CN100398728C - Conchoids structure used for power transmission of washing machine - Google Patents
Conchoids structure used for power transmission of washing machine Download PDFInfo
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- CN100398728C CN100398728C CNB021211671A CN02121167A CN100398728C CN 100398728 C CN100398728 C CN 100398728C CN B021211671 A CNB021211671 A CN B021211671A CN 02121167 A CN02121167 A CN 02121167A CN 100398728 C CN100398728 C CN 100398728C
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Abstract
The present invention relates to a structure of a solenoid for the power transfer of a washing machine, which can simultaneously or selectively transfer power to a washing shaft and a dewatering shaft of a washing machine. An installing space is formed at one side of a coil rack forming the solenoid, and an overtemperature protecting element is arranged in the installing space. The overtemperature protecting element is inserted and fixed between a spacer plate and fixed plate forming the installing space, and is used for detecting heat generated by a coil wound on the coil rack. Thus, the overtemperature protecting element detects the temperature of the coil without directly contacting the coil, and the overtemperature protecting element does not need to have high sensitivity to the reflection of the temperature of the coil; accordingly, a washing machine can be in stable operation, and the damage to the overtemperature protecting element due to overtemperature can not occur. Moreover, the overtemperature protecting element is easy to install, and the coil can not be damaged.
Description
Technical field
The present invention relates to a kind of washing machine of appliance field, particularly relate to a kind of can be simultaneously or selectively to the solenoidal structure of transmission of power of the washing machine of washing machine wash shaft and dehydrating shaft transferring power.
Background technology
At present, conventional washer Fig. 1 is the structural representation sectional view of existing automatic washing machine.Fig. 2 is the structural representation sectional view of existing automatic washing machine power transmission.
As shown in the figure, the inside of the outward appearance main body 1 of composition washing machine is provided with catch basin 3.The inside of above-mentioned catch basin 3 is provided with rotatable sink 5, and will adorn washings and slurry in the above-mentioned sink 5.Certain above-mentioned slurry will flow in the catch basin 3 simultaneously by the through hole that forms on above-mentioned sink 5 walls.Be provided with the washing wing (impeller) 6 in the above-mentioned sink, inner upper end is provided with the escapement 7 that keeps balance to use when rotated.
One side of above-mentioned catch basin 3 lower ends is provided with the draining pump 9 that is used for discharging slurry, so that where necessary the slurry in the catch basin 3 is discharged to the outside of washing machine.
Simultaneously, the lower end of above-mentioned catch basin 3 is provided with the drive motors 11 that is used for driving the above-mentioned sink 5 and the washing wing (impeller) 6.Directly in succession on the above-mentioned drive motors 11 and be used to rotate the wash shaft 13 of the above-mentioned washing wing (impeller) 6.And the outside that centers on above-mentioned wash shaft 13 is provided with the dehydrating shaft 15 of above-mentioned wash shaft 13 by its center.Above-mentioned dehydrating shaft 15 can lean on the support of bearing 16 to rotate.Above-mentioned dehydrating shaft 15 can make above-mentioned sink 5 rotate, the periphery of above-mentioned dehydrating shaft 15 lower ends be provided with following movable connector 19 that will illustrate and the connecting portion 15 that is used to be connected '.
Then, be provided with solenoid 17 round bottom with the corresponding above-mentioned wash shaft 13 in the top of above-mentioned drive motors 11.Between above-mentioned solenoid 17 and the above-mentioned wash shaft 13, be provided with the driving that is subjected to above-mentioned solenoid 17 plunger 18 along above-mentioned wash shaft 13 liftings.The upper end of above-mentioned plunger 18 is provided with movable connector 19, and above-mentioned movable connector 19 will be provided with to such an extent that can make above-mentioned wash shaft 13 run through its center, thereby makes them can be along above-mentioned wash shaft 13 and 18 1 liftings of above-mentioned plunger.The upper end of above-mentioned movable connector 19, be provided with can be selectively with the connecting portion 19 of the connecting portion 15 of above-mentioned dehydrating shaft 15 ' be connected '.On the one hand, when above-mentioned movable connector 19 is subjected to the driving of above-mentioned solenoid 17 and rises, when being connected on the above-mentioned dehydrating shaft 15, the revolving force of above-mentioned wash shaft 13 just can rely on above-mentioned movable connector 19 to pass to above-mentioned dehydrating shaft 15 selectively.For this reason, under above-mentioned movable connector 19 and state that above-mentioned dehydrating shaft 15 links to each other, the sawtooth that lays respectively at the inner face of the outside of above-mentioned wash shaft 13 and movable connector 19 is wanted interlock mutually.
