CN201071462Y - Door lock switch device of drum washing machine - Google Patents
Door lock switch device of drum washing machine Download PDFInfo
- Publication number
- CN201071462Y CN201071462Y CNU2007201520136U CN200720152013U CN201071462Y CN 201071462 Y CN201071462 Y CN 201071462Y CN U2007201520136 U CNU2007201520136 U CN U2007201520136U CN 200720152013 U CN200720152013 U CN 200720152013U CN 201071462 Y CN201071462 Y CN 201071462Y
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- chute
- block
- lock bolt
- button
- brake block
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Abstract
The utility model relates to a door lock, more particularly a door lock switch device of a roller washing machine, comprising a switch housing, a switch cover provided with a lock hole and arranged on the switch housing, a plunger latch, a braking block for braking the plunger latch, an electromagnet for driving the braking block to move, a switch and a push button door opener; wherein, a plunger latch slide groove and a braking block slide groove which are vertical and interlaced to each other are provided in the switch housing; the plunger latch slide groove and the lock hole are separated with each other by a separating board which is provided with a bolt hole for the bolt extending out to the lock hole; the plunger latch is slidingly provided in the plunger latch slide groove through a compression spring(A); the braking block is slidingly provided in the braking block slide groove and keeps non-braking state through a compression spring(B); and the braking block is connected with the electromagnet; the power of the electromagnet for driving the braking block to move is very small; a bi-stable mechanism consisting of a simple swinging needle and a Y-shaped slide groove at the bottom of the braking block can realize the braking and the electromagnet to acquire braking and deregulation at each time of being pulled; the device is pulled by hand, which saves labor.
Description
Technical field
The utility model relates to a kind of washing machine door lock, particularly a kind of when opening and closing door of washing machine the more reliable door lock open and close device of operation.
Background technology
Usually, drum-type washing machine is that the clothes that will wash is contained in the cylinder, injects certain washing agent and slurry, rotates by the Motor Drive cylinder again, reaches clean result thereby stir the clothes that will wash of stumbling and rub.The structure of existing drum-type washing machine has a drum 60 in the inside of a body 10 as shown in Figure 1, and cylinder 60 is installed in washtub central authorities, and rotates under the driving of motor.Have one to be used to pack into and to take out the door 30 of the clothing that will wash in the front of body 10, if being in the suds, opened unintentionally at door 30, washing agent, washings and the clothes that will wash will be gushed out to the outside of door 30 and the floor of making dirty, therefore, the laundry drum stool needs one and is used for preventing door 30 door locks of being opened unintentionally.Usually, this door lock is provided with a door lock open and close device 40 and a snap close 50 that is positioned at the front end of a relative side with hinge on the door 30 in the inboard in body 10 fronts, and is provided with when confessing existing fault the lid 20 that manual operation is opened the door in the bottom of pulling previously.
The patent of invention of application number 200410090106 title washing machines provides a kind of washing machine that is provided with the gate switching mechanism, and this gate switching mechanism is to being used for dropping into/taking out the gate execution opening of washings.Wherein, front one side of washing machine body is provided with gate, position in its vicinity is provided with door open button 40 (as shown in Figure 1), when clamshell doors button 40 applies pressing operation, by connecting spring the check plate that opens and closes lock cell is rotated, the gate stop that inserts in the door stop hole will be disengaged stop, thereby gate can be opened.Detect by stop is removed, can detect the open mode of gate, the rotation of the double dehydration barrel of laundry promptly is prevented from.In operating process, because solenoid plays locking action, the rotation of check plate is prevented from, and gate just can not be opened.
Application number 00131085.2 drum-type washing machine with the door interlock switch combination as shown in Figure 2, comprise a switch case 1, a switch cover 2 that is installed on the switch case 1, a lock bolt seat 3 that is used on the door opening direction, producing restoring force that is installed to an end of switch case 1 rotationally and flexibly, one slide plate 4 is positioned at one side of the lock bolt seat 3 of switch case 1, can be used on the direction identical, moving up and down to block or to discharge lock bolt seat 3 with lock bolt seat pivot, a spiral piping arrangement is installed in the core of switch case 1, be used for moving slide board 4 on direction up and down, and a switch sections that is positioned at the bottom of slide plate 4, the switch terminal that the knee-action by servo-actuated slide plate 4 moves up and down is realized switch.
Described switch sections comprise one below the slide plate 4 of switch case 1 inside so that produce the movable breaker point 8 of the effect of moving up and down, the fixed contact point 9 that is positioned at movable breaker point 8 one sides parallel with movable breaker point 8, this fixed contact point 9 have one with movable breaker point 8 on a corresponding fixed contact of movable contact, an electric energy feed end 10 that is provided with in a side relative of movable breaker point 8 with fixed contact point 9, be used for to spiral piping arrangement input electric energy, also have a torsionspring 11 that is positioned at a sidepiece of switch case, be used for contacting so that movable breaker point 8 and contact point on the fixed contact point 9 are produced mutually in the middle of the door lock closed procedure movable breaker point 8 being produced a twisting resistance.
