Hinge component with adjustable damping

Abstract

The utility model discloses a hinge component with adjustable damping, which is characterized by comprising a base, a gear shaft, a fixed plate, a first swing arm, a sliding plate, a first elastic piece and an adjusting nut, one end of the gear shaft is rotationally connected with the base; the fixing plate is sleeved on the gear shaft; the first swing arm sleeves the gear shaft and rotates along with the gear shaft; the sliding plate is slidably arranged on the gear shaft in a sleeving mode and can rotate relative to the gear shaft, a concave-convex structure is arranged on the first swing arm, and a matching structure matched with the concave-convex structure is arranged on the sliding plate; the two ends of the first elastic piece abut against the face, away from the first swing arm, of the sliding plate and the fixing plate. The adjusting nut is in threaded fit with the end, away from the base, of the gear shaft and abuts against the face, away from the first elastic piece, of the fixing plate. The extrusion degree of the first elastic piece can be changed by rotating the adjusting nut, so that the rotation damping of the first swing arm relative to the base is adjusted, and the production yield of the hinge component with the adjustable damping is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic devices, in particular to a hinge component with adjustable damping. Background Art

[0002] At present, folding terminal devices (such as folding mobile phones, folding tablet computers, etc.) often need to use hinge components. In the manufacturing process of the existing hinge components of folding terminal devices, it is difficult to control the damping coefficient of the products, and the damping coefficient cannot be adjusted after manufacturing, resulting in many products not meeting the damping coefficient requirements. Therefore, it is necessary to design a hinge component with adjustable damping to improve the product yield. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a hinge component with adjustable damping.

[0004] To solve the above technical problem, the technical solution adopted by the utility model is: a hinge component with adjustable damping, comprising:

[0005] A base;

[0006] Two gear shafts, one end of each of the two gear shafts is rotatably connected to the base;

[0007] Two transmission gears, one end of each of the two transmission gears is rotatably connected to the base, the two transmission gears are meshed with each other, and the two transmission gears are respectively meshed with the two gear shafts;

[0008] A fixing plate, the fixing plate is sleeved on the two gear shafts;

[0009] Two first swing arms, the two first swing arms are respectively sleeved on the two gear shafts, and the first swing arms rotate following the gear shafts;

[0010] A sliding plate, the sliding plate is slidably sleeved on the two gear shafts, the gear shafts are rotatable relative to the sliding plate, the first swing arm is provided with a concave-convex structure, and the sliding plate is provided with a matching structure matching with the concave-convex structure;

[0011] A first elastic member, the first elastic member is sleeved on the gear shaft, and two ends of the first elastic member respectively abut against a surface of the sliding plate away from the first swing arm and the fixing plate;

[0012] An adjusting nut, the adjusting nut is in threaded cooperation with an end of the gear shaft away from the base, and the adjusting nut abuts against a surface of the fixing plate away from the first elastic member.

[0013] Furthermore, sliding plates are respectively arranged at two ends of the swing arm.

[0014] Further, it further includes a snap ring, and the snap ring is sleeved on one side of the transmission gear and / or the gear shaft close to the base.

[0015] Further, it further includes a second elastic member. The first swing arm includes a connecting portion and two sleeve portions provided on one side of the connecting portion. Both of the two sleeve portions are sleeved on the gear shaft. Concavo-convex structures are provided on both of the two sleeve portions. The second elastic member and two sliding plates are provided between the two sleeve portions. The two sliding plates are respectively matched with the two sleeve portions, and two ends of the second elastic member respectively abut against the two sliding plates.

[0016] Further, the first elastic member and / or the second elastic member is a spring, a spring piece or a spring washer.

[0017] Further, it further includes a housing connecting rod. A slot is provided on the housing connecting rod. The first swing arm is inserted and matched with the slot. A plurality of connecting holes are further provided on the housing connecting rod.

[0018] Further, it further includes a second swing arm. An arc-shaped guide groove and an arc-shaped protrusion matched with the arc-shaped guide groove are respectively provided on the base and the second swing arm. The second swing arm is connected to the first swing arm through the housing connecting rod.

[0019] Further, it further includes a pin shaft. Pin holes matched with the pin shaft are provided on both the second swing arm and the housing connecting rod.

[0020] Further, a first mounting hole is provided on the fixing plate.

[0021] Further, a second mounting hole is provided on the base.