Below with the working condition of washing machine of the prior art of the relevant said structure of explanation.Put into washings in above-mentioned sink 5, when slurry was annotated the setting height of catch basin 3 and sink 5, above-mentioned drive motors 11 will drive the above-mentioned washing wing (impeller) 6 rotations.And the above-mentioned washing wing (impeller) 6 will rotate in above-mentioned sink 5, has stirred washings and slurry, thereby realizes washing.
In addition, where necessary, such as when dewatering, rotating sink 5.Examining these actions will find, when above-mentioned solenoid 17 was closed, above-mentioned plunger 18 will rise together with above-mentioned wash shaft 13.Plunger 18 1 rises like this, and above-mentioned movable connector 19 also will rise along above-mentioned wash shaft 13, its connecting portion 19 ' will with above-mentioned dehydrating shaft 15 connecting portion 15 ' rotation fuses.And rise when connecting together the rotation that will fuse of above-mentioned wash shaft 13 and above-mentioned movable connector 19 when above-mentioned movable connector 19 with above-mentioned dehydrating shaft 15 along above-mentioned wash shaft 13.The revolving force of above-mentioned like this drive motors 11 will be delivered to sink 5 by wash shaft 13, movable connector 19 and dehydrating shaft 15.
But foregoing prior art exists following problem.
That is, on the employed solenoid 17, adorn under the too high situation that rises because of the solenoid-activated temperature in the power transmission of washing machine, protect solenoidal overtemperature protection element (Thermal protect) (not diagram).This overtemperature protection element generally directly is attached to the temperature that constitutes induction coil on the above-mentioned solenoidal coil, when temperature surpasses setting value, will the automatic disconnection switch with protection solenoid and other related components.
But; because the overtemperature protection element is attached directly on the coil; not only overtemperature protection element itself may damage because of the influence of the heat that directly is subjected to coil and produced; also exist because of the overtemperature protection element and be directly installed on the coil; reflection to temperature is too responsive, to such an extent as to washing machine is produced on the contrary the problem of bad influence.
And, when above-mentioned overtemperature protection element directly is installed on the coil, because will note in the installation process not damaging above-mentioned coil, so exist the problem that the efficient of installation exercise reduces greatly.If this moment, above-mentioned coil was damaged, just therefore electric leakage and superheating phenomenon may take place.
This shows that employed solenoid still has many defectives in the power transmission of above-mentioned existing washing machine, and the assistant officer waits to be improved.
Because the defective that employed solenoid exists in the power transmission of above-mentioned existing washing machine, the design people is based on being engaged in this type of product design manufacturing for many years, amassing has abundant practical experience and professional knowledge, actively studied innovation, in the hope of founding the solenoidal structure of a kind of transmission of power of improving the washing machine of moulding, can improve employed solenoidal forming structure in the power transmission that generally has conventional washing machine on the market now, make it have more competitiveness.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Technical problem underlying to be solved by this invention is; overcome the defective that employed solenoid exists in the power transmission of existing washing machine; and the solenoidal structure of the transmission of power that a kind of washing machine of new structure is provided makes it change the interior solenoidal structure of washing machine power transmission and prevents that the overtemperature protection element is impaired.
Another technical problem to be solved by this invention is, improves the action stability of overtemperature protection element.
Another technical problem to be solved by this invention is, improves solenoidal operating efficiency is installed.
