Water valve actuator assembly of new energy automobile

Abstract

The utility model relates to a water valve actuator assembly of a new energy automobile, which belongs to the technical field of water valves and comprises a shell, a motor and a gear train, the motor and the gear train are arranged in the shell, the shell comprises a first shell and a second shell which are symmetrically fixed, the shell surface of the first shell is parallel to the shell surface of the second shell, and the shell surface of the first shell is parallel to the shell surface of the second shell. The motor is fixedly arranged in the shell, and an output shaft of the motor is parallel to the shell surfaces of the first shell and the second shell; the gear train is a four-stage reduction gear set and comprises an input small gear, a first wheel shaft, a first reduction gear, a second wheel shaft, a second reduction gear, a third wheel shaft, a third reduction gear and an output large gear, and the input small gear, the first reduction gear, the second reduction gear, the third reduction gear and the output large gear are all plastic parts. The utility model has the advantages of lighter weight and lower operation noise.

Description

TECHNICAL FIELD

[0001] The utility model relates to a water valve, especially relate to a new energy automobile's water valve actuator assembly. BACKGROUND

[0002] The cooling system of new energy automobile guarantees the power performance, economy and service life of parts in each stage of vehicle starting, warming, driving and stopping. The water valve opening degree adjustment in the cooling system is generally completed through the electric actuator. The internal gear set of the electric actuator used in the water valve opening degree adjustment is made of metal material, and the metal gear set is not only relatively heavy, but also has large noise during transmission. SUMMARY

[0003] The utility model aims at providing a new energy automobile's water valve actuator assembly lighter in weight and lower in noise.

[0004] To this end, the utility model adopts the following technical scheme:

[0005] A water valve actuator assembly of new energy automobile, the actuator assembly includes the shell and the motor and the gear train arranged in the shell, the shell includes the first casing and the second casing fixed symmetrically, the shell surface of the first casing and the shell surface of the second casing are parallel to each other, the motor is fixed in the shell, and the output shaft is parallel to the shell surface of the first casing and the second casing; the gear train is a four-stage reduction gear set, including an input pinion, a first axle, a first reduction gear, a second axle, a second reduction gear, a third axle, a third reduction gear and an output gear, wherein:

[0006] The input pinion, the first reduction gear, the second reduction gear, the third reduction gear and the output gear are all plastic parts; the output shaft, the first axle, the second axle and the third axle are all metal parts;

[0007] The input pinion is fixed on the output shaft in a sleeved manner;

[0008] The first axle and the output shaft are cross arranged, and the two ends thereof are rotatably arranged on the first casing and the second casing respectively;

[0009] The first reduction gear is fixed on the first axle in a sleeved manner, and the first reduction gear includes a first reduction gear and a first transmission pinion fixed coaxially as a whole, and the first reduction gear engages with the input pinion;

[0010] The second axle is parallel to the first axle, and the two ends thereof are rotatably arranged on the first casing and the second casing respectively;

[0011] The second reduction gear is fixed on the second axle in a sleeved manner, and the second reduction gear includes a second reduction gear and a second transmission pinion fixed coaxially as a whole, and the second reduction gear engages with the first transmission pinion;

[0012] The third wheel shaft is parallel to the second wheel shaft and is rotatably arranged at the two ends of the first shell and the second shell;

[0013] The third reduction gear is sleeved and fixed on the third wheel shaft, and the third reduction gear comprises a third reduction gear wheel and a third transmission pinion fixed coaxially as a whole, and the third reduction gear wheel is engaged with the second transmission pinion;

[0014] The output gear is engaged with the third transmission pinion, and a pipe shaft is arranged axially at the center of one side of the wheel surface of the output gear, and the pipe shaft is rotatably arranged in a bearing pipe arranged on the shell surface of the first shell or the second shell and partially exposed outside the bearing pipe.

[0015] As a preferred solution, the bearing pipe is vertically arranged through the outer wall of the shell surface of the first shell or the second shell.

[0016] As a preferred solution, a dustproof sealing ring is fixedly arranged in the bearing pipe, and the pipe shaft is rotatably sleeved in the dustproof sealing ring.

[0017] As a preferred solution, a spline groove for connecting a water valve is arranged around the pipe wall of the pipe shaft.

[0018] As a preferred solution, the two ends of the first wheel shaft, the second wheel shaft and the third wheel shaft are rotatably arranged in the shaft hole columns arranged correspondingly on the inner walls of the first shell and the second shell.

