Steering wheel with compact structure and chassis assembly

Abstract

The utility model discloses a steering wheel with a compact structure and a chassis assembly. The steering wheel comprises a supporting assembly, the rotating motor assembly is fixedly arranged on the supporting assembly in a penetrating manner and comprises a motor mechanism; the conical pinion is fixedly arranged on a rotating shaft of the motor mechanism; the connecting cavity is fixedly arranged on the motor mechanism; the transmission mechanism is vertically arranged in the connecting cavity and is in transmission connection with the conical pinion and the driving wheel assembly; the driving wheel assembly comprises a supporting frame which is movably arranged below the supporting assembly and is in transmission connection with the transmission mechanism. And two ends of the driving wheel mechanism are arranged on the support frame. According to the steering wheel, the rotating motor assembly and the driving wheel assembly which are high in integration level are adopted, so that the steering wheel is compact in overall structure, and the problem that an existing steering wheel is large in occupied space is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rudder wheel technical field, especially a compact structure's rudder wheel and chassis subassembly. BACKGROUND

[0002] The rudder wheel includes rotating mechanism and walking mechanism, and both of them include motor, driver and encoder, the motor, driver and encoder in the prior art are generally arranged separately, so that the structure of the rudder wheel is more complex and the space utilization is lower, the rudder wheel installation chassis subassembly needs larger rotary space, is not favorable to the miniaturization of chassis subassembly, so a compact structure's rudder wheel and chassis subassembly are provided to solve the above problems. SUMMARY

[0003] One of the purposes of the utility model is to provide a compact structure's rudder wheel and chassis subassembly to solve the problem of the large space occupied by the existing rudder wheel.

[0004] The compact structure's rudder wheel and chassis subassembly can be realized by the following technical solutions:

[0005] The compact structure's rudder wheel includes support assembly, rotating motor assembly is fixedly penetrated on the support assembly, and driving wheel assembly is movably arranged below the support assembly and is in transmission connection with the rotating motor assembly.

[0006] The rotating motor assembly includes motor mechanism, conical pinion is fixedly arranged on the rotating shaft of the motor mechanism, connecting cavity is fixedly arranged on the motor mechanism, the connecting cavity is L-shaped hollow cavity, the connecting cavity wraps the conical pinion, and transmission mechanism is vertically arranged in the connecting cavity and is in transmission connection with the conical pinion and the driving wheel assembly.

[0007] The driving wheel assembly includes support frame, the support frame is movably arranged below the support assembly and is in transmission connection with the transmission mechanism, and driving wheel mechanism is arranged at both ends of the support frame.

[0008] In one embodiment, the support assembly includes a fixed plate and a connecting flange, the connecting flange is fixedly arranged on the fixed plate, and the rotating motor assembly is fixedly penetrated on the fixed plate through the connecting flange.

[0009] In one embodiment, at least one limit switch is arranged on the fixed plate, and the limit switch is arranged opposite to the driving wheel mechanism.

[0010] In one embodiment, two limit switches are fixedly arranged opposite to each other on the fixed plate.

[0011] In one embodiment, the limit switch is an optical switch.

[0012] In one embodiment, the motor mechanism comprises a motor housing, which is a hollow cavity; a first stator assembly fixedly arranged in the motor housing; a first rotor assembly arranged in the motor housing and rotatably penetrating the first stator assembly; a rotating shaft in transmission connection with the first rotor assembly and penetrating the motor housing, the conical pinion gear being fixedly arranged on the rotating shaft and in transmission meshing connection with the transmission mechanism; a first driver fixedly arranged in the motor housing and in electrical connection with the first rotor assembly; and a first encoder arranged on the rotating shaft and in electrical connection with the first driver.

[0013] In one embodiment, the transmission mechanism comprises a transmission conical gear and a transmission shaft; the transmission conical gear is arranged vertically rotatably in the connecting cavity and in transmission meshing connection with the conical pinion gear; and the transmission shaft is in transmission connection with the transmission conical gear and the support frame at two ends thereof.

[0014] In one embodiment, a limit block is further fixedly arranged on the support frame.

[0015] In one embodiment, the driving wheel mechanism comprises a fixed shaft, both ends of which are fixedly arranged on the support frame; a wheel body arranged rotatably penetrating the fixed shaft; a second stator assembly fixedly arranged penetrating the fixed shaft and arranged in the wheel body; a second rotor assembly fixedly arranged in the wheel body and movably arranged penetrating the second stator assembly; a second driver fixedly arranged in the wheel body and in electrical connection with the second rotor assembly; and a second encoder fixedly arranged on the second rotor assembly and in electrical connection with the second driver.

[0016] The utility model discloses a compact structure's bottom disc assembly comprises the rudder wheel of any one of the above.

[0017] Compared with the prior art, the utility model discloses a compact structure's rudder wheel and bottom disc assembly have the beneficial effects that:

[0018] The utility model discloses a compact structure's rudder wheel and bottom disc assembly by integrating stator assembly, rotor assembly, driver and encoder into rotating motor mechanism and driving wheel mechanism respectively, so that the overall structure of the rudder wheel is compact and occupies less space, effectively solving the problem that the existing rudder wheel occupies a large space; at the same time, the rotating motor assembly and the driving wheel assembly are arranged in longitudinal connection, and are fixed through the fixing plate, which is more convenient to install the rudder wheel into the bottom disc assembly, and improves the assembly efficiency of the bottom disc assembly to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiments, it should be understood that the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.

[0020] Figure 1 It is a structural diagram of the compact rudder wheel of the utility model;

[0021] Figure 2 It is Figure 1 The utility model discloses a compact rudder wheel's explosion structure schematic diagram, rotating motor assembly and drive wheel mechanism are shown;

[0022] Figure 3 It is Figure 2 Rotating motor assembly's explosion structure schematic diagram, including motor mechanism are shown;

[0023] Figure 4 It is Figure 3 Motor mechanism's explosion structure schematic diagram is shown;

[0024] Figure 5 It is Figure 3 Drive wheel's cross section structure schematic diagram is shown;

[0025] Figure 6 It is a structural diagram of the compact chassis assembly of the utility model.

[0026] Indicated in the drawing: 10, rudder wheel;11, support assembly;111, fixed plate;112, connecting flange;113, limit switch;12, rotating motor assembly;121, motor mechanism;1211, motor shell;1212, first stator assembly;1213, first rotor assembly;1214, rotating shaft;1215, first driver;1216, first encoder;122, conical pinion;123, connecting cavity;124, transmission mechanism;1241, transmission conical gear;1242, transmission shaft;13, drive wheel assembly;131, support frame;132, drive wheel mechanism;1321, fixed shaft;1322, wheel body;1323, second stator assembly;1324, second rotor assembly;1325, second driver;1326, second encoder;133, limit block. DETAILED DESCRIPTION

[0027] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0029] Referring to Figure 1 and Figure 2 The utility model discloses a compact rudder wheel 10 mainly includes support assembly 11, rotating motor assembly 12 and drive wheel assembly 13, support assembly 11 is the support main body, it is fixedly arranged in chassis assembly, rotating motor assembly 12 is fixedly penetrated and arranged on support assembly 11, drive wheel assembly 13 is movably arranged below support assembly 11 and is transmissionally connected with rotating motor assembly 12, rotating motor assembly 12 drives drive wheel assembly 13 to carry out steering operation.

[0030] Referring to Figure 1 and Figure 2 Support assembly 11 includes fixed plate 111, connecting flange 112 and at least one limit switch 113, fixed plate 111 is fixedly arranged in chassis assembly, connecting flange 112 is fixedly arranged on fixed plate 111, rotating motor assembly 12 is fixedly penetrated and arranged on fixed plate 111 through connecting flange 112, at least one limit switch 113 is fixedly arranged on fixed plate 111 and is oppositely arranged with drive wheel assembly 13, and it carries out limit operation to the rotation angle of drive wheel assembly 13. In the embodiment, two limit switches 113 are oppositely fixedly arranged on fixed plate 111, specifically, limit switch 113 adopts photoelectric switch.

