CN218436274U - Transmission mechanism with good structural stability - Google Patents

Abstract

The utility model discloses a transmission mechanism with good structural stability, which comprises a transmission component and a driving mechanism, wherein the transmission component comprises a main body structure and an external tooth structure, and the external tooth structure is arranged around the peripheral side of the main body structure; the driving mechanism comprises a motor, a driving shaft and a worm structure, the worm structure is meshed with the external tooth structure, and the motor rotates through the driving worm structure and then drives the external tooth structure to rotate. The transmission assembly provided by the utility model is not arranged into an integrated structure, but comprises a main body structure and an external tooth structure; the external tooth structure is made of a metal material, so that the transmission effect can be realized, and meanwhile, the requirements on structural strength and structural stability can be met; the main body structure is made of plastics, so that the material cost is saved, and the transmission energy efficiency of the transmission mechanism can be obviously improved. Furthermore, the utility model discloses still be equipped with two sealing washers and be used for isolated outside water, ensure the inside transmission assembly normal steady operation of top cap and bottom.

Description

Transmission mechanism with good structural stability

Technical Field

The utility model relates to a drive mechanism technical field especially relates to a drive mechanism that structural stability is good.

Background

The washing machine is a cleaning electric appliance for washing clothes by using mechanical action generated by electric energy, and along with the progress of science and technology, the continuous improvement of the living standard of people and the continuous enhancement of the health consciousness of people, more and more small washing machines are widely applied to common families.

However, the washing machine in the prior art has the following technical drawbacks and disadvantages: the traditional washing machine is provided with a transmission mechanism, the transmission mechanism usually comprises a gear structure, a rotating shaft and the like, in order to ensure the structural strength, the transmission mechanism is generally integrally made of rigid materials such as metal or alloy and the like, but the material cost is not easy to control, and the gear structure made of pure metal or alloy has larger weight and larger burden on a motor, so that the transmission energy efficiency is low; however, if the transmission mechanism is made of light materials such as plastics, the structural strength and the structural stability of the transmission mechanism cannot be guaranteed.

Therefore, there is a need in the art to provide a transmission mechanism with good structural stability and low cost.

SUMMERY OF THE UTILITY MODEL

In order to overcome above-mentioned prior art an at least defect, the utility model provides a drive mechanism that structural stability is good, this drive mechanism that structural stability is good have that structural design is simple reasonable, structural strength is high, structural stability is good and low in manufacturing cost's characteristics.

The utility model discloses a solve the technical scheme that its problem adopted and be:

a kind of drive motor constructs with good structural stability, it includes:

the transmission assembly comprises a main body structure and an external tooth structure, and the external tooth structure is arranged on the outer peripheral side of the main body structure in a surrounding mode;

the driving mechanism comprises a motor, a driving shaft and a worm structure, the worm structure is fixedly arranged on the driving shaft, and the driving shaft is fixedly connected with the output end of the motor;

the worm structure is meshed with the external tooth structure, and the motor drives the worm structure to rotate so as to drive the external tooth structure to rotate.

Furthermore, the external tooth structure is made of metal materials, and the main body structure is made of plastics.

Furthermore, a plurality of limiting grooves are formed in the outer peripheral side of the main body structure, a plurality of limiting protrusions are formed in the inner peripheral side of the outer tooth structure, and the limiting grooves and the limiting protrusions are correspondingly arranged so that the main body structure and the outer tooth structure can keep synchronous rotation.

Furthermore, the transmission assembly further comprises a top plate, the top plate is fixedly arranged at the top of the main body structure, and the outer tooth structure is pressed and fixed on the main body structure through the top plate.

Further, drive assembly still includes bottom plate and pivot, the bottom plate is fixed to be set up the bottom of major structure, the pivot with bottom plate fixed connection, the pivot is from supreme passing in proper order down the major structure with the roof, and follow the top of roof stretches out the setting.

Furthermore, the transmission mechanism with good structural stability further comprises a bottom cover and a top cover, the bottom cover is fixedly connected with the top cover, the transmission assembly is arranged in an accommodating space formed between the bottom cover and the top cover, and the rotating shaft extends out of the top cover.