[0022] The beneficial effect of the present utility model lies in that: in the adjustable-damping hinge component, two first swing arms rotate synchronously through the sequential meshing of two transmission gears and two gear shafts, and the first elastic member, the matching structure and the concavo-convex structure are utilized to enable the first swing arm to be subjected to a resistance force when rotating relative to the base. By rotating the adjusting nut, the degree of extrusion of the first elastic member can be changed, so as to adjust the damping of the first swing arm rotating relative to the base, which is beneficial to improving the production yield of the adjustable-damping hinge component. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the adjustable-damping hinge component according to Embodiment 1 of the present utility model;

[0024] Figure 2 It is an exploded view of the adjustable-damping hinge component according to Embodiment 1 of the present utility model.

[0025] Label description:

[0026] 1. Base; 11. Arc-shaped guiding groove; 12. Second mounting hole;

[0027] 2. Gear shaft; 21. Adjusting nut;

[0028] 3. Gear; 31. Snap ring;

[0029] 4. Fixed plate; 41. First mounting hole;

[0030] 5. First swing arm; 51. Connecting part; 52. Sleeve part; 521. Concave-convex structure;

[0031] 6. Sliding plate; 61. Matching structure;

[0032] 7a. First elastic member; 7b. Second elastic member;

[0033] 8. Housing connecting rod; 81. Slot; 82. Connecting hole;

[0034] 9. Second swing arm; 91. Arc-shaped protrusion; 92. Pin shaft. Detailed implementation mode

[0035] To describe in detail the technical content, achieved purpose and effects of the present utility model, the following is described in conjunction with the implementation modes and accompanied by the drawings.

[0036] Please refer to Figure 1 and Figure 2 , an adjustable damping hinge component, comprising:

[0037] Base 1;

[0038] Two gear shafts 2, one end of each of the two gear shafts 2 is rotatably connected to the base 1;

[0039] Two transmission gears 3, one end of each of the two transmission gears 3 is rotatably connected to the base 1, the two transmission gears 3 mesh with each other, and the two transmission gears 3 are respectively meshed with the two gear shafts 2;

[0040] Fixed plate 4, the fixed plate 4 is sleeved on the two gear shafts 2;

[0041] Two first swing arms 5, the two first swing arms 5 are respectively sleeved on the two gear shafts 2, and the first swing arm 5 rotates following the gear shaft 2;

[0042] Sliding plate 6, the sliding plate 6 is slidably sleeved on the two gear shafts 2, the gear shaft 2 is rotatable relative to the sliding plate 6, the first swing arm 5 is provided with a concave-convex structure 521, and the sliding plate 6 is provided with a matching structure 61 that matches the concave-convex structure 521;

[0043] A first elastic member 7a, the first elastic member 7a is sleeved on the gear shaft 2, and two ends of the first elastic member 7a respectively abut against one surface of the sliding plate 6 away from the first swing arm 5 and the fixing plate 4;

[0044] An adjusting nut 21, the adjusting nut 21 is in threaded fit with one end of the gear shaft 2 away from the base 1, and the adjusting nut 21 abuts against one surface of the fixing plate 4 away from the first elastic member 7a.

[0045] As can be seen from the above description, the beneficial effects of the present utility model are as follows: The hinge component with adjustable damping enables the two first swing arms 5 to rotate synchronously through the sequential meshing of two transmission gears 3 and two gear shafts 2, and uses the first elastic member 7a, the matching structure 61 and the concave-convex structure 521 to make the first swing arm 5 subject to a resistance force when rotating relative to the base 1. By rotating the adjusting nut 21, the degree of extrusion of the first elastic member 7a can be changed, thereby adjusting the damping of the first swing arm 5 rotating relative to the base 1, which is beneficial to improving the production yield of the hinge component with adjustable damping.

[0046] Further, the sliding plates 6 are respectively arranged at two ends of the swing arm.

[0047] As can be seen from the above description, arranging multiple sliding plates 6 can increase the damping coefficient of the hinge component with adjustable damping.

[0048] Further, it further includes a circlip 31, and the circlip 31 is sleeved on one surface of the transmission gear 3 and / or the gear shaft 2 close to the base 1.

[0049] As can be seen from the above description, the circlip 31 can prevent the transmission gear 3 and / or the gear shaft 2 from rubbing against the base 1, which is beneficial to reducing component wear.

