Transmission structure and vehicle
Through the ball socket and ball head nut structure, combined with the limit groove and drive gear, the problem of angle changes in the door during opening and closing is solved, the linear reciprocating movement and angle changes of the screw are realized, and the flexibility and stability of door operation are improved.
Patent Information
- Application Number
- CN202421899688.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-08-06
AI Technical Summary
In the existing door drive structure, when the screw pushes the door to move, the angle of the door cannot change accordingly, resulting in inconvenience of opening and closing.
The ball socket and ball head nut structure is adopted, and the ball socket is equipped with a limiting member and a limiting groove. The limiting groove is fan-shaped along the axis of the screw. Combined with the drive gear and the drive member, the linear reciprocating movement and angular changes of the screw are realized.
It realizes that during the opening and closing of the door, the screw can perform linear reciprocating motion and accompany the angle changes, meeting the angle requirements of the door and improving the flexibility and stability of door operation.
Smart Images
Figure CN223152688U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of automotive parts, and particularly relates to a transmission structure and a vehicle. Background Art
[0002] In the door system of a vehicle, the method of making a lead screw connected to the door move in a linear reciprocating motion is usually adopted to realize the opening and closing of the door. However, during the process of the lead screw in the existing drive structure pushing the door to move, the angle of the door cannot change accordingly. Utility Model Content
[0003] To overcome the deficiencies in the prior art, this application provides a transmission structure and a vehicle.
[0004] This application provides the following technical solutions:
[0005] In a first aspect, this application provides a transmission structure, including:
[0006] A lead screw;
[0007] A first transmission component, the first transmission component includes a ball socket and a ball head nut, the ball head nut is sleeved outside the lead screw, and the ball head nut is movably arranged in the ball socket. At least one limiting member is arranged inside the ball socket, at least one limiting groove is opened on the outside of the ball head nut, the limiting member is movably arranged in the limiting groove, the cross-sectional shape of the limiting groove along the axis direction of the lead screw is fan-shaped, the limiting groove has a fan-shaped opening, and the angle of the fan-shaped opening is between 1 - 12°.
[0008] A second transmission component, the first transmission component includes a driving gear, and the driving gear is connected to the ball socket;
[0009] A driving member, the output end of the driving member is in transmission connection with the driving gear.
[0010] In a possible implementation manner, the second transmission component further includes a driving gear and at least one driven gear, the driving gear is sleeved outside the output end of the driving member, the driving gear is in transmission connection with the at least one driven gear, and the at least one driven gear is in transmission connection with the driving gear.
[0011] In a possible implementation manner, the second transmission component includes one driven gear, and the driven gear meshes with the driving gear and the driving gear respectively.
[0012] In a possible implementation, two of the limiting members are provided inside the ball socket, the two limiting members are symmetrically arranged, two limiting grooves are formed on the outer side of the ball head nut, the two limiting grooves are symmetrically arranged, and the two limiting members are respectively movably arranged in the corresponding limiting grooves.
[0013] In a possible implementation, the ball socket includes a first housing and a second housing. After the first housing and the second housing enclose, a cavity is formed inside, the ball head nut is movably arranged in the cavity, and at least one limiting member is arranged on the inner wall of the cavity.
[0014] In a possible implementation, the first housing and the second housing are detachably connected.
[0015] In a possible implementation, the ball socket is arranged at the end face of the driving gear.
[0016] In a possible implementation, an installation portion is provided at the end face of the driving gear, a plurality of card slots are formed on the installation portion, a plurality of claw members are provided on the outer side of the ball socket, and the plurality of claw members are correspondingly clamped in the plurality of card slots.
[0017] In a possible implementation, the plurality of card slots are uniformly arranged along the circumferential direction of the driving gear.
[0018] In a second aspect, the present application further provides a vehicle, including a vehicle body, a vehicle door and the above-mentioned transmission structure. The vehicle door is movably arranged on the vehicle body, and the vehicle door is in transmission connection with the lead screw.
