CN207947243U - A kind of control and protective switching device - Google Patents

Abstract

The utility model is related to device for switching fields, disclose a kind of control and protective switching device, including the control device mutually plugged and power pedestal, power pedestal includes the switch gearing device and contact assembly mutually plugged, switch gearing device includes accommodating shell, auxiliary contact, hinged contact, drive transmission component, transmission component includes knob, knob includes the swingle being rotatably connected in holding shell body, it is fixedly connected on the turncap of swingle, the locating part of restricted swingle position is set between swingle and receiving shell, the utility model has the following advantages and effect：This programme utilizes new mechanical structure, it can be enabled the circuitry to more quickly be connected again more quickly by circuit reset by the way that switch gearing device and contact assembly, worker is arranged, enable worker that more easily the position of knob to be fixed simultaneously, facilitates the operation of worker.

Description

A kind of control and protective switching device

Technical field

The utility model is related to a kind of device for switching, more specifically, it relates to a kind of control and protective switching device.

Background technology

Control and protective switching device integrates control and protection function, be equivalent to by breaker, contactor, overload after Electric appliance and ancillary apparatus combine together, solve well resolution element cannot or very scabrous element between protection and control Characteristics match problem processed makes protection coordinate with control characteristic more perfect reasonable, has inverse time lag, specified time and instantaneous three section protection Characteristic, as long as can correctly select single product according to bearing power or electric current, instead of it is previous include from power inleting terminal extremely The various electric appliances of load end are not required to drop and hold.

Currently, the Chinese patent that notification number is CN202394773U discloses a kind of lock of control and protective switch device knob Determine device, it includes shell, and the panel of shell is equipped with knob, has arrow on knob, integrated electricity is equipped in shell Road, being located on the outer edge of the knob of arrow tail end has extension rod, is located on the case panel of extension rod both sides respectively Equipped with cavity, simultaneously elasticity is equipped with block, and block is flush when pressing with the panel of shell, and extension rod is equipped with phase with block The pin hole of perforation, have pin pass through pin hole and with pin hole screw-thread fit.

The locking device of this control and protective switch device knob, by being arranged through the pin of pin hole come the position to knob It sets and is positioned, but when worker needs turning knob, worker needs first to take out pin from pin hole, then could be to knob It is rotated, and the small volume of pin is easily lost, worker also needs to carry out more effective keeping to pin, makes worker's It operates relatively complicated.

Utility model content

In view of the deficienciess of the prior art, the utility model lies in that providing a kind of control and protective switching device, conveniently The effect of operation.

To achieve the above object, the utility model provides following technical solution：A kind of control and protective switching device, packet The control device mutually plugged and power pedestal are included, the power pedestal includes the switch gearing device mutually plugged and sets of contacts Part, the switch gearing device include the receiving shell being plugged on the contact assembly, are fixedly connected on the receiving shell On cut the auxiliary contact contradicted with the contact assembly, be hinged on the receiving shell and connect with what the auxiliary contact contradicted Contact, driving transmission component contact head rotation and be electrically connected with the control device, the transmission component includes knob, The knob includes the swingle being rotatably connected in the holding shell body, the turncap for being fixedly connected on the swingle, described The locating part of the restricted swingle position is set between swingle and the receiving shell.

By using above-mentioned technical proposal, when circuit abnormality, control assembly controls transmission component, transmission component Contact head movement is driven, so that contact head is no longer contradicted with auxiliary contact, at this time the company between contact assembly and switch gearing device Disconnection is connect, entire circuit is in short-circuit condition at this time, and after worker, which repairs, completes circuit, worker rotates turncap, and turncap rotates band Dynamic swingle rotation, limits the position of swingle by locating part after swingle rotation, worker need not be again to turncap Position is fixed, and facilitates the operation of worker.

The utility model is further arranged to：The locating part includes the slippage slot being opened in the holding shell body, opens The chimeric block for being located at the embeded slot at the slippage slot both ends, being fixedly connected on the swingle and coordinating with the embeded slot, The chimeric block is slided along the length direction of the slippage slot.

By using above-mentioned technical proposal, worker rotates swingle, and swingle rotation drives chimeric block movement, chimeric block edge The length direction of sliding groove is slided and is fitted in embeded slot, and due to the frictional force between chimeric block and embeded slot, swingle is not Easily rotation, worker can position the position of turncap after rotating turncap, facilitate the operation of worker.

