CN203230277U - Door balancing mechanism and household electric appliance - Google Patents
Door balancing mechanism and household electric appliance Download PDFInfo
- Publication number
- CN203230277U CN203230277U CN 201320225738 CN201320225738U CN203230277U CN 203230277 U CN203230277 U CN 203230277U CN 201320225738 CN201320225738 CN 201320225738 CN 201320225738 U CN201320225738 U CN 201320225738U CN 203230277 U CN203230277 U CN 203230277U
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- door
- sheet
- torsion spring
- stator
- swing
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Abstract
The utility model relates to the technical field of household electric appliances and discloses a door balancing mechanism and the household electric appliance comprising the door balancing mechanism. The door balancing mechanism is connected between a door of the household electric appliance and a machine body and comprises a swing part and a fixing part, wherein the upper end of the swing part is fixedly connected with the door, the lower end of the fixing part is connected with the machine body, the lower end of the swing part extends downwards to form a swing sheet, the upper end of the fixing part extends upwards to form a fixing sheet, the fixing sheet and the swing sheet are oppositely arranged, a torsion spring and a center piece arranged at the center of the torsion spring by penetration are arranged between the two, namely the fixing sheet and the swing sheet, the two ends of the torsion spring are respectively connected on the inner side of the swing sheet and the inner side of the fixing sheet, and the center piece is respectively connected with the fixing sheet and the swing sheet. When the door swings to a certain angle, the torsion spring deforms, and then the door can be stably fixed in any angle at any position; and in addition, all the parts are tightly connected together, the volume is small, the mounting range is small, components can be supplied, and the production efficiency of the household electric appliance can be greatly improved.
Description
Technical field
The utility model relates to the technical field of household electrical appliance, relates in particular to a balanced controls and the household electrical appliance that comprise these balanced controls.
Background technology
On needs such as dish-washing machine, in the household electrical appliance of downward swing door, all be provided with a balanced controls, after opening for the door that guarantees household electrical appliance, can hover over any open angle.
Door of the prior art balanced controls 1 are " shown in Fig. 1～2; it comprises door hinge frame 11 ", extension spring 13 ", stay cord 12 " and pulley 10 "; door hinge frame 11 " is fixed by bearing pin, it can rotate around bearing pin, one end is connected door 2 " on; the other end is connected stay cord 12 ", stay cord 12 " is walked around pulley 10 " and is connected extension spring 13 " on.Like this, utilize the weight of extension spring 13 " pulling force come balance gate 2 ", make door 2 " after opening, can rest on arbitrarily angled.
But, in practice, because each domestic appliance door 2 " weight different; and extension spring 13 is " after using after a while, its coefficient of elasticity has certain fluctuation, or even the generation plastic deformation, cause household electrical appliance the door 2 " can not bring very big inconvenience to the customer in some required angle orientation of customer; In addition, " overall volume is bigger, needs bigger installing space, and inconvenience is installed, and causes the overall volume of household electrical appliance for door balanced controls 1 of the prior art; And these balanced controls 1 " each parts can not assembly the just supply of material together, each parts can only assembling successively on the household electrical appliance production line, like this, then greatly reduces Assembling Production efficient.
The utility model content
The purpose of this utility model is to provide a balanced controls, be intended to solve door balanced controls of the prior art be difficult to door be stabilized in any swing position, the big installing space of needs, can not the assembly supply of material and the problem of reduction Assembling Production efficient.
The utility model is to realize like this, the door balanced controls, be connected between the door and body of household electrical appliance, comprise that the upper end is fixedly connected on the tilting member of described door and the fixed part that the lower end is connected in described body, described tilting member lower end is extended with the swing sheet down, described fixed part upper end is extended with stator up, described stator and described swing sheet positioned opposite, the central part that is provided with torsion spring between the two and is arranged in described torsion spring center, the two ends of described torsion spring is connected to the inboard and described stator inboard of described swing sheet, and described central part is connected with described stator and described swing sheet respectively.
Further, be provided with friction plate between described stator and the described swing sheet, described friction plate has the arc lateral surface, and the inboard of described stator or described swing sheet convexes with raised line, and described raised line has the arc medial surface that cooperates with described arc lateral surface butt.
Further, described friction plate is the bending strip, and described stator inboard is fixed in its lower end, and the upper end end face forms described arc lateral surface, and described raised line is located at described swing sheet inboard.
