CN204939901U - Washing machine - Google Patents
Washing machine Download PDFInfo
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- CN204939901U CN204939901U CN201520583505.5U CN201520583505U CN204939901U CN 204939901 U CN204939901 U CN 204939901U CN 201520583505 U CN201520583505 U CN 201520583505U CN 204939901 U CN204939901 U CN 204939901U
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- Prior art keywords
- rotating shaft
- internal thread
- washing machine
- thread
- nut
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- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
The utility model discloses a kind of washing machine, described washing machine comprises: interior bucket; Impeller; Clutch, described clutch comprises rotating shaft, described rotating shaft is threaded connection part and is connected with described impeller and/or interior bucket, described threaded connector comprise cooperatively interact be located at external screw thread in described rotating shaft and establish female nut, the Bottom of Thread of described internal thread is configured to the conical surface, and the angle of the normal of the described conical surface and the axis of described nut is β, meets: 59 °≤β≤61 °, and screwing on the precession direction of described nut in described rotating shaft, the described conical surface tilts from inside to outside.Washing machine of the present utility model, being connected firmly of the rotating shaft of washing machine and impeller and/or interior bucket, production efficiency is high, and production cost is low, and assembling is simple, and the repair rate of washing machine is low.
Description
Technical field
The utility model belongs to household electrical appliance technical field, in particular to a kind of washing machine.
Background technology
The impeller of rotary drum washing machine, to be connected by common fine thread between interior bucket and the rotating shaft of clutch, this threaded connector is very easily loosening, make that washing noise is large and maintenance rate is high, current solution generally smears happy safe 277 anaerobism glue, but there is certain drawback in this gluing mode, namely uneven and easy holiday smeared by happy safe 277 anaerobism glue, simultaneously because the line speed of rotary drum washing machine is very fast, and then water is tried online after smearing online, can impact the performance of anaerobic adhesive, there is room for improvement.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, an object of the present utility model is that proposing one assembles firmly washing machine.
Washing machine according to the utility model first aspect comprises: interior bucket; Impeller; Clutch, described clutch comprises rotating shaft, described rotating shaft is threaded connection part and is connected with described impeller and/or described interior bucket, described threaded connector comprise cooperatively interact be located at external screw thread in described rotating shaft and establish female nut, the Bottom of Thread of described internal thread is configured to the conical surface, and the angle of the normal of the described conical surface and the axis of described nut is β, meets: 59 °≤β≤61 °, and screwing on the precession direction of described nut in described rotating shaft, the described conical surface tilts from inside to outside.
According to washing machine of the present utility model, being connected firmly of the rotating shaft of washing machine and impeller and/or interior bucket, production efficiency is high, and production cost is low, and assembling is simple, and the repair rate of washing machine is low.
In addition, above-mentioned according to the utility model washing machine can also have following additional technical characteristic:
Preferably, β=60 °.
Alternatively, the thread form angle of described internal thread is α, and meets: α=60 °.
Alternatively, the pitch of described internal thread is P, and the axial length of the thread crest of described internal thread is P/4.
Alternatively, the large footpath of described internal thread is D, and the path of described internal thread is D1, and meets: D-D1=5x3
0.5p/8.
Alternatively, the central diameter of described internal thread is D2, and meets: D-D2=3x3
0.5p/8.
Alternatively, described externally threaded specification is M24x1.5.
Further, the large footpath of described internal thread is D, and the path of described internal thread is D1, and the central diameter of described internal thread is D2, and meets: 24.000mm≤D≤24.013mm, 22.376mm≤D1≤22.676,23.026≤D2≤23.206.
According to the washing machine of the utility model first aspect, comprising: interior bucket; Impeller; Clutch, described clutch comprises rotating shaft, described rotating shaft is threaded connection part and is connected with described impeller and/or interior bucket, described threaded connector comprise cooperatively interact be located at external screw thread in described rotating shaft and establish female nut, the Bottom of Thread of described internal thread is configured to the conical surface, and the angle of the normal of the described conical surface and the axis of described nut is β, β=60 °, and screwing on the precession direction of described nut in described rotating shaft, the described conical surface tilts from inside to outside; Described externally threaded specification is M24x1.5, the thread form angle of described internal thread is 60 °, the pitch of described internal thread is P, the axial length of the thread crest of described internal thread is P/4, the large footpath of described internal thread is D, the path of described internal thread is D1, and the central diameter of described internal thread is D2, and meets: D-D1=5x3
0.5p/8, D-D2=3x3
0.5p/8.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the washing machine according to the utility model embodiment;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is the half sectional view of the nut according to the utility model embodiment;
Fig. 4 is the partial enlarged drawing at B place in Fig. 3;
Fig. 5 is the structural representation of the internal thread according to the utility model embodiment.