[0019] As a preferred solution, the first shell and the second shell are fixedly connected to each other by screws.

[0020] As a preferred solution, the outer surface of the first shell or the second shell is provided with a plug-in pipe, and a wiring terminal is vertically fixed at the bottom of the plug-in pipe and electrically connected to the motor.

[0021] All the gears of the utility model are plastic gears, compared with the traditional electric actuators using metal gear sets, the utility model is lighter in weight and lower in running noise. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is the overall structure external view of the utility model embodiment

[0023] Fig. 2 It is the overall structure explosion drawing of the utility model embodiment

[0024] Fig. 3 It is the motor and gear train connection structure schematic view of the utility model embodiment DETAILED DESCRIPTION

[0025] The utility model will be described below in combination with the drawings and specific embodiments.

[0026] AsFigs. 1-3 The application discloses a water valve actuator assembly of a new energy vehicle.

[0027] The housing 10 comprises a first shell 11 and a second shell 12 which are fixed symmetrically and are fixed and connected to each other by screws, and the shell surfaces of the two shells are parallel to each other.

[0028] The motor 20 is fixed in the housing 10 and the output shaft 21 thereof is parallel to the shell surfaces of the first shell 11 and the second shell 12. The outer surface of the second shell 12 is provided with an electric plug pipe 14, the bottom of the electric plug pipe 14 is vertically fixed with a wiring terminal 15, and the wiring terminal 15 is electrically connected with the motor 20. Of course, the electric plug pipe 14 can also be arranged on the outer surface of the first shell 11.

[0029] The gear train 30 is a four-stage reduction gear set, comprising an input pinion 31, a first wheel shaft 32, a first reduction gear 33, a second wheel shaft 34, a second reduction gear 35, a third wheel shaft 36, a third reduction gear 37 and an output gear 38.

[0030] The input pinion 31 is fixedly sleeved on the output shaft 21;

[0031] The first wheel shaft 32 is crosswise arranged with the output shaft 21 and the two ends thereof are rotatably arranged on the first shell 11 and the second shell 12 respectively;

[0032] The first reduction gear 33 is fixedly sleeved on the first wheel shaft 32, the first reduction gear 33 comprises a first reduction gear 33.1 and a first transmission pinion 33.2 which are coaxially fixed as a whole, and the first reduction gear 33.1 is engaged with the input pinion 31;

[0033] The second wheel shaft 34 is arranged in parallel with the first wheel shaft 32 and the two ends thereof are rotatably arranged on the first shell 11 and the second shell 12 respectively;

[0034] The second reduction gear 35 is fixedly sleeved on the second wheel shaft 34, the second reduction gear 35 comprises a second reduction gear 35.1 and a second transmission pinion 35.2 which are coaxially fixed as a whole, and the second reduction gear 35.1 is engaged with the first transmission pinion 33.2;

[0035] The third wheel shaft 36 is arranged in parallel with the second wheel shaft 34 and the two ends thereof are rotatably arranged on the first shell 11 and the second shell 12 respectively;

[0036] The third reduction gear 37 is fixedly sleeved on the third wheel shaft 36, the third reduction gear 37 comprises a third reduction gear 37.1 and a third transmission pinion 37.2 which are coaxially fixed as a whole, and the third reduction gear 37.1 is engaged with the second transmission pinion 35.2;

[0037] The output gear 38 meshes with the third transmission pinion 37.2, and an axial pipe shaft 38.1 is arranged at the center of one side of the output gear 38. The pipe shaft 38.1 is rotatably arranged in a bearing pipe 13 arranged on the shell surface of the first shell 11 or the second shell 12 and partially exposed outside the bearing pipe 13. The bearing pipe 13 is vertically arranged through the outer wall of the shell surface of the first shell 11 or the second shell 12. A dustproof sealing ring 39 is fixedly arranged in the bearing pipe 13, and the pipe shaft 38.1 is rotatably sleeved in the dustproof sealing ring 39. In addition, a spline groove 38.11 for connecting a water valve is arranged on the pipe wall of the pipe shaft 38.1.

[0038] In order to reduce the weight and operation noise of the gear train 30, the input pinion 31, the first reduction gear 33, the second reduction gear 35, the third reduction gear 37 and the output gear 38 are all plastic parts. In order to ensure durability and reliability, the output shaft 21, the first axle 32, the second axle 34 and the third axle 36 are all metal parts.

