CN205828281U

CN205828281U - Catalyst

Info

Publication number: CN205828281U
Application number: CN201620720187.7U
Authority: CN
Inventors: 卢晶; 郑乾俊; 徐平; 张志文; 肖体锋
Original assignee: Zhejiang Chint Electrics Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd
Priority date: 2016-07-08
Filing date: 2016-07-08
Publication date: 2016-12-21
Anticipated expiration: 2026-07-08

Abstract

Catalyst includes pedestal, described pedestal is that two ends set ledge structure jaggy, including first step from bottom to top and second step, the lid of mating shapes it is coated with on described ledge structure, the two ends of first step protrude from the part of second step and all offer the first mounting groove, it is mounted on control terminal separately and power supply terminal in each first mounting groove, and on lid, offer first connection jaws corresponding with control terminal and second connection jaws corresponding with power supply terminal, the two ends of described second step all offer the second mounting groove for installing auxiliary terminal, and on lid, offer the 3rd connection jaws, corresponding with the auxiliary terminal being arranged in the second mounting groove.This utility model provides a kind of simple in construction, wire area to distinguish obvious catalyst.

Description

Catalyst

Technical field

This utility model relates to Low Voltage Electrical Apparatus, is specifically related to a kind of catalyst.

Background technology

In prior art, auxiliary terminal and the control terminal of major part catalyst often as plane, substantial amounts of waiting Wire usually allows the relations of distribution between user's connection terminal corresponding with catalyst to single wire produce to obscure.Additionally because of many Planting reason (controlling layout improvement, pilot damage etc.), user needs in the case of connecting major loop, to controlling loop Carrying out circuit dismounting, owing to existing catalyst general control loop is positioned at the lower section of major loop, acceptor's return wire affects, user Inconvenience is directly controlled loop dismounting, needs to pull down major loop wire, then is controlled loop dismounting, is inconvenient for.Additionally, User's if desired more auxiliary contact quantity carries out logic control, then need to buy adnexa and be extended on the contactor installing, And adnexa mates with catalyst and there is the bad risk of coupling (install not in place, structure is incorrect), affect accessory module auxiliary Contact is helped to connect the reliability with disjunction.

Utility model content

The purpose of this utility model is to overcome the defect of prior art, it is provided that a kind of simple in construction, wire area are distinguished Significantly catalyst.

For achieving the above object, this utility model adopts the technical scheme that

A kind of catalyst, including pedestal 2, described pedestal 2 sets ledge structure jaggy for two ends, including from bottom to top First step 201 and second step 202, described ledge structure is coated with the lid 3 of mating shapes, first step 201 Two ends protrude from the part of second step 202 and all offer the first mounting groove, are mounted on separately in each first mounting groove Control terminal 21 and power supply terminal 22, and lid 3 on offer first connection jaws 31 corresponding with control terminal 21 and with Second connection jaws 32 of power supply terminal 22 correspondence, the two ends of described second step 202 all offer for installing auxiliary terminal 23 The second mounting groove, and on lid 3, offer the 3rd connection jaws 33, relative with the auxiliary terminal 23 being arranged in the second mounting groove Should.

Preferably, described first connection jaws 31 and the second connection jaws 32 are all along the side of the end face being perpendicular to first step 201 To being arranged on lid 3；Described 3rd connection jaws 33 is arranged on lid 3 along the direction of the end face being perpendicular to second step 202.

Preferably, described control terminal 21 and power supply terminal 22 do not line up setting so that be positioned at first step 201 two ends Control terminal 21 is relative to being positioned at the power supply terminal 22 middle part closer or far from first step 201 of same one end, and corresponding controls The second connection jaws 32 that the first connection jaws 31 that terminal 21 is arranged and corresponding power terminal 22 are arranged does not lines up setting yet.

Preferably, the middle part of described first step 201 is provided with fitting recess, is provided with contact and supports 24 in fitting recess, institute Stating contact support 24 and protrude from the end face of first step 201, described second step 202 is splicing structure, including sliceable One assembled block 204 and the second assembled block 205, the described first assembled block 204 and the second assembled block 205 are arranged on first step 201 Go up and lay respectively at contact and support the both sides of 24, and support 24 clampings respectively with contact.

