Sealing protective cover assembly for automobile door opening and closing motor

Abstract

The utility model discloses an automobile door opening and closing motor sealing protective cover assembly, which belongs to the technical field of sealing elements and comprises an upper shell and a lower shell. A containing cavity for containing the motor and the transmission assembly is formed between the upper shell and the lower shell, and sealing assemblies for sealing the periphery of the containing cavity are installed on the upper shell and the lower shell. By means of the mode, the motor is installed in the containing cavity, the motor output shaft is placed in the containing cavity, the transmission assembly with the rotating shaft is placed in the containing cavity, the upper shell and the lower shell are fixed through the bolts and the bolt installation holes, the motor wire harness is wrapped by the second sealing rib, and the rotating shaft is wrapped by the upper inner hole sealing piece and the lower inner hole sealing piece. And the first sealing rib further seals the gap between the upper shell and the lower shell, so that a further waterproof effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing components, in particular to a sealing protective cover assembly of a motor for opening and closing a door of an automobile. Background Art

[0002] With the continuous development and progress of the automobile industry, the utilization rate and demand of automobiles are increasing. Therefore, the convenience and safety of automobiles are becoming more and more concerned by everyone. Most traditional car doors can only be opened and closed manually, which is not very convenient to use. Therefore, more intelligent and automated automatic doors came into being, and their subsequent applications will become more and more extensive.

[0003] The automatic door of a car is controlled by the automatic door opening and closing system, which is powered by a motor. If no protective measures are taken, the motor will fail due to water ingress during use, affecting the safety of the entire vehicle. The motor sealing protective cover assembly is used to install the motor inside and protect it. The traditional protective cover structure has poor sealing performance, and the sealing ribs will collapse after long-term use, which greatly reduces the sealing effect and service life of the protective cover. Utility Model Content

[0004] In order to solve the technical problems existing in the background technology, the utility model provides a sealing protective cover assembly of an automobile door opening and closing motor.

[0005] The utility model provides a sealing protective cover assembly for an automobile door switch motor, comprising an upper shell and a lower shell; a housing cavity for housing a motor and a transmission component is formed between the upper shell and the lower shell, and sealing components for sealing the housing cavity are installed on the upper shell and the lower shell.

[0006] In the utility model, the accommodating chamber includes a first accommodating chamber for accommodating the motor, a second accommodating chamber for accommodating the motor output shaft and a third accommodating chamber for accommodating the transmission assembly. The first accommodating chamber, the second accommodating chamber and the third accommodating chamber are connected. An upper inner hole is opened on the upper shell body, and a lower inner hole is opened on the lower shell body. The upper inner hole, the lower inner hole and the central axis of the transmission assembly coincide with each other.

[0007] In the utility model, the sealing component comprises an upper inner hole sealing member and a lower inner hole sealing member, wherein the upper inner hole sealing member is fixedly mounted on the upper inner hole, and the lower inner hole sealing member is fixedly mounted on the lower inner hole, and both the upper inner hole sealing member and the lower inner hole sealing member are rotationally connected to the rotating shaft of the transmission component.

[0008] In the utility model, both the upper inner hole sealing member and the lower inner hole sealing member adopt double-circle annular sealing ribs.

[0009] In the utility model, the upper inner hole sealing member and the lower inner hole sealing member have an end close to the axis center which is a curved surface protruding toward the axis center, and the curved surface is rotatably connected with a surface contacting the rotating shaft.

[0010] In the utility model, the sealing assembly also includes a first sealing member, which is installed around the edge of the opening end of the upper shell or the lower shell. When the upper shell and the lower shell are assembled, the opening end of the lower shell or the upper shell contacts the first sealing member and the first sealing member is squeezed.

[0011] In the utility model, the first sealing member is a triangular prism with a triangular cross section, and one side of the triangular prism where one side of the triangle is located is fixedly connected to the upper shell or the lower shell.

[0012] In the utility model, a corner corresponding to one side connected with the upper shell or the lower shell is in contact with the lower shell or the upper shell and the angle is 55° to 65°.

[0013] In the utility model, a motor wiring harness sealing groove is provided at one end of the upper shell and the lower shell opposite to the motor output shaft, the motor wiring harness sealing groove openings on the upper shell and the lower shell are opposite to each other, a second sealing rib is fixedly installed in the motor wiring harness sealing groove, and the second sealing rib is in contact and connected with the motor wiring harness.

[0014] In the utility model, at least two groups of mounting grooves are provided around the opening end of the upper shell or the lower shell near the accommodating cavity, and shock-absorbing rubber belts are fixedly installed in the mounting grooves. When the upper shell and the lower shell are assembled, the shock-absorbing rubber belt contacts the opening end of the lower shell or the upper shell.

[0015] To sum up, the utility model mainly has the following beneficial effects: the motor is installed in the accommodating cavity, the motor output shaft is placed in the accommodating cavity, the transmission assembly with the rotating shaft is placed in the accommodating cavity, the upper shell and the lower shell are fixed by bolts and bolt mounting holes, the second sealing rib wraps the motor wiring harness, the upper inner hole seal and the lower inner hole seal wrap the rotating shaft, so that the accommodating cavity becomes a closed and waterproof space, the first sealing rib further seals the gap between the upper shell and the lower shell, and plays a further waterproof role, the shock-absorbing rubber belt is used to reduce shock when the motor is running, reduce the loosening of bolts caused by vibration, make the motor run more stably, and the upper shell and the lower shell are more tightly connected.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 for Figure 1 A top view of the

[0019] Figure 3 It is a schematic diagram of the structure of the upper shell in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the lower shell of the utility model.

[0021] Figure numerals: 1. upper shell; 2. lower shell; 3. accommodating chamber; 31. first accommodating chamber; 32. second accommodating chamber; 33. third accommodating chamber; 4. sealing assembly; 41. upper inner hole seal; 42. lower inner hole seal; 43. first seal; 44. second seal; 5. upper inner hole; 6. lower inner hole; 7. bolt mounting hole; 8. motor wiring harness sealing groove; 9. shock-absorbing rubber belt. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] like Figure 1-4 The sealing protective cover assembly of a motor for opening and closing a door of an automobile shown in the figure comprises an upper shell 1 and a lower shell 2, wherein a housing chamber 3 is formed between the upper shell 1 and the lower shell 2, wherein the housing chamber 3 comprises a first housing chamber 31 for housing a motor, a second housing chamber 32 for housing a motor output shaft, and a third housing chamber 33 for housing a transmission assembly, wherein the first housing chamber 31, the second housing chamber 32, and the third housing chamber 33 are connected. The motor output shaft and the transmission assembly are connected in a worm gear transmission manner. An upper inner hole 5 is provided on the upper shell 1, and a lower inner hole 6 is provided on the lower shell 2. Both the upper inner hole 5 and the lower inner hole 6 are provided on the outer wall of the third housing chamber 33 so that the third housing chamber 33 is connected to the outside. A rotating shaft is fixedly installed on the axis of the transmission assembly, and the rotating shaft passes through the upper inner hole 5 and the lower inner hole 6. The rotation of the transmission assembly drives the rotating shaft to rotate in the upper inner hole 5 and the lower inner hole 6.

[0024] Preferably, the axes of the upper inner hole 5 and the lower inner hole 6 are perpendicular to the second accommodating cavity 32 .

[0025] A sealing assembly 4 is also installed on the upper shell 1 and the lower shell 2. The motor and the transmission assembly are installed in the accommodating chamber 3, and the sealing assembly 4 seals the accommodating chamber 3 on all sides.

[0026] The sealing assembly 4 comprises an upper inner hole seal 41 and a lower inner hole seal 42. The upper inner hole seal 41 is fixedly mounted on the upper inner hole 5, and the lower inner hole seal 42 is fixedly mounted on the lower inner hole 6. The rotating shaft is rotatably connected to the outer walls of the upper inner hole seal 41 and the lower inner hole seal 42.