[0039] The first axle 32, the second axle 34 and the third axle 36 are rotatably arranged in the corresponding shaft hole columns arranged on the inner walls of the first shell 11 and the second shell 12. In order to further reduce the operation noise, ball bearings can be arranged in all the shaft hole columns, so that the two ends of the first axle 32, the second axle 34 and the third axle 36 are arranged on the ball bearings.

Claims

1. A water valve actuator assembly of a new energy vehicle, the actuator assembly comprising a housing (10) and a motor (20) and a gear train (30) arranged inside the housing (10), the housing (10) comprising a first housing (11) and a second housing (12) fixed symmetrically to each other, the shell surface of the first housing (11) and the shell surface of the second housing (12) being parallel to each other, the motor (20) being fixedly arranged in the housing (10) and the output shaft (21) of the motor (20) being parallel to the shell surface of the first housing (11) and the shell surface of the second housing (12); characterized in that: The gear train (30) is a four-stage reduction gear set, comprising an input pinion (31), a first axle (32), a first reduction gear (33), a second axle (34), a second reduction gear (35), a third axle (36), a third reduction gear (37), and an output gear (38), wherein: The input pinion (31), the first reduction gear (33), the second reduction gear (35), the third reduction gear (37), and the output gear (38) are all plastic parts; the output shaft (21), the first axle (32), the second axle (34), and the third axle (36) are all metal parts; The input pinion (31) is fixedly sleeved on the output shaft (21); The first axle (32) is crosswise arranged with the output shaft (21) and rotatably arranged at the two ends thereof on the first housing (11) and the second housing (12) respectively; The first reduction gear (33) is fixedly sleeved on the first axle (32), and the first reduction gear (33) comprises a first reduction gear (33.1) and a first transmission pinion (33.2) fixed coaxially as a whole, and the first reduction gear (33.1) is engaged with the input pinion (31); The second axle (34) is arranged in parallel with the first axle (32) and rotatably arranged at the two ends thereof on the first housing (11) and the second housing (12) respectively; The second reduction gear (35) is fixedly sleeved on the second axle (34), and the second reduction gear (35) comprises a second reduction gear (35.1) and a second transmission pinion (35.2) fixed coaxially as a whole, and the second reduction gear (35.1) is engaged with the first transmission pinion (33.2); The third axle (36) is arranged in parallel with the second axle (34) and rotatably arranged at the two ends thereof on the first housing (11) and the second housing (12) respectively; The third reduction gear (37) is fixedly sleeved on the third axle (36), and the third reduction gear (37) comprises a third reduction gear (37.1) and a third transmission pinion (37.2) fixed coaxially as a whole, and the third reduction gear (37.1) is engaged with the second transmission pinion (35.2); The output gear (38) is engaged with the third transmission pinion (37.2), and a pipe shaft (38.1) is arranged axially in the center of one side of the output gear (38), and the pipe shaft (38.1) is rotatably arranged in a bearing pipe (13) arranged on the surface of the first housing (11) or the second housing (12) and partially exposed outside the bearing pipe (13).

2. The water valve actuator assembly of claim 1, wherein: The bearing pipe (13) is vertically arranged on the surface of the first housing (11) or the second housing (12) and penetrates the surface.

3. The water valve actuator assembly of claim 2, wherein: A dustproof sealing ring (39) is fixedly arranged in the bearing pipe (13), and the pipe shaft (38.1) is rotatably sleeved in the dustproof sealing ring (39).

4. The water valve actuator assembly of any one of claims 1-3, wherein: A spline groove (38.11) for connecting a water valve is arranged on the pipe wall of the pipe shaft (38.1).

5. The water valve actuator assembly of claim 1, wherein: The two ends of the first axle (32), the second axle (34), and the third axle (36) are rotatably arranged in the axle hole columns arranged on the inner walls of the first housing (11) and the second housing (12) respectively.

6. The water valve actuator assembly of claim 1, wherein: The first shell (11) and the second shell (12) are fixedly connected with each other by screws.

7. The water valve actuator assembly of claim 1, wherein: The outer surface of the first shell (11) or the second shell (12) is provided with a plug-in pipe (14), and the plug-in pipe (14) is vertically fixed with a terminal (15) at the bottom, and the terminal (15) is electrically connected with the motor (20).

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