Further, described friction plate lower end one side convexes with mounting blocks, and described stator inboard is provided with locating hole, and described installing hole is inserted in the described locating hole.
Further, the arc medial surface of described raised line extends layout along the vertical direction.
Further, described torsion spring center is provided with the collar, and the described collar has the through hole consistent with described torsion spring center position, and described central part wears described through hole.
Further, described fixed part comprises brace and the described stator that is fixedly connected on described body, and described stator is located at described brace upper end, and described stator is provided with recessed area, and an end of described torsion spring places described recessed area.
Further, described central part is the bearing pin that passes described torsion spring center, described bearing pin two ends are rotationally connected with described stator and described swing sheet respectively, first through hole that is provided with first jack in the described recessed area and is rotationally connected for described bearing pin, the termination of described torsion spring one end is inserted in described first jack.
Further, described tilting member comprises swing sheet and mounting structure, described mounting structure comprises installation sheet and the opening frame that is fixedly connected on described door, described installation sheet is connected in described opening frame one side, and layout extends outwardly, described swing sheet is connected in described opening frame lower end, and arranges with described installation sheet dislocation.
Further, the side plate that described opening frame comprises backboard and is connected to described backboard both sides, two described side plates arrange that with described backboard bending described installation sheet is connected in a described side plate respectively, and described swing sheet is connected in described backboard lower end.
The utility model also provides household electrical appliance, and the door that comprises body and be connected in described body also comprises above-mentioned door balanced controls, and the upper end of described tilting member is fixedly connected on described door, and the lower end of described fixed part is fixedly connected on described body.
Compared with prior art, door balanced controls in the utility model are connected between door and the body, when door is rocked to respect to the body certain angle, the torsion spring distortion, thereby produce certain torsion, frictional force between this torsion friction fit sheet and the raised line, be used for balance gate weight, can make the firm any angular position that is in of door, and when torsion spring uses for a long time, when plastic strain occurring owing to there is the bi-directional friction power between friction plate and the raised line to support, too can so that door firm be in any angular position; In addition, each parts in the door balanced controls closely link together, and its volume is little, and fitting limit is little, and before entering assembling line, can supply by assembly, have improved the production efficiency of household electrical appliance greatly.
Household electrical appliance have comprised above-mentioned door balanced controls, and like this, the door on it can firmly be in any open angle, and volume can do for a short time, and its production efficiency is also higher.
Description of drawings
Fig. 1 is that the master of door balanced controls of the prior art looks schematic diagram;
Fig. 2 be the utility model embodiment provide the door balanced controls the blast schematic perspective view;
Fig. 3 is the schematic perspective view of the tilting member that provides of the utility model embodiment;
Fig. 4 is the schematic perspective view of the fixed part that provides of the utility model embodiment;
Fig. 5 is the schematic perspective view of the torsion spring that provides of the utility model embodiment;
Fig. 6 is the schematic perspective view one of the friction plate that provides of the utility model embodiment;
Fig. 7 is the schematic perspective view two of the friction plate that provides of the utility model embodiment;
Fig. 8 is the schematic perspective view that door balanced controls of the present utility model are connected with door;
Fig. 9 is the enlarged diagram at the A place among Fig. 8.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Below in conjunction with concrete accompanying drawing realization of the present utility model is described in detail.
The preferred embodiment that Fig. 2～9th, the utility model provide.
With reference to Fig. 2～shown in Figure 9, the door balanced controls 1 that present embodiment provides can be used in the multiple household electrical appliance, for example dish-washing machine, micro-wave oven and disinfection cabinet etc., household electrical appliance comprise body and be connected on the body the door 2, above-mentioned 1 of balanced controls of door are connected between the door 2 and body of household electrical appliance, when door 2 is opened, be used for the weight of balance gate 2.
Door balanced controls 1 in the present embodiment comprise tilting member 15 and fixed part 14, and the upper end of tilting member 15 is fixedly connected on the door 2, and the lower end extends to form swing sheet 151 down, and in the process that door 2 opens or closes, tilting member 15 is along with door 2 swings; The lower end of fixed part 14 is fixedly connected on the body, and extend up its upper end, forms stator 141, and stator 141 and swing sheet 151 positioned opposite form gap area between the two.
