Low-noise shockproof automobile warm air motor
By setting up a sealing ring and a buckle plate structure at the connection between the output shaft of the automobile air heater and the motor housing and the end cover components, the vibration and displacement of the internal parts of the motor is solved, and the stable connection and sealing performance of the motor is achieved, and the service life is extended.
Patent Information
- Application Number
- CN202521231003.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-16
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2035-06-16
AI Technical Summary
During use, the motor housing and end cover are not connected to the motor, which causes large vibrations in the internal parts, which affects the service life of the motor.
By providing the first and second sealing rings at the connection between the output shaft and the motor housing and the end cover component, the fixing structure of the hanging buckle and the clamping plate and the plug-in plate is combined to ensure the connection is stable, prevent external impurities from entering and reducing vibration.
It achieves good sealing performance of the motor, reduces vibration, avoids displacement of internal parts, and extends the service life of the motor.
Smart Images

Figure CN223194511U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motors, in particular to a low-noise and shock-proof automobile heater motor. Background Art
[0002] A car heater motor is a motor that regulates the temperature inside a car. It is mainly composed of a housing, a rotor inside the housing, a stator, and an impeller connected to the rotor.
[0003] However, when the motor is in use, after the motor housing and end cover are fixed to the automotive accessories, the connection between the motor housing and the end cover is not stable and reliable enough, which can easily cause the internal components of the motor to vibrate and shift during operation, causing damage to the internal components and affecting the service life of the motor.
[0004] Therefore, it is necessary to provide a low-noise and shock-proof automobile heater motor to solve the above technical problems. Utility Model Content
[0005] The purpose of the utility model is to provide a low-noise and shock-proof automobile heater motor to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a low-noise and vibration-proof automobile heater motor, comprising a motor housing, a mounting cavity is opened in the middle of the side wall of the motor housing, an armature component is rotatably arranged in the middle of the mounting cavity, a stator component is arranged on the outside of the armature component, and the stator component is fixedly clamped on the inner wall of the mounting cavity, the armature component comprises an output shaft, one end of the output shaft passes through the mounting cavity and extends to the outside of the motor housing, a first sealing ring is provided at the connection between the output shaft and the motor housing, a card plate is clamped in the mounting cavity of the motor housing, an end cover component is provided on the side wall of the motor housing, a second sealing ring is provided at the connection between the inner side wall of the end cover component and the output shaft, a plug-in board is plugged into the card plate, a brush spring is provided on the side wall of the plug-in board, an integrated electrical module is provided inside the end cover component, the output end of the integrated electrical module is provided with a connecting wire, and the end of the connecting wire is provided with a connecting socket.
[0007] As an optimal technical solution of the present invention, a first clamping ring is clamped between the middle of the outer circumference of the first sealing ring and the inner wall of the installation cavity, and a second clamping ring is provided between the outer circumference of the second sealing ring and the inner wall of the end cover component.
[0008] As an optimal technical solution of the present invention, a first limiting clamping ring is clamped between the inner wall of the installation cavity and the first sealing ring, and the side wall of the first limiting clamping ring is tightly fitted with the side wall of the first clamping ring. A second limiting clamping ring is clamped between the inner wall of the end cover component and the second sealing ring, and the side wall of the second limiting clamping ring is tightly fitted with the side wall of the second clamping ring.
[0009] As a preferred technical solution of the present utility model, two annular grooves are provided on the outer circumferential surface of the output shaft, and the two annular grooves are respectively located on both sides of the first sealing ring. The first clamping retaining ring and the second clamping retaining ring are respectively clamped in the two annular grooves. A first graphite flat gasket is provided between the first clamping retaining ring and the first sealing ring, and the first graphite flat gasket is sleeved on the output shaft, and a second graphite flat gasket is provided between the second clamping retaining ring and the first sealing ring, and the second graphite flat gasket is sleeved on the output shaft.
[0010] As an optimal technical solution of the present utility model, a hanging buckle is provided in the motor housing, the top of the hanging buckle passes through the motor housing and extends to the outside thereof, the side wall of the end cover component is threadedly connected with a screw assembly, the threaded portion of the screw assembly passes through the end cover component and the clamping plate in sequence and is screwed into the side wall of the hanging buckle, a spring washer is provided between the screw assembly and the end cover component, and the spring washer is sleeved on the screw assembly.