The present invention solves its technical problem underlying and realizes by the following technical solutions.The solenoidal structure of transmission of power of the washing machine that proposes according to the present invention; by bobbin; yoke plate 1; yoke plate 2 and overtemperature protection element constitute; bobbin inside is formed with the through hole that the driving shaft that is used to move washing machine will pass through; the outside is wound with coil; yoke plate 1 is positioned at an end of bobbin; the magnetic circuit of the magnetic line of force that formation is formed by coil; yoke plate 2 is positioned at the other end of bobbin; the magnetic circuit of the magnetic line of force that formation forms because of coil; the overtemperature protection element bobbin one side with the separated installing space of coil in; the heat that magnetic test coil produces is housed; this installing space is made of dividing plate and fixed head; dividing plate is formed at the one side of bobbin projectedly and divides the space; fixed head is formed at the upper end of the installing space of separator lined and is pressing the overtemperature protection element; the overtemperature protection element is under the certain pressure of fixed head; be clipped between the dividing plate; installing space be formed at the bobbin relative with yoke plate 1 above; protrude ground formation on the top relevant position of bobbin a plurality of fixed lobes for being connected with yoke plate 1 are arranged; fixed lobe inserts in the fixing hole that forms on the yoke plate 1; be formed with guide rod near the one side fixed lobe; yoke plate 1 is provided with a plurality of fixing holes for the fixed coil frame; and near a side fixing hole, being formed with the guide rod installation portion, guide rod is positioned on the guide rod installation portion.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known; because in the solenoid structure of washing machine power transmission; on the bobbin that constitutes solenoid coil, be formed with the independent installing space isolated, and the overtemperature protection element of the heat that magnetic test coil produced is installed on this with coil.Prevented because of to the too responsive startup that causes of heat that coil produced; Also, there is installation exercise relatively easy, advantage such as washing machine is stable because of the overtemperature protection element is installed in the other installing space that separates with coil.
The transmission of power that the present invention improves the washing machine of forming structure can reach Stability Analysis of Structures, be suitable for practical effect with solenoidal structure, and has bigger economic benefit, and has industrial utilization widely really.It does not have the existing defective of employed solenoid forming structure in the power transmission of existing washing machine in use fully, and can be so that structure of the present invention more firmly reaches changeableization, should this can reach suitable practicality, and have the extensive value on the industry.
The present invention is on the practicality and cost benefit of structural design, use, really it is required to meet industry development fully, and disclosed structure is unprecedented innovative design, it does not see any publication, do not see more that before application that identical architectural feature is arranged is known, formerly public, and also not seeing on the market has similar products like, and has novelty really.
Structure of the present invention really in the power transmission than existing washing machine employed solenoid have more technological progress, and its particular structure feature and more can also be far from the power transmission of existing washing machine employed solenoid and can compare, employed solenoid has more technical progress in the power transmission of more existing washing machine, and have the multinomial effect of enhancement, and creative really.
Designer of the present invention studies this series products experience of existing ten several years, existing problem of employed solenoid and defective are quite understood in the power transmission for existing washing machine, and the present invention founds according to above-mentioned Study of Defects exploitation, it can reach its intended purposes and effect really, not only on the kenel of space, really belong to innovation, and the true accessory of employed solenoid has suitable enhancement effect in the power transmission of more existing washing machine, and existing known product has more technological progress and practicality, and produced handy and practical good effect, and have practicality really.
In sum, the present invention really belongs to innovation on the kenel of space, and has the multinomial effect of enhancement than existing product, and simple in structure, is suitable for practicality, has the extensive value of industry.It is in limited field, technical development space, no matter structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction partly of technical solution of the present invention feature, for making the professional and technical personnel can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the structural representation sectional view of existing automatic washing machine.
Fig. 2 is the structural representation sectional view of existing automatic washing machine power transmission.
Fig. 3 is the sectional view of the transmission of power of washing machine of the present invention with solenoidal structure.
Fig. 4 is the sectional view of the transmission of power of washing machine of the present invention with the movable connector of solenoidal structure transmission of power.
Fig. 5 is the decomposition side view of the transmission of power of washing machine of the present invention with solenoidal structure.
Fig. 6 a, 6b are sectional view and the plane of the transmission of power of washing machine of the present invention with the coil holder structure of solenoidal structure.
Fig. 7 is that the transmission of power of washing machine of the present invention is with the running status figure in the solenoidal constructed embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
The explanation of the symbol of the major part in the relevant accompanying drawing.