[0027] Preferably, the upper inner hole seal 41 and the lower inner hole seal 42 adopt double-circle annular sealing ribs.

[0028] Preferably, the double-circle annular structure comprises two separate groups of single-circle annular structures or connected spiral annular structures.

[0029] Preferably, the upper inner hole seal 41 and the lower inner hole seal 42 have an end close to the axis as an arc surface protruding toward the axis, and the arc surface is rotatably connected to the side in contact with the rotating shaft.

[0030] Preferably, the cross-sections of the upper inner hole seal 41 and the lower inner hole seal 42 are semicircular, and the arc surfaces of the semicircles face the axes of the upper inner hole 5 and the lower inner hole 6 .

[0031] The sealing assembly 4 further includes a first sealing member 43, which is fixedly mounted on the open end of the upper shell 1 or the lower shell 2, and the first sealing member 43 continuously surrounds the edge of the upper shell 1 or the lower shell 2 for at least one cycle. When the upper shell 1 and the lower shell 2 are assembled, the first sealing member 43 contacts the open end of the lower shell 2 or the upper shell 1, and the first sealing member 43 is squeezed, so that the upper shell 1 and the lower shell 2 are more closely connected to prevent water from entering.

[0032] Preferably, the first sealing member 43 is a triangular prism with a triangular cross-section, one side of the triangular prism where one side of the triangle is located is fixedly connected to the upper shell 1 or the lower shell 2, and a corresponding angle of this side is in contact with the lower shell 2 or the upper shell 1 and this angle is 55° to 65°.

[0033] Bolt mounting holes 7 are correspondingly installed on the four sides of the upper shell 1 and the lower shell 2 , and the upper shell 1 and the lower shell 2 are assembled through bolts and the bolt mounting holes 7 .

[0034] There are at least two groups of mounting grooves around the open end of the upper shell 1 or the lower shell 2, starting from one side close to the accommodating chamber 3, and a shock-absorbing rubber belt 9 is fixedly installed in the mounting groove. When the upper shell 1 and the lower shell 2 are assembled, the shock-absorbing rubber belt 9 contacts the open end of the lower shell 2 or the upper shell 1. The shock-absorbing rubber belt 9 is used to reduce shock when the motor is running, reduce the loosening of the bolts caused by vibration, make the motor run more stably, and make the upper shell 1 and the lower shell 2 more tightly connected.

[0035] Preferably, the shock-absorbing rubber belt 9 is distributed around the first accommodating cavity 31 .

[0036] Preferably, the shock-absorbing rubber belt 9 is wavy.

[0037] The ends of the upper shell 1 and the lower shell 2 opposite to the accommodating cavity 33 are both provided with a plurality of motor harness sealing grooves 8, the cross section of the motor harness sealing grooves 8 is semicircular, the motor harness sealing grooves 8 on the upper shell 1 and the lower shell 2 are merged into a circle, and a second sealing rib 44 is fixedly installed in the motor harness sealing groove 8, and the second sealing rib 44 is in contact with and connected to the motor harness. When the motor is placed in the accommodating cavity 31, and the upper shell 1 and the lower shell 2 are assembled together, the second sealing rib 44 on the upper shell 1 and the lower shell 2 will wrap the motor harness to prevent water from entering.

[0038] Preferably, two ends of the second sealing rib 44 are fixedly connected to the first sealing rib 43 .

[0039] During operation of this embodiment: the motor is installed in the accommodating cavity 31, the motor output shaft is placed in the accommodating cavity 32, the transmission assembly with the rotating shaft is placed in the accommodating cavity 33, the upper shell 1 and the lower shell 2 are fixed by bolts and bolt mounting holes 7, the second sealing rib 44 wraps the motor wiring harness, the upper inner hole seal 41 and the lower inner hole seal 42 wrap the rotating shaft, so that the accommodating cavity 3 becomes a closed and waterproof space, the first sealing rib 43 further seals the gap between the upper shell 1 and the lower shell 2, and plays a further waterproof role, the shock-absorbing rubber belt 9 is used to reduce shock when the motor is running, reduce the loosening of bolts caused by vibration, make the motor run more stably, and the upper shell 1 and the lower shell 2 are more tightly connected.

