CN210978164U - Motor shaft of worm transmission of automobile tail door - Google Patents
Motor shaft of worm transmission of automobile tail door Download PDFInfo
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- CN210978164U CN210978164U CN201921759746.5U CN201921759746U CN210978164U CN 210978164 U CN210978164 U CN 210978164U CN 201921759746 U CN201921759746 U CN 201921759746U CN 210978164 U CN210978164 U CN 210978164U
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Abstract
The utility model relates to the technical field of motor shafts, in particular to a motor shaft for a worm drive of an automobile tail gate, which comprises a rotor section, a male connecting section, a female connecting section, a worm section and a bearing section which are coaxially arranged, wherein the rotor section and the male connecting section are integrated, the female connecting section, the worm section and the bearing section are integrated, the male connecting section is in splicing fit with the female connecting section and is in threaded connection with the female connecting section, and the outer diameters of the rotor section and the female connecting section are the same; the motor shaft has high yield, and the size of the worm gear box is reduced.
Description
Technical Field
The utility model relates to a motor shaft technical field, concretely relates to car tail-gate worm drive motor shaft.
Background
The manufacturing process of the worm is complex, the production cost is high, but the yield is not high, when the worm for the motor is produced, the whole worm is not qualified due to unqualified quality of the processed motor transmission section, the worm and the motor shaft are processed separately and then assembled together, so that the yield of the worm transmission motor shaft can be greatly improved, and the combined worm transmission motor shaft is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile tail-gate worm drive motor shaft, this motor shaft yield is high to the size of worm gear case has been reduced.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an automobile tail-gate worm drive motor shaft, including rotor section, public linkage segment, female linkage segment, worm section and the bearing section of coaxial setting, rotor section, public linkage segment are integrative, and female linkage segment, worm section, bearing section are integrative, and public linkage segment is pegged graft with female linkage segment and is cooperated and threaded connection, and the external diameter of rotor section and female linkage segment is the same.
As a preferred scheme of the motor shaft of the worm transmission of the automobile tail door, the motor shaft further comprises a platform stage, wherein the platform stage is in a ring shape, the step section is coaxially arranged between the male connecting section and the female connecting section, the step section, the female connecting section, the worm section and the bearing section are integrated, and the outer diameter of the platform stage is smaller than that of the female connecting section.
As a preferred solution of the motor shaft of the worm drive of the tail gate of the automobile, the rotor section is provided with four ribs which are uniformly distributed around the axis of the rotor section and extend along the direction parallel to the axis of the rotor section.
As a preferred scheme of the motor shaft of the worm transmission of the automobile tail gate, the male connecting section comprises a hexagonal prism and a cylinder which are coaxially connected, the outer diameter of the smallest part of the hexagonal prism is larger than that of the cylinder, and the hexagonal prism is fixedly connected with the rotor section;
the female connecting section is provided with a hexagonal hole and a round hole which are inwards sunken from the axial direction of the end face of the stage, the hexagonal hole is coaxial with the round hole, the hexagonal prism is in transition fit with the hexagonal hole, and the cylinder is in interference fit with the round hole.
As a preferred scheme of the motor shaft of the worm transmission of the automobile tail door, the outer diameters of the worm section and the female connecting section are the same.
As a preferred scheme of the motor shaft of the worm transmission of the automobile tail door, one end of the worm section, which faces the bearing section, is provided with a transition section, the transition section is coaxially and fixedly connected with the bearing section, and the outer diameter of the transition section is equal to the minimum diameter of the worm section.
As a preferred scheme of the motor shaft of the worm transmission of the automobile tail gate, one end of the bearing section, which is far away from the worm section, is provided with a hemispherical head.
The utility model has the advantages that:
the worm is complex in manufacturing process and high in production cost, but the finished product rate is not high, when the worm for the motor is produced, the whole worm is not qualified due to the fact that the quality of the transmission section of the motor is unqualified, the worm and the motor shaft are processed separately and then assembled together, the finished product rate of the motor shaft of the worm transmission can be greatly improved, the male connection section and the female connection section are used for connecting the rotor section, the worm section and the bearing section, the rotor section is used for mounting the rotor, the worm section is used for worm and turbine transmission, and the bearing section is used for mounting the bearing.
