CN216112029U

CN216112029U - Face gear and gear box comprising same

Info

Publication number: CN216112029U
Application number: CN202121278378.XU
Authority: CN
Inventors: 杜相甫; 程磊焱
Original assignee: Jiaxing Yawei Electromechanical Technology Co ltd
Current assignee: Jiaxing Newstar Motor Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-03-22
Anticipated expiration: 2031-06-08

Abstract

The utility model relates to an end face gear and a gear box comprising the same, wherein the gear is vertically arranged in the middle of a base; the center of the gear is provided with a shaft hole; the shaft hole penetrates through the gear and the base; a mounting gear which is circumferentially distributed is formed between the base and the gear; the end face gear transmission mechanism is simple in structure, convenient, practical and ingenious in design, the end face gear is arranged, the driving motor in the gear box can horizontally move in the gear box body, cylindrical teeth on the driving motor and the mounting gear on the end face gear are meshed with each other to achieve the movement of the gear box, the end face gear transmission mechanism has the advantages of light weight, small vibration, low noise, high bearing capacity and the like, and the end face gear transmission mechanism can obviously reduce the weight of the end face gear, reduce the vibration and the noise, reduce the volume and prolong the service life of the gear box.

Description

Face gear and gear box comprising same

Technical Field

The utility model belongs to the technical field of baby carriage accessories, and particularly relates to an end face gear and a gear box comprising the same.

Background

The face gear is a gear which is meshed with a straight gear or a helical gear at an angle of 90 degrees in a crossed shaft mode, is mainly applied to industries such as helicopters, fishing line wheels, clocks and watches, bicycles and the like, has heavy load and stable transmission characteristics, and has wider application space.

In the wheel of the baby carriage in the prior art, the gear box is an important component in the baby carriage, the face gear is a connecting part of the gear box, and the conventional face gear is unreasonable in structure, low in structural strength and high in manufacturing cost, so that great waste is caused. And, in the conventional bassinet gear box, driving motor is the laminating in the gear box casing, driving motor end connection toper tooth, make face gear also be the bevel gear like this, the assembly requirement of toper tooth and bevel gear is very high, the assembly has the deviation slightly, influence the drive efficiency of whole gear box, increase the wearing and tearing between the toper tooth, the noise production, influence life, if adopt conventional gear box, driving motor is installed perpendicularly in the gear box casing, driving motor end connection cylindric tooth, the bevel gear is also the cylindric tooth, the conveyer belt that mutually supports between cylindric tooth and the cylindric tooth transmits, but this kind of structure gear box volume is great, comparatively take up an area of, it is pleasing to the eye and lack to the eye and in the practical to have some, and is with high costs. And the traditional driving mode is deficient in the braking mode of the baby carriage.

In view of the above problems, it is necessary to improve them.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides the face gear which is simple in structure, reasonable in design and good in overall firmness and the gear box comprising the face gear.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: the end face gear comprises a base, and the middle part of the base is vertically distributed on a gear; the center of the gear is provided with a shaft hole; the shaft hole penetrates through the gear and the base; and a mounting gear which is circumferentially distributed is formed between the base and the gear.

As a preferable scheme of the present invention, the base is fixedly connected with the gear and integrally formed.

As a preferable scheme of the present invention, a connecting plate is fixedly arranged at the bottom of the gear, the connecting plate is fixedly arranged on the base, and an outer end face of the connecting plate and an outer end face of the gear are on the same vertical plane.

In a preferred embodiment of the present invention, the mounting gear is located at the outer end of the top of the base, and a space is left between the mounting gear and the gear.

In a preferred embodiment of the present invention, an inclined surface is formed on an outer circumferential surface of the base.

As a preferred scheme of the utility model, a plurality of reinforcing ribs are distributed between the mounting gear and the gear, and the reinforcing ribs are fixedly arranged on the base.

As a preferable scheme of the present invention, the mounting gear includes a plurality of tooth roots, and a tooth slot is formed between adjacent tooth roots; one end of the reinforcing rib is abutted against the tooth root, and the other end of the reinforcing rib is abutted against the connecting plate and corresponds to the large tooth groove of the gear.

In a preferred embodiment of the present invention, the outer diameter of the gear is 1/2 of the outer diameter of the base.

In a preferable mode of the utility model, the outer diameter of the mounting gear is 1/4-1/8 of the outer diameter of the base.

