CN107101379A - A kind of electric heater equipment - Google Patents

Abstract

The invention discloses a kind of electric heater equipment, including electricity-supply seat and hanging body, the first movable cabin is provided with electricity-supply seat, bottom is provided with and connects loose slot in first movable cabin, the first screw rod set in first movable cabin provided with left and right elongation, first screw rod left-hand end is connected with the first electricity favourable turn, threaded engagement is connected with the first movable block on first screw rod, the first loose slot is provided with first movable block, in first loose slot motion bar is connected provided with what left and right elongation was set, connect motion bar activity and be connected with the second movable block, second movable block bottom, which is headed into, to be connected in loose slot and activity mating connection, the second movable cabin is provided with second movable block, the 3rd movable block is provided with second movable cabin, 3rd movable block bottom is provided with the first spring, 3rd movable block bottom is provided with the crowded movable block that pushes away of coherent second movable block bottom end face, squeeze to push away movable block bottom and be provided with and connected portion, portion bottom is connected provided with deflecting roller；The present invention is simple in construction, easy to operate, and can work power supply grafting and installation and removal convenience automatically, and safe.

Description

A kind of electric heater equipment

Technical field

The present invention relates to electric heater technical field, specifically a kind of electric heater equipment.

Background technology

As the improvement of people's living standards, people more and more begin to use electric heater, electric heater is generally pacified Mounted in toilet, kitchen and other places, therefore the Electrical Safety of electric heater is particularly important, during traditional electrical water heater electric generally all It is manual grafting, it is impossible to which realization automatically controls operation, there is grafting by the manual grafting of personnel exerts oneself uneven to cause to use dateline Damage, while causing electric shock accidents in the presence of electric arc is easily produced in plug, there is great potential safety hazard, and tradition By way of manual grafting there is also connecting unstable phenomenon, and function is single.

The content of the invention

The technical problems to be solved by the invention are to provide a kind of electric heater equipment, and it can solve the problem that above-mentioned present technology Middle the problem of.

The present invention is achieved through the following technical solutions：A kind of electric heater equipment of the present invention, including electricity-supply seat And hanging body, bottom in the first movable cabin, first movable cabin is provided with the electricity-supply seat described provided with loose slot is connected The first screw rod set in first movable cabin provided with left and right elongation, the first screw rod left-hand end connects with the first electricity favourable turn Connect, threaded engagement, which is connected with the first movable block, first movable block, on first screw rod is provided with the first loose slot, institute State in the first loose slot and to connect motion bar provided with what left and right elongation was set, it is described to connect motion bar activity and be connected with the second work Motion block, the second movable block bottom head into it is described connect in loose slot and activity is connected, set in second movable block Have and the 3rd movable block is provided with the second movable cabin, second movable cabin, the 3rd movable block bottom is provided with the first spring, institute State the 3rd movable block bottom and be provided with the crowded of the second movable block bottom end face of linking up and push away movable block, described squeeze pushes away movable block bottom Provided with the portion that connected, the company is risen in the electricity-supply seat that portion bottom is provided with the right side of deflecting roller, first movable cabin provided with variation Chamber, the variation intracavitary is provided with the first steering spindle for extending and setting towards left side, is fixed with snail on first steering spindle is cylindrical Vertical edge elongation in the electricity-supply seat above worm gear, the variation chamber is connected with front side of bar, the worm screw to live provided with the 3rd The second screw rod set is extended in dynamic storehouse, the 3rd movable cabin provided with vertical edge, the second screw rod bottom is provided with second Threaded engagement is connected with ups and downs movable block on steering spindle, second screw rod, and the ups and downs movable block left side top end face is set There are link up at the top of the ups and downs bar for protruding upward setting, the ups and downs bar electricity-supply seat and activity mating connection, the ups and downs bar Top, which is fixed with to be located on the left of the warning light at the top of warning light, the electricity-supply seat, is provided with handle.

Extension first movable cabin that links up changes with described on the left of further technical scheme, first steering spindle In the electricity-supply seat between chamber, and elongation caudal and elongation caudal on the right side of first screw rod on the left of first steering spindle It is fixedly connected.

Further technical scheme, the institute that second steering spindle links up between the 3rd movable cabin and the variation chamber State in electricity-supply seat, the second steering spindle bottom caudal is fixedly connected with the worm gear.

