CN103321023B - Drain valve on-off control device - Google Patents
Drain valve on-off control device Download PDFInfo
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- CN103321023B CN103321023B CN201310254955.5A CN201310254955A CN103321023B CN 103321023 B CN103321023 B CN 103321023B CN 201310254955 A CN201310254955 A CN 201310254955A CN 103321023 B CN103321023 B CN 103321023B
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- drain valve
- opening
- closing
- controller
- convex platform
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Abstract
A drain valve on-off control device with a waterproof and/or dustproof mechanism comprises a shell, a traction rope, a traction wheel and a drain valve connecting piece, one end of the traction rope is in traction connection with the traction wheel, the other end of the traction rope is connected with the drain valve connecting piece, and a through hole for the traction wheel to pass is formed in the shell. The shell is further provided with a waterproof mechanism which comprises an upper boss and a lower boss, the upper boss is arranged on the upper half of the shell, is in a 'Pi' shape and encloses the through hole on the upper side, the left side and the right side, and the lower boss is arranged on a protruding portion of the lower half of the shell and extends outwards relative to the outer surface of the shell. By the adoption of the waterproof and/or dustproof mechanism, damage to the drain valve on-off control device due to water drop and/or dust from the outside can be reduced.
Description
Technical field
The present invention relates to a kind of controller for opening and closing of drain valve, in particular to a kind of controller for opening and closing of drain valve for washing machine.
Background technology
The drainage system of washing machine etc. is mainly controlled by draining valve, and the opening and closing of draining valve has then been come by controller for opening and closing of drain valve.When washing machine needs draining, starter motor, pulls open draining valve; After draining valve pulls open, stay for some time, to carry out draining; After draining terminates, draining valve return, blocks water discharge outlet.
In existing controller for opening and closing of drain valve, can be the connecting rod matched with cam for drawing the functional unit of draining valve, also can be pull rope.Draining valve is operated by connecting rod or pull rope.
Fig. 1 have employed the schematic diagram of pull rope as the controller for opening and closing of drain valve of traction element.Zoomed-in view in Fig. 1 shows the state that pull rope extends out from controller for opening and closing of drain valve.As can be seen from Figure 1 controller for opening and closing of drain valve has shell 1, pull rope 2, and is arranged on shell 1 for the perforation 11 that pull rope 2 passes through.As shown in enlarged drawing in Fig. 1, perforation 11 has the size being greater than pull rope diameter.In addition, the first half of shell 1 has opening 111 on the direction of the latter half towards shell 1, this opening 111 matches with the bossing 12a on lower housing, while the motion of in the vertical direction restriction pull rope 2, facilitates the top and the bottom of shell 1 to install.Owing to being controller for opening and closing of drain valve, its shell often there will be and drip, therefore adopt closure mechanism on the whole more.But as the structure in Fig. 1, it is inner that dripping on shell 1 may enter into controller for opening and closing of drain valve 100a from perforation 11, thus may damage the drain motor of controller for opening and closing of drain valve 100a and inside thereof.
Fig. 2 is the schematic diagram of the internal structure of the controller for opening and closing of drain valve of Fig. 1.Zoomed-in view in Fig. 2 shows the state that pull rope extends out from controller for opening and closing of drain valve.As shown in Figure 2, the bossing 12a being arranged at lower housing has opening 121a, and its opening direction is upwards, and can limit pull rope 2 movement in the horizontal direction.Because opening 121a makes inside and the space outerpace UNICOM of controller for opening and closing of drain valve 100a, therefore, dust and the water capacity easily enter, thus may damage the drain motor of controller for opening and closing of drain valve 100a and inside thereof.
Summary of the invention
According to the embodiment of the present invention, provide a kind of controller for opening and closing of drain valve with waterproof and/or dust-proof mechanism, comprise: shell, pull rope, traction wheel and draining valve connector, one end of described traction wheel traction pull rope, the other end of pull rope is connected with draining valve connector, shell is provided with the perforation passed through for pull rope, and shell is provided with proof mechanism of water further, wherein, described proof mechanism of water comprises: convex platform and lower convex platform, convex platform is arranged on the first half of shell, and this convex platform, in " Π " shape, surrounds perforation in upper, left and right three faces; Lower convex platform is arranged at the bossing of shell the latter half, its outwardly stretching out relative to shell.
According in the controller for opening and closing of drain valve of the embodiment of the present invention, also comprise catch, and the level trough holding described catch lower edge is provided with in the bottom of described bossing, be provided with the vertical channel inserted for described catch on the top of described bossing, described catch can be moved under the restriction of described level trough and described vertical channel.
