CN209199797U - Novel frame-type electromagnetic switch - Google Patents

Abstract

The utility model relates to a kind of novel frame-type electromagnetic switch, including frame shell and circuit board, the top of the frame shell is fixed with the circuit box for placing circuit board, the fixation kit for being internally provided with fixing circuit board of the circuit box.The utility model has the effect of protecting fixed control circuit board.

Description

Novel frame-type electromagnetic switch

Technical field

The utility model relates to the technical fields of electromagnetic switch, more particularly, to a kind of novel frame-type electromagnetic switch.

Background technique

Electromagnetic switch, as the term suggests it is exactly with the switch of magnet control, that is, the combination of electromagnet and switch.When Electromagnetic attraction is generated after electromagnet coil power, movable core pushes and pulls switch contact closure, to connect institute's control circuit. Electromagnetic switch is widely used in every profession and trade, most commonly the contactor of industrial circle.

The electromagnetic switch of frame-type is one of common electromagnetic switch, is had a wide range of applications in the industry, a kind of common Electromagnetism frame-type electromagnetic switch, including frame shell, coil and sliding iron core, sliding iron core be located at coil centre electricity Among the box of road, sliding mandrel bottom has spring, can be by sliding iron core support pop-up.After coil is powered, sliding iron core is just Magnetism can be generated, then will generate attraction to frame case, by spring-compressed, iron core is slided and retracts.

The electromagnetic switch of frame-type is controlled usually using circuit board, but circuit board is more fragile, and installation, which is placed, to be got up to hold Cracky.

Utility model content

The purpose of the utility model is to provide a kind of novel frame-type electromagnetic switch, have the effect of protection fixing circuit board Fruit.

The purpose of this utility model has the technical scheme that a kind of novel frame-type electromagnetic switch, Including frame shell and circuit board, the top of the frame shell is fixed with the circuit box for placing circuit board, the circuit box It is internally provided with the fixation kit of fixing circuit board.

By using above-mentioned technical proposal, circuit board is placed among circuit box, is consolidated circuit board using fixation kit It sets, circuit box can accomplish circuit board that fixation is effectively protected.

The utility model is further arranged to: being provided with a pair of first in parallel on the opposite inner wall of the circuit box and is slided Slot, the circuit board are plugged among first sliding groove.

By using above-mentioned technical proposal, among the two sides insertion first sliding groove of circuit board, sliding slot can be by circuit board It is limited among first sliding groove, operates more convenient.

The utility model is further arranged to: the circuit box side wall opens wide, and is fixed on the inner wall of the opposite other side Front end has the connection strap of convex block, and the connection strap is parallel with first sliding groove lower wall；Circuit box above the connection strap it is upper Dismounting hole is provided on wall, one end of the circuit board is provided with connecting hole, when among circuit board insertion first sliding groove, convex block It falls among connecting hole.

By using above-mentioned technical proposal, by being used cooperatively for first sliding groove and connection strap, can with it is more convenient securely Circuit board is fixed among circuit box.But when needing to remove, tool will be used to put in pressing connection among dismounting hole The convex block of item, circuit board is extracted out, and disassembly circuit board is also more convenient.

The utility model is further arranged to: the frame case includes that flute profile first assembly and both sides have the first protrusion Second component, the upper end of the side wall of the first assembly are provided with the groove for adapting to the first protrusion.

It, can be by first assembly and the second component by the linking of the first protrusion and groove by using above-mentioned technical proposal It is combined into a frame case, is assembled more convenient.

The utility model is further arranged to: the iron of multiple the second protrusions of band is arranged in described reeded one end of first assembly Piece, the second protrusion direction same direction parallel with first assembly side wall.

, can be by electromagnetic switch locking equipment by iron plate by using above-mentioned technical proposal, and iron can be passed through Piece horizontally slips in equipment.

The utility model is further arranged to: it is relatively set with second sliding slot on the first assembly side wall, described second Slide-insert is slidably connected among sliding slot.

By using above-mentioned technical proposal, slide-insert can be slided along second sliding slot, plug-in unit can be inserted downwards Enter to connect in equipment, electromagnetic switch can be fixed in equipment by cooperation second sliding slot, can not be slided.

