A kind of rotary drum washing machine
Technical field
The utility model is related to household electrical appliance technical field, more particularly to a kind of rotary drum washing machine.
Background technology
Washing machine is to act on washing the cleaning appliance of clothing using electricity generator tool, with the improvement of living standards,
Requirement of the people to washing machine also more and more higher, the details of use structure of washing machine can also cause the attention of consumer.For washing
The consideration of clothing machine cost, existing washing machine generally determines checking system using substance hood lock, and determining checking system when hood lock goes out
After existing failure, if can still export locked signal, washing machine normal work, the washing tube in steel ladle rotates at a high speed.
Now, pick and place clothes if user is reached into washing tube or detergent is poured into washing tube or child opens unintentionally machine
Lid, danger coefficient is high, easily causes serious security incident.
Utility model content
In order to solve shortcoming and defect present in above-mentioned prior art, the utility model provides a kind of using safety system
The high rotary drum washing machine of number.
In order to realize above-mentioned technical purpose, the rotary drum washing machine that the utility model is provided, including open-topped casing and
It is fixedly arranged in the control seat of casing top, casing and is provided with steel ladle, washing tube and impeller, control seat is provided with input port and control
Circuit, casing top rotates the cover for being provided with and being used for being opened and closed input port, provided with safety open shutdown between the cover and control seat
Structure, safety switching mechanism includes the safety switch for being electrically connected to control circuit, and cover is provided with trigger member, and cover is covered so as to touch
Outbox triggers safety switch.
It is preferred that, the safety switching mechanism also includes seat shell, and seat shell is provided with the accommodating chamber for accommodating safety switch, safety
Switch is fixedly arranged in accommodating chamber, and seat shell is fixedly arranged on the bottom of control seat.
It is preferred that, the safety switching mechanism also include bucker, bucker provided with accommodate seat shell cavity, seat shell and
Fixed mechanism is provided between bucker.
It is preferred that, the seat shell is fixed on bucker by screw, fixed mechanism include buckle in the seat shell and
In stake holes and neck and fixing hole on bucker, buckle insertion neck, screw is tightened against in fixing hole after passing through stake holes.
It is preferred that, the control seat bottom is provided with the cavity for being used for accommodating bucker, and bucker is fixedly arranged on by fastener
In cavity, the bottom wall of cavity is provided with the boss with fastener hole, and bucker is provided with through hole, and fastener is tightened against after passing through through hole
In fastener hole;Or, the bucker is fixedly arranged in cavity by buckle structure.
It is preferred that, on the bottom wall of the cavity and/or cavity sidewalls be connected at the position of bottom wall be provided with some leaks
Hole.
It is preferred that, bucker bar shaped block reinforcement provided with protrusion on the dorsad surface of control seat, bar shaped block reinforcement is located at
Between leaking hole and washing machine center.
It is preferred that, the bucker is provided with side block muscle in the side towards washing machine center, control seat bottom surface be provided with to
Lower protrusion and the convex tendon coordinated with side block muscle.
It is preferred that, the safety switch is provided with two, and two safety switches are each electrically connected to control circuit.
It is preferred that, the safety switch uses magnetic switch or tongue tube, and the trigger member is the magnetic being fixedly arranged on cover
Iron.
After adopting the above technical scheme, the rotary drum washing machine that the utility model is provided has the following advantages that:
1st, the rotary drum washing machine that the utility model is provided, has added safety switching mechanism between cover and control seat, has had
Effect meets the functional requirement of washing machine duplicate protection.Safety switching mechanism include be electrically connected to control circuit safety switch and
Trigger member on cover.After washing machine starts, if opening cover in dehydration, due to the effect of safety switch, control electricity
Road can not obtain the useful signal of safety switch, and control circuits command motor power-off, washing tube stops operating, and user reaches into
Picked and placeed in washing tube clothing or to washing tube put detergent upside down when, will not cause danger, effectively improve washing machine using safety
Property.Especially young children are opened after cover out of curiosity or unintentionally, and washing tube does not rotate, it is to avoid occur safe thing
Therefore.