Be provided with torsion spring 12 and bearing pin 16 in the gap area between stator 141 and the swing sheet 151, the center line of torsion spring 12 is with stator 141, swing sheet 151 and is arranged vertically, and its two ends 121 is fixedly connected on the inboard of the inboard of stator 141 and swing sheet 151 respectively.Bearing pin 16 passes the center of torsion spring 12, its two ends are rotatably connected on respectively in stator 141 and the swing sheet 151, certainly, assembling and dismounting for the ease of bearing pin 16, one end of bearing pin 16 passes stator 141 or swing sheet 151, extends to the outside, perhaps, the two ends of bearing pin 16 are all passed stator 141 and swing sheet 151 respectively, extend to respectively outside stator 141 and the swing sheet 151.
In the above-mentioned door balanced controls 1, in the process that door 2 is opening or closing, just door 2 is with respect to upwards swing or in the process of lower swing of body, tilting member 15 is the oscillation center swing with bearing pin 16, thereby 121 of the two ends of torsion spring 12 relatively move, thus torsion spring 12 indentations or expansion, produce certain torsion, utilize this torsion, be used for the weight of balance gate 2, make door 2 be in the optional position.
In the present embodiment, bearing pin 16 and torsion spring 12 all are that metal material is made, for fear of swinging sheet 151 in the process of swing, friction between bearing pin 16 and the torsion spring 12, noise takes place, the intracardiac collar 13 that is equiped with in torsion spring 12, the collar 13 has the through hole consistent with the center position of torsion spring 12 131, and bearing pin 16 passes through hole 131.This collar 13 is made for plastics, and its periphery is connected on the inside wall of torsion spring 12, and bearing pin 16 passes this collar 13.
When door 2 is in certain position, in order to make the position of door 2 firm, can be owing to extraneous vibration change location, and after torsion spring 12 long-term uses, plastic strain takes place in its torsion spring 12, thereby the weight that is difficult to balance gate 2 is in the present embodiment, in gap area, also be provided with friction plate 11, this friction plate 11 is fixed on the stator 141, and has arc lateral surface 111, accordingly, then be provided with raised line 152 on the swing sheet 151, this raised line 152 has the arc medial surface, and arc lateral surface 111 shapes of the shape of this arc medial surface and friction plate 11 cooperatively interact, and arc lateral surface 111 is connected on the arc medial surface, like this, in the process of swing sheet 151 with respect to stator 141 swings, perhaps door 2 is with respect to body, when being in certain position, has frictional force between the arc lateral surface 111 of friction plate 11 and the arc medial surface of raised line 152, the torsion of this frictional force consonance torsion spring 12, the weight of balance gate 2 that can be better makes the optional position that is in that door 2 can be more firm.In addition, the gap area between stator 141 and swing sheet 151 arranges friction plate 11, also can limit distance between the two, avoids in the process of swing, and changing appears in distance between the two.
Because the medial surface of the lateral surface of friction plate 11 and raised line 152 is all curved, like this, can guarantee that friction plate 11 two frictional force of direction in opposite directions, that is to say, door 2 can both obtain the effect of the frictional force that friction plate 11 produces in the process that opens or closes.
For the motion that cooperates door 2 to swing up and down with respect to body, in the present embodiment, the arc medial surface that is arranged on the raised line 152 on the swing sheet 151 extends layout along the vertical direction, certainly, according to the oscillating motion of door 2 with respect to the body different directions, the bearing of trend of raised line 152 arc medial surfaces is also different thereupon.
With reference to Fig. 6 and Fig. 7, in the present embodiment, friction plate 11 is " Z " property, it is the bending strip, like this, can guarantee the elastic deformation of friction plate 11 self, make that the frictional force between friction plate 11 and the swing sheet 151 can change within the specific limits, its torsion that torsion spring 12 produces of can better coordinating, the weight of balance gate 2.
The upper end end face of above-mentioned friction plate 11 forms above-mentioned arc lateral surface, one side of its lower end convexes with mounting blocks 112, accordingly, is provided with locating hole in the inboard of stator 141, utilize mounting blocks 112 to be plugged in the locating hole, thereby realization friction plate 11 is fixedlyed connected with stator 141.
Certainly, as other embodiment, above-mentioned friction plate 11 also can be fixedly connected on the swing sheet 151, accordingly, 152 of raised lines are arranged on the stator 141, like this, utilize cooperating between the arc inside piece of friction plate 11 arc lateral surfaces 111 and raised line 152, also can produce certain frictional force, its technique effect that has is with above-mentioned that situation is set is consistent.
That is to say that the situation that arranges of friction plate 11 not only is limited to the situation that arranges of present embodiment, it can be diversified, sets according to actual needs.
The door balanced controls 1 that present embodiment provides, it utilizes the torsion of torsion spring 12 and the bi-directional friction power that friction plate 11 produces, the weight that is used for balance gate 2, make the optional position that is in that door 2 can be firm, even torsion spring 12 is after long-time the use, some plastic strain occur, under the support of friction plate 11, can be positioned at any open position so that door 2 is firm too; In addition, each parts of these balanced controls 1 closely link together, and its volume is little, fitting limit is also little, make that the volume of its household electrical appliance of utilization is also little, and each parts is before entering assembling line, just can supply by assembly together, thereby enhanced productivity greatly.
Refer again to shown in Figure 4, in the present embodiment, fixed part 14 comprises brace 142 and above-mentioned stator 141, stator 141 is connected the upper end of brace 142, and extend up, brace 142 is fixedly connected on the body, which is provided with first connecting hole 143, pass this first connecting hole 143 by securing members such as screws, then brace 142 can be fixedly connected on the body; Stator 141 is arranged on the upper end of brace 142, for the better fixedly position of torsion spring 12, this stator 141 is provided with recessed area 145, one end of above-mentioned torsion spring 12 then is placed in this recessed area 145, thereby utilize the restriction of recessed area 145, both be convenient to the installation of torsion spring 12, also can have significantly reduced the volume range of these balanced controls 1.
In above-mentioned recessed area 145, be provided with first through hole 146 and first jack 147 that supply and marketing axle 16 is rotationally connected, the termination 121 of torsion spring 12 1 ends can directly be plugged in this first jack 147.
With reference to shown in Figure 3, accordingly, on swing sheet 151, then be provided with second through hole 154 and second jack 153 that supply and marketing axle 16 passes, 121 of the terminations of torsion spring 12 other ends can directly be plugged in this second jack 153.
In the present embodiment, tilting member 15 comprises above-mentioned swing sheet 151 and mounting structure 155, and this mounting structure 155 is fixedly connected on the door 2,151 lower ends that are connected mounting structure 155 of swing sheet, and extend down and arrange.
Above-mentioned mounting structure 155 comprises installation sheet 1551 and the opening frame that is fixedly connected on the body, installation sheet 1551 is connected a side of opening frame, 151 lower ends that are connected the opening frame of above-mentioned swing sheet, and arrange with installation sheet 1551 dislocation, " dislocation " herein refers to installation sheet 1551 and is not in same plane with swing sheet 151, like this, the opening frame then plays transitional function, to cooperate the planform of door 2, be convenient to the installation of tilting member 15, and avoid door 2 in the process of swing, interfere with other parts.
Certainly, as other embodiment, fixed part 14 also can directly be connected on the door 2, and tilting member 15 then is connected on the body, like this, cooperates the shape of door 2 and body, and fixed part 14 changes with 15 of tilting members thereupon.
Certainly, as other embodiment, between stator 141 and swing sheet 151, also bearing pin 16 can be set, and the central part of other form of structure is set, central part is located in torsion spring 12 centers, is connected with swing sheet 151 with stator 141 respectively, like this, swing sheet 151 then is oscillation center with the central part when 141 swings of relative fixed sheet.For example, the bearing pin 16 of central part said structure form also can comprise the projection that is convexly equipped with respectively at stator 141 medial surfaces and swing sheet 151 medial surfaces, and two projections are located in torsion spring 12 centers respectively, perhaps can also be other multiple structure member, describe in detail no longer one by one at this.
Present embodiment also provides household electrical appliance, as dish-washing machine, micro-wave oven and disinfection cabinet etc., it comprises body, is movably connected in the door 2 of body upper end and above-mentioned door balanced controls 1, wherein, tilting member 15 connects on the door 2, and 14 of fixed parts are connected on the body.Utilize this balanced controls 1, can be so that door 2 with respect to body, firm be in any position.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (11)
- The door balanced controls, be connected between the door and body of household electrical appliance, it is characterized in that, comprise that the upper end is fixedly connected on the tilting member of described door and the fixed part that the lower end is connected in described body, described tilting member lower end is extended with the swing sheet down, described fixed part upper end is extended with stator up, described stator and described swing sheet positioned opposite, the central part that is provided with torsion spring between the two and is arranged in described torsion spring center, the two ends of described torsion spring is connected to the inboard and described stator inboard of described swing sheet, and described central part is connected with described stator and described swing sheet respectively.
