CN208250687U - Clutch pack for washing machine and the washing machine with it - Google Patents

Abstract

The utility model discloses a kind of clutch pack for washing machine and the washing machines with it.The clutch pack includes: dehydrating shaft and clutch shaft, and the clutch shaft is located at the lower section of the dehydrating shaft；Upper housing, the dehydrating shaft wears the upper housing, and is provided with upper bearing (metal) between the upper housing and the dehydrating shaft；Lower case, the lower case are connected with the upper housing, and the clutch shaft wears the lower case, are provided with lower bearing between the lower case and the clutch shaft；For sealing the lower seal of the lower bearing, the top of the lower bearing is arranged in the lower seal.Clutch pack according to the present utility model for washing machine effectively prevents the intracorporal condensed water of lower casing and flows in lower bearing through clutch shaft, the corrosion phenomena of lower bearing has been effectively relieved, be conducive to the service life for promoting lower bearing by the way that lower seal is arranged.

Description

Clutch pack for washing machine and the washing machine with it

Technical field

The utility model relates to washing machine technology fields, in particular to a kind of clutch pack for washing machine And the washing machine with it.

Background technique

There are two bearings under normal circumstances in power driving module of the clutch as washing machine, i.e., on the upper bearing (metal) set With underlying lower bearing, a seal structures are usually provided with above upper bearing (metal), to reduce shell water inlet, lifting clutch Waterproof performance, but by clutch carry out market survey, it has been found that the intracorporal steam condensation of clutch housing pan is frequent Cause lower bearing to get rusty, seriously affects the service life of clutch lower bearing.

Utility model content

The utility model is intended to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, The utility model proposes a kind of clutch packs for washing machine, by the way that lower seal is arranged at lower bearing, under improving The situation of getting rusty of bearing.

The utility model also proposed a kind of washing machine with the above-mentioned clutch pack for washing machine.

The clutch pack for washing machine according to the utility model embodiment includes: dehydrating shaft and clutch shaft, described Clutch shaft is located at the lower section of the dehydrating shaft；Upper housing, the dehydrating shaft wear the upper housing, and the upper housing with it is described Upper bearing (metal) is provided between dehydrating shaft；Lower case, the lower case are connected with the upper housing, the clutch shaft wear it is described under Shell is provided with lower bearing between the lower case and the clutch shaft；It is described for sealing the lower seal of the lower bearing The top of the lower bearing is arranged in lower seal.

It is effectively kept away according to the clutch pack for washing machine of the utility model embodiment by the way that lower seal is arranged The intracorporal condensed water of lower casing is exempted to flow in lower bearing through clutch shaft, the corrosion phenomena of lower bearing has been effectively relieved.

Some embodiments according to the present utility model, the lower case include: that bearing seal section, brake disc section and transition connect Connect section, the transition connection section is connected between the bearing seal section and the brake disc section, the lower bearing and it is described under Sealing element is arranged in the bearing seal section.

Further, the radial dimension of the brake disc section is greater than the radial dimension of the bearing seal section.

Optionally, the transition connection section be annular flat wall construction, the transition connection section respectively with the bearing seal Section and the brake disc section are vertically connected.

Some embodiments according to the present utility model are provided in the transition connection section multiple around the clutch shafts Drainage hole.

Further, the upper surface of the transition connection section is not less than the lower seal.

Optionally, there is multiple tracks to be pressed together on the sealing lip on the clutch shaft for the inside of the lower seal, close under described Ring packing protrusion is provided on the outer peripheral surface of sealing.

Further, arranged spaced apart above and below the sealing lip, the protrusion of ring packing described in multiple tracks is connected up and down.

Some embodiments according to the present utility model, the lower seal have embedded metallic framework.

According to the washing machine of the utility model another aspect embodiment, including the above-mentioned clutch group for washing machine Part.