30. bearing housing 32. bearings
40. stator 42. stator coils
50. rotor 52. rotor yokes
53. magnet 54. installing holes
57. connecting bolt 58. drives the district
58 ', 59. sawtooth, 60. wash shaft
62. sawtooth 70. dehydrating shafts
72. sawtooth 80. movable connectors
80 ' spring, 81. movable yoke
82. adpting flange 83. jogs
85. connector 86. sawtooth
87. fixed lobe 88. folder thing pressing mold portions
89. brace groove 90. solenoids
92. yoke plate 1 92m. fixing hole
92r. guide rod installation portion 93. connects and refers to
94. connecting hole 95. guiding are concavo-convex
96. yoke plate 2 96 ' through hole
96b. contact site 96t. segment difference section
96w. through hole 97. jogs
98. connect seam 99. connecting holes
100. bobbin 101. through holes
102. coil 104. fixed lobes
105. guide rod 106,106 '. dividing plate
107. fixed head 108. installing spaces
109. overtemperature protection element
Below, will the comparatively ideal examples of implementation of as above washing machine power transmission of the present invention be described in detail with reference to accompanying drawing.
As shown in Figure 3, be arranged at the inside of body of the washing machine catch basin (not diagram) below be fixed with bearing housing 30.Above-mentioned bearing housing 30 is provided with the bearing 32 of the dehydrating shaft 70 that will illustrate below supporting.And pass such bearing housing 30, be provided with one heart below with the wash shaft 60 and the dehydrating shaft 70 that illustrate.
The lower end of above-mentioned bearing housing 30 is provided with the stator 40 of the drive source that constitutes washing machine, and the periphery of said stator 40 is wound with stator coil 42.With the stator 40 corresponding rotors 50 that are provided with.And above-mentioned rotor 50 will link to each other with above-mentioned wash shaft 60, and by rotating with the interaction of said stator 40.The rotor yoke 52 of such rotor 50 is provided with and the be separated by magnet 53 of certain spacing of said stator coil 42.In order to form the loop of the magnetic line of force, above-mentioned rotor yoke 52 will be made of metal material.
The central authorities of above-mentioned rotor yoke 52 are provided with insulating materials (as resin) and drive and distinguish the rotor axle sleeve 56 that 58 insert moldings form one.Above-mentioned rotor axle sleeve 56 plays insulating effect between above-mentioned rotor yoke 52 and wash shaft 60.For such rotor axle sleeve 56 and above-mentioned rotor yoke 52 are coupled together, be provided with a plurality of installations projection 56 '.These installation projectioies 56 ' inject among the installing hole 54 that forms on the rotor yoke 52, and by connecting bolt 57 above-mentioned rotor yoke 52 and rotor axle sleeve 56 are coupled together in this state.
Become with above-mentioned rotor axle sleeve 56 insert moldings on the outer peripheral face in above-mentioned driving district 58 of one, be formed with the following movable connector 80 that will illustrate mutually interlock transmit the sawtooth 58 of the power of rotor 50 '.And above-mentioned sawtooth 58 ' always the be not formed into upper end in above-mentioned driving district 58, the upper end in promptly above-mentioned driving district 58 also exist do not form sawtooth 58 ' part.
And, on the inner peripheral surface in above-mentioned driving district 58, be formed with the sawtooth 59 that wash shaft 60 was stung and come the transmission of power of rotor 50 is given to the sawtooth 62 that forms on the outer peripheral face with wash shaft 60 mutually.Like this, pass the central authorities that drive district 58, the lower end of wash shaft 60 is inserted into and is supporting, and comes transferring power by the interlock of above-mentioned sawtooth 62,59.
The center that wash shaft 60 will be passed dehydrating shaft 70 protrudes into the inside of above-mentioned sink (not having diagram), and forms the washing wing (impeller) at its front end.And the setting of above-mentioned dehydrating shaft 70 will allow above-mentioned wash shaft 60 run through its inner form (axle) with one heart.And such dehydrating shaft 70 will couple together with sink, rotates sink.Above-mentioned dehydrating shaft 70 to be provided with to such an extent that make the upper end in its lower end and above-mentioned driving district 58 approaching, and the lower end of above-mentioned dehydrating shaft 70 will be formed with sawtooth 72.Like this, the sawtooth 58 in above-mentioned driving district 58 ' peripheral diameter and the peripheral diameter of the sawtooth 72 of above-mentioned dehydrating shaft 70, in illustrated example, be identical.To be provided with bearing 74 so that support the rotation of above-mentioned wash shaft 60 on the above-mentioned dehydrating shaft 70.
