Hinge mechanism and machining process thereof

Abstract

The invention relates to the technical field of hinges, in particular to a hinge mechanism and a machining process thereof, and the hinge mechanism comprises a positioning seat and a rotating seat. Wherein a positioning shaft is arranged on the positioning seat; the rotating seat is provided with a rotating sleeve, the rotating sleeve is arranged on the positioning shaft in a sleeving mode, an abutting portion is arranged in the rotating sleeve, and the abutting portion abuts against the positioning shaft. The method and the device have the effect of conveniently realizing accurate positioning.

Description

Technical Field

[0001] The present application relates to the technical field of hinges, and in particular to a hinge mechanism and a processing technology thereof. Background Art

[0002] At present, with the continuous advancement of science and technology, photography technology has developed to a new height. The design of modern cameras pays more and more attention to user experience and convenience of operation. Among them, the rotation mechanism of the camera is a key component to achieve multi-angle shooting. Currently, cameras on the market generally use hinge shafts to realize the rotation function of the camera. This design meets the user's demand for shooting angles to a certain extent.

[0003] Regarding the above-mentioned related technologies: after the hinge shaft is rotated, it is often difficult to maintain a specific angle, so there is a problem of difficulty in achieving precise positioning. Summary of the invention

[0004] In order to facilitate precise positioning, the present application provides a hinge mechanism and a processing technology thereof.

[0005] In a first aspect, the present application provides a hinge mechanism, which adopts the following technical solution: A hinge mechanism, comprising: A positioning seat, wherein a positioning shaft is arranged on the positioning seat; A rotating seat is provided with a rotating sleeve, the rotating sleeve is sleeved on the positioning shaft, an abutment portion is provided inside the rotating sleeve, and the abutment portion abuts against the positioning shaft.

[0006] By adopting the above technical solution, the abutment portion presses against the positioning shaft, which increases the friction force between the abutment portion and the positioning shaft to a certain extent, so that there is a larger friction torque between the abutment portion and the positioning shaft. Therefore, when the rotating seat drives the rotating sleeve to rotate to the specified position, the abutment portion and the positioning shaft cooperate with each other to provide stable support for the rotating sleeve, so as to reduce the possibility of the rotating sleeve shifting after rotating to the specified angle, thereby making it easier to keep the rotating seat at a specific angle to achieve precise positioning.

[0007] Optionally, an abutment groove is provided on the positioning shaft, and the abutment portion can be inserted into the abutment groove.

[0008] By adopting the above technical solution, the abutment portion can be inserted into the abutment groove to limit the rotating sleeve, so that the rotating sleeve stops moving, thereby facilitating the fixing of the rotating seat at a specified position. After the abutment portion is inserted into the abutment groove, the abutment portion no longer abuts against the circumferential side wall of the positioning shaft, so that the force between the abutment portion and the positioning shaft is reduced, which is conducive to reducing the wear between the abutment portion and the positioning shaft, so as to extend the service life of the hinge mechanism.

[0009] Optionally, the positioning shaft is hollow.

[0010] By adopting the above technical solution, the positioning shaft is hollowly arranged, which, on the one hand, reduces the weight of the positioning shaft itself, thereby helping to reduce the weight of the entire hinge mechanism, and on the other hand, reduces the use of materials, thereby reducing production costs to a certain extent.

[0011] Optionally, a through groove is formed on the positioning shaft along its own axial direction so that a cross section is formed on the positioning shaft. When the abutting portion abuts against the circumferential outer wall of the positioning shaft, the two cross sections on the positioning shaft fit together.

[0012] By adopting the above technical scheme, a through groove is opened through the positioning shaft along its own axial direction, which, on the one hand, further reduces the weight and production cost of the positioning shaft itself, and on the other hand, enables the positioning shaft to undergo elastic deformation. Therefore, when the abutment portion abuts against the positioning shaft, the positioning shaft can undergo elastic deformation to make the two cross-sections on the positioning shaft fit together, further improving the abutment force between the positioning shaft and the abutment portion, making it difficult for the rotating sleeve to shift after rotating to a specified angle, thereby helping to improve the stability of the rotating seat to facilitate precise positioning.

[0013] Optionally, a fixing piece is provided on a side of the positioning shaft away from the through slot, and the fixing piece is fixedly connected to the positioning seat.