Detailed description of the invention

Fig. 1 is the partial sectional view of the clutch pack for washing machine；

Fig. 2 is the partial enlarged view in Fig. 1 at A；

Fig. 3 is the schematic diagram of the clutch pack for washing machine；

Fig. 4 is the B-B schematic diagram in Fig. 3.

Appended drawing reference:

Clutch pack 100, dehydrating shaft 1, upper seal 2, upper bearing (metal) 3, upper housing 4, brake disc 5, brake ribbon 6, lower casing Body 7, transition connection section 72, bearing seal section 73, clutch shaft 8, ratchet 9, transmission shaft 10, clutch cover 11, embraces spring at brake disc section 71 12, belt pulley 13, shift fork 14, lower bearing 15, lower seal 16, sealing lip 161, ring packing protrusion 162, metallic framework 163, Spring ring 164, driving lever 17, actuating arm 18, wash shaft 19, drainage hole 20.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection is also possible to be electrically connected or can communicate with each other；It can be directly connected, the indirect phase of intermediary can also be passed through Even, the connection inside two elements or the interaction relationship of two elements be can be.For those of ordinary skill in the art For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

Below with reference to Fig. 1-Fig. 4 detailed description according to the clutch pack for washing machine of the utility model embodiment 100。

Shown in referring to Fig.1, may include: according to the clutch pack 100 for washing machine of the utility model embodiment Dehydrating shaft 1, clutch shaft 8, upper housing 4, lower case 7, lower seal 16.

Wherein, dehydrating shaft 1 is adapted to the dehydration barrel of washing machine and to dehydration barrel output power, and dehydrating shaft 1 wears upper casing Body 4, and upper bearing (metal) 3 is provided between upper housing 4 and dehydrating shaft 1, the top of upper bearing (metal) 3 is provided with upper seal 2, in level side Upwards, upper seal 2 is arranged between upper housing 4 and dehydrating shaft 1.

Clutch shaft 8 is located at the lower section of dehydrating shaft 1, and in the specific example of Fig. 1, clutch shaft 8 and dehydrating shaft 1 are coaxially disposed, And brake disc 5 is provided between clutch shaft 8 and dehydrating shaft 1.

Lower case 7 is connected with upper housing 4, as shown in Figure 1, lower case 7 and upper housing 4 mutually fasten, lower case 7 and upper casing The inside of body 4 forms the cavity for accommodating components, and clutch shaft 8 wears lower case 7, is arranged between lower case 7 and clutch shaft 8 There is lower bearing 15, lower seal 16 is for sealing lower bearing 15, and the top of lower bearing 15 is arranged in lower seal 16, and in level On direction, lower seal 16 is arranged between lower case 7 and clutch shaft 8, and in the vertical direction, lower seal 16 is arranged in upper axis It holds between 3 and lower bearing 15.

In a particular embodiment, upper seal 2 and lower seal 16 are elastic component, and work as upper seal 2 and lower sealing After the assembly is completed, upper seal 2 and lower seal 16 all have certain flexible deformation to part 16, in this way, upper seal 2 can protect The sealing between upper housing 4 and dehydrating shaft 1 is demonstrate,proved, first of sealing defence line is formed, prevents the liquid such as water from entering the shell of clutch Interior (i.e. between upper housing 4 and lower case 7) makes it from giving birth to protect upper bearing (metal) 3 and lower bearing 15 to a certain extent Rust, lower seal 16 can guarantee the sealing between lower case 7 and clutch shaft 8, form second and seal defence line, thus further Lower bearing 15 is protected, the speed of getting rusty of lower bearing 15 is slowed down.

It should be pointed out that upper seal 2 and lower seal 16 can not only play the role of waterproof sealing, can also play The sealing functions such as dust-proof, grease proofing, anti-solid particle, to keep the cleaning between upper housing 4 and lower case 7.

As shown in Figure 1, clutch pack 100 can also include: ratchet 9, transmission shaft 10, shift fork 14, driving lever 17, actuating arm 18, the components such as wash shaft 19.