[0050] Further, it further includes a second elastic member 7b. The first swing arm 5 includes a connecting portion 51 and two sleeve portions 52 arranged on one side of the connecting portion 51. Both of the two sleeve portions 52 are sleeved on the gear shaft 2, and the concave-convex structures 521 are arranged on both of the two sleeve portions 52. A second elastic member 7b and two sliding plates 6 are arranged between the two sleeve portions 52. The two sliding plates 6 are respectively matched with the two sleeve portions 52, and two ends of the second elastic member 7b respectively abut against the two sliding plates 6.

[0051] As can be seen from the above description, arranging the sliding plate 6 and the second elastic member 7b between the two sleeve portions 52 can further increase the damping coefficient of the hinge component with adjustable damping.

[0052] Further, the first elastic member 7a and / or the second elastic member 7b is a spring, a spring sheet or a spring washer.

[0053] As can be seen from the above description, the type of the first elastic member 7a and / or the second elastic member 7b can be selected according to actual usage requirements or production conditions.

[0054] Further, it further includes a housing link 8. A slot 81 is provided on the housing link 8. The first swing arm 5 is inserted and cooperated with the slot 81. A plurality of connection holes 82 are further provided on the housing link 8.

[0055] As can be seen from the above description, the first swing arm 5 is connected to other components of other terminal devices through the housing link 8.

[0056] Further, it further includes a second swing arm 9. Arc-shaped guide grooves 11 and arc-shaped protrusions 91 that cooperate with the arc-shaped guide grooves 11 are respectively provided on the base 1 and the second swing arm 9. The second swing arm 9 is connected to the first swing arm 5 through the housing link 8.

[0057] As can be seen from the above description, the cooperation of the arc-shaped guide grooves 11 and the arc-shaped protrusions 91 can guide the first swing arm 5 and the second swing arm 9, improving the movement accuracy and stability of the first swing arm 5 and the second swing arm 9.

[0058] Further, it further includes a pin shaft 92. Pin holes that cooperate with the pin shaft 92 are provided on both the second swing arm 9 and the housing link 8.

[0059] As can be seen from the above description, the connection method between the second swing arm 9 and the housing link 8 is simple and convenient for assembly.

[0060] Further, a first mounting hole 41 is provided on the fixing plate 4.

[0061] As can be seen from the above description, the first mounting hole 41 can allow a screw to pass through so that the hinge component with adjustable damping can be fixedly installed inside the terminal device.

[0062] Further, a second mounting hole 12 is provided on the base 1.

[0063] As can be seen from the above description, the second mounting hole 12 can allow a screw to pass through so that the hinge component with adjustable damping can be fixedly installed inside the terminal device.

[0064] Please refer to Figure 1 and Figure 2 , Embodiment 1 of the present utility model is: A hinge component with adjustable damping, including: a base 1, a gear shaft 2, a transmission gear 3, a fixing plate 4, a first swing arm 5, a sliding plate 6, a first elastic member 7a, and an adjusting nut 21, wherein the number of the gear shaft 2, the transmission gear 3, and the first swing arm 5 is two.

[0065] One end of each of the two gear shafts 2 is rotatably connected to the base 1. Specifically, the gear shaft 2 includes a long column and a tooth portion provided at one end of the long column. A protruding first rotating shaft is provided at the end of the long column where the tooth portion is located, and a first shaft hole matching the first rotating shaft is provided on the base 1. In other embodiments, it is also feasible that one end of the gear shaft 2 is provided with a first shaft hole, and the base 1 is provided with a first rotating shaft matching the first shaft hole.

[0066] One end of each of the two transmission gears 3 is rotatably connected to the base 1. The two transmission gears 3 mesh with each other, and the two transmission gears 3 respectively mesh with the tooth portions of the two gear shafts 2. Specifically, a protruding second rotating shaft is provided at one end of the transmission gear 3, and a second shaft hole matching the second rotating shaft is provided on the base 1. In other embodiments, it is also feasible that one end of the transmission gear 3 is provided with a protruding second shaft hole, and the base 1 is provided with a second rotating shaft matching the second shaft hole.

[0067] The fixing plate 4 is sleeved on the two gear shafts 2. In this embodiment, the number of the fixing plates 4 is two. Two first through holes are formed on the fixing plate 4, and the fixing plate 4 is sleeved on the two gear shafts 2 through the two first through holes.