2nd, safety switch is fixed in the accommodating chamber in seat shell, and seat shell is fixed in the cavity on bucker, seat shell and anti-
Connected between water cover by fixed mechanism.Safety switch is fixed in the confined space that seat shell and bucker are constituted, it is to avoid washing
Washings in bucket spatter safety switch with water and bring it about short circuit and fail, and improve the stability of safety switching mechanism, further protect
Demonstrate,prove the safety in utilization of washing machine.In addition, the part of composition safety switching mechanism is few and cost is low, it can effectively shorten assembler
When, improve production efficiency.
3rd, fixed mechanism includes the buckle and stake holes and neck and fixing hole on bucker in seat shell, buckle
Insert and realize that positioning, screw are tightened against in fixing hole after passing through stake holes in neck.The side of seat shell and bucker by buckle and
The cooperation of neck is fixed, and opposite side is fixed by screw, can be real by a screw between seat shell and bucker
Now it is fixedly mounted, greatly reduces the screw number needed for assembling, while is conducive to shortening assembly work.
4th, bucker is fixed on by fastener in the cavity of control seat bottom, and fixed form is simple, is easy to dismounting.
5th, on the bottom wall of cavity and/or cavity sidewalls set some leaking holes being connected at the position of bottom wall, washing tube
Interior washings centrifugalization, which is splashed into after cavity, to be backed downward at leaking hole in steel ladle, it is to avoid be splashed into washing in cavity
Wash water accumulation to soak safety switch afterwards to a certain extent and scrap it, improve the stability in use of safety switching mechanism.
6th, bar shaped convex tendon is located between leaking hole and washing machine center, it is to avoid the washings in washing tube fly at leaking hole
Splash to enter or condense and enter in the cavity of bucker, the ill effect for further avoiding washings from causing safety switching mechanism,
Improve the stability and service life of safety switching mechanism.
7th, on bucker side block muscle and the convex tendon of control seat bottom surface coordinates, and forms a retaining section, it is to avoid in washing tube
Washings self waterproofing cover and control seat between gap be splashed into bucker, it is to avoid shadow of the washings to safety switching mechanism
Ring.
8th, safety switch sets two, and two safety switches are each electrically connected to control circuit.Only in two safety
When switch sends effective working signal to control circuit simultaneously, control circuit ability order washing machine carries out normal dehydration journey
Sequence.If the invalidating signal that any safety switch is sent, control circuit can not send working signal, and washing machine can not be dehydrated,
The purpose of duplicate protection is so realized, the safety in utilization of washing machine is further improved.
9th, safety switch uses magnetic switch or tongue tube, and trigger member uses magnet, constitutes the component of safety switching mechanism
Simply, it is easy to assembling.When apparatus lid opening exceedes certain distance, magnetic switch or tongue tube disconnect, it is impossible to sent to control circuit
Effective working signal, washing machine is stopped, and washing tube stops operating, and the protecting effect that safety switching mechanism is realized is good.
Brief description of the drawings
Fig. 1 is the overall schematic of the utility model rotary drum washing machine embodiment one;
Fig. 2 is the explosive view of control seat and cover in the utility model rotary drum washing machine embodiment one;
Fig. 3 is the enlarged drawing at A in Fig. 2;
Fig. 4 is fixed on the schematic diagram in seat shell for safety switch in the utility model rotary drum washing machine embodiment one;
Fig. 5 a, 5b are the stereogram of bucker in the utility model rotary drum washing machine embodiment one;
Fig. 6 is fixed on the schematic diagram on bucker for seat shell in the utility model rotary drum washing machine embodiment one;
Fig. 7 shows for the part that safety switching mechanism in the utility model rotary drum washing machine embodiment one is fixed on control seat
It is intended to;
Fig. 8 is that control seat in the utility model rotary drum washing machine embodiment one and cover edge are fixed at safety switching mechanism
Sectional view.
In figure, 1- casings, 2- control seats, 21- input ports, 22- cavitys, 23- boss, 24- fastener holes, 25- convex tendons, 3- machines
Lid, 41- leads, the binding posts of 42- first, 5- safety switches, 51- wires, the binding posts of 52- second, 53- elastic hooks, 6-
Shell, 61- accommodating chambers, 62- buckles, 63- stake holes, 7- buckers, 71- cavitys, 72- necks, 73- fixing holes, 74- through holes, 75- leakages
Water hole, 76- bar shaped block reinforcements, 77- side block muscle, 78- beadings, 8- trigger member.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, following " top ", " bottom ",
"left", "right" orientation shown in scheme is defined.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 shows, the rotary drum washing machine that the utility model embodiment one is provided, including open-topped case
Steel ladle, washing tube and impeller are provided with body 1 and the control seat 2 for being fixed on casing top, casing 1.Seat 2 is controlled provided with control
Circuit and the input port 21 for picking and placeing clothing, the top of casing 1 is rotatablely equipped with the cover 3 for being opened and closed input port 21.Control
Circuit processed includes lead 41 and is fixed on the first binding post 42 of lead terminal.Safety open is provided between cover 3 and control seat 2
Shutting mechanism, as shown in Fig. 4 to Fig. 8, safety switching mechanism includes being electrically connected to the safety switch 5 of control circuit, pacified for fixed
The seat shell 6 of full switch and the bucker 7 for fixing seat shell, cover 3 are provided with trigger member 8, and trigger member 8 is touched when cover 3 is covered
Send out safety switch.
After washing machine starts, if opening cover in dehydration, safety switch 5 can not send effective letter to control circuit
Number, control circuits command motor power-off, washing tube stops operating, and user, which is reached into washing tube, picks and places clothing or to washing tube
Put upside down detergent when, will not cause danger, effectively improve the safety in utilization of washing machine.Children's out of curiosity or unintentionally opening machine
Gai Hou, washing tube does not rotate, it is to avoid occur security incident.
As shown in figure 4, seat shell 6 is provided with the accommodating chamber 61 for being used for accommodating safety switch 5, safety switch 5 passes through sealing glue position
Reason is fixed in accommodating chamber 61.Safety switch 5 is provided with the wire 51 that electrically connect with safety switch, and the end of wire is provided with the
The second binding post 52 that one binding post 42 coordinates, the second binding post is provided with elastic hook 53, the first binding post 42
Provided with the groove matched with elastic hook.Safety switch 5 is electrically connected to by the cooperation of the second binding post and the first binding post
Control circuit.
As shown in Fig. 5 a, Fig. 5 b and Fig. 6, bucker 7 is provided with the cavity 71 for being used for accommodating seat shell 6, seat shell 6 and bucker
Fixed mechanism is provided between 7.
In the present embodiment, seat shell 6 is fixedly mounted on by screw in the cavity of bucker 7, and fixed mechanism includes being located at seat
In buckle 62 and stake holes 63 on shell 6 and neck 72 and fixing hole 73 on bucker 7, the insertion neck 72 of buckle 62, spiral shell
Follow closely and be tightened against through after stake holes 63 in fixing hole 73.
In this implementation, buckle 62 is on the outer wall of seat shell 6, and buckle 62 and stake holes 63 are respectively arranged on relative the two of seat shell
Side, neck 72 and fixing hole 73 are respectively arranged on the opposite sides of cavity 71.The side of seat shell 6 and bucker 7 passes through the He of buckle 62
The cooperation of neck 72 is pre-fixed, and opposite side is fixed by screw, is by a screw between seat shell and bucker
It can be achieved to be fixedly mounted, greatly reduce the screw number needed for assembling, while being conducive to shortening assembly work.
As shown in figure 3, control seat 2 bottom is provided with the cavity 22 for being used for accommodating bucker 7, bucker is fixed by fastener
In in cavity.The bottom wall of cavity 22 is provided with downwardly projecting boss 23, and boss is provided with fastener hole 24, the side of bucker 7
Provided with through hole 74.The opposite side of bucker is provided with beading 78, and the side wall of cavity 22 is provided with the bar-shaped trough that voltage supply muscle is inserted.Waterproof
Realize and pre-fix in the insertion bar-shaped trough of beading 78 on cover 7, fastener is tightened against in fastener hole 24 after passing through through hole 74.Or,
Buckle structure is set between bucker 7 and control seat 2, bucker is fixedly arranged in cavity 22 by buckle structure.
Bucker 7 is provided with some leaking holes 75 connected with cavity 71, and leaking hole 75 is located on the bottom wall of cavity 71, or
Person, leaking hole is located on the side wall of cavity and the junction in side wall and bottom wall, or, leaking hole is simultaneously located at the bottom of cavity
With the junction of bottom wall on wall and cavity sidewalls.Washings centrifugalization in washing tube is splashed into after cavity 71 can be from leaking hole
Backed downward at 75 in steel ladle, it is to avoid safety switch 5 is soaked in the washings accumulation being splashed into cavity afterwards to a certain extent makes it
Scrap, improve the stability in use of safety switching mechanism.