[0019] Compared with the prior art, the beneficial effects of the present application are as follows:
[0020] For the transmission structure provided by the present application, the output end of the driving member can make the driving gear rotate, the driving gear can drive the ball socket to rotate. When the positioning member slides along the opening direction of the positioning groove in the positioning groove, it can ensure that the ball head nut and the ball socket rotate simultaneously, so that the lead screw connected to the ball head nut can perform a linear reciprocating motion, and further the lead screw can push the vehicle door to open or close. When the limiting member moves in the limiting groove, the lead screw can also swing, so as to meet the angle change formed during the process of the vehicle door being pushed by the lead screw. The angle size of the fan-shaped opening can limit the moving range of the positioning member in the positioning groove, and further limit the rotation angle of the ball head nut relative to the ball socket.
[0021] In order to make the above-mentioned objects, features and advantages of the present application more obvious and understandable, the following specifically enumerates preferred embodiments and, in conjunction with the accompanying drawings, makes the following detailed description. Description of the Drawings
[0022] To more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as a limitation on the scope. For those of ordinary skill in the art, without creative efforts, other relevant drawings can also be obtained based on these drawings.
[0023] Figure 1 Shows an internal schematic diagram of the transmission structure according to an embodiment of the present application;
[0024] Figure 2 Shows Figure 1 An enlarged schematic diagram of part A in
[0025] Figure 3 Shows an internal schematic diagram of another angle of the transmission structure according to an embodiment of the present application;
[0026] Figure 4 Shows Figure 3 An enlarged schematic diagram of part B in
[0027] Main element symbol description:
[0028] 100 - transmission structure; 110 - lead screw; 120 - first transmission component; 121 - ball socket; 1211 - limiting member; 122 - ball head nut; 1221 - limiting groove; 130 - second transmission component; 131 - driving gear; 132 - driven gear; 133 - driving gear; 140 - driving member. Detailed implementation manners
[0029] The following will describe in detail the embodiments of the present application. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and should not be construed as a limitation on the present application.
[0030] In the description of the present application, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation on the present application.
[0031] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, "a plurality of" means two or more unless otherwise specifically defined.
[0032] In this application, unless otherwise clearly defined and limited, terms such as "installed", "connected", "linked", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0033] In this application, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over", and "on top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature is at a higher horizontal level than the second feature. The first feature being "under", "beneath", and "underneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature is at a lower horizontal level than the second feature.
[0034] Embodiment 1
[0035] Please refer to Figure 1 , an embodiment of this application provides a transmission structure 100. The transmission structure 100 is used in a vehicle.
[0036] The vehicle in this embodiment includes a vehicle body and a vehicle door, and the vehicle door is movably arranged on the vehicle body. The transmission structure 100 can realize the opening and closing of the vehicle door relative to the vehicle body.
[0037] The transmission mechanism includes a lead screw 110, a first transmission assembly 120, a second transmission assembly 130, and a driving member 140.
[0038] Among them, the lead screw 110 is used to connect the vehicle door.
[0039] Please refer to Figure 2, the first transmission assembly 120 includes a ball socket 121 and a ball head nut 122. The ball head nut 122 is sleeved outside the lead screw 110, and the ball head nut 122 is movably arranged in the ball socket 121. At least one limiting member 1211 is arranged on the inner side of the ball socket 121, and at least one limiting groove 1221 is formed on the outer side of the ball head nut 122. The limiting member 1211 is movably arranged in the limiting groove 1221.
[0040] The first transmission assembly 120 includes a driving gear 131, and the driving gear 131 is connected to the ball socket 121.
[0041] The output end of the driving member 140 is in transmission connection with the driving gear 131.
[0042] The output end of the driving member 140 can drive the driving gear 131 to rotate. The driving gear 131 can drive the ball socket 121 to rotate. When the positioning member slides along the opening direction of the positioning groove in the positioning groove, it can ensure that the ball head nut 122 and the ball socket 121 rotate simultaneously, so that the lead screw 110 connected to the ball head nut 122 can perform a linear reciprocating motion, and further the lead screw 110 can push the vehicle door to open or close.
