CN212998373U

CN212998373U - Toy small train motor gear assembly

Info

Publication number: CN212998373U
Application number: CN202021198264.XU
Authority: CN
Inventors: 王芸
Original assignee: Hangzhou Huatao Plastic Co ltd
Current assignee: Hangzhou Huatao Plastic Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-04-20
Anticipated expiration: 2030-06-24

Abstract

The utility model relates to a toy little train motor gear subassembly, in order to solve the motor and the gear train calculation of disconnect-type joint among the prior art and the problem that the design is complicated, the installation is inconvenient, the structure is not compact, it is: a motor gear assembly of a toy small train comprises a shell, a motor and a gear set; the gear set comprises a first gear, a second gear, a third gear, a fourth gear and a fifth gear which are connected in sequence; the first gear is fixed on a transmission shaft of the motor; the second gear comprises a second upper gear and a second lower gear; the second lower gear is in meshed transmission connection with the first gear; the second upper gear is in transmission connection with the second lower gear shaft; the third gear comprises a third upper gear and a third lower gear; the third upper gear is in meshed transmission connection with the second upper gear; the third lower gear is in transmission connection with the third upper gear shaft. The utility model discloses avoided complicated gear train design, convenient to use, compact structure, the matching degree is high, is difficult not hard up.

Description

Toy small train motor gear assembly

Technical Field

The utility model relates to a gear assembly, concretely relates to toy small train motor gear assembly.

Background

The motor and the gear set in the existing toy small train are generally clamped in a separating way, and all gears in the motor and the gear set are respectively arranged in the body of the toy small train; however, because the output powers of the motors are different, different models of toy trains need different gear sets to be matched, so that the calculation and design of the train body mould opening, gear set scaling data, output torque force and the like of each toy train have great workload.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design is reasonable, compact structure, degree of matching height, subassembly not hard up, convenient to use's toy little train motor gear subassembly.

The utility model provides a technical scheme that above-mentioned problem adopted is: the motor gear assembly of the toy small train comprises a shell, a motor and a gear assembly, wherein the motor is arranged on the shell; the gear set comprises a first gear, a second gear, a third gear, a fourth gear and a fifth gear which are connected in sequence; the first gear is fixed on a transmission shaft of the motor; the second gear comprises a second upper gear and a second lower gear; the second lower gear is in meshed transmission connection with the first gear; the second upper gear is in transmission connection with the second lower gear shaft; the third gear comprises a third upper gear and a third lower gear; the third upper gear is in meshed transmission connection with the second upper gear; the third lower gear is in transmission connection with a third upper gear shaft; the fourth gear comprises a fourth upper gear and a fourth lower gear; the fourth upper gear is in meshed transmission connection with the third lower gear; the fourth lower gear is in transmission connection with a fourth upper gear shaft; and the fifth gear is in meshed transmission connection with the fourth lower gear.

Preferably, in the utility model discloses in the diameter of No. two lower gears is greater than the diameter of No. one gear.

Preferably, in the utility model discloses in the diameter of No. three last gears is greater than the diameter of No. two last gears.

Preferably, in the present invention, the gear set is a reduction gear set.

Preferably, the housing of the present invention comprises an upper housing and a lower housing connected by a snap fit.

Preferably, the utility model discloses in be equipped with the motor mount pad that is used for installing the motor on the casing and be used for installing the gear train mount pad of gear train.

Preferably, the shell of the utility model is also provided with a connecting groove for mounting the wheel axle of the toy small train; the connecting groove is in clearance fit connection with the wheel axle of the toy small train.

Preferably, the motor of the present invention is provided with a pole steel sheet. The motor is added with pole steel sheets to ensure the requirements of climbing and rail friction.

Compared with the prior art, the utility model, have following advantage and effect: the utility model can be applied to various toy trains with different models, does not need to carry out complex gear set design aiming at the toy trains with different models, and is convenient to use; the utility model integrates the motor and the gear set into one component, so that the structure is more compact, the matching degree is high, and the looseness is not easy to occur; the design of the connecting groove in the utility model can lead the wheel axle of the toy small train to move in the connecting groove to a certain degree, thereby avoiding the toy small train from being blocked on the slope surface; through a plurality of tests, the motor gear assembly of the utility model can meet the requirement that the toy car with the mass of 50 g-500 g moves 5 meters per minute (namely the rotating speed is 80-100 turns).

Drawings

Figure 1 is a schematic structural view of a motor gear assembly of a toy small train according to an embodiment of the present invention.

