CN208208659U

CN208208659U - A kind of novel closed type D.C. contactor

Info

Publication number: CN208208659U
Application number: CN201820936736.3U
Authority: CN
Inventors: 陈洲
Original assignee: Zhejiang East Asia Electronics Co Ltd
Current assignee: Zhejiang East Asia Electronics Co Ltd
Priority date: 2018-06-15
Filing date: 2018-06-15
Publication date: 2018-12-07
Anticipated expiration: 2028-06-15

Abstract

The utility model relates to a kind of novel closed type D.C. contactors, including a shell, pedestal above shell and the waterproof plug being fixedly connected with the casing, it is characterized by: being fixed with first sealing ring of circle between the waterproof plug and shell, the pedestal is the installation part of " T " font, the vertical portion of the pedestal is an accommodating chamber, the first quiet post assembly in accommodating chamber is successively arranged on the pedestal from left to right, core bar component and the second quiet post assembly, the utility model has the beneficial effects that sealing ring improves the leakproofness of product, sealing ring can play dust-separation waterproof action, effectively play protective action；2, contact is packaged in pedestal, is effectively played protective action and is prevented electric arc from leaking；Meet the requirement of the industries such as the severe engineering machinery of working environment, mining machinery, electric locomotive, electric car.

Description

A kind of novel closed type D.C. contactor

Technical field

The utility model relates to a kind of novel closed type D.C. contactors.

Background technique

D.C. contactor refers to used in one of DC loop contactor, be mainly used to control DC circuit (main circuit, Control circuit and excitation circuit etc.), original D.C. contactor is widely used in the fields such as automobile, engineering machinery, but due to producing Product protective capacities and resistance to corrosion are poor, and failure rate is very high after sale, market gradually atrophy, in order to meet engineering machinery, vehicle Requirement expands occupation rate of market, develops the hermetic type D.C. contactor that this protective capacities is good and resistance to corrosion is strong, and Core bar can be touched with iron core in the event of a power failure, can shorten its service life.

Summary of the invention

The purpose of the utility model is to overcome defect existing in the prior art, a kind of novel closed type direct current is provided and is connect Tentaculum.

In order to achieve the above object, the utility model provides following technical scheme: a kind of novel closed type direct current contact Device, including a shell, the pedestal above shell and the waterproof plug being fixedly connected with the casing, it is characterised in that: institute It states and is fixed with first sealing ring of circle between waterproof plug and shell, the pedestal is the installation part of " T " font, the pedestal Vertical portion be an accommodating chamber, be successively arranged the first quiet binding post group in accommodating chamber from left to right on the pedestal Part, core bar component and the second quiet post assembly, the core bar component are successively set including return spring, one vertically from top to bottom The core bar set and a fixation are set in the insulating knockout pin below core bar, pass through cross-over block between the return spring and core bar It is fixedly connected, the other end of the return spring is fixedly connected with the transverse slat of pedestal, and the left and right sides of the core bar is fixedly mounted The first moving contacting plate corresponding with the first quiet post assembly and the second quiet post assembly and the second moving contacting plate, the base A through-hole is offered on the bottom plate of seat, one end of the core bar is located in through-hole and stretches out below the vertical portion of pedestal, institute It states pedestal to be mounted in shell, the left plate inner sidewall of the shell offers " L " type groove, the right side of the shell Plate inner sidewall offers one and the symmetrical seal groove of " L " type groove, is fixedly installed in " L " the type groove and seal groove The second sealing ring being fixedly connected with shell left plate and right side plate, be equipped in the shell " L " type bracket and with " L " The symmetrically arranged support frame of type bracket, " L " the type bracket, support frame, bottom plate and the formation one between the bottom plate of shell Mounting groove, the insulating knockout pin are located in mounting groove, and a coil block, the coil group are fixedly installed in the mounting groove It is equipped with a magnetosheath in part, is equipped with an iron core in the magnetosheath, the circumferential outer surface of the insulating knockout pin is fixed with one Magnetic pole corresponding with iron core.

The utility model is further arranged to: one is equipped with below first moving contacting plate and below the second moving contacting plate The insulating washer and split washer being set on core bar are equipped between the insulating washer and split washer and are movably set in core bar On touch spring, the split washer is fixedly mounted on core bar.

The utility model is further arranged to: the first quiet post assembly and the second quiet post assembly structure phase Together, the described first quiet post assembly includes a binding post and is fixedly connected below binding post and with binding post Contact, the binding post are fixedly mounted in the accommodating chamber of pedestal by screw, between the upper end and pedestal of the binding post also Equipped with a circle third sealing ring.

The utility model is further arranged to: being led to respectively between " L " the type bracket and shell and support frame and shell It crosses identical first support component of structure to connect with the second support component, first support component includes being located at " L " type bracket Vertical plate and the left plate of shell between support plate and " L " type bracket transverse slat and the bottom plate of shell between it is vertical Part, the support plate are fixedly connected with " L " type bracket and shell, and the vertical member and shell are integrally formed and are arranged, the other end It is fixedly connected with " L " type bracket, the right side of the vertical member is equipped with one and the integrally formed protruding block of shell.

The utility model is further arranged to: the two sides of the shell are convex at least provided with four be fixedly connected with the casing Ear offers tapped through hole for fixing on the lug.

The utility model is further arranged to: it is fixedly connected between the waterproof plug and shell by screw, it is described anti- The plug connecting line of water cutting head is electrically connected with the fixation of the lead-out wire of coil block.

The utility model has the beneficial effects that in the case that 1, the utility model powers off after use, due to core bar and insulation Cushion block is fixedly connected, and one end of return spring is fixedly connected with pedestal, and the other end is fixedly connected with cross-over block, can be because returning to bullet Spring resets, and causes core bar to move downward, return spring can slow down its buffering to iron core, and in the lower section fixing sleeve of core bar Equipped with an insulating knockout pin, can directly be impacted to avoid with iron core, reach a buffering effect, and the waterproof plug with Be fixed with first sealing ring of circle between shell, be provided with the second sealing ring between shell and pedestal, the binding post it is upper The leakproofness that a circle third sealing ring improves product is additionally provided between end and pedestal, sealing ring can play dust-separation waterproof work With effectively playing protective action；2, contact is packaged in pedestal, is effectively played protective action and is prevented electric arc from leaking；3, pedestal With the encapsulation between quiet post assembly, plastic casing, encapsulation between plastic casing and waterproof plug makes to have in electromagnetic system Effect plays protective action, and product work is more reliable, plays effectively enhancing resistance to corrosion, is allowed to the energy under severe working environment Long-time reliably working；Meet the row such as the severe engineering machinery of working environment, mining machinery, electric locomotive, electric car The requirement of industry.

Detailed description of the invention

Attached drawing 1 is the structural schematic diagram of the utility model.

Specific embodiment

It is described further with reference to the accompanying drawings and examples.