Preferably, the described first assembled block 204 and the second assembled block 205 are being equipped with on the contact surface of contact support 24 Vertical limit rib 202a, the both sides of described contact support 24 are equipped with the limited impression 24a coordinated with limit rib 202a.

Preferably, the middle part of described first step 201 extends shape towards the first assembled block 204 and the second assembled block 205 respectively Become to be positioned at contact and support that the positioning bar 201a of 24 both sides, the described first assembled block 204 and the second assembled block 205 are equipped with and position The locating slot 202b that muscle 201a coordinates, during installation, the first assembled block 204 and the second assembled block 205 are respectively by location thereon Groove 202b supports 24 propellings along positioning bar 201a to contact, and final location and installation is on first step 201.

Preferably, the both sides of the described first assembled block 204 are provided with the fixed lobe for fixing the second assembled block 205 204a, the both sides of the described second assembled block 205 extend towards the first assembled block 204 and form two fixed arm 205a, two fixed arms The sizableness of the spacing of 205a and the first assembled block 204, and fixed arm 205a is provided with and the fixing hole of fixed lobe 204a 205b, during installation, the second assembled block 205 advances towards the assembled block 204 of first be arranged on first step 201 so that first spells Dress block 204 snaps between two fixed arm 205a, and realizes the first assembly in snapping in fixing hole 205b by fixed lobe 204a Block 204 and the fixing connection of the second assembled block 205.

Preferably, one end of described control terminal 21 electrically connects with the coil 12 in base 1 in being plugged on pedestal 2, described Match with the first moving contact 241 in the contact support 24 in pedestal 2 in being plugged on pedestal 2 in one end of power supply terminal 22, institute State one end of auxiliary terminal 23 to be plugged in pedestal 2 and match with the second moving contact 242 in the contact support 24 in pedestal 2 Closing, the other end of described control terminal 21, power supply terminal 22 and auxiliary terminal 23 is used to access outer lead.

Preferably, described control terminal 21, power supply terminal 22 and auxiliary terminal 23 all include conducting strip and flexure strip, conduction One end of sheet is plugged in pedestal 2, and the other end is vertically arranged to be coordinated with flexure strip, is used for accessing outer lead, described control end The inserted terminal of the conducting strip of son 21 is vertically arranged, and the inserted terminal of the conducting strip of power supply terminal 22 is in being horizontally disposed with, and which is provided with The first stationary contact 220 coordinated with the first moving contact 241, the inserted terminal of the conducting strip of auxiliary terminal 23 in being horizontally disposed with, and its It is provided with the second stationary contact 230 coordinated with the second moving contact 242；One end of described flexure strip is provided with and is fixedly connected on conducting strip On fixing end, the other end is provided with moveable end, and the movable end of described flexure strip is provided with through hole, described movable end lead to Cross through hole thereon to be sleeved on the end that conducting strip coordinates with flexure strip, the two side of conducting strip end respectively with the two of through hole Sidewall forms wiring gap and free gap, in the wiring gap that external wire is connected between movable end and conducting strip.

Preferably, also include that base 1, the base plate corner of described base 1 are provided with screw hole 14, for being installed to by catalyst Making use, be provided with yoke 11 and coil 12 in base 1, described pedestal 2 stacking is arranged on base 1, and the sidewall of base 1 sets There is the buckle 13 for fixed pedestal 2, the sidewall of the first step 201 of pedestal 2 offers the hole clipping coordinated with buckle 13 201c；Be provided with in pedestal 2 contact support 24, described contact support 24 is provided with can control close relevant to power supply terminal 22 The first moving contact 241 of circuit and can control to close the second moving contact 242 of the circuit relevant to auxiliary terminal 23, second Moving contact 241 is positioned at the top of the first moving contact 242.

