CN210728665U - A rotating base toy excavator - Google Patents

Abstract

The utility model discloses a rotary base type toy excavator, comprising a moving base, a base, a vehicle body arranged on the base, and an excavating arm connected to the vehicle body; the base is located above the moving base, and the base is The bottom is provided with a rotating shaft; the rotating shaft is arranged vertically, and the rotating shaft is rotatably installed on the moving base; the rotating base type toy excavator also includes a moving device and a rotating drive assembly; the moving device It is used to drive the moving base to move; the rotary drive assembly is used to drive the rotating shaft to rotate relative to the moving base, and includes a first power component and a transmission device; the first power component transmits rotational power to the rotating shaft through the transmission device. The utility model provides a rotary base type toy excavator, which can drive the base to rotate, so that the excavating arm can rotate relative to the movable base along with the base, and the digging direction can be adjusted to improve the fun; moreover, the movable base can also be improved. Movement stability.

Description

A rotating base toy excavator

technical field

The utility model relates to a rotary base type toy excavator.

Background technique

As one of the common toys on the market, toy excavators generally include a mobile base, a mobile device used to drive the mobile base to move, a base fixed on the mobile base, a car body set on the base, and a car body connected to the car body. Digging arm. However, in the existing toy excavator, since the base is fixed on the movable base, the excavating arm cannot rotate relative to the movable base, resulting in the inability to adjust the digging direction, thereby affecting the fun of the toy excavator and far from meeting the needs of the industry.

Utility model content

In order to overcome the deficiencies of the prior art, the purpose of the present utility model is to provide a rotary base type toy excavator, which is provided with a rotating shaft on the bottom of the base, and is rotatably installed on the movable seat by the rotating shaft, At the same time, a rotary drive assembly is matched, so that the base can be driven to rotate, so that the excavating arm can rotate relative to the movable base along with the base.

The purpose of this utility model adopts following technical scheme to realize:

A rotating base type toy excavator, comprising a moving base, a base, a vehicle body arranged on the base, and an excavating arm connected to the vehicle body; the base is located above the moving base, and a rotating The rotating shaft is arranged vertically, and the rotating shaft is rotatably installed on the moving base; the rotating base toy excavator also includes a moving device and a rotating drive assembly; the moving device is used to drive the moving base The rotary drive assembly is used to drive the rotating shaft to rotate relative to the moving base, and includes a first power component and a transmission device; the first power component transmits rotational power to the rotating shaft through the transmission device.

The first power component is a first drive motor, and the body of the first drive motor is fixed in the moving seat.

The transmission device includes a driving gear and a driven gear; the driving gear is fixed on the output shaft of the first driving motor, and the central axis of the driving gear coincides with the central axis of the output shaft of the first driving motor; the driven gear is The driven gear is fixed on the rotating shaft, and the central axis of the driven gear is coincident with the central axis of the rotating shaft; the drive gear meshes with the driven gear.

The driving gear and the driven gear are bevel gears.

The moving device includes a driving shaft rotatably installed on one end of the moving base, a driven shaft rotatably installed on the other end of the moving base, a rotating assembly for driving the driving shaft to rotate, and two parts of the moving base. Two track assemblies on the side; the track assemblies include a driving wheel fixed on the driving shaft, a driven wheel fixed on the driven shaft, and a crawler track wound around the driving wheel and the driven wheel.

The rotating assembly includes a driving pulley, a second power component for driving the driving pulley to rotate, a driven pulley fixed on the driving shaft, and a synchronous belt wound around the driving pulley and the driven pulley.

The second power component is a second drive motor, the driving pulley is fixed on the output shaft of the second drive motor, and the body of the second drive motor is fixed on the moving base.

Compared with the prior art, the beneficial effects of the present utility model are:

The utility model provides a rotary base type toy excavator, which is provided with a rotating shaft on the bottom of the base, and the rotating shaft is rotatably installed on the moving base, and is matched with a rotating driving component, so that it can drive The base rotates, so that the excavating arm can rotate relative to the movable base along with the base, so as to improve the fun; moreover, by reasonably arranging the moving device, the stability of the movement of the movable base can also be improved.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the internal schematic diagram of the mobile seat;

Among them, 10, movable seat; 11, installation part; 12, bearing; 20, base; 21, rotating shaft; 30, vehicle body; 40, excavation arm; 41, first connecting arm; 42, second connecting arm; 43 , bucket; 44, the first micro linear motor; 45, the second micro linear motor; 50, the mobile device; 51, the driving shaft; 52, the driven shaft; 60, the rotary drive assembly; 61, the first power component; 62 63, driving gear; 64, driven gear; 70, rotating assembly; 71, driving pulley; 72, second power component; 73, driven pulley; 74, timing belt; 75, guide wheel; 80, track assembly; 81, driving wheel; 82, driven wheel; 83, track.

Detailed ways

Hereinafter, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that, on the premise of no conflict, the embodiments or technical features described below can be combined arbitrarily to form new implementations. example.

As shown in Figures 1-2, a rotary base type toy excavator includes a moving base 10, a base 20, a vehicle body 30 arranged on the base 20, and an excavating arm 40 connected to the vehicle body 30; the base 20 is located above the movable base 10, and the bottom of the base 20 is provided with a rotating shaft 21; the rotating shaft 21 is arranged vertically, and the rotating shaft 21 is rotatably installed on the moving base 10; the rotating base type toy The excavator further includes a moving device 50 and a rotary drive assembly 60; the moving device 50 is used to drive the moving base 10 to move; the rotating drive assembly 60 is used to drive the rotating shaft 21 to rotate relative to the moving base 10, and includes a first power component 61 , and a transmission device 62 ; the first power component 61 transmits rotational power to the rotating shaft 21 through the transmission device 62 .

When in use, the moving base 10 can be driven to move by the moving device 50 , so that the base 20 , the vehicle body 30 and the excavating arm 40 can be driven to move, and the rotating drive assembly 60 can be used to work, and the first power component 61 can be used to move through the transmission device 62 . The rotating shaft 21 transmits rotational power to drive the rotating shaft 21 to rotate, thereby driving the base 20 to rotate, so that the digging arm 40 can rotate along with the base 20 , so that the digging direction can be adjusted to improve the fun.

Preferably, the first power component 61 is a first driving motor, and the body of the first driving motor is fixed in the moving base 10 . By using the first driving motor for the first power component 61, the installation can be facilitated and the cost can be reduced.

Preferably, the transmission device 62 includes a driving gear 63 and a driven gear 64; the driving gear 63 is fixed on the output shaft of the first driving motor, and the central axis of the driving gear 63 is connected to the output shaft of the first driving motor. The central axis of the driven gear 64 is fixed on the rotating shaft 21 , and the central axis of the driven gear 64 coincides with the central axis of the rotating shaft 21 ; the driving gear 63 meshes with the driven gear 64 . In use, the driving gear 63 is driven to rotate by the first driving motor, so that the driven gear 64 and the rotating shaft 21 can be driven to rotate by the driving gear 63 . Specifically, the driving gear 63 and the driven gear 64 are bevel gears. By using the combination of the driving gear 63 and the driven gear 64 in the transmission device 62, the rotating shaft 21 can be driven to rotate, and the positions of the rotating shaft 21 and the first driving motor can be conveniently arranged.

Preferably, the bottom of the moving base 10 is provided with an upwardly extending and cylindrical mounting portion 11 , the mounting portion 11 is provided with a mounting cavity, and the lower end of the rotating shaft 21 is mounted in the mounting cavity through the bearing 12 . In other words, the outer ring of the bearing 12 is fixed in the installation cavity, and the lower end of the rotating shaft 21 is inserted into the inner ring of the bearing 12 . And by adopting the above-mentioned method to realize that the rotating shaft 21 is rotatably mounted on the moving base 10 , the smoothness of the rotation of the rotating shaft 21 can be improved.

Preferably, the body of the first driving motor is fixed in the moving base 10 by a first locking screw. Specifically, the body of the first drive motor is provided with an adjustment groove extending in the horizontal direction, the moving base 10 is provided with a threaded hole, and the first locking screw is inserted into the adjustment groove and is connected with the threaded hole. Threaded connection. By adopting the above structure, the position of the first driving motor can be adjusted according to the size of the driving gear 63 , so that the installation requirements of the driving gear 63 of different sizes can be met.

Preferably, the moving device 50 includes a driving shaft 51 rotatably installed on one end of the moving base 10 , a driven shaft 52 rotatably installed on the other end of the moving base 10 , and a driving shaft 51 for driving the driving shaft 51 to rotate. The rotating assembly 70, two track assemblies 80 located on both sides of the movable base 10; the track assemblies 80 include a driving wheel 81 fixed on the driving shaft 51, a driven wheel 82 fixed on the driven shaft 52, and a winding Track 83 on driving wheel 81 and driven wheel 82 . When in use, the driving shaft 51 is driven to rotate by the rotating assembly 70 , thereby driving the driving wheel 81 of the crawler assembly 80 to rotate, so as to drive the crawler 83 to move through the driving wheel 81 , thereby driving the movable base 10 to move. By adopting the above structure for the moving device 50 , the stability of the movement of the moving base 10 can be improved.

