CN215289291U - Sealing transmission mechanism for washing machine - Google Patents

Abstract

The utility model provides a sealed drive mechanism for rinsing machine, including bearing the end cover, water seal arrangement, and a housing, the side is equipped with the oil filler point in the middle of the shell, front end bearing installs in the inside front end of shell, rear end bearing installs in the inside rear end of shell, the pivot is located front end bearing and rear end bearing, the nut passes through the screw thread and installs in pivot left part, gasket and preceding axle sleeve are in the pivot, be located between nut and the front end bearing, the front end cover is installed in the shell front end, preceding oil blanket is located between front end cover and the preceding axle sleeve, well axle sleeve is in the pivot, the rear end cap is installed in the shell rear end, back axle sleeve is at the pivot rear portion, and with rear end bearing contact, the back oil blanket is located between back axle sleeve and the rear end cap, water seal arrangement installs in the shell rear end, it installs in water seal arrangement rear end to bear the end cap, the utility model discloses good leakproofness has.

Description

Sealing transmission mechanism for washing machine

Technical Field

The utility model relates to a rinsing machine especially relates to a sealed drive mechanism for rinsing machine.

Background

The water washing machine comprises a plurality of devices, and the water washing machine can be roughly divided into the following devices: the washing and dehydrating machine is a washing machine with full-automatic washing and dehydrating integrated operation, and is the most common equipment in the washing machine. The horizontal industrial washing machine is a horizontal washing machine with the bearing force of a roller stressed by two bearings, and is a design method which is commonly used in a high-capacity washing machine. The vertical industrial washing machine is constructed in a washing and dehydrating machine, but the machine does not adopt a variable frequency suspension design, and the device has the advantage of small floor area. The isolated washing machine is a full-automatic washing machine with a forward and backward outlet mode, and has the advantage that no cross infection or secondary cross exists after washing.

The sealed drive mechanism of rinsing machine is as the important drive disk assembly of rinsing machine, connect the driving motor and the cylinder of rinsing machine, the rinsing machine during operation, there is a large amount of water in the cylinder of rinsing machine, the aquatic of the cylinder of grease infiltration rinsing machine in the sealed drive mechanism that has not prevented, in preventing the water in the cylinder again and getting into sealed drive mechanism and driving motor, if sealing performance is poor, the grease gets into the aquatic of cylinder, can pollute the washing water, reduce clean effect, inside water gets into pivot and driving motor, can damage drive disk assembly and driving motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sealed drive mechanism for rinsing machine to it is relatively poor to solve current sealing performance, and during the grease got into washing operational environment, can pollute the washing water, reduces clean effect, and inside water got into the pivot, damaged drive disk assembly's problem easily.

The utility model discloses a realize like this:

a sealed transmission mechanism for a washing machine comprises a bearing end cover, a water seal device, a shell, an oil filling hole, a front end bearing, a front end cover, a front oil seal, a front shaft sleeve, a gasket, a nut, a rotating shaft, a middle shaft sleeve, a rear end bearing, a rear end cover, a rear oil seal and a rear shaft sleeve, wherein the rotating shaft is coaxially arranged inside the shell through the front end bearing and the rear end bearing, the front end bearing is arranged at the front part of the rotating shaft, the rear end bearing is arranged at the rear part of the rotating shaft, the oil filling hole is arranged on the middle side surface of the shell, the left part of the rotating shaft is provided with threads, the nut is arranged at the left part of the rotating shaft through threads, the gasket and the front shaft sleeve are sequentially arranged on the rotating shaft between the nut and the front end bearing from left to right and are in contact with each other, the front end cover is arranged at the front end of the shell and is in contact with the front end bearing, the front oil seal is positioned between the front end cover and the front shaft sleeve, the middle shaft sleeve is arranged between the front end bearing and the rear end bearing and is positioned on the rotating shaft and between the front end bearing and the rear end bearing, the rear end cover is arranged at the rear end of the shell and is contacted with the front end bearing and the rear end bearing, the rear shaft sleeve is arranged at the rear part of the rotating shaft and is contacted with the rear end bearing, the rear oil seal is arranged on the rotating shaft between the rear shaft sleeve and the rear end cover, the water seal device is arranged at the rear end of the shell, and the bearing end cover is arranged at the rear end of the water seal device.

The water sealing device comprises a water sealing fixing ring, an upper stepped sealing ring, a first flow choking ring, a lower stepped sealing ring, a water sealing ring and a second flow choking ring, wherein the water sealing fixing ring is installed at the rear end of the shell, the upper stepped sealing ring is installed in the water sealing fixing ring, a gap is reserved between the upper stepped sealing ring and the rear shaft sleeve, the lower stepped sealing ring is installed at the tail end of the rotating shaft, the number of the water sealing rings is 2, the water sealing rings are respectively installed below the upper stepped sealing ring on the rear shaft sleeve and the lower stepped sealing ring, the water sealing rings are in contact with the upper stepped sealing ring, the first flow choking ring is installed at the rear end of the water sealing fixing ring, the second flow choking ring is installed at the front end of the bearing end cover, and a long and narrow channel is formed between the first flow choking ring and the second flow choking ring.