Then, also be provided with along the sawtooth 72 of above-mentioned dehydrating shaft 70 and the sawtooth 58 in above-mentioned driving district 58 ' moving up and down selectively and giving above-mentioned dehydrating shaft 70 movable connectors 80 transmission of power of above-mentioned rotor 50.Above-mentioned movable connector 80 by the spring 80 ' resiliency supported on the following yoke plate that will illustrate 192, push to the sawtooth 58 in above-mentioned driving district 58 ' with the sawtooth 72 of dehydrating shaft 70 direction of interlock mutually simultaneously.
The structure of above-mentioned movable connector 80 is by Fig. 4 detailed icon.As shown in the figure, above-mentioned movable connector 80 is made of cylindrical shape, and above-mentioned dehydrating shaft 70 is running through its inside.
The inside of above-mentioned movable connector 80 is provided with connector 85.Above-mentioned connector 85 is metal powder sintered forming that oil is arranged by infiltration.Above-mentioned connector 85 will be to be added to torsion on the above-mentioned movable connector 80 for the backward rotation of bearing the above-mentioned wash shaft 60 that produces and dehydrating shaft 70 in braking procedure by the metal powder sintered reason that forms.And above-mentioned connector 85 to want the reason of immersion oil be in order to allow above-mentioned connector 85 along above-mentioned dehydrating shaft 70 with to drive the lifting in district 58 more sliding soon.
Be formed with on the inner peripheral surface of such connector 85 and the sawtooth 58 in above-mentioned driving district 58 ' and the sawtooth 72 of dehydrating shaft 70 sawtooth 86 of interlock mutually.And, be formed with a plurality of fixed lobes 87 on the outer peripheral face of above-mentioned connector 85.Said fixing projection 87 is in order to strengthen following folder thing pressing mold portion 88 that will illustrate and the contact-making surface between the connector 85, to make more firm the establishing of connection between them.
The connector 85 of said structure and movable yoke 81 couple together by folder thing pressing mold portion 88.Promptly be positioned under the state of inside of above-mentioned movable yoke 81, press from both sides the operation of thing pressing mold and form folder thing pressing mold portion 88 at connector 85.So just finished above-mentioned movable connector 80.
Simultaneously, the upper end of above-mentioned movable connector 80 be formed with support above-mentioned spring 80 ' the brace groove 89 of lower end, and above-mentioned brace groove 89 is formed at above-mentioned folder thing pressing mold portion 88.
Then, above-mentioned bearing housing 30 below be provided with solenoid 90 as the driving means that drives above-mentioned movable connector 80.Power supply is connected to above-mentioned solenoid 90, above-mentioned movable connector 80 will overcome above-mentioned spring 80 ' elastic force and move up, so the sawtooth 86 of above-mentioned connector 85 will with the sawtooth 58 in above-mentioned driving district 58 ' separate.
Yoke plate 1 (92) is a disc-shape as we can see from the figure, and its central authorities be formed with the through hole 92 that above-mentioned dehydrating shaft 70 passes '.In addition, the edge of above-mentioned yoke plate 1 (92) is formed with and is used for pulling 2 (96) connections that are connected with above-mentioned yoke and refers to 93.Above-mentioned connection refers to that 93 become to be advisable respectively to have dimorphism of one's own.Pull 1 (92) periphery around above-mentioned yoke and be formed with a plurality of connecting holes 94 of being connected with above-mentioned bearing housing 30 of being used for.
Also have, pull to be formed with on 1 (92) at above-mentioned yoke and a plurality ofly pull 2 (96) the guiding that is connected concavo-convex 95 with above-mentioned yoke in order to guide.Above-mentioned guiding concavo-convex 95 is being protruded towards pulling 2 (96) relative directions with above-mentioned yoke.And above-mentioned yoke pulls and also is provided with a plurality of fixing hole 92m for the bobbin 100 that will illustrate below fixing on 1 (92), and is formed with 105 guide rod installation portion 92r thereon of guide rod near an above-mentioned side fixing hole.