Reference numeral:
Washing machine 100,
Clutch 110, rotating shaft 111,
Nut 120, the Bottom of Thread 121 of nut 120, the thread crest 122 of nut 120,
Impeller 130, interior bucket 140, outer barrel 150, motor 160,
Thread form angle α, the angle β of the normal of the conical surface and the axis of nut, pitch P, the large footpath D of internal thread, the path D1 of internal thread, the central diameter D2 of internal thread.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", orientation or the position relationship of the instruction such as " radial direction " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
The washing machine 100 according to the utility model embodiment is described in detail referring to Fig. 1-Fig. 5, as Figure 1-Figure 5, washing machine 100 comprises interior bucket 140, impeller 130 and clutch 110, clutch 110 comprises rotating shaft 111, rotating shaft 111 is threaded connection part and is connected with interior bucket 140 with impeller 130, or rotating shaft 111 is threaded connection part and is connected with impeller 130 or interior bucket 140, thus, impeller 130 and/or interior bucket 140 can rotate under the drive of the rotating shaft 111 of clutch 110.
Threaded connector comprises and is located at external screw thread in rotating shaft 111 and establishes female nut 120, external screw thread in rotating shaft 111 and the internal thread of nut 120 cooperatively interact rotating shaft 111 is connected with impeller 130 and/or interior bucket 140, as shown in Figure 3-Figure 5, the Bottom of Thread 121 of internal thread is configured to the conical surface, the angle of the normal of the conical surface and the axis of nut 120 is β, β meets: 59 °≤β≤61 °, and screws on the precession direction of nut 120 in rotating shaft 111, and the conical surface tilts from inside to outside.
Be understandable that, external screw thread in rotating shaft 111 is being coordinated in the process screwing in nut 120, first the Bottom of Thread 121 being formed as the conical surface time initial contacts with externally threaded thread crest and forms interference fit, now the working face of threaded connector wouldn't contact, it should be noted that, the working face of threaded connector comprises the working face of externally threaded working face and internal thread, namely external screw thread and internal thread face bonded to each other, along with nut 120 constantly screws, the working face of threaded connector is fitted gradually, the magnitude of interference between the Bottom of Thread 121 of the conical surface and externally threaded thread crest reaches maximum, and the Bottom of Thread 121 of the internal thread of externally threaded thread crest and nut 120 compressional deformation mutually, make to produce huge pressure between rotating shaft 111 and nut 120, rotating shaft 111 can be connected with impeller 130 and/or interior bucket 140 securely.Above-mentioned pressure forms huge frictional force between rotating shaft 111 and nut 120, because the angle between the normal of the conical surface and the axis of nut 120 is larger, the component of above-mentioned frictional force on the axis direction of nut 120 is also larger, make not easily to loosen between nut 120 and rotating shaft 111, anti-seismic performance is good.Further, each circle screw thread of nut 120 all can bear load relatively uniformly, make abrasion resistance properties between rotating shaft 111 and nut 120 and anti-shear ability better, repeatedly can repeat dismounting.Thus, the assembling of washing machine 100 is firm and simple, and not easily loosen, the operating noise of washing machine 100 is little, and repair rate is low.
Alternatively, the external screw thread of rotating shaft 111 can be metric fine thread, and thus, the external screw thread processing of rotating shaft 111 is simple, and the production cost of washing machine 100 is low.
In preferred embodiments more of the present utility model, as shown in Figure 3-Figure 5, the angle β of the normal of the conical surface and the axis of nut 120 can be 60 °, in other words, angle between the axis of the conical surface and nut 120 can be 30 °, and thus, nut 120 is easy to precession rotating shaft 111 and not easily loosens.
Further, as shown in Figure 5, the thread form angle of the internal thread of nut 120 is α, and α can meet: α=60 °, the pitch of internal thread is P, and the axial length of the thread crest 122 of internal thread can be P/4, the large footpath of internal thread is D, the path of internal thread is D1, and the central diameter of internal thread is D2, and D, D1, D2 can meet: D-D1=5x3
0.5p/8, D-D2=3x3
0.5p/8.Thus, nut 120 is easy to manufacture and can coordinate securely with the external screw thread of rotating shaft 111.