The water seal ring comprises a flow blocking valve and a flow blocking ring, wherein the flow blocking valve is hollow and circular and wraps the outer side face of the flow blocking ring.

The utility model has the advantages that:

the utility model comprises a bearing end cover, a water seal device, a shell, an oil filling hole, a front end bearing, a front end cover, a front oil seal, a front shaft sleeve, a gasket, a nut, a rotating shaft, a middle shaft sleeve, a rear end bearing, a rear end cover, a rear oil seal and a rear shaft sleeve, wherein the rotating shaft passes through the front end bearing and the rear end bearing and is coaxially arranged inside the shell, the front end bearing is arranged at the front part of the rotating shaft, the rear end bearing is arranged at the rear part of the rotating shaft, the oil filling hole is arranged at the middle side surface of the shell, the left part of the rotating shaft is provided with a thread, the nut is arranged at the left part of the rotating shaft through the thread, the gasket and the front shaft sleeve are sequentially arranged on the rotating shaft between the nut and the front end bearing from left to right and are contacted with each other, the front end cover is arranged at the front end of the shell and is contacted with the front end bearing, the front oil seal is positioned between the front end cover and the front shaft sleeve, the middle shaft sleeve is arranged in the rotating shaft between the front end bearing and the rear end bearing and is positioned between the front end bearing and the rear end bearing, the rear end cover is arranged at the rear end of the shell and is contacted with the front end bearing and the rear end bearing, the rear shaft sleeve is sleeved at the rear part of the rotating shaft and is contacted with the rear end bearing, the rear oil seal is arranged in the rotating shaft between the rear shaft sleeve and the rear end cover, the water sealing device is arranged at the rear end of the shell, and the bearing end cover is arranged at the rear end of the water sealing device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the water seal assembly of the present invention;

fig. 3 is a schematic structural diagram of the cross section of the water seal ring of the present invention.

In the figure: 1. a load bearing end cap; 2. a water seal device; 3. a housing; 4. an oil filler hole; 5. a front end bearing; 6. a front end cover; 7. a front oil seal; 8. a front shaft sleeve; 9. a gasket; 10. a nut; 11. a rotating shaft; 12. a middle shaft sleeve; 13. a rear end bearing; 14. a rear end cap; 15. a rear oil seal; 16. a rear shaft sleeve; 21. a water seal fixing ring; 22. an upper stepped sealing ring; 23. a first choker; 24. a lower step seal ring; 25. sealing a ring with water; 26. a second choked flow coil; 251. a flow-blocking valve; 252. a flow blocking ring.

Detailed Description

The present invention is further illustrated by the following examples, which are given by way of illustration only and are not intended to limit the scope of the present invention in any way.

As shown in figure 1, a sealed transmission mechanism for a washing machine comprises a bearing end cover 1, a water seal device 2, a shell 3, an oil filling hole 4, a front end bearing 5, a front end cover 6, a front oil seal 7, a front shaft sleeve 8, a gasket 9, a nut 10, a rotating shaft 11, a middle shaft sleeve 12, a rear end bearing 13, a rear end cover 14, a rear oil seal 15 and a rear shaft sleeve 16, wherein the rotating shaft 11 is coaxially arranged inside the shell 3 through the front end bearing 5 and the rear end bearing 13, the front end bearing 5 is arranged at the front part of the rotating shaft 11, the rear end bearing 13 is arranged at the rear part of the rotating shaft 11, the oil filling hole 4 is arranged on the middle side surface of the shell 3, the left part of the rotating shaft 11 is provided with threads, the nut 10 is arranged at the left part of the rotating shaft 11 through the threads, the gasket 9 and the front shaft sleeve 8 are sequentially arranged on the rotating shaft 11 between the nut 10 and the front end bearing 5 from left to right and are contacted with each other, the front end cover 6 is arranged at the front end of the shell 3 and is contacted with the front end bearing 5, the front oil seal 7 is positioned between the front end cover 6 and the front shaft sleeve 8, the middle shaft sleeve 12 is installed on a rotating shaft 11 between the front end bearing 5 and the rear end bearing 13 and is positioned between the front end bearing 5 and the rear end bearing 13, the rear end cover 14 is installed at the rear end of the shell 3 and is in contact with the front end bearing 5 and the rear end bearing 13, the rear shaft sleeve 16 is sleeved at the rear part of the rotating shaft 11 and is in contact with the rear end bearing 13, the rear oil seal 15 is installed on the rotating shaft 11 between the rear shaft sleeve 16 and the rear end cover 14, the water seal device 2 is installed at the rear end of the shell 3, and the bearing end cover 1 is installed at the rear end of the water seal device 2. Wherein, front end housing 6 passes through the bolt and installs in the shell 3 front end, and preceding oil blanket 7 passes through the draw-in groove to be installed between front end housing 6 and preceding axle sleeve 8.