Above-mentioned yoke pull 2 (96) then for and above-mentioned yoke pull between 1 (92) and to form the space that bobbin 100 is installed, part has formed ladder in the central, and be formed with at the center of above-mentioned step part the through hole 96 that above-mentioned dehydrating shaft 70 passes through '.Promptly formed with above-mentioned yoke and pulled 1 (92) contact site 96b that links to each other and stepped segment difference section 96t.That is to say that discoid yoke pulls the central authorities of contact site 96b of 2 (96) peripheries and become stepped protrusion to form cut different unit 96t.
In the marginal portion of above-mentioned cut different unit 96t, promptly above-mentioned through hole 96 ' peripheral part, the jog 97 that the jog 83 that forms on the flange connector 82 of Cheng Youneng and above-mentioned movable connector 80 links to each other.
In addition, pull 2 (96) contact site 96b and the coupling part of segment difference section 96t at above-mentioned yoke, be formed with allow be wound on be positioned at above-mentioned yoke pull 1 (92) and yoke pull the connecting line through hole 96w that connecting line that the coil 102 on the bobbin 100 between 2 (96) links to each other with the outside passes.
And, above-mentioned contact site 96b with above-mentioned be connected to refer to be formed with on 93 correspondence positions that insert to connect connect seam 98, pull on 1 (92) the connecting hole 94 corresponding positions with above-mentioned yoke and then to be formed with connecting hole 99, thus make yoke pull 2 (96) and above-mentioned yoke pull 1 (92) and be connected to together on the bearing housing 30.
Pull the relative contact site 96b of 1 (92) guiding concavo-convex 95 with above-mentioned yoke, be formed with respectively pilot hole 99 ', with guide above-mentioned yoke pull 1 (92) and yoke pull 2 (96) installation site.
Such yoke pull 1 (92) and yoke pull 2 (96) inside bobbin 100 will be installed, and the connecting line of coil is delivered to the outside by above-mentioned connecting line through hole 96w, more above-mentioned connection is referred to that 93 insert above-mentioned connection seam 98 backs and are connected by warpage.
Above-mentioned bobbin 100 be positioned at above-mentioned yoke pull 1,2 (92) (96) between formed space, as shown in Figure 5, its middle body is formed with the through hole 101 of the up/down perforation at above-mentioned dehydrating shaft 70 places.
And, be wound with coil 102 in the peripheral shape space of above-mentioned bobbin 100.Simultaneously, on the relevant position above the above-mentioned bobbin 100, be formed with and insert the interior fixed lobe 104 of fixing hole 92m that above-mentioned yoke is pulled 1 (92) last formation.Near a side fixed lobe 104, then be formed with guide rod 105.
Then, the side on above-mentioned bobbin 100 forms the installing space 108 of promising installation overtemperature protection element 109.Promptly the side on above-mentioned bobbin 100 be formed with the dividing plate 106,106 of protrusion ', and aforementioned barriers 106,106 ' between the part that is equivalent to the upper end be formed with pressing plate 107.Like this aforementioned barriers 106,106 ' and pressing plate 107 and bobbin 100 top common formed above-mentioned installing space 108, above-mentioned installing space 108 inside then are provided with and prevent the above-mentioned coil 102 excessive overtemperature protection element 109 that heats up.Like this, above-mentioned overtemperature protection element 109 under the certain pressure of above-mentioned pressing plate 107, be clipped in aforementioned barriers 106,106 ' between.
Such overtemperature protection element 109 with provide the part of power supply in succession mutually to coil 102, send the signal of cutting off the electricity supply where necessary.Simultaneously, because above-mentioned overtemperature protection element 109 will detect the intensification situation of above-mentioned coil 102, so when design and installation space 108, also will consider the transmission situation of the heat of above-mentioned coil 102 to installing space 108.
Below will the effect of the washing machine power transmission of the present invention of structure be illustrated to having as above.
At first, illustrate by the power transmission transferring power of said structure and the situation of moving.Be used to drive the revolving force of washing machine, produce by the electromagnetic induction effect between said stator 40 and the rotor 50.
