CN110080631A - Automatically spring open electromagnetic door lock - Google Patents

Abstract

One kind automatically springing open electromagnetic door lock, and latch hook unit, sliding spacer pin unit, sliding unit and the closing piece being clamped with latch hook unit activity of upper cover are set to including pedestal, upper cover, elastic rotation；Sliding unit includes master slider, sectorial block and the second torsional spring, and sectorial block is towards heart-shaped slot is offered on the side of upper cover, and the middle part protrusion of heart-shaped slot is provided with heart-shaped block, and the one end of guide pin far from disk is movably located in heart-shaped slot；Heart-shaped block has tip, the recess portion far from tip and the shoulder positioned at recess portion two sides；Heart-shaped slot has the first limiting section, the second limiting section, third limiting section, the 4th limiting section, and the first climbing is equipped between the first limiting section and third limiting section, and the second climbing and third climbing are equipped between the 4th limiting section and the first limiting section.It so can be improved the stability of various states and can be realized smooth transition or guiding when switching between various states.

Description

Automatically spring open electromagnetic door lock

Technical field

The present invention relates to field of home appliance technology, especially one kind to automatically spring open electromagnetic door lock.

Background technique

The rotation door closure of washing machine, especially drum type brake washing machine is locked or is solved by a locking device and body of the washing machine Lock.Stability of the locking device of existing washing machine in various states such as lock state, unlocked state and transition states compared with Low, various states mutually switch the mechanism for lacking smooth transition or orientation guiding, due to lacking the structure of orientation guiding, a variety of Switching between state will appear uncertain condition, such as switches to previous state or switches to latter state.

Summary of the invention

In view of this, switching preferably and between various states the present invention provides a kind of stability in various states When can be realized smooth transition or guiding automatically spring open electromagnetic door lock, to solve the above problems.

One kind automatically springing open electromagnetic door lock, is set to upper cover including pedestal, the upper cover being oppositely arranged with pedestal, elastic rotation Towards on the side of pedestal latch hook unit, be set to upper cover towards on the side of pedestal sliding spacer pin unit, sliding set Pedestal is placed in towards the sliding unit on the side of upper cover and the closing piece with the clamping of latch hook unit activity；The first end of pedestal opens up There is the first opening, latch hook unit is at least partially situated at the first opening；On be placed on the side of latch hook unit to be provided with first sliding Slot, the two sides of first sliding groove have been provided projectingly the first limited block and the second limited block respectively, sliding spacer pin unit include disk, It is vertically provided projectingly on the positioning column, guide pin and the first spring of disk side, the side of the remotely located column of disk, which offers, leads To pin groove, guide pin groove extends to the inside of positioning column, and the first spring is located at the bottom of guide pin groove, positions post part Ground is located in guide pin groove and abuts with the first spring, and the positioning column of sliding spacer pin unit is located in first sliding groove, disk Between the first limited block and the second limited block；Sliding unit includes master slider, sectorial block and the second torsional spring, and pedestal is towards upper The side of lid offers the second sliding slot with the first open communication, and master slider is slidably disposed in second sliding slot, the second torsional spring position Between master slider and pedestal, the side of master slider towards upper cover offers fan groove, and fan groove is prominent close to the position in the center of circle It is provided with the second shaft, the depression in centre of master slider towards one end of the first opening is provided with third escape groove, and master slider is in the The both ends of three escape groove are formed with abutting block, and sectorial block offers the second axis hole close to the position in the center of circle, and the second shaft passes through fan Second axis hole of shape block, sectorial block are provided with heart towards heart-shaped slot, the middle part protrusion of heart-shaped slot is offered on the side of upper cover Block, the one end of guide pin far from disk are movably located in heart-shaped slot；Heart-shaped block has tip, the recess portion far from tip and position Shoulder in recess portion two sides；Heart-shaped slot is close to the tip of heart-shaped block and one end far from recess portion has the first limiting section, heart-shaped slot It is equipped with the second limiting section in the outside of the recess portion of heart-shaped block, heart-shaped slot is equipped with third in the outside of one of shoulder of heart-shaped block Limiting section, heart-shaped slot are equipped with the 4th limiting section in the outside of another shoulder of heart-shaped block, limit in the first limiting section and third It is equipped with the first climbing between portion and positioned at the outside of heart-shaped block, between the 4th limiting section and the first limiting section and is located at heart block Outside be equipped with second climbing and third climbing.

Further, the heart-shaped slot is identical in the depth of the first limiting section and the 4th limiting section, in the second limiting section Depth be less than the first limiting section or the 4th limiting section depth, third limiting section depth less than the second limiting section depth Degree；The depth of first climbing close to one end of the first limiting section towards one end close to third limiting section by being gradually reduced；Second Climbing close to one end of the 4th limiting section towards close to one end of third climbing by being gradually reduced；Third climbing close to second by climbing The one end on slope is gradually reduced towards one end close to the first limiting section.

Further, it is equipped with the first plane between the first climbing and third limiting section, climbed in the second climbing with third Between be equipped with the second plane, the depth of the second plane is identical as the depth of the second limiting section；The depth of first plane is less than third The depth of limiting section.

Further, the closing piece includes the first connecting plate and connects with the first connecting plate protruding portion connected vertically, first Several first connecting holes are offered on fishplate bar, protruding portion offers clamping groove in the middle part of one end far from the first connecting plate.

Further, the clamping groove is provided with the first smooth guide surface far from the side of the first connecting plate.

Further, the middle part of the upper cover towards the side of pedestal has been provided projectingly a pair of first connecting column relatively, the First shaft hole is offered on one connecting column, is above placed on the spring retention portion that recess is provided on the outside of at least one first connecting column； Latch hook unit include eccentric rotary block, it is vertical with eccentric rotary block connect and be located at eccentric rotary block eccentric position at first Shaft, the first torsional spring for leaning on the operating stick of the part of proximal edge across eccentric rotary block and being sheathed in first rotating shaft；Bias turns Motion block offers clamping groove far from the marginal portion of operating stick, and eccentric rotary block is respectively provided with the first lip in the two sides of clamping groove And second lip, the first lip are provided with the second smooth guide surface far from the side of clamping groove, the second lip is far from clamping groove Side be provided with recess first abut slot；First rotating shaft passes through the first shaft hole on the first connecting column；First torsional spring is located at In spring retention portion, the first stabilizer blade of the first torsional spring abuts slot with first and abuts, and the second stabilizer blade is abutted with upper cover.

Further, second torsional spring is located at master slider one end and pedestal far from the first opening far from the first opening Between one end.