Have employed the waterproof according to the embodiment of the present invention and/or dust-proof mechanism, can reduce from outside drip and/or dust for the infringement of controller for opening and closing of drain valve.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described below by the accompanying drawing of embodiment, apparently, the accompanying drawing in the following describes only relates to some embodiments of the present invention, but not limitation of the present invention.
Fig. 1 have employed the schematic diagram of pull rope as the controller for opening and closing of drain valve of traction element;
Fig. 2 is the schematic diagram of the internal structure of the controller for opening and closing of drain valve of Fig. 1;
Fig. 3 is the schematic diagram of controller for opening and closing of drain valve according to an embodiment of the invention;
Fig. 4 is the schematic diagram of controller for opening and closing of drain valve in accordance with another embodiment of the present invention;
Fig. 5 is the internal mechanism schematic diagram of the controller for opening and closing of drain valve according to another embodiment of the present invention;
Fig. 6 is the schematic diagram of the dust-proof mechanism of controller for opening and closing of drain valve according to the embodiment of the present invention.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing of the embodiment of the present invention, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on described embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of protection of the invention.
Unless otherwise defined, technical term used herein or scientific terminology should be in field belonging to the present invention the ordinary meaning that the personage with general technical ability understands." first ", " second " that use in patent application specification of the present invention and claims and similar word do not represent any order, quantity or importance, and are only used to distinguish different parts.Equally, the similar word such as " " or " " does not represent that quantity limits yet, but represents to there is at least one.
Fig. 3 is the schematic diagram of controller for opening and closing of drain valve according to an embodiment of the invention.Zoomed-in view in Fig. 3 specifically illustrates the proof mechanism of water arranged on the housing of controller for opening and closing of drain valve.
As previously mentioned, in the structure of fig. 1, it is inner that dripping on controller for opening and closing of drain valve 100a shell 1 may enter into controller for opening and closing of drain valve 100a from perforation 11, thus may damage the drain motor of controller for opening and closing of drain valve 100a and inside thereof.
In the controller for opening and closing of drain valve 100b shown in Fig. 3, shell 1 is provided with proof mechanism of water 13b.Proof mechanism of water 13b comprises convex platform 131b and lower convex platform 132b.Convex platform 131b is arranged on the upper half-shells of shell 1, and this convex platform 131b, in " Π " shape, surrounds perforation 11 in upper, left and right three faces.Lower convex platform 132b is arranged on the bossing 12b on shell 1 lower housing, and it outwardly stretches out relative to shell 1.Lower convex platform 132b can have slightly downward-sloping upper surface or a part of upper surface, the water on it is flow down, as shown in Figure 3 along this upper surface.
Because convex platform 131b has projection relative to the outer surface of shell 1, therefore can prevent the water flowed down along shell 1 from entering perforation 11 in whole or in part.In like manner, lower convex platform 132b has projection relative to the outer surface of shell 1, and this projection can have a part of upper surface slightly downward-sloping relative to perforation 11, therefore it can play the effect preventing the water on shell 1 from flowing into controller for opening and closing of drain valve 100b inside together with convex platform 131b.
Fig. 4 is the schematic diagram of controller for opening and closing of drain valve in accordance with another embodiment of the present invention.Zoomed-in view in Fig. 4 specifically illustrates the proof mechanism of water arranged on the housing of controller for opening and closing of drain valve.In the controller for opening and closing of drain valve 100c shown in Fig. 4, proof mechanism of water 13c comprises convex platform 131c and lower convex platform 132c.Enlarged drawing in comparison diagram 4 and the enlarged drawing in Fig. 3, compare with lower convex platform 132b with the convex platform 131b of controller for opening and closing of drain valve 100b, and convex platform 131c and lower convex platform 132c extends the hypotenuse 1331 and 1332 outside relative to perforation 11 respectively.
As shown in fig. 4 in enlargement, convex platform 131c is made up of the part and hypotenuse 1331 corresponding to convex platform 131b, and because hypotenuse 1331 stretches out relative to perforation 11, the part that itself and convex platform 131c correspond to convex platform 131b forms an obtuse angle alpha, such as, 135 °.Due to the existence of this obtuse angle alpha, make to flow to the shipwreck of the part corresponding to convex platform 131b convex platform 131c to flow into perforation 11 along hypotenuse 1331 from shell 1, but flow to the below of perforation 11 along the passage be jointly made up of the part and hypotenuse 1331 that correspond to convex platform 131b in shell 1, convex platform 131c.Lower convex platform 132c is made up of the part and hypotenuse 1332 corresponding to lower convex platform 132b.In this embodiment, the described part corresponding to lower convex platform 132b does not have downward-sloping a part of upper surface, and only has the boss structure of a level.Because hypotenuse 1332 stretches out relative to perforation 11, the part (i.e. the boss structure of described level) that itself and lower convex platform 132c correspond to lower convex platform 132b forms an obtuse angles beta downwards, such as, and 135 °.Due to the existence of this obtuse angles beta, hypotenuse 1332 downward bending, the water making to flow to the part corresponding to lower convex platform 132b in lower convex platform 132c can be drained into the below of perforation 11 by hypotenuse 1332.Thus, the proof mechanism of water 13c with hypotenuse 1331 and hypotenuse 1332 can obtain waterproof effect more better than the proof mechanism of water 13b in Fig. 3.