In a concrete example of the present utility model, the externally threaded specification of rotating shaft 111 can be M24x1.5, and in other words, the externally threaded nominal diameter of rotating shaft 111 can be 24mm, the externally threaded pitch of rotating shaft 111 can be 1.5mm, and the external screw thread of rotating shaft 111 is closely-pitched regular screw threads.Correspondingly, the nominal diameter of the internal thread of nut 120 can be 24mm, and the pitch of the internal thread of nut 120 can be 1.5mm.
Further, the large footpath of internal thread is D, and the path of internal thread is D1, and the central diameter of internal thread is D2, and D, D1 and D2 can meet: 24.000mm≤D≤24.013mm, 22.376mm≤D1≤22.676,23.026≤D2≤23.206.
As shown in Figure 1, the bottom that impeller 130 can be located at the interior bucket 140 of washing machine 100 is rotated in order to drive clothing and washings, the interior bucket 140 of washing machine 100 can be located at the inside of the outer barrel 150 of washing machine 100, the outer barrel 150 of washing machine 100 may be used for splendid attire washings, the motor 160 of washing machine 100 can be connected with clutch 110 and to rotate with driving clutch 110, and rotating shaft 111 and impeller 130 and/or the interior bucket 140 of clutch 110 are threaded connection part and are connected to drive impeller 130 and/or interior bucket 140 to rotate.
Particularly, the rotating shaft 111 of clutch 110 can comprise wash shaft and dehydrating shaft, and alternatively, wash shaft can be threaded connection part and be connected with impeller 130, and dehydrating shaft can be threaded connection part and be connected with interior bucket 140.When washing machine 100 is in washing mode, the wash shaft of clutch drives impeller 130 to rotate, and when washing machine 100 is in dehydration mode, the wash shaft of clutch drives impeller 130 to rotate, and the dehydrating shaft of clutch drives interior bucket 140 to rotate.Alternatively, wash shaft and dehydrating shaft can be concentric shafts, and dehydrating shaft can be set in outside wash shaft.
As follows according to the assembling mode of the washing machine 100 of the utility model embodiment:
By the rotating shaft 111 of the clutch 110 of clutch through impeller 130 and/or interior bucket 140, then nut 120 of screwing on.
In sum, according to the washing machine 100 of the utility model embodiment, when the external screw thread in rotating shaft 111 being coordinated screw-in nut 120, Bottom of Thread 121 compressional deformation mutually of the internal thread of externally threaded thread crest and nut 120, make to produce huge pressure between rotating shaft 111 and nut 120, this pressure can form huge frictional force between rotating shaft 111 and nut 120.According to test, 17% of the first lap threads carry total load of nut 120,12.5% of the last lap threads carry total load of nut 120, namely each circle screw thread of nut 120 all can bear load relatively uniformly, and nut 120 and rotating shaft 111 can repeat unclamp and tighten 50 times and do not lose clamping force.
Thus, rotating shaft 111 is firm with the assembling of impeller 130 and/or interior bucket 140, and not easily loosen between nut 120 and rotating shaft 111 or sliding tooth, anti-seismic performance is good, abrasion resistance properties between rotating shaft 111 and nut 120, anti-shear ability, anti-fatigue performance and tensile strength are all better, repeatedly can repeat dismounting.According to the washing machine 100 of the utility model embodiment, due to without the need to gluing, the production efficiency of washing machine 100 is high, and production cost is low, and assembling is simple, be conducive to the standardized designs feature promoting washing machine 100, and the repair rate of washing machine 100 is low.
As Figure 1-Figure 5, interior bucket 140 is comprised according to the washing machine 100 of the utility model embodiment, impeller 130 and clutch 110, clutch 110 comprises rotating shaft 111, rotating shaft 111 is threaded connection part and is connected to drive impeller 130 and/or interior bucket 140 to rotate with impeller 130, threaded connector comprises and is located at external screw thread in rotating shaft 111 and establishes female nut 120, external screw thread in rotating shaft 111 and the internal thread of nut 120 cooperatively interact rotating shaft 111 is connected with impeller 130 and/or interior bucket 140, the Bottom of Thread 121 of internal thread is configured to the conical surface, the angle β of the normal of the conical surface and the axis of nut 120 is 60 °, and screw on the precession direction of nut 120 in rotating shaft 111, the conical surface tilts from inside to outside.
The externally threaded specification of rotating shaft 111 is M24x1.5, in other words, the nominal diameter of the external screw thread of rotating shaft 111 and the internal thread of nut 120 can be 24mm, and the pitch of the external screw thread of rotating shaft 111 and the internal thread of nut 120 can be 1.5mm, and the external screw thread of rotating shaft 111 is closely-pitched regular screw threads.The thread form angle of the internal thread of nut 120 is 60 °, and the pitch of internal thread is P, and the axial length of the thread crest 122 of internal thread is P/4, and the large footpath of internal thread is D, and the path of internal thread is D1, and the central diameter of internal thread is D2, and meets: D-D1=5x3
0.5p/8, D-D2=3x3
0.5p/8.
