Rotary locking mechanism with oil reservoir and rotary seat

Abstract

The utility model relates to a kind of rotary locking mechanism and rotary chair with oil storage tank, which comprises: grooved shell, first and second chambers are formed in it and communicated along the axial direction, grease is provided in the second chamber;Brake ring and clamping part are provided in the first chamber, a plurality of roller-elastic element assemblies are provided between the two;Transmission member is provided in the second chamber, it can rotate around the axial direction relative to grooved shell, support structure and oil storage tank are provided at the position corresponding to the rotation track of transmission member in the second chamber, the notch of oil storage tank is towards transmission member, and groove bottom surface is lower than the support surface of support structure;Driving disc is provided in grooved shell, at least partially housed in first chamber and second chamber, the two sides of driving disc are connected with transmission member and clamping part respectively, to realize the rotation of clamping part with the rotation of transmission member.In the rotation of transmission member, grease in oil storage tank can be brought into between transmission member and support surface with transmission member, to realize the automatic replenishment of grease between the two.

Description

Technical Field

[0001] This utility model relates to the field of automotive seat technology, and in particular to a rotary locking mechanism with an oil reservoir and a rotary seat. Background Technology

[0002] With the rapid development of the automotive industry, the demand for "emotional value" is increasing in high-end or luxury vehicles, and users expect the passenger cabin space to offer more practical and unique functions. The demand for rotating seats is one such example. Rotating seats typically include the seat itself and a rotation locking mechanism for controlling its rotation. Furthermore, this rotation locking mechanism should also be able to rotate and lock other devices that require rotation.

[0003] See Figures 3-4 In order to clearly describe the overall architecture of the existing rotary locking mechanism, this utility model is used in conjunction with... Figure 1 and Figure 2 As shown, existing rotary locking mechanisms generally include a slotless housing 1' (corresponding to...) Figure 1 and Figure 2 The system comprises a grooved housing 1', a clamping member 7, a brake ring 8, a transmission member 2, a drive disc 4, and multiple roller-elastic member assemblies. The grooveless housing 1' has a first chamber 1a and a second chamber 1b formed axially (i.e., along the rotation axis of the seat). The clamping member 7 and the brake ring 8 are both disposed in the first chamber 1a. The roller-elastic member assembly is disposed between the brake ring 8 and the clamping member 7 and includes two rollers 6 and an elastic member 5. The surfaces of the brake ring 8 and the clamping member 7 facing each other form a wedge structure, configured to receive the roller-elastic member assembly and wedge the two rollers 6 within it. The transmission member 2 is disposed in the second chamber 1b and is rotatable axially relative to the grooveless housing 1'. A support surface for supporting the transmission member 2 is provided within the second chamber at a position corresponding to its rotation trajectory. The drive disk 4 is disposed within the grooveless housing 1' and is at least partially housed in the first chamber 1a and at least partially housed in the second chamber 1b. One side of the drive disk 4 is connected to the transmission member 2 to rotate with the transmission member 2. The other side of the drive disk 4 is connected to the clamping member 7 to drive the clamping member 7 to rotate when the drive disk 4 rotates. The drive disk 4 is provided with a drive protrusion 4b that matches the roller-elastic member assembly. The drive protrusion 4b extends axially and extends into the third chamber 1c to contact the roller-elastic member assembly when the drive disk 4 rotates, thereby releasing the wedging structure from wedging one of the two rollers 6 in the roller-elastic member assembly.

[0004] To reduce the frictional resistance between the transmission component 2 and the grooveless housing 1' during rotation, grease (such as...) is usually provided in the second chamber 1b. Figure 4 (As shown by the red dashed line in the image), especially between the transmission component 2 and the support surface (such as...). Figure 4 Apply grease to the area circled in the center. Because the transmission component 2 and the support surface are in direct contact, there is contact friction between them when the transmission component 2 rotates. Applying grease between them can reduce this contact friction, but this method of grease application can only maintain the effect for a period of time. As the two components continue to rotate and rub against each other, the applied grease will continuously decrease, and the grease located in the second chamber 1b cannot be automatically replenished between them. If grease is replenished manually, the drive assembly needs to be disassembled periodically and the grease needs to be reapplied between them, which is inconvenient and frequent disassembly and assembly will also affect the service life of the mechanism.