Described spiral piping arrangement, have an iron core 6 solenoid 5 when electric by indentation solenoid 5 and be used for promoting slide plate 4 and move backward, and the compression spring 7 that iron core 6 is moved forward of being used on outer round surface that is positioned at iron core 6.Side at slide plate 4 also has a manually opened button 4c and tape 12 to fuse, and is used for pulling down when manually opening door lock slide plate 4.This manually opened button 4c reaches the outside of switch cover 2 by a through hole 2a on the switch cover 2.
The operating process of above-mentioned door lock open and close device is as follows.State (with reference to Fig. 3 A) in that door is opened moves thereby the top of the limited block 4a on the slide plate 4 closely contacts to stop in slide plate 4 continuation with the bottom of lock bolt seat 3, and the contact point of switch sections is thrown off at that time, and keeps a kind of closed condition.Under the state that door is opened, when door 15 rotates so that door is shut around pivot, promoting lock bolt seat 3 at the lock bolt of the front end of door rotates, lock bolt seat 3 makes torsionspring 19 produce strain simultaneously, till the mutual interference complete obiteration between the top of the bottom of lock bolt seat 3 and the limited block 4a on the slide plate 4, iron core in the spiral piping arrangement 6 moves upward by the compression spring 7 that is enclosed within iron core 6 outsides at that time, and the axis along lock bolt seat 3 advances to a position relative with the hook 3a of lock bolt seat 3 to slide plate 4 by iron core 6, stops returning of lock bolt seat.
During this period, when above-mentioned door lock closes, just, when the rising of slide plate 4 by iron core 6 moves upward, keep the switch pushing block 4bs of contact point below slide plate 4 that separate to obtain contact.In other words, along with moving upward of slide plate 4, movable breaker point 8 rotates around hinge point clockwise direction in the figure under the restoring force of the torsionspring 11 of an end of switch case, and can cause contact point on the movable breaker point 8 to touch contact point (shown in Fig. 3 b) on the fixed contact point 9, thereby starting switch part, and be the running part of this washing machine, feed water valve and draining pump provide electric energy.Simultaneously, under door lock closes state, disappear even promote the external force of lock bolt seat 3, because lock bolt seat 3 is can be not heterodromous, so lock bolt 16 can not spin off from the hook 3a on the lock bolt seat 3.And, because the position of lock bolt seat 3 when, just having prevented also therefore that lock bolt seat 3 from turning back to open mode at this moment by the limited block 4a locking of slide plate 4.Lock bolt 16 on the door 15 can not break away from from the hook 3a of lock bolt seat 3, so just finished the locking process of door.
With reference to Fig. 3 b, under door lock closes state, when the user presses door-lock-release button (not shown) and comes to provide electric energy to solenoid 5, owing to solenoid 5 makes iron core 6 move down and compress compression spring 7 simultaneously along the axis of lock bolt seat 3 iron core 6 indentations.In the case, the iron core 6 that moves downward begins when as shown in Figure 4 iron core 6 touches the lower end wall of slide plate 4 until till limited block 4a on the slide plate 4 of V-type recess 3c inside of the bottom that is positioned at lock bolt seat 3 is broken away from fully from the bottom of lock bolt seat 3.When making iron core 6 past moving down owing to spiral piping arrangement is in running order, slide plate 4 and iron core 6 move down by the thrust of iron core 6 simultaneously, until till the mutual interference complete obiteration of slide plate 4 and lock bolt seat 3, the position when lock bolt seat 3 turns back to door and can be opened at that time.In above-mentioned door lock opening process, the switch push jack 4b of the bottom of slide plate 4 promotes the opposite side of the contact point of movable breaker point 8, will make that like that the contact point between fixed contact point 9 and the movable breaker point 8 is separated, the restoring force of torsionspring accumulation at that time.Simultaneously, if lock bolt seat 3 rotates to turn back to an open mode, the lock bolt 16 that is locked among the hook 3a on the lock bolt seat 3 will break away from from lock bolt seat 3, at this moment, separated the opening of contact point between fixed contact point 9 and the movable breaker point 8, just cut off the drive part of this washing machine, the electric energy supply of feed water valve and draining pump.
When since the fault of power failure or washing machine and being stopped in the electric energy supply that door lock closes washing machine under the state he opens and cover 20 (referring to Fig. 1), and come the manual operation door lock open and close device, in order to the unlatching door lock by the tapes 12 in the traction cover 20.Shown in Fig. 5 a, when the user when door lock closes under the state traction tape 12, directly pulling is connected to the button 4c in slide plate 4 one sides on the tape 12, promotes directly moving down of slide plate 4.And, when the mutual interference of slide plate 4 and lock bolt seat 3 is removed, the position when lock bolt seat 3 turns back to door shown in Fig. 5 b and opens by torsionspring 11, the result causes the lock bolt 16 in the hook 3a of lock bolt seat 3 to throw off from lock bolt seat 16, and makes and be unlocked.