[0043] The cross-sectional shape of the limiting groove 1221 along the axial direction of the lead screw 110 is fan-shaped, and the limiting groove 1221 has a fan-shaped opening. When the limiting member 1211 moves in the limiting groove 1221, the lead screw 110 can also swing, so as to meet the angle change formed during the process of the vehicle door being pushed by the lead screw 110. The angle size of the fan-shaped opening can limit the moving range of the positioning member in the positioning groove, and further limit the rotation angle of the ball head nut 122 relative to the ball socket 121.
[0044] The swing of the lead screw 110 means that the lead screw 110 moves in the radial direction of the ball head nut 122.
[0045] The angle a of the fan-shaped opening is between 1° and 12°.
[0046] In some embodiments, the positioning member is a positioning pin, and the shape of the positioning pin is generally cylindrical.
[0047] In some embodiments, one end of the positioning member is fixedly connected to the inner side of the ball socket 121 by welding.
[0048] In another embodiment, the positioning member can also be fixedly connected to the inner side of the ball socket 121 by integrally molding.
[0049] In some embodiments, the ball head nut 122 is threadedly connected to the lead screw 110 so that when the ball head nut 122 rotates, it can drive the lead screw 110 to perform a linear reciprocating motion.
[0050] In some embodiments, please refer to Figure 1 and Figure 3 , the second transmission assembly 130 further includes a driving gear 133 and at least one driven gear 132. The driving gear 133 is sleeved outside the output end of the driving member 140. The driving gear 133 is drivingly connected to the at least one driven gear 132, and the at least one driven gear 132 is drivingly connected to the driving gear 131.
[0051] The driving member 140 can drive the driving gear 133 to rotate. The driving gear 133 is drivingly connected to the driving gear 131 through the at least one driven gear 132, so as to make the driving gear 131 rotate.
[0052] In some embodiments, the second transmission assembly 130 includes one driven gear 132, and the driven gear 132 meshes with the driving gear 131 and the driving gear 133 respectively.
[0053] In another embodiment, the second transmission assembly 130 includes a plurality of driven gears 132. Adjacent driven gears 132 mesh with each other. One of the plurality of driven gears 132 meshes with the driving gear 133, and one of the plurality of driven gears 132 meshes with the driving gear 131.
[0054] In some embodiments, the driving gear 133, the driven gear 132 and the driving gear 131 are all helical gears.
[0055] Exemplarily, the driving member 140 is a motor.
[0056] In some embodiments, please refer to Figure 2 and Figure 4 , two limiting members 1211 are arranged inside the ball socket 121. The two limiting members 1211 are symmetrically arranged. Two limiting grooves 1221 are formed on the outer side of the ball head nut 122. The two limiting grooves 1221 are symmetrically arranged. The two limiting members 1211 are respectively movably arranged in the corresponding limiting grooves 1221.
[0057] The two limiting members 1211 cooperate with the two limiting grooves 1221 to improve the reliability of the rotation of the ball head nut 122 in the ball socket 121.
[0058] In some embodiments, please refer toFigure 4 The ball socket 121 includes a first housing and a second housing. After the first housing and the second housing enclose, a cavity is formed inside. The ball head nut 122 is movably arranged in the cavity, and at least one limiting member 1211 is arranged on the inner wall of the cavity.
[0059] In some embodiments, the first housing and the second housing are detachably connected.
[0060] Exemplarily, the first housing and the second housing can be detachably connected by means of bolt connection, so as to facilitate the replacement of the damaged first housing or the second housing, and facilitate the maintenance of the ball head nut 122.
[0061] In some embodiments, the driving gear 131 is sleeved on the ball socket 121, and the outer surface of the ball socket 121 is in interference fit with the inner wall of the driving gear 131, so that the driving gear 131 is connected to the ball socket 121.