[0005] It should be noted that the parts with the same reference numerals in the above description are only used to clearly describe the overall structure of the existing rotary locking mechanism, and do not indicate that the specific structure of each part is the same as the specific structure of the parts with the same reference numerals in this utility model. For example, the grooveless housing in the existing rotary locking mechanism does not have an oil groove. Utility Model Content

[0006] To address the aforementioned issues, this invention provides a rotary locking mechanism and a rotary seat with an oil reservoir, which can automatically replenish grease between the transmission components and the support surface, eliminating the need for frequent disassembly and assembly and ensuring the service life of the mechanism.

[0007] This utility model is achieved through the following solution: a rotary locking mechanism with an oil storage tank, the rotary locking mechanism being configured to lock and unlock the rotational movement of a rotatable device, the rotary locking mechanism comprising:

[0008] A grooved shell, wherein a first chamber and a second chamber are formed within the grooved shell and are connected along the axial direction;

[0009] A brake ring and a clamping member are disposed in the first chamber. A third chamber is formed between the brake ring and the clamping member. A plurality of roller-elastic member assemblies are disposed in the third chamber. Each roller-elastic member assembly includes two rollers and an elastic member.

[0010] A transmission component is disposed in the second chamber. The transmission component is rotatable about the axial direction relative to the grooved housing. A support structure is disposed in the second chamber at a position corresponding to the rotation trajectory of the transmission component. The side of the support structure facing the transmission component protrudes from the inner end face of the grooved housing to form a support surface for supporting the transmission component.

[0011] A drive disk is disposed within the grooved housing. The drive disk is at least partially housed in the first chamber and at least partially housed in the second chamber. One side of the drive disk is connected to the transmission member so as to rotate with the transmission member. The other side of the drive disk is connected to the clamping member so as to drive the clamping member to rotate when the drive disk rotates.

[0012] in,

[0013] The second chamber is provided with grease, and an oil storage tank that can be filled with grease is also provided in the second chamber at a position corresponding to the rotation trajectory of the transmission component. The opening of the oil storage tank faces the transmission component, and the bottom surface of the oil storage tank is lower than the support surface.

[0014] The surfaces of the brake ring and the clamping member facing each other form a wedge structure. The wedge structure is configured to receive the roller-elastic member assembly and wedge two rollers in the roller-elastic member assembly. A drive protrusion is provided on the other side of the drive disc to cooperate with the roller-elastic member assembly. The drive protrusion extends axially and into the third chamber to contact the roller-elastic member assembly when rotating with the drive disc, thereby releasing the wedge structure from wedge-tightening one of the two rollers in the roller-elastic member assembly.

[0015] A further improvement of this utility model is that the rotary locking mechanism is equipped with a drive motor, which can drive the transmission component to rotate.

[0016] A further improvement of this utility model is that the transmission component is a gear component that can be fixedly mounted on the drive disk, and the output end of the drive motor is fixedly connected to a rack, the rack meshing with the gear component.

[0017] A further improvement of this invention is that the grease is disposed between the gear component and the grooved housing to reduce the frictional resistance between the gear component and the grooved housing.

[0018] A further improvement of this utility model is that the oil storage tank is configured such that when the transmission component rotates, the grease in the oil storage tank comes into contact with the transmission component and is carried into the space between the transmission component and the support surface of the support structure.

[0019] A further improvement of this utility model is that the number of oil storage tanks is multiple, and the multiple oil storage tanks are spaced apart along the rotation trajectory of the transmission component.

[0020] A further improvement of this utility model is that the support structure is a continuous structure that surrounds the rotation trajectory of the transmission member, the oil storage tank is opened on the support structure, and the oil storage tank penetrates the support structure in the radial direction.

[0021] A further improvement of this utility model is that the support structure is a plurality of segmented structures spaced apart along the movement trajectory of the transmission member, and the oil storage tank is formed between any two adjacent segments of the support structure.