There are the following problems in this door interlock switch combination:
1, it is big to be used to solenoid 5 (electromagnet) power of unblanking, electromagnetism energising back core drives slide block 4 motions need overcome following resistance: the top of compression spring 7, torsionspring 11 and limited block 4a and the frictional resistance between the lock bolt seat 3, because lock bolt seat 3 is to be pressed on the limited block 4a under the effect of torsion spring 19, so this frictional resistance is very important.
2, when because the fault of power failure or washing machine and being stopped in the electric energy supply that door lock closes washing machine under the state, the manual operation door lock open and close device, be to make slide plate 4 to lower slider by the tape 12 on the button 4c of a side of pulling slide plate 4, limited block 4a breaks away from the door interlock switch combination is opened in the interference of lock bolt seat 3, but, because tape 12 is located at a side of slide plate 4, certainly lead to moment from the moving slide plate 4 of a layback, this moment further increases the resistance of pulling slide plate.
Summary of the invention
Technical problem to be solved in the utility model is, at the above-mentioned deficiency of prior art, and provide a kind of safe and reliable, can reduce power of electromagnet, be convenient under the situation of breaking down, open the roller washing machine door lock open and close device of door lock.
The realization the technical solution of the utility model is as follows:
A kind of roller washing machine door lock open and close device comprises: switch case, be installed on the switch cover that is provided with lockhole on the switch case, lock bolt, braking lock bolt brake block, drive electromagnet, the Switches ﹠ buttons door opener of brake block motion; It is characterized in that:
Be provided with vertical mutually lock bolt chute and the brake block chute that overlaps in described switch case, be separated by with dividing plate between described lock bolt chute and the described lockhole position, dividing plate is provided with the dead bolt hole that extend out to lockhole for dead bolt; Described lock bolt is slidedly arranged in the described lock bolt chute by compression spring A, and described brake block is slidedly arranged in the brake block chute by the compression spring B, and keeps non-on-position by the compression spring B; Described brake block connects electromagnet.
Described roller washing machine door lock open and close device, it is characterized in that: described lock bolt becomes strip, anterior for having the dead bolt on inclined-plane, the middle part is the ∏ cross section, one side in ∏ cross section is provided with brake port, is provided with the dead bolt shoulder between front portion and the middle part, and one draws back device connects described lock bolt middle part, one compression spring described lock bolt of A pushing tow and housing stretched in the lockhole dead bolt.
Described roller washing machine door lock open and close device is characterized in that: the described device that draws back comprises that vertically manually drawing back device and horizontal button opens the door and draw back device; It is described that vertically manually to draw back device be the flexible drawstring that stretches out described housing outside the rear end of strip lock bolt is provided with; Described horizontal open device is that rectangular block is arranged in the rear end of strip lock bolt, the side direction of rectangular block is set as rectangular through-hole, be provided with and strip lock bolt length direction long sliding hole at 45 approximately in rectangular block, described long sliding hole is communicated with described rectangular through-hole, one pull bar that is provided with traveller laterally is located in the described rectangular through-hole, described traveller is slidedly arranged in the described long sliding hole at 45 approximately, and described pull bar connects the button door opener.
Described roller washing machine door lock open and close device, it is characterized in that: the described brake block that is slidedly arranged in the brake block chute is provided with stopper tab, when being in non-on-position, described stopper tab is positioned at the recess in ∏ cross section, lock bolt middle part, do not influence the lock bolt motion, when being in on-position, described stopper tab is positioned at the brake port of ∏ cross section, lock bolt middle part one side, interferes the lock bolt motion.
Described roller washing machine door lock open and close device is characterized in that: be provided with an electromagnetic braking--separate brake apparatus, specifically: in the brake block chute of described connection electromagnet, be provided with a balancing point that makes progress; The bottom surface of described brake block be provided with for balancing point slide by A, B, three of C are parallel to the Y type groove that the chute of brake block line of travel is formed, wherein, A, the B chute is arranged side by side, constitute the top of Y, the C chute constitutes the bottom of Y, has a triangle block abc at the meeting friendship center of Y, the pinnacle c of the triangle abc of block is towards the C chute, ab limit subtend A at the bottom of the triangle, the meeting intersection point D of B chute also forms trigonum abD, enter in the bending of described C chute and form one between the pinnacle c of B chute place and triangle block and stop that balancing point enters B chute perpendicular steps E by the C chute, described balancing point can only enter the A chute by the C chute, enter in the bending of described A chute and form one between the pinnacle a of C chute place and triangle block and stop that balancing point enters the perpendicular steps F of C chute by the A chute, and in the pinnacle of triangle block a and A, be provided with between the B chute joint D and stop that balancing point is retreated the perpendicular steps G that enters the A chute by the trigonum; Between the pinnacle of triangle block b and A, B chute joint D, be provided with and stop that balancing point is entered the perpendicular steps H of trigonum by the B chute.