1. The yield of the worm transmission motor shaft is improved;
2. the size of the worm gear box is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a perspective view of a motor shaft of a worm drive for a tailgate of an automobile according to an embodiment of the present invention;
fig. 2 is a radial view of a motor shaft of a worm drive for a tail gate of an automobile according to an embodiment of the present invention;
fig. 3 is a radial view of an exploded state of a motor shaft of a worm drive for a tailgate of an automobile according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
fig. 5 is a first perspective view of a worm section of a motor shaft of a worm drive for a tailgate of an automobile according to an embodiment of the present invention;
fig. 6 is a perspective view of a worm section of a motor shaft of a worm drive for a tailgate of an automobile according to an embodiment of the present invention;
fig. 7 is a first perspective view of a rotor section of a motor shaft of a worm drive for a tailgate of an automobile according to an embodiment of the present invention;
fig. 8 is a perspective view of a rotor section of a motor shaft of a worm drive for a tailgate of an automobile according to an embodiment of the present invention;
in the figure:
1. a rotor section; 1a, ribs;
2. a male connection section; 2a, a hexagonal prism; 2b, a cylinder;
3. a stage of stage;
4. a female connection section; 4a, hexagonal holes; 4b, round holes;
5. a worm section; 5a, a transition section;
6. a bearing section; 6a and a hemispherical head.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, the motor shaft for the worm drive of the automobile tail gate comprises a rotor section 1, a male connecting section 2, a female connecting section 4, a worm section 5 and a bearing section 6 which are coaxially arranged, wherein the rotor section 1 and the male connecting section 2 are integrated, the female connecting section 4, the worm section 5 and the bearing section 6 are integrated, the male connecting section 2 and the female connecting section 4 are in plug-in fit and are in threaded connection, and the outer diameters of the rotor section 1 and the female connecting section 4 are the same.
The male connecting section 2 and the female connecting section 4 are used for connecting the rotor section 1, the worm section 5 and the bearing section 6, the rotor section 1 is used for mounting a rotor, the worm section 5 is used for worm and turbine transmission, and the bearing section 6 is used for mounting a bearing.
The worm gear is characterized by further comprising a step section 3, wherein the step section 3 is in a circular ring shape, the step section 3 is coaxially arranged between the male connecting section 2 and the female connecting section 4, the step section 3, the female connecting section 4, the worm section 5 and the bearing section 6 are integrated, and the outer diameter of the step section 3 is smaller than that of the female connecting section 4.
After the male connecting section 2 is fixedly connected with the female connecting section 4, an annular groove is formed between the rotor section 1 and the female connecting section 4 at the position of the step section 3, and the annular groove is used for installing a sealing ring to prevent dust from entering the motor.
The rotor section 1 is provided with four ribs 1a which are uniformly distributed around the axis of the rotor section 1 and extend along the direction parallel to the axis of the rotor section 1.
The ribs 1a are used for mounting the rotor and take on the role of a substitute rotor support.
The male connecting section 2 comprises a hexagonal prism 2a and a cylinder 2b which are coaxially connected, the outer diameter of the minimum position of the hexagonal prism 2a is larger than that of the cylinder 2b, and the hexagonal prism 2a is fixedly connected with the rotor section 1;
During the installation, earlier with female linkage segment 4 heating, then with the hot pressing of public linkage segment 2 to female linkage segment 4 in for cylinder 2b and round hole 4b pass through interference fit fixed connection, hexagonal prism 2 a's the outer peripheral face and hexagonal prism 4 a's inner peripheral surface joint simultaneously, thereby make rotor section 1 can pass through cylinder 2b and round hole 4b and worm section 5 fixed connection, rotor section 1 must transmit torque to worm section 5 through hexagonal prism 2a and hexagonal prism 4a simultaneously.
The worm section 5 has the same outer diameter as the female connection section 4.
The size of car tail-gate motor case is less, and thinner worm can make the motor with the specification can drive less turbine rotation to reduce the size of car tail-gate motor case.
One end of the worm section 5 facing the bearing section 6 is provided with a transition section 5a, the transition section 5a is coaxially and fixedly connected with the bearing section 6, and the outer diameter of the transition section 5a is equal to the diameter of the minimum position of the worm section 5.
The transition section 5a is used for connecting the worm gear and the bearing section 6, plays a role in transition, and avoids damage to the worm gear when the bearing section 6 is processed.
One end of the bearing section 6 far away from the worm section 5 is provided with a hemispherical head 6 a.
The hemispherical head 6a is in a hemispherical shape with the same diameter as the bearing section 6, and the hemispherical head 6a facilitates the insertion of the bearing section 6 into the inner ring of the bearing.