Furthermore, the transmission mechanism with good structural stability further comprises a first sealing ring and a second sealing ring, wherein the first sealing ring is arranged at the connecting position between the bottom cover and the top cover, and the second sealing ring is arranged at the connecting position between the rotating shaft and the top cover.

Furthermore, this drive mechanism that structural stability is good still includes the bearing, the bearing sets up the top cap with between the pivot, the pivot passes the bearing setting, just the pivot with bearing rotatable coupling.

Furthermore, the outside of top cap is equipped with the assembly portion, the motor is fixed to be set up on the assembly portion, and the drive shaft inserts the inside setting of top cap.

Further, the axis of the drive shaft and the axis of the rotating shaft are arranged perpendicular to each other.

To sum up, the utility model provides a drive mechanism that structural stability is good compares in prior art, has following technological effect at least:

1) The utility model provides a transmission mechanism with good structural stability, the transmission component of which is not arranged into an integral structure but comprises a main body structure and an external tooth structure, and the external tooth structure is arranged around the peripheral side of the main body structure; the external tooth structure is made of a metal material and is in meshed connection with the worm, so that the transmission effect can be realized, and meanwhile, the requirements on structural strength and structural stability can be met; the main body structure is made of plastics, so that the material cost is saved, and the transmission energy efficiency of the transmission mechanism can be obviously improved.

2) The utility model provides a drive mechanism that structural stability is good, it passes through worm structure and external tooth structure meshing connection, with this transmission effect who realizes between actuating mechanism and the drive assembly, can set up actuating mechanism and drive assembly side by side on the horizontal direction through this structural design mode, but not set up on same straight line, thereby not reducing the product volume, under the condition of laundry efficiency and laundry effect, effectively reduce the height of product, improve the inside space usage rate of product, reduce the product and to the occupation of exterior space, further reduce the manufacturing material cost of product simultaneously.

3) The utility model provides a drive mechanism that structural stability is good is equipped with first sealing washer between its top cap and the bottom, is equipped with the second sealing washer between top cap and the pivot, can ensure that outside water can't get into the inside of top cap and bottom through the clearance between top cap and the bottom, between top cap and the pivot, and then ensures its inside transmission assembly steady operation, and structural stability is good.

Drawings

Fig. 1 is an exploded view of a transmission mechanism with good structural stability according to the present invention;

fig. 2 is an exploded view of the transmission assembly of the present invention;

fig. 3 is a schematic structural view of the transmission mechanism with good structural stability of the present invention;

FIG. 4 isbase:Sub>A schematic sectional view taken along line A-A of FIG. 3;

wherein the reference numerals have the following meanings:

1. a transmission assembly; 11. a main body structure; 111. a limiting groove; 12. an external tooth structure; 121. a limiting bulge; 13. a top plate; 14. a base plate; 2. a drive mechanism; 21. a motor; 22. a drive shaft; 23. a worm structure; 3. a rotating shaft; 4. a bottom cover; 5. a top cover; 51. an assembling portion; 6. a first seal ring; 7. a second seal ring; 8. and (5) a bearing.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1-4, in a first embodiment of the present invention, a transmission mechanism with good structural stability includes a transmission assembly 1, where the transmission assembly 1 includes a main body structure 11 and an external tooth structure 12, and the external tooth structure 12 is disposed around an outer peripheral side of the main body structure 11. Specifically, the transmission assembly 1 is not provided as a one-piece structure as in the related art transmission mechanism, but includes the main body structure 11 and the external tooth structure 12, so that the material for manufacturing the main body structure 11 and the external tooth structure 12 can be selected as desired.

This drive mechanism that structural stability is good still includes actuating mechanism 2, actuating mechanism 2 includes motor 21, drive shaft 22 and worm structure 23, worm structure 23 is fixed to be set up on the drive shaft 22, drive shaft 22 with the output fixed connection of motor 21. Wherein the worm structure 23 and the external tooth structure 12 are in meshed connection. When the motor 21 starts, the output end of the motor drives the driving shaft 22 to rotate, the driving shaft 22 rotates to drive the worm structure 23 to rotate, the worm structure 23 rotates to drive the external tooth structure 12 to rotate, the external tooth structure 12 rotates to drive the main body structure 11 to rotate, and finally the transmission effect is achieved.