[0014] By adopting the above technical solution, the fixing part can fix the positioning shaft on the positioning seat, which is helpful to reduce the possibility of displacement of the positioning shaft due to force to ensure that the relative position between the positioning shaft and the positioning seat is not easily changed. On the other hand, it simplifies the connection process between the positioning shaft and the positioning seat, which is convenient for subsequent replacement and maintenance.

[0015] Optionally, an abutment groove is provided on the circumferential outer wall of the positioning shaft, and when the abutment portion is inserted into the abutment groove, two sections on the positioning shaft are separated so that the circumferential outer wall of the positioning shaft fits with the inner wall of the rotating sleeve.

[0016] By adopting the above technical solution, when the abutment portion is inserted into the abutment groove, the force applied to the positioning shaft from the abutment portion is reduced, so that the positioning shaft rebounds, so as to facilitate the separation of the two sections of the positioning shaft, and facilitate the circumferential outer wall of the positioning shaft to fit the inner wall of the rotating sleeve, thereby increasing the contact area between the positioning shaft and the rotating sleeve, which helps to distribute the load more evenly, reduce local stress concentration, and improve the durability and stability of the overall structure. At this time, the positioning shaft and the rotating sleeve are coaxial, so that on the one hand, the relative position between the rotating sleeve and the positioning shaft is not easy to be offset, so as to improve the rotation accuracy between the rotating sleeve and the positioning shaft, and on the other hand, it is conducive to reducing the wear between the abutment portion and the positioning shaft, so as to extend the service life and reduce the maintenance cost.

[0017] Optionally, the cross-section of the abutting portion is semicircular.

[0018] By adopting the above technical solution, the cross-section of the abutment portion is semicircular, which on the one hand enhances the torsion resistance of the abutment portion, so that when the abutment portion and the positioning shaft move relative to each other, the abutment portion can stably abut the positioning shaft; on the other hand, after the abutment portion is inserted into the abutment groove, it can smoothly detach from the abutment groove, which is beneficial to make the relative movement between the rotating sleeve and the positioning shaft smoother.

[0019] Optionally, at least two abutting portions are provided, and the plurality of abutting portions are evenly distributed along the axial direction of the rotating sleeve, and the number of the abutting grooves is equal to the number of the abutting portions and are arranged in one-to-one correspondence.

[0020] By adopting the above technical solution, multiple abutment parts are evenly distributed along the axis direction of the rotating sleeve, which can provide support for the rotating sleeve at multiple positions, thereby improving the rigidity and stability of the rotating sleeve and the rigidity and stability of the overall hinge mechanism, and on the other hand, it provides better symmetry, which helps to balance the forces in various directions, thereby reducing the wear of the abutment parts, the positioning shaft and the rotating sleeve due to uneven forces, and prolonging the service life of the hinge mechanism to a certain extent. In addition, multiple abutment parts cooperate with each other to jointly bear torque, thereby helping to reduce deformation caused by uneven torque.

[0021] Optionally, a groove is provided on the rotating sleeve at a position corresponding to the abutting portion.

[0022] By adopting the above technical solution, the setting of the groove, on the one hand, reduces the weight of the rotating sleeve itself, which is beneficial to reduce the weight of the overall hinge mechanism, and on the other hand, reduces the use of materials, thereby reducing the production cost to a certain extent.