In conclusion the advantageous effects of the utility model are as follows:

1. having the effect of protecting fixing circuit board；

2. the first sliding groove and connection strap of circuit box can be convenient the dismounting of circuit board；

3. novel frame-type electromagnetic switch can be fixed in connection equipment by the combination of iron plate and plug-in unit.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of frame case；

Fig. 3 is the structural schematic diagram of slide-insert；

Fig. 4 is the structural schematic diagram of circuit box；

Fig. 5 is the structural schematic diagram of circuit board insertion circuit box；

Fig. 6 is the structural schematic diagram of coil；

Fig. 7 is the structural schematic diagram for sliding iron core；

Fig. 8 is the cross-sectional view for sliding iron core；

Fig. 9 is the enlarged diagram of A in Fig. 8.

In figure, 1, frame case；11, circuit box；111, connection strap；112, convex block；113, hole is dismounted；114, first is sliding Slot；115, fixing pluge；116, fixation wall；12, first assembly；121, groove；122, second sliding slot；123, the first fixation hole； 124, slide-insert；125, inserted sheet；126, third protrusion；127, fixed slot；13, the second component；131, the first protrusion；132, Second fixation hole；14, iron plate；141, the second protrusion；2, iron core is slided；21, connecting rod；22, bourdon tube；221, stop block；23, bullet Spring；3, coil；31, copper wire；32, supporting element；321, cavity；322, bayonet；323, through-hole；33, conducting wire；4, circuit board；41, even Connect hole.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment: being a kind of novel frame-type electromagnetic switch disclosed by the utility model, including frame case referring to Fig.1 1, the coil 3 being fixed on inside frame case 1 and the sliding iron core 2 positioned at 3 cavity 321 of coil.

Referring to Fig. 2, frame case 1 includes the second component 13 that there is the first protrusion 131 on flute profile first assembly 12 and both sides, the The upper end of the side wall of one component 12 is provided with the groove 121 for adapting to the first protrusion 131.By 13 groups of first assembly 12 and the second component Altogether, the first protrusion 131 is connected on groove 121.Is provided on the middle position of the top-side of first assembly 12 One fixation hole 123, the center of the second component are provided with the second fixation hole 132 being relatively large in diameter, when first assembly 12 and When two 13 groups of components are combined into an entirety, the first fixation hole 123 and the second fixation hole 132 are in concentric position.

Referring to Fig. 2 and Fig. 3, the iron plate 14 of 4 the second protrusions of band 141, iron is arranged in one end of first assembly 12 fluted 121 Piece 14 is located on four angles of 12 lower end of first assembly.Second protrusion, 141 direction is parallel with 12 side wall of first assembly.First assembly It is relatively set with second sliding slot 122 on 12 side walls, slide-insert 124 is slidably connected among second sliding slot 122.Slide-insert 124 two sides are provided with third protrusion 126, and third protrusion 126 is slidably connected among second sliding slot 122, under slide-insert 124 There is inserted sheet 125 in side.Electromagnetic switch can be articulated in equipment by iron plate 14, and can be left in equipment by iron plate 14 Inserted sheet 125 is plugged in equipment by right sliding by 124 slide downward of slide-insert, passes through slide-insert 124 and iron plate 14 Novel frame-type electromagnetic switch can be fixed in equipment by combination.

Referring to Fig. 4 and Fig. 5, the top of frame case 1 is fixed with the circuit box 11 for placing circuit board 4.The phase of circuit box 11 Pair inner wall on be provided with a pair of parallel first sliding groove 114, circuit board 4 is plugged among first sliding groove 114.11 side of circuit box Wall opens wide, and the connection strap 111 that front end has convex block 112 is fixed on the inner wall of the opposite other side, and connection strap 111 and first are slided 114 lower wall of slot is parallel；It is provided with dismounting hole 113 on the upper wall of the circuit box 11 of 111 top of connection strap, one end of circuit board 4 is set It is equipped with connecting hole 41, when circuit board 4 is inserted among first sliding groove 114, convex block 112 is fallen among connecting hole 41.Circuit box 11 Two side walls with first sliding groove 114 have the fixation wall 116 of downward extension, and the lower end of fixation wall 116 is provided with fixed insert Part 115, when circuit box 11 is mounted on the top of frame case 1, fixation wall 116 is fitted on the outer wall of frame case 1, fixed The insertion of plug-in unit 115 is located among the fixed slot 127 of side of 12 side wall of first assembly far from second sliding slot 122 (such as Fig. 1).

Referring to Fig. 6 and Fig. 8, copper of the coil 3 including supporting element 32, the surface insulation for the outside winding for being wrapped in supporting element 32 Silk 31 and the conducting wire 33 being connected with copper wire 31.Supporting element 32 is cylinder, and the lower part of inside cavity 321, cavity 321 is spacious It opens, is blocked at the top of cavity 321, top center position is provided through the through-hole 323 at top.The lower part of cavity 321 is provided with card Mouth 322.Conducting wire 33 is connected to copper wire 31, and copper wire 31 is wrapped on the outer wall of supporting element 32.Coil 3 be fixed on frame case 1 it When middle, the through-hole 323 and the first fixation hole 123 at 321 top of cavity are affixed and are in concentric position, and the lower part of supporting element 32 is solid It is scheduled on the outer wall of the second fixation hole 132.

Referring to Fig. 7 and Fig. 8, the structure of sliding iron core 2 includes connecting rod 21, the spring for being fixedly attached to 21 one end of connecting rod Pipe 22 and the spring 23 for covering in connecting rod 21 and being located among bourdon tube 22.Bourdon tube 22 is cylindrical shape, and bottom blocks, even Extension bar 21 passes through the bottom of bourdon tube 22 and is fixed in the above.The lower part of bourdon tube 22 is provided with stop block 221, when sliding iron core 2 when being mounted among the cavity 321 of supporting element 32, and stop block 221 is located among cavity 321, open by the lower part for being located at cavity 321 On the limitation of bayonet 322 can not deviate from (such as Fig. 9).Connecting rod 21 passes through through-hole 323 far from one end of bourdon tube 22 and reaches Except cavity 321.One end of spring 23 is scheduled on the outer wall of through-hole 323, and the lower part that the other end withstands on bourdon tube 22 blocks.Cause This, sliding iron core 2 can be slided by the resilient support of spring 23 among cavity 321.

The implementation principle of the present embodiment are as follows: the circuit board 4 for controlling novel frame-type electromagnetic switch is connected and needs to connect Conducting wire 33 and other pilots after, circuit board 4 is fixed among circuit box 11.Utilize slide-insert 124 and iron plate Novel frame-type electromagnetic switch is fixed on suitable position by 14 combination.After circuit is connected, novel frame-type electromagnetism is opened It closes and starts to work.

When the damage of circuit board 4 needs replacing, pressing connection strap 111 is put among dismounting hole 113 using tool Convex block 112 extracts circuit board 4 out, and after new circuit board 4 is installed, novel frame-type electromagnetic switch can be subnormal again Work.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (6)

1. a kind of novel frame-type electromagnetic switch, including frame case (1) and circuit board (4), it is characterised in that: the frame shell The top of body (1) is fixed with the circuit box (11) for placing circuit board (4), and the circuit box (11) is internally provided with fixed circuit The fixation kit of plate (4).

2. novel frame-type electromagnetic switch according to claim 1, it is characterised in that: the fixation kit is to be arranged in electricity A pair of parallel first sliding groove (114) on the opposite inner wall of road box (11), the circuit board (4) are plugged on first sliding groove (114) among.

3. novel frame-type electromagnetic switch according to claim 2, it is characterised in that: circuit box (11) side wall is spacious Open, be fixed on the inner wall of the opposite other side front end have convex block (112) connection strap (111), the connection strap (111) with First sliding groove (114) lower wall is parallel；Dismounting hole is provided on the upper wall of circuit box (11) above the connection strap (111) (113), one end of the circuit board (4) is provided with connecting hole (41), when among circuit board (4) insertion first sliding groove (114), Convex block (112) is fallen among connecting hole (41).

4. novel frame-type electromagnetic switch according to claim 1, it is characterised in that: the frame case includes flute profile There is the second component (13) of first raised (131) on one component (12) and both sides, and the upper end of the side wall of the first assembly (12) is set It is equipped with the groove (121) for adapting to first raised (131).

5. novel frame-type electromagnetic switch according to claim 4, it is characterised in that: the first assembly (12) is fluted (121) iron plate (14) of multiple bands second raised (141), described second raised (141) direction and first assembly is arranged in one end (12) the parallel same direction of side wall.

6. novel frame-type electromagnetic switch according to claim 5, it is characterised in that: on first assembly (12) side wall It is relatively set with second sliding slot (122), slidably connects slide-insert (124) among the second sliding slot (122).