Fig. 5 is the internal mechanism schematic diagram of the controller for opening and closing of drain valve according to another embodiment of the present invention.Zoomed-in view in Fig. 5 shows the dust-proof mechanism mated with pull rope according to this embodiment.
As previously mentioned, in the structure shown in Fig. 2, because opening 121a makes inside and the space outerpace UNICOM of controller for opening and closing of drain valve 100a, therefore, dust easily enters with dripping, thus may damage the drain motor of controller for opening and closing of drain valve 100a and inside thereof.In the structure shown in Fig. 5, controller for opening and closing of drain valve 100d comprises shell 1, pull rope 2, traction wheel 3 and draining valve connector 4.Operationally, drain motor drives pull rope by traction wheel, and pull rope pulls draining valve plug, and when draining is replied, draining valve plug returns under the spring action of himself, and pulling traction rope is replied.
Further, the bossing 12d being arranged at lower housing has clamp structure, can clamp catch 14.Specifically, the bottom of bossing 12d is provided with the level trough that can hold catch 14 lower edge, and the top of bossing 12d has vertical channel structure at (comprising opening 121d), can insert for catch 14.
Due to pull rope 2 draw or reply time unsteady motion, this motion has certain amplitude, namely may left and right, move up and down.If by the size that reduces perforation 11 in the scheme of Fig. 1 or reduce opening 121a in the arrangement in fig. 2 and play dust-proof effect, then can strengthen the wearing and tearing between pull rope and perforation or opening.And in the scheme of Fig. 5, catch 14 is movable part, under the restriction of the vertical channel structure on bossing 12d top and the level trough structure of bottom, it can follow pull rope about 2, side-to-side movement, and the upper motion in direction (fore-and-aft direction) can not drawn at pull rope 2, reply.Thus the wearing and tearing that can reduce between pull rope 2 and shell 1.
As shown in enlarged drawing in Fig. 5, the middle part of catch 14 has the hole clipping 141 of passing for pull rope 2, and the top edge from hole clipping 141 to catch 14 is provided with draw-in groove 142, as the passage installing pull rope 2.
Optionally, the diameter of this hole clipping 141 substantially with the equal diameters of pull rope 2; The width of draw-in groove 142 narrows from top to bottom gradually, and its Breadth Maximum is slightly larger than the diameter of pull rope 2, and minimum widith is slightly less than the diameter of pull rope 2.Based on this structure, when mounted, the rope body of pull rope 2 is slipped into downwards along draw-in groove 142, finally enters into hole clipping 141.Catch 14 can have certain deformability, thus makes pull rope 2 can be less than the part of pull rope 2 diameter by draw-in groove 142 width.Lower width due to draw-in groove 142 is less than the diameter of pull rope 2, therefore pull rope 2 can be stuck in hole clipping 141.Like this, when pull rope 2 vertically, left and right directions motion time, due to the clamping effect of hole clipping 141 and draw-in groove 142, catch 14 moves together with pull rope 2, and pull rope 2 can not depart from catch 14.Meanwhile, catch 14 also reduces the opening of controller for opening and closing of drain valve inside and space outerpace UNICOM, thus can play dust-proof effect, and the auxiliary effect playing waterproof.
In the scheme of Fig. 5, have employed the proof mechanism of water shown in Fig. 3, specifically, show the lower convex platform 132b of the bossing 12 be arranged on shell 1 lower housing.As shown in Figure 5, in this embodiment, a part of upper surface of lower convex platform 132b is downward-sloping, and its lower surface is still parallel to the outwardly direction of lower convex platform 132b.
Fig. 6 is the schematic diagram of the dust-proof mechanism of controller for opening and closing of drain valve according to the embodiment of the present invention.Compared with the controller for opening and closing of drain valve in Fig. 5, difference is that the scheme in Fig. 6 have employed the proof mechanism of water in Fig. 4.From Fig. 6, lower convex platform 132c and hypotenuse 1332 can be more clearly visible, and β angle.
According to embodiments of the invention, pull rope 2 can be steel wire rope or nylon rope etc.