Described roller washing machine door lock open and close device, it is characterized in that: in described housing, be provided with the braking microswitch, described brake block is provided with the microswitch haptic element with inclined-plane, when brake block is in application position, microswitch haptic element on the brake block compresses the braking microswitch, and the braking microswitch is connected.
Described roller washing machine door lock open and close device, it is characterized in that: be provided with one and manually separate brake apparatus, specifically: below described brake block, the balancing point position is provided with a slide block, described slide block is slidedly arranged in the described housing by compression spring C, and its glide direction is vertical with the direction of motion of described brake block, and the front end of described slide block is provided with the hole that is placed on the described balancing point, and keep being in contactless state with balancing point by compression spring C, the other end of slide block is provided with the outer stay cord that stretches out described housing.
Described roller washing machine door lock open and close device is characterized in that: be provided with a door close button switch, the button of described press button protrudes on the described switch cover.
Described roller washing machine door lock open and close device, it is characterized in that: described door close button switch comprises: be located at the button of housing one side and be located at the microswitch of housing opposite side and pressed the slide block that touches microswitch by button, specifically be, described button is located at a side of housing by Spring Card, the side of described button is provided with the overhanging arm with inclined-plane, one end of described slide block is provided with a column with the inclined-plane that matches with the overhanging arm of stating button, described slide block is slidedly arranged on the bottom of described housing by spring, and the other end of described slide block is the low pressure surface that compresses microswitch.Push button, the overhanging arm of button compresses inclined-plane on the slide block column by the inclined-plane, makes slide block overcome the elastic force of spring and slides, and compresses the microswitch of being located at the housing opposite side, realizes the microswitch action.
Advantage of the present utility model is:
When 1, being in on-position, described stopper tab is positioned at the brake port of ∏ cross section, lock bolt middle part one side, play the effect of interfering the lock bolt motion, do not contact with lock bolt, if will make brake block motion only need only overcome the elastic force of compression spring A, the elastic force of compression spring A is only used for making and is in non-braking position, there is not any other active force, therefore the elastic force that compresses spring A is very little, and therefore, the power of electromagnet that drives the brake block motion is very little.
2, by the Y shape chute design of simple balancing point and brake block bottom surface cleverly, twice pulling of electromagnet can realize braking reconciliation braking, after the door of washing machine closure, control panel makes electromagnet for the first time, electromagnet overcomes the elastic force pulling brake block of compression spring A, formation one stops that balancing point enters B chute perpendicular steps E by the C chute between the pinnacle c of B chute place and triangle block because the bending of C chute enters, and balancing point can only enter the A chute by the C chute; Electromagnet promptly cuts off the power supply, brake block reversion under the elastic force effect of compression spring A, because, enter in the bending of A chute and form one between the pinnacle a of C chute place and triangle block and stop that balancing point is entered the perpendicular steps F of C chute by the A chute, therefore balancing point can not be return the C chute, can only enter the trigonum between triangle block base ab and A, the B chute joint D, and balancing point stopped by triangle block base ab, make brake block be in application position.When laundry finishes, control panel makes electromagnet for the second time, electromagnet overcomes the elastic force pulling brake block of compression spring A, stops that balancing point is retreated the perpendicular steps G that enters the A chute by the triangle block owing to be provided with between the pinnacle of triangle block a and A, B chute joint D; Balancing point can only enter the B chute by triangle block base, electromagnet promptly cuts off the power supply, brake block reversion under the elastic force effect of compression spring A, owing to be provided with between the pinnacle b of triangle block and A, the B chute joint D and stop that balancing point is entered the perpendicular steps H of trigonum by the B chute, balancing point enters the C chute by the B chute, recovers the primitive solution on-position.Electromagnet need not long-time energising, thereby reaches the purpose of saving electric energy, improving service life.
3, by double switch, braking microswitch and door close button switch make the door of washing machine close more reliable, safety.
4, manually separate brake apparatus and vertically manually to draw back in the device pulling direction consistent with the line of travel that is drawn slide block, and application point is positioned in the middle of the slide block, spurs laborsaving.
For architectural feature of the present utility model and effect thereof are had further understanding, enumerate concrete enforcement side now and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 is existing roller washing machine structure chart.
Fig. 2 is the STRUCTURE DECOMPOSITION perspective view of existing door lock open and close device.
Fig. 3 a and 3b are the existing rearview of door lock open and close device in the operating process of locking door, and Fig. 3 a shows the state when being opened, the state when Fig. 3 b shows by locking.
Fig. 4 is the rearview of existing door lock open and close device in the operating process of opening door, and the effect lower core that shows at a spiral piping arrangement is contracted and promotes the state that slide plate moves backward.
Fig. 5 a and Fig. 5 b are existing door lock open and close devices in the fault of power failure or washing machine and are stopped the schematic diagram of manually unblanking in the electric energy supply that door lock closes washing machine under the state that Fig. 5 a is the schematic diagram before unblanking; Fig. 5 b is the schematic diagram after unblanking.
Fig. 6 is the outside drawing of the utility model door lock open and close device.
Fig. 7 is the internal-internal structural representation (non-on-position) after the utility model door lock open and close device removes switch cover.
Fig. 8 is the A-A cutaway view of Fig. 7.
Fig. 9 is the utility model door lock open and close device on-position internal-internal structural representation.
Figure 10 is the internal-internal structural representation after the utility model door lock open and close device removes lock bolt.
Figure 11 is the internal-internal structural representation after the utility model door lock open and close device removes lock bolt, brake block and electromagnet.
Figure 12 is the lock bolt schematic perspective view in the utility model door lock open and close device.
Figure 13 is the lock bolt pull bar schematic perspective view in the utility model door lock open and close device.
Figure 14 is the brake block schematic perspective view in the utility model door lock open and close device.
Figure 15 is that the brake block in the utility model door lock open and close device is inverted schematic perspective view.
Figure 16 is a brake block bottom surface chute schematic diagram.
The schematic perspective view of Figure 17 electromagnet.
Figure 18 press button schematic perspective view.
The specific embodiment
The utility model provides a kind of roller washing machine door lock open and close device, its structure comprises shown in Fig. 6-11: switch case 100, be installed on the switch cover that is provided with lockhole 201 200 on the switch case 100, lock bolt 300, braking lock bolt brake block 400, drive electromagnet 500, the Switches ﹠ buttons door opener of brake block motion; Wherein:
Described button door opener is located at (referring to Fig. 1) in pull the front near the door of washing machine pulled previously, when clamshell doors button 40 applies pressing operation, by connecting spring lock bolt 300 is shifted out from snap close, makes can be opened.The same prior art of its concrete structure is not given unnecessary details at this.
Be provided with vertical mutually lock bolt chute 110 and the brake block chute 120 that overlaps in described switch case 100, be separated by with dividing plate 111 between described lock bolt chute 110 and described lockhole 201 positions, dividing plate 111 is provided with the dead bolt hole 112 that extend out to lockhole for dead bolt; Described lock bolt 300 is slidedly arranged in the described lock bolt chute 110 by compression spring A301, and described brake block 400 is slidedly arranged in the brake block chute 120 by compression spring B 401, and keeps non-on-position by compression spring B 401; Described brake block 400 connects electromagnet 500.
300 one-tenth strips of described lock bolt (referring to Figure 12), anterior for having the dead bolt 310 on inclined-plane, the middle part is the ∏ cross section, one side in ∏ cross section is provided with brake port 320, be provided with dead bolt shoulder 330 between front portion and the middle part, one draws back device connects described lock bolt middle part, and a compression spring described lock bolt 300 of A301 pushing tow and a housing stretched in the lockhole 201 dead bolt 300.
The described device that draws back comprises that vertically manually drawing back device 340 and horizontal button opens the door and draw back device 350;
It is described that vertically manually to draw back device 340 are the flexible drawstrings 341 that stretch out described housing outside the rear end of strip lock bolt 300 is provided with, under non-on-position, by outside housing 100, drawing flexible drawstring 341, the dead bolt 310 of lock bolt 300 front portions can be pulled out from snap close 50, make can be opened; The described device 340 that vertically manually draws back is used for the fault of power failure or washing machine and is stopped in the electric energy supply that door lock closes washing machine under the state,
Described horizontal open device 350 is that rectangular block 351 is arranged in the rear end of strip lock bolt, the side direction of rectangular block 351 is provided with rectangular through-hole 352, be provided with the long sliding hole 353 at 45 approximately in rectangular block 351 with strip lock bolt length direction, described long sliding hole 353 is communicated with described rectangular through-hole 352, one pull bar 355 that is provided with traveller 354 laterally is located in the described rectangular through-hole 352, described traveller 354 is slidedly arranged in the described long sliding hole at 45 approximately 353, and described pull bar 355 connects the button door opener.When washing machine was in off working state, clamshell doors button 40 applied pressing operation, spurred pull bar 355 (as shown in Figure 7) in the direction of arrows by connecting spring, and lock bolt 300 is shifted out from snap close, made can be opened.
The described brake block 400 that is slidedly arranged in the brake block chute is provided with stopper tab 401, when being in non-on-position, described stopper tab 401 is positioned at the recess in ∏ cross section, lock bolt middle part, do not influence the lock bolt motion, when being in on-position, described stopper tab 401 is positioned at the brake port 320 of ∏ cross section, lock bolt middle part one side, interferes lock bolt 300 motions; The armature 510 of described brake block 400 connection electromagnet 500 (as shown in Figure 7, and referring to Figure 17), magnet spool gets the electric elastic force that overcomes compression spring B 401, pulling brake block 400 moves by Figure 10 direction of arrow, and by following electromagnetic braking--separate brake apparatus, under the electromagnet powering-off state, keep on-position.
Described electromagnetic braking--separating brake apparatus is shown in Figure 11,15,16: in as described in be provided with a balancing point that makes progress 121 in the brake block chute 120 of connection electromagnet; The bottom surface of described brake block 400 be provided with for balancing point 121 slide by A, B, three of C are parallel to the Y type groove 410 that the chute of brake block line of travel is formed, wherein, A, the B chute is arranged side by side, constitute the top of Y, the C chute constitutes the bottom of Y, at A, B, the meeting friendship center that the C chute constitutes the Y font has a triangle abc block 420, the pinnacle c of the triangle abc of block 420 is towards the C chute, ab limit subtend A at the bottom of the triangle, the meeting intersection point D of B chute also forms trigonum abD, enter in the bending of described C chute and form one between the pinnacle c of B chute place and triangle block and stop that balancing point enters B chute perpendicular steps E by the C chute, but reversely do not stop, described balancing point can only enter the A chute by the C chute, enter in the bending of described A chute and form one between the pinnacle a of C chute place and triangle block and stop that balancing point is entered the perpendicular steps F of C chute by the A chute, reversely do not stop, and in the pinnacle of triangle block a and A, be provided with between the B chute joint D and stop that balancing point retreats the perpendicular steps G that enters the A chute by the trigonum, reversely do not stop; Between the pinnacle of triangle block b and A, B chute joint D, be provided with and stop that balancing point is entered the perpendicular steps H of trigonum by the B chute.
During work, after the door of washing machine closure, control panel makes electromagnet for the first time, electromagnet overcomes the elastic force pulling brake block of compression spring A, formation one stops that balancing point enters B chute perpendicular steps E by the C chute between the pinnacle c of B chute place and triangle block because the bending of C chute enters, and balancing point can only enter the A chute by the C chute; The electromagnet outage, brake block reversion under the elastic force effect of compression spring A, because, enter in the bending of A chute and form one between the pinnacle a of C chute place and triangle block and stop that balancing point is entered the perpendicular steps F of C chute by the A chute, therefore balancing point can not be return the C chute, can only enter the trigonum between triangle block base ab and A, the B chute joint D, and balancing point stopped by triangle block 420 base ab, make brake block be in application position.When laundry finishes, control panel makes electromagnet for the second time, electromagnet overcomes the elastic force pulling brake block of compression spring A, stops that balancing point is retreated the perpendicular steps G that enters the A chute by the triangle block owing to be provided with between the pinnacle of triangle block a and A, B chute joint D; Balancing point can only enter the B chute by triangle block base, the electromagnet outage, brake block reversion under the elastic force effect of compression spring A, owing to be provided with between the pinnacle b of triangle block and A, the B chute joint D and stop that balancing point is entered the perpendicular steps H of trigonum by the B chute, balancing point enters the C chute by the B chute, recovers the primitive solution on-position.Be the stopper tab 401 on the brake block 400, be positioned at the recess in ∏ cross section, lock bolt middle part, do not influence the lock bolt motion.
Be closed and do not braked and can be opened in order to ensure door, in described housing, be provided with braking microswitch 440, described brake block is provided with the microswitch haptic element 430 with inclined-plane 431, when brake block 400 is in application position, microswitch haptic element 430 on the brake block 400 compresses braking microswitch 440 (as shown in Figure 9), make braking microswitch 440 send the signal of telecommunication and give control panel, show that lock bolt is in on-position, all programs of can doing washing.If because of certain reason is separated braking, promptly brake block is in and separates application position, and then the microswitch haptic element 430 on the brake block 400 leaves the braking microswitch, the microswitch outage, and control panel stops laundry immediately.
When because the fault of power failure or washing machine and being stopped in the electric energy supply that door lock closes washing machine under the state, need open door of washing machine, be provided with one and manually separate brake apparatus, specifically: below described brake block, balancing point 121 positions are provided with a slide block 600, described slide block 600 is slidedly arranged in the described housing 100 by compression spring C610, its glide direction is vertical with the direction of motion of described brake block 400, the front end of described slide block 600 is provided with the hole 620 that is placed on the described balancing point 121, and keep being in contactless state with balancing point by compression spring C610, do not influence the balancing point swing, the other end of slide block 600 is provided with the outer stay cord 630 that stretches out described housing.During fault, this moment, balancing point 121 was held in triangle block 420 base ab, brake block 400 is in application position, opens to cover 20 (referring to Fig. 1), drop-down stay cord 630, slide block 600 overcomes the elastic force of compression spring C610 and spurs balancing points 121 by hole 620, make balancing point 121 enter the B chute, remove the state that holds of 121 pairs of brake block 400 of balancing point, brake block moves under the back stretch effect of compression spring B, make balancing point enter C, recover original non-on-position by the B chute.