[0022] A further improvement of this utility model is that the brake ring is arranged radially outside the clamping member, the third chamber is constructed between the inner circumferential surface of the brake ring and the outer circumferential surface of the clamping member, and the wedge-tightening structure is formed by the inner circumferential surface of the brake ring and the outer circumferential surface of the clamping member; or

[0023] The brake ring is arranged radially within the clamping member, and the third chamber is constructed between the outer peripheral surface of the brake ring and the inner peripheral surface of the clamping member, forming the wedge structure by the outer peripheral surface of the brake ring and the inner peripheral surface of the clamping member.

[0024] This utility model also provides a rotating seat, including the rotating locking mechanism with an oil reservoir as described above.

[0025] This utility model includes, but is not limited to, the following beneficial effects:

[0026] By placing grease in the second chamber, the frictional resistance between the transmission component and the grooved housing during rotation is reduced.

[0027] By setting an oil reservoir for filling grease at a position on the grooved housing corresponding to the rotation trajectory of the transmission component, the grease in the oil reservoir can be continuously carried into the space between the transmission component and the support surface by the transmission component when the transmission component rotates relative to the grooved housing. This achieves the purpose of automatically and timely replenishing grease without the need for frequent disassembly and assembly of the mechanism, making operation convenient and ensuring the service life of the mechanism.

[0028] By specifically coordinating the oil storage tank with the supporting structure, the oil storage tank is radially connected to the second chamber, thereby enabling the oil in the second chamber to automatically fill the oil storage tank when the oil storage tank is not full, so that the oil in the oil storage tank can remain in contact with the transmission components for a long time. Attached Figure Description

[0029] Figure 1 A schematic diagram of the assembled structure of the rotary locking mechanism of this utility model is shown.

[0030] Figure 2 An exploded view of the rotary locking mechanism of this utility model is shown.

[0031] Figure 3 A schematic diagram of the internal structure of a tankless shell without an oil storage tank is shown.

[0032] Figure 4 A partial cross-sectional view of the rotary locking mechanism without an oil reservoir is shown.

[0033] Figure 5 A schematic diagram of the roller-elastic component assembly in the locked state is shown.

[0034] Figure 6 A schematic diagram of the roller-elastic component assembly in the unlocked state is shown.

[0035] Figure 7 A schematic diagram of the assembly state of the rotary locking mechanism of this utility model is shown.

[0036] Figure 8 A partial cross-sectional view of the grooved housing in the first embodiment of the present invention is shown.

[0037] Figure 9 A schematic diagram of the internal structure of the grooved shell in the first embodiment of this utility model is shown.

[0038] Figure 10 A schematic internal plan view of the grooved shell in the first embodiment of this utility model is shown.

[0039] Figure 11 A partial cross-sectional view of the rotary locking mechanism in the first embodiment of this utility model is shown.

[0040] Figure 12 This diagram illustrates the movement of grease during the rotation of the transmission component in the first embodiment of this invention. Figure 1 .

[0041] Figure 13 This diagram illustrates the movement of grease during the rotation of the transmission component in the first embodiment of this invention. Figure 2 .

[0042] Figure 14 A schematic diagram of the internal structure of the grooved shell in the second embodiment of this utility model is shown.

[0043] Figure 15 It shows Figure 14 Enlarged diagram of point A in the middle.

[0044] Figure 16 The diagram shows the movement of grease during the rotation of the transmission component according to the second embodiment of this utility model.

[0045] Figure 17 A partial cross-sectional view of the grooved housing in the third embodiment of this utility model is shown.

[0046] Figure 18 A partial cross-sectional view of the rotary locking mechanism in the third embodiment of this utility model is shown.