- 2. door as claimed in claim 1 balanced controls, it is characterized in that, be provided with friction plate between described stator and the described swing sheet, described friction plate has the arc lateral surface, the inboard of described stator or described swing sheet convexes with raised line, and described raised line has the arc medial surface that cooperates with described arc lateral surface butt.
- 3. door balanced controls as claimed in claim 2 is characterized in that described friction plate is the bending strip, and described stator inboard is fixed in its lower end, and the upper end end face forms described arc lateral surface, and described raised line is located at described swing sheet inboard.
- 4. door balanced controls as claimed in claim 3 is characterized in that described friction plate lower end one side convexes with mounting blocks, and described stator inboard is provided with locating hole, and described installing hole is inserted in the described locating hole.
- 5. as each described door balanced controls of claim 2 to 4, it is characterized in that the arc medial surface of described raised line extends layout along the vertical direction.
- 6. as each described door balanced controls of claim 1 to 4, it is characterized in that described torsion spring center is provided with the collar, the described collar has the through hole consistent with described torsion spring center position, and described central part wears described through hole.
- 7. as each described door balanced controls of claim 1 to 4, it is characterized in that, described fixed part comprises brace and the described stator that is fixedly connected on described body, described stator is located at described brace upper end, described stator is provided with recessed area, and an end of described torsion spring places described recessed area.
- 8. door as claimed in claim 7 balanced controls, it is characterized in that, described central part is the bearing pin that passes described torsion spring center, described bearing pin two ends are rotationally connected with described stator and described swing sheet respectively, first through hole that is provided with first jack in the described recessed area and is rotationally connected for described bearing pin, the termination of described torsion spring one end is inserted in described first jack.
- 9. as each described door balanced controls of claim 1 to 4, it is characterized in that, described tilting member comprises swing sheet and mounting structure, described mounting structure comprises installation sheet and the opening frame that is fixedly connected on described door, described installation sheet is connected in described opening frame one side, and the layout that extends outwardly, described swing sheet are connected in described opening frame lower end, and arrange with described installation sheet dislocation.
- 10. door as claimed in claim 9 balanced controls, it is characterized in that, the side plate that described opening frame comprises backboard and is connected to described backboard both sides, two described side plates are arranged with described backboard bending respectively, described installation sheet is connected in a described side plate, and described swing sheet is connected in described backboard lower end.
- 11. household electrical appliance, the door that comprises body and be connected in described body is characterized in that, also comprises each described door balanced controls of claim 1～10, the upper end of described tilting member is fixedly connected on described door, and the lower end of described fixed part is fixedly connected on described body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320225738 CN203230277U (en) | 2013-04-27 | 2013-04-27 | Door balancing mechanism and household electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320225738 CN203230277U (en) | 2013-04-27 | 2013-04-27 | Door balancing mechanism and household electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203230277U true CN203230277U (en) | 2013-10-09 |
Family
ID=49286410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320225738 Withdrawn - After Issue CN203230277U (en) | 2013-04-27 | 2013-04-27 | Door balancing mechanism and household electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203230277U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120930A (en) * | 2013-04-27 | 2014-10-29 | 美的集团股份有限公司 | Door balance mechanism and domestic appliance |
| CN104727679A (en) * | 2014-07-03 | 2015-06-24 | 佛山市顺德区美的洗涤电器制造有限公司 | Door articulated mechanism and dish washing machine |
-
2013
- 2013-04-27 CN CN 201320225738 patent/CN203230277U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120930A (en) * | 2013-04-27 | 2014-10-29 | 美的集团股份有限公司 | Door balance mechanism and domestic appliance |
| CN104120930B (en) * | 2013-04-27 | 2016-06-08 | 美的集团股份有限公司 | Door balanced controls and household electrical appliance |
| CN104727679A (en) * | 2014-07-03 | 2015-06-24 | 佛山市顺德区美的洗涤电器制造有限公司 | Door articulated mechanism and dish washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131009 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |