Balancing rod crank structure of keyboard satellite shaft
By optimizing the balance bar crank structure of the keyboard satellite axis, and combining it with limit blocks and pressure adjustment components, the problems of key sticking and uneven rebound in traditional keyboards have been solved, thus improving the stability and smoothness of the keys.
Patent Information
- Application Number
- CN202520233219.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Traditional stabilizer bar designs are prone to problems such as key sticking and uneven rebound when the keycaps are subjected to uneven force or assembly errors, which affects the user's typing experience.
It adopts an optimized balance bar crank design, combined with limit blocks, rebound components and pressure adjustment components, to achieve uniform force distribution on the buttons and adjustment of rebound force through the cooperation of the crank bar and spring.
It improves the stability, smoothness, and durability of the buttons, avoiding button jamming and uneven rebound, and meets the usage needs of different users.
Smart Images

Figure CN223809052U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to keyboard satellite axis technical field especially relates to a balance lever crank structure of keyboard satellite axis. BACKGROUND
[0002] With the high -speed development of society economy, all sorts of digital equipment also develops along with it, and the keyboard field is also so. Keyboard is various, such as: modular keyboard, magnetic shaft keyboard, inductive shaft keyboard and capacitive keyboard etc.
[0003] The existing mechanical keyboard big key (such as space bar, enter key etc.) usually uses satellite axis and balance lever design to ensure the balance of key in different pressing position. However, the traditional balance lever is prone to key jamming, uneven rebound when the keycap is unevenly stressed or assembly error, which affects the user's typing experience. Therefore, a balance lever crank structure of keyboard satellite axis is needed to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model discloses a balance lever crank structure of keyboard satellite axis to solve the shortcomings in the prior art. Its advantages are: by optimizing the balance lever to be crank design, the stress of the key is more uniform, and the stability, smoothness and durability of the key are improved.
[0005] In order to achieve the above object, the utility model adopts the following technical scheme:
[0006] A balance lever crank structure of keyboard satellite axis, comprising a base, a support seat is arranged in the base, a support rod is fixedly connected to the top of the support seat, rotating grooves are formed in the two sides of the base, a balance lever body is rotatably connected in the rotating groove, crank rods are fixedly connected to the two ends of the balance lever body, and one end of the crank rod passes through the inside of the support seat.
[0007] A rebound assembly is arranged in the base.
[0008] A pressure regulating assembly is arranged on one side of the base, and the pressure regulating assembly is used for adjusting the rebound force of the rebound assembly.
[0009] Through the above technical scheme: by optimizing the balance lever body to be crank design, the stress of the key is more uniform, and the stability, smoothness and durability of the key are improved.
[0010] The utility model is further provided with a limiting circular block fixedly connected to the circumferential outer wall of the balance lever body, the diameter of the limiting circular block is greater than the inner diameter of the rotating groove, and one side of the limiting circular block is in contact with one side of the rotating groove.
[0011] Through the above technical scheme: the limiting circular block can play a good limiting role, and the balance lever body is prevented from moving horizontally in the rotating groove.
[0012] The utility model further sets up, rebound component includes fixedly connected in the fixed cylinder of base bottom inner wall, the inside of fixed cylinder is connected with the sliding plate of sliding, the top outer wall of sliding plate is fixedly connected with spring, the top of spring is fixedly connected with slide, the top outer wall of slide is opened with the butt joint hole, the bottom outer wall of support base is fixedly connected with movable column, and one end of movable column is inserted in the inside of butt joint hole.
[0013] Through above technical scheme, the spring can provide additional rebound force, avoid the situation of button jamming or uneven rebound.
[0014] The utility model further sets up, the both sides outer wall of base is opened with rectangular groove, the both sides outer wall of support base is fixedly connected with slide post, and slide post passes from the inside of rectangular groove.
[0015] Through above technical scheme, through the cooperation between slide post and rectangular groove, can guarantee the stable lifting of support base in the process of people knocking the keyboard.
[0016] The utility model further sets up, the shell of pressure regulating assembly is fixedly connected in the one side outer wall of base, the bottom inner wall of shell is rotatably connected with screw thread lead screw, the circumferential outer wall of screw thread lead screw is threadedly connected with screw sleeve, the circumferential outer wall of screw sleeve is fixedly connected with reinforcing frame, the one side of reinforcing frame is fixedly connected with horizontal plate, the one side outer wall of horizontal plate is fixedly connected with second connecting column, the circumferential outer wall of fixed cylinder is opened with second through groove, and the end away from horizontal plate of second connecting column is fixedly connected with sliding plate, and one end of second connecting column passes from the inside of second through groove.
[0017] Through above technical scheme, the rebound force of spring can be adjusted, and the use demand of different rebound force of different people is satisfied.
[0018] The utility model further sets up, the circumferential outer wall of screw sleeve is fixedly connected with first connecting column, and the one side outer wall of shell is opened with first through groove, and first connecting column passes from the inside of first through groove.
[0019] Through above technical scheme, through the sliding of first connecting column in first through groove, the vertical movement of screw sleeve can be well limited and guided.
[0020] The utility model further sets up, and one end of first connecting column is fixedly connected with round plate, the circumferential outer wall of round plate is fixedly connected with indicating rod, and the one side of the one side outer wall of shell is provided with scale line, and indicating rod is set up in the one side of scale line.
[0021] Through above technical scheme, people can more intuitively understand the rising or falling height of screw sleeve.
[0022] The utility model further sets up, one end of screw rod is fixedly connected with rotary block from the top of casing.
[0023] Through above technical scheme, people can more easily rotate screw rod.
[0024] The utility model discloses the beneficial effect that:
[0025] 1, the utility model discloses, through the optimization balance lever is curved design, make the force of button more uniform, promote the stability, smoothness and durability of button.
[0026] 2, the utility model discloses, through the spring in rebound component can provide additional rebound force, thereby promoting the rebound efficiency of button, avoids the button to appear button jam or uneven rebound condition.
[0027] 3, the utility model discloses, through the setting pressure regulating component, can adjust the spring elasticity in rebound component, thereby can adjust the rebound intensity when people strike keyboard, satisfy the use demand of different rebound intensity of different crowd. DRAWINGS
[0028] Figure 1 The utility model discloses a kind of balance lever crank structure of keyboard satellite shaft's overall structure schematic diagram of structure proposed in the utility model;
[0029] Figure 2 The utility model discloses a kind of balance lever crank structure of keyboard satellite shaft's base structure schematic diagram of structure proposed in the utility model;
[0030] Figure 3 The utility model discloses a kind of balance lever crank structure of keyboard satellite shaft Figure 2 The utility model discloses a kind of balance lever crank structure of keyboard satellite shaft
[0031] Figure 4 The utility model discloses a kind of balance lever crank structure of keyboard satellite shaft's base half sectional view structure schematic diagram of structure proposed in the utility model;
[0032] Figure 5 The utility model discloses a kind of balance lever crank structure of keyboard satellite shaft Figure 4 The utility model discloses a kind of balance lever crank structure of keyboard satellite shaft
[0033] Figure 6 The utility model discloses a kind of balance lever crank structure of keyboard satellite shaft's fixed cylinder sectional view structure schematic diagram of structure proposed in the utility model.
[0034] In the figure: 1, base; 2, balance pole body; 3, support pole; 4, rotating groove; 5, support seat; 6, crank rod; 7, limiting round block; 8, sliding column; 9, rectangular groove; 10, shell; 11, rotating block; 12, scale; 13, first through groove; 14, round plate; 15, indicating rod; 16, first connecting column; 17, fixed cylinder; 18, movable column; 19, second through groove; 20, cross plate; 21, threaded sleeve; 22, threaded screw; 23, reinforcing frame; 24, second connecting column; 25, spring; 26, sliding seat; 27, butt joint hole; 28, sliding plate. DETAILED DESCRIPTION
[0035] The technical solutions of the patent will be further described in detail below in combination with specific embodiments.
[0036] The embodiments of the patent will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the patent, and cannot be understood as a limitation on the patent.
[0037] In the description of the patent, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the patent and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the patent.
[0038] In the description of the patent, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or can be detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meanings of the above terms in the patent can be understood according to the specific circumstances.
[0039] REFERENCE Figures 1-6The application discloses a balance lever crank structure of a keyboard satellite shaft, which comprises a base 1, the inside of the base 1 is provided with a supporting seat 5, the top of the supporting seat 5 is fixedly connected with a supporting rod 3, both sides of the base 1 are provided with rotating grooves 4, the inside of the rotating grooves 4 is rotatably connected with a balance lever body 2, the balance lever body 2 is made of high-strength steel or alloy, the lever body is treated by rust prevention and low-friction coating, so that the friction and abrasion in the use process are reduced, both ends of the balance lever body 2 are fixedly connected with crank rods 6, one end of the crank rod 6 passes through the inside of the supporting seat 5, the bending angle of the crank rod 6 is 10-30 degrees, the crank rod 6 is connected with the balance lever body 2 by integral molding or welding, the balance lever body 2 is designed as a crank, so that the stress of the key is more uniform, and the stability, smoothness and durability of the key are improved.
[0040] The inside of the base 1 is provided with a rebound assembly.
[0041] One side of the base 1 is provided with a pressure regulating assembly, and the pressure regulating assembly is used for adjusting the rebound degree of the rebound assembly.
[0042] In order to avoid the balance lever body 2 from moving transversely in the rotating groove 4, referring to Figure 2 , the circumferential outer wall of the balance lever body 2 is fixedly connected with a limiting circular block 7, the diameter of the limiting circular block 7 is greater than the inner diameter of the rotating groove 4, one side of the limiting circular block 7 is in contact with one side of the rotating groove 4, the limiting circular block 7 can play a good limiting role, and the balance lever body 2 is prevented from moving transversely in the rotating groove 4.
[0043] In order to improve the rebound efficiency of the key, referring to Figure 6 , the rebound assembly comprises a fixed cylinder 17 fixedly connected to the inner wall of the bottom of the base 1, a sliding plate 28 slidably connected in the inside of the fixed cylinder 17, a spring 25 fixedly connected to the top outer wall of the sliding plate 28, a sliding seat 26 fixedly connected to the top end of the spring 25, a butt joint hole 27 formed in the top outer wall of the sliding seat 26, and a movable column 18 fixedly connected to the bottom outer wall of the supporting seat 5, one end of the movable column 18 is inserted into the inside of the butt joint hole 27, in the process that people press the key, the movable column 18 can transmit the pressing force to the sliding seat 26 and compress the spring 25 in the fixed cylinder 17, when people strike the keyboard, the spring 25 in the compressed state is reset immediately, so that the spring 25 can provide additional rebound force, and the key jamming or uneven rebound can be avoided.
[0044] In order to ensure that the supporting seat 5 can stably lift, referring to Figure 2 Figure 3 , the outer walls of both sides of the base 1 are provided with rectangular grooves 9, the outer walls of both sides of the supporting seat 5 are fixedly connected with sliding columns 8, the sliding columns 8 pass through the inside of the rectangular grooves 9, through the cooperation between the sliding columns 8 and the rectangular grooves 9, the stable lifting of the supporting seat 5 in the process that people strike the keyboard can be ensured.
[0045] In order to be able to adjust the rebound force of the spring 25 in the rebound assembly, with reference to Figure 3 Figure 6 The pressure regulating assembly comprises a shell 10 fixedly connected to one side of the outer wall of the base 1, a threaded sleeve 21 threadedly connected to the outer wall of the threaded lead screw 22, a reinforcing frame 23 fixedly connected to the outer wall of the threaded sleeve 21, a horizontal plate 20 fixedly connected to one side of the reinforcing frame 23, a second connecting column 24 fixedly connected to one side of the horizontal plate 20, a second through slot 19 formed in the outer wall of the fixed cylinder 17, and a sliding plate 28 fixedly connected to the end of the second connecting column 24 away from the horizontal plate 20. One end of the second connecting column 24 passes through the inside of the second through slot 19. During the rotation of the threaded lead screw 22, the threaded sleeve 21 threadedly connected to the outer wall of the threaded lead screw 22 drives the reinforcing frame 23 and the horizontal plate 20 to move. When the horizontal plate 20 moves vertically, it drives the second connecting column 24 and the sliding plate 28 to move up and down together, thereby adjusting the rebound force of the spring 25 and meeting the use requirements of different rebound forces for different groups of people.
[0046] In order to ensure the stable lifting of the threaded sleeve 21, with reference to Figure 3 Figure 5 The outer wall of the threaded sleeve 21 is fixedly connected with a first connecting column 16, and a first through slot 13 is formed in one side of the outer wall of the shell 10. The first connecting column 16 passes through the inside of the first through slot 13. The sliding of the first connecting column 16 in the first through slot 13 can well limit and guide the vertical movement of the threaded sleeve 21.
[0047] In order to facilitate people to more intuitively understand the rising or falling height of the threaded sleeve 21, with reference to Figure 3 One end of the first connecting column 16 is fixedly connected with a circular plate 14, and the outer wall of the circular plate 14 is fixedly connected with an indicating rod 15. One side of the shell 10 is provided with a scale 12, and the indicating rod 15 is arranged on one side of the scale 12, so that people can more intuitively understand the rising or falling height of the threaded sleeve 21.