Above-mentioned rotor 50 rotations, above-mentioned driving district 58 just rotates, and interlock is next to wash shaft 60 transmission revolving forces mutually with regard to the sawtooth 62 with wash shaft 60 for the sawtooth 59 in above-mentioned driving district 58.And above-mentioned wash shaft 60 is rotated, and will make the washing wing (impeller) of the sink inside that is positioned at above-mentioned wash shaft 60 upper ends rotate or make the wash shaft and the washing wing to rotate simultaneously separately, thus agitator treating thing and slurry.
At this moment, in order only to allow above-mentioned wash shaft 60 rotate, will insert above-mentioned solenoid 90 to power supply, so that allow above-mentioned movable connector 80 move to top.Like this, movable connector 80 will overcome above-mentioned spring 80 ' elastic force move to top, jog 97 and above-mentioned jog 83 that above-mentioned yoke is pulled on 2 (96) combine.
In addition, above-mentioned movable connector 80 moves to top, originally with the sawtooth 86 of the sawtooth 58 ' interlock mutually in above-mentioned driving district 58 just no longer with the interlock of above-mentioned sawtooth 58 ' mutually.So the revolving force of above-mentioned rotor 50 just can not pass to above-mentioned movable connector 80, thus with above-mentioned movable connector 80 mutually the dehydrating shaft 70 of interlock just can not rotate yet.This state as shown in Figure 3.
On the one hand, carry out the dehydration of washings if rotate sink, above-mentioned wash shaft 60 and dehydrating shaft 70 be high speed rotating simultaneously.For this reason, above-mentioned solenoid 90 will cut off the power supply.Above-mentioned so movable connector 80 will above-mentioned spring 80 ' effect be moved to below.
Therefore, as shown in Figure 7, the upper end of the sawtooth 86 on the connector 85 of above-mentioned movable connector 80 will with sawtooth 72 interlock mutually of above-mentioned dehydrating shaft 70, the lower end will with the sawtooth 58 ' interlock mutually in above-mentioned driving district 58.
Like this, the revolving force of above-mentioned rotor 50 will rely on above-mentioned driving district 58 to pass to above-mentioned wash shaft 60 and movable connector 80, passes to above-mentioned dehydrating shaft 70 by above-mentioned movable connector 80 again.So above-mentioned wash shaft 60 and above-mentioned dehydrating shaft 70 just can rotate simultaneously.
The action situation of above-mentioned screwed pipe 90 also will be described on the one hand.Power supply inserts above-mentioned solenoid 90, and just as shown in Figure 3, above-mentioned movable connector 80 will be pulled through hole 96 ' rising on last 2 (96) by above-mentioned yoke.
Like this, above-mentioned yoke pull 1,2 (92) (96) and movable connector 80 on moving yoke 81 will be formed with the magnetic circuit that the magnetic line of force passes through.Promptly, as shown in Figure 3, above-mentioned movable connector 80 rises, make the upper end of movable yoke 81 and above-mentioned yoke pull 1 (92) fully near the time, will flow by above-mentioned magnetic circuit because of power supply inserts the magnetic line of force that electric field produced that above-mentioned coil 102 forms, thereby make solenoid 90 actions.
And, because above-mentioned overtemperature protection element 109 is mounted in the top of above-mentioned bobbin 100, thus can directly not be subjected to the influence of the heat that above-mentioned coil 102 produced, but to accept heat by the top transmission of bobbin 109.Prevented the damage that heat that above-mentioned overtemperature protection element 109 is produced because of above-mentioned coil 102 is subjected to like this,, thereby improved the stability of action also because of a certain amount of following heat can not be delivered to overtemperature protection element 109.