A gear box comprises a gear box body, wherein the gear box body comprises an upper gear fixing cover and a lower gear fixing cover, an accommodating cavity is formed between the upper gear fixing cover and the lower gear fixing cover, and a gear transmission mechanism is assembled in the accommodating cavity; a limiting groove is formed outside the gear fixing upper cover, a driving motor is assembled in the limiting groove, the driving motor is transversely assembled in the limiting groove, a driving shaft of the driving motor penetrates through the gear fixing upper cover to be connected with cylindrical teeth, and the cylindrical teeth are connected with a gear transmission mechanism; the gear transmission mechanism comprises an end face gear, a first gear, a second gear and a third gear; a first connecting shaft, a second connecting shaft and a third connecting shaft are arranged in the gear fixing upper cover; the end face gear is movably sleeved on the first connecting shaft, and the first gear is movably sleeved on the second connecting shaft; the second gear is movably sleeved on the third connecting shaft; wherein, the mounting gear is meshed with the cylindrical gear; the first gear comprises a first bull gear and a first pinion gear; the second gear comprises a second gearwheel and a second pinion; the gear is meshed with the first gearwheel, the first pinion is meshed with the second gearwheel, and the second pinion is meshed with the third gear.

The utility model has the beneficial effects that:

1. the end face gear transmission mechanism is simple in structure, convenient, practical and ingenious in design, the end face gear is arranged, the driving motor in the gear box can horizontally move in the gear box body, cylindrical teeth on the driving motor and the mounting gear on the end face gear are meshed with each other to achieve the movement of the gear box, the end face gear transmission mechanism has the advantages of light weight, small vibration, low noise, high bearing capacity and the like, and the end face gear transmission mechanism can obviously reduce the weight of the end face gear, reduce the vibration and the noise, reduce the volume and prolong the service life of the gear box.

2. The base is fixedly connected with the gear and integrally formed; by adopting the technical scheme, the structural strength and the integral firmness of the whole face gear are improved, and the use safety is further ensured.

3. The mounting gears are positioned at the outer end part of the top of the base, the mounting gears are arranged at equal intervals, in the using process, the mounting gears are meshed with cylindrical teeth on the driving motor, and the two ends of the mounting gears are stressed in balance and are more stable;

4. the inclined plane is formed on the outer side of the base in the circumferential direction, so that the weight of the face gear is reduced, meanwhile, the face gear is prevented from being contacted with the inside of the gearbox body in the rotating process, and the rotating flexibility and safety are guaranteed;

5. according to the utility model, the plurality of reinforcing ribs are arranged between the mounting gear and the gear, so that the integral firmness of the whole face gear is improved, and the stress is more balanced in the process of connecting the mounting gear and the gear.

6. The gear box arranged in the utility model adopts multi-stage speed change gears, so that the baby carriage can stably transmit gears, has accurate transmission ratio, high working reliability, wide range of used peripheral speed and power, high transmission efficiency, large transmission torque and long service life under the condition that the driving motor adopts high power, and can realize transmission among parallel shafts, intersecting shafts with any angle and intersecting shafts with any angle.

7. The gear transmission mechanism is arranged in the gearbox body, and the driving motor is transversely assembled in the limiting groove, so that the whole assembled gearbox is attractive in appearance, practical and convenient; the cost is not high.

Drawings

FIG. 1 is a top view of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a state diagram for use of an embodiment of the present invention;

FIG. 4 is a schematic view (one) of a gearbox configuration according to an embodiment of the present invention;

FIG. 5 is a schematic view (two) of the gearbox configuration of an embodiment of the present invention;

FIG. 6 is a view of the internal structure of a gearbox according to an embodiment of the present invention;

FIG. 7 is an exploded view of a gearbox according to an embodiment of the present invention;

reference numbers in the figures: the gear fixing device comprises a base 1, a gear 2, a shaft hole 3, a mounting gear 4, an inclined plane 5, a reinforcing rib 6, a connecting plate 7, a large tooth groove 8, a face gear 9, a gear transmission mechanism 10, a first gear 12, a first large gear 12-1, a first small gear 12-2, a second gear 13, a second large gear 13-1, a second small gear 13-2, a third gear 14, a gear box body 20, a gear fixing upper cover 21, a first connecting shaft 22, a second connecting shaft 23, a third connecting shaft 24, a driving shaft 25, a limiting groove 27, a gear fixing lower cover 29, an accommodating cavity 30, a driving motor 31 and cylindrical teeth 50.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in fig. 1-3, the face gear provided in this embodiment includes a base 1, and a gear 2 is vertically disposed in the middle of the base 1; the center of the gear 2 is provided with a shaft hole 3; the shaft hole 3 penetrates through the gear 2 and the base 1; a mounting gear 4 which is circumferentially distributed is formed between the base 1 and the gear 2; the end face gear transmission mechanism is simple in structure, convenient, practical and ingenious in design, the end face gear is arranged, the driving motor in the gear box can horizontally move in the gear box body, cylindrical teeth on the driving motor and the mounting gear on the end face gear are meshed with each other to achieve the movement of the gear box, the end face gear transmission mechanism has the advantages of light weight, small vibration, low noise, high bearing capacity and the like, and the end face gear transmission mechanism can obviously reduce the weight of the end face gear, reduce the vibration and the noise, reduce the volume and prolong the service life of the gear box.