It is provided with further technical scheme, the electricity-supply seat left end face in keyholed back plate groove, the keyholed back plate groove provided with entering outside Electric end, the electricity-supply seat its right end face is equal up and down to be provided with suspension rod.

Further technical scheme, the hanging body the left end face equal company's of the hanging part being provided with, the company's of hanging part up and down The hanging above right side is provided with activity in sealed groove, the sealed groove and is connected with sealed movable block, the lock in vivo Close to be provided with loose slot, the loose slot in movable block and fixed respectively with both sides inwall above and below the sealed groove provided with upper and lower ends Connecting for connection is provided with iron plate in movable post, the sealed movable block its right end face, the relative sealed groove of the iron plate is right It is provided with the inwall of side on the right side of electrical induction device, the sealed movable block its right end face and the sealed groove and is provided with second between inwall Spring.

Further technical scheme, it is described to connect bottom on the right side of loose slot and be provided with slope casting lug thereon.

Further technical scheme, the second movable block its right end face connected in loose slot is provided with into being electrically connected Head, it is described enter be electrically connected relative described of head connect on the right side of loose slot place provided with it is interior enter electric end, it is described enter be electrically connected head with it is described outside enter Electric end is electrically connected.

The beneficial effects of the invention are as follows：

1. by setting the first screw rod that left and right elongation is set in the first movable cabin, the first screw rod left-hand end turns with the first electricity Machine is connected, and threaded engagement connects in the electricity-supply seat on the right side of the first movable block, the first movable cabin and sets variation chamber on the first screw rod, is become Dynamic intracavitary sets the first steering spindle for extending and setting towards left side, and the cylindrical upper fixation of the first steering spindle, which sets to coordinate on front side of worm screw, worm screw, to be connected Connect worm gear, change vertical edge elongation in the electricity-supply seat above chamber and set and set what vertical edge elongation was set in the 3rd movable cabin, the 3rd movable cabin Second screw rod, the second screw rod bottom sets threaded engagement on the second steering spindle, the second screw rod and connects ups and downs movable block, so that Realization automatically controls operation, improves operating efficiency, reduces personnel's amount of labour.

2. by set in the first movable block set in the first loose slot, the first loose slot left and right elongation set connect activity Bar, connects motion bar activity the second movable block of mating connection, and the second movable block bottom, which is headed into, to be connected in loose slot and activity cooperation Set in connection, the second movable block and the 3rd movable block is set in the second movable cabin, the second movable cabin, the 3rd movable block bottom sets the first bullet Bar, the 3rd movable block bottom sets the crowded of coherent second movable block bottom end face and pushes away movable block, squeezes and pushes away movable block bottom and set the portion of company, The portion bottom of company sets deflecting roller, connects on the right side of loose slot and sets slope casting lug thereon on bottom, power supply is automatically controlled so as to realize Grafting is fastened, grafting tautness is improved.

3. connecting ups and downs movable block by threaded engagement on the second screw rod, ups and downs movable block left side top end face is set upwards Coherent electricity-supply seat and activity mating connection at the top of the ups and downs bar that elongation is set, ups and downs bar, ups and downs bar top are fixed and set warning light, from And realize the automatic ups and downs work of warning light, convenient observation during electricity consumption, during not electricity consumption can with automatic hidden, reduce space-consuming with And unexpected touching causes to damage.

4. set in vivo by hanging the hanging above on the right side of the body left end face equal company's of the hanging part set up and down, the company's of hanging part Set in sealed groove, sealed groove in the sealed movable block of activity mating connection, sealed movable block in loose slot, loose slot and set upper and lower ends Connecting in movable post, sealed movable block its right end face for being fixedly connected respectively with both sides inwall above and below sealed groove sets iron plate, iron plate Set on the right side of relative sealed groove in inwall and set the on the right side of electrical induction device, sealed movable block its right end face and sealed groove between inwall Two springs, automatically control locking and unlock, be easy for installation and removal so as to realize.

5. the present invention is simple in construction, easy to operate, with function is indicated, can work power supply grafting and peace installation and dismantling automatically Unload conveniently, and it is safe.

Brief description of the drawings

For ease of explanation, the present invention is described in detail by following specific embodiment and accompanying drawing.

Fig. 1 is electricity-supply seat internal structure schematic diagram of the invention；

Fig. 2 is hanging body internal structure schematic diagram of the invention；

Structural representation when Fig. 3 is connected for the suspension rod and the company's of hanging part of the present invention；

Structural representation when Fig. 4 locks for a kind of electric heater equipment of the present invention；

Structural representation when Fig. 5 offsets for the deflecting roller of the present invention with inclined-plane on the left of slope casting lug thereon；

Structural representation when Fig. 6 offsets for the deflecting roller of the present invention with end face at the top of slope casting lug thereon；

Structural representation when Fig. 7 electrically connects for a kind of electric heater equipment of the present invention；

Fig. 8 is the right view of the electricity-supply seat of the present invention.

Embodiment

As Figure 1-Figure 8, a kind of electric heater equipment of the invention, including electricity-supply seat 6 and hanging body 7, it is described enter Provided with the first movable cabin 64 in electric seat 6, bottom is provided with and connects loose slot 65, first movable cabin in first movable cabin 64 The first screw rod 641 set in 64 provided with left and right elongation, the left-hand end of the first screw rod 641 connects with the first electricity favourable turn 642 Connect, threaded engagement, which is connected with the first movable block 643, first movable block 643, on first screw rod 641 is provided with first Loose slot 6431, connects motion bar 644 in first loose slot 6431 provided with what left and right elongation was set, described to connect motion bar 644 activities are connected with the second movable block 645, the bottom of the second movable block 645 head into it is described connect in loose slot 65 and Activity is connected, and is provided with second movable block 645 in second movable cabin 6451, second movable cabin 6451 provided with the Three movable blocks 646, the bottom of the 3rd movable block 646 is provided with the first spring 6452, and the bottom of the 3rd movable block 646 is provided with company Pass through the crowded of the bottom end face of the second movable block 645 and push away movable block 647, described squeeze pushes away the bottom of movable block 647 provided with having connected portion 6471, the company rises in the electricity-supply seat 6 that the bottom of portion 6471 is provided with the right side of deflecting roller 6472, first movable cabin 64 and is provided with Chamber 63 is changed, it is described to change outside the first steering spindle 633 for being provided with chamber 63 and extending and setting towards left side, first steering spindle 633 It is fixed with circle on front side of worm screw 632, the worm screw 632 and is connected with worm gear 631, is entered described in the top of variation chamber 63 Vertical edge elongation is provided with the second spiral for extending and setting provided with vertical edge in the 3rd movable cabin 62, the 3rd movable cabin 62 in electric seat 6 Bar 621, the bottom of the second screw rod 621 is provided with threaded engagement connection on the second steering spindle 625, second screw rod 621 There is ups and downs movable block 622, the left side top end face of ups and downs movable block 622 is provided with the ups and downs bar 623 for protruding upward setting, described The coherent electricity-supply seat 6 in the top of ups and downs bar 623 and activity mating connection, the top of ups and downs bar 623 is fixed with warning light 624, the top of the electricity-supply seat 6 is located at the left side of warning light 624 and is provided with handle 602, the handle 602 be used for it is convenient install and Dismantle the electricity-supply seat 6.

Wherein, the left side extension of the first steering spindle 633 link up first movable cabin 64 with it is described variation chamber 63 it Between the electricity-supply seat 6 in, and the left side of first steering spindle 633 elongation caudal extends with the right side of the first screw rod 641 Caudal is fixedly connected.

Wherein, second steering spindle 625 link up the 3rd movable cabin 62 and it is described change between chamber 63 it is described enter In electric seat 6, the bottom caudal of the second steering spindle 625 is fixedly connected with the worm gear 631, so as to realize that transmission is connected.

Wherein, it is provided with to be provided with keyholed back plate groove 61, the keyholed back plate groove 61 in the left end face of electricity-supply seat 6 and enters electric end 611 outside, Its right end face of electricity-supply seat 6 is equal up and down to be provided with suspension rod 601.

Wherein, above on the right side of hanging body 7 left end face equal company of the hanging part 73 being provided with up and down, company of the hanging part 73 The hanging body 7 in be provided with sealed groove 71, activity is connected with sealed movable block 72 in the sealed groove 71, described sealed Loose slot 721 is provided with movable block 72, the loose slot 721 is interior, and about 71 both sides with the sealed groove respectively provided with upper and lower ends What inwall was fixedly connected connects in movable post 723, the sealed its right end face of movable block 72 provided with iron plate 722, the iron plate 722 Be provided with electrical induction device 712 in the relative sealed right side inwall of groove 71, the sealed its right end face of movable block 72 with it is described The second spring 711 is provided between the sealed right side inwall of groove 71, locking is automatically controlled so as to realize and unlocks, convenient peace installation and dismantling Unload.