[0040] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0042] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sealing protective cover assembly for a vehicle door opening and closing motor, characterized in that: It comprises an upper shell (1) and a lower shell (2); A receiving chamber (3) for receiving the motor and the transmission assembly is formed between the upper shell (1) and the lower shell (2), and a sealing assembly (4) for sealing the receiving chamber (3) is installed on the upper shell (1) and the lower shell (2).

2. The automobile door opening and closing motor sealing protection cover assembly according to claim 1, characterized in that: The accommodating chamber (3) comprises a first accommodating chamber (31) for accommodating the motor, a second accommodating chamber (32) for accommodating the motor output shaft, and a third accommodating chamber (33) for accommodating the transmission assembly. The first accommodating chamber (31), the second accommodating chamber (32), and the third accommodating chamber (33) are connected. An upper inner hole (5) is formed on the upper shell (1), and a lower inner hole (6) is formed on the lower shell (2). The upper inner hole (5), the lower inner hole (6), and the central axis of the transmission assembly coincide with each other.

3. The sealing protective cover assembly of the automobile door opening and closing motor according to claim 2, characterized in that: The sealing assembly (4) comprises an upper inner hole sealing member (41) and a lower inner hole sealing member (42); the upper inner hole sealing member (41) is fixedly mounted on the upper inner hole (5), and the lower inner hole sealing member (42) is fixedly mounted on the lower inner hole (6); and both the upper inner hole sealing member (41) and the lower inner hole sealing member (42) are rotatably connected to the rotating shaft of the transmission assembly.

4. The automobile door opening and closing motor sealing protection cover assembly according to claim 3, characterized in that: The upper inner hole sealing member (41) and the lower inner hole sealing member (42) both adopt double-circle annular sealing ribs.

5. The automobile door opening and closing motor sealing protection cover assembly according to claim 3, characterized in that: The upper inner hole seal (41) and the lower inner hole seal (42) have an arc surface protruding toward the axis at one end close to the axis, and the arc surface is rotatably connected to the side in contact with the rotating shaft.

6. The automobile door opening and closing motor sealing protection cover assembly according to claim 1, characterized in that: The sealing assembly (4) further comprises a first sealing member (43), which is mounted around the edge of the opening end of the upper shell (1) or the lower shell (2). When the upper shell (1) and the lower shell (2) are assembled, the opening end of the lower shell (2) or the upper shell (1) contacts the first sealing member (43), and the first sealing member (43) is squeezed.

7. The sealing protective cover assembly of the automobile door opening and closing motor according to claim 6, characterized in that: The first sealing member (43) is a triangular prism with a triangular cross section, and one side of the triangular prism where one side of the triangle is located is fixedly connected to the upper shell (1) or the lower shell (2).

8. The automobile door opening and closing motor sealing protection cover assembly according to claim 7, characterized in that: An angle corresponding to one side connected to the upper shell (1) or the lower shell (2) is in contact with the lower shell (2) or the upper shell (1), and the angle is 55° to 65°.

9. The automobile door opening and closing motor sealing protection cover assembly according to claim 1, characterized in that: A motor harness sealing groove (8) is provided at one end of the upper shell (1) and the lower shell (2) opposite to the motor output shaft. The motor harness sealing groove (8) openings on the upper shell (1) and the lower shell (2) are opposite to each other. A second sealing rib (44) is fixedly installed in the motor harness sealing groove (8). The second sealing rib (44) is in contact with and connected to the motor harness.

10. The automobile door opening and closing motor sealing protection cover assembly according to claim 1, characterized in that: At least two groups of mounting grooves are provided around the opening end of the upper shell (1) or the lower shell (2) near the accommodating chamber (3), and a shock-absorbing rubber belt (9) is fixedly installed in the mounting groove. When the upper shell (1) and the lower shell (2) are assembled, the shock-absorbing rubber belt (9) contacts the opening end of the lower shell (2) or the upper shell (1).

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