Catalyst of the present utility model, by being arranged on step by power supply terminal and control terminal and auxiliary terminal layering On pedestal, it is achieved power supply terminal and control terminal are positioned on same layer step that auxiliary terminal is positioned on its upper strata step, structure Simply so that wire area is distinguished substantially, the wiring of control terminal and auxiliary terminal, convenient knowledge are not affected after power supply terminal wiring Not and wiring；In the case of product width does not increases, adding the auxiliary contact quantity that product ontology carries, user is without volume Outer installation adnexa of buying is extended auxiliary contact, improves the cost performance of product, and the auxiliary simultaneously using product ontology to carry is touched Head replaces installs adnexa extension auxiliary contact, it is to avoid adnexa and the insecure risk of catalyst body fits, improves auxiliary contact Connect and the reliability of disjunction.

Accompanying drawing explanation

Fig. 1 is the structural representation of catalyst of the present utility model；

Fig. 2 is the structural representation of lid of the present utility model；

Fig. 3 is the exploded view of pedestal of the present utility model；

Fig. 4 is the side view that contact of the present utility model is supported；

Fig. 5 is the exploded view of catalyst of the present utility model；

Fig. 6 is the structural representation of control terminal of the present utility model；

Fig. 7 is the structural representation of power supply terminal of the present utility model；

Fig. 8 is the structural representation of an embodiment of auxiliary terminal of the present utility model；

Fig. 9 is the structural representation of another embodiment of auxiliary terminal of the present utility model.

Detailed description of the invention

The embodiment be given below in conjunction with accompanying drawing 1 to 9, further illustrates the specific embodiment party of catalyst of the present utility model Formula.Catalyst of the present utility model is not limited to the following description.

As depicted in figs. 1 and 2, catalyst of the present utility model includes that pedestal 2, pedestal 2 set step jaggy for two ends Structure, including first step 201 from bottom to top and second step 202, described ledge structure is coated with mating shapes Lid 3, the two ends of first step 201 protrude from the part of second step 202 and all offer the first mounting groove, and each first installs It is mounted on offering on control terminal 21 separately and power supply terminal 22, and lid 3 corresponding with control terminal 21 in groove First connection jaws 31 and second connection jaws 32 corresponding with power supply terminal 22, the two ends of second step 202 all offer for Second mounting groove of auxiliary terminal 23 is installed, and on lid 3, offers the 3rd connection jaws 33, and be arranged in the second mounting groove Auxiliary terminal 23 is corresponding.Base and cover body can be integral structure can also be dismountable split-type structural.By inciting somebody to action Power supply terminal and control terminal and auxiliary terminal layering are arranged on step pedestal, it is achieved power supply terminal and control terminal are positioned at On same layer step, auxiliary terminal is positioned on its upper strata step, simple in construction so that wire area is distinguished substantially, power supply terminal The wiring of control terminal and auxiliary terminal, convenient identification and wiring is not affected after wiring；In the case of product width does not increases, Adding the auxiliary contact quantity that product ontology carries, user is extended auxiliary contact without extra installation adnexa of buying, and carries The cost performance of high product, the auxiliary contact simultaneously using product ontology to carry replaces installs adnexa extension auxiliary contact, it is to avoid attached Part and the insecure risk of catalyst body fits, improve auxiliary contact and connect and the reliability of disjunction.It is of course also possible to by electricity Source terminal, control terminal and auxiliary terminal are separately positioned on three grades of steps of pedestal so that control terminal is positioned at power supply terminal Top, and auxiliary terminal is positioned at the top of control terminal.Compared to this, the structure of the present embodiment is simpler, more compact rationally.