In addition; because above-mentioned overtemperature protection element 109 is to be inserted in the installing space 108 that is formed at above the above-mentioned bobbin 100; so the installation of above-mentioned overtemperature protection element 109 and above-mentioned coil 102 are irrelevant; thereby when having prevented installation exercise to the damage of coil 102; and get final product because of only being inserted in the installing space 108, so also there is installation exercise to be easy to advantage.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
The present invention relates to a kind of can be simultaneously or selectively to the solenoidal structure of transmission of power of the washing machine of washing machine wash shaft and dehydrating shaft transferring power.Be formed with installing space in a side that constitutes solenoidal bobbin, and in installing space, be provided with the overtemperature protection element.The overtemperature protection element is inserted into and is fixed between the dividing plate and fixed head that forms installing space, the heat that detection produces around the coil on the bobbin.Like this, the overtemperature protection element does not directly contact and the temperature of magnetic test coil with coil, thus the temperature reflection of coil is unlikely to too responsive, thus can make washing machine stable operation, and the overtemperature protection element can not be damaged because of overheated yet.And the installation of overtemperature protection element is easy, can not damage coil again.
Claims (1)
1. the solenoidal structure of the transmission of power of a washing machine; by bobbin; yoke plate 1; yoke plate 2 and overtemperature protection element; bobbin inside be formed with the driving shaft that is used to move washing machine through hole and the outside that will pass through be wound with coil; yoke plate 1 is positioned at an end of bobbin; the magnetic circuit of the magnetic line of force that formation is formed by coil; yoke plate 2 is positioned at the other end of bobbin; the magnetic circuit of the magnetic line of force that formation forms because of coil; the overtemperature protection element is in side of bobbin and the separated installing space of coil and the heat that magnetic test coil produced; it is characterized in that: described installing space (108) is by dividing plate (106; 106 ') and fixed head (107) constitute; dividing plate (106; 106 ') one side that is formed at bobbin (100) is projectedly divided the space; fixed head (107) is formed at dividing plate (106; 106 ') upper end of the installing space of Hua Fening (108) and pressing overtemperature protection element (109); overtemperature protection element (109) is under the certain pressure of fixed head (107); be clipped in dividing plate (106; 106 ') between; installing space (108) be formed at the bobbin (100) relative with yoke plate 1 (92) above; bobbin (100) top is formed with a plurality of fixed lobes (104) for being connected with yoke plate 1 (92) projectedly; the fixed lobe (104) that forms on the relevant position above the bobbin (100) can insert yoke plate 1 (92) and go up in the fixing hole (92m) that forms; be formed with guide rod (105) near the one side fixed lobe (104); yoke plate 1 (92) is provided with a plurality of fixing holes for fixed coil frame (100) (92m); and near a side fixing hole (92m), being formed with guide rod installation portion (92r), guide rod (105) is positioned on the guide rod installation portion (92r).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021211671A CN100398728C (en) | 2002-06-11 | 2002-06-11 | Conchoids structure used for power transmission of washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021211671A CN100398728C (en) | 2002-06-11 | 2002-06-11 | Conchoids structure used for power transmission of washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1464114A CN1464114A (en) | 2003-12-31 |
| CN100398728C true CN100398728C (en) | 2008-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021211671A Expired - Fee Related CN100398728C (en) | 2002-06-11 | 2002-06-11 | Conchoids structure used for power transmission of washing machine |
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| Country | Link |
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| CN (1) | CN100398728C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5509574B2 (en) * | 2008-10-29 | 2014-06-04 | ヤマハ株式会社 | Solenoid control device and automatic performance device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5967995A (en) * | 1982-10-07 | 1984-04-17 | 松下電器産業株式会社 | Electric washer |
| JPS59177903A (en) * | 1983-03-28 | 1984-10-08 | Matsushita Electric Ind Co Ltd | Protecting device for solenoid |
| JPH08247171A (en) * | 1995-03-08 | 1996-09-24 | Sanden Corp | Electromagnetic device |
| JP2001070686A (en) * | 1999-07-07 | 2001-03-21 | Hitachi Ltd | Electric washing machine |
-
2002
- 2002-06-11 CN CNB021211671A patent/CN100398728C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5967995A (en) * | 1982-10-07 | 1984-04-17 | 松下電器産業株式会社 | Electric washer |
| JPS59177903A (en) * | 1983-03-28 | 1984-10-08 | Matsushita Electric Ind Co Ltd | Protecting device for solenoid |
| JPH08247171A (en) * | 1995-03-08 | 1996-09-24 | Sanden Corp | Electromagnetic device |
| JP2001070686A (en) * | 1999-07-07 | 2001-03-21 | Hitachi Ltd | Electric washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1464114A (en) | 2003-12-31 |
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