To have signal to give control panel behind the door in order closing, to be provided with a door close button switch 700, the button of described press button 700 protrudes on the described switch cover 200.Close behind the door, the motion of button pressurized touches the microswitch 710 of closing the door, and the microswitch 710 of closing the door is given the control panel signal of telecommunication, shows and closes the door, even the point of control panel electromagnet makes the brake block braking, as previously mentioned.In order to make all be electrically connected the same side that the county is positioned at switch case 100, silver-colored line 501 with electromagnet, microswitch 710, braking microswitch 440 all is located at the same side of housing 100, and the lockhole 201 with lock bolt must be located at opposite side with door close button, with side door when being in closed condition, can push door close button, for addressing this problem, be arranged to door close button switch 700 by the button 760 of being located at housing one side and be located at the microswitch 710 of housing opposite side and pressed the slide block 720 that touches microswitch 710 by button 760, specifically be, described button 760 is arranged in a side of housing by spring 730, the side of described button 760 is provided with the overhanging arm with inclined-plane 740, one end of described slide block 720 is provided with a column 722 with the inclined-plane 721 that matches with the overhanging arm of described button 760, described slide block 720 is slidedly arranged on the bottom of housing 100 by spring 723 elasticity, and the other end of described slide block is the low pressure cotton 750 that compresses microswitch 710.Push button 760, the overhanging arm of button 760 compresses inclined-plane 721 on slide block 720 columns 722 by inclined-plane 740, makes slide block 720 overcome the elastic force of spring 723 and slides, and compresses the microswitch 710 of being located at the housing opposite side, realizes the microswitch action.
Claims (9)
1. roller washing machine door lock open and close device comprises: switch case, be installed on the switch cover that is provided with lockhole on the switch case, lock bolt, braking lock bolt brake block, drive electromagnet, the Switches ﹠ buttons door opener of brake block motion; It is characterized in that:
Be provided with vertical mutually lock bolt chute and the brake block chute that overlaps in described switch case, be separated by with dividing plate between described lock bolt chute and the described lockhole position, dividing plate is provided with the dead bolt hole that extend out to lockhole for dead bolt; Described lock bolt is slidedly arranged in the described lock bolt chute by compression spring A, and described brake block is slidedly arranged in the brake block chute by the compression spring B, and keeps non-on-position by the compression spring B; Described brake block connects electromagnet.
2. according to the described roller washing machine door lock open and close device of claim 1, it is characterized in that: described lock bolt becomes strip, anterior for having the dead bolt on inclined-plane, the middle part is the П cross section, one side in П cross section is provided with brake port, is provided with the dead bolt shoulder between front portion and the middle part, and one draws back device connects described lock bolt middle part, one compression spring described lock bolt of A pushing tow and housing stretched in the lockhole dead bolt.
3. according to the described roller washing machine door lock open and close device of claim 2, it is characterized in that: the described device that draws back comprises that vertically manually drawing back device and horizontal button opens the door and draw back device; It is described that vertically manually to draw back device be the flexible drawstring that stretches out described housing outside the rear end of strip lock bolt is provided with; Described horizontal open device is that rectangular block is arranged in the rear end of strip lock bolt, the side direction of rectangular block is set as rectangular through-hole, be provided with and strip lock bolt length direction long sliding hole at 45 approximately in rectangular block, described long sliding hole is communicated with described rectangular through-hole, one pull bar that is provided with traveller laterally is located in the described rectangular through-hole, described traveller is slidedly arranged in the described long sliding hole at 45 approximately, and described pull bar connects the button door opener.
4. according to the described roller washing machine door lock open and close device of claim 1, it is characterized in that: the described brake block that is slidedly arranged in the brake block chute is provided with stopper tab, when being in non-on-position, described stopper tab is positioned at the recess in П cross section, lock bolt middle part, do not influence the lock bolt motion, when being in on-position, described stopper tab is positioned at the brake port of П cross section, lock bolt middle part one side, interferes the lock bolt motion.
5. according to the described roller washing machine door lock open and close device of claim 1, it is characterized in that: be provided with an electromagnetic braking--separate brake apparatus, specifically: in the brake block chute of described connection electromagnet, be provided with a balancing point that makes progress; The bottom surface of described brake block be provided with for balancing point slide by A, B, three of C are parallel to the Y type groove that the chute of brake block line of travel is formed, wherein, A, the B chute is arranged side by side, constitute the top of Y, the C chute constitutes the bottom of Y, has a triangle block abc at the meeting friendship center of Y, the pinnacle c of the triangle abc of block is towards the C chute, ab limit subtend A at the bottom of the triangle, the meeting intersection point D of B chute also forms trigonum abD, enter in the bending of described C chute and form one between the pinnacle c of B chute place and triangle block and stop that balancing point enters B chute perpendicular steps E by the C chute, described balancing point can only enter the A chute by the C chute, enter in the bending of described A chute and form one between the pinnacle a of C chute place and triangle block and stop that balancing point enters the perpendicular steps F of C chute by the A chute, and in the pinnacle of triangle block a and A, be provided with between the B chute joint D and stop that balancing point is retreated the perpendicular steps G that enters the A chute by the trigonum; Between the pinnacle of triangle block b and A, B chute joint D, be provided with and stop that balancing point is entered the perpendicular steps H of trigonum by the B chute.
6. according to the described roller washing machine door lock open and close device of claim 1, it is characterized in that: in described housing, be provided with the braking microswitch, described brake block is provided with the microswitch haptic element with inclined-plane, when brake block is in application position, microswitch haptic element on the brake block compresses the braking microswitch, and the braking microswitch is connected.
7. according to the described roller washing machine door lock open and close device of claim 1, it is characterized in that: be provided with one and manually separate brake apparatus, specifically: below described brake block, the balancing point position is provided with a slide block, described slide block is slidedly arranged in the described housing by compression spring C, its glide direction is vertical with the direction of motion of described brake block, the front end of described slide block is provided with the hole that is placed on the described balancing point, and keep being in contactless state with balancing point by compression spring C, the other end of slide block is provided with the outer stay cord that stretches out described housing.
8. according to the described roller washing machine door lock open and close device of claim 1, it is characterized in that: be provided with a door close button switch, the button of described press button protrudes on the described switch cover.
9. described according to Claim 8 roller washing machine door lock open and close device, it is characterized in that: described door close button switch comprises: be located at the button of housing one side and be located at the microswitch of housing opposite side and pressed the slide block that touches microswitch by button, specifically be, described button is located at a side of housing by Spring Card, the side of described button is provided with the overhanging arm with inclined-plane, one end of described slide block is provided with a column with the inclined-plane that matches with the overhanging arm of stating button, described slide block is slidedly arranged on the bottom of described housing by spring, and the other end of described slide block is the low pressure surface that compresses microswitch.Push button, the overhanging arm of button compresses inclined-plane on the slide block column by the inclined-plane, makes slide block overcome the elastic force of spring and slides, and compresses the microswitch of being located at the housing opposite side, realizes the microswitch action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201520136U CN201071462Y (en) | 2007-06-20 | 2007-06-20 | Door lock switch device of drum washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201520136U CN201071462Y (en) | 2007-06-20 | 2007-06-20 | Door lock switch device of drum washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201071462Y true CN201071462Y (en) | 2008-06-11 |
Family
ID=39550020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201520136U Expired - Fee Related CN201071462Y (en) | 2007-06-20 | 2007-06-20 | Door lock switch device of drum washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201071462Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275140A (en) * | 2016-04-08 | 2017-10-20 | 青岛海尔洗衣机有限公司 | A kind of start button, household electrical appliance and its mechanically activated method |
| CN107386817A (en) * | 2017-08-29 | 2017-11-24 | 金华市宏昌电器有限公司 | A kind of door interlock switch of electrical equipment |
| CN108118492A (en) * | 2016-11-29 | 2018-06-05 | 青岛海尔洗衣机有限公司 | Door lock of washing machine detection device and detection method |
| CN110952271A (en) * | 2018-09-27 | 2020-04-03 | 青岛海尔洗衣机有限公司 | Wall-mounted washing machine |
| CN112680923A (en) * | 2019-10-18 | 2021-04-20 | 青岛海尔洗衣机有限公司 | Ultrasonic device and clothes treatment equipment |
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2007
- 2007-06-20 CN CNU2007201520136U patent/CN201071462Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275140A (en) * | 2016-04-08 | 2017-10-20 | 青岛海尔洗衣机有限公司 | A kind of start button, household electrical appliance and its mechanically activated method |
| CN107275140B (en) * | 2016-04-08 | 2021-02-26 | 青岛海尔洗衣机有限公司 | Starting key, household appliance and mechanical starting method thereof |
| CN108118492A (en) * | 2016-11-29 | 2018-06-05 | 青岛海尔洗衣机有限公司 | Door lock of washing machine detection device and detection method |
| WO2018099386A1 (en) * | 2016-11-29 | 2018-06-07 | 青岛海尔洗衣机有限公司 | Detection device and detection method for door lock of washing machine |
| CN107386817A (en) * | 2017-08-29 | 2017-11-24 | 金华市宏昌电器有限公司 | A kind of door interlock switch of electrical equipment |
| CN110952271A (en) * | 2018-09-27 | 2020-04-03 | 青岛海尔洗衣机有限公司 | Wall-mounted washing machine |
| CN110952271B (en) * | 2018-09-27 | 2023-02-17 | 青岛胶南海尔洗衣机有限公司 | Wall-mounted washing machine |
| CN112680923A (en) * | 2019-10-18 | 2021-04-20 | 青岛海尔洗衣机有限公司 | Ultrasonic device and clothes treatment equipment |
| CN112680923B (en) * | 2019-10-18 | 2022-08-23 | 青岛海尔洗衣机有限公司 | Ultrasonic device and clothes treatment equipment |
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