Specifically, a control terminal 21 separately and three power supply terminals are installed in each first mounting groove the most successively 22, between control terminal 21 and power supply terminal 22 and power supply terminal 22 and power supply terminal 22, it is equipped with use in the first mounting groove The first insulation barrier 201b in interval；Four auxiliary terminals 23 separately it are mounted in each second mounting groove, second Between auxiliary terminal 23, the second insulation barrier 202c for interval it is provided with in mounting groove.Mounting groove is divided into by insulation barrier Multiple independent sulculuses so that each terminal is independently mounted in sulculus, mutually non-interference.Additionally, the first connection jaws 31 and Two connection jaws 32 are all arranged on lid 3 along the direction of the end face being perpendicular to first step 201；3rd connection jaws 33 is along being perpendicular to The direction of the end face of second step 202 is arranged on lid 3.When catalyst is installed, the base through screws of catalyst or guide rail Being fixed on and make use, the bottom surface of base is that vertical state is fitted in and makes in use so that the end face user oriented of pedestal, connection jaws Direction of offering be perpendicular to the end face of pedestal so that connection jaws is also facing user, it is simple to identify and wiring.And, control terminal 21 and power supply terminal 22 do not line up setting so that be positioned at the control terminal 21 at first step 201 two ends relative to being positioned at same one end Power supply terminal 22 closer or far from the middle part of first step 201, and the first connection jaws 31 of arranging of corresponding control terminal 21 with The second connection jaws 32 that corresponding power terminal 22 is arranged does not lines up setting yet.The most right by will be located in two kinds of terminals of same stratum Neat setting so that two kinds of terminals visually have to be distinguished intuitively, it is to avoid the situation of wrong occurs obscuring in terminal block, and raising connects The convenience of line and accuracy.The mark distinguishing the first and second connection jaws can also be provided with on lid.

As shown in Figure 3 and Figure 4, the splicing structure of pedestal of the present utility model, the middle part of the first step 201 of integral type sets Having fitting recess, be provided with contact and support 24 in fitting recess, contact support 24 protrudes from the end face of first step 201, second step 202 is splicing structure, and including the sliceable first assembled block 204 and the second assembled block 205, the first assembled block 204 and second is spelled Dress block 205 is arranged on first step 201 and lays respectively at contact and supports the both sides of 24, and supports 24 clampings respectively with contact. First assembled block 204 and the second assembled block 205 are being equipped with vertical limit rib 202a on the contact surface of contact support 24, use Support the action of 24 in spacing and guidance contacts, the both sides of described contact support 24 are equipped with spacing with what limit rib 202a coordinated Groove 24a.Limit rib and the setting of limited impression, play spacing and guide effect so that be clamped in two assembled blocks it Between contact support can only move up and down along limit rib, improve the reliability of contact support action and accuracy.Further, The middle part of one step 201 is positioned at contact supports 24 both sides towards the first assembled block 204 and the second assembled block 205 extension formation respectively Positioning bar 201a, the described first assembled block 204 and the second assembled block 205 are equipped with the locating slot coordinated with positioning bar 201a 202b, during installation, the first assembled block 204 and the second assembled block 205 respectively by locating slot 202b thereon along positioning bar 201a Supporting 24 propellings to contact, final location and installation is on first step 201.Positioning and fixing structure is simple and reliable, it is simple to first And the second assembled block location on first step and guide the assembly between them, improve efficiency of assembling and convenience.And And, the both sides of the first assembled block 204 are provided with the fixed lobe 204a for fixing the second assembled block 205, the described second assembled block The both sides of 205 extend towards the first assembled block 204 and form two fixed arm 205a, and the spacing of two fixed arm 205a is assembled with first The sizableness of block 204, and fixed arm 205a is provided with the fixing hole 205b with fixed lobe 204a, during installation, second is assembled Block 205 advances towards the assembled block 204 of first be arranged on first step 201 so that the first assembled block 204 snaps in two fixed arms Between 205a, and realize the first assembled block 204 and the second assembled block 205 in snapping in fixing hole 205b by fixed lobe 204a Fixing connection.Assembled fixed structure is simple and firm, improves efficiency and the reliability of assembling.It addition, contact support 24 passes The through hole 34 of lid 3 is formed and passes part, and the first assembled block 204 and the second assembled block 205 extend formation the most upward through logical Hole 34 forms the extension passing part both sides being positioned at contact support 24, passing partly with first of described contact support 24 The extension of assembled block 204 and the second assembled block 205 constitutes the 3rd step 203, for installing the auxiliary device of catalyst, as Supplementary module, intervalometer block or communication module.