[0031] Referring to Figures 1-4As shown in the figure, in the embodiment, the rotating motor assembly 12 comprises a motor mechanism 121, a conical pinion 122, a connecting cavity 123 and a transmission mechanism 124; the motor mechanism 121 is a driving power body; the conical pinion 122 is fixedly arranged on the rotating shaft of the motor mechanism 121, and the motor mechanism 121 drives the conical pinion 122 to rotate; the connecting cavity 123 is a hollow cavity, which is in the shape of L, and the lateral end of the connecting cavity 123 is fixedly arranged on the side of the motor mechanism 121 and wraps the conical pinion 122; the transmission mechanism 124 is vertically arranged in the connecting cavity 123 and is in transmission connection with the conical pinion 122 and the driving wheel assembly 13 respectively, and the conical pinion 122 drives the transmission mechanism 124 to drive the driving wheel assembly 13 to perform the steering operation.

[0032] As shown in the figure, Figure 3 and Figure 4 As shown in the figure, in the embodiment, the motor mechanism 121 comprises a motor shell 1211, a first stator assembly 1212, a first rotor assembly 1213, a rotating shaft 1214, a first driver 1215 and a first encoder 1216; the motor shell 1211 is a hollow cavity; the first stator assembly 1212 is fixedly arranged in the motor shell 1211; the first rotor assembly 1213 is rotatably arranged in the motor shell 1211 and penetrates through the first stator assembly 1212; the rotating shaft 1214 is in transmission connection with the first rotor assembly 1213 and penetrates through the motor shell 1211, and the conical pinion 122 is fixedly arranged on the rotating shaft 1214 and in transmission engagement with the transmission mechanism 124; the first driver 1215 is fixedly arranged in the motor shell 1211 and is in electrical connection with the first rotor assembly 1213, which drives the first rotor assembly 1213 to rotate relative to the first stator assembly 1212; the first encoder 1216 is arranged on the rotating shaft 1214 and is in electrical connection with the first driver 1215, which rotates with the rotating shaft 1214. Specifically, the first stator assembly 1212 and the first rotor assembly 1213 both adopt the prior art, so their specific structures and working processes will not be described here, as long as they meet the application. In the embodiment, the transmission mechanism 124 comprises a transmission conical gear 1241 and a transmission shaft 1242; the transmission conical gear 1241 is rotatably vertically arranged in the connecting cavity 123 and is in transmission connection with the conical pinion 122, and the conical pinion 122 and the transmission conical gear 1241 constitute a speed reduction steering structure, which increases the output torque of the motor mechanism 121 through the cooperation of the two, and at the same time changes the lateral transmission force of the motor mechanism 121 into longitudinal transmission force; one end of the transmission shaft 1242 is in transmission connection with the transmission conical gear 1241, and the other end thereof is in transmission connection with the driving wheel assembly 13.

[0033] As shown in the figure, Figure 1 and Figure 2As shown in the drawings, in the embodiment, the driving wheel assembly 13 comprises a support frame 131, a driving wheel mechanism 132 and a limiting block 133; the support frame 131 is movably arranged below the fixed plate 111 and is in driving connection with the transmission mechanism 124, the transmission mechanism 124 drives the support frame 131 to perform steering operation; the driving wheel mechanism 132 is arranged at two ends of the support frame 131, and drives the rudder wheel 10 to perform walking operation; the limiting block 133 is fixedly arranged on the support frame 131, and mechanically limits the steering angle of the driving wheel assembly 13.