The utility model is further arranged to：The transmission component further include be hinged in the holding shell body and one end with Oscillating rod that the contact head contradicts, be hinged in the holding shell body and with the one end of the oscillating rod far from the contact head The driving plate of conflict, the electromagnet being fixedly connected in the holding shell body, the sliding being slidably connected in the holding shell body Iron core, the return unit being arranged between the knob and the driving plate are hinged with interlocking lever, the company on the sliding iron core The one end of lever far from sliding iron core and the one end of the driving plate far from the electromagnet are hinged, the electromagnet and the control Device electrical connection processed.

By using above-mentioned technical proposal, when circuit abnormality, control device sends out signal electromagnet iron to electromagnet and generates Magnetic force, and attract sliding iron core sliding, sliding iron core sliding drives interlocking lever movement, interlocking lever movement to drive driving plate rotation, Driving plate rotation drives oscillating rod rotation, oscillating rod rotation to drive contact head rotation, leave auxiliary contact after contact head rotation, make Integrated circuit disconnects, and makes to be not susceptible to danger in circuit, improves safety.

The utility model is further arranged to：The return unit include be slidably connected in the holding shell body and with it is described Driving plate is close to the hinged release link in described electromagnet one end, the fixed frame being fixedly connected in the holding shell body, fixed company Be connected on the elastic component between the release link and fixed frame, the catch bar being fixedly connected on the swingle, be opened in it is described Catch bar and the promotion inclined-plane in the release link.

By using above-mentioned technical proposal, when circuit abnormal, driving plate rotation drives release link movement, while bullet Property part also push release link to move, release link movement after by push inclined-plane drive catch bar movement, catch bar movement drive rotation Bar rotation, swingle rotation drives knob, and after worker, which repairs, completes circuit, worker rotates turncap, and turncap rotates band Dynamic swingle rotation, swingle rotation drives catch bar rotation, by pushing inclined-plane to drive release link movement after catch bar rotation, Release link movement drives driving plate rotation, makes driving sheet reset, circuit is made to be connected again, facilitate the operation of worker.

The utility model is further arranged to：Contradictory piece is provided between the contact head and the oscillating rod, it is described to support Contact element includes the contact chip being fixedly connected on the contact head, is opened on the contact chip contact groove is fixedly connected on Contact block of the oscillating rod far from described driving plate one end, the contact block are chimeric with the contact groove.

By using above-mentioned technical proposal, contact block is driven, in contact groove, to make contact block with chimeric after oscillating rod rotation Can be relatively stable be located in contact chip, keeps the position between oscillating rod and contact head relatively fixed, reduces external force to swinging The influence of position between bar and contact head so that circuit being capable of constant conduction.

The utility model is further arranged to：The contact assembly includes the contact base being plugged on the receiving shell Seat, the first connecting terminal and the second connecting terminal mounted on the contact pedestal both ends, the auxiliary contact and described first Connecting terminal contradicts, and conducting wire is connected between second connecting terminal and the driving plate.

By using above-mentioned technical proposal, auxiliary contact and the first connecting terminal contradict, and driving plate passes through conducting wire and second Connecting terminal connects, and electric current can flow between the first connecting terminal and the second connecting terminal, by making contact head and auxiliary The i.e. cut-off circuit of contact separation, keeps protection process reaction more quick.

The utility model is further arranged to：It is inserted mutually by plug connector between the receiving shell and the contact pedestal It connects, the plug connector includes the grafting block being fixedly connected on the contact pedestal, is opened in the grafting accommodated on shell Hole, the spliced eye are chimeric with the grafting block.

By using above-mentioned technical proposal, worker will accommodate shell and be moved towards contact pedestal, and spliced eye is in moving process It contradicts and bends with grafting block, when grafting block reaches at spliced eye, grafting block enters embedding with spliced eye in spliced eye It closes, the position of receiving shell and contact pedestal is made to be determined, facilitate installation of the worker to receiving shell and contact pedestal.

The utility model is further arranged to：The direction side for accommodating shell of the grafting block offers first and draws Guiding incline, the grafting block offer the second lead-in chamfered far from the side for accommodating shell, second lead-in chamfered Slope is more than the slope of first lead-in chamfered.