[0068] The two first swing arms 5 are respectively sleeved on the two gear shafts 2, and the first swing arms 5 rotate following the gear shafts 2. Specifically, the two first swing arms 5 are both arranged between the two fixing plates 4. The first swing arm 5 includes a connecting portion 51 and two sleeve portions 52 provided on one side of the connecting portion 51. The two sleeve portions 52 are both sleeved on the long column of the gear shaft 2. The cross section of the long column of the gear shaft 2 is non-circular, and the sleeve portion 52 matches the shape of the long column of the gear shaft 2.

[0069] The sliding plate 6 is slidably sleeved on the two gear shafts 2. The gear shaft 2 is rotatable relative to the sliding plate 6. An uneven structure 521 is provided on the first swing arm 5, and a matching structure 61 matching the uneven structure 521 is provided on the sliding plate 6. Specifically, the sliding plate 6 is arranged between the two fixing plates 4. A circular through hole for the two gear shafts 2 to pass through is formed on the sliding plate 6. The sliding plates 6 are respectively provided at both ends of the swing arm. The uneven structure 521 is composed of a plurality of teeth evenly distributed around the axial direction of the gear shaft 2, and the matching structure 61 is composed of a plurality of teeth evenly distributed around the axial direction of the circular through hole of the sliding plate 6. Optionally, the teeth are isosceles trapezoids or isosceles triangles. The number of the matching structures 61 on the two sliding plates 6 respectively arranged at both ends of the first swing arm 5 is equal to the number of the first swing arms 5.

[0070] The first elastic member 7a is sleeved on the gear shaft 2. The two ends of the first elastic member 7a respectively abut against one side of the sliding plate 6 away from the first swing arm 5 and the fixing plate 4. In this embodiment, the first elastic member 7a is a spring, and the first elastic members 7a are both provided on the two gear shafts 2. The first elastic member 7a is arranged between the two fixing plates 4. In other embodiments, the first elastic member 7a can be set as a spring piece or a spring pad.

[0071] The adjusting nut 21 is in threaded fit with one end of the gear shaft 2 away from the base 1, and the adjusting nut 21 abuts against one side of the fixing plate 4 away from the first elastic member 7a. Specifically, the number of the adjusting nuts 21 is set in one-to-one correspondence with the number of the gear shafts 2. It is easy to understand that by screwing the adjusting nut 21, the position of the first fixing plate 4 on the gear shaft 2 can be changed, so as to change the degree of extrusion of the first elastic member 7a, and further adjust the damping of the rotation of the first swing arm 5 relative to the base 1, which is beneficial to improving the production yield of the hinge component with adjustable damping.

[0072] The hinge component with adjustable damping further includes a snap ring 31, and the snap ring 31 is sleeved on one side of the transmission gear 3 and / or the gear shaft 2 close to the base 1. Specifically, a through hole or a through groove for the second rotating shaft of the transmission gear 3 and / or the first rotating shaft of the gear shaft 2 to pass through is formed on the snap ring 31.

[0073] The hinge component with adjustable damping further includes a second elastic member 7b. Concavo-convex structures 521 are provided at both ends of the two sleeve parts 52. A second elastic member 7b and two sliding plates 6 are provided between the two sleeve parts 52. The two sliding plates 6 are respectively matched with the two sleeve parts 52, and both ends of the second elastic member 7b abut against the two sliding plates 6. In this embodiment, the second elastic member 7b is a spring, and the second elastic member 7b is provided on both of the two gear shafts 2. In other embodiments, the second elastic member 7b can be set as a spring piece or a spring washer.

[0074] The hinge component with adjustable damping further includes a housing connecting rod 8. A slot 81 is provided on the housing connecting rod 8, and the first swing arm 5 is in plug-in fit with the slot 81. A plurality of connecting holes 82 are further provided on the housing connecting rod 8. Specifically, the connecting portion 51 of the first swing arm 5 is adapted to the shape of the slot 81, the connecting portion 51 of the first swing arm 5 is inserted into the slot 81, and the extending direction of the slot 81 is perpendicular to the axial direction of the gear shaft 2. The connecting holes 82 are used for screws to pass through so as to connect the hinge component with adjustable damping to other components of the terminal device.

[0075] The hinge component with adjustable damping further includes a second swing arm 9. Arc-shaped guide grooves 11 and arc-shaped protrusions 91 matched with the arc-shaped guide grooves 11 are respectively provided on the base 1 and the second swing arm 9. The second swing arm 9 is connected to the first swing arm 5 through the housing connecting rod 8. Specifically, the hinge component with adjustable damping further includes a pin shaft 92. Pin holes matched with the pin shaft 92 are provided on both the second swing arm 9 and the housing connecting rod 8. Both the pin shaft 92 and the pin holes are cylindrical, and the axial direction of the pin shaft 92 is parallel to the axial direction of the gear shaft 2.

[0076] In order to fixedly install the hinge component with adjustable damping in the terminal device, a first mounting hole 41 is provided on the fixing plate 4, and a second mounting hole 12 is provided on the base 1. Both the first mounting hole 41 and the second mounting hole 12 are used for screws to pass through.

[0077] In summary, the hinge component with adjustable damping provided by the present utility model enables the two first swing arms to rotate synchronously through the sequential meshing of two transmission gears and two gear shafts, and utilizes the first elastic member, the matching structure and the concave-convex structure to enable the first swing arm to be subjected to a resistance force when rotating relative to the base. By rotating the adjusting nut, the degree of extrusion of the first elastic member can be changed, thereby adjusting the damping of the first swing arm rotating relative to the base, which is beneficial to improving the production yield of the hinge component with adjustable damping of the present utility model.

[0078] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in the relevant technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. An adjustable damping hinge component, characterized in that, Comprising: Base; Two gear shafts, one end of each of the two gear shafts is rotatably connected to the base; Two transmission gears, one end of each of the two transmission gears is rotatably connected to the base, the two transmission gears mesh with each other, and the two transmission gears respectively mesh with the two gear shafts; Fixing plate, the fixing plate is sleeved on the two gear shafts; Two first swing arms, the two first swing arms are respectively sleeved on the two gear shafts, and the first swing arm rotates following the gear shaft; Sliding plate, the sliding plate is slidably sleeved on the two gear shafts, the gear shaft is rotatable relative to the sliding plate, the first swing arm is provided with a concave-convex structure, and the sliding plate is provided with a matching structure cooperating with the concave-convex structure; First elastic member, the first elastic member is sleeved on the gear shaft, and two ends of the first elastic member respectively abut against a surface of the sliding plate away from the first swing arm and the fixing plate; Adjusting nut, the adjusting nut is in threaded cooperation with an end of the gear shaft away from the base, and the adjusting nut abuts against a surface of the fixing plate away from the first elastic member.

2. The adjustable damping hinge component according to claim 1, wherein: Both ends of the swing arm are provided with the sliding plate.

3. The adjustable damping hinge component according to claim 1, wherein: Further comprising a circlip, the circlip is sleeved on a surface of the transmission gear and / or the gear shaft close to the base.

4. The hinge component with adjustable damping according to claim 1, wherein: Further comprising a second elastic member, the first swing arm includes a connecting portion and two sleeve portions provided on one side of the connecting portion, the two sleeve portions are both sleeved on the gear shaft, the two sleeve portions are both provided with the concave-convex structure, a second elastic member and two sliding plates are provided between the two sleeve portions, the two sliding plates respectively cooperate with the two sleeve portions, and two ends of the second elastic member respectively abut against the two sliding plates.

5. The hinge component with adjustable damping according to claim 4, characterized in that: The first elastic member and / or the second elastic member is a spring, a shrapnel or a spring washer.

6. The hinge component with adjustable damping according to claim 1, characterized in that: Further comprising a housing connecting rod, the housing connecting rod is provided with a slot, the first swing arm is in plug-in fit with the slot, and the housing connecting rod is further provided with a plurality of connecting holes.

7. The hinge component with adjustable damping according to claim 6, characterized in that: Further comprising a second swing arm, an arc-shaped guide groove and an arc-shaped protrusion cooperating with the arc-shaped guide groove are respectively provided on the base and the second swing arm, and the second swing arm is connected to the first swing arm through the housing connecting rod.

8. The adjustable damping hinge component according to claim 7, characterized in that: Further comprising a pin shaft, pin holes cooperating with the pin shaft are respectively provided on the second swing arm and the housing connecting rod.

9. The adjustable damping hinge component according to claim 1, wherein: The fixing plate is provided with a first mounting hole.

10. The adjustable damping hinge component according to claim 1, characterized in that: The base is provided with a second mounting hole.

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