[0034] As shown in the drawings, Figure 1 、 Figure 2 and Figure 5 As shown in the drawings, in the embodiment, the driving wheel mechanism 132 comprises a fixed shaft 1321, a wheel body 1322, a second stator assembly 1323, a second rotor assembly 1324, a second driver 1325 and a second encoder 1326; the two ends of the fixed shaft 1321 are fixedly arranged on the support frame 131; the wheel body 1322 is rotatably arranged on the fixed shaft 1321, and can rotate relative to the fixed shaft 1321; the second stator assembly 1323 is fixedly arranged on the fixed shaft 1321 and arranged in the wheel body 1322; the second rotor assembly 1324 is fixedly arranged in the wheel body 1322 and movably arranged on the second stator assembly 1323; the second driver 1325 is fixedly arranged in the wheel body 1322 and electrically connected with the second rotor assembly 1324; the second encoder 1326 is fixedly arranged on the second rotor assembly 1324 and electrically connected with the second driver 1325, and rotates with the rotation of the second rotor assembly 1324. Specifically, the second stator assembly 1323 and the second rotor assembly 1324 both adopt the prior art, so their specific structures and working processes will not be described here, as long as they meet the application.

[0035] As shown in the drawings, Figure 6 The utility model discloses a compact structure's chassis assembly comprising the rudder wheel 10 of any one of the above.

[0036] It should be noted that the specific working process of the compact structure's rudder wheel and chassis assembly is as follows: the first stator assembly 1212, the first rotor assembly 1213, the first driver 1215 and the first encoder 1216 are integrally arranged in the motor housing 121, so that the occupied space of the rotating motor assembly 12 is small; at the same time, the second stator assembly 1323, the second rotor assembly 1324, the second driver 1325 and the second encoder 1326 are arranged in the wheel body 1322, so that the occupied space of the driving wheel assembly 13 is also small, thereby making the rudder wheel 10 occupy a smaller space of the chassis assembly; and the rotating motor assembly 12 drives the driving wheel assembly 13 to perform steering operation, so as to realize the steering and walking operation of the rudder wheel 10.

[0037] Each technical feature of the above-described embodiments can be combined with any other technical feature, and for the sake of brevity, not all possible combinations are described, but it is understood that the scope of the disclosure encompasses all such possible combinations.

[0038] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A compact steering wheel, characterized in that The utility model relates to a kind of steering wheels, including: Supporting assembly; Rotary motor assembly, fixedly arranged on the supporting assembly; Driving wheel assembly, movably arranged below the supporting assembly and drivingly connected with the rotary motor assembly; Wherein, the rotary motor assembly includes motor mechanism;Tapered pinion gear is fixedly arranged on motor mechanism rotating shaft;L-shaped hollow cavity is fixedly arranged on the motor mechanism, and the tapered pinion gear is wrapped in the connecting cavity;Transmission mechanism is vertically arranged in the connecting cavity and is drivingly connected with the tapered pinion gear and the driving wheel assembly respectively; Wherein, the driving wheel assembly includes support frame, which is movably arranged below the supporting assembly and drivingly connected with the transmission mechanism;Driving wheel mechanism is arranged at both ends of the support frame.

2. A compact steering wheel according to claim 1, characterized in that The supporting assembly includes a fixed plate and a connecting flange;The connecting flange is fixedly arranged on the fixed plate, and the rotary motor assembly is fixedly arranged on the fixed plate through the connecting flange.

3. A compact steering wheel according to claim 2, characterized in that At least one limit switch is arranged on the fixed plate, and the limit switch is arranged opposite to the driving wheel mechanism.

4. A compact steering wheel according to claim 3, characterized in that Two limit switches are fixedly arranged opposite to each other on the fixed plate.

5. A compact steering wheel according to claim 4, characterized in that The limit switch is an optical switch.

6. A compact steering wheel according to claim 1, characterized in that The motor mechanism includes a motor housing, which is a hollow cavity;First stator assembly is fixedly arranged in the motor housing; First rotor assembly is arranged in the motor housing and rotatably arranged in the first stator assembly;Rotating shaft is drivingly connected with the first rotor assembly and penetrates the motor housing, and the tapered pinion gear is fixedly arranged on the rotating shaft and drivingly engaged with the transmission mechanism;First driver is fixedly arranged in the motor housing and electrically connected with the first rotor assembly;First encoder is arranged on the rotating shaft and electrically connected with the first driver.

7. A compact steering wheel according to claim 6, characterized in that The transmission mechanism includes a transmission tapered gear and a transmission shaft;The transmission tapered gear is rotatably arranged in the connecting cavity and drivingly engaged with the tapered pinion gear;Both ends of the transmission shaft are drivingly connected with the transmission tapered gear and the support frame respectively.

8. A compact steering wheel according to claim 1, characterized in that A limit block is also fixedly arranged on the support frame.

9. A compact steering wheel according to claim 8, characterized in that The driving wheel mechanism includes a fixed shaft, both ends of which are fixedly arranged on the support frame;Wheel body is rotatably arranged on the fixed shaft;Second stator assembly is fixedly arranged on the fixed shaft and arranged in the wheel body;Second rotor assembly is movably arranged in the second stator assembly and arranged in the wheel body;Second driver is fixedly arranged in the wheel body and electrically connected with the second rotor assembly;Second encoder is fixedly arranged on the second rotor assembly and electrically connected with the second driver.

10. A compact chassis assembly, characterized by, The utility model relates to a kind of steering wheels, including: Supporting assembly; Rotary motor assembly, fixedly arranged on the supporting assembly; Driving wheel assembly, movably arranged below the supporting assembly and drivingly connected with the rotary motor assembly; Wherein, the rotary motor assembly includes motor mechanism;Tapered pinion gear is fixedly arranged on motor mechanism rotating shaft;L-shaped hollow cavity is fixedly arranged on the motor mechanism, and the tapered pinion gear is wrapped in the connecting cavity;Transmission mechanism is vertically arranged in the connecting cavity and is drivingly connected with the tapered pinion gear and the driving wheel assembly respectively; Wherein, the driving wheel assembly includes support frame, which is movably arranged below the supporting assembly and drivingly connected with the transmission mechanism;Driving wheel mechanism is arranged at both ends of the support frame. The supporting assembly includes a fixed plate and a connecting flange;The connecting flange is fixedly arranged on the fixed plate, and the rotary motor assembly is fixedly arranged on the fixed plate through the connecting flange. At least one limit switch is arranged on the fixed plate, and the limit switch is arranged opposite to the driving wheel mechanism. Two limit switches are fixedly arranged opposite to each other on the fixed plate. The limit switch is an optical switch. The motor mechanism includes a motor housing, which is a hollow cavity;First stator assembly is fixedly arranged in the motor housing; First rotor assembly is arranged in the motor housing and rotatably arranged in the first stator assembly;Rotating shaft is drivingly connected with the first rotor assembly and penetrates the motor housing, and the tapered pinion gear is fixedly arranged on the rotating shaft and drivingly engaged with the transmission mechanism;First driver is fixedly arranged in the motor housing and electrically connected with the first rotor assembly;First encoder is arranged on the rotating shaft and electrically connected with the first driver. The transmission mechanism includes a transmission tapered gear and a transmission shaft;The transmission tapered gear is rotatably arranged in the connecting cavity and drivingly engaged with the tapered pinion gear;Both ends of the transmission shaft are drivingly connected with the transmission tapered gear and the support frame respectively. A limit block is also fixedly arranged on the support frame. The driving wheel mechanism includes a fixed shaft, both ends of which are fixedly arranged on the support frame;Wheel body is rotatably arranged on the fixed shaft;Second stator assembly is fixedly arranged on the fixed shaft and arranged in the wheel body;Second rotor assembly is movably arranged in the second stator assembly and arranged in the wheel body;Second driver is fixedly arranged in the wheel body and electrically connected with the second rotor assembly;Second encoder is fixedly arranged on the second rotor assembly and electrically connected with the second driver. The utility model relates to a kind of steering wheels, including: Supporting assembly; Rotary motor assembly, fixedly arranged on the supporting assembly; Driving wheel assembly, movably arranged below the supporting assembly and drivingly