In the technical scheme of this embodiment, this drive mechanism that structural stability is good passes through worm structure 23 and the meshing connection of external tooth structure 12, thereby realize the transmission effect between actuating mechanism 2 and the drive assembly 1, can set up actuating mechanism 2 and drive assembly 1 side by side on the horizontal direction through this structural design mode, and not set up on same straight line, thereby under the condition that does not reduce the product volume, effectively reduce the height of product, improve the inside space usage rate of product, reduce the occupation of product to exterior space, the manufacturing material cost of product is further reduced simultaneously.

In a preferred version of this embodiment, the external tooth structure 12 is made of a metal material, and the main body structure 11 is made of plastic. Specifically, the external-teeth structure 12 and the worm 23 are engaged with each other, so that the external-teeth structure 12 made of a metal material can achieve a transmission effect while satisfying requirements for structural strength and structural stability. The external tooth structure 12 made of plastic is arranged inside the main body structure 11, so that the weight is light, the manufacturing material cost is saved, and meanwhile, the transmission energy efficiency of the transmission mechanism can be obviously improved, namely, the running load and the power consumption of the motor 21 are reduced.

Referring to fig. 2, in another preferred embodiment of the present invention, a plurality of limiting recesses 111 are provided on an outer peripheral side of the main body structure 11, a plurality of limiting protrusions 121 are provided on an inner peripheral side of the external tooth structure 12, and the limiting recesses 111 and the limiting protrusions 121 are correspondingly provided so that the main body structure 11 and the external tooth structure 12 keep rotating synchronously. Specifically, the number of the limiting grooves 111 is equal to that of the limiting protrusions 121, and the two limiting grooves are corresponding to each other, so that when the external tooth structure 12 is disposed on the outer peripheral side of the main body structure 11, each limiting protrusion 121 is inserted into the corresponding limiting groove 111, so that the external tooth structure 12 can drive the main body structure 11 to rotate synchronously in the rotating process.

Referring to fig. 2 and 4, in a second embodiment of the present invention, the transmission assembly 1 further includes a top plate 13, the top plate 13 is fixedly disposed on the top of the main body structure 11, and the top plate 13 presses and fixes the external tooth structure 12 on the main body structure 11. In the solution of this embodiment, after the top plate 13 is fixed to the top of the main structure 11 by a connecting member such as a bolt, a screw, or a screw, the outer peripheral portion of the top plate 13 abuts against the external teeth structure 12, so that the external teeth structure 12 is pressed against the main structure 11, thereby realizing the fixed fitting connection between the main structure 11 and the external teeth structure 12.

Referring to fig. 2 and 4, in a preferred scheme of this embodiment, the transmission assembly 1 further includes a bottom plate 14 and a rotating shaft 3, the bottom plate 14 is fixedly disposed at the bottom of the main body structure 11, the rotating shaft 3 is fixedly connected to the bottom plate 14, and the rotating shaft 3 sequentially penetrates through the main body structure 11 and the top plate 13 from bottom to top and extends out from above the top plate 13. In this preferred embodiment, after the bottom plate 14 is fixed to the bottom of the main body structure 11 by a connecting member such as a bolt, a screw, or a screw, the shaft 3 is fixedly connected to the main body structure 11 by the bottom plate 14 since the shaft 3 is fixedly connected to the bottom plate 14. Through the structural design mode, in the rotating process of the external tooth structure 12, the main body structure 11 can be driven to rotate synchronously, and then the rotating shaft 3 is driven to rotate synchronously.

Referring to fig. 1 and 4, in a further aspect of this embodiment, the transmission mechanism with good structural stability further includes a bottom cover 4 and a top cover 5, the bottom cover 4 and the top cover 5 are fixedly connected, the transmission assembly 1 is disposed in an accommodating space formed between the bottom cover 4 and the top cover 5, and the rotating shaft 3 extends from above the top cover 5. Particularly, form relative inclosed accommodation space between bottom 4 and the top cap 5, the utility model discloses a transmission assembly 1 sets up in this accommodation space, can play isolated external environment's effect to transmission assembly 1, avoids outside liquid to get into in transmission assembly 1 and the actuating mechanism 2. More specifically, the rotating shaft 3 extending from the top of the top cover 5 can be connected to an impeller structure of the washing machine, etc., to achieve the effect of driving the impeller structure to rotate.

Referring to fig. 1 and 4, in a further embodiment of the present invention, the transmission mechanism with good structural stability further includes a first sealing ring 6 and a second sealing ring 7, the first sealing ring 6 is disposed at a connection portion between the bottom cover 4 and the top cover 5, and the second sealing ring 7 is disposed at a connection portion between the rotating shaft 3 and the top cover 5. Specifically, the first sealing ring 6 is provided to improve the sealing effect at the joint of the top cover 5 and the bottom cover 4, and prevent external liquid such as water from entering the inner accommodating space through the gap between the top cover 5 and the bottom cover 4, thereby affecting the normal operation of the transmission assembly 1 and the driving mechanism 2. In a similar way, the purpose of arranging the second sealing ring 7 is to improve the sealing effect at the joint of the top cover 5 and the rotating shaft 3, and prevent liquid such as external water from entering the accommodating space inside the top cover 5 and the rotating shaft 3 through the gap between the top cover 5 and the rotating shaft 3, thereby affecting the normal operation of the transmission assembly 1 and the driving mechanism 2.

Referring to fig. 1 and 4, in another preferred embodiment of the present invention, the transmission mechanism with good structural stability further includes a bearing 8, the bearing 8 is disposed between the top cover 5 and the rotating shaft 3, the rotating shaft 3 is disposed through the bearing 8, and the rotating shaft 3 and the bearing 8 are rotatably connected. In the preferred technical scheme, the top of the top cover 5 is provided with an annular convex structure, a cavity is formed in the annular convex structure, the bearing 8 is arranged in the cavity, and after the assembly is completed, the rotating shaft 3 is arranged through the bearing 8, so that the bearing 8 is arranged between the top cover 5 and the rotating shaft 3. Specifically, through set up bearing 8 between top cap 5 and pivot 3, can avoid pivot 3 to rotate the direct rigid contact of in-process and top cap 5 to effectively reduce coefficient of friction, improve overall structure's bearing capacity and the stability ability of structure, guarantee that pivot 3 and top cap 5 can not appear the condition that the structural wear damaged under the condition of long-term use yet, with this life who improves this drive mechanism.

In the third embodiment of the present invention, the outer side of the top cover 5 is provided with an assembly portion 51, the motor 21 is fixedly disposed on the assembly portion 51, and the driving shaft 22 is inserted into the inner portion of the top cover 5. In this alternative solution, the assembling portion 51 is a protruding structure disposed outside the top cover 5, and the assembling portion 51 is provided with a through hole communicating with the accommodating space inside the top cover 5 and the bottom cover 4, after the motor 21 is mounted on the assembling portion 51, the driving shaft 22 at the end of the motor 21 passes through the through hole and is inserted into the accommodating space, so that the worm structure 23 on the driving shaft 22 is engaged with the external tooth structure 12.

In a preferred technical solution of this embodiment, the axis of the driving shaft 22 and the axis of the rotating shaft 3 are arranged perpendicular to each other, so that the rotation motion of the driving shaft 22 in the horizontal direction is converted into the rotation motion of the rotating shaft 3 in the vertical direction, and the driving mechanism 2 and the transmission assembly 1 do not need to be coaxially arranged, thereby significantly improving the utilization rate of the air.

