CN1241656A - Weight balancer of drum type washing machine having housing and method for manufacturing the same - Google Patents
Weight balancer of drum type washing machine having housing and method for manufacturing the same Download PDFInfo
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- CN1241656A CN1241656A CN 98118879 CN98118879A CN1241656A CN 1241656 A CN1241656 A CN 1241656A CN 98118879 CN98118879 CN 98118879 CN 98118879 A CN98118879 A CN 98118879A CN 1241656 A CN1241656 A CN 1241656A
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- counter
- counterweight
- balanced carriage
- washing machine
- mortar
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Abstract
A washing machine is disclosed and includes a tub (12) housing a rotatably mounted drum (14). The tub (12) has a counterbalance weight (44) for reducing vibration of the tub (12) caused by uneven distribution of laundry within the drum (14) during rotation. The counterbalance weight (44) is contained in a housing (42).
Description
The present invention relates to a kind of tumbling-box washing machine, more particularly, relate in the time of to reduce the drum type washing machine operation vibration that causes because of the cylinder rotation and the counterweight and the manufacture method thereof of noise.
Tumbling-box washing machine has a cylinder, flatly is placed in the cabinet.The alternately two-way rotation of cylinder, clothing is contained in the cylinder, and washings water source is from the outside sent into wherein.When cylinder rotated, clothing in the cylinder and washings washed clothes below falling from above repeatedly thus.Simultaneously, when the washing operation of cylinder,, cylinder produces vibration and noise because rotating.In order to reduce this vibration and noise, load onto counterweight on the outer bucket of rotating cylinder and reduce noise and vibration supporting and lay.
Fig. 1 and Fig. 2 illustrate the common tumbling-box washing machine of doing simple declaration in the above.
As shown in the figure, tumbling-box washing machine has a cabinet 10, is bearing in the outer bucket 12 in the cabinet 10, the driver part 16 of cylinder 14 outside being contained in the bucket 12 and head roll 14 rotations.Clothing is contained in the cylinder 14.
One detergent box 18 is installed in cabinet 10, but supplying detergent and enter cylinder 14 with washings; Control panel 20 can be controlled wash conditions and washer operation, is installed in the cabinet side.
Cylinder 14 can be outside rotates in the bucket 12, on many dewatering holes are arranged.In addition, the axle (not shown) that belt pulley is housed is fixed to the rear side of cylinder 14.
Simultaneously, protecgulum 22 and outer barrel liner circle 24 are assembled to the front and back side of outer bucket 12 respectively.The a plurality of geometrical clamps 26 of assembling on protecgulum 22, the garden preceding hd top face and outer barrel 12 covered is on week.Key shaped hole (key ports) 26a is arranged on the geometrical clamp 26.Tapping screw 30 is housed in keyhole 26a.The head of screw of tapping screw 30 makes tapping screw stretch to protecgulum 22 front sides in keyhole 26a.
The counterweight 36 by concrete manufacture is installed in the front of protecgulum 22.Counterweight 36 is rotated vibration and the noise that causes with himself weight saving because of cylinder.Counterweight 36 fixedly is by being screwed on the tapping screw 30 with nut 28 among the tapping screw 30 patchhole 36a with outer bucket 12 again.In addition, packing ring 32 and 34 is placed in the middle of counterweight 36 and tapping screw 30 and counterweight 36 and the nut 28.Among the placed hole 36b of the both sides of packing ring 32 and 34 inserting holes 36.
In such tumbling-box washing machine, the user opens the door 38 in the front that is contained in cabinet 10, and clothing etc. is put into cylinder 14, configures wash conditions then on control panel 20.So the motor of driver part 16 begins to rotate, and cylinder 14 is also rotated, and finishes washing operation whereby.Under such condition, because of vibration and noise that the rotation of cylinder 14 causes are decayed by counterweight 36.Thereby vibration and noise when having reduced washer operation.
But, in so common tumbling-box washing machine,, wherein have crackle because counterweight 36 is that concrete is made.This crackle mainly is excessive the causing of active force that is installed to 12 o'clock nuts 28 of outer bucket by counterweight 36.When in the counterweight 36 crackle being arranged, its damping Noise Resistance Ability descends greatly, and therefore the assembly force of nut 28 should suitably be controlled when counterweight is assembled, but this needs very high skill.
In addition, this traditional counterweight is mortar to be injected to solidify in the mould make.Therefore must provide mould, moreover just need more multimode in the time will making more counterweight 36, manufacturing cost has also improved.
The present invention is intended to overcome the problems referred to above of the prior art, therefore the objective of the invention is to provide a kind of counterweight and manufacture method thereof of tumbling-box washing machine, and it cracks in the time of preventing to assemble, thereby reduces noise to greatest extent.
Another purpose of the present invention provides a kind of counterweight and manufacture method thereof of tumbling-box washing machine, and it does not need other mould when concrete forming and curing.
To achieve these goals, the invention provides the counterweight of tumbling-box washing machine, because of cylinder rotates vibration and the noise that brings, this counterweight comprised counter-balanced carriage and the concrete weight coating that is installed in outer bucket end when it can reduce the drum type washing machine operation.Cavity is arranged in the counter-balanced carriage, and concrete weight coating just is contained in the cavity of this counter-balanced carriage.
Counter-balanced carriage has an inlet, injects mortar during for the formation concrete weight coating.Also have many holes in the frame, be used to pierce into assembling element so that make up with outer bucket.
In addition, to achieve these goals, the present invention also provides the manufacture method of tumbling-box washing machine counterweight, and this method comprises following a few step: the mould of counter-balanced carriage is made in preparation; With the molded counter-balanced carriage of this mould, this counter-balanced carriage has inlet and a plurality of hole that the injection mortar is used; From inlet inject mortar to counter-balanced carriage to form concrete weight coating; Solidify mortar.
According to counterweight of the present invention,,, reduced manufacturing cost so do not need to form the other mould of concrete weight coating because concrete weight coating is injected in the counter-balanced carriage and solidifies therein.Applying excessive assembly force in addition,, the nut assembly force do not affact on the counter-balanced carriage, even therefore crackle can not occur yet in concrete because directly affacting on the concrete weight coating.
The present invention can be understood better by accompanying drawing and following explanation, also more abundant various purposes and the advantage of realizing it.Wherein:
Fig. 1 is the perspective view of common tumbling-box washing machine;
Fig. 2 is a major part cutaway view among Fig. 1, shows the mounting structure of counterweight;
Fig. 3 A is the perspective view of counterweight according to the preferred embodiment of the invention;
Fig. 3 B is along the profile of IIIB-IIIB line intercepting among Fig. 3 A, shows the internal structure according to the described counterweight of the preferred embodiment of the present invention;
Fig. 4 is the cutaway view of preferred embodiment of the present invention main body, and the mounting structure of its counterweight is shown.
Hereinafter describe the present invention with reference to the accompanying drawings in detail.When the explanation preferred embodiment of the present invention, all parts identical with the washing machine of conventional rollers formula shown in Fig. 1,2 part are represented with same label.
Fig. 3 A, 3B are the perspective view and the profiles of described counterweight according to one preferred embodiment of the present invention.
Shown in Fig. 3 A, 3B, counterweight of the present invention comprises that a counter-balanced carriage 42 and is contained in the concrete weight coating in this counter-balanced carriage 42.
One cavity 42a is arranged in the counter-balanced carriage 42, and counter-balanced carriage is made with mechanography.Counter-balanced carriage has an inlet 42b in a side, and the mortar that constitutes concrete weight coating 44 injects through this mouthful.In addition, counter-balanced carriage 42 also has a plurality of hole 42c.Assembly part 30 (being shown in Fig. 4) passes this hole 42c.Lay recess 42d and be formed on the two ends of hole 42c, wherein lay packing ring 32 and 34.
Simultaneously, concrete weight coating 44 is contained in the cavity 42a of counter-balanced carriage 42.
According to the described counterweight with said structure of the preferred embodiment of the present invention, its manufacture method is as follows:
At first, make counter-balanced carriage 42 with a mould, its shape is half garden shape substantially, and cavity 42a is arranged.
Then, by in the injection counter-balanced carriage 42 of hand-hole 42b, the mortar of injection is full of the cavity 42a except that the 42c of hole the mortar of an amount of formation concrete weight coating 44.
After mortar injects, just make according to the described counterweight of the preferred embodiment of the present invention through solidifying.
Be arranged on the outer bucket 12 the same according to counterweight of the present invention with the prior art structure.
Promptly as shown in Figure 4, protecgulum 22 installs to outer bucket 12 front ends, fixes some geometrical clamps that are covered with them 26 on every side at the upside of protecgulum 12 and outer bucket 12.On each geometrical clamp 26 keyhole 26a is arranged, and tapping screw 30 inserts among the keyhole 26a and stretch to outer barrel 12 front end.
Tapping screw 30 passes the hole 42c in the counterweight 40, so that assemble counterweight 40 roughly, nut 28 assembles with the tapping screw of stretching in counterweight 40 outsides 30 then, so counterweight 40 is fixed on the outer bucket 12.What in this case, the packing ring 32,34 that is used for strengthening assembly force was inserted in 42c two ends, hole respectively lays recess 42d.