Further, the side of the master slider towards upper cover is also provided with around column slot and connection fan groove and around column slot Connectivity slot, fan groove are provided with step groove close to the side of connectivity slot, and master slider is provided with the of recess on the outside of step groove One escape groove has dividing wall between the first escape groove and step groove, the side of dividing wall towards upper cover is provided with the second evacuation Slot is provided with one around column in column slot；It is equal around column slot, connectivity slot, fan groove, step groove, the second escape groove and the first escape groove Positioned at the same side of master slider；Sliding unit further includes abutting block assembly, second spring and frizzen, the arcuate flanks of sectorial block On offer spring groove, abut block assembly and be located in spring groove, second spring is sheathed on abutting block assembly and is located in spring groove On part, frizzen include the first bar portion, the second bar portion, the middle interconnecting piece being connected between the first bar portion and the second bar portion and It is set to the rotation section of the one end of the first bar portion far from middle interconnecting piece, third axis hole, third axis are offered in the middle part of rotation section Hole is rotatablely connected with around column；A part of first bar portion is located in column slot, and a part is located in connectivity slot, and a part is located at fan In shape slot or step groove, middle interconnecting piece is located in the second escape groove, and the second bar portion is located in the first escape groove.

It further, further include the electromagnetism unlocking unit for being set to pedestal and being located at sliding unit side, pedestal corresponding first The position of escape groove offers first through hole, and electromagnetism unlocking unit includes Electromagnetic Solution lock shell, is set in Electromagnetic Solution lock shell Thimble, metal block, electromagnetic coil assembly and third spring；It is sliding that one end of Electromagnetic Solution lock shell towards pedestal offers third Slot, metal block are located at the side in third sliding slot far from pedestal, and thimble is located at the side in third sliding slot close to pedestal, thimble The second bulge loop has been provided projectingly towards one end of metal block, third spring pocket is set to the outside of thimble, and the first of third spring End is abutted with the second bulge loop, and second end is abutted with the pedestal on the outside of first through hole.

Further, first limited block is fixedly connected with upper cover, and the second limited block is metal rotor plate, the second limit The middle part of block is rotatablely connected by a third shaft and upper cover, and one end of the second limited block towards pedestal protrudes from upper cover and with the One limited block is concordant, and the second limited block is connected with the 4th spring between one end and upper cover far from pedestal.

Compared with prior art, it is of the invention automatically spring open electromagnetic door lock include pedestal, the upper cover being oppositely arranged with pedestal, Elastic rotation be set to upper cover towards on the side of pedestal latch hook unit, be set to upper cover towards the sliding on the side of pedestal Spacer pin unit is slideably positioned in pedestal towards the sliding unit on the side of upper cover and the lock with the clamping of latch hook unit activity Block；The first end of pedestal offers the first opening, and latch hook unit is at least partially situated at the first opening；On be placed on latch hook unit Side be provided with first sliding groove, the two sides of first sliding groove have been provided projectingly the first limited block and the second limited block respectively, sliding Spacer pin unit includes disk, the positioning column, guide pin and the first spring for being vertically provided projectingly on disk side, and disk is far from fixed The side of position column offers guide pin groove, and guide pin groove extends to the inside of positioning column, and it is recessed that the first spring is located at guide pin The bottom of slot, positioning column are positioned partially in guide pin groove and abut with the first spring, slide the positioning column of spacer pin unit In first sliding groove, disk is between the first limited block and the second limited block；Sliding unit include master slider, sectorial block and Second torsional spring, the side of pedestal towards upper cover offer the second sliding slot with the first open communication, and master slider is slidably disposed in In two sliding slots, for the second torsional spring between master slider and pedestal, the side of master slider towards upper cover offers fan groove, fan groove It is provided projectingly the second shaft close to the position in the center of circle, the depression in centre of master slider towards one end of the first opening is provided with third Escape groove, master slider are formed with abutting block in the both ends of third escape groove, and sectorial block offers the second axis close to the position in the center of circle Hole, the second shaft pass through the second axis hole of sectorial block, and sectorial block is towards offering heart-shaped slot on the side of upper cover, in heart-shaped slot Portion's protrusion is provided with heart-shaped block, and the one end of guide pin far from disk is movably located in heart-shaped slot；Heart-shaped block has tip, remote Recess portion from tip and the shoulder positioned at recess portion two sides；Tip of the heart-shaped slot close to heart-shaped block and one end far from recess portion have the One limiting section, heart-shaped slot are equipped with the second limiting section in the outside of the recess portion of heart-shaped block, and heart-shaped slot is in one of shoulder of heart-shaped block The outside in portion is equipped with third limiting section, and heart-shaped slot is equipped with the 4th limiting section in the outside of another shoulder of heart-shaped block, first It is equipped with the first climbing between limiting section and third limiting section and positioned at the outside of heart-shaped block, in the 4th limiting section and the first limiting section Between and be located at the outside of heart-shaped block and be equipped with the second climbing and third climbing.So can be improved various states stability and It can be realized smooth transition or guiding when switching between various states.

Detailed description of the invention

The embodiment of the present invention is described below in conjunction with attached drawing, in which:

Fig. 1 is the stereoscopic schematic diagram at the first visual angle provided by the invention for automatically springing open electromagnetic door lock.

Fig. 2 is the stereoscopic schematic diagram at the second visual angle provided by the invention for automatically springing open electromagnetic door lock.

Fig. 3 is that the electromagnetic door lock that automatically springs open in Fig. 1 removes the stereoscopic schematic diagram after pedestal and electromagnetism unlocking unit.

Fig. 4 is the stereoscopic schematic diagram of upper cover in Fig. 3, latch hook unit and spacer pin unit.

Fig. 5 is the side sectional view of the spacer pin unit in Fig. 4.

Fig. 6 is the stereoscopic schematic diagram of the latch hook unit in Fig. 4.

Fig. 7 is the stereoscopic schematic diagram of sliding unit, spacer pin unit and latch hook unit.

Fig. 8 is the perspective view of the explosion of sliding unit.

Fig. 9 is the schematic top plan view of the sectorial block in Fig. 8.

Figure 10 is the stereoscopic schematic diagram at the first visual angle of the sectorial block in Fig. 8.

Figure 11 is the stereoscopic schematic diagram at the second visual angle of the sectorial block in Fig. 8.

Figure 12 is the stereoscopic schematic diagram of the frizzen in Fig. 8.

Figure 13 is the integral level diagrammatic cross-section provided by the invention for automatically springing open electromagnetic door lock.

Figure 14 is the diagrammatic cross-section of the electromagnetism unlocking unit in Figure 13.

Figure 15 is the vertical cut-away schematic view provided by the invention for automatically springing open electromagnetic door lock.

Figure 16 be Fig. 4 in upper cover, latch hook unit and spacer pin unit another visual angle stereoscopic schematic diagram.

Figure 17 is the stereoscopic schematic diagram at another visual angle of the upper cover in Figure 16.

Figure 18 is that automatically spring open electromagnetic door lock removing sliding unit, electromagnetism unlocking unit and the major loop electromagnetism in Fig. 2 are opened Schematic top plan view behind pass.

Figure 19 is that automatically spring open electromagnetic door lock removing sliding unit, electromagnetism unlocking unit and the major loop electromagnetism in Fig. 2 are opened Stereoscopic schematic diagram behind pass.

Figure 20 is the stereoscopic schematic diagram of the triggering sliding block in Figure 19.