[0023] In a second aspect, the present application provides a processing technology for a hinge mechanism, which adopts the following technical solution: A processing technology for a hinge mechanism comprises the following steps: Provide positioning seat and rotating seat; The positioning shaft is manufactured by cutting; The rotating sleeve is manufactured by stamping so that an abutment portion is formed inside the rotating sleeve, and the rotating sleeve is installed on the rotating seat; The positioning shaft is embedded in the rotating sleeve and fixed on the positioning seat.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. By arranging an abutment portion in the rotating sleeve and making the abutment portion abut against the positioning shaft, the friction force between the abutment portion and the positioning shaft is increased, so that there is a greater friction torque between the abutment portion and the positioning shaft. When the rotating seat drives the rotating sleeve to rotate to a specified position, the abutment portion and the positioning shaft cooperate with each other to provide stable support for the rotating sleeve, thereby reducing the possibility of the rotating sleeve deviating after rotating to a specified angle, thereby facilitating the rotating seat to be kept at a specific angle, so as to achieve precise positioning; 2. By providing a through groove on the positioning shaft and making the positioning shaft hollow, the weight and production cost of the positioning shaft are reduced on the one hand, and on the other hand, when the abutting portion abuts against the positioning shaft, the positioning shaft can be elastically deformed so that the two cross sections on the positioning shaft fit together, further improving the abutting force between the positioning shaft and the abutting portion, so that the rotating sleeve is not easy to deviate after rotating to a specified angle, thereby helping to improve the stability of the rotating seat, so as to achieve precise positioning; 3. An abutment groove is provided on the positioning shaft, so that when the abutment portion is inserted into the abutment groove, the force acting on the positioning shaft from the abutment portion is reduced, so that the positioning shaft rebounds, so that the circumferential outer wall of the positioning shaft fits with the inner wall of the rotating sleeve, increasing the contact area between the positioning shaft and the rotating sleeve, which helps to distribute the load more evenly, reduce local stress concentration, and improve the durability and stability of the overall structure. At this time, the positioning shaft and the rotating sleeve are coaxial, so that on the one hand, the relative position between the rotating sleeve and the positioning shaft is not easy to deviate, so as to improve the rotation accuracy between the rotating sleeve and the positioning shaft, and on the other hand, it is conducive to reducing the wear between the abutment portion and the positioning shaft, so as to extend the service life and reduce the maintenance cost; 4. By arranging a fixing part on the positioning shaft and fixing the fixing part to the positioning seat, it is convenient to fix the positioning shaft on the positioning seat. On the one hand, it is helpful to reduce the possibility of displacement of the positioning shaft due to force to ensure that the relative position between the positioning shaft and the positioning seat is not easy to change. On the other hand, it simplifies the connection process between the positioning shaft and the positioning seat, which is convenient for subsequent replacement and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1It is a schematic diagram of the overall structure of a hinge mechanism in Example 1 of the present application.

[0026] Figure 2 It is a cross-sectional view of the positioning shaft and the rotating sleeve in Example 1 of the present application.

[0027] Figure 3 It is a schematic diagram of the overall structure of a hinge mechanism in Example 2 of the present application.

[0028] Figure 4 It is a cross-sectional view of the positioning shaft and the rotating sleeve in Example 2 of the present application.

[0029] Figure 5 It is a cross-sectional view of the positioning shaft and the rotating sleeve in Example 3 of the present application.

[0030] Figure 6 It is a partial structural diagram of the positioning shaft and the rotating sleeve in Example 3 of the present application.

[0031] Description of reference numerals: 1. Positioning seat; 11. Positioning shaft; 111. Abutment groove; 112. Through groove; 12. Fixing piece; 2. Rotating seat; 21. Rotating sleeve; 211. Abutment portion; 212. Positioning surface; 213. Groove. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-6 This application is described in further detail.

[0033] The embodiment of the present application discloses a hinge mechanism.

[0034] It should be noted that, in the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating orientations or positional relationships are 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 device or element referred to 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.

[0035] Embodiment 1: Reference Figure 1 and Figure 2A hinge mechanism includes a positioning seat 1 and a rotating seat 2. The positioning seat 1 is provided with a positioning shaft 11, and the rotating seat 2 is provided with a rotating sleeve 21. An abutment portion 211 is integrally formed in the rotating sleeve 21, and the rotating sleeve 21 is sleeved on the positioning shaft 11. The abutment portion 211 abuts against the positioning shaft 11. When the rotating seat 2 drives the rotating sleeve 21 to rotate to a specified position, the abutment portion 211 cooperates with the positioning shaft 11 to provide stable support for the rotating sleeve 21, so as to reduce the possibility of the rotating sleeve 21 being offset after rotating to a specified angle, thereby facilitating the rotating seat 2 to be kept at a specific angle, so as to achieve precise positioning.

[0036] In this embodiment, the positioning shaft 11 is fixedly connected to the positioning seat 1 , and an abutment groove 111 is formed on the circumferential side wall of the positioning shaft 11 .

[0037] The rotating seat 2 can drive the abutment part 211 to rotate through the rotating sleeve 21, so that the abutment part 211 is inserted into the abutment groove 111. At this time, the abutment part 211 can limit the rotating sleeve 21 to stop the rotating sleeve 21, thereby facilitating the fixing of the rotating seat 2 at a specified position.

[0038] When the abutment portion 211 is inserted into the abutment groove 111, the abutment portion 211 no longer presses against the circumferential side wall of the positioning shaft 11, so that the force between the abutment portion 211 and the positioning shaft 11 is reduced, which is beneficial to reduce the wear between the abutment portion 211 and the positioning shaft 11 and extend the service life of the hinge mechanism.

[0039] In this embodiment, two opposite positioning surfaces 212 are provided on the circumferential outer wall of the rotating sleeve 21. When the abutting portion 211 is inserted into the abutting groove 111, the two positioning surfaces 212 are flush with the upper surface of the positioning seat 1, so that the positioning surfaces 212 are conveniently used as positioning to ensure that the abutting portion 211 is inserted into the abutting groove 111. In other embodiments, only one positioning surface 212 may be provided.

[0040] Embodiment 2: Reference Figure 3 and Figure 4 The difference between this embodiment and the first embodiment is that the positioning shaft 11 is hollow and the positioning shaft 11 is not provided with abutment groove 111 (refer to Figure 2 ).

[0041] Reference Figure 4 A through groove 112 is formed on the positioning shaft 11 along its own axial direction, so that a cross section is formed on the positioning shaft 11, thereby reducing the weight of the positioning shaft 11 itself on the one hand, thereby reducing the weight of the overall hinge mechanism, and on the other hand, reducing the use of materials, thereby reducing the production cost to a certain extent.

[0042] Reference Figure 3 and Figure 4 The through slot 112 provides a deformation space for the positioning shaft 11, so that when the abutting portion 211 abuts against the positioning shaft 11, the positioning shaft 11 can be elastically deformed to make the two cross sections on the positioning shaft 11 fit together. At this time, the positioning shaft 11 has a tendency to rebound, which is conducive to improving the abutting force between the positioning shaft 11 and the abutting portion 211, so that the rotating sleeve 21 is not easy to deviate after rotating to a specified angle, and the stability of the rotating seat 2 is further improved.

[0043] When the two sections on the positioning shaft 11 fit together, the abutment portion 211 can pass through the fitting position of the two sections, which helps to reduce the possibility of the abutment portion 211 being stuck when passing through the through groove 112, allowing the rotating sleeve 21 to rotate smoothly, thereby helping to improve the rotation flexibility of the rotating seat 2.

[0044] Reference Figure 3 A fixing member 12 is provided on the side of the positioning shaft 11 away from the through slot 112, and the fixing member 12 is fixedly connected to the positioning seat 1, thereby reducing the possibility of displacement of the positioning shaft 11 due to force, so as to ensure that the relative position between the positioning shaft 11 and the positioning seat 1 is not easily changed. Moreover, the setting of the fixing member 12 will not interfere with the elastic deformation of the positioning shaft 11, thereby ensuring the stable operation of the positioning shaft 11.

[0045] In this embodiment, the fixing member 12 is a screw, thereby simplifying the connection process between the positioning shaft 11 and the positioning seat 1 and facilitating subsequent replacement and maintenance.

[0046] Embodiment 3: Reference Figure 5 The difference between this embodiment and the second embodiment is that an abutment groove 111 is provided on the circumferential outer wall of the positioning shaft 11 .

[0047] When the abutment portion 211 is inserted into the abutment groove 111, the force acting on the positioning shaft 11 from the abutment portion 211 is reduced, so that the positioning shaft 11 rebounds, so as to facilitate the separation of the two sections of the positioning shaft 11, and facilitate the circumferential outer wall of the positioning shaft 11 to fit with the inner wall of the rotating sleeve 21, thereby increasing the contact area between the positioning shaft 11 and the rotating sleeve 21, which helps to distribute the load more evenly, reduce local stress concentration, and improve the durability and stability of the overall structure.

[0048] When the abutment portion 211 is inserted into the abutment groove 111, the positioning shaft 11 is coaxial with the rotating sleeve 21, so that on the one hand, the relative position between the rotating sleeve 21 and the positioning shaft 11 is not easily offset, so as to improve the rotation accuracy between the rotating sleeve 21 and the positioning shaft 11, and on the other hand, it is beneficial to reduce the wear between the abutment portion 211 and the positioning shaft 11, so as to extend the service life and reduce the maintenance cost.

[0049] In this embodiment, the cross-section of the abutment portion 211 is semicircular, which on the one hand enhances the torsion resistance of the abutment portion 211, so that when the abutment portion 211 and the positioning shaft 11 move relative to each other, the abutment portion 211 can stably abut the positioning shaft 11; on the other hand, after the abutment portion 211 is inserted into the abutment groove 111, it can smoothly detach from the abutment groove 111, which is beneficial to make the relative movement between the rotating sleeve 21 and the positioning shaft 11 smoother.

[0050] At least two abutting portions 211 are provided, and the plurality of abutting portions 211 are evenly distributed along the axial direction of the rotating sleeve 21 , and the number of the abutting grooves 111 is equal to the number of the abutting portions 211 and are provided one-to-one in correspondence.