According to counterweight of the present invention,, therefore do not need to be used as the other mould of concrete weight coating, so manufacturing cost can reduce because concrete weight coating is injected in the counter-balanced carriage and curing therein forms.
In addition, the nut assembly force does not directly affact concrete weight coating but acts on the counter-balanced carriage, even therefore applied excessive assembly force, crackle can not occur in the concrete weight coating yet.So can reduce vibration and noise effectively.
Have, another advantage provided by the invention is again, concrete weight coating is covered by counter-balanced carriage, and outside not being directly exposed to, thereby outward appearance is better.
Though the present invention has done detailed description and diagram, obviously should be understood that this just explanation as an example, can not regard restrictive condition as.The spirit and scope of the invention are by the definition of term in the appended claims.
Claims (3)
1. tumbling-box washing machine counterweight, described counterweight are used to reduce between the tumbling-box washing machine on-stream period because of cylinder rotates outer bucket vibration and the noise that causes, described counterweight comprises:
Counter-balanced carriage, be installed in described outer bucket front end and in cavity is arranged; And
Concrete weight coating is contained in the described cavity of counter-balanced carriage.
2. the described counterweight of claim 1 is characterized in that inlet is arranged on the counter-balanced carriage, the mortar that forms concrete weight coating therefrom can be injected; Also have a plurality of holes, each assembling element therefrom passes so that itself and outer bucket are fitted together.
3. the manufacture method of a tumbling-box washing machine counterweight comprises following a few step:
Preparation forms the mould of counter-balanced carriage;
Be molded into described counter-balanced carriage with described mould, counter-balanced carriage has inlet and a plurality of hole of therefrom injecting mortar;
Inlet by counter-balanced carriage injects the mortar that forms concrete weight coating; And
Mortar is solidified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98118879 CN1241656A (en) | 1998-07-02 | 1998-09-07 | Weight balancer of drum type washing machine having housing and method for manufacturing the same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR26509/98 | 1998-07-02 | ||
| CN 98118879 CN1241656A (en) | 1998-07-02 | 1998-09-07 | Weight balancer of drum type washing machine having housing and method for manufacturing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1241656A true CN1241656A (en) | 2000-01-19 |
Family
ID=5226133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98118879 Pending CN1241656A (en) | 1998-07-02 | 1998-09-07 | Weight balancer of drum type washing machine having housing and method for manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1241656A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7155942B2 (en) | 2001-06-21 | 2007-01-02 | Lg Electronics Inc. | Balance weight in drum type washing machine and manufacturing method thereof |
| CN101078164B (en) * | 2006-05-26 | 2011-06-15 | 海尔集团公司 | Mounting method for drum washing machine counter weight and mounting structure thereof |
| CN103459705A (en) * | 2011-03-28 | 2013-12-18 | 大宇电子株式会社 | Drum washing machine |
| CN105297342A (en) * | 2015-10-14 | 2016-02-03 | 巢湖市荣达塑业有限公司 | Counterweight block for washing machine |
| CN105297340A (en) * | 2015-10-14 | 2016-02-03 | 巢湖市荣达塑业有限公司 | Weight-adjustable washing machine counterweight block |
| CN105294015A (en) * | 2015-10-14 | 2016-02-03 | 巢湖市荣达塑业有限公司 | Production method of washing machine balancing weight |
| CN105386275A (en) * | 2015-10-14 | 2016-03-09 | 巢湖市荣达塑业有限公司 | Production method of weight-adjustable washing machine balancing weight |
-
1998
- 1998-09-07 CN CN 98118879 patent/CN1241656A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7155942B2 (en) | 2001-06-21 | 2007-01-02 | Lg Electronics Inc. | Balance weight in drum type washing machine and manufacturing method thereof |
| CN101078164B (en) * | 2006-05-26 | 2011-06-15 | 海尔集团公司 | Mounting method for drum washing machine counter weight and mounting structure thereof |
| CN103459705A (en) * | 2011-03-28 | 2013-12-18 | 大宇电子株式会社 | Drum washing machine |
| CN105297342A (en) * | 2015-10-14 | 2016-02-03 | 巢湖市荣达塑业有限公司 | Counterweight block for washing machine |
| CN105297340A (en) * | 2015-10-14 | 2016-02-03 | 巢湖市荣达塑业有限公司 | Weight-adjustable washing machine counterweight block |
| CN105294015A (en) * | 2015-10-14 | 2016-02-03 | 巢湖市荣达塑业有限公司 | Production method of washing machine balancing weight |
| CN105386275A (en) * | 2015-10-14 | 2016-03-09 | 巢湖市荣达塑业有限公司 | Production method of weight-adjustable washing machine balancing weight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |