CN216447389U

CN216447389U - Gear reducer with high practicability

Info

Publication number: CN216447389U
Application number: CN202122894789.8U
Authority: CN
Inventors: 赵业红
Original assignee: Foshan Weiyi Electrical Appliance Co ltd
Current assignee: Foshan Weiyi Electrical Appliance Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-06
Anticipated expiration: 2031-11-22

Abstract

The embodiment of the utility model discloses a gear reducer with strong practicability, which comprises a shell; the output end of the motor is provided with a motor gear; the gear set is respectively meshed with the motor gear and the rack structure; the end part of the rack structure is provided with an assembling part, and the assembling part is used for being assembled and connected with the push rod head. According to the utility model, through a structural design mode of motor driving and gear set transmission, the source power output rotation of the motor is finally converted into the linear motion output force of the rack structure and the push rod head assembled and connected with the end part of the rack structure through the speed reduction of the gear set and the torque transmission increasing effect, the large transmission torque is ensured, the stable motion is ensured, the durability of the gear reducer is improved, and the gear reducer has the characteristics of low energy consumption and low noise; and, through modular structure design, make gear reducer become independent part, can be used for a plurality of positions of different products, the installation is nimble and easy and simple to handle, is convenient for examine and tear open after sale.

Description

Gear reducer with high practicability

Technical Field

The utility model relates to the technical field of refrigeration appliances, in particular to a gear reducer with high practicability.

Background

A reduction gear is a reduction transmission that serves to match rotational speed and transmit torque between a prime mover and a working machine or actuator, and is used in a wide variety of modern machines.

The speed reducer in the prior art is mainly made of metal parts and widely applied to the field of mechanical equipment, and the speed reducer applied to a refrigeration appliance is heavy in structure and has the condition of 'supply over demand'. In addition, no speed reducer matched with the refrigeration appliance from multiple angles is arranged on the refrigeration appliance, so that the speed reducer which can be highly matched and improve the use condition and the use environment of the refrigeration appliance is an important ring for improving the product quality.

Therefore, there is a need in the art to provide a decelerator suitable for a refrigeration device.

SUMMERY OF THE UTILITY MODEL

In order to overcome at least one defect in the prior art, the utility model provides the gear reducer with strong practicability, and the gear reducer with strong practicability has the characteristics of space saving, stable movement, flexible installation, easy disassembly and assembly and strong practicability.

The technical scheme adopted by the utility model for solving the problems is as follows:

a gear reducer with strong practicability comprises:

the device comprises a shell, a shell and a cover, wherein an accommodating space is arranged in the shell;

the motor is arranged in the accommodating space, and the output end of the motor is provided with a motor gear;

the gear set and the rack structure are arranged in the accommodating space, and the gear set is respectively meshed and connected with the motor gear and the rack structure;

the end part of the rack structure is provided with an assembling part, the assembling part is used for being assembled and connected with the push rod head, the motor drives the motor gear to drive the gear set to rotate, and then the push rod head reciprocates.

Further, the fitting portion is provided protruding from the housing.

Further, the putter head and the fitting portion may be detachably coupled.

Further, the assembly part is provided with an external thread, the push rod head is provided with an internal thread, and the push rod head is in threaded connection with the assembly part.

Further, the push rod head is any one of an eccentric push rod or a straight push rod.

Further, the gear train includes first gear, second gear, third gear and fourth gear, the motor gear with first gear meshing connection, first gear the second gear, third gear and fourth gear meshing connection in proper order, the fourth gear with rack structure meshing connection.

Further, the housing includes a base and a top cover, and the receiving space is formed between the base and the top cover.

Furthermore, the base and the top cover are both provided with mounting surfaces, and the mounting surfaces are used for being fixedly assembled on the refrigeration appliance.

Further, the motor also comprises a circuit board which is arranged in the accommodating space and is electrically connected with the motor.

Further, the shell, the motor gear, the gear set, the rack structure and the push rod head are all made of plastic.

In summary, compared with the prior art, the gear reducer with strong practicability provided by the utility model at least has the following technical effects:

1) according to the gear reducer with high practicability, the transmission torque is large, the motion stability of the push rod head is ensured, the durability of the gear reducer is improved, and the gear reducer has the characteristics of low energy consumption and low noise through a structural design mode of motor driving and gear set transmission;

2) the gear reducer with strong practicability provided by the utility model is an independent component through a modular structural design mode, can be used for multiple positions of different products, is flexible to install and simple and convenient to operate, and is convenient to disassemble and inspect and convenient to sell after.

3) The gear reducer with strong practicability, provided by the utility model, has the advantages that the motor can be used for running in the positive and negative directions, and the rotating speed and the amplified torque output by the motor can be reduced during the positive running, so that the effect that the motor with small torque can stably push the door body of a refrigerator is achieved; when the door body rotates reversely, the large-tooth-ratio gear set plays a role in traction when the push rod head returns to work, and the phenomenon that the door body moves too fast due to the fact that the push rod head is pushed back by the resilience force of the door hinge is avoided.

Drawings

FIG. 1 is a schematic view of the internal structure of a gear reducer of the present invention with high practicability;

FIG. 2 is a schematic structural view of a gear reducer of the present invention with high practicability;

FIG. 3 is another schematic view of the gear reducer of the present invention with high practicability;

FIG. 4 is a schematic view of the construction of the housing and putter head of the present invention;

FIG. 5 is another schematic view of the housing and putter head of the present invention;

wherein the reference numerals have the following meanings:

1. a housing; 2. a motor; 3. a motor gear; 4. a rack structure; 5. an assembling portion; 6. an eccentric push rod; 7. a straight push rod; 8. a circuit board; 9. a base; 10. a top cover; 11. a mounting surface; 12. A first gear; 13. a second gear; 14. a third gear; 15. a fourth gear.

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 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", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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 in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 to 5, a gear reducer with strong practicability according to an embodiment of the present invention includes:

the casing 1, be equipped with accommodation space in the casing 1.

And the motor 2 is arranged in the accommodating space, and the output end of the motor 2 is provided with a motor gear 3. The motor 2 is used as a motive power output of the gear reducer to rotate, and finally the horizontal reciprocating motion of the push rod head is realized. More specifically, the motor 2 may preferably be a 12V motor.

The gear set and the rack structure 4 are arranged in the accommodating space, and the gear set is respectively meshed with the motor gear 3 and the rack structure 4. The gear set is used for intermediate transmission, and the rotary motion of the motor 2 is converted into linear motion output force of the push rod head through the speed reduction and torque transmission increasing effects of the gear set.

In the technical scheme of this embodiment, the tip of rack structure 4 is equipped with assembly portion 5, assembly portion 5 is used for with putter head assembly connection, motor 2 is through the drive motor gear 3 drives the gear train rotates, and then drives putter head reciprocating motion. Particularly, through the structural design mode of motor 2 drive and gear train transmission, rotate the source power output of motor 2 and change into rack construction 4 and the linear motion output power of the putter head of tip erection joint through the speed reduction of gear train and increase the moment of torsion transmission effect finally, ensure that the transmission moment of torsion is big and guarantee the motion of putter head steady, improve this gear reducer's durability, and have the characteristics that the energy consumption is low, the noise is little. Furthermore, the gear reducer is arranged to be a modular independent component, can be used for multiple positions of different refrigeration appliance products, is flexible to mount and simple and convenient to operate, and is convenient to disassemble and inspect and after sale.

More specifically, the motor 2 can be used for forward and reverse operation, and the rotating speed and the amplified torque output by the motor 2 can be reduced during forward operation, so that the effect that the motor with small torque can stably push the door body of the refrigerator is achieved. When the motor 2 runs reversely, the large-tooth-ratio gear set plays a role in traction during the return stroke work of the push rod head, and the situation that the push rod head is pushed back by the resilience force of the door hinge to cause the door body to move too fast is prevented, so that the product quality of the refrigeration appliance is obviously improved.

Referring to fig. 1, in one embodiment of the present invention, the fitting part 5 is provided to protrude from the housing 1, thereby facilitating the fitting operation between the fitting part 5 and the putter head.

In a preferred embodiment of this embodiment, the putter head and the mounting portion 5 are detachably connected. In this preferred technical scheme, because putter head and assembly portion 5 can dismantle the connection, so through using removable putter head design, can correspond the change to the putter head of different lengths to satisfy user's different user demands. More specifically, each putter head may be fine tuned in length to within 5mm of amplitude to better match the refrigeration appliance product.

In a further solution of this embodiment, as shown in fig. 1, the fitting part 5 is provided with an external thread, the putter head is provided with an internal thread, and the putter head is threadedly connected to the fitting part 5. Wherein, through threaded connection's structural design mode, can show the dismouting convenience that improves between putter head and assembly portion 5.

Optionally, the push rod head is any one of an eccentric push rod 6 or a straight push rod 7. Specifically, referring to fig. 4, the putter head is an off-center putter 6; as shown in fig. 5, the pusher head is a straight pusher 7. Of course, the putter head of the present invention is not limited to an off-center putter 6 or a straight putter 7, and other types of putter heads are within the scope of this embodiment.

Referring to fig. 1, preferably, the gear set includes a first gear 12, a second gear 13, a third gear 14 and a fourth gear 15, the motor gear 3 is engaged with the first gear 12, the second gear 13, the third gear 14 and the fourth gear 15 are sequentially engaged, and the fourth gear 15 is engaged with the rack structure 4. In the preferred scheme, when the motor 2 is started, the output shaft thereof drives the motor gear 3 to rotate, and further drives the first gear 12, the second gear 13, the third gear 14 and the fourth gear 15 to rotate in sequence, and finally drives the rack structure 4 to horizontally reciprocate, so that the stable linear motion of the push rod head in the horizontal direction is realized.

Generally, horizontal smooth motion of the putter head is achieved by reducing the speed of the five gears and increasing the torque transmission.

Referring to fig. 3 to 5, in another embodiment of the present invention, the housing 1 includes a base 9 and a top cover 10, and the base 9 and the top cover 10 form the receiving space therebetween. Specifically, the accommodating space formed between the base 9 and the top cover 10 is used for arranging the motor 2, the motor gear 3, the gear set, the rack structure 4 and the like.

Referring to fig. 2, in a preferred embodiment of the present invention, the base 9 and the top cover 10 are both provided with mounting surfaces 11, and the mounting surfaces 11 are used for being fixedly mounted on a refrigeration appliance. In the preferred embodiment, because the base 9 and the top cover 10 are both provided with the mounting surfaces 11, the front and back surfaces of the shell 1 of the gear reducer can be mounted and fixed on the refrigeration appliance product. And the distance from the working center of the push rod in the height direction to the edge is inconvenient, so that the push rod can be flexibly used for installation operation at different positions on a product.

Referring to fig. 1, the gear reducer with strong practicability preferably further comprises a circuit board 8, wherein the circuit board 8 is arranged in the accommodating space and is electrically connected with the motor 2. The linear motion of the push rod head is realized by arranging an integrated circuit board 8 in the shell 1 of the gear reducer and controlling the operation logic of the motor 2 by the circuit board 8.

Further, the shell 1, the motor gear 3, the gear set, the rack structure 4 and the push rod head are all made of plastic. Specifically, the gear reducer structure is made of plastic, so that the manufacturing cost of each gear structure is greatly reduced compared with the manufacturing cost of a metal material, and the structure is lighter.

The gear reducer with strong practicability has the advantages that the transmission torque is large, the motion stability of the push rod head is ensured, the durability of the gear reducer is improved, and the gear reducer has the characteristics of low energy consumption and low noise through the structural design mode of driving of the motor 2 and transmission of the gear set. In addition, the gear reducer is an independent component through a modular structural design mode, can be used in multiple positions of different products, is flexible to install and simple and convenient to operate, and is convenient to disassemble and inspect and after-sale. In addition, the motor 2 provided by the utility model can be used for running in the positive and negative directions, and the rotating speed and the amplified torque output by the motor 2 can be reduced during the positive running, so that the effect that the motor 2 with small torque can stably push the door body of the refrigerator is achieved; when the door body rotates reversely, the large-tooth-ratio gear set plays a role in traction when the push rod head returns to work, and the phenomenon that the door body moves too fast due to the fact that the push rod head is pushed back by the resilience force of the door hinge is avoided.

The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims

1. A gear reducer that practicality is strong, its characterized in that includes:

2. A gear reducer with high practicability according to claim 1, characterized in that said fitting portion is provided protruding from said housing.

3. The gear reducer with strong practicability according to claim 2, wherein the push rod head and the assembling portion are detachably connected.

4. The gear reducer with high practicability according to claim 3, wherein the assembling portion is provided with external threads, the push rod head is provided with internal threads, and the push rod head is in threaded connection with the assembling portion.

5. The gear reducer with strong practicability according to claim 1, wherein the push rod head is any one of an eccentric push rod or a straight push rod.

6. The gear reducer with strong practicability according to claim 1, wherein the gear set comprises a first gear, a second gear, a third gear and a fourth gear, the motor gear is meshed with the first gear, the second gear, the third gear and the fourth gear are sequentially meshed and connected, and the fourth gear is meshed and connected with the rack structure.

7. The gear reducer with high practicability according to claim 1, wherein the housing comprises a base and a top cover, and the accommodating space is formed between the base and the top cover.

8. The gear reducer with high practicability according to claim 7, wherein the base and the top cover are both provided with mounting surfaces, and the mounting surfaces are used for being fixedly assembled on a refrigeration appliance.

9. The gear reducer with high practicability according to claim 1, further comprising a circuit board, wherein the circuit board is arranged in the accommodating space and electrically connected with the motor.

10. A gear reducer with high practicability according to any one of claims 1-9, characterized in that said housing, said motor gear, said gear set, said rack structure and said putter head are all plastic.