[0011] As an optimal technical solution of the present invention, the side wall of the card plate is flush with the side wall of the motor housing, a through hole is opened in the middle of the card plate for the end of the power pivot component to pass through, the end cover component is pressed against the side wall of the card plate to limit and fix it, and a through hole is opened in the middle of the side wall of the end cover component for the output shaft to pass through.
[0012] As a preferred technical solution of the present invention, the first sealing ring is sleeved on the output shaft, and the side wall of the first sealing ring is tightly fitted with the inner wall of the installation cavity.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] The utility model discloses a low-noise and shockproof automobile heater motor. The utility model inserts a power plug into a connecting socket. After the armature component is energized, the rotor of the armature component drives the output shaft to rotate, thereby ensuring the normal function of the motor. The heater motor is fixed in a suitable position by a hanging buckle. A first sealing ring and a second sealing ring are provided at the connection between the output shaft and the motor housing and the end cover component. The connection between the two is completely sealed by the first sealing ring and the second sealing ring to prevent external liquid and other impurities from entering the heater motor and causing corrosion and short-circuit damage to internal components. The sealing performance is good. The end cover component is fixedly connected to the end cover component by a card plate and a plug-in plate, so that the lower end of the end cover component is firmly fixed to the card plate. The connection is firm and reliable. The lower end of the end cover component is not directly connected and fixed to the motor housing, which plays a role in noise reduction and shockproofing, reduces vibration of the motor during use, avoids vibration and displacement of internal components of the motor housing and malfunctions, thereby extending the service life of the motor. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0016] Figure 1 It is a cross-sectional view of the overall structure of the utility model;
[0017] Figure 2 It is a right side view of the overall structure of the utility model;
[0018] Figure 3 It is the P-direction view of the present invention.
[0019] In the figure: 1. motor housing; 101. mounting cavity; 2. end cover component; 3. screw assembly; 4. spring washer; 5. hanging buckle; 6. stator component; 7. armature component; 71. output shaft; 8. first clamping retaining ring; 9. first graphite flat washer; 10. second graphite flat washer; 11. second clamping retaining ring; 12. first sealing ring; 13. first clamping ring; 14. first limit clamping ring; 15. brush spring; 16. connecting wire; 17. connecting socket; 18. second sealing ring; 19. second clamping ring; 20. second limit clamping ring; 21. card board; 22. plug-in board. DETAILED DESCRIPTION
[0020] The following describes the embodiments of the present invention with reference to the accompanying drawings. In the process, to ensure clarity and convenience of the description, we may exaggerate the width of the lines or the size of the components in the drawings.
[0021] In addition, the following terms are defined based on the functions of the present invention and may vary depending on the intention or custom of the user or operator. Therefore, these terms are defined based on the entire content of this specification.
[0022] like Figures 1 to 3 As shown, a low-noise and shock-proof automobile heater motor includes a motor housing 1, a mounting cavity 101 is opened in the middle of the side wall of the motor housing 1, an armature component 7 is rotatably arranged in the middle of the mounting cavity 101, a stator component 6 is arranged outside the armature component 7, and the stator component 6 is fixedly connected to the inner wall of the mounting cavity 101, the armature component 7 includes an output shaft 71, one end of the output shaft 71 passes through the mounting cavity 101 and extends to the outside of the motor housing 1, and a connection is provided at the connection between the output shaft 71 and the motor housing 1. The first sealing ring 12 is sleeved on the output shaft 71, and a first clamping ring 13 is clamped between the outer circumference of the first sealing ring 12 and the inner wall of the installation cavity 101. The first sealing ring 12 is fixed by the first clamping ring 13, and a first limiting clamping ring 14 is clamped between the inner wall of the installation cavity 101 and the first sealing ring 12. The side wall of the first limiting clamping ring 14 is tightly fitted with the side wall of the first clamping ring 13, and the first clamping ring 13 is pressed against the side wall of the installation cavity 101 by the first limiting clamping ring 14.