According to the structure of the embodiment of the present invention, the proof mechanism of water being arranged on controller for opening and closing of drain valve outer side and the dust-proof mechanism being arranged at survey in this shell independently can play waterproof and dust-proof effect.Therefore, described proof mechanism of water and dust-proof mechanism also can be separate settings, that is, can realize in same valve controller for opening and closing, also can realize in different valve controller for opening and closing.
According to controller for opening and closing of drain valve of the present invention, more preferably, the drain valve assembly of washing machine is applicable to.
The above is only exemplary embodiment of the present invention, but not for limiting the scope of the invention, protection scope of the present invention is determined by appended claim.
Claims (10)
1. a controller for opening and closing of drain valve, comprise: shell, pull rope, traction wheel and draining valve connector, described traction wheel draws one end of described pull rope, and the other end of described pull rope is connected with described draining valve connector, be provided with the perforation passed through for described pull rope on the housing, it is characterized in that, described shell is provided with proof mechanism of water further
Wherein, described proof mechanism of water comprises: convex platform and lower convex platform,
Described convex platform is arranged on the first half of described shell, and this convex platform, in " Π " shape, surrounds described perforation in upper, left and right three faces;
Described lower convex platform is arranged at the bossing of described shell the latter half, its outwardly stretching out relative to shell.
2. controller for opening and closing of drain valve according to claim 1, is characterized in that, described lower convex platform has slightly downward-sloping upper surface or one portion of upper surface is slightly downward-sloping.
3. controller for opening and closing of drain valve according to claim 1, is characterized in that, described convex platform and lower convex platform extend the hypotenuse outside relative to described perforation respectively.
4. controller for opening and closing of drain valve according to claim 3, is characterized in that, the planar section of the hypotenuse that described convex platform extends and this convex platform in obtuse angle.
5. controller for opening and closing of drain valve according to claim 4, is characterized in that, described obtuse angle is 135 °.
6. controller for opening and closing of drain valve according to claim 3, is characterized in that, the planar section of the hypotenuse that described lower convex platform extends and this lower convex platform in obtuse angle.
7. controller for opening and closing of drain valve according to claim 6, is characterized in that, described obtuse angle is 135 °.
8. controller for opening and closing of drain valve according to claim 1, it is characterized in that, comprise catch, and the level trough holding described catch lower edge is provided with in the bottom of described bossing, be provided with the vertical channel inserted for described catch on the top of described bossing, described catch can be moved under the restriction of described level trough and described vertical channel.
9. controller for opening and closing of drain valve according to claim 8, is characterized in that, the middle part of described catch has the hole clipping of passing for described pull rope, and is provided with draw-in groove from described hole clipping to the top edge of this catch.
10. controller for opening and closing of drain valve according to claim 9, is characterized in that, the diameter of described hole clipping substantially with the equal diameters of described pull rope; The width of described draw-in groove narrows from top to bottom gradually, and its Breadth Maximum is slightly larger than the diameter of described pull rope, and minimum widith is slightly less than the diameter of described pull rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310254955.5A CN103321023B (en) | 2013-06-24 | 2013-06-24 | Drain valve on-off control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310254955.5A CN103321023B (en) | 2013-06-24 | 2013-06-24 | Drain valve on-off control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103321023A CN103321023A (en) | 2013-09-25 |
| CN103321023B true CN103321023B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310254955.5A Active CN103321023B (en) | 2013-06-24 | 2013-06-24 | Drain valve on-off control device |
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| Country | Link |
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| CN (1) | CN103321023B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200141003Y1 (en) * | 1996-09-30 | 1999-05-15 | 배순훈 | The drain valve and moter of a connecting construction for a washing machine |
| JP2004141567A (en) * | 2002-10-28 | 2004-05-20 | Nakagawa Electric Ind Co Ltd | Casing with built-in electric motor for washing machine |
| CN100373747C (en) * | 2003-01-09 | 2008-03-05 | 于国强 | Traction motor |
| CN203320301U (en) * | 2013-06-24 | 2013-12-04 | 常州乐士雷利电机有限公司 | Drain valve on/off control device |
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2013
- 2013-06-24 CN CN201310254955.5A patent/CN103321023B/en active Active
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| CN103321023A (en) | 2013-09-25 |
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Address after: Wujin District 213011 of Jiangsu Province, Changzhou City Yaoguan Tong Road No. 19 Patentee after: JIANGSU LEILI MOTOR CO., LTD. Address before: 213011 Qian Qian village, Guan yuan town, Wujin District, Jiangsu, Changzhou Patentee before: Changzhou Leshi Leili Electrical Appliance Co., Ltd. |