Wherein, wash shaft 19 is adapted to the stirring wheel of washing machine and to stirring wheel output power, and dehydrating shaft 1 is hollow Axis, wash shaft 19 is at least partly set in the inside of dehydrating shaft 1, and wash shaft 19 is supported in dehydrating shaft 1 by bearing, this Sample, wash shaft 19 can be rotated relative to dehydrating shaft 1.When washing machine is in non-dewatering state, wash shaft 19 is rotated, dehydrating shaft 1 Motionless, when washing machine is in dewatering state, dehydrating shaft 1 is rotated, and wash shaft 19 is motionless.

The lower section of clutch shaft 8 is arranged in transmission shaft 10, and transmission shaft 10 is used to receive external impetus, to drive dehydrating shaft 1 Or wash shaft 19 rotates.

Belt pulley 13 is fixed on the outer peripheral surface of transmission shaft 10, belt pulley 13 can be rotated synchronously with transmission shaft 10, belt pulley 13 for receiving the rotary power from washing machine motor, and the rotary power is passed to transmission shaft 10.In some implementations In example, clutch shaft 8 is also hollow shaft, and transmission shaft 10 is at least partly set in clutch shaft 8.Clutch cover 11 is arranged in transmission shaft 10 outside, a part and clutch cover 11 of transmission shaft 10 cooperate, and the outer diameter of clutch cover 11 is equal with the outer diameter of clutch shaft 8.It embraces Spring 12 is across covering on the outer peripheral surface of clutch cover 11 and clutch shaft 8, and ratchet 9 is caught in the lower end for embracing spring 12, so that constituting can Spring 12 and the coupling of the outer peripheral surface of clutch cover 11, clutch shaft 8 or isolated clutch will selectively be embraced.

Driving lever 17 is operating mechanism, and brake ribbon 6 is arranged on the outer peripheral surface of brake disc 5, and brake ribbon 6 is by 17 He of driving lever What actuating arm 18 directly controlled, brake ribbon 6 is selectively bonded with the outer peripheral surface of brake disc 5.It is dynamic in electromagnet or tractor etc. Under power control, the movement of driving lever 17 and actuating arm 18 can make clutch pack 100 have two states:

When driving lever 17 is in non-driven state (i.e. washing machine is in non-dewatering state), shift fork is pushed down through actuating arm 18 14, shift fork 14 stirs ratchet 9, embraces spring 12 to unscrew, and makes to embrace the outer peripheral surface that spring 12 leaves clutch cover 11 and clutch shaft 8, makes to embrace Spring 12 loses and couples with clutch cover 11, clutch shaft 8, and coupling is also lost between clutch cover 11, clutch shaft 8, thus can make to come from The rotary power of transmission shaft 10 cannot be passed to dehydrating shaft 1, and dehydrating shaft 1 also (is braked by the brake ribbon of non-action status 6 simultaneously Band 6 is bonded with brake disc 5) reverse braking and check spring forward dynamic resistance, prevent to drive dehydration because of the rotation of wash shaft 19 What axis 1 generated follows rotation, and avoids being driven in the reverse direction 1 coupling of dehydrating shaft by transmission mechanism because wash shaft 19 is rotated；

When driving lever 17 is driven (i.e. washing machine is in dewatering state), actuating arm 18 opens brake ribbon 6, exits it pair The forward dynamic resistance effect of the on-position of dehydrating shaft 1, check spring allows 1 backwards rotation of dehydrating shaft；Meanwhile driving lever 17 makes shift fork 14 leave ratchet 9, embrace a spring 12 and restore naturally to roll tightly state, that is, embrace spring 12 and be reset to and embrace spring 12 and clutch cover 11, clutch shaft 8 Outer peripheral surface fitting, between clutch cover 11, clutch shaft 8 thus couple, by friction constitute tighten direction transmission couple, make to come from The rotary power of transmission shaft 10 is passed to dehydrating shaft 1, rotates dehydrating shaft 1.

