CN209169069U - The multi-functional shield of device for switching - Google Patents

Abstract

A kind of multi-functional shield of device for switching, it includes shell and the shield that shell both ends are arranged in, overhead kick through-hole is equipped on shield, overhead kick part connected to the housing is equipped in overhead kick through-hole, overhead kick part includes the elastic portion connecting with the hole wall of overhead kick through-hole and the lever for being separately positioned on elastic portion both ends and fastening overhead kick, it fastens overhead kick and shell is engaged by clamping, lever stretches out outside shield, lever be able to drive fasten overhead kick it is separate or clamping shell, lever, which is able to drive, fastens overhead kick far from shell, it prevents from fastening overhead kick during mounting and dismounting shield and shell is interfered, not only installation and removal shield is all very convenient, and shield by overhead kick part connect with shell it is more reliable, it is not susceptible to deformation and fracture, technology stability is also more preferable.

Description

The multi-functional shield of device for switching

Technical field

The invention is related to Low Voltage Electrical Apparatus, more particularly to a kind of multi-functional shield of device for switching.

Background technique

Device for switching is the device for control circuit on-off, such as mold cased circuit breaker, but existing mold cased circuit breaker Shell assembly or disassembly process it is cumbersome, and the poor reliability of shell, the problems such as being easy to cause housing distortion and fall off, nothing Method meets mold cased circuit breaker growth requirement.

Summary of the invention

The defect for aiming to overcome that the prior art of the invention, provides that a kind of structure is simple, high reliablity opens The multi-functional shield of powered-down device.

To achieve the above object, the invention adopts the technical scheme that

A kind of multi-functional shield of device for switching comprising shell 1 and the shield 2 that 1 both ends of shell are set, in shield 2 are equipped with overhead kick through-hole 30, and the overhead kick part 3 connecting with shell 1 is equipped in overhead kick through-hole 30, and overhead kick part 3 includes logical with overhead kick The elastic portion 31 of the hole wall connection in hole 30 and lever 32 and the fastening overhead kick 33 for being separately positioned on 31 both ends of elastic portion, button It closes overhead kick 33 and shell 1 is engaged by clamping, lever 32 stretches out outside shield 2, and it is separate that lever 32 is able to drive fastening overhead kick 33 Or clamping shell 1.

Optionally, the shield 2 is equipped with the packing plate 22 for avoiding electricity behaviour's attachment 23, and packing plate 22 passes through multiple Broken connection strap 221 is connect with shield 2.

Optionally, the inside of the shield 2 is corresponding is equipped with electric arc baffle 24 around overhead kick through-hole 30.

Optionally, the shell 1 is equipped with the lead sealing inserts 25 cooperated with shield 2, is equipped with and lead sealing inserts on shield 2 The inserts through-hole 250 of 25 cooperations, one end of lead sealing inserts 25 are fixedly connected with shield 2, and the other end of lead sealing inserts 25 is equipped with lead Sealing of hole 251 simultaneously passes through the outside that inserts through-hole 250 reaches shield 2.

Optionally, the elastic portion 31 of the overhead kick part 3 is at "U" shaped comprising two are arranged in shield 2 lateral shell The elastic arm 35 that body 1 extends, and it is connected to the linking arm 36 in 35 one end of elastic arm, the other end of elastic arm 35 and overhead kick are logical The hole wall in hole 30 is fixedly connected, and the lever 32 is separately positioned on the two sides of linking arm 36 with fastening overhead kick 33.

Optionally, the lever 32 is at " Z " font comprising connect between two elastic arms 35 with linking arm 36 Connection handle 321, stretch out pushing handle 322 and the bending handle that is connected between connection handle 321 and pushing handle 322 outside shield 2 323, bending handle 323 forms evacuation shell 1 to the direction bending far from shell 1 between bending handle 323 and pushing handle 322 Avoiding space；The elastic arm 35 is at " L " font comprising the horizontal side arm 351 of elasticity, one end and the company that one end is connect with shield 2 It connects the elastic longitudinal side arm 352 of the connection of arm 36 and is connected to the elasticity folding of 352 other end of the horizontal side arm 351 of elasticity and elastic longitudinal side arm Curved boom 353, the horizontal side arm 351 of elasticity are vertically arranged with elastic longitudinal side arm 352, and in the horizontal side arm 351 of elasticity and elastic longitudinal side arm 352 Between formed and enter space 354, shell 1 be equipped with reach into space 354 with the fixation step 34 that fastens overhead kick 33 and cooperate.