Preferably, the rotating assembly 70 includes a driving pulley 71 , a second power component 72 for driving the driving pulley 71 to rotate, a driven pulley 73 fixed on the driving shaft 51 , and a driven pulley 73 wound around the driving pulley 71 and the timing belt 74 on the driven pulley 73 . When in use, the second power component 72 drives the driving pulley 71 to rotate, so that the driven pulley 73 and the driving shaft 51 can be driven to rotate through the synchronous belt 74 . Specifically, the second power component 72 is a second driving motor, the driving pulley 71 is fixed on the output shaft of the second driving motor, and the body of the second driving motor is fixed on the moving base 10 . By using the second driving motor for the second power component 72, the cost can be reduced and the installation is convenient.

Preferably, the track assembly 80 further includes a plurality of guide wheels 75 pivotally connected to the moving base 10 , and the track 83 is also wound around the plurality of guide wheels 75 .

In the actual design, the rotary base toy excavator is also equipped with a remote control, and the operation of the first driving motor and the second driving motor is controlled by the remote control, so that the movement of the rotary base toy excavator can be conveniently controlled. , and the excavation direction.

According to common knowledge, the vehicle body 30 is provided with a cab and a dozer.

Wherein, the excavating arm 40 in the rotating base type toy excavator can use any existing excavating arm in the market, for example, it may include a first connecting arm 41 hinged on the vehicle body 30 for driving the first connection The third drive motor for the rotation of the arm 41, the second link arm 42 hinged on the first link arm 41, the bucket 43 hinged on the second link arm 42, the first micro linear motor 44, and the second micro linear motor 45. The body of the first micro linear motor 44 is hinged on the first connecting arm 41, and the output shaft is hinged with the second connecting arm 42; the body of the second micro linear motor 45 is hinged on the second connecting arm 42, The output shaft is hinged to the bucket 43 . The operations of the third driving motor, the first micro linear motor 44 and the second micro linear motor 45 can all be controlled by a remote controller.

The above-mentioned embodiments are only the preferred embodiments of the present invention, and the scope of protection of the present invention cannot be limited by this. Any insubstantial changes and replacements made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. The scope of protection of the utility model.

Claims (7)

1. A rotary base type toy excavator, comprising a moving base (10), a base (20), a vehicle body (30) arranged on the base (20), and an excavating arm (30) connected to the vehicle body (30). 40); characterized in that: the base (20) is located above the movable seat (10), and a rotating shaft (21) is arranged on the bottom of the base (20); the rotating shaft (21) is vertically arranged, and The rotating shaft (21) is rotatably mounted on the moving base (10); the rotating base type toy excavator further comprises a moving device (50) and a rotary drive assembly (60); the moving device (50) is used for is used to drive the moving base (10) to move; the rotary drive assembly (60) is used to drive the rotating shaft (21) to rotate relative to the moving base (10), and includes a first power component (61) and a transmission device (62); The first power component (61) transmits rotational power to the rotating shaft (21) through a transmission device (62). 2. The rotary base toy excavator according to claim 1, characterized in that: the first power component (61) is a first drive motor, and the body of the first drive motor is fixed in the movable seat (10) . 3. The rotary base toy excavator according to claim 2, characterized in that: the transmission device (62) comprises a driving gear (63) and a driven gear (64); the driving gear (63) is fixed On the output shaft of the first driving motor, and the central axis of the driving gear (63) coincides with the central axis of the output shaft of the first driving motor; the driven gear (64) is fixed on the rotating shaft (21), and The central axis of the driven gear (64) coincides with the central axis of the rotating shaft (21); the driving gear (63) meshes with the driven gear (64). 4. The rotary base type toy excavator according to claim 3, wherein the driving gear (63) and the driven gear (64) are bevel gears. 5. The toy excavator on a rotating base according to claim 1, characterized in that: the moving device (50) comprises a driving shaft (51) rotatably mounted on one end of the moving base (10), rotatable A driven shaft (52) installed on the other end of the moving base (10), a rotating assembly (70) for driving the driving shaft (51) to rotate, and two track assemblies ( 80); the track assembly (80) comprises a driving wheel (81) fixed on the driving shaft (51), a driven wheel (82) fixed on the driven shaft (52), and a driving wheel (81) wound around the driving wheel (81) ) and tracks (83) on driven wheels (82). The toy excavator according to claim 5, characterized in that: the rotating assembly (70) comprises a driving pulley (71) and a second power component for driving the driving pulley (71) to rotate (72), a driven pulley (73) fixed on the driving shaft (51), and a timing belt (74) wound around the driving pulley (71) and the driven pulley (73). 7. The rotary base toy excavator according to claim 6, wherein the second power component (72) is a second driving motor, and the driving pulley (71) is fixed on the second driving motor. on the output shaft, and the body of the second driving motor is fixed on the moving seat (10).

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