In the figure: the motor comprises a shell 1, a motor 2, a first gear 3, a second gear 4, a third gear 5, a fourth gear 6, a fifth gear 7, a connecting groove 8, a second upper gear 41, a second lower gear 42, a third upper gear 51, a third lower gear 52, a fourth upper gear 61 and a fourth lower gear 62.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

Referring to fig. 1, the motor gear assembly of the toy mini-train in the present embodiment includes a housing 1, a motor 2, and a gear set; the motor 2 is arranged on the shell 1; the gear set comprises a first gear 3, a second gear 4, a third gear 5, a fourth gear 6 and a fifth gear 7 which are connected in sequence; the first gear 3 is fixed on a transmission shaft of the motor 2; the second gear 4 comprises a second upper gear 41 and a second lower gear 42; the second lower gear 42 is in meshed transmission connection with the first gear 3; the second upper gear 41 is in shaft transmission connection with the second lower gear 42; the third gear 5 comprises a third upper gear 51 and a third lower gear 52; the third upper gear 51 is in meshed transmission connection with the second upper gear 41; the third lower gear 52 is in shaft transmission connection with the third upper gear 51; the fourth gear 6 comprises a fourth upper gear 61 and a fourth lower gear 62; the fourth upper gear 61 is in meshed transmission connection with the third lower gear 52; the fourth lower gear 62 is in shaft transmission connection with the fourth upper gear 61; the fifth gear 7 is in meshed transmission connection with the fourth lower gear 62.

The diameter of the second lower gear 42 in the embodiment is larger than that of the first gear 3; the diameter of the third upper gear 51 is larger than that of the second upper gear 41; the gear set is a reduction gear set.

The shell 1 in the embodiment comprises an upper shell and a lower shell which are connected in a buckling manner; a motor mounting seat for mounting the motor 2 and a gear set mounting seat for mounting the gear set are arranged on the shell 1; the shell 1 is also provided with a connecting groove 8 for mounting a wheel axle of a toy small train; the connecting groove 8 is in clearance fit connection with the wheel axle of the toy small train.

The embodiment can be suitable for various toy trains of different models, does not need to carry out complex gear set design aiming at the toy trains of different models, and is convenient to use; the motor 2 and the gear set are integrated into one component, so that the structure is more compact, the matching degree is high, and the looseness is not easy to occur; the design of the connecting groove 8 can ensure that the wheel axle of the toy small train moves in the connecting groove 8 to a certain degree, thereby avoiding the toy small train from being clamped on the slope surface; after a plurality of tests, the motor-gear assembly in the embodiment can meet the requirement that the toy car with the mass of 50 g-500 g moves 5 meters per minute (namely the rotating speed is 80-100 revolutions).

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. 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

1. A toy small train motor gear assembly comprises a shell (1) and a motor (2), wherein the motor (2) is installed on the shell (1); it is characterized by also comprising a gear set; the gear set comprises a first gear (3), a second gear (4), a third gear (5), a fourth gear (6) and a fifth gear (7) which are connected in sequence; the first gear (3) is fixed on a transmission shaft of the motor (2); the second gear (4) comprises a second upper gear (41) and a second lower gear (42); the second lower gear (42) is in meshed transmission connection with the first gear (3); the second upper gear (41) is in shaft transmission connection with the second lower gear (42); the third gear (5) comprises a third upper gear (51) and a third lower gear (52); the third upper gear (51) is in meshed transmission connection with the second upper gear (41); the third lower gear (52) is in shaft transmission connection with the third upper gear (51); the fourth gear (6) comprises a fourth upper gear (61) and a fourth lower gear (62); the fourth upper gear (61) is in meshed transmission connection with the third lower gear (52); the fourth lower gear (62) is in shaft transmission connection with the fourth upper gear (61); the fifth gear (7) is in meshed transmission connection with the fourth lower gear (62).

2. The toy train motor gear assembly according to claim 1, wherein the diameter of the second lower gear (42) is larger than the diameter of the first gear (3).

3. The toy train motor gear assembly according to claim 1, wherein the diameter of the third upper gear (51) is larger than the diameter of the second upper gear (41).

4. The toy train motor gear assembly of claim 1, wherein the gear set is a reduction gear set.

5. The toy train motor gear assembly according to claim 1, wherein the housing (1) comprises snap-fit upper and lower housings.

6. The toy train motor gear assembly according to claim 1, wherein the housing (1) is provided with a motor mount for mounting the motor (2) and a gear set mount for mounting the gear set.

7. The toy trainset motor gear assembly according to claim 1, wherein the housing (1) is further provided with a connecting groove (8) for mounting a wheel axle of the toy trainset; the connecting groove (8) is in clearance fit connection with the wheel axle of the toy small train.