Optionally, the electric arc baffle 24 includes the first baffle 241 for being oppositely arranged on 3 side of overhead kick part, is set on shell 1 Have with 3 other side of overhead kick part cooperation fixation step 34, the both ends of first baffle 241 be respectively equipped with overhead kick part 3 remaining two The second baffle 242 and third baffle 243 of side cooperation form evacuation between second baffle 242 and third baffle 243 and fix The evacuation opening 244 of step 34.

Optionally, at the both ends of shell 1 it is respectively equipped with connecting terminal 4 and for accommodating the terminals on the shell 1 The connecting groove 40 of son 4 is equipped with the fixation step 34 cooperated with fastening overhead kick 33 on the inner sidewall of connecting groove 40.

Optionally, the shield 2 is at " L " font comprising connected side plate 26 and top plate 27, top plate 27, which blocks, to be connect The top of wire casing 40, side plate 26 are blocked in the side of connecting groove 40, are equipped between side plate 26 and top plate 27 to 40 side of connecting groove The partition 263 that the side of wall extends is equipped with the septalium 264 for accommodating partition 263, septalium on the side of 40 side wall of connecting groove Be equipped with card slot 265 in 264, be equipped on partition 263 and reach the limited post 266 for limiting cooperation in card slot 265, limited post 266 with Overhead kick part 3 is arranged in parallel, and the outer diameter of limited post 266 is greater than the internal diameter of septalium 264 with the direction pair perpendicular to overhead kick part 3 Shield 2 limits.

Optionally, the shell 1 includes pedestal 11 and the housing 12 for being mounted on 11 top of pedestal, the top side of housing 12 Equipped with the connector 13 being connect with pedestal 11, and the lead sealing inserts 25 cooperated with top plate 27, it is equipped on top plate 27 and lead sealing The inserts through-hole 250 that inserts 25 cooperates, overhead kick part 3 and inserts through-hole 250 are separately positioned on the two sides of top plate 27, and top plate 27 exists The side of overhead kick part 3 is equipped with the operation instruction mark 21 for being used to indicate 32 moving direction of lever；The two sides of top plate 27 are set respectively There is extension board 271, form the packing slot 272 of "U" shaped between two extension boards 271, packing plate is equipped in packing slot 272 22, the side of packing 22 side of plate is flushed with two extension boards 271, and packing remaining three side of plate 22 pass through multiple engrave respectively Empty connection strap 221 is connect with the side wall of packing slot 272；The top side of the housing 12 is equipped with the connection for accommodating 13 end of connector Counterbore 14 is respectively equipped with the baffle 273 that 13 outside of connector is reached into connection counterbore 14 in the bottom side of extension board 271.

The multi-functional shield of the device for switching of the invention, lever 32, which is able to drive, fastens overhead kick 33 far from shell 1, It prevents from fastening overhead kick 33 during mounting and dismounting shield 2 and shell 1 is interfered, not only mount and dismount shield 2 all very Convenience, and shield 2 connect more reliable by overhead kick part 3 with shell 1, is not susceptible to deformation and fracture, technology stability More preferably.

Further, the multi-functional shield of the device for switching of the invention needs to install on shell 1 electricity behaviour's attachment 23 When, fracture dispense plate 22 can will packing plate 22 remove with avoid electricity behaviour attachment 23, convenient for electricity behaviour attachment 23 be installed to shell 1 On, take into account the installation requirements for not needing to install electricity behaviour's attachment conventional products and needing to install electricity behaviour's accessory product；In addition, electric arc Baffle 24 can prevent the electric arc in device for switching from running out of shield 2 along overhead kick through-hole 30, play the role of arc protection, avoid down It hooks at the position of part 3 and security risk occurs, improve the safety of device for switching.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the invention device for switching；

Fig. 2 is the cooperation schematic diagram of the invention shell and shield；

Fig. 3 is the exploded view of the invention shell；

Fig. 4 is the partial enlarged view of the invention Fig. 3；

Fig. 5 is the cooperation schematic diagram of the invention overhead kick part and shell；

Fig. 6 is the partial enlarged view of the invention Fig. 5；

Fig. 7 is the structure schematic diagram of the invention shield；

Fig. 8 is the partial enlarged view of the invention Fig. 7；

Fig. 9 is the cooperation schematic diagram of the invention housing and shield；

Figure 10 is the partial enlarged view of the invention Fig. 9；

Figure 11 is the cooperation schematic diagram of the invention shell and electricity behaviour's attachment.

Specific embodiment

Below in conjunction with the embodiment that attached drawing 1 to 11 provides, the multi-functional of the device for switching of the invention is further illustrated The specific embodiment of shield.The multi-functional shield of the device for switching of the invention is not limited to the following description.

As shown in figures 1 to 6, the multi-functional shield of the invention includes shell 1 and the wiring that 1 both ends of shell are arranged in Terminal 4 further includes that 1 both ends of shell are arranged in be equipped with overhead kick through-hole 30 for blocking the shield 2 of connecting terminal 4, shield 2, The overhead kick part 3 connecting with shell 1 is equipped in overhead kick through-hole 30, overhead kick part 3 includes the bullet connecting with the hole wall of overhead kick through-hole 30 Property portion 31 and be separately positioned on the lever 32 at 31 both ends of elastic portion and fasten overhead kick 33, fasten overhead kick 33 and shell 1 and be clamped Cooperation, lever 32 stretches out outside shield 2 to be pushed for artificial, and lever 32, which is able to drive, fastens that overhead kick 33 is separate or clamping shell 1, it prevents from fastening overhead kick 33 during mounting and dismounting shield 2 and shell 1 is interfered, unclamped again after shield 2 is installed in place Lever 32, which makes to fasten overhead kick 33, to be snapped on shell 1 and is mounted together shield 2 and shell 1, or is left and shell in shield 2 Unclamping again operation handle 32 after 1 contact surface being engaged by clamping reduces the difficulty of disassembly shield 2, not only mounts and dismounts shield 2 all It is very convenient, and shield 2 connect more reliable by overhead kick part 3 with shell 1, is not susceptible to deformation and fracture, process stabilizing Property is also more preferable.

Further, the outside of the shield 2 is equipped with the operation instruction mark 21 for being used to indicate 32 moving direction of lever, behaviour Making sign 21 can prevent from pushing lever 32 in reverse direction, improve the efficiency of installing and dismounting and the experience using operation. The groove of the preferably arrowhead form of operation instruction mark 21, naturally it is also possible to be the directive groove of other tools or protrusion, all belong to In the protection scope of the invention.

As seen in figs. 5-6, the shield 2 is equipped with the packing plate 22 for avoiding electricity behaviour's attachment 23, and packing plate 22 passes through Multiple hollow outs and broken connection strap 221 is connect with shield 2, when needing to install electricity behaviour's attachment 23 on shell 1, fracture connection Item 221 can remove packing plate 22 to avoid electricity behaviour's attachment 23, be installed on shell 1 (Figure 11) convenient for electricity behaviour's attachment 23, such as It does not need to install electricity behaviour's attachment 23 additional on shell body 1, packing plate 22 can play the role of protective switch electric appliance again, take into account and be not required to Electricity behaviour's attachment conventional products are installed and need to install the installation requirements of electricity behaviour's accessory product, and are needing to fracture to dispense plate 22 When can with direct convenience be fractureed again will dispense plate 22 and be removed from top plate 27.Electricity behaviour's attachment can be leakage tripping device, remote Journey buckle releaser, under-voltage over-voltage buckle releaser etc..

As Figure 7-8, the inside of the shield 2 is corresponding is equipped with electric arc baffle 24, electric arc around overhead kick through-hole 30 Baffle 24 can prevent the electric arc in device for switching from running out of shield 2 along overhead kick through-hole 30, play the role of arc protection, avoid down It hooks at the position of part 3 and security risk occurs, improve the safety of device for switching.Electric arc baffle 24 and overhead kick part 3 preferably with shield 2 Integrated injection molding does not need individually to process, and has the characteristics that easy to process, at low cost.