According to Fig. 1, present embodiment discloses a kind of speed reducer, a kind of novel closed type D.C. contactor, including a shell Body 1, the pedestal 2 above shell 1 and the waterproof plug 3 being fixedly connected with shell 1, shell 1 are plastic casing, shell 1 It is connect between waterproof plug 3 by screw rod, first sealing ring of circle 4 is fixed between the waterproof plug 3 and shell 1, The leakproofness of product is improved, the first sealing ring can play dust-separation waterproof action, effectively play protective action, the pedestal 2 For the installation part of " T " font, the vertical portion of the pedestal 2 is an accommodating chamber 5, and the accommodating chamber 5 is the arc-chutes of arc extinguishing, institute State the quiet post assembly 6 of first be successively arranged from left to right in accommodating chamber 5 on pedestal 2, core bar component 7 and second quiet connects Terminal component 66, the core bar component 7 successively include that 8, core bars being vertically arranged 9 of return spring and one are solid from top to bottom Surely it is set in the insulating knockout pin 10 of 9 lower section of core bar, return spring pushes the heart according to the reset response of spring in the event of a power failure Bar moves down, and insulating knockout pin can play insulation effect, can also directly contact to avoid core bar with iron core, reaches a buffering Effect is fixedly connected between the return spring 8 and core bar 9 by cross-over block 11, the other end and base of the return spring 8 The transverse slat of seat 2 is fixedly connected, and the left and right sides of the core bar 9 is fixedly mounted and the first quiet post assembly 6 and the second quiet wiring Corresponding first moving contacting plate 12 of column assembly 66 and the second moving contacting plate 13, offer on the bottom plate of the pedestal 2 one it is logical Hole 14, offers through-hole, and core bar is facilitated to move up and down in it, and one end of the core bar 9 is located in through-hole 14 and stretches Out below the vertical portion of pedestal 2, the pedestal 2 is mounted in shell 1, and the left plate inner sidewall of the shell 1 offers one " L " type groove 15, the right side plate inner sidewall of the shell 1 offer one and the symmetrical seal groove 16 of " L " type groove 15, institute State the second sealing ring for being fixedly installed in " L " type groove 15 and seal groove 16 and being fixedly connected with 1 left plate of shell and right side plate 17, the leakproofness of product is improved, the second sealing ring can play dust-separation waterproof action, effectively play protective action, the shell Be equipped in body 1 " L " type bracket 18 and with the symmetrically arranged support frame 19 of " L " type bracket 18, " L " the type bracket 18, Support frame 19, the bottom plate of pedestal 2 and one mounting groove 20 of formation between the bottom plate of shell 1, the insulating knockout pin 10 are located at In mounting groove 20, it is fixedly installed a coil block 21 in the mounting groove 20, is equipped with a magnetic in the coil block 21 Set 22, the magnetosheath 22 is interior to be equipped with an iron core 23, and the circumferential outer surface of the insulating knockout pin 10 is fixed with one and iron core 23 corresponding magnetic poles 24.

An insulation being set on core bar 9 is equipped with below first moving contacting plate, 12 lower section and the second moving contacting plate 13 Washer 25 and split washer 26 are equipped with the contact being movably set on core bar 9 between the insulating washer 25 and split washer 26 Spring 27, the split washer 26 are fixedly mounted on core bar 9.

The first quiet post assembly 6 is identical with the second quiet 66 structure of post assembly, the first quiet binding post group Part 6 is including a binding post 28 and positioned at the contact 29 binding post 28 lower section and be fixedly connected with binding post 28, contact side Just it is contacted with below the first moving contacting plate with the second moving contacting plate, the binding post 28 is fixedly mounted on pedestal 2 by screw In accommodating chamber 5, it is additionally provided with a circle third sealing ring 30 between the upper end and pedestal 2 of the binding post 28, improves the close of product Feng Xing, third sealing ring can play dust-separation waterproof action, effectively play protective action.

It is first identical by structure respectively between " L " the type bracket 18 and shell 1 and support frame 19 and shell 1 Support component 31 and the second support component 32 connection, first support component 21 include positioned at " L " type bracket 18 vertical plate and The vertical member 34 between the transverse slat of support plate 33 and " L " type bracket 18 and the bottom plate of shell 1 between the left plate of shell 1, The support plate 33 is fixedly connected with " L " type bracket 18 and shell 1, and the vertical member 34 is integrally formed with shell 1 to be arranged, separately One end is fixedly connected with " L " type bracket 18, strengthens whole fixing, and the right side of the vertical member 34 is equipped with one and shell 1 integrally formed protruding block 35, stable connection, and also setting protruding block can play the role of a limited support.

The two sides of the shell 1 are offered on the lug 36 at least provided with four lugs 36 being fixedly connected with shell 1 Tapped through hole 37 for fixing, facilitates installation.

Be fixedly connected between the waterproof plug 3 and shell 1 by screw, the plug connecting line of the waterproof plug 3 with The fixed electrical connection of the lead-out wire of coil block 21.

Working principle of the utility model is: in the energized state, after waterproof plug is powered, pass fax to coil block, After coil block is powered, iron core driving insulating knockout pin and magnetic pole are moved upwards, so that core bar be pushed up to move, core bar is driven Below first moving contacting plate and the second moving contacting plate up moves and the contact of binding post, and energized state is in after contact, After coil block power-off, return spring is pushed core bar due to the reset response of spring down, and core bar drives the first moving contacting plate Lower section and the second moving contacting plate are separated with the contact of binding post, are in an off state after separating.

Described above is only the preferred embodiment of the utility model, and the present invention is not limited to the above embodiments, Any retouching, modification or the equivalent replacement that all those skilled in the art are made as described above, belong to the utility model The range protected.

Claims

1. a kind of novel closed type D.C. contactor is fixed including a shell, the pedestal above shell and with shell The waterproof plug of connection, it is characterised in that: first sealing ring of circle, the base are fixed between the waterproof plug and shell Seat is the installation part of " T " font, and the vertical portion of the pedestal is an accommodating chamber, is successively arranged position from left to right on the pedestal In the first quiet post assembly, core bar component and the second quiet post assembly in accommodating chamber, the core bar component is from top to bottom It successively include that return spring, a core bar being vertically arranged and a fixation are set in the insulating knockout pin below core bar, it is described to return It is fixedly connected between rebound spring and core bar by cross-over block, the other end of the return spring and the fixed company of the transverse slat of pedestal It connects, the left and right sides of the core bar is fixedly mounted and the first quiet post assembly and the second quiet post assembly corresponding first Moving contacting plate and the second moving contacting plate offer a through-hole on the bottom plate of the pedestal, and one end of the core bar is located at through-hole Vertical portion lower section that is interior and stretching out pedestal, the pedestal are mounted in shell, and the left plate inner sidewall of the shell offers One " L " type groove, the right side plate inner sidewall of the shell offers one and the symmetrical seal groove of " L " type groove, described The second sealing ring being fixedly connected with shell left plate and right side plate, the shell are fixedly installed in " L " type groove and seal groove In vivo be equipped with " L " type bracket and with the symmetrically arranged support frame of " L " type bracket, " L " the type bracket, support frame, bottom Plate and one mounting groove of formation between the bottom plate of shell, the insulating knockout pin are located in mounting groove, solid in the mounting groove Surely it is provided with a coil block, a magnetosheath is equipped in the coil block, an iron core is equipped in the magnetosheath, it is described exhausted The circumferential outer surface of edge mandril is fixed with a magnetic pole corresponding with iron core.

2. a kind of novel closed type D.C. contactor according to claim 1, it is characterised in that: first moving contacting plate Be equipped with an insulating washer and split washer being set on core bar below lower section and the second moving contacting plate, the insulating washer with The touch spring being movably set on core bar is equipped between split washer, the split washer is fixedly mounted on core bar.

3. a kind of novel closed type D.C. contactor according to claim 1, it is characterised in that: the first quiet binding post Component and the second quiet post assembly structure are identical, and the first quiet post assembly is including a binding post and is located at wiring The contact being fixedly connected below column and with binding post, the binding post are fixedly mounted in the accommodating chamber of pedestal by screw, A circle third sealing ring is additionally provided between the upper end and pedestal of the binding post.

4. a kind of novel closed type D.C. contactor according to claim 1, it is characterised in that: " L " the type bracket with It is connected respectively by identical first support component of structure and the second support component between shell and support frame and shell, it is described First support component includes the support plate and " L " type bracket between the vertical plate of " L " type bracket and the left plate of shell Transverse slat and shell bottom plate between vertical member, the support plate is fixedly connected with " L " type bracket and shell, described vertical Part and shell, which are integrally formed, to be arranged, and the other end is fixedly connected with " L " type bracket, and the right side of the vertical member is equipped with one and shell Integrally formed protruding block.

5. a kind of novel closed type D.C. contactor according to claim 1, it is characterised in that: the two sides of the shell are extremely It is few to be equipped with four lugs being fixedly connected with the casing, tapped through hole for fixing is offered on the lug.

6. a kind of novel closed type D.C. contactor according to claim 1, it is characterised in that: the waterproof plug and shell It is fixedly connected between body by screw, the plug connecting line of the waterproof plug is electrically connected with the fixation of the lead-out wire of coil block.