connected with the rotary motor assembly; Wherein, the rotary motor assembly includes motor mechanism;Tapered pinion gear is fixedly arranged on motor mechanism rotating shaft;L-shaped hollow cavity is fixedly arranged on the motor mechanism, and the tapered pinion gear is wrapped in the connecting cavity;Transmission mechanism is vertically arranged in the connecting cavity and is drivingly connected with the tapered pinion gear and the driving wheel assembly respectively; Wherein, the driving wheel assembly includes support frame, which is movably arranged below the supporting assembly and drivingly connected with the transmission mechanism;Driving wheel mechanism is arranged at both ends of the support frame. The supporting assembly includes a fixed plate and a connecting flange;The connecting flange is fixedly arranged on the fixed plate, and the rotary motor assembly is fixedly arranged on the fixed plate through the connecting flange. At least one limit switch is arranged on the fixed plate, and the limit switch is arranged opposite to the driving wheel mechanism. Two limit switches are fixedly arranged opposite to each other on the fixed plate. The limit switch is an optical switch. The motor mechanism includes a motor housing, which is a hollow cavity;First stator assembly is fixedly arranged in the motor housing; First rotor assembly is arranged in the motor housing and rotatably arranged in the first stator assembly;Rotating shaft is drivingly connected with the first rotor assembly and penetrates the motor housing, and the tapered pinion gear is fixedly arranged on the rotating shaft and drivingly engaged with the transmission mechanism;First driver is fixedly arranged in the motor housing and electrically connected with the first rotor assembly;First encoder is arranged on the rotating shaft and electrically connected with the first driver. The transmission mechanism includes a transmission tapered gear and a transmission shaft;The transmission tapered gear is rotatably arranged in the connecting cavity and drivingly engaged with the tapered pinion gear;Both ends of the transmission shaft are drivingly connected with the transmission tapered gear and the support frame respectively. A limit block is also fixedly arranged on the support frame. The driving wheel mechanism includes a fixed shaft, both ends of which are fixedly arranged on the support frame;Wheel body is rotatably arranged on the fixed shaft;Second stator assembly is fixedly arranged on the fixed shaft and arranged in the wheel body;Second rotor assembly is movably arranged in the second stator assembly and arranged in the wheel body;Second driver is fixedly arranged in the wheel body and electrically connected with the second rotor assembly;Second encoder is fixedly arranged on the second rotor assembly and electrically connected with the second driver. The utility model relates to a kind of steering wheels, including: Supporting assembly; Rotary motor assembly, fixedly arranged on the supporting assembly; Driving wheel assembly, movably arranged below the supporting assembly and drivingly connected with the rotary motor assembly; Wherein, the rotary motor assembly includes motor mechanism;Tapered pinion gear is fixedly arranged on motor mechanism rotating shaft;L-shaped hollow cavity is fixedly arranged on the motor mechanism, and the tapered pinion gear is wrapped in the connecting cavity;Transmission mechanism is vertically arranged in the connecting cavity and is drivingly connected with the tapered pinion gear and the driving wheel assembly respectively; Wherein, the driving wheel assembly includes support frame, which is movably arranged below the supporting assembly and drivingly connected with the transmission mechanism;Driving wheel mechanism is arranged at both ends of the support frame. The supporting assembly includes a fixed plate and a connecting flange;The connecting flange is fixedly arranged on the fixed plate, and the rotary motor assembly is fixedly arranged on the fixed plate through the connecting flange. At least one limit switch is arranged on the fixed plate, and the limit switch is arranged opposite to the driving wheel mechanism. Two limit switches are fixedly arranged opposite to each other on the fixed plate. The limit switch is an optical switch. The motor mechanism includes a motor housing, which is a hollow cavity;First stator assembly is fixedly arranged in the motor housing; First rotor assembly is arranged in the motor housing and rotatably arranged in the first stator assembly

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