As it is shown in figure 5, catalyst of the present utility model also includes base 1, the base plate corner of base 1 is provided with screw hole 14, For catalyst is installed to make use, being provided with yoke 11 and coil 12 in base 1, pedestal 2 stacking is arranged on base 1, The sidewall of base 1 is provided with the buckle 13 for fixed pedestal 2, and the sidewall of the first step 201 of pedestal 2 offers and buckle 13 hole clippings 201c coordinated；Contact is installed in pedestal 2 and supports 24, contact support 24 is provided with and can control Guan Bi and power end First moving contact 241 of the circuit that son 22 is relevant and can control to close the second moving contact of the circuit relevant to auxiliary terminal 23 242, the second moving contact 241 is positioned at the top of the first moving contact 242.

The structure of control terminal of the present utility model, power supply terminal and auxiliary terminal, one end of control terminal 21 is plugged on Electrically connecting with the coil 12 in base 1 in pedestal 2, one end of power supply terminal 22 is propped up with the contact in pedestal 2 in being plugged on pedestal 2 The first moving contact 241 held on 24 matches, and can control to close the circuit relevant to power supply terminal 22, one end of auxiliary terminal 23 It is plugged in pedestal 2 and matches with the second moving contact 242 in the contact support 24 in pedestal 2, Guan Bi and auxiliary can be controlled The relevant circuit of terminal 23, the other end of control terminal 21, power supply terminal 22 and auxiliary terminal 23 is used to access outer lead.

As shown in Figure 6, control terminal 21 of the present utility model, including the first conducting strip 211 and the first flexure strip 212, the One end of one conducting strip 211 is plugged in pedestal 2, and the other end is vertically arranged to be coordinated with the first flexure strip 212, is used for accessing outside Wire, the inserted terminal of control terminal 21 first conducting strip 211 is vertically arranged.One end of first flexure strip 212 is provided with fixing connection On the first conducting strip 211 first fixing end 212a, the other end is provided with moveable first movable end 212b, the first flexure strip The first movable end 212b of 212 is provided with through hole, and the first movable end 212b is sleeved on the first conducting strip 211 by through hole thereon On the end coordinated with the first flexure strip 212, the two side of the first conducting strip 211 end forms the respectively with the two side of through hole One wiring gap 213 and the first free gap 214, external wire is connected to the first movable end 212b and the first conducting strip 211 Between the first wiring gap 213 in.Control terminal has resilient wiring construction and plug-in type mounting structure, wiring and assembling Simple and convenient, improve efficiency and convenience.

As it is shown in fig. 7, power supply terminal 22 of the present utility model, including the second conducting strip 221 and the second flexure strip 222, the One end of two conducting strips 221 is plugged in pedestal 2, and the other end is vertically arranged to be coordinated with the second flexure strip 222, is used for accessing outside Wire, the inserted terminal of the second conducting strip 221 of power supply terminal 22 is in being horizontally disposed with, and which is provided with and join with the first moving contact 241 The first stationary contact 220 closed.One end of second flexure strip 222 is provided with second be fixedly connected on the second conducting strip 221 and fixes End 222a, the other end is provided with moveable second movable end 222b, and the second movable end 222b of the second flexure strip 222 is provided with logical Hole, the second movable end 222b is sleeved on, by through hole thereon, the end that the second conducting strip 221 coordinates with the second flexure strip 222 On, the two side of the second conducting strip 221 end is formed between the second wiring gap 223 and the second activity with the two side of through hole respectively Gap 224, external wire is connected in the second wiring gap 223 between the second movable end 222b and the second conducting strip 221.Electricity It is simple and convenient that source terminal has resilient wiring construction and plug-in type mounting structure, wiring and assembling, improves efficiency and convenience. The inserted terminal of the second conducting strip 221 is stepped plate structure, and the inserted terminal of the second conducting strip 221 is provided with the first stationary contact on end face The part of 220 is higher than its part being connected with terminals.Stepped structure so that being more firmly mounted of power supply terminal.