[0023] like Figure 1 As shown, two annular grooves are provided on the outer circumference of the output shaft 71, and the two annular grooves are respectively located on both sides of the first sealing ring 12. The first clamping retaining ring 8 and the second clamping retaining ring 11 are respectively clamped in the two annular grooves. A first graphite flat gasket 9 is provided between the first clamping retaining ring 8 and the first sealing ring 12. The first graphite flat gasket 9 is sleeved on the output shaft 71, and a second graphite flat gasket 10 is provided between the second clamping retaining ring 11 and the first sealing ring 12. The second graphite flat gasket 10 is provided between the second clamping retaining ring 11 and the first sealing ring 12. 0 is sleeved on the output shaft 71, and the first sealing ring 12 is further limited and fixed by the first clamping retaining ring 8, the first graphite flat washer 9, the second graphite flat washer 10 and the second clamping retaining ring 11. The side wall of the first sealing ring 12 is tightly fitted with the side wall of the installation cavity 101. The first sealing ring 12 is used to seal the connection between the output shaft 71 and the motor housing 1 to prevent external liquids and other impurities from entering the heater motor and causing corrosion and short-circuit damage to internal components. The sealing performance is good, and the service life of the heater motor is effectively extended.
[0024] like Figure 1 As shown, a card plate 21 is clamped in the mounting cavity 101 of the motor housing 1, and the side wall of the card plate 21 is flush with the side wall of the motor housing 1. A through hole is provided in the middle of the card plate 21 for the end of the power armature component 7 to pass through. The side wall of the motor housing 1 is provided with an end cover component 2, and the end cover component 2 is pressed against the side wall of the card plate 21 to limit and fix it. A through hole is provided in the middle of the side wall of the end cover component 2 for the output shaft 71 to pass through. A second sealing ring 18 and a second clamping ring 19 are provided at the connection between the inner side wall of the end cover component 2 and the output shaft 71. Through the second The clamping ring 19 presses and fixes the second sealing ring 18 on the inner wall of the end cover component 2. A second limiting clamping ring 20 is clamped between the inner wall of the end cover component 2 and the second sealing ring 18. The side wall of the second limiting clamping ring 20 fits tightly with the side wall of the second clamping ring 19. The second limiting clamping ring 20 presses the second clamping ring 19 on the inner wall of the end cover component 2. The second sealing ring 18 seals the connection between the output shaft 71 and the end cover component 2 to prevent external liquids and other impurities from entering the heater motor and causing corrosion and short-circuit damage to internal components. The sealing performance is good.
[0025] like Figure 2 and Figure 3As shown, a hanging buckle 5 is provided in the motor housing 1, and the top of the hanging buckle 5 extends through the motor housing 1 to its outside, and the side wall of the end cover component 2 is threadedly connected with a screw assembly 3, and the threaded portion of the screw assembly 3 sequentially passes through the end cover component 2 and the clamping plate 21 and is screwed into the side wall of the hanging buckle 5, thereby fixing the hanging buckle 5, and a spring washer 4 is provided between the screw assembly 3 and the end cover component 2, and the spring washer 4 is sleeved on the screw assembly 3, and a plug-in board 22 is plugged into the clamping plate 21, and a brush spring 15 is provided on the side wall of the plug-in board 22, and an integrated electrical module is provided inside the end cover component 2, and a connecting wire 16 is provided at the output end of the integrated electrical module, and a connecting socket 17 is provided at the end of the connecting wire 16, which is connected to an external power plug for power supply through the connecting socket 17.
[0026] The specific implementation method is as follows: by inserting the power plug into the connecting socket 17, after the armature component 7 is energized, the output shaft 71 is driven to rotate by the rotor of the armature component 7 to ensure the normal function of the motor, and the heater motor is fixed in a suitable position by the hanging buckle 5. By arranging the first sealing ring 12 and the second sealing ring 18 at the connection between the output shaft 71 and the motor housing 1 and the end cover component 2, the connection between the two is completely sealed by the first sealing ring 12 and the second sealing ring 18 to prevent external liquids and other impurities from entering the heater motor and causing corrosion and short-circuit damage to internal components, with good sealing performance. The end cover component 2 is fixedly connected to the end cover component 2 through the card plate 21 and the plug-in plate 22, so that the lower end of the end cover component 2 is firmly fixed on the card plate 21, and the connection is firm and reliable. The lower end of the end cover component 2 is not directly connected and fixed to the motor housing 1, which plays a role in noise reduction and shockproofing, so that the motor reduces vibration during use, avoids vibration and displacement of internal components of the motor housing 1 and malfunctions, thereby extending the service life of the motor.