Wherein, the interior bottom in the right side of loose slot 65 that connects is provided with slope casting lug thereon 651.

Wherein, its right end face of the second movable block 645 connected in loose slot 65 is provided with into being electrically connected first 6453, It is described enter the first 6453 relative right side of loose slot 65 places that connect that are electrically connected enter electric end 652 provided with, it is described to enter to be electrically connected first 6453 With it is described it is outer enter electric end 611 it is electrically connected, so as to realize the safe power supply connection for entering electric end 611 outside, improve security.

During original state, the first movable block 643 is located at the left-most position of the first movable cabin 64, and the second movable block 645 is located at The left-most position of first loose slot 6431, now, the 3rd movable block 646 are made the 3rd work by the pressure on top surface of the first spring 6452 Motion block 646 is located at the lowest position of the second movable cabin 6451, meanwhile, the 3rd movable block 646, which drives to squeeze, pushes away the bottom of movable block 647 Company play portion 6471 and at utmost head into and connect in loose slot 65, deflecting roller 6472 is offseted with connecting bottom in loose slot 65 Connect, now, deflecting roller 6472 at utmost away from slope casting lug thereon 651, meanwhile, ups and downs movable block 622 be located at the 3rd activity The lowest position in storehouse 62, now, at utmost in the movable cabin 62 of retraction the 3rd and top of ups and downs bar 623 is carried ups and downs bar 623 Show that lamp 624 is fully located in the top end face of electricity-supply seat 6, meanwhile, elastic force court of the sealed movable block 72 by the second spring 711 Left side activity, until the right side inwall of loose slot 721 is abutted against with connecting the movable its right end face of post 723, now, sealed movable block 72 left side sections are at utmost stretched out outside the left end face of hanging body 7.

When needing to install, first by electric on electrical induction device 712, make to produce between electrical induction device 712 and iron plate 722 Raw suction, makes sealed movable block 72 overcome the elastic force of the second spring 711 to be moved towards right side, until the inner left wall of loose slot 721 Abutted against with connecting the movable left end face of post 723, now, the sealed left end face of movable block 72 is same with the hanging left end face of body 7 One vertical plane as shown in figure 3, then by electricity-supply seat 6 be moved to hanging body 7 left side above, make above and below both sides the bottom of suspension rod 601 Portion is located at the over top relative position that even part 73 is hung in both sides up and down respectively, then moves down electricity-supply seat 6, make above and below both sides Suspension rod 601 respectively clamping enter above and below both sides the company's of hanging part 73 in, now, control electrical induction device 712 power off, make sealed movable block 72 by the second spring 711 elastic force towards left side activity, until making the right side inwall of loose slot 721 and to connect movable post 723 right Side end face is abutted against, now, and the sealed left side section of movable block 72 is at utmost stretched out outside the left end face of hanging body 7 and sealed activity The left end face of block 72 is abutted against with its right end face of the upper left electricity-supply seat of suspension rod 601 6, and now installation is as shown in Figure 4；