As shown in Figure 8 and Figure 9, auxiliary terminal 23 of the present utility model, including the 3rd conducting strip 231 and the 3rd flexure strip 232, one end of the 3rd conducting strip 231 is plugged in pedestal 2, and the other end is vertically arranged to be coordinated with the 3rd flexure strip 232, is used for connecing Entering outer lead, the inserted terminal of the 3rd conducting strip 231 of auxiliary terminal 23 is in being horizontally disposed with, and which is provided with and the second moving contact 242 the second stationary contacts 230 coordinated.One end of 3rd flexure strip 232 is provided with the 3rd be fixedly connected on the 3rd conducting strip 231 Fixing end 232a, the other end is provided with moveable 3rd movable end 232b, and the 3rd movable end 232b of the 3rd flexure strip 232 is arranged Having through hole, the 3rd movable end 232b is sleeved on, by through hole thereon, the end that the 3rd conducting strip 231 coordinates with the 3rd flexure strip 232 In portion, it is movable that the two side of the 3rd conducting strip 231 end forms the 3rd wiring gap 233 and the 3rd respectively with the two side of through hole Gap 234, external wire is connected in the 3rd wiring gap 233 between the 3rd movable end 232b and the 3rd conducting strip 231. It is simple and convenient that auxiliary terminal has resilient wiring construction and plug-in type mounting structure, wiring and assembling, improves efficiency and convenient Property.As shown in Figure 8, an embodiment of auxiliary terminal, the inserted terminal of the 3rd conducting strip 231 of auxiliary terminal 23 is that ladder hardens Structure, the inserted terminal of the 3rd conducting strip 231 is provided with the part of the second stationary contact 230 higher than its portion being connected with terminals on bottom surface Point.Stepped structure so that being more firmly mounted of auxiliary terminal.As it is shown in figure 9, another embodiment of auxiliary terminal, The inserted terminal of the 3rd conducting strip 231 of auxiliary terminal 23 is slab construction, and the end face of this slab construction is provided with the second stationary contact Point 230.Flat structure so that the mounting structure of auxiliary terminal is simple.

Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to Assert that of the present utility model being embodied as is confined to these explanations.Ordinary skill for this utility model art For personnel, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should regard For belonging to protection domain of the present utility model.

Claims

1. a catalyst, including pedestal (2), it is characterised in that: described pedestal (2) is that two ends set ledge structure jaggy, Including first step (201) from bottom to top and second step (202), described ledge structure is coated with the lid of mating shapes Body (3), the two ends of first step (201) protrude from the part of second step (202) and all offer the first mounting groove, and each first It is mounted in mounting groove on control terminal (21) separately and power supply terminal (22), and lid (3) offering and controls end First connection jaws (31) of son (21) correspondence and second connection jaws (32) corresponding with power supply terminal (22), described second step (202) two ends all offer the second mounting groove for installing auxiliary terminal (23), and offer the 3rd wiring on lid (3) Mouth (33), corresponding with the auxiliary terminal (23) being arranged in the second mounting groove.

Catalyst the most according to claim 1, it is characterised in that: described first connection jaws (31) and the second connection jaws (32) All directions along the end face being perpendicular to first step (201) are arranged on lid (3)；Described 3rd connection jaws (33) is along being perpendicular to The direction of the end face of second step (202) is arranged on lid (3).

Catalyst the most according to claim 1, it is characterised in that: described control terminal (21) and power supply terminal (22) are the most right Neat setting so that be positioned at the control terminal (21) at first step (201) two ends relative to the power supply terminal (22) being positioned at same one end Closer or far from the middle part of first step (201), and the first connection jaws (31) that corresponding control terminal (21) is arranged is electric with corresponding The second connection jaws (32) that source terminal (22) is arranged does not lines up setting yet.

Catalyst the most according to claim 1, it is characterised in that: the middle part of described first step (201) is provided with assembling Groove, is provided with contact support (24) in fitting recess, described contact support (24) protrudes from the end face of first step (201), described Second step (202) is splicing structure, including the sliceable first assembled block (204) and the second assembly block (205), and described first Assembled block (204) and the second assembled block (205) are arranged on first step (201) and above and lay respectively at the two of contact support (24) Side, and respectively with contact support (24) clamping.