To sum up, the utility model provides a transmission assembly 1 does not set up to the integral type structure, but includes major structure 11 and external tooth structure 12, and external tooth structure 12 encircles the periphery side that sets up at major structure 11. The external tooth structure 12 is made of a metal material, and the external tooth structure 12 is meshed with the worm 23, so that the requirements on structural strength and structural stability can be met while the transmission effect is realized; the main body structure 11 is made of plastic, so that the material cost is saved, and the transmission energy efficiency of the transmission mechanism can be obviously improved. And, the utility model discloses a worm structure 23 and the meshing of external tooth structure 12 are connected, with this transmission effect between realization actuating mechanism 2 and the drive assembly 1, can set up actuating mechanism 2 and drive assembly 1 side by side on the horizontal direction through this structural design mode, and non-setting is on same straight line, thereby not reducing the product volume, under the condition of laundry efficiency and laundry effect, effectively reduce the height of product, improve the inside space usage rate of product, reduce the product and to the occupation of exterior space, further reduce the manufacturing material cost of product simultaneously. Furthermore, the utility model provides a be equipped with first sealing washer 6 between top cap 5 and the bottom 4, be equipped with second sealing washer 7 between top cap 5 and the pivot 3, can ensure that outside water can't get into the inside of top cap 5 and bottom 4 through the clearance between top cap 5 and the bottom 4, between top cap 5 and the pivot 3, and then ensure its inside transmission assembly steady operation, structural stability is good.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by combining the above technical features at will. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims (10)

1. The utility model provides a drive mechanism that structural stability is good which characterized in that includes:

the transmission assembly comprises a main body structure and an external tooth structure, and the external tooth structure is arranged on the outer periphery side of the main body structure in a surrounding mode;

the driving mechanism comprises a motor, a driving shaft and a worm structure, the worm structure is fixedly arranged on the driving shaft, and the driving shaft is fixedly connected with the output end of the motor;

the worm structure is meshed with the external tooth structure, and the motor drives the worm structure to rotate so as to drive the external tooth structure to rotate.

2. The transmission mechanism with good structural stability according to claim 1, wherein the external tooth structure is made of a metal material, and the main body structure is made of plastic.

3. The transmission mechanism with good structural stability according to claim 1, wherein a plurality of limiting grooves are formed on an outer peripheral side of the main body structure, a plurality of limiting protrusions are formed on an inner peripheral side of the external tooth structure, and the limiting grooves and the limiting protrusions are correspondingly arranged so that the main body structure and the external tooth structure can keep rotating synchronously.

4. The transmission mechanism with good structural stability according to claim 1, wherein the transmission assembly further comprises a top plate, the top plate is fixedly arranged on the top of the main body structure, and the top plate presses and fixes the outer tooth structure on the main body structure.

5. The transmission mechanism with good structural stability as claimed in claim 4, wherein the transmission assembly further comprises a bottom plate and a rotating shaft, the bottom plate is fixedly disposed at the bottom of the main body structure, the rotating shaft is fixedly connected with the bottom plate, and the rotating shaft sequentially penetrates through the main body structure and the top plate from bottom to top and extends out of the top plate.

6. The transmission mechanism with good structural stability of claim 5, further comprising a bottom cover and a top cover, wherein the bottom cover and the top cover are fixedly connected, the transmission assembly is disposed in the accommodating space formed between the bottom cover and the top cover, and the rotating shaft extends from the top of the top cover.

7. The transmission mechanism with good structural stability of claim 6, further comprising a first sealing ring and a second sealing ring, wherein the first sealing ring is disposed at a connecting portion between the bottom cover and the top cover, and the second sealing ring is disposed at a connecting portion between the rotating shaft and the top cover.

8. The transmission mechanism with good structural stability of claim 6, further comprising a bearing, wherein the bearing is disposed between the top cover and the rotating shaft, the rotating shaft penetrates through the bearing, and the rotating shaft is rotatably connected to the bearing.

9. The transmission mechanism with good structural stability as claimed in claim 6, wherein an assembly portion is provided at an outer side of the top cover, the motor is fixedly provided at the assembly portion, and the driving shaft is inserted into the top cover.

10. The transmission mechanism with good structural stability of claim 9, wherein the axis of the driving shaft and the axis of the rotating shaft are perpendicular to each other.

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