[0047] In the figure: 1', slotless shell; 1, slotted shell; 1a, first chamber; 1b, second chamber; 1c, third chamber; 1d, rack hole; 1e, second motor bolt hole; 1f, snap-fit ​​part; 1g, support structure; 1h, oil reservoir; 2, transmission component; 2a, recessed mating part; 3, rack; 4, drive disc; 41, main body; 42, protrusion; 4a, protruding mating part; 4b, drive protrusion; 5, elastic element; 6, roller; 7, clamping element; 7a, radial protrusion; 8, brake ring; 9, isolation washer; 10, cover plate; 10a, window part; 11, first bolt; 12, drive motor; 12a, motor hole; 12b, first motor bolt hole; 13, motor bolt; 14, second bolt. Detailed Implementation

[0048] To address the problem that existing rotary locking mechanisms are inconvenient for replenishing grease between the transmission component and the support surface, this invention provides a rotary locking mechanism with an oil reservoir and a rotary seat. The following detailed description, in conjunction with the accompanying drawings, provides further insights into this rotary locking mechanism and rotary seat with an oil reservoir.

[0049] See Figures 1-2 , Figures 7-8 As shown, the rotary locking mechanism includes a grooved housing 1, a transmission component 2, a drive disc 4, multiple roller-elastic element assemblies, a clamping component 7, a brake ring 8, and a cover plate 10. The grooved housing 1 contains a first chamber 1a and a second chamber 1b that communicate axially (i.e., in the direction of the seat's rotation axis L). The grooved housing 1 and the cover plate 10 are fixedly connected together. The drive disc 4, roller-elastic element assemblies, clamping component 7, and brake ring 8 are accommodated within an installation space defined by the grooved housing 1 and the cover plate 10. The brake ring 8 and clamping component 7 are located within the first chamber 1a, and the drive disc 4 is at least partially accommodated in the first chamber 1a and at least partially in the second chamber 1b. This rotary locking mechanism is configured to lock and unlock the rotational movement of a rotatable device, particularly a seat. The seat can be a seat for a transportation vehicle. Of course, the seat can also be a seat in other application scenarios. The seat and the rotary locking mechanism can constitute a seat assembly. The transportation vehicle can be, for example, a motor vehicle, such as a passenger car. The means of transport can also be other land-based, air-based, or water-based vehicles. For passenger vehicles, the means of transport disclosed herein is particularly suitable for mid-to-large-sized SUVs or MPVs. Of course, the rotary locking mechanism of this disclosure can also be used in other applications requiring a rotary locking mechanism, in addition to its use in means of transport.

[0050] To fix the cover plate 10 to the grooved housing 1, a plurality of first bolts 11 are provided on the cover plate 10, and a plurality of first bolt holes are provided on the grooved housing 1. The plurality of first bolt holes on the grooved housing 1 are fitted into the plurality of first bolts 11 on the cover plate 10, and are fixed by nuts. In addition, a plurality of snap-fit ​​parts 1f are provided on the outer periphery of the grooved housing 1, and a window part 10a corresponding to the snap-fit ​​parts 1f is provided on the outer periphery of the cover plate 10. The snap-fit ​​parts 1f can be snapped into the window part 10a, so that the grooved housing 1 and the cover plate 10 are pre-assembled and fixed before being finally fixed by nuts.

[0051] The clamping member 7 is arranged radially within the brake ring 8. A plurality of second bolts 14 are provided on the clamping member 7, which can be used to connect rotatable devices, such as the seat frame of a seat.

[0052] like Figure 11 As shown, a third chamber 1c is formed between the inner circumferential surface of the brake ring 8 and the outer circumferential surface of the clamping member 7. The roller-elastic member assembly is accommodated in the third chamber 1c. The roller-elastic member assembly can be a combination of two rollers 6 and one elastic member 5, or it can be a combination of two rollers 6 and two elastic members 5.

[0053] Cooperate Figure 5 and Figure 6 As shown, a drive protrusion 4b is provided on the drive disc 4 to mate with the roller-elastic element assembly. The drive protrusion 4b extends axially and into the third chamber 1c. In this embodiment, radial protrusions 7a are distributed circumferentially on the clamping member 7, extending radially toward the brake ring 8. Between any two adjacent radial protrusions 7a, a roller-elastic element assembly and two drive protrusions 4b are arranged, with the roller-elastic element assembly positioned between the two mating drive protrusions 4b. It is conceivable that other forms of the roller-elastic element assembly in the prior art rotary locking mechanism, not limited to the number and arrangement of rollers, elastic elements, drive protrusions, and radial protrusions, can also be applied to this solution.