Catalyst the most according to claim 4, it is characterised in that: the described first assembled block (204) and the second assembled block (205) it is being equipped with vertical limit rib (202a), the two of described contact support (24) on the contact surface of contact support (24) Side is equipped with the limited impression (24a) coordinated with limit rib (202a).

Catalyst the most according to claim 4, it is characterised in that: the middle part of described first step (201) is respectively towards first Assembled block (204) and the second assembled block (205) extension formation are positioned at the positioning bar (201a) of contact support (24) both sides, and described the One assembled block (204) and the second assembled block (205) are equipped with the locating slot (202b) coordinated with positioning bar (201a), during installation, First assembled block (204) and the second assembled block (205) pass through locating slot thereon (202b) along positioning bar (201a) respectively to touching Head supports that (24) advance, and final location and installation is on first step (201).

Catalyst the most according to claim 4, it is characterised in that: the both sides of described first assembled block (204) be provided with for Fixing the fixed lobe (204a) of the second assembled block (205), the both sides of the described second assembled block (205) are towards the first assembled block (204) extend formed two fixed arms (205a), the spacing of two fixed arms (205a) with first assembly block (204) size phase When, and fixed arm (205a) is provided with and the fixing hole (205b) of fixed lobe (204a), and during installation, the second assembled block (205) Advance towards the assembled block (204) of first be arranged on first step (201) so that the first assembled block (204) snaps in two and fixes Between arm (205a), and pass through in fixed lobe (204a) snaps in fixing hole (205b), to realize the first assembled block (204) and second The fixing connection of assembled block (205).

Catalyst the most according to claim 1, it is characterised in that: one end of described control terminal (21) is plugged on pedestal (2) electrically connecting with the coil (12) in base (1) in, one end of described power supply terminal (22) is plugged on that pedestal (2) is interior and pedestal (2) the first moving contact (241) in contact support (24) in matches, and one end of described auxiliary terminal (23) is plugged at base Match with the second moving contact (242) in the contact support (24) in pedestal (2) in seat (2), described control terminal (21), electricity The other end of source terminal (22) and auxiliary terminal (23) is used to access outer lead.

Catalyst the most according to claim 8, it is characterised in that: described control terminal (21), power supply terminal (22) and auxiliary Helping terminal (23) all to include conducting strip and flexure strip, in one end of conducting strip is plugged on pedestal (2), the other end is vertically arranged and bullet Property sheet coordinate, be used for accessing outer lead, the inserted terminal of the conducting strip of described control terminal (21) is vertically arranged, power supply terminal (22) inserted terminal of conducting strip is in being horizontally disposed with, and which is provided with the first stationary contact coordinated with the first moving contact (241) (220), the inserted terminal of the conducting strip of auxiliary terminal (23) is in being horizontally disposed with, and which is provided with and coordinate with the second moving contact (242) The second stationary contact (230)；One end of described flexure strip is provided with the fixing end being fixedly connected on conducting strip, and the other end is provided with can The movable end of movement, the movable end of described flexure strip is provided with through hole, and described movable end is sleeved on conduction by through hole thereon On the end that sheet coordinates with flexure strip, the two side of conducting strip end forms wiring gap and activity with the two side of through hole respectively Gap, in the wiring gap that external wire is connected between movable end and conducting strip.

Catalyst the most according to claim 1, it is characterised in that: also include that base (1), base are provided with yoke in (1) (11) and coil (12), described pedestal (2) stacking is arranged on base (1), and the sidewall of base (1) is provided with for fixed pedestal (2) buckle (13), the sidewall of the first step (201) of pedestal (2) offers the hole clipping (201c) coordinated with buckle (13)； Contact support (24) is installed in pedestal (2), described contact support (24) is provided with and can control Guan Bi and power supply terminal (22) First moving contact (241) of relevant circuit and can control to close the second moving contact of the circuit relevant to auxiliary terminal (23) (242), the second moving contact (241) is positioned at the top of the first moving contact (242).