When needing electricity consumption, plug is fixedly connected with entering electric end 611 outside first, then made a connection 642 controls the by the first electricity One screw rod 641 is rotated, and the worm screw 632 in the first steering spindle 633 and the first steering spindle 633 is driven by the first screw rod 641 Rotate, and driven by worm screw 632 in the second steering spindle 625 and the second steering spindle 625 on worm gear 631 and worm gear 631 the Two screw rods 621 are rotated, and ups and downs movable block 622 is driven along the 3rd activity upwards of movable cabin 62 by the second screw rod 621, while by First screw rod 641 drives the first movable block 643 to be moved along the right direction of the first movable cabin 64, until deflecting roller as shown in Figure 5 6472 abut against activity with slope casting lug thereon 651, now, and deflecting roller 6472, which drives to squeeze to push away movable block 647 and squeeze, pushes away activity 3rd movable block 646 at the top of block 647 overcomes the elastic force of the first spring 6452 interior mobile towards the top of the second movable cabin 6451, together When, the warning light 624 of the top extension of ups and downs bar 623 and the roof caudal of ups and downs bar 623 is stretched out outside the top end face of electricity-supply seat 6, Until when deflecting roller 6472 as shown in Figure 6 is moved to the 651 top end face activity mating connection of slope casting lug thereon, now, continuing Being made a connection by the first electricity 642 controls the first screw rods 641 to rotate, meanwhile, the second screw rod 621 drive ups and downs movable block 622 with And the ups and downs bar 623 on ups and downs movable block 622 is continued to move up, until its right end face of the first movable block 643 as shown in Figure 7 with The right side inwall of first movable cabin 64 is abutted against, and now, ups and downs movable block 622 is moved to the top position of the 3rd movable cabin 62, Meanwhile, ups and downs bar 623 is at utmost stretched out outside the top end face of electricity-supply seat 6, and now, deflecting roller 6472 is moved to slope casting lug thereon At 651 right sides inclined-plane, by the pressure on top surface of the first spring 6452, make the 3rd movable block 646 along the bottom side of the second movable cabin 6451 To activity, pushed away movable block 647 by squeezing and driven deflecting roller 6472 movable downwards along the right side inclined-plane of slope casting lug thereon 651, now, squeezed Push away movable block 647 and drive the second movable block 645 along the activity of the right direction of motion bar 644 is connected, until in the first loose slot 6431 Its right end face of the second movable block 645 abutted against with the right side inwall of the first loose slot 6431, connect in loose slot 65 second live Its right end face of motion block 645 is abutted against with connecting the right side inwall of loose slot 65, now, is made by the activity of deflecting roller 6472 into being electrically connected Enter in first 6453 moment insertion in electric end 652, complete power supply and be connected.

The beneficial effects of the invention are as follows：

1. by setting the first screw rod that left and right elongation is set in the first movable cabin, the first screw rod left-hand end turns with the first electricity Machine is connected, and threaded engagement connects in the electricity-supply seat on the right side of the first movable block, the first movable cabin and sets variation chamber on the first screw rod, is become Dynamic intracavitary sets the first steering spindle for extending and setting towards left side, and the cylindrical upper fixation of the first steering spindle, which sets to coordinate on front side of worm screw, worm screw, to be connected Connect worm gear, change vertical edge elongation in the electricity-supply seat above chamber and set and set what vertical edge elongation was set in the 3rd movable cabin, the 3rd movable cabin Second screw rod, the second screw rod bottom sets threaded engagement on the second steering spindle, the second screw rod and connects ups and downs movable block, so that Realization automatically controls operation, improves operating efficiency, reduces personnel's amount of labour.

2. by set in the first movable block set in the first loose slot, the first loose slot left and right elongation set connect activity Bar, connects motion bar activity the second movable block of mating connection, and the second movable block bottom, which is headed into, to be connected in loose slot and activity cooperation Set in connection, the second movable block and the 3rd movable block is set in the second movable cabin, the second movable cabin, the 3rd movable block bottom sets the first bullet Bar, the 3rd movable block bottom sets the crowded of coherent second movable block bottom end face and pushes away movable block, squeezes and pushes away movable block bottom and set the portion of company, The portion bottom of company sets deflecting roller, connects on the right side of loose slot and sets slope casting lug thereon on bottom, power supply is automatically controlled so as to realize Grafting is fastened, grafting tautness is improved.

3. connecting ups and downs movable block by threaded engagement on the second screw rod, ups and downs movable block left side top end face is set upwards Coherent electricity-supply seat and activity mating connection at the top of the ups and downs bar that elongation is set, ups and downs bar, ups and downs bar top are fixed and set warning light, from And realize the automatic ups and downs work of warning light, convenient observation during electricity consumption, during not electricity consumption can with automatic hidden, reduce space-consuming with And unexpected touching causes to damage.

4. set in vivo by hanging the hanging above on the right side of the body left end face equal company's of the hanging part set up and down, the company's of hanging part Set in sealed groove, sealed groove in the sealed movable block of activity mating connection, sealed movable block in loose slot, loose slot and set upper and lower ends Connecting in movable post, sealed movable block its right end face for being fixedly connected respectively with both sides inwall above and below sealed groove sets iron plate, iron plate Set on the right side of relative sealed groove in inwall and set the on the right side of electrical induction device, sealed movable block its right end face and sealed groove between inwall Two springs, automatically control locking and unlock, be easy for installation and removal so as to realize.