According to the washing machine 100 of the utility model embodiment, by threaded connector is configured to said structure, when the external screw thread in rotating shaft 111 is fitted into nut 120, Bottom of Thread 121 compressional deformation mutually of the internal thread of externally threaded thread crest and nut 120, make to produce huge pressure between rotating shaft 111 and nut 120, this pressure can form huge frictional force between rotating shaft 111 and nut 120, according to test, 17% of the first lap threads carry total load of nut 120, 12.5% of the last lap threads carry total load of nut 120, namely each circle screw thread of nut 120 all can bear load relatively uniformly, nut 120 and rotating shaft 111 can repeat unclamp and tighten 50 times and do not lose clamping force.
Thus, rotating shaft 111 is firm with the assembling of impeller 130 and/or interior bucket 140, and not easily loosen between nut 120 and rotating shaft 111 or sliding tooth, anti-seismic performance is good, abrasion resistance properties between rotating shaft 111 and nut 120, anti-shear ability, anti-fatigue performance and tensile strength are all better, repeatedly can repeat dismounting.According to the washing machine 100 of the utility model embodiment, due to without the need to gluing, the production efficiency of washing machine 100 is high, and production cost is low, and assembling is simple, be conducive to the standardized designs feature promoting washing machine 100, and the repair rate of washing machine 100 is low.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (9)
1. a washing machine, is characterized in that, comprising:
Interior bucket;
Impeller;
Clutch, described clutch comprises rotating shaft, described rotating shaft is threaded connection part and is connected with described impeller and/or described interior bucket, described threaded connector comprise cooperatively interact be located at external screw thread in described rotating shaft and establish female nut, the Bottom of Thread of described internal thread is configured to the conical surface, and the angle of the normal of the described conical surface and the axis of described nut is β, meets: 59 °≤β≤61 °, and screwing on the precession direction of described nut in described rotating shaft, the described conical surface tilts from inside to outside.
2. washing machine according to claim 1, is characterized in that, β=60 °.
3. washing machine according to claim 2, is characterized in that, the thread form angle of described internal thread is α, and meets: α=60 °.
4. washing machine according to claim 3, is characterized in that, the pitch of described internal thread is P, and the axial length of the thread crest of described internal thread is P/4.
5. washing machine according to claim 4, is characterized in that, the large footpath of described internal thread is D, and the path of described internal thread is D1, and meets: D-D1=5x3
0.5p/8.
6. washing machine according to claim 5, is characterized in that, the central diameter of described internal thread is D2, and meets: D-D2=3x3
0.5p/8.
7. washing machine according to claim 2, is characterized in that, described externally threaded specification is M24x1.5.
8. washing machine according to claim 7, is characterized in that, the large footpath of described internal thread is D, the path of described internal thread is D1, and the central diameter of described internal thread is D2, and meets: 24.000mm≤D≤24.013mm, 22.376mm≤D1≤22.676,23.026≤D2≤23.206.
9. a washing machine, is characterized in that, comprising:
Interior bucket;
Impeller;
Clutch, described clutch comprises rotating shaft, described rotating shaft is threaded connection part and is connected with described impeller and/or described interior bucket, described threaded connector comprise cooperatively interact be located at external screw thread in described rotating shaft and establish female nut, the Bottom of Thread of described internal thread is configured to the conical surface, and the angle of the normal of the described conical surface and the axis of described nut is β, β=60 °, and screwing on the precession direction of described nut in described rotating shaft, the described conical surface tilts from inside to outside;
Described externally threaded specification is M24x1.5, the thread form angle of described internal thread is 60 °, the pitch of described internal thread is P, the axial length of the thread crest of described internal thread is P/4, the large footpath of described internal thread is D, the path of described internal thread is D1, and the central diameter of described internal thread is D2, and meets: D-D1=5x3
0.5p/8, D-D2=3x3
0.5p/8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520583505.5U CN204939901U (en) | 2015-08-05 | 2015-08-05 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520583505.5U CN204939901U (en) | 2015-08-05 | 2015-08-05 | Washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204939901U true CN204939901U (en) | 2016-01-06 |
Family
ID=55007343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520583505.5U Active CN204939901U (en) | 2015-08-05 | 2015-08-05 | Washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204939901U (en) |
-
2015
- 2015-08-05 CN CN201520583505.5U patent/CN204939901U/en active Active
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