Figure 21 is the stereoscopic schematic diagram at the first visual angle of main circuit electromagnetic switch.

Figure 22 is the stereoscopic schematic diagram at the second visual angle of main circuit electromagnetic switch.

Figure 23 is the stereoscopic schematic diagram at the first visual angle of electromagnetism unlocking unit.

Figure 24 is the stereoscopic schematic diagram at the second visual angle of electromagnetism unlocking unit.

Figure 25 is the schematic internal view of electromagnetism unlocking unit.

Figure 26 is the perspective view of the explosion at the first visual angle of panel mounting structure.

Figure 27 is the perspective view of the explosion at the second visual angle of panel mounting structure.

Figure 28 is the stereoscopic schematic diagram of the shifting block in Figure 27.

Figure 29 is the schematic diagram of the first state of panel mounting structure.

Figure 30 is the schematic diagram of the second state of panel mounting structure.

Specific embodiment

Specific embodiments of the present invention are further elaborated below based on attached drawing.It should be understood that herein The explanation of the embodiment of the present invention is not intended to limit the scope of protection of the present invention.

Please refer to figs. 1 to 4, and the electromagnetic door lock provided by the invention that automatically springs open includes pedestal 10, opposite with pedestal 10 sets The upper cover 20 set, elastic rotation be set to upper cover 20 towards on the side of pedestal 10 latch hook unit 30, be set to 20 court of upper cover Sliding spacer pin unit 40 on the side of pedestal 10 is slideably positioned in pedestal 10 towards the sliding list on the side of upper cover 20 Member 50 is set to the lock that pedestal 10 is located at the electromagnetism unlocking unit 60 of 50 side of sliding unit and is clamped with 30 activity of latch hook unit Block 80.

The first end of pedestal 10 offers the first opening 11, after upper cover 20 and the opposite splicing of pedestal 10, latch hook unit 30 to It is at least partially located at the first opening 11.

Closing piece 80 include the first connecting plate 81 and with the protruding portion 82 connected vertically of the first connecting plate 81, the first connecting plate 81 On offer several first connecting holes 811, a lock-screw pass through after the first connecting hole 811 with a door for washing machine is fixed connects It connects, is covered so that closing piece 80 is fixed on door of washing machine.The one end of door for washing machine far from closing piece 80 is connected by rotations such as hinges Connection mechanism and body of the washing machine are rotatablely connected.

Protruding portion 82 offers clamping groove 821 in the middle part of one end far from the first connecting plate 81, and clamping groove 821 is far from first The side of connecting plate 81 is provided with the first smooth guide surface 822.

Pedestal 10, upper cover 20, latch hook unit 30, sliding spacer pin unit 40, sliding unit 50 and electromagnetism unlocking unit 60 It is wholy set in position opposite with closing piece 80 on body of the washing machine.

When door for washing machine, which is turned to, to be bonded with body of the washing machine, closing piece 80 and latch hook unit 30 are mutually clamped.

Fig. 4 and Fig. 5 is please referred to, the opposite a pair first that has been provided projectingly in the middle part of upper cover 20 towards the side of pedestal 10 connects Column 21 offers first shaft hole on first connecting column 21, and upper cover 20 is all provided in the outside that two the first connecting columns 21 are located remotely from each other It is equipped with the spring retention portion 22 of recess.

Upper cover 20 is provided with the first sliding groove 23 of bar shaped in the side of two the first connecting columns 21 recess, and upper cover 20 is in first Sliding slot 23 has been provided projectingly the first limited block 24 close to the side of the first connecting column 21, and upper cover 20 is in first sliding groove 23 far from first The side of connecting column 21 has been provided projectingly the second limited block 25, and upper cover 20 is prominent in an edge close to the second limited block 25 It is provided with third limited block 26.The length direction of first sliding groove 23 is parallel with the first limited block 24 or the second limited block 25.

Latch hook unit 30 includes eccentric rotary block 31, vertical with eccentric rotary block 31 connect and positioned at eccentric rotary block 31 First rotating shaft 32 at eccentric position by the operating stick 33 of the part of proximal edge and is sheathed on first turn across eccentric rotary block 31 The first torsional spring 34 on axis 32.Eccentric rotary block 31 offers clamping groove 311, eccentric rotary far from the marginal portion of operating stick 33 Block 31 is respectively provided with the first lip 312 and the second lip 313 in the two sides of clamping groove 311, and the first lip 312 is far from clamping groove 311 side is provided with the second smooth guide surface 3121, and the second lip 313 is provided with recess far from the side of clamping groove 311 First abut slot 3131.First stabilizer blade of the first torsional spring 34 abuts slot 3131 with first and abuts, and the second stabilizer blade is supported with upper cover 20 It connects.

In present embodiment, the first torsional spring 34 is sheathed on first rotating shaft 32 including two respectively and is located at 31 liang of eccentric rotary block Spire 341 on the both ends of side, two spires 341 of connection and with first abuts the first stabilizer blade 342 that slot 3131 abuts and The second stabilizer blade 343 for connecting with two spires 341 and being abutted with upper cover 20 respectively.

First rotating shaft 32 passes through the first shaft hole on the first connecting column 21, and the spire 341 of the first torsional spring 34 is located at spring In holding part 22.

Further, leg holes are additionally provided in spring retention portion 22, the second stabilizer blade 343 of the first torsional spring 34 is located at stabilizer blade Kong Zhong.

First torsional spring 34 gives 30 1 rotate driving power of latch hook unit, so that the 311 face bottom of clamping groove of latch hook unit 30 Seat 10 first opening 11, i.e., not the effect of other component when, latch hook unit 30 will be under the action of the first torsional spring 34 With the unlocked state of closing piece 80.Closing piece 80 can arbitrarily enter the first opening 11 at this time, without being clamped with latch hook unit 30.

Referring to FIG. 6, sliding spacer pin unit 40 includes disk 41, is vertically provided projectingly on 41 first middle side part of disk Positioning column 42, guide pin 43 and the first spring 44.

The middle part of the remotely located column 42 of disk 41 offers guide pin groove, and guide pin groove extends to the interior of positioning column 42 Portion, the first spring 44 are located at the bottom of guide pin groove, positioning column 42 be positioned partially in guide pin groove and with the first spring 44 abut.

The distance between first limited block 24 and the second limited block 25 are equal or suitable with the diameter of disk 41.Sliding limit The positioning column 42 of pin unit 40 is extend into first sliding groove 23, and disk 41 be located at the first limited block 24 and the second limited block 25 it Between.

Fig. 7 and Fig. 8 is please referred to, sliding unit 50 includes master slider 51, sectorial block 52, abuts block assembly 53, second spring 54, frizzen 55 and the second torsional spring 56.

The side of pedestal 10 towards upper cover 20 offers the second sliding slot being connected to the first opening 11, and master slider 51 is slidably In second sliding slot, the second torsional spring 56 is located at master slider 51 one end and pedestal 10 far from the first opening 11 far from the first opening Between 11 one end.

The side of master slider 51 towards upper cover 20 offer fan groove 511, around column slot 513 and connection fan groove 511 with around The connectivity slot 514 of column slot 513, fan groove 511 are provided with step groove 5111 close to the side of connectivity slot 514, and master slider 51 is in platform The outside of rank slot 5111 is provided with the first escape groove 515 of recess, has between the first escape groove 515 and step groove 5111 and is isolated Wall, the side of dividing wall towards upper cover 20 are provided with the second escape groove 501.One is provided in column slot 513 around column 516.

In present embodiment, around column slot 513, connectivity slot 514, fan groove 511, step groove 5111, the second escape groove 501 and First escape groove 515 is respectively positioned on the same side of master slider 51.

Fan groove 511 has been provided projectingly the second shaft 512 close to the position in the center of circle.

The depression in centre of master slider 51 towards one end of the first opening 11 is provided with third escape groove 517, for for bias First lip 312 of rotating block 31 rotates, and master slider 51 is avoided to interfere with the first lip 312.

Master slider 51 is formed in the both ends of third escape groove 517 and abuts block 5171, abuts block 5171 close to upper cover 20 Seamed edge has inclined first guiding surface 5172.

Please also refer to Figure 13, master slider 51 towards upper cover 20 side and be located at fan groove 511 far from the first opening 11 Side offer the first limiting slot 518, master slider 51 offers first positioning hole 519, bottom far from one end of the first opening 11 Seat 10 is provided with second location hole 13, the one end of master slider 51 far from the first opening 11 and direction far from one end of the first opening 11 The side of pedestal 10 offers torsional spring accommodation groove.

Second torsional spring 56 has torsional spring main body, the first stabilizer blade and the second stabilizer blade.Torsional spring main body is movably located at torsional spring appearance It sets in slot, the first stabilizer blade of the second torsional spring 56 is located in first positioning hole 519, and the second stabilizer blade is located in second location hole 13.

Second torsional spring 56 gives 51 1 driving forces of master slider, so that master slider 51 is slided towards the first opening 11, and then makes The abutting block 5171 for obtaining master slider 51 is abutted with operating stick 33, and eccentric rotary block 31 is pushed to rotate around first rotating shaft 32, until The clamping groove 311 of latch hook unit 30 is vertical with the first opening 11 of pedestal 10.Latch hook unit 30 is in the lock state at this time, if the One lip 312 is located in the clamping groove 821 of closing piece 80, then closing piece 80 and the mutual snap lock of latch hook unit 30.

When the abutting block 5171 of master slider 51 just starts to abut with operating stick 33, the rotation of operating stick 33 is simultaneously oriented to along first Inclined-plane 5172 is mobile.

The opening angle of fan groove 511 is greater than the opening angle of sectorial block 52, and sectorial block 52 is opened up close to the position in the center of circle There is the second axis hole 521, the second shaft 512 passes through the second axis hole 521 of sectorial block 52, so that sectorial block 52 is rotationally located at In fan groove 511.

Sectorial block 52 is towards heart-shaped slot 522 is offered on the side of upper cover 20, and the middle part protrusion setting of heart-shaped slot 522 is intentionally Shape block 523.

Spring groove 524 is offered in the arcuate flanks of sectorial block 52, is abutted block assembly 53 and is included guide rod 531 and be set to The round block 532 of 531 end of guide rod, it is convex that guide rod 531 has also radially been provided projectingly first towards one end of round block 532 Ring 533, second spring 54 are sheathed on guide rod 531, and one end that guide rod 531 is not provided with round block 532 is located at spring groove 524 In, the first end of second spring 54 is abutted with the bottom wall of spring groove 524, and second end is abutted with the first bulge loop 533.

The one end of guide pin 43 far from disk 41 is movably located in heart-shaped slot 522.Due to sliding spacer pin unit 40 By the first limited block 24 and the position-limiting action of the second limited block 25, can not with moved in the glide direction of master slider 51, and It can only be moved on the direction vertical with the glide direction of master slider 51, when the guide pin 43 of sliding spacer pin unit 40 is located at the heart In shape slot 522 when different positions, the sliding distance of master slider 51 can be limited, so that the rotation of eccentric rotary block 31 is controlled, Realize the unlocked state of latch hook unit 30 and the switching of lock state.

Fig. 9 to Figure 11 is please referred to, heart-shaped block 523 has tip, the recess portion far from tip and the shoulder positioned at recess portion two sides. Heart-shaped slot 522 is close to the tip of heart-shaped block 523 and one end far from recess portion has the first limiting section A, in the recess portion of heart-shaped block 523 Outside be equipped with the second limiting section B, in heart-shaped block 523 one of shoulder outside be equipped with third limiting section C, in heart-shaped block The outside of 523 another shoulder is equipped with the 4th limiting section D, between the first limiting section A and third limiting section C and is located at heart The outside of block 523 is equipped with the first climbing E, the first plane F is equipped between the first climbing E and third limiting section C, in the 4th limit It is equipped with the second climbing G and third climbing I between portion D and the first limiting section A and positioned at the outside of heart-shaped block 523, in the second climbing G The second plane H is equipped between third climbing I.

It wherein, is unlocked state when guide pin 43 is located at the first limiting section A；Guide pin 43 is when being located at the second limiting section B Lock state, the movement of guide pin 43 at this time by the position-limiting actions of two shoulders of heart-shaped block 523 and it is immovable；If wanted Restore movement, then needs guide pin 43 removing the second limiting section B.

When guide pin 43 is moved to the second limiting section B from the first limiting section A, need then to roll over by third limiting section C Return to the second limiting section B；When guide pin 43 is moved to the first limiting section A from the second limiting section B, need by the 4th limiting section Then D goes back to the first limiting section A.It can be by pressing door for washing machine, so that closing piece 80 drives eccentric rotary when therefore unlocking Block 31 turns round certain angle and realizes.

Depth of the heart-shaped slot 522 in the first limiting section A and the 4th limiting section D is same or equivalent, in the depth of the second limiting section B Spend the depth less than the first limiting section A or the 4th limiting section D, depth of the depth less than the second limiting section B of third limiting section C； The depth of second plane H and the depth of the second limiting section B are same or equivalent；The depth of first plane F is less than third limiting section C's Depth.

The depth of first climbing E close to one end of the first limiting section A towards one end close to the first plane F by gradually subtracting It is small；Second climbing G close to one end of the 4th limiting section D towards one end close to the second plane H by being gradually reduced；Third climbing I By being gradually reduced close to one end of the second plane H towards one end close to the first limiting section A.

So that the guide pin 43 of sliding spacer pin unit 40 can only move in heart-shaped slot 522 along specific direction It is dynamic, it climbs such as from the first limiting section A along the first climbing E, falls into third limiting section C, later fall into the second limiting section B, It is fallen into the 4th limiting section D again, then climbs, finally dropped back into the first limiting section A along the second climbing G and third climbing I.