Bucker 7 is on the dorsad surface of control seat 2 provided with the bar shaped block reinforcement 76 for protruding from bucker surface, bar shaped block reinforcement
Between leaking hole 75 and washing machine center, it is to avoid the washings in washing tube splashed at leaking hole 75 entrance or condense into
Enter in the cavity 71 of bucker 7.In the present embodiment, safety switching mechanism is at the right anterior angle of washing machine, and bar shaped block reinforcement 76 is set
Put in the left side of leaking hole 75.
Bucker 7 is provided with side block muscle 77 in the side towards washing machine center, control seat 2 bottom surface provided with downwardly projecting and
The convex tendon 25 coordinated with side block muscle.In the present embodiment, convex tendon 25 is located at the left side of cavity 22, and side block muscle 77 and convex tendon 25 coordinate shape
Into the retaining section of a L-shaped, it is to avoid the gap between washings self waterproofing cover 7 and control seat 2 in washing tube is splashed into bucker 7
It is interior, it is to avoid influence of the washings to safety switching mechanism.
In the present embodiment, safety switch 5 is provided with two, and two safety switches are each electrically connected to control circuit.Only
When two safety switches 5 send effective working signal to control circuit simultaneously, control circuit could the progress of order washing machine
Normal dehydration procedure.If the invalidating signal that any safety switch is sent, control circuit can not send working signal, and washing machine is not
It can be dehydrated, so realize the purpose of duplicate protection, further improve the safety in utilization of washing machine.
Safety switch 5 uses magnetic switch or tongue tube, and trigger member 8 is the magnet being fixedly arranged on cover 3.Specific to this reality
Apply in example, two safety switches 5 are magnetic switch or tongue tube.In order to ensure using effect, when cover 3 is closed, magnet position
In the top of safety switch 5.The component for constituting safety switching mechanism is simple, is easy to assembling.When apparatus lid opening exceedes certain distance,
Safety switch 5 disconnects, and washing machine is stopped, and washing tube stops operating, and the protecting effect that safety switching mechanism is realized is good.
As shown in Figure 7, Figure 8, during installation, first safety switch 5 is fixed in the accommodating chamber 61 in seat shell 6, makes accommodating chamber
Open side towards cavity 71 bottom wall, buckle 62 insertion neck 72 in, screw pass through stake holes 63 after be tightened against in fixing hole 73,
Seat shell 6 is fixed on bucker 7.Safety switch 5 is fixed in the confined space that seat shell 6 and bucker 7 are constituted, it is to avoid washing tube
Interior washings spatter safety switch with water and bring it about short circuit and fail, and improve the stability of safety switching mechanism.
Then, make the open side of cavity 71 towards the bottom wall of cavity 22, beading 78 is inserted in bar-shaped trough, and fastener passes through logical
It is tightened against behind hole 74 in fastener hole 24, bucker 7 is fixed in the cavity 22 of control seat 2.77, side block muscle on bucker 7
In the lower section of convex tendon 25, side block muscle 77 and convex tendon 25 cooperatively form the retaining section of a L-shaped.
Finally, by the second binding post 52 by the mating connection of elastic hook 53 and groove in the first binding post 42, make
The Access Control circuit of safety switch 5.
When cover 3 is closed, two safety switches 5 send effective signal, washing machine normal work to control circuit.Machine
Lid 3, which is opened, to be exceeded after certain amplitude, and the distance between trigger member 8 and safety switch 5 exceed sphere of action, as long as either switch is sent out
Go out invalid signal, control circuits command motor power-off, washing machine is stopped, and washing tube is not rotated, and realizes duplicate protection
Purpose.
Embodiment two
The present embodiment in place of the difference of embodiment one with being, a safety switch 5 uses magnetic switch, another safety
Switch uses tongue tube, and magnetic switch and tongue tube are electrically connected in control circuit.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root
It is variously modified and deforms according to the utility model, without departing from spirit of the present utility model, the utility model all should be belonged to
Scope as defined in the claims.