By using above-mentioned technical proposal, the slope of the second lead-in chamfered is more than the slope of the first lead-in chamfered, makes worker It is pushing the when of accommodating shell movement that more grafting block quickly can be made chimeric with spliced eye, is making worker that will accommodate shell extraction Contact pedestal is more difficult to extract, and improves stability again while facilitating worker to install.

In conclusion the utility model has the advantages that：

1, by the way that switch gearing device and contact assembly is arranged, when circuit abnormal, switch gearing device can be compared with Quickly to cut off circuit, make to be not susceptible to danger in circuit, when worker has repaired circuit, worker can be more fast Speed by circuit reset, enable the circuitry to more quickly be connected again, while enabling worker more easily to knob Position is fixed, and facilitates the operation of worker.

Description of the drawings

Fig. 1 is the external structure schematic diagram of the utility model；

Fig. 2 is the attachment structure schematic diagram for embodying contact pedestal and the first connecting terminal；

Fig. 3 is the attachment structure schematic diagram for embodying oscillating rod and driving plate；

Fig. 4 is enlarged drawing at the A of Fig. 3, embodies the connection structure for contradicting piece and contact groove；

Fig. 5 is the connection structure diagrammatic cross-section for embodying embeded slot and chimeric block；

Fig. 6 is the attachment structure schematic diagram for embodying release link and driving plate；

Fig. 7 is the attachment structure schematic diagram for embodying release link and fixed frame.

Reference numeral：1, power pedestal；11, contact assembly；111, contact pedestal；112, the first connecting terminal；113, Two connecting terminals；12, switch gearing device；121, shell is accommodated；122, auxiliary contact；123, contact head；124, sliding panel；2、 Control device；3, transmission component；31, oscillating rod；32, driving plate；321, conducting wire；33, electromagnet；34, iron core is slided；341, even Lever；35, knob；351, swingle；352, turncap；36, return unit；361, release link；362, fixed frame；363, elastic component； 364, catch bar；365, inclined-plane is pushed；4, plug connector；41, grafting block；411, the first lead-in chamfered；412, the second lead-in chamfered； 42, spliced eye；5, contradictory piece；51, contact chip；52, contact groove；53, contact block；531, support portion；532, contact site；6, it limits Part；61, slippage slot；62, embeded slot；63, chimeric block.

Specific implementation mode

The utility model is described further with reference to attached drawing.

As depicted in figs. 1 and 2, a kind of control and protective switching device, including power pedestal 1 and it is plugged on power pedestal 1 On control device 2, power pedestal 1 includes contact assembly 11 and the switch gearing device 12 that is plugged on contact assembly 11.It touches Head assembly 11 includes contact pedestal 111, the first connecting terminal 112 and the second connecting terminal 113, the first connecting terminal 112 and the Two connecting terminals 113 are plugged on the both ends of contact pedestal 111.As shown in Figures 2 and 3, switch gearing device 12 includes holding shell Body 121, auxiliary contact 122, contact head 123 and transmission component 3 accommodate shell 121 and are inserted by plug connector 4 and contact pedestal 111 It connects, auxiliary contact 122 is fixedly connected between the both sides inner wall for accommodating shell 121 and is contradicted with the first connecting terminal 112, L-shaped Contact head 123 be hinged on accommodate shell 121 both sides inner wall on and with auxiliary contact 122 contradict, plug connector 4 include grafting block 41 and spliced eye 42, grafting block 41 be fixedly connected on the both sides of contact pedestal 111, the spliced eye 42 being rectangle is opened in receiving The both sides of shell 121, grafting block 41 are connected in spliced eye 42.The upper and lower both sides of grafting block 41 offer the first guiding respectively Inclined-plane 411 and the second lead-in chamfered 412, the slope of the first lead-in chamfered 411 are less than the slope of the second lead-in chamfered 412.

As shown in Figure 3 and Figure 4, transmission component 3 includes oscillating rod 31, driving plate 32, electromagnet 33, sliding iron core 34, rotation Button 35 and return unit 36, H-shaped oscillating rod 31 be hinged on accommodate shell 121 both sides inner wall between, oscillating rod 31 with contact Contradictory piece 5 is provided between first 123, contradictory piece 5 includes contact chip 51, contact groove 52 and contact block 53, and contact chip 51, which is fixed, to be connected It is connected on side of the contact head 123 far from auxiliary contact 122, the contact groove 52 to take the shape of the letter U is opened on contact chip 51, and contact block 53 wraps The support portion 531 and contact site 532 of integrated setting are included, support portion 531 in a rectangular parallelepiped shape is fixedly connected on oscillating rod 31 and leans on One end of proximity contact 123, support portion 531 are vertically arranged, and horizontally disposed cylindrical contact site 532 is fixedly connected on branch The one end of support part 531 far from oscillating rod 31 and positioned in contact groove 52.

As shown in Figures 2 and 3, driving plate 32 is hinged between the both sides inner wall for accommodating shell 121, driving plate 32 and swing The one end of bar 31 far from contact head 123 contradicts, and the one end of driving plate 32 far from oscillating rod 31 is fixedly connected with conducting wire 321, conducting wire 321 are fixedly connected with the second connecting terminal 113.It includes being fixedly connected on the sliding accommodated on 121 inner wall of shell to accommodate shell 121 Plate 124, sliding iron core 34 are located on sliding panel 124 and are slided along the length direction of sliding panel 124, slide and be hinged on iron core 34 Interlocking lever 341, the one end of interlocking lever 341 far from sliding iron core 34 and driving plate 32 are hinged.Electromagnet 33 is fixedly connected on sliding On plate 124, electromagnet 33 is electrically connected with control device 2.

As shown in Figure 3 and Figure 5, knob 35 includes swingle 351 and turncap 352, and swingle 351 is rotatably connected on holding shell In body 121, turncap 352 is fixedly connected on swingle 351 far from the one end for accommodating shell 121.Swingle 351 and receiving shell Finite place piece 6 is set between 121, and locating part 6 includes slippage slot 61, embeded slot 62 and chimeric block 63, is in the slippage slot of strip 61 are opened on the both sides inner wall for accommodating shell 121, and the both ends of slippage slot 61, embeded slot are opened in the embeded slot 62 of strip 62 width is less than the width of slippage slot 61, and cylindrical chimeric block 63 is fixedly connected on the both sides of swingle 351, chimeric block 63 are entrenched in embeded slot 62.

As shown in Figure 6 and Figure 7, return unit 36 includes release link 361, fixed frame 362, elastic component 363 and catch bar 364, Section is fixedly connected in back-shaped fixed frame 362 on the inner wall for accommodating shell 121, and release link 361 is threaded through in fixed frame 362 And be slidably connected in fixed frame 362, the lower end of release link 361 and driving plate 32 are hinged, the inner wall and release link of fixed frame 362 361 outer wall contradicts, and elastic component 363 is fixedly connected on the upper surface of fixed frame 362 and is set in release link 361, elastic component 363 one end for being located at fixed frame 362 are fixedly connected with release link 361, and elastic component 363 is spring.Catch bar 364 is fixedly connected with rotation The lower surface of bull stick 351, the side of 361 mutual direction of catch bar 364 and release link, which offers, pushes inclined-plane 365.

In conclusion when circuit abnormal, control device 2 controls electromagnet 33, and electromagnet 33 is right Sliding iron core 34 is adsorbed, and the sliding movement of iron core 34 drives interlocking lever 341 to move, and the movement of interlocking lever 341 drives driving plate 32 Rotation, driving plate 32 rotation drive oscillating rod 31 rotate, oscillating rod 31 rotation drive contact head 123 rotate, make contact head 123 from Auxiliary contact 122 is opened, the electric current on the second connecting terminal 113 is difficult to be transferred on the first connecting terminal 112 at this time, keeps circuit disconnected The device on circuit is protected on road；After worker is to line maintenance, worker rotates turncap 352, and turncap 352 rotates Swingle 351 is driven to rotate, the rotation of swingle 351 drives catch bar 364 and chimeric block 63 to move, and chimeric block 63 is entrenched in chimeric In slot 62, for catch bar 364 by pushing inclined-plane 365 that release link 361 is driven to move, the movement of release link 361 drives 32 turns of driving plate Dynamic, the rotation of driving plate 32 makes oscillating rod 31 be rotated under the gravity of contact block 53, and contact block 53 drives 123 turns of contact head simultaneously Dynamic, contact head 123 contradicts after rotating with auxiliary contact 122, makes circuit communication.

The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (8)

1. a kind of control and protective switching device, it is characterized in that：Including the control device mutually plugged（2）With power pedestal（1）, The power pedestal（1）Including the switch gearing device mutually plugged（12）And contact assembly（11）, the switch gearing device （12）Including being plugged on the contact assembly（11）On receiving shell（121）, be fixedly connected on the receiving shell（121）On It cuts and the contact assembly（11）The auxiliary contact of conflict（122）, be hinged on the receiving shell（121）It is upper and with the auxiliary Contact（122）The contact head of conflict（123）, the driving contact head（123）Rotation and with the control device（2）Electrical connection Transmission component（3）, the transmission component（3）Including knob（35）, the knob（35）Including being rotatably connected on the holding shell Body（121）Interior swingle（351）, be fixedly connected on the swingle（351）Turncap（352）, the swingle（351）With The receiving shell（121）Between the restricted swingle is set（351）The locating part of position（6）.

2. a kind of control and protective switching device according to claim 1, it is characterized in that：The locating part（6）Including opening It is located at the receiving shell（121）Interior slippage slot（61）, be opened in the slippage slot（61）The embeded slot at both ends（62）, it is fixed It is connected to the swingle（351）It is upper and with the embeded slot（62）The chimeric block of cooperation（63）, the chimeric block（63）Along institute State slippage slot（61）Length direction sliding.

3. a kind of control and protective switching device according to claim 1, it is characterized in that：The transmission component（3）Also wrap It includes and is hinged on the receiving shell（121）Interior and one end and the contact head（123）The oscillating rod of conflict（31）, be hinged on it is described Accommodate shell（121）It is interior and with the oscillating rod（31）Far from the contact head（123）One end contradict driving plate（32）, it is solid Surely it is connected to the receiving shell（121）Interior electromagnet（33）, be slidably connected at the receiving shell（121）Interior sliding iron Core（34）, be arranged in the knob（35）With the driving plate（32）Between return unit（36）, the sliding iron core（34）On It is hinged with interlocking lever（341）, the interlocking lever（341）Far from sliding iron core（34）One end and the driving plate（32）Far from institute State electromagnet（33）One end it is hinged, the electromagnet（33）With the control device（2）Electrical connection.

4. a kind of control and protective switching device according to claim 3, it is characterized in that：The return unit（36）Including cunning It is dynamic to be connected to the receiving shell（121）Interior release link（361）, be fixedly connected on the receiving shell（121）Interior fixation Frame（362）, be fixedly connected on the release link（361）With fixed frame（362）Between elastic component（363）, be fixedly connected on institute State swingle（351）On catch bar（364）, be opened in the catch bar（364）With the release link（361）On promotion it is oblique Face（365）.

5. a kind of control and protective switching device according to claim 3, it is characterized in that：The contact head（123）With institute State oscillating rod（31）Between be provided with contradictory piece（5）, the contradictory piece（5）Including being fixedly connected on the contact head（123）On Contact chip（51）, be opened in the contact chip（51）On contact groove（52）, be fixedly connected on the oscillating rod（31）It is separate The driving plate（32）The contact block of one end（53）, the contact block（53）With the contact groove（52）It is chimeric.

6. a kind of control and protective switching device according to claim 5, it is characterized in that：The contact assembly（11）Including It is plugged on the receiving shell（121）On contact pedestal（111）, be mounted on the contact pedestal（111）The first of both ends connects Line terminals（112）With the second connecting terminal（113）, the auxiliary contact（122）With first connecting terminal（112）It contradicts, Second connecting terminal（113）With the driving plate（32）Between be connected with conducting wire（321）.

7. a kind of control and protective switching device according to claim 6, it is characterized in that：The receiving shell（121）With The contact pedestal（111）Between pass through plug connector（4）It mutually plugs, the plug connector（4）Including being fixedly connected on described touch Head pedestal（111）On grafting block（41）, be opened in the receiving shell（121）On spliced eye（42）, the spliced eye （42）With the grafting block（41）It is chimeric.

8. a kind of control and protective switching device according to claim 7, it is characterized in that：The grafting block（41）Direction The receiving shell（121）Side offer the first lead-in chamfered（411）, the grafting block（41）Far from the receiving shell （121）Side offer the second lead-in chamfered（412）, second lead-in chamfered（412）Slope draw more than described first Guiding incline（411）Slope.