[0051] The multiple abutment portions 211 cooperate with each other. On the one hand, they can provide support for the rotating sleeve 21 at multiple positions, which is beneficial to improve the rigidity and stability of the rotating sleeve 21, so as to improve the rigidity and stability of the overall hinge mechanism. On the other hand, they provide better symmetry, which helps to balance the forces in various directions, so as to reduce the wear of the abutment portions 211, the positioning shaft 11 and the rotating sleeve 21 due to uneven force, thereby extending the service life of the hinge mechanism to a certain extent.

[0052] Reference Figure 5 and Figure 6 A groove 213 is provided on the circumferential outer wall of the rotating sleeve 21 at a position corresponding to the abutment portion 211, thereby reducing the weight of the rotating sleeve 21 itself to reduce the weight of the entire hinge mechanism, and on the other hand, reducing the use of materials, thereby reducing the production cost to a certain extent.

[0053] In this embodiment, the hinge mechanism is applied to the camera field. In other embodiments, the hinge mechanism can also be applied to the earphone field.

[0054] The embodiment of the present application also discloses a processing technology of a hinge mechanism, comprising the following steps: Select suitable materials to make the positioning seat 1 and the rotating seat 2; Providing a pipe material, and processing the pipe material by cutting to manufacture a positioning shaft 11; Providing a pipe material, and processing the pipe material by stamping to manufacture a rotating sleeve 21, and forming an abutting portion 211 in the rotating sleeve 21; Weld the rotating sleeve 21 onto the rotating seat 2; The positioning shaft 11 is embedded in the rotating sleeve 21, and the positioning shaft 11 is fixed on the positioning seat 1 by screws; Complete the processing of the hinge mechanism.

[0055] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A hinge mechanism, characterized in that: include: A positioning seat (1), wherein a positioning shaft (11) is provided on the positioning seat (1); A rotating seat (2), wherein a rotating sleeve (21) is provided on the rotating seat (2), the rotating sleeve (21) is sleeved on the positioning shaft (11), an abutment portion (211) is provided inside the rotating sleeve (21), and the abutment portion (211) is tightly abutted against the positioning shaft (11).

2. The hinge mechanism according to claim 1, characterized in that: An abutment groove (111) is provided on the positioning shaft (11), and the abutment portion (211) can be inserted into the abutment groove (111).

3. The hinge mechanism according to claim 1, characterized in that: The positioning shaft (11) is hollow.

4. The hinge mechanism according to claim 3, characterized in that: The positioning shaft (11) is provided with a through groove (112) extending along its own axial direction, so that a cross section is formed on the positioning shaft (11); when the abutment portion (211) abuts against the circumferential outer wall of the positioning shaft (11), the two cross sections on the positioning shaft (11) fit together.

5. The hinge mechanism according to claim 4, characterized in that: A fixing member (12) is provided on a side of the positioning shaft (11) away from the through slot (112), and the fixing member (12) is fixedly connected to the positioning seat (1).

6. The hinge mechanism according to claim 4, characterized in that: An abutment groove (111) is provided on the circumferential outer wall of the positioning shaft (11); when the abutment portion (211) is inserted into the abutment groove (111), two cross sections on the positioning shaft (11) are separated, so that the circumferential outer wall of the positioning shaft (11) fits against the inner wall of the rotating sleeve (21).

7. The hinge mechanism according to claim 2 or 6, characterized in that: The cross section of the abutting portion (211) is semicircular.

8. The hinge mechanism according to claim 2 or 6, characterized in that: At least two abutment portions (211) are provided, and the plurality of abutment portions (211) are evenly distributed along the axial direction of the rotating sleeve (21), and the number of abutment grooves (111) is equal to the number of abutment portions (211) and are provided in one-to-one correspondence.

9. The hinge mechanism according to claim 1, characterized in that: A groove (213) is provided on the rotating sleeve (21) at a position corresponding to the abutting portion (211).

10. A processing technology for a hinge mechanism, characterized in that: The following steps are involved: Providing a positioning seat (1) and a rotating seat (2); The positioning shaft (11) is manufactured by cutting; The rotating sleeve (21) is manufactured by stamping so that an abutment portion (211) is formed inside the rotating sleeve (21), and the rotating sleeve (21) is mounted on the rotating seat (2); The positioning shaft (11) is embedded in the rotating sleeve (21), and the positioning shaft (11) is fixed on the positioning seat (1).

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