Wherein, the base 1 is fixedly connected with the gear 2 and integrally formed; by adopting the technical scheme, the structural strength and the integral firmness of the whole face gear are improved, and the use safety is further ensured.

The installation gear 4 is located the outer tip in the top of base 1, and leaves the interval between installation gear 4 and the gear 2, and in the use, the cylindrical teeth intermeshing on installation gear and the driving motor, the both ends of installation gear can the atress balance, and is more steady.

An inclined surface 5 is formed on the outer circumference of the base 1; make face gear's weight reduction, simultaneously, also avoided face gear to rotate the in-process with the inside touching of gear box, guaranteed pivoted flexibility and security.

A plurality of reinforcing ribs 6 are arranged between the mounting gear 4 and the gear 2, and the reinforcing ribs 6 are fixedly arranged on the base 1; the bottom of the gear 2 is fixedly provided with a connecting plate 7, the connecting plate 7 is fixedly arranged on the base 1, and the outer end face of the connecting plate 7 and the outer end face of the gear 2 are on the same vertical plane; specifically, the mounting gear 4 comprises a plurality of tooth roots 40, and tooth grooves 41 are formed between adjacent tooth roots 40; one end of the reinforcing rib 6 abuts against the tooth root 40, and the other end of the reinforcing rib 6 abuts against the connecting plate 7 and corresponds to the position of the large tooth groove 8 of the gear 2; according to the utility model, the plurality of reinforcing ribs are arranged between the mounting gear and the gear, so that the integral firmness of the whole face gear is improved, and the stress is more balanced in the process of connecting the mounting gear and the gear.

The outer diameter of the gear 2 is 1/2 of the outer diameter of the base 1, the outer diameter of the mounting gear 4 is 1/4-1/8 of the outer diameter of the base 1, and in the embodiment, the outer diameter of the mounting gear 4 is 1/6 of the outer diameter of the base 1; by adopting the technical scheme, the design of the whole face gear is more reasonable, the rotation flexibility is better, and the structural strength is good.

As shown in fig. 4-7, a gearbox includes a gearbox housing 20, the gearbox housing 20 includes a gear fixing upper cover 21 and a gear fixing lower cover 29, and of course, an external connection end is also provided on the gearbox housing 20 to realize external connection and fixation of the gearbox; an accommodating cavity 30 is formed between the gear fixing upper cover 21 and the gear fixing lower cover 29, and the gear transmission mechanism 10 is assembled in the accommodating cavity 30; a limiting groove 27 is formed outside the gear fixing upper cover 21, and a driving motor 31 is assembled in the limiting groove 27, wherein the driving motor 31 is transversely assembled in the limiting groove 27, so that the whole gear box is small in size, and a motor wire of the driving motor 31 is externally connected through a wiring groove; specifically, the upper end surface of the driving motor 31 and the upper end surface of the limit groove 27 are on the same horizontal plane.

A driving shaft 25 of the driving motor 31 passes through the gear fixing upper cover 21 to be connected with the cylindrical teeth 50, and the cylindrical teeth 50 are connected with the gear transmission mechanism 10; the utility model has simple structure, convenience and practicability, ingenious design, stable gear transmission, accurate transmission ratio, high working reliability, wide used peripheral speed and power range, high transmission efficiency, large transmission torque and long service life under the condition that the driving motor adopts high power as the gear box adopts the multi-stage speed change gear, and can realize the transmission among parallel shafts, intersecting shafts with any angle and intersecting shafts with any angle.

Specifically, the gear fixing upper cover 21 and the gear fixing lower cover 29 are detachably connected; the gear fixing upper cover 21 and the gear fixing lower cover 29 are fastened by bolts; when easy dismounting, also convenient maintenance.

The gearbox has the advantages of smaller volume, light weight and the like, is convenient to install, and can reduce noise; the gear box can be suitable for tires with various specifications and is internally provided with a drive.