First limiting section A, the second limiting section B, third limiting section C and the 4th limiting section D enable to guide pin 43 to be in In a variety of different states, and improve the stability of each state.When needing switching state, the first climbing E, the second climbing G and third climbing I can guide guide pin 43, realize and realize steadily when guide pin 43 switches between different states Transition.First plane F and the second plane H are able to achieve guide pin 43 in the holding of transition state.

Since sliding spacer pin unit 40 is by the first limited block 24 and the position-limiting action of the second limited block 25, can not with It moves, and can only be moved on the direction vertical with the glide direction of master slider 51 in the glide direction of master slider 51, therefore is main Sliding block 51 will be slided passively, and different positions is slided into the different conditions of guide pin 43, and then control eccentric turn The unlocked state of latch hook unit 30 and the switching of lock state are realized in the rotation of motion block 31.

Please refer to Figure 12, frizzen 55 includes the first bar portion 551, the second bar portion 552, is connected to the first bar portion 551 and the Middle interconnecting piece 553 between two bar portions 552 and the rotation for being set to first one end of bar portion 551 far from middle interconnecting piece 553 Portion 554.

Middle interconnecting piece 553 connects the side of the first bar portion 551 and 552 the same side of the second bar portion, rotation section 554 and first The side that bar portion 551 is equipped with middle interconnecting piece 553 vertically connects.The middle part of rotation section 554 offers third axis hole 5541, a pin Axis passes through third axis hole 5541 and connect with around column 516, so that frizzen 55 is rotatablely connected with around column 516.First bar portion 551 a part is located in column slot 513, and a part is located in connectivity slot 514, and a part is located at fan groove 511 or step groove In 5111, middle interconnecting piece 553 is located in the second escape groove 501, and the second bar portion 552 is located in the first escape groove 515.So make Installation and the disassembly for obtaining frizzen 55 are very convenient, improve the working efficiency of the installation or removal of frizzen 55.

First bar portion 551 is tilted close to the direction that the side of middle interconnecting piece 553 is directed away from the second bar portion 552, is formed Rake.

Figure 13 is please referred to, the rake of the first bar portion 551 is located in step groove 5111, and the spring groove with sectorial block 52 524 is movably opposite, and the position of corresponding first escape groove 515 of pedestal 10, which extends outwardly, is provided with perforation mouth 12, mouth 12 of perforating Middle part offer first through hole, electromagnetism unlocking unit 60 is set to the outside that pedestal 10 has the side of perforation mouth 12.

Figure 14 is please referred to, electromagnetism unlocking unit 60 includes Electromagnetic Solution lock shell 61, is set in Electromagnetic Solution lock shell 61 Thimble 62, metal block 63, electromagnetic coil assembly 64 and third spring 65.

One end of Electromagnetic Solution lock shell 61 towards pedestal 10 offers third sliding slot 611, and it is sliding that metal block 63 is located at third Far from the side of pedestal 10 in slot 611, thimble 62 is located in third sliding slot 611 side of close pedestal 10, and thimble 62 is towards gold The one end for belonging to sliding block 63 has been provided projectingly the second bulge loop 621, and third spring 65 is sheathed on the outside of thimble 62, and perforation mouth 12 is at least It is partially projecting into third sliding slot 611.

The first end of third spring 65 is abutted with the second bulge loop 621, and second end is abutted with perforation mouth 12.Thimble 62 is movable Ground is protruded into the first through hole of perforation mouth 12 and is abutted with the second bar portion 552.

When sectorial block 52 turns to spring groove 524 towards step groove 5111, under the action of second spring 54, guide rod 531 and round block 532 will be mobile towards step groove 5111 so that round block 532 enters in step groove 5111, if at this time without external force Effect, round block 532 are caught in step groove 5111 and can not come out, and sectorial block 52 can not rotate in fan groove 511,51 nothing of master slider Method is mobile, is at this time lock state.

Electromagnetic coil assembly 64 is set to the outside of third sliding slot 611, and electromagnetic coil assembly 64 will generate electromagnetism when being powered It is mobile towards perforation mouth 12 to attract metal block 63 for power, thus drive thimble 62 protrude into the first through hole of perforation mouth 12 and with Second bar portion 552 abuts, so that the rake of the first bar portion 551 releases round block 532 from step groove 5111, sectorial block 52 can rotate in fan groove 511, and master slider 51 is slided, and be at this time unlocked state.

By control electromagnetism unlocking unit 60 electromagnetic coil assembly 64 energization whether, it can be achieved that automatically springing open electromagnetic door The unlock of lock.

It can be seen from fig. 15 that the limit due to sliding spacer pin unit 40 by the first limited block 24 and the second limited block 25 Position effect, can not with moved in the glide direction of master slider 51, and can only be in the side vertical with the glide direction of master slider 51 It moves up, therefore master slider 51 will be slided passively, and slides into different positions in the different conditions of guide pin 43, And then the rotation of eccentric rotary block 31 is controlled, realize the unlocked state of latch hook unit 30 and the switching of lock state.

Please continue to refer to Figure 16 and Figure 17, in present embodiment, the first limited block 24 is fixedly connected with upper cover 20, the second limit Position block 25 is metal rotor plate, and the middle part of the second limited block 25 is rotatablely connected by a third shaft 251 with upper cover 20, the second limit One end of position block 25 towards pedestal 10 protrudes from upper cover 20 and concordant with the first limited block 24, and the second limited block 25 is far from pedestal 10 One end and upper cover 20 between be connected with the 4th spring 252.

When latch hook unit 30 is in the lock state and the first lip 312 is located in the clamping groove 821 of closing piece 80, if by force When pulling out closing piece 80, eccentric rotary block 31 can passively rotate an angle, so that disk 41 is directed away from latch hook unit 30 direction is mobile, and then the second limited block 25 is pushed to rotate an angle around third shaft 251, vacates to disk 41 certain Activity interval, so that guide pin 43 switches a state in heart-shaped slot 522, thus realize the unlock of latch hook unit 30, Eccentric rotary block 31 is enabled to rotate a bigger angle, so that closing piece 80 is detached from latch hook unit 30.Here it is strong Drawing pushes away latching mode by force, is trapped in washing machine if any children, and children can push out door for washing machine, realizes unlock, improves Safety.

The side of opening of the sectorial block 52 far from spring groove 524 is provided with corner 525, when sectorial block 52 deflect after and main cunning When block 51 is directed away from the direction movement of latch hook unit 30, the third limited block 26 of upper cover 20 is supported with the corner 525 of sectorial block 52 It connects, third limited block 26 will drive corner 525 mobile, to stir sectorial block 52 to undeflected position.

Fig. 1 to Fig. 3 and Figure 21 and Figure 22 are please referred to, the electromagnetic door lock provided by the invention that automatically springs open further includes and washes The major loop electromagnetic switch 70 of the intracorporal main circuit connection of clothing owner, it is separate that major loop electromagnetic switch 70 is set to sliding unit 50 The side of pedestal 10.Major loop electromagnetic switch 70 has switch case 71, main body switch and main body in switch case 71 Switch connection protective switch, the switch button 72 for controlling main body switch, linkage convex block 73 and connection switch button 72 with The linkage mechanism of linkage convex block 73.

The first end of switch case 71 offers button slot 713, and switch button 72 is located in button slot 713, switch case 71 towards linkage slot 711 is offered on the side of pedestal 10, and linkage convex block 73 is located in linkage slot 711 and the end for the convex block 73 that links End is movably stretched out from linkage slot 711.When switch button 72 is pressed one time, linkage mechanism drive linkage convex block 73 from It is stretched out in linkage slot 711；When switch button 72 is pressed again, linkage mechanism drives linkage convex block 73 to be retracted into linkage slot In 711.

When the convex block 73 that links is stretched out from linkage slot 711, linkage convex block 73 further extend into the of master slider 51 One limiting slot 518, to limit the movement of master slider 51, main body switch is connected at this time, and washing machine enters working condition, is led to simultaneously It crosses linkage convex block 73 and locks master slider 51, so that master slider 51 is lock state, i.e., door for washing machine cannot be opened at this time.

When the convex block 73 that links is retracted into linkage slot 711, master slider 51 is in slidably state, and main body switch is closed at this time Disconnected, washing machine enters off working state, i.e., door for washing machine is openable at this time.So improve reliability when washing machine work And safety, prevent door for washing machine from opening during the work time.

The second end of switch case 71 is equipped with first terminal opening 714, is equipped with the first connecting pin in first terminal opening 714 Son 742.

Switch case 71 offers the second through-hole far from the side of switch button 72 in master slider 51, is equipped in the second through-hole Protect frizzen 74, protect the first end of frizzen 74 with protective switch is mobilizable abuts, the other end across the second through-hole simultaneously Positioned at the outside of switch case 71.It protects and is provided with reset bullet between the first end of frizzen 74 and the inner sidewall of switch case 71 Spring, the direction that reset spring driving protection frizzen 74 is directed away from protective switch is mobile, when protecting frizzen 74 to be pressed, The first end of protection frizzen 74 is abutted with protective switch, so that trigger protection switchs, so that main body switch turns off.

Figure 18 and Figure 19 is please referred to, pedestal 10 offers pressing in the outside of the switch button 72 of major loop electromagnetic switch 70 Hole 15, pedestal 10 are connected with a pressing piece 14 in the outer elastic of pressing hole 15, and the middle part of pressing piece 14 is prominent towards pressing hole 15 It is provided with pressing raised line 141 out, pressing raised line 141 movably protrudes into pressing hole 15 and abuts with switch button 72.

The electromagnetic door lock provided by the invention that automatically springs open further includes major loop trigger unit, and major loop trigger unit includes touching Send out sliding block 90 and the 5th spring 91.

Pedestal 10 offers in master slider 51 far from the side of switch button 72 parallel with the glide direction of master slider 51 Sliding slot 16 is triggered, triggering sliding block 90 is slidably disposed in triggering sliding slot 16, and the 5th spring 91 is set to one end of triggering sliding slot 16 Between triggering sliding block 90.

The side of master slider 51 towards triggering sliding slot 16 has been provided projectingly shifting block 5101.

Figure 20 is please referred to, triggers sliding block 90 is set gradually including slider body 92, along the length of slider body 92 first Protruding portion 93, the second protruding portion 94 and third protruding portion 95,95 opposing slider main body 92 of the first protruding portion 93 and third protruding portion Height be all larger than the height of 94 opposing slider main body 92 of the second protruding portion, the first protruding portion 93 is close to the portion of the second protruding portion 94 Set up separately and be equipped with the second guiding surface 931, the height of the second guiding surface 931 is from close to one end of the second protruding portion 94 direction first One end of protruding portion 93 is gradually increased.

The side of second protruding portion 94 towards master slider 51, which offers, stirs slot 96, stirs slot 96 along the sliding of master slider 51 Width on direction is greater than width of the shifting block 5101 in the glide direction of master slider 51, and shifting block 5101, which is located at, to be stirred in slot 96.

Third protruding portion 95 offers spring retainer groove 97, the bottom of spring retainer groove 97 far from one end of the first protruding portion 93 Portion has been provided projectingly the first spring positioning block 98, and one end of triggering sliding slot 16 has been provided projectingly second spring locating piece, the 5th bullet The first end of spring 91 is located in spring retainer groove 97 and is sheathed on the first spring positioning block 98, the second end cap of the 5th spring 91 On second spring locating piece.

When the direction that master slider 51 is directed away from the first opening 11 is mobile, shifting block 5101 drives triggering sliding block 90 towards remote Direction from the first opening 11 is mobile, so that the second guiding surface 931 is mobile relative to protection frizzen 74, so that protecting Shield frizzen 74 is gradually pressed, and when protecting frizzen 74 to abut with the top surface of the first protruding portion 93, protects 74 quilt of frizzen In place, the first end of protection frizzen 74 is abutted with protective switch for pressing, so that trigger protection switchs, so that main body switch Shutdown, latch hook unit 30 is in the unlocked state at this time.Undesirable opening occurs for main body switch when so avoiding unlock, improves Safety.

When the direction of master slider 51 towards the first opening 11 is mobile, shifting block 5101 is moved stirring in slot 96 completely, is touched Hair sliding block 90 restores under the action of the 5th spring 91 to original state, protects frizzen 74 and the second protruding portion 94 opposite, by In the height of the second protruding portion 94 it is lower will not press protection frizzen 74, therefore will not trigger protection switch, main body is opened at this time The state of pass is determined by switch button 72, while latch hook unit 30 is in the lock state.

Figure 23 to Figure 25 is please referred to, Electromagnetic Solution lock shell 61 offers Second terminal opening 613 far from one end of pedestal 10, Second connection end 644 is provided in Second terminal opening 613.Electromagnetic coil assembly 64 includes electromagnetic coil 61 and electromagnetic wire What circle 61 connected is fixedly connected with terminal 642 and is connected to the elastic conducting that second connection end son 644 with is fixedly connected between terminal 642 Electric portion 643.Second connection end 644 is set as plug construction, it is convenient to cooperate with external socket, such electromagnetism unlock is single Member 60 is simpler, reliable with the connection of power supply, avoids to interfere with other component using interminable cable, and drops Low cost.

Figure 26 and Figure 27 is please referred to, the electromagnetic door lock provided by the invention that automatically springs open further includes panel mounting structure, pedestal 10 are provided with mounting plate 17 in the outside of the first opening 11, mounting plate 17 in the two sides of the first opening 11 extend outwardly be provided with it is prominent For the extension 171 of pedestal 10, it is provided with panel on the outside of body of the washing machine, door lock mounting hole, door lock are offered on panel The length of mounting hole is slightly less than the length of mounting plate 17.When installation, the electromagnetic door lock provided by the invention that automatically springs open is from panel Inside stretches out one of extension 171 from the door lock mounting hole of panel, then by another extension 171 from the door of panel It locks mounting hole to stretch out, the electromagnetic door lock provided by the invention that automatically springs open is ajusted, it is provided by the invention at this time to automatically spring open electromagnetism It is provided by the invention to automatically spring open electromagnetic door lock and generate shaking with respect to panel although door lock can be installed on panel.

Panel mounting structure includes locking sliding block 102 and the 6th spring 103.

Upper cover 20 is provided projectingly in opposite directions with respect to the position of the extension 171 of mounting plate 17 there are two guiding projection 201, and two The opposite side of guiding projection 201 offers the first guide groove 202, and upper cover 20 is offered close to the position of guiding projection 201 Spring groove 203, the 6th spring 103 are located in spring groove 203.

Pedestal 10 close to extension 171 position and offer the second guide groove 101 towards the side of guiding projection 201, The outside of second guide groove 101 offers the third guide groove 1011 being connected to the second guide groove 101.

Figure 28 is please referred to, locking sliding block 102 includes parallel and the connection that is staggered the first sliding block 1021 and the second sliding block 1024, The first end of first sliding block 1021 is staggered with the first end of the second sliding block 1024 and connect, side of the second end far from the second sliding block 1024 Face has been provided projectingly operation portion 1023, and the two sides of the first sliding block 1021 towards the side of the second sliding block 1024 are prominent respectively to be extended with First guide rail 1022, the first guide rail 1022 are slidably disposed in the first guide groove 202；The first end of second sliding block 1024 offers Spring abuts slot 1026, and the 6th spring 103 is located at spring far from one end of spring groove 203 and abuts in slot 1026, the second sliding block Protrusion is extended with the second guide rail 1025 respectively for the two sides of 1024 sides far from the first sliding block 1021, and the second guide rail 1025 is slidably In the second guide groove 101, the second end of the second sliding block 1024 is provided with butt junction 1027.

Please refer to Figure 29 and Figure 30, when by it is provided by the invention automatically spring open electromagnetic door lock and be installed on panel when, first grasp Operate portion 1023 so that locking sliding block 102 is mobile towards upper cover 20, and compresses the 6th spring 103 so that butt junction 1027 with A gap is vacateed between extension 171, the extension 171 that will be close to locking sliding block 102 is stretched out from the door lock mounting hole of panel, So that panel is in the gap between butt junction 1027 and extension 171, then by another extension 171 from the door lock of panel Mounting hole stretches out, ajust it is provided by the invention automatically spring open electromagnetic door lock, then unclamp operation portion 1023, locking sliding block 102 exists It is mobile towards pedestal 10 under the action of 6th spring 103, thus pushed against with panel, it so can be to appliance for releasing single provided by the invention It opens electromagnetic door lock to fix, it is avoided to shake with panel.

Compared with prior art, the electromagnetic door lock that automatically springs open of the invention includes that pedestal 10 and pedestal 10 are oppositely arranged Upper cover 20, elastic rotation be set to upper cover 20 towards on the side of pedestal 10 latch hook unit 30, be set to upper cover 20 bottom of towards Seat 10 side on sliding spacer pin unit 40, be slideably positioned in pedestal 10 towards the sliding unit 50 on the side of upper cover 20 And the closing piece 80 with the 30 activity clamping of latch hook unit；The first end of pedestal 10 offers the first opening 11, and latch hook unit 30 is at least It is positioned partially at the first opening 11；Upper cover 20 is provided with first sliding groove 23 in the side of latch hook unit 30, first sliding groove 23 Two sides have been provided projectingly the first limited block 24 and the second limited block 25 respectively, and sliding spacer pin unit 40 includes disk 41, vertical It is provided projectingly on the positioning column 42, guide pin 43 and the first spring 44 of 41 side of disk, the side of the remotely located column 42 of disk 41 Guide pin groove is offered, guide pin groove extends to the inside of positioning column 42, and the first spring 44 is located at the bottom of guide pin groove Portion, positioning column 42 are positioned partially in guide pin groove and abut with the first spring 44, slide the positioning column of spacer pin unit 40 42 are located in first sliding groove 23, and disk 41 is between the first limited block 24 and the second limited block 25；Sliding unit 50 includes master Sliding block 51, sectorial block 52 and the second torsional spring 56, the side of pedestal 10 towards upper cover 20 offer the be connected to the first opening 11 Two sliding slots, master slider 51 are slidably disposed in second sliding slot, and the second torsional spring 56 is between master slider 51 and pedestal 10, master slider 51 offer fan groove 511, depression in centre setting of the master slider 51 towards one end of the first opening 11 towards the side of upper cover 20 There is third escape groove 517, master slider 51 is formed in the both ends of third escape groove 517 and abuts block 5171, and sectorial block 52 is close to circle The position of the heart offers the second axis hole 521, and the second shaft 512 passes through the second axis hole 521 of sectorial block 52, and sectorial block 52 is towards upper Heart-shaped slot 522 is offered on the side of lid 20, the middle part protrusion of heart-shaped slot 522 is provided with heart-shaped block 523, and guide pin 43 is far from circle One end of disk 41 is movably located in heart-shaped slot 522；Heart-shaped block 523 has tip, the recess portion far from tip and is located at recess portion The shoulder of two sides；Heart-shaped slot 522 is close to the tip of heart-shaped block 523 and one end far from recess portion has the first limiting section A, heart-shaped slot 522 are equipped with the second limiting section B in the outside of the recess portion of heart-shaped block 523, and heart-shaped slot 522 is in one of shoulder of heart-shaped block 523 Outside be equipped with third limiting section C, heart-shaped slot 522 in the outside of another shoulder of heart-shaped block 523 be equipped with the 4th limiting section D, It is equipped with the first climbing E between the first limiting section A and third limiting section C and positioned at the outside of heart-shaped block 523, in the 4th limiting section Between D and the first limiting section A and it is located at the outside of heart-shaped block 523 equipped with the second climbing G and third climbing I.So it can be improved The stability of various states and between various states switch when can be realized smooth transition or guiding.

The foregoing is merely a prefered embodiment of the invention, is not used to limitation protection scope of the present invention, any in the present invention Modification, equivalent replacement or improvement in spirit etc., all cover in scope of the presently claimed invention.