Had according to the clutch pack 100 for washing machine of the utility model embodiment by the way that lower seal 16 is arranged It imitates the condensed water avoided in lower case 7 to flow in lower bearing 15 through clutch shaft 8, the corrosion that lower bearing 15 has been effectively relieved is existing As being conducive to the service life for promoting lower bearing 15.

As shown in Figure 1, lower case 7 may include: bearing seal section 73, brake disc section 71 and transition connection section 72, bearing Seal section 73 is arranged in the lower section of brake disc section 71, transition connection section 72 be connected to bearing seal section 73 and brake disc section 71 it Between, lower bearing 15 and lower seal 16 are arranged in bearing seal section 73.Lower seal 16 and the inner hole of bearing seal section 73 are The outer peripheral surface of interference fit, lower seal 16 and clutch shaft 8 is also interference fit, it is possible thereby to increase lower seal 16 to bearing The pressing force of seal section 73 and clutch shaft 8 prevents water droplet along clutch shaft to be conducive to enhance the sealing effect of lower seal 16 8 enter in lower bearing 15, and then prevent lower bearing 15 from getting rusty.

For traditional lower case, the bearing seal section 73 of the lower case 7 of the utility model is longer, i.e., axial ruler It is very little larger, so that the installation for lower seal 16 leaves space.

Further, bearing seal section 73 and brake disc section 71 are hollow cylinder, the radial dimension of brake disc section 71 Greater than the radial dimension of bearing seal section 73, brake disc 5 is arranged in brake disc section 71.

Optionally, transition connection section 72 be annular flat wall construction, transition connection section 72 respectively with bearing seal section 73 and stop Hull section 71 is vertically connected.Optionally, brake disc section 71, transition connection section 72 and bearing seal section 73 are integrally formed part.

As Figure 3-Figure 4, the drainage hole 20 of multiple circular clutch shafts 8 is provided in transition connection section 72.Such as in Fig. 4 Specific example in, the quantity of drainage hole 20 is three, and three drainage holes 20 are distributed in three apexes of equilateral triangle, this Sample, the steam condensation in lower case 7 can discharge as early as possible from multiple angles.In other words, the quantity of drainage hole 20 is more, can To accelerate the velocity of discharge of steam condensation.In transition connection section 72 be arranged drainage hole 20 position can with more slightly lower, in order to Using the gravity of water, achieve the purpose that Quick drainage.

Further, as shown in Fig. 2, the upper surface of transition connection section 72 is not less than lower seal 16, lower seal 16 is complete Portion is located in bearing seal section 73, and lower seal 16 can preferably play sealing function as a result, and will not be with other components It interferes, and since the radial dimension of bearing seal section 73 is smaller, the lesser lower seal 16 of outer diameter can be selected, Thus be conducive to save cost, and the weight of clutch pack 100 will not be dramatically increased.

As shown in Fig. 2, there is multiple tracks to be pressed together on the sealing lip 161 on clutch shaft 8, sealing lip for the inside of lower seal 16 161 are interference fitted with clutch shaft 8, and sealing lip 161 reaches sealing effect by applying radial compacting force to clutch shaft 8, will The steam of 15 top of lower bearing is isolated, and prevents steam condensation from flowing to inside lower bearing 15, per pass sealing lip 161 can be with shape At sealing defence line together, to increase the sealing performance of lower seal 16.In the embodiment shown in Figure 2, sealing lip 161 Quantity is three.

Ring packing protrusion 162 is provided on the outer peripheral surface of lower seal 16, it is close lower seal 16 is mounted on bearing After sealing in section 73, ring packing protrusion 162 is bonded with the inner peripheral surface of bearing seal section 73, passes through setting ring packing protrusion 162, it can be to avoid forming negative pressure between lower seal 16 and bearing seal section 73, and then guarantee the installation of lower seal 16 or tear open Unloading can be more easier.

Further, about 161 sealing lip is arranged spaced apart, and about 162 multiple tracks ring packing protrusion is connected.