5. the present invention is simple in construction, easy to operate, with function is indicated, can work power supply grafting and peace installation and dismantling automatically Unload conveniently, and it is safe.

The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any The change or replacement expected without creative work, should all be included within the scope of the present invention.Therefore, it is of the invention Protection domain should be determined by the scope of protection defined in the claims.

Claims (7)

1. a kind of electric heater equipment, including electricity-supply seat and hanging body, it is characterised in that：Provided with the first activity in electricity-supply seat Bottom extends the first screw rod set provided with loose slot, the interior left and right that is provided with of the first movable cabin is connected in storehouse, the first movable cabin, the One screw rod left-hand end is connected with the first electricity favourable turn, and threaded engagement is connected with the first movable block, the first activity on the first screw rod It is provided with block in the first loose slot, the first loose slot and connects motion bar provided with what left and right elongation was set, is connected motion bar activity and match somebody with somebody Conjunction is connected with the second movable block, and the second movable block bottom, which is headed into, to be connected in loose slot and activity mating connection, in the second movable block Provided with the second movable cabin, the 3rd movable block is provided with the second movable cabin, the 3rd movable block bottom is provided with the first spring, the 3rd activity Block bottom is provided with coherent second the crowded of movable block bottom end face and pushes away movable block, squeezes and pushes away movable block bottom provided with portion has been connected, has connected portion Bottom is provided with the electricity-supply seat on the right side of deflecting roller, the first movable cabin provided with chamber is changed, and variation intracavitary is provided with to extend towards left side and set The first steering spindle, be fixed with the first steering spindle is cylindrical on front side of worm screw, worm screw and be connected with worm gear, change above chamber Vertical edge elongation is provided with the second screw rod for extending and setting provided with vertical edge in the 3rd movable cabin, the 3rd movable cabin, second in electricity-supply seat Screw rod bottom is provided with threaded engagement on the second steering spindle, the second screw rod and is connected with the left of ups and downs movable block, ups and downs movable block Top end face is provided with coherent electricity-supply seat and activity mating connection, ups and downs bar top at the top of the ups and downs bar for protruding upward setting, ups and downs bar End, which is fixed with to be located on the left of the warning light at the top of warning light, electricity-supply seat, is provided with handle.

2. a kind of electric heater equipment according to claim 1, it is characterised in that：Extension on the left of first steering spindle In the coherent electricity-supply seat between first movable cabin and the variation chamber, and elongation caudal on the left of first steering spindle It is fixedly connected with elongation caudal on the right side of first screw rod.

3. a kind of electric heater equipment according to claim 1, it is characterised in that：Second steering spindle links up described In the electricity-supply seat between three movable cabins and the variation chamber, the second steering spindle bottom caudal is fixed with the worm gear to be connected Connect.

4. a kind of electric heater equipment according to claim 1, it is characterised in that：It is provided with the electricity-supply seat left end face Keyholed back plate groove, provided with entering electric end outside in the keyholed back plate groove, the electricity-supply seat its right end face is equal up and down to be provided with suspension rod.

5. a kind of electric heater equipment according to claim 1, it is characterised in that：In the hanging body left end face similarly hereinafter Deng the company's of the hanging part being provided with, on the right side of the company's of hanging part above the hanging be provided with activity in sealed groove, the sealed groove in vivo It is connected with sealed movable block, the sealed movable block and is provided with loose slot, provided with upper and lower ends difference in the loose slot Connecting for being fixedly connected with both sides inwall above and below the sealed groove is provided with iron in movable post, the sealed movable block its right end face Be provided with electrical induction device on the right side of piece, the relative sealed groove of the iron plate in inwall, the sealed movable block its right end face with On the right side of the sealed groove the second spring is provided between inwall.

6. a kind of electric heater equipment according to claim 1, it is characterised in that：It is described to connect bottom on the right side of loose slot It is provided with slope casting lug thereon.

7. a kind of electric heater equipment according to claim 4, it is characterised in that：It is described connect in loose slot described Two movable block its right end faces are provided with into the head that is electrically connected, it is described enter relative described of head that be electrically connected connect place on the right side of loose slot and enter provided with Electric end, it is described enter be electrically connected head with it is described it is outer enter electric end it is electrically connected.