As shown in figs. 9-10, the shell 1 is equipped with the lead sealing inserts 25 that cooperate with shield 2, on shield 2 equipped with The inserts through-hole 250 that lead sealing inserts 25 cooperates, one end of lead sealing inserts (25) are fixedly connected with shield (2), lead sealing inserts (25) The other end be equipped with lead seal hole (251) and pass through inserts through-hole (250) and reach the outsides of shield (2), the lead sealing line for lead sealing (such as steel wire) can pass through lead seal hole 251 and lock lead sealing inserts 25 in shield 2, prevent from shield 2 leaving lead sealing inserts 25, play the function of preventing disassembly.Certainly, place of the device for switching with tamper function is not being needed, lead can also be not provided with Seal inserts 25.

Specifically, refering to a kind of specific embodiment of overhead kick part show Fig. 5-8 3, the elastic portion 31 of the overhead kick part 3 at "U" shaped comprising two are arranged in the elastic arm 35 that lateral shell 1 extends in shield 2, and are connected in elastic arm 35 The other end of the linking arm 36 of one end, elastic arm 35 is fixedly connected with the hole wall of overhead kick through-hole 30, the lever 32 and fastening Overhead kick 33 is separately positioned on the two sides of linking arm 36, and lever 32 passes through overhead kick through-hole 30 and reaches outside shield 2.Pass through setting " U " The elastic portion 31 of font, and lever 32 and fastening overhead kick 33 are separately positioned on two of the linking arm 36 in the middle part of elastic portion 31 Side has the characteristics that technology stability is high, intensity is high, compact-sized.Certainly, the elastic portion 31 can also at " V " font, The other shapes such as " W " font, belong to the protection scope of the invention.Preferably, elastic portion 31, which can be, remains band It is dynamic to fasten overhead kick 33 to the movement of shell 1, when needing to mount and dismount shield 2, overhead kick is fastened by pushing lever 32 to drive 33 far from shell 1.

Further, the lever 32 is at " Z " font comprising is located between two elastic arms 35 and connects with linking arm 36 The connection handle 321 connect, the bending stretching out the pushing handle 322 outside shield 2 and being connected between connection handle 321 and pushing handle 322 Handle 323, bending handle 323 form evacuation shell 1 to the direction bending far from shell 1 between bending handle 323 and pushing handle 322 Avoiding space, not only can be improved the elasticity of lever 32 by bending handle 323, reduce lever 32 and fatigue and fracture occur The problem of, and can also avoid interfering with shell 1 when pushing lever 32, it can either guarantee that pushing course is smooth and not block It is stagnant, and it is capable of the structure of compact overhead kick part 3, avoid 3 volume of overhead kick part is excessive electric arc is caused to be gone to outside shield 2 from overhead kick through-hole 30 The problem of.

Further, the elastic arm 35 is at " L " font comprising the horizontal side arm 351 of elasticity that one end is connect with shield 2, Elastic longitudinal side arm 352 that one end is connect with linking arm 36 and it is connected to the horizontal side arm 351 of elasticity and elasticity longitudinal side arm 352 is another The elastic bending arm 353 at end, the horizontal side arm 351 of elasticity are vertically arranged with elastic longitudinal side arm 352, and in the horizontal side arm 351 of elasticity and bullet Property longitudinal side arm 352 between formed and enter space 354, shell 1 be equipped with reach into space 354 with fasten overhead kick 33 and cooperate Fixation step 34, have the characteristics that it is compact-sized and cooperate it is reliable,

Further, the pushing handle 322 of the lever 32 is equipped with pressing protrusion 324 and multiple pressing grooves 325, presses Belling 324 and pressing groove 325 can be improved frictional force when artificial promotion lever 32, even if the contact surface ratio of lever 32 It is smaller, it can also reliably be pushed by pressing groove 325, meet ergonomics, can be improved usage experience, pressing groove 325 It is preferred that being oppositely arranged with operation instruction mark 21, the person of being more convenient to operate understands, has the characteristics that concise.

Refering to a kind of specific embodiment of electric arc baffle show Fig. 4-5 24, the electric arc baffle 24 includes being oppositely arranged First baffle 241 in 3 side of overhead kick part, shell 1 is equipped with the fixation step 34 cooperated with 3 other side of overhead kick part, first The both ends of baffle 241 are respectively equipped with second baffle 242 and third baffle 243 with the cooperation of remaining two sides of overhead kick part 3, in second gear The evacuation opening 244 for avoiding fixed step 34 is formed between plate 242 and third baffle 243.By 24 3 face ring of electric arc baffle around Around overhead kick part 3, electric arc can be effectively prevent to be run out of outside shield 2 from overhead kick through-hole 30.

Further, the middle part of the first baffle 241 forms evacuation overhead kick part 3 to the convex folding in side far from overhead kick part 3 The upper escape groove 245 for fastening overhead kick 33 can avoid interference with while improving arc blocking effect and fasten overhead kick 33.Preferably, institute 243 l-shaped of third baffle is stated, one end of third baffle 243 is connect with one end of first baffle 241, the other end and second baffle Evacuation opening 244 is formed between 242, can further increase the effect of arc blocking.

Refering to fig. 1-3, the device for switching of the present embodiment is mold cased circuit breaker, is equipped in shell 1 and matches with connecting terminal 4 The contact mechanism of conjunction, and the handle 5 with contact mechanism cooperation, breaker access circuit by connecting terminal 4, and handle 5 can Accessed circuit is connected and disconnected with dynamic contact mechanism.In addition, shell 1 is usually additionally provided with tripping protection mechanism, tripping protection Mechanism can realize protection by band dynamic contact mechanism disconnecting circuit when circuit breaks down, and protect it is of course also possible to be not provided with tripping Mechanism is protected, the protection scope of the invention is belonged to.It is respectively provided at the both ends of shell 1 and accommodates connecing for connecting terminal 4 Wire casing 40 is equipped with the fixation step 34 cooperated with fastening overhead kick 33, by directly utilizing wiring on the inner sidewall of connecting groove 40 The side wall of slot 40 is arranged fixed step 34 and does not need additional processing others structure with the cooperation of overhead kick part 3, simple with structure, Compact and at low cost feature.

Refering to Fig. 2,5-8, the shield 2 is at " L " font comprising connected side plate 26 and top plate 27, top plate 27 block In the top of connecting groove 40, side plate 26 is blocked in the side of connecting groove 40, is equipped on side plate 26 and is cooperated with connecting terminal 4 Avoid holes 261, ventilation hole 262 are equipped with the partition extended to the side of 40 side wall of connecting groove between side plate 26 and top plate 27 263, it is equipped with the septalium 264 for accommodating partition 263 on the side of 40 side wall of connecting groove, is equipped with card slot 265 in septalium 264, It being equipped on partition 263 and reaches the limited post 266 for limiting cooperation in card slot 265, limited post 266 is arranged in parallel with overhead kick part 3, and And the outer diameter of limited post 266 is greater than the internal diameter of septalium 264 and is limited with the direction perpendicular to overhead kick part 3 to shield 2.Partition 263 On the basis of setting plays buffer action between connecting terminal 4, it can not only cooperate with septalium 264 and play assembly guiding Effect, but also can be cooperated by limited post 266 and card slot 265 and shield 2 is limited with the direction perpendicular to overhead kick part 3, It is fixed on shield 2 on shell 1 under the action of two verticals, has the characteristics that connection is reliable.

Further, the shell 1 includes pedestal 11 and the housing 12 for being mounted on 11 top of pedestal, the top side of housing 12 Equipped with the connector 13 being connect with pedestal 11, and the lead sealing inserts 25 cooperated with top plate 27, it is equipped on top plate 27 and lead sealing The inserts through-hole 250 that inserts 25 cooperates, overhead kick part 3 and inserts through-hole 250 are separately positioned on the two sides of top plate 27, pass through shield 2 Shield 2 is locked by lead sealing inserts 25 again after pushing down connector 13, shield 2 is made to realize the function of 1 tamper of shell, Mei Geding The overhead kick part 3 and an inserts through-hole cooperated with lead sealing inserts 25 on shell 1 that one connect with shell 1 are equipped on plate 27 250, top plate 27 is equipped with the operation instruction mark 21 for being used to indicate 32 moving direction of lever in the side of overhead kick part 3；Top plate 27 Two sides be respectively equipped with extension board 271, between two extension boards 271 formed "U" shaped packing slot 272, packing slot 272 Interior to be equipped with packing plate 22, the side of packing 22 side of plate is flushed with two extension boards 271, dispenses remaining three side of plate 22 It is connect respectively by the connection strap 221 of multiple hollow outs with the side wall of packing slot 272；The top side of the housing 12 is equipped with the company of receiving The connection counterbore 14 of 13 end of fitting is respectively equipped in the bottom side of extension board 271 and reaches outside connector 13 into connection counterbore 14 The baffle 273 of side.It, can not only be with packing plate 22 by the way that the packing slot 272 for accommodating packing plate 22 is arranged on top plate 27 The connection of three sides, the intensity that connect with top plate 27 of packing plate 22 is improved when not needing to fracture, and appearance is also more attractive, Have the characteristics that structure is simple, compact, it is of course also possible to which multiple overhead kick parts 3 are arranged on top plate 27, or is set on shell 1 Multiple lead sealing inserts 25 are set, the protection scope of the invention is belonged to.Connector 13 is preferably screw, naturally it is also possible to be riveting Nail etc., in addition, lead sealing inserts 25 also can be set on side plate 26, but the setting of lead sealing inserts 25 can be more preferable on top plate 27 Ground prevents top plate 27 from being tilted, to play better tamper effect.

Refering to Fig. 9-10, the top side of the housing 12 is equipped with the connection counterbore 14 for accommodating 13 end of connector, and 27 liang of top plate The extension board 271 of side reaches the top of connection counterbore 14 respectively, is respectively equipped in the bottom side of extension board 271 into connection counterbore 14 Connector 13 is reached close to the baffle 273 in the outside of shell 1, such as when connector 13 is screw, connection counterbore 14 can be used for holding Receive the nut of screw, baffle 273 reaches the outside of nut for blocking nut.

The 0 a kind of embodiment for showing lead sealing inserts 25 refering to fig. 1, the lead sealing inserts 25 is at cylindrical shape, one End reaches the top of top plate 27 and is equipped with lead seal hole 251, and the other end is equipped with into T-shaped fixed part 252, sets on housing 12 There is the fixing groove 253 being engaged by clamping with fixed part 252, it is by the way that fixed part 252 is caught in fixing groove 253 that lead sealing inserts 25 is fixed On shell 1.Preferably, fixing groove 253 preferably cooperates with the end of fixed part 252 and lead sealing inserts 25 at " I " font simultaneously, It can be improved the bonding strength of housing 12 Yu lead sealing inserts 25.

It, cannot the above content is combining specific preferred embodiment to be further described to made by the invention Assert that the specific implementation of the invention is only limited to these instructions.For the ordinary skill of the invention technical field For personnel, without departing from the concept of the premise of the invention, a number of simple deductions or replacements can also be made, should all regard For the protection scope for belonging to the invention.

Claims (10)

1. a kind of multi-functional shield of device for switching, it is characterised in that: including shell (1) and be arranged at shell (1) both ends Shield (2) is equipped with overhead kick through-hole (30) on shield (2), and the overhead kick part connecting with shell (1) is equipped in overhead kick through-hole (30) (3), overhead kick part (3) includes the elastic portion (31) connecting with the hole wall of overhead kick through-hole (30) and is separately positioned on elastic portion (31) The lever (32) and fastening overhead kick (33) at both ends, fasten overhead kick (33) and shell (1) and are engaged by clamping, and lever (32), which stretches out, to be protected Cover that (2) are external, and lever (32) is able to drive fastens that overhead kick (33) separate or clamping shell (1).

2. the multi-functional shield of device for switching according to claim 1, it is characterised in that: the shield (2), which is equipped with, to be used In the packing plate (22) of evacuation electricity behaviour attachment (23), packing plate (22) passes through multiple broken connection straps (221) and shield (2) Connection.

3. the multi-functional shield of device for switching according to claim 1, it is characterised in that: the inside of the shield (2) is right Electric arc baffle (24) should be equipped with around overhead kick through-hole (30).

4. the multi-functional shield of device for switching according to claim 1, it is characterised in that: the shell (1) be equipped with The lead sealing inserts (25) of shield (2) cooperation, is equipped with the inserts through-hole (250) cooperated with lead sealing inserts (25), lead on shield (2) One end of envelope inserts (25) is fixedly connected with shield (2), and the other end of lead sealing inserts (25) is equipped with lead seal hole (251) and passes through embedding Part through-hole (250) reaches the outside of shield (2).

5. the multi-functional shield of device for switching according to claim 1, it is characterised in that: the elasticity of the overhead kick part (3) Portion (31) is at "U" shaped comprising two are arranged in shield (2) elastic arm (35) that lateral shell (1) extends, and connection Elastic arm (35) one end linking arm (36), the hole wall of the other end of elastic arm (35) and overhead kick through-hole (30) is fixed to be connected It connects, the lever (32) and fastens overhead kick (33) and be separately positioned on the two sides of linking arm (36).

6. the multi-functional shield of device for switching according to claim 5, it is characterised in that: the lever (32) is at " Z " Font comprising be located at the connection handle (321) connecting between two elastic arms (35) with linking arm (36), stretch out shield (2) outside Pushing handle (322) and the bending handle (323) that is connected between connection handle (321) and pushing handle (322), bending handle (323) To the direction bending far from shell (1), the evacuation that evacuation shell (1) is formed between bending handle (323) and pushing handle (322) is empty Between；The elastic arm (35) is at " L " font comprising the horizontal side arm (351) of elasticity, one end and the company that one end is connect with shield (2) It connects the elastic longitudinal side arm (352) of arm (36) connection and is connected to the horizontal side arm (351) of elasticity and elastic longitudinal side arm (352) other end Elastic bending arm (353), the horizontal side arm (351) of elasticity and elastic longitudinal side arm (352) be vertically arranged, and in elastic horizontal side arm (351) it is formed between elastic longitudinal side arm (352) and enters space (354), shell (1), which is equipped with, to be reached into space (354) With the fixation step (34) for fastening overhead kick (33) cooperation.

7. the multi-functional shield of device for switching according to claim 3, it is characterised in that: the electric arc baffle (24) includes It is oppositely arranged on the first baffle (241) of overhead kick part (3) side, shell (1) is equipped with to be consolidated with what overhead kick part (3) other side cooperated Determine step (34), is respectively equipped with the second baffle with the cooperation of overhead kick part (3) remaining two sides at the both ends of first baffle (241) (242) and third baffle (243) it, is formed between second baffle (242) and third baffle (243) and avoids fixed step (34) Evacuation opening (244).

8. the multi-functional shield of device for switching according to claim 1, it is characterised in that: distinguish at the both ends of shell (1) Connecting groove (40) equipped with connecting terminal (4) and for accommodating the connecting terminal (4) on the shell (1), in connecting groove (40) inner sidewall is equipped with the fixation step (34) with fastening overhead kick (33) cooperation.

9. the multi-functional shield of device for switching according to claim 8, it is characterised in that: the shield (2) is at " L " word Shape comprising connected side plate (26) and top plate (27), top plate (27) are blocked in the top of connecting groove (40), and side plate (26) blocks In the side of connecting groove (40), between side plate (26) and top plate (27) be equipped with extend to the side of connecting groove (40) side wall every Plate (263), is equipped with the septalium (264) for accommodating partition (263) on the side of connecting groove (40) side wall, and septalium (264) is interior Equipped with card slot (265), the limited post (266) for reaching limit cooperation in card slot (265), limited post are equipped on partition (263) (266) it is arranged in parallel with overhead kick part (3), and the outer diameter of limited post (266) is greater than the internal diameter of septalium (264) perpendicular to The direction for hooking part (3) limits shield (2).

10. the multi-functional shield of device for switching according to claim 9, it is characterised in that: the shell (1) includes pedestal (11) and the housing (12) that is mounted on above pedestal (11), the top side of housing (12) are equipped with the connector connecting with pedestal (11) (13), the lead sealing inserts (25) and with top plate (27) cooperated, it is embedding equipped with cooperating with lead sealing inserts (25) on top plate (27) Part through-hole (250), overhead kick part (3) and inserts through-hole (250) are separately positioned on the two sides of top plate (27), and top plate (27) is in overhead kick part (3) side is equipped with the operation instruction mark (21) for being used to indicate lever (32) moving direction；Distinguish the two sides of top plate (27) Equipped with extension board (271), the packing slot (272) of "U" shaped is formed between two extension boards (271), in packing slot (272) Equipped with packing plate (22), the side of packing plate (22) side is flushed with two extension boards (271), packing plate (22) remaining three Side is connect by the connection strap (221) of multiple hollow outs with the side wall of packing slot (272) respectively；The top side of the housing (12) is set There is the connection counterbore (14) of receiving connector (13) end, is respectively equipped in the bottom side of extension board (271) to connection counterbore (14) In reach baffle (273) on the outside of connector (13).