[0062] In another embodiment, the ball socket 121 is arranged at the end face of the driving gear 131.
[0063] Further, an installation portion is provided at the end face of the driving gear 131, a plurality of card slots are opened on the installation portion, and a plurality of claw members are arranged on the outside of the ball socket 121, and the plurality of claw members are correspondingly clamped in the plurality of card slots.
[0064] Further, the plurality of card slots are uniformly arranged along the circumferential direction of the driving gear 131.
[0065] Embodiment 2
[0066] The present application further provides a vehicle, including a vehicle body, a vehicle door and the above-mentioned transmission structure 100. The vehicle door is movably arranged on the vehicle body, and the vehicle door is in transmission connection with the lead screw 110.
[0067] The driving member 140 can drive the lead screw 110 to perform linear reciprocating motion through the second transmission assembly 130, and then drive the vehicle door to open or close.
[0068] The vehicle provided in this embodiment has the transmission structure 100 provided in any of the above embodiments. Therefore, it has all the beneficial effects of the transmission structure 100 provided in any of the above embodiments, which will not be elaborated here one by one.
[0069] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.
[0070] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present application.
Claims
1. A transmission structure, characterized in that, Comprising: Lead screw; A first transmission assembly, the first transmission assembly comprising a ball socket and a ball head nut, the ball head nut being sleeved outside the lead screw, and the ball head nut being movably arranged in the ball socket. At least one limiting member is arranged on the inner side of the ball socket, and at least one limiting groove is formed on the outer side of the ball head nut. The limiting member is movably arranged in the limiting groove. The cross-sectional shape of the limiting groove along the axis direction of the lead screw is fan-shaped. The limiting groove has a fan-shaped opening, and the angle of the fan-shaped opening is between 1° and 12°; A second transmission assembly, the first transmission assembly comprising a driving gear, and the driving gear is connected to the ball socket; A driving member, the output end of the driving member is in transmission connection with the driving gear.
2. The transmission structure according to claim 1, wherein The second transmission assembly further comprises a driving gear and at least one driven gear. The driving gear is sleeved outside the output end of the driving member. The driving gear is in transmission connection with the at least one driven gear, and the at least one driven gear is in transmission connection with the driving gear.
3. The transmission structure according to claim 2, characterized in that, The second transmission assembly comprises one of the driven gears, and the driven gear meshes with the driving gear and the driving gear respectively.
4. The transmission structure according to any one of claims 1 to 3, characterized in that, Two of the limiting members are arranged on the inner side of the ball socket, and the two limiting members are symmetrically arranged. Two of the limiting grooves are formed on the outer side of the ball head nut, and the two limiting grooves are symmetrically arranged. The two limiting members are respectively movably arranged in the corresponding limiting grooves.
5. The transmission structure according to any one of claims 1 to 3, characterized in that, The ball socket comprises a first housing and a second housing. After the first housing and the second housing enclose, a cavity is formed inside. The ball head nut is movably arranged in the cavity, and the at least one limiting member is arranged on the inner wall of the cavity.
6. The drive structure according to claim 5, characterized in that, The first housing and the second housing are detachably connected.
7. The drive structure according to any one of claims 1-3, characterized in that, The ball socket is arranged at the end face of the driving gear.
8. The transmission structure according to claim 7, wherein, An installation part is arranged at the end face of the driving gear. A plurality of clamping grooves are formed on the installation part. A plurality of clamping claws are arranged on the outer side of the ball socket, and the plurality of clamping claws are correspondingly clamped in the plurality of clamping grooves.
9. The drive structure according to claim 8, characterized in that, The plurality of clamping grooves are uniformly arranged along the circumferential direction of the driving gear.
10. A vehicle, characterized in that, Comprising a vehicle body, a vehicle door and the transmission structure according to any one of claims 1-9. The vehicle door is movably arranged on the vehicle body, and the vehicle door is in transmission connection with the lead screw.