As shown in Fig. 2, lower seal 16 has embedded metallic framework 163, in other words, lower seal 16 is close under including: Sealing ontology and metallic framework 163, lower seal ontology are coated on 163 outside of metallic framework, and sealing lip 161 and ring packing are convex Rise 162 be lower seal ontology a part, lower seal ontology can be rubber parts, thus can guarantee that lower seal 16 exists Flexible deformation can occur when being squeezed.Metallic framework 163 can increase the intensity of lower seal 16, to guarantee lower sealing Part 16 preferably plays sealing function.

Further, lower seal 16 further includes spring ring 164, and spring groove, spring are provided on lower seal ontology Circle 164 is arranged in the spring groove, and spring ring 164 has certain elastic force, and the direction of the elastic force is towards the center of clutch shaft 8 Axis, in order to which spring ring 164 applies pressing force to sealing lip 161, so that 161 moment of sealing lip be made to compress clutch shaft 8, it is ensured that In the washing machine course of work, the sealing performance of lower seal 16 is not destroyed, to further improve the rust of lower bearing 15 Lose situation.

According to the washing machine of the utility model another aspect embodiment, the clutch for washing machine including above-described embodiment Device assembly 100.And for other constructions of washing machine, such as the public affairs that outer barrel, interior bucket have been well known to those skilled in the art Know technology, therefore no longer repeats one by one here.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example It is contained at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms Necessarily it is directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.In addition, those skilled in the art can be by this Different embodiments or examples described in specification are engaged and are combined.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (10)

1. a kind of clutch pack (100) for washing machine characterized by comprising

Dehydrating shaft (1) and clutch shaft (8), the clutch shaft (8) are located at the lower section of the dehydrating shaft (1)；

Upper housing (4), the dehydrating shaft (1) wear the upper housing (4), and the upper housing (4) and the dehydrating shaft (1) it Between be provided with upper bearing (metal) (3)；

Lower case (7), the lower case (7) are connected with the upper housing (4), and the clutch shaft (8) wears the lower case (7), lower bearing (15) are provided between the lower case (7) and the clutch shaft (8)；

For sealing the lower seal (16) of the lower bearing (15), the lower seal (16) is arranged in the lower bearing (15) Top.

2. the clutch pack (100) according to claim 1 for washing machine, which is characterized in that the lower case (7) It include: bearing seal section (73), brake disc section (71) and transition connection section (72), the transition connection section (72) is connected to described Between bearing seal section (73) and the brake disc section (71), the lower bearing (15) and the lower seal (16) are arranged in institute It states in bearing seal section (73).

3. the clutch pack (100) according to claim 2 for washing machine, which is characterized in that the brake disc section (71) radial dimension is greater than the radial dimension of the bearing seal section (73).

4. the clutch pack (100) according to claim 2 for washing machine, which is characterized in that the transition connection Section (72) be annular flat wall construction, the transition connection section (72) respectively with the bearing seal section (73) and the brake disc section (71) it is vertically connected.

5. the clutch pack (100) according to claim 2 for washing machine, which is characterized in that the transition connection Multiple drainage holes (20) around the clutch shaft (8) are provided in section (72).

6. the clutch pack (100) according to claim 5 for washing machine, which is characterized in that the transition connection The upper surface of section (72) is not less than the lower seal (16).

7. the clutch pack (100) according to claim 2 for washing machine, which is characterized in that the lower seal (16) there is multiple tracks to be pressed together on the sealing lip (161) on the clutch shaft (8), the outer peripheral surface of the lower seal (16) for inside On to be provided with ring packing raised (162).

8. the clutch pack (100) according to claim 7 for washing machine, which is characterized in that the sealing lip (161) arranged spaced apart up and down, the protrusion of ring packing described in multiple tracks (162) is connected up and down.

9. the clutch pack (100) according to claim 1 for washing machine, which is characterized in that the lower seal (16) there is embedded metallic framework (163).

10. a kind of washing machine, which is characterized in that including it is according to claim 1 to 9 for washing machine from Clutch component (100).