[0054] A wedge-locking structure is formed by the portion of the inner circumferential surface of the brake ring 8 and the outer circumferential surface of the clamping member 7 between any adjacent drive protrusions 4b. This wedge-locking structure is configured to receive and wedge the two rollers 6 in the roller-elastic member assembly. Here, the clamping member 7, the drive disc 4, the roller-elastic member assembly, and the brake ring 8 constitute the main functional components of the rotary locking mechanism. Figure 5As shown, when the drive disc 4 is not rotating, the two rollers 6 in the roller-elastic element assembly are pushed apart to both sides by the elastic restoring action of the elastic element 5, thereby wedging the two rollers 6 into the wedging structure, thus locking the clamping element 7 relative to the brake ring 8, and thereby locking a rotatable device, such as a seat lock, fixed to the clamping element 7. Figure 6 As shown, when the drive disc 4 rotates, one of the two drive protrusions 4b of the drive disc 4 contacts the roller-elastic element assembly, thereby releasing one of the other rollers 6 that is wedged by the wedging structure (which roller 6 is released depends on the rotation direction of the drive disc 4; the released roller 6 should be facing the rotation direction), while the other of the two drive protrusions 4b contacts and pushes the radial protrusion 7a, so that the clamping member 7 rotates with the rotation of the drive disc 4. During this process, the other roller 6 in the roller-elastic element assembly acts as a rotation support for the clamping member 7. That is, when the drive disc 4 drives the clamping member 7 to rotate, the clamping member 7 can rotate freely around the rotation axis within the brake ring 8 with the other roller 6 as the rotation support. It is understood that the radial protrusion 7a is only one form of enabling the drive protrusion 4b to push the clamping member 7, and the existing structural forms on the clamping member 7 that can be pushed by the drive protrusion 4b can also be applied to this solution.

[0055] like Figure 2 , Figure 7 and Figure 11 As shown, the transmission component 2 is an external gear component, which is disposed within the second chamber 1b, and the external gear component can be separately fixedly assembled onto the drive disk 4. Specifically, the transmission component 2 is hollow, and includes a recessed mating portion 2a recessed on its inner circumference. The drive disk 4 includes a main body 41, an axially protruding extension 42 on one side of the main body 41, and an axially extending drive protrusion 4b on the other side of the main body 41. A protruding mating portion 4a that mates with the recessed mating portion 2a is provided on the outer circumference of the protruding portion 42. The protruding portion 42 of the drive disk 4 can be inserted into the hollow portion of the transmission component 2, thereby forming a form-locking mating structure between the recessed mating portion 2a and the protruding mating portion 4a. In another embodiment, a technical solution where the drive disk 4 and the transmission component 2 are integrally constructed is also conceivable. Furthermore, in another embodiment, the transmission component 2 can also be conceivable as an internal gear component, and the internal gear component has an internal gear. Figure 7As can be seen, the rotary locking mechanism may further include a drive motor 12, which is mounted, for example, on a bracket portion integrally constructed on the slotted housing 1 via a motor bolt 13. The motor bolt 13 passes through a first motor bolt hole 12b in the drive motor 12 and a second motor bolt hole 1e in the slotted housing 1. To transmit the rotational motion of the drive motor 12 to the transmission member 2, which is connected to the drive disc 4, the rotary locking mechanism may include a rack 3. One side of the rack 3 is connected to the output end of the drive motor 12, while the other side meshes with the teeth of the gear member 2. This side passes through a rack hole 1d in the slotted housing 1 and a motor hole 12a in the motor. A mating tooth that interacts with the tooth on the stated side of the rack 3 may exist within the motor hole 12a. Here, the portion of the slotted housing with the rack hole 1a and the portion with the second motor bolt hole 1b can jointly serve as a bracket portion for the drive motor 12. The drive motor 12 drives the rack 3 to rotate, thereby enabling the transmission member 2 to rotate axially relative to the grooved housing 1. One side of the drive disk 4 rotates with the rotation of the transmission member 2, and the driving protrusion 4b on the other side of the drive disk 4 drives the clamping member 7 to rotate.

[0056] like Figure 2 , Figure 7 and Figure 11 As shown, the cover plate 10 can be fixed to the brake ring 8 by a first bolt 11 passing through the cover plate 10, and the cover plate 10 substantially covers the third chamber 1c. A spacer 9 is provided between the clamping member 7 and the roller-elastic member assembly and the cover plate 10, thereby providing a spacer 9 that... Figure 11 The upper end shown can isolate the cover plate 10 and the isolation gasket 9 as shown. Figure 11 The lower end shown isolates the clamping element 7 and the roller 6 in the roller-elastic element assembly to prevent abnormal noise caused by collisions between the metal parts and to reduce frictional resistance of the metal parts during rotation. Figure 11 The arrangement of the transmission component 2, drive disc 4, roller-elastic component assembly, clamping component 7, brake ring 8, isolation washer 9, and cover plate 10 relative to each other can be seen.

[0057] Then, with the help of Figure 11The relative positional relationship between the drive protrusion 4b of the drive disc 4, the brake ring 8, and the clamping member 7 is described. To avoid or reduce internal driving resistance, the side of the drive protrusion 4b facing the brake ring 8 is radially spaced from the inner circumferential surface of the brake ring 8 to form a first gap h1. Thus, when the drive disc 4 drives the clamping member 7 to rotate, the drive protrusion 4b of the drive disc 4 and the brake ring 8 are in a non-contact state radially. Furthermore, the side of the drive protrusion 4b of the drive disc 4 facing the clamping member 7 is radially spaced from the outer circumferential surface of the clamping member 7 to form a second gap h2. Thus, during the unlocking process of the roller-elastic member assembly, the drive protrusion 4b of the drive disc 4 and the clamping member 7 are in a non-contact state radially.

[0058] It is important to note that, in order to reduce the frictional resistance between the transmission component 2 and the grooved housing 1 during rotation, in this embodiment, grease (such as...) is provided in the second chamber 1b. Figure 11 As shown by the red dashed line in the diagram, a support structure 1g is provided in the second chamber 1b at a position corresponding to the rotation trajectory of the transmission member 2 (in the case of the transmission member 2 being an external / internal gear, the rotation trajectory is a circle around the axis of rotation). The side of the support structure 1g facing the transmission member 2 protrudes from the inner end face of the grooved housing 1 and forms a support surface for supporting the transmission member 2. Therefore, there is contact friction between the support surface and the transmission member 2. To reduce the contact friction between them, grease should be applied between them. However, to prevent the grease between them from decreasing due to continuous rotational friction, in this invention, an oil reservoir for filling the grease is also provided in the second chamber 1b at a position corresponding to the rotation trajectory of the transmission member 2. The setting of the oil reservoir is explained below through two embodiments:

[0059] First embodiment, see reference Figures 9-10 , Figures 12-13 As shown, in this embodiment, the support structure 1g is integrally formed with the shell 1, and the support structure 1g is a plurality of segmented structures spaced apart along the movement trajectory of the transmission member 2. The number of oil storage tanks 1h can be one or more. Each oil storage tank 1h is formed between any two adjacent segments of the support structure 1g. In this embodiment, the plurality of segments of the support structure 1g are evenly spaced, and the gap between every two segments forms an oil storage tank 1h. The bottom surface of each oil storage tank 1h is flush with the inner end face of the shell 1. Figure 13The dotted line in the diagram corresponds to the inner end face of the grooved housing 1, and the support structure 1g protrudes above the inner end face H of the grooved housing 1. The opening of the oil storage tank 1h faces the transmission component 2, ensuring that when the oil storage tank 1h is filled with grease, the grease can contact the transmission component 2. This allows the grease in the oil storage tank 1h to be continuously carried into the space between the transmission component 2 and the support surface as the transmission component 2 rotates relative to the grooved housing 1 (e.g., ...). Figure 11 (The area circled in the middle). For example... Figure 13 As shown, when the transmission component 2 moves relative to the grooved housing 1 in the direction of the arrow, the grease located in the oil storage tank 1h will be carried by the movement of the transmission component 2 into the support surface between the transmission component 2 and the support structure 1g, thereby achieving the purpose of automatically and timely replenishing the grease. Additionally, as... Figure 12 As shown, since the oil storage tank 1h is formed between two adjacent sections, it is radially connected to the second chamber 1b. Therefore, the grease in the oil storage tank 1h is carried out, and the grease in the second chamber 1b will automatically flow into the oil storage tank 1h, with the flow direction as shown. Figure 12 The arrows on either side of the support structure 1g indicate the direction of the rotation. By replenishing grease in the second chamber 1b, the grease in the oil reservoir 1h can remain in contact with the transmission component 2 for an extended period. This ensures lubrication between the transmission component 2 and the support surface without frequent disassembly and assembly, maximizing low friction between them, facilitating operation, and guaranteeing the service life of the mechanism.