The gear transmission mechanism 10 comprises a face gear 9, a first gear 12, a second gear 13 and a third gear 14; a first connecting shaft 22, a second connecting shaft 23 and a third connecting shaft 24 are arranged in the gear fixing upper cover 21; the end face gear 9 is movably sleeved on the first connecting shaft 22, and the first gear 12 is movably sleeved on the second connecting shaft 23; the second gear 13 is movably sleeved on the third connecting shaft 24; wherein, the mounting gear 4 is meshed with the cylindrical teeth 50; the first gear 12 comprises a first bull gear 12-1 and a first pinion gear 12-2; the second gear 13 comprises a second large gear 13-1 and a second small gear 13-2; the gear 2 is meshed with a first gearwheel 12-1, the first pinion 12-2 is meshed with a second gearwheel 13-1, and the second pinion 13-2 is meshed with a third gear 14; the utility model is movably sleeved on the first connecting shaft through the end face gear 9, and the first gear is movably sleeved on the second connecting shaft; the second gear is movably sleeved on the third connecting shaft; in this embodiment, through setting up face gear 9, installation gear 4 meshes with cylindrical tooth 50 mutually, and its heavy load, steady transmission characteristic has more extensive application space, has reduced the dead weight, and the variable speed is merrily and lightheartedly, has practiced thrift gear box exterior space, satisfies the production demand.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the gear fixing device comprises a base 1, a gear 2, a shaft hole 3, a mounting gear 4, an inclined surface 5, a reinforcing rib 6, a connecting plate 7, a large tooth groove 8, an end face gear 9, a gear transmission mechanism 10, a first gear 12, a first large gear 12-1, a first small gear 12-2, a second gear 13, a second large gear 13-1, a second small gear 13-2, a third gear 14, a gear box body 20, a gear fixing upper cover 21, a first connecting shaft 22, a second connecting shaft 23, a third connecting shaft 24, a driving shaft 25, a limiting groove 27, a gear fixing lower cover 29, an accommodating cavity 30, a driving motor 31, cylindrical teeth 50 and other terms, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. Face gear, its characterized in that: comprises a base (1), wherein a gear (2) is vertically arranged in the middle of the base (1); the center of the gear (2) is provided with a shaft hole (3); the shaft hole (3) penetrates through the gear (2) and the base (1); and a mounting gear (4) which is circumferentially distributed is formed between the base (1) and the gear (2).

2. The face gear of claim 1, wherein: the base (1) is fixedly connected with the gear (2) and is integrally formed.

3. The face gear of claim 2, wherein: the bottom of the gear (2) is fixedly provided with a connecting plate (7), the connecting plate (7) is fixedly arranged on the base (1), and the outer end face of the connecting plate (7) and the outer end face of the gear (2) are on the same vertical plane.

4. The face gear of claim 3, wherein: the mounting gear (4) is positioned at the outer end part of the top of the base (1), and a space is reserved between the mounting gear (4) and the gear (2).

5. The face gear of claim 4, wherein: an inclined surface (5) is formed on the outer circumference of the base (1).

6. The face gear of claim 5, wherein: a plurality of reinforcing ribs (6) are arranged between the mounting gear (4) and the gear (2), and the reinforcing ribs (6) are fixedly arranged on the base (1).

7. The face gear of claim 6, wherein: the mounting gear (4) comprises a plurality of tooth roots (40), and tooth grooves (41) are formed between adjacent tooth roots (40); one end of the reinforcing rib (6) abuts against the tooth root (40), and the other end of the reinforcing rib (6) abuts against the connecting plate (7) and corresponds to the position of the large tooth groove (8) of the gear (2).

8. The face gear of claim 7, wherein: the outer diameter of the gear (2) is 1/2 of the outer diameter of the base (1).

9. The face gear of claim 8, wherein: the outer diameter of the mounting gear (4) is 1/4-1/8 of the outer diameter of the base (1).

10. A gearbox, characterized by: the gearbox comprises a gearbox body (20), wherein the gearbox body (20) comprises a gear fixing upper cover (21) and a gear fixing lower cover (29), an accommodating cavity (30) is formed between the gear fixing upper cover (21) and the gear fixing lower cover (29), and a gear transmission mechanism (10) is assembled in the accommodating cavity (30); a limiting groove (27) is formed outside the gear fixing upper cover (21), a driving motor (31) is assembled in the limiting groove (27), wherein the driving motor (31) is transversely assembled in the limiting groove (27), a driving shaft (25) of the driving motor (31) penetrates through the gear fixing upper cover (21) to be connected with the cylindrical teeth (50), and the cylindrical teeth (50) are connected with the gear transmission mechanism (10); the gear transmission mechanism (10) comprises a face gear (9), a first gear (12), a second gear (13) and a third gear (14); a first connecting shaft (22), a second connecting shaft (23) and a third connecting shaft (24) are arranged in the gear fixing upper cover (21); the end face gear (9) is movably sleeved on the first connecting shaft (22), and the first gear (12) is movably sleeved on the second connecting shaft (23); the second gear (13) is movably sleeved on the third connecting shaft (24); the face gear (9) is the face gear of any one of claims 1 to 9; wherein the mounting gear (4) is meshed with the cylindrical teeth (50); the first gear (12) comprises a first gearwheel (12-1) and a first pinion (12-2); the second gear (13) comprises a second big gear (13-1) and a second small gear (13-2); the gear (2) is meshed with a first big gear (12-1), a first small gear (12-2) is meshed with a second big gear (13-1), and a second small gear (13-2) is meshed with a third gear (14).