As shown in fig. 2, the water seal device 2 includes a water seal fixing ring 21, an upper stepped seal ring 22, a first flow resisting ring 23, a lower stepped seal ring 24, a water seal ring 25 and a second flow resisting ring 26, the water seal fixing ring 21 is installed at the rear end of the housing 3, the upper stepped seal ring 22 is installed in the water seal fixing ring 21, a gap is formed between the upper stepped seal ring 22 and the rear shaft sleeve 16, the lower stepped seal ring 24 is installed at the tail end of the rotating shaft 11, the number of the water seal rings 25 is 2, the water seal rings are respectively installed on the rear shaft sleeve 16 and the lower stepped seal ring 24 below the upper stepped seal ring 22, the water seal ring 25 is in contact with the upper stepped seal ring 22, the first flow resisting ring 23 is installed at the rear end of the water seal fixing ring 21, the second flow resisting ring 26 is installed at the front end of the bearing end cover 1, and a long and narrow passage is formed between the first flow resisting ring 23 and the second flow resisting ring 26. In the present embodiment, a zigzag gap is formed between the upper stepped seal ring 22 and the lower stepped seal ring 24, so that liquid is difficult to pass through when the rotating shaft rotates at a high speed, and the sealing performance is good, and meanwhile, a narrow and long channel is formed between the first choker 23 and the second choker 26, so that part of liquid can be stored, and the force of the liquid impacting the sealing structure is reduced.

As shown in fig. 3, the water seal 25 includes a flow blocking valve 251 and a flow blocking ring 252, and the flow blocking valve 251 is wrapped around the outer side of the flow blocking ring 252. In this embodiment, when the water stream impacts the water sealing ring 25, the larger the impact is on the flow blocking valve 251, the tighter the sealing is, wherein the joint between the flow blocking valve 251 and the flow blocking ring 252 is rounded, so that the stress is low, and the service life is prolonged.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (3)

1. A sealed transmission mechanism for a washing machine is characterized by comprising a bearing end cover, a water seal device, a shell, an oil filling hole, a front end bearing, a front end cover, a front oil seal, a front shaft sleeve, a gasket, a nut, a rotating shaft, a middle shaft sleeve, a rear end bearing, a rear end cover, a rear oil seal and a rear shaft sleeve, wherein the rotating shaft is coaxially arranged inside the shell through the front end bearing and the rear end bearing, the front end bearing is arranged at the front part of the rotating shaft, the rear end bearing is arranged at the rear part of the rotating shaft, the oil filling hole is arranged on the middle side surface of the shell, the left part of the rotating shaft is provided with threads, the nut is arranged at the left part of the rotating shaft through threads, the gasket and the front shaft sleeve are sequentially arranged on the rotating shaft between the nut and the front end bearing from left to right and are in contact with each other, the front end cover is arranged at the front end of the shell, the bearing is in contact with a front end bearing, the front oil seal is positioned between the front end cover and the front shaft sleeve, the middle shaft sleeve is arranged on the rotating shaft between the front end bearing and the rear end bearing and is positioned between the front end bearing and the rear end bearing, the rear end cover is arranged at the rear end of the shell and is in contact with the front end bearing and the rear end bearing, the rear shaft sleeve is sleeved at the rear part of the rotating shaft and is in contact with the rear end bearing, the rear oil seal is arranged on the rotating shaft between the rear shaft sleeve and the rear end cover, the water seal device is arranged at the rear end of the shell, and the bearing end cover is arranged at the rear end of the water seal device.

2. The seal transmission mechanism for the washing machine according to claim 1, the water seal device comprises a water seal fixing ring, an upper stepped sealing ring, a first flow choking ring, a lower stepped sealing ring, a water seal ring and a second flow choking ring, the water seal fixing ring is arranged at the rear end of the shell, the upper stepped sealing ring is arranged in the water seal fixing ring, a gap is arranged between the upper stepped sealing ring and the rear shaft sleeve, the lower stepped sealing rings are arranged at the tail end of the rotating shaft, the number of the water sealing rings is 2, the water sealing rings are respectively arranged on the rear shaft sleeve and the lower stepped sealing ring below the upper stepped sealing ring, the water seal ring is contacted with the upper stepped sealing ring, the first choked flow ring is arranged at the rear end of the water seal fixing ring, the second choker is arranged at the front end of the bearing end cover, and an elongated channel is formed between the first choker and the second choker.

3. The sealing transmission mechanism for the washing machine as claimed in claim 2, wherein the water sealing ring comprises a flow blocking valve and a flow blocking ring, and the flow blocking valve is hollow and circular and wraps the outer side face of the flow blocking ring.

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