[0060] Second embodiment, see Figures 14-16 As shown, in this embodiment, the support structure 1g is an integral continuous structure that surrounds the rotation trajectory of the transmission member 2. The oil storage tank 1h is formed on the support structure 1g and extends radially through the support structure 1g. Although the bottom surface of the oil storage tank 1h is lower than the protrusion height H of the support structure 1g, it protrudes from the inner end face of the tank housing 1, forming a step. Figure 16 As shown. Compared to the first embodiment, although it is also possible to replenish grease from the second chamber 1b when grease is carried out of the oil storage tank 1h, the grease level in the second chamber 1b needs to be higher than the bottom surface of the oil storage tank 1h. In this embodiment, the number of oil storage tanks 1h can also be multiple, and the multiple oil storage tanks 1h are spaced apart along the circumference of the support structure 1g.

[0061] Regarding the mating structure of the clamping member 7 and the brake ring 8, in addition to adopting the structure in the above embodiment where the clamping member 7 is arranged radially within the brake ring 8, it is also conceivable that the brake ring 8 is arranged radially within the clamping member 7.

[0062] Specifically, as in the third embodiment, in conjunction with Figures 17-18As shown, in this embodiment, the third chamber 1c is constructed between the outer peripheral surface of the brake ring 8 and the inner peripheral surface of the clamping member 7, and the wedge-tightening structure is formed by the portion of the outer peripheral surface of the brake ring 8 and the inner peripheral surface of the clamping member 7 located between any adjacent driving protrusions 4b (which are blocked by the elastic member 5 and therefore not shown in the figure). To avoid or reduce the driving internal resistance, a first gap h1 and a second gap h2 as described in the previous embodiment are also provided in this embodiment. However, since the brake ring 8 is arranged radially within the clamping member 7, the positions of these two gaps are different from those in the previous embodiment. In this embodiment, as shown... Figure 18 As shown, the first gap h1 (not shown in the figure) is formed between the side of the drive protrusion 4b of the drive disc 4 facing the brake ring 8 and the outer peripheral surface of the brake ring 8, so that when the drive disc 4 drives the clamping member 7 to rotate, the drive protrusion 4b of the drive disc 4 and the brake ring 8 are in a non-contact state in the radial direction. The second gap h2 (not shown in the figure) is formed between the side of the drive protrusion 4b of the drive disc 4 facing the clamping member 7 and the inner peripheral surface of the clamping member 7, so that during the unlocking process of the roller-elastic member assembly, the drive protrusion 4b of the drive disc 4 and the clamping member 7 are in a non-contact state in the radial direction. To reduce the contact friction between the transmission member 2 and the grooved housing 1, grease (such as...) is also provided in the second chamber 1b. Figure 18 (As shown by the red dashed line in the middle), the support structure 1g and the oil storage tank 1h, the specific structure and cooperation relationship of the support structure 1g and the oil storage tank 1h can be the same as the first embodiment or the second embodiment.