Claims (10)

1. one kind automatically springs open electromagnetic door lock, it is characterised in that: including pedestal, the upper cover being oppositely arranged with pedestal, elastic rotation Be set to upper cover towards on the side of pedestal latch hook unit, be set to upper cover towards the sliding spacer pin list on the side of pedestal Member is slideably positioned in pedestal towards the sliding unit on the side of upper cover and the closing piece with the clamping of latch hook unit activity；Pedestal First end offers the first opening, and latch hook unit is at least partially situated at the first opening；On be placed on the side of latch hook unit and set It is equipped with first sliding groove, the two sides of first sliding groove have been provided projectingly the first limited block and the second limited block respectively, slide spacer pin list Member includes disk, is vertically provided projectingly on the positioning column, guide pin and the first spring of disk side, and the one of the remotely located column of disk Side offers guide pin groove, and guide pin groove extends to the inside of positioning column, and the first spring is located at the bottom of guide pin groove, Positioning column is positioned partially in guide pin groove and abuts with the first spring, and it is sliding that the positioning column of sliding spacer pin unit is located at first In slot, disk is between the first limited block and the second limited block；Sliding unit includes master slider, sectorial block and the second torsional spring, The side of pedestal towards upper cover offers the second sliding slot with the first open communication, and master slider is slidably disposed in second sliding slot, Second torsional spring is between master slider and pedestal, and the side of master slider towards upper cover offers fan groove, and fan groove is close to the center of circle Position be provided projectingly the second shaft, the depression in centre of master slider towards one end of the first opening is provided with third escape groove, Master slider is formed with abutting block in the both ends of third escape groove, and sectorial block offers the second axis hole close to the position in the center of circle, and second Shaft passes through the second axis hole of sectorial block, and sectorial block is towards offering heart-shaped slot, the middle part protrusion of heart-shaped slot on the side of upper cover It is provided with heart-shaped block, the one end of guide pin far from disk is movably located in heart-shaped slot；Heart-shaped block has tip, far from tip Recess portion and shoulder positioned at recess portion two sides；Heart-shaped slot is close to the tip of heart-shaped block and one end far from recess portion has the first limit Portion, heart-shaped slot are equipped with the second limiting section in the outside of the recess portion of heart-shaped block, heart-shaped slot in heart-shaped block one of shoulder it is outer Side is equipped with third limiting section, and heart-shaped slot is equipped with the 4th limiting section in the outside of another shoulder of heart-shaped block, in the first limiting section Between third limiting section and be located at the outside of heart-shaped block and be equipped with the first climbing, between the 4th limiting section and the first limiting section and The second climbing and third climbing are equipped with positioned at the outside of heart-shaped block.

2. automatically springing open electromagnetic door lock as described in claim 1, it is characterised in that: the heart slot is in the first limiting section and the The depth of four limiting sections is identical, is less than the depth in the first limiting section or the 4th limiting section in the depth of the second limiting section, the Depth of the depth of three limiting sections less than the second limiting section；The depth of first climbing close to one end of the first limiting section direction by leaning on One end of nearly third limiting section is gradually reduced；Second climbing is by close to the one of the close third climbing of one end of the 4th limiting section direction End is gradually reduced；Third climbing close to one end of the second climbing towards one end close to the first limiting section by being gradually reduced.

3. automatically springing open electromagnetic door lock as described in claim 1, it is characterised in that: between the first climbing and third limiting section Equipped with the first plane, the second plane, the depth of the second plane and the second limiting section are equipped between the second climbing and third climbing Depth it is identical；The depth of first plane is less than the depth of third limiting section.

4. automatically springing open electromagnetic door lock as described in claim 1, it is characterised in that: the closing piece include the first connecting plate and with First connecting plate protruding portion connected vertically, several first connecting holes are offered on the first connecting plate, and protruding portion connects far from first Clamping groove is offered in the middle part of one end of fishplate bar.

5. automatically springing open electromagnetic door lock as claimed in claim 4, it is characterised in that: the clamping groove is far from the first connecting plate Side is provided with the first smooth guide surface.

6. automatically springing open electromagnetic door lock as described in claim 1, it is characterised in that: the upper cover is towards in the side of pedestal Portion is opposite to be provided projectingly a pair of first connecting column, offers first shaft hole on the first connecting column, be above placed at least one first The spring retention portion of recess is provided on the outside of connecting column；Latch hook unit includes eccentric rotary block, vertical with eccentric rotary block connect And be located at eccentric rotary block eccentric position at first rotating shaft, across eccentric rotary block by proximal edge part operating stick and The first torsional spring being sheathed in first rotating shaft；Eccentric rotary block offers clamping groove far from the marginal portion of operating stick, and bias turns Motion block is respectively provided with the first lip and the second lip in the two sides of clamping groove, and the first lip is provided with flat far from the side of clamping groove The second sliding guide surface, the second lip abut slot far from the side of clamping groove is provided with recess first；First rotating shaft passes through the First shaft hole on one connecting column；First torsional spring is located in spring retention portion, and the first stabilizer blade of the first torsional spring abuts slot with first It abuts, the second stabilizer blade is abutted with upper cover.

7. automatically springing open electromagnetic door lock as described in claim 1, it is characterised in that: it is separate that second torsional spring is located at master slider Between the one end of one end and pedestal far from the first opening of first opening.

8. automatically springing open electromagnetic door lock as described in claim 1, it is characterised in that: the master slider towards the side of upper cover also It offering around column slot and connection fan groove with around the connectivity slot of column slot, fan groove is provided with step groove close to the side of connectivity slot, Master slider is provided with the first escape groove of recess on the outside of step groove, has dividing wall between the first escape groove and step groove, The side of dividing wall towards upper cover is provided with the second escape groove, and one is provided in column slot around column；Around column slot, connectivity slot, sector Slot, step groove, the second escape groove and the first escape groove are respectively positioned on the same side of master slider；Sliding unit further includes abutting block group Part, second spring and frizzen offer spring groove in the arcuate flanks of sectorial block, abut block assembly and are located in spring groove, the Two spring pockets are set to abutting block assembly and are located on the part in spring groove, and frizzen includes the first bar portion, the second bar portion, is connected to Middle interconnecting piece between first bar portion and the second bar portion and the rotation for being set to the one end of the first bar portion far from middle interconnecting piece Portion, third axis hole is offered in the middle part of rotation section, and third axis hole is rotatablely connected with around column；A part of first bar portion is located at around column In slot, a part is located in connectivity slot, and a part is located in fan groove or step groove, and middle interconnecting piece is located at the second escape groove In, the second bar portion is located in the first escape groove.

9. automatically springing open electromagnetic door lock as claimed in claim 8, it is characterised in that: further include being set to pedestal to be located at sliding list The position of the electromagnetism unlocking unit of first side, corresponding first escape groove of pedestal offers first through hole, and electromagnetism unlocking unit includes Electromagnetic Solution lock shell is set to the intracorporal thimble of Electromagnetic Solution lock housing, metal block, electromagnetic coil assembly and third spring；Electromagnetism One end of solution lock shell towards pedestal offers third sliding slot, and metal block is located at the side in third sliding slot far from pedestal, top Needle is located at the side in third sliding slot close to pedestal, and one end of thimble towards metal block has been provided projectingly the second bulge loop, third Spring pocket is set to the outside of thimble, and the first end of third spring is abutted with the second bulge loop, the bottom on the outside of second end and first through hole Seat abuts.

10. automatically springing open electromagnetic door lock as described in claim 1, it is characterised in that: first limited block is fixed with upper cover Connection, the second limited block are metal rotor plate, and the middle part of the second limited block is rotatablely connected by a third shaft and upper cover, second One end of limited block towards pedestal protrudes from upper cover and concordant with the first limited block, the one end of the second limited block far from pedestal with it is upper The 4th spring is connected between lid.