The utility model discloses a theory of operation:
the manufacturing process of the worm is complex, the production cost is high, but the yield is not high, when the worm for the motor is produced, the whole worm is not qualified due to unqualified quality of the processed motor transmission section, the worm and the motor shaft are separately processed and then assembled together, so that the yield of the worm transmission motor shaft can be greatly improved, the male connection section 2 and the female connection section 4 are used for connecting the rotor section 1, the worm section 5 and the bearing section 6, the rotor section 1 is used for installing the rotor, the worm section 5 is used for worm turbine transmission, and the bearing section 6 is used for installing the bearing;
during installation, the female connecting section 4 is heated, then the male connecting section 2 is hot-pressed into the female connecting section 4, so that the cylinder 2b and the round hole 4b are fixedly connected through interference fit, meanwhile, the outer peripheral surface of the hexagonal prism 2a is clamped with the inner peripheral surface of the hexagonal prism 4a, the rotor section 1 is fixedly connected with the worm section 5 through the cylinder 2b and the round hole 4b, and meanwhile, the rotor section 1 can transmit torque to the worm section 5 through the hexagonal prism 2a and the hexagonal prism 4 a;
after the male connecting section 2 is fixedly connected with the female connecting section 4, an annular groove is formed between the rotor section 1 and the female connecting section 4 at the position of the step section 3, and the annular groove is used for installing a sealing ring to prevent dust from entering the motor.
It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (7)
1. The utility model provides an automobile tail-gate worm drive motor shaft, a serial communication port, including rotor section (1) of coaxial setting, public linkage segment (2), female linkage segment (4), worm section (5) and bearing section (6), rotor section (1), public linkage segment (2) are an organic piece, female linkage segment (4), worm section (5), bearing section (6) are an organic piece, public linkage segment (2) and female linkage segment (4) cooperation of pegging graft and threaded connection, the external diameter of rotor section (1) and female linkage segment (4) is the same.
2. The motor shaft of the worm drive for the automobile tail gate according to claim 1, further comprising a stage (3), wherein the stage (3) is annular, the stage (3) is coaxially arranged between the male connecting section (2) and the female connecting section (4), the stage (3), the female connecting section (4), the worm section (5) and the bearing section (6) are an integral piece, and the outer diameter of the stage (3) is smaller than that of the female connecting section (4).
3. The motor shaft of the automobile tail gate worm drive motor as claimed in claim 2, characterized in that the rotor section (1) is provided with four ribs (1a) which are uniformly distributed around the axis of the rotor section (1) and extend in a direction parallel to the axis of the rotor section (1).
4. The motor shaft of the automobile tail gate worm drive motor is characterized in that the male connecting section (2) comprises a hexagonal prism (2a) and a cylinder (2b) which are coaxially connected, the outer diameter of the smallest part of the hexagonal prism (2a) is larger than that of the cylinder (2b), and the hexagonal prism (2a) is fixedly connected with the rotor section (1);
female connection section (4) are last to be provided with six arriss hole (4a) and round hole (4b) from the terminal surface axial of platform stage (3) inwards sunken, and six arriss hole (4a) are coaxial with round hole (4b), and hexagonal prism (2a) and six arriss hole (4a) transition fit, cylinder (2b) and round hole (4b) interference fit.
5. The motor shaft of the worm drive for the automobile tailgate according to claim 4, characterized in that the worm section (5) and the female connection section (4) have the same outer diameter.
6. The motor shaft of the worm drive for the automobile tail gate according to claim 5, characterized in that the end of the worm section (5) facing the bearing section (6) is provided with a transition section (5a), the transition section (5a) is coaxially and fixedly connected with the bearing section (6), and the outer diameter of the transition section (5a) is equal to the smallest diameter of the worm section (5).
7. The motor shaft of the worm drive for the automobile tail gate according to claim 6, characterized in that the end of the bearing section (6) away from the worm section (5) is provided with a hemispherical head (6 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921759746.5U CN210978164U (en) | 2019-10-18 | 2019-10-18 | Motor shaft of worm transmission of automobile tail door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921759746.5U CN210978164U (en) | 2019-10-18 | 2019-10-18 | Motor shaft of worm transmission of automobile tail door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210978164U true CN210978164U (en) | 2020-07-10 |
Family
ID=71420827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921759746.5U Active CN210978164U (en) | 2019-10-18 | 2019-10-18 | Motor shaft of worm transmission of automobile tail door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210978164U (en) |
-
2019
- 2019-10-18 CN CN201921759746.5U patent/CN210978164U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315500 No.2 Shanghai Industrial City, Shangtian Industrial Zone, Fenghua District, Ningbo City, Zhejiang Province Patentee after: Ningbo Kesheng Axle Industry Co.,Ltd. Address before: 315500 No.2 Shanghai Industrial City, Shangtian Industrial Zone, Fenghua District, Ningbo City, Zhejiang Province Patentee before: FENGHUA KESHENG MICRO SHAFT Co.,Ltd. |