[0063] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0064] In the description of this utility model, it should be understood that the terms "upper", "lower", "vertical", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0065] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

[0066] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. A rotary locking mechanism with an oil reservoir, the rotary locking mechanism being configured to lock and unlock the rotational movement of a rotatable device, characterized in that, The rotary locking mechanism includes: A grooved shell, wherein a first chamber and a second chamber are formed within the grooved shell and are connected along the axial direction; A brake ring and a clamping member are disposed in the first chamber. A third chamber is formed between the brake ring and the clamping member. A plurality of roller-elastic member assemblies are disposed in the third chamber. Each roller-elastic member assembly includes two rollers and an elastic member. A transmission component is disposed in the second chamber. The transmission component is rotatable about the axial direction relative to the grooved housing. A support structure is disposed in the second chamber at a position corresponding to the rotation trajectory of the transmission component. The side of the support structure facing the transmission component protrudes from the inner end face of the grooved housing to form a support surface for supporting the transmission component. A drive disk is disposed within the grooved housing. The drive disk is at least partially housed in the first chamber and at least partially housed in the second chamber. One side of the drive disk is connected to the transmission member so as to rotate with the transmission member. The other side of the drive disk is connected to the clamping member so as to drive the clamping member to rotate when the drive disk rotates. in, The second chamber is provided with grease, and an oil storage tank that can be filled with grease is also provided in the second chamber at a position corresponding to the rotation trajectory of the transmission component. The opening of the oil storage tank faces the transmission component, and the bottom surface of the oil storage tank is lower than the support surface. The surfaces of the brake ring and the clamping member facing each other form a wedge structure. The wedge structure is configured to receive the roller-elastic member assembly and wedge two rollers in the roller-elastic member assembly. A drive protrusion is provided on the other side of the drive disc to cooperate with the roller-elastic member assembly. The drive protrusion extends axially and into the third chamber to contact the roller-elastic member assembly when rotating with the drive disc, thereby releasing the wedge structure from wedge-tightening one of the two rollers in the roller-elastic member assembly.

2. The rotary locking mechanism with an oil reservoir according to claim 1, characterized in that, The rotary locking mechanism is equipped with a drive motor, which can drive the transmission component to rotate.

3. The rotary locking mechanism with an oil reservoir according to claim 2, characterized in that, The transmission component is a gear component that can be fixedly mounted on the drive disk, and the output end of the drive motor is fixedly connected to a rack, which meshes with the gear component.

4. The rotary locking mechanism with an oil reservoir according to claim 3, characterized in that, The grease is disposed between the gear component and the grooved housing to reduce the frictional resistance between the gear component and the grooved housing.

5. The rotary locking mechanism with an oil reservoir according to claim 4, characterized in that, The oil storage tank is configured such that when the transmission component rotates, the grease in the oil storage tank comes into contact with the transmission component and is carried into the space between the transmission component and the support surface of the support structure.

6. The rotary locking mechanism with an oil reservoir according to claim 1, characterized in that, The number of oil storage tanks is multiple, and the multiple oil storage tanks are spaced apart along the rotation trajectory of the transmission component.

7. The rotary locking mechanism with an oil reservoir according to any one of claims 1 to 6, characterized in that, The support structure is a continuous structure that surrounds the rotation trajectory of the transmission component. The oil storage tank is formed on the support structure and extends radially through the support structure.

8. The rotary locking mechanism with an oil reservoir according to any one of claims 1 to 6, characterized in that, The support structure is a plurality of segmented structures spaced apart along the movement trajectory of the transmission component, and the oil storage tank is formed between any two adjacent segments of the support structure.

9. The rotary locking mechanism with an oil reservoir according to claim 1, characterized in that, The brake ring is arranged radially outside the clamping member, and the third chamber is constructed between the inner circumferential surface of the brake ring and the outer circumferential surface of the clamping member, forming the wedge-clamping structure; or The brake ring is arranged radially within the clamping member, and the third chamber is constructed between the outer peripheral surface of the brake ring and the inner peripheral surface of the clamping member, forming the wedge structure by the outer peripheral surface of the brake ring and the inner peripheral surface of the clamping member.

10. A rotating seat, characterized in that, Includes the rotary locking mechanism with an oil reservoir as described in claim 1.

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