[0027] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A low-noise and shock-proof automobile heater motor, comprising a motor housing (1), wherein a mounting cavity (101) is provided in the middle of a side wall of the motor housing (1), and characterized in that: An armature component (7) is rotatably arranged in the middle of the mounting cavity (101), a stator component (6) is arranged outside the armature component (7), and the stator component (6) is fixedly clamped on the inner wall of the mounting cavity (101). The armature component (7) includes an output shaft (71), one end of which passes through the mounting cavity (101) and extends to the outside of the motor housing (1). A first sealing ring (12) is provided at the connection between the output shaft (71) and the motor housing (1). The mounting cavity (101) of the motor housing (1) A card plate (21) is clamped inside, an end cover component (2) is provided on the side wall of the motor housing (1), a second sealing ring (18) is provided at the connection between the inner side wall of the end cover component (2) and the output shaft (71), a plug-in board (22) is plugged into the card plate (21), a brush spring (15) is provided on the side wall of the plug-in board (22), an integrated electrical module is provided inside the end cover component (2), a connecting wire (16) is provided at the output end of the integrated electrical module, and a connecting socket (17) is provided at the end of the connecting wire (16).
2. The low-noise and shock-proof automobile heater motor according to claim 1, characterized in that: A first clamping ring (13) is clamped between the middle of the outer circumferential surface of the first sealing ring (12) and the inner wall of the installation cavity (101), and a second clamping ring (19) is provided between the outer circumferential surface of the second sealing ring (18) and the inner wall of the end cover component (2).
3. The low-noise and shock-proof automobile heater motor according to claim 1, characterized in that: A first limiting snap ring (14) is clamped between the inner wall of the installation cavity (101) and the first sealing ring (12), and the side wall of the first limiting snap ring (14) is tightly fitted with the side wall of the first clamping ring (13). A second limiting snap ring (20) is clamped between the inner wall of the end cover component (2) and the second sealing ring (18), and the side wall of the second limiting snap ring (20) is tightly fitted with the side wall of the second clamping ring (19).
4. The low-noise and shock-proof automobile heater motor according to claim 1, characterized in that: Two annular grooves are provided on the outer circumference of the output shaft (71), and the two annular grooves are respectively located on both sides of the first sealing ring (12). A first clamping retaining ring (8) and a second clamping retaining ring (11) are respectively clamped in the two annular grooves. A first graphite flat gasket (9) is provided between the first clamping retaining ring (8) and the first sealing ring (12), and the first graphite flat gasket (9) is sleeved on the output shaft (71). A second graphite flat gasket (10) is provided between the second clamping retaining ring (11) and the first sealing ring (12), and the second graphite flat gasket (10) is sleeved on the output shaft (71).
5. The low-noise and shock-proof automobile heater motor according to claim 1, characterized in that: A hanging buckle (5) is provided in the motor housing (1), the top of the hanging buckle (5) passes through the motor housing (1) and extends to the outside thereof, the side wall of the end cover component (2) is threadedly connected with a screw assembly (3), the threaded portion of the screw assembly (3) passes through the end cover component (2) and the clamping plate (21) in sequence and is screwed into the side wall of the hanging buckle (5), a spring washer (4) is provided between the screw assembly (3) and the end cover component (2), and the spring washer (4) is sleeved on the screw assembly (3).
6. The low-noise and shock-proof automobile heater motor according to claim 1, characterized in that: The side wall of the card plate (21) is flush with the side wall of the motor housing (1); a through hole is provided in the middle of the card plate (21) for the end of the power pivot component (7) to pass through; the end cover component (2) is pressed against the side wall of the card plate (21) to limit and fix it; a through hole is provided in the middle of the side wall of the end cover component (2) for the output shaft (71) to pass through.
7. The low-noise and shock-proof automobile heater motor according to claim 1, characterized in that: The first sealing ring (12) is sleeved on the output shaft (71), and the side wall of the first sealing ring (12) is tightly fitted with the inner wall of the installation cavity (101).