[0048] In order to facilitate people to more easily rotate the threaded lead screw 22, with reference to Figure 3 One end of the threaded lead screw 22 passing through the top of the shell 10 is fixedly connected with a rotating block 11.
[0049] Working principle: when in use, since the bending angle of the crank rod 6 is 10-30°, the crank rod 6 is connected with the balance lever body 2 by integral molding or welding, so that the force on the key is more uniform, the stability, smoothness and durability of the key are improved, meanwhile, in the process of pressing the key, the lower pressure can be transmitted to the sliding seat 26 through the movable column 18 and the spring 25 in the fixed cylinder 17 is compressed, when people knock the keyboard, the spring 25 in the compressed state will reset immediately, so that the spring 25 can provide additional rebound force, the rebound efficiency of the key is improved, the key jamming or uneven rebound of the key is avoided, meanwhile, people can rotate the rotating block 11 according to the use habit and demand, the threaded screw rod 22 can be driven to rotate through the rotating block 11, in the process of rotating the threaded screw rod 22, the threaded sleeve 21 threaded on the outer wall of the threaded screw rod 22 can drive the reinforcing frame 23 and the horizontal plate 20 to move, when the horizontal plate 20 moves vertically, the second connecting column 24 and the sliding plate 28 can be driven to lift together, so that the rebound force of the spring 25 can be adjusted, the use demand of different rebound force of different groups of people is met.
[0050] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A balance lever crank structure of a keyboard satellite shaft, comprising a base (1), characterized in that, The inside of the base (1) is provided with a support seat (5), the top of the support seat (5) is fixedly connected with a support rod (3), both sides of the base (1) are provided with a rotating groove (4), the inside of the rotating groove (4) is rotatably connected with a balance lever body (2), both ends of the balance lever body (2) are fixedly connected with a crank rod (6), one end of the crank rod (6) passes through the inside of the support seat (5); The inside of the base (1) is provided with a rebound assembly; One side of the base (1) is provided with a pressure regulating assembly, which is used for adjusting the rebounding degree of the rebounding assembly.
2. A balance bar crank structure for a keyboard satellite shaft according to claim 1, wherein The circumferential outer wall of the balance lever body (2) is fixedly connected with a limiting circular block (7), the diameter of the limiting circular block (7) is greater than the inner diameter of the rotating groove (4), and one side of the limiting circular block (7) is in contact with one side of the rotating groove (4).
3. The balance bar crank structure for a keyboard satellite shaft according to claim 1, wherein The rebound assembly comprises a fixed cylinder (17) fixedly connected to the bottom inner wall of the base (1), a sliding plate (28) slidably connected in the fixed cylinder (17), a spring (25) fixedly connected to the top outer wall of the sliding plate (28), a sliding seat (26) fixedly connected to the top end of the spring (25), a butt joint hole (27) formed in the top outer wall of the sliding seat (26), and a movable column (18) fixedly connected to the bottom outer wall of the support seat (5), one end of the movable column (18) being inserted into the butt joint hole (27).
4. A balance bar crank structure for a keyboard satellite shaft according to claim 3, wherein Both side outer walls of the base (1) are provided with a rectangular groove (9), both side outer walls of the support seat (5) are fixedly connected with a sliding column (8), and the sliding column (8) passes through the inside of the rectangular groove (9).
5. A balance bar crank structure for a keyboard satellite shaft according to claim 4, wherein The pressure regulating assembly comprises a shell (10) fixedly connected to one side outer wall of the base (1), a threaded screw rod (22) rotatably connected to the bottom inner wall of the shell (10), a threaded sleeve (21) threadedly connected to the circumferential outer wall of the threaded screw rod (22), a reinforcing frame (23) fixedly connected to the circumferential outer wall of the threaded sleeve (21), a horizontal plate (20) fixedly connected to one side of the reinforcing frame (23), a second connecting column (24) fixedly connected to one side outer wall of the horizontal plate (20), a second through groove (19) formed in the circumferential outer wall of the fixed cylinder (17), and one end of the second connecting column (24) away from the horizontal plate (20) being fixedly connected with the sliding plate (28), and one end of the second connecting column (24) passing through the inside of the second through groove (19).
6. A balance bar crank structure for a keyboard satellite shaft according to claim 5, wherein The circumferential outer wall of the threaded sleeve (21) is fixedly connected with a first connecting column (16), one side outer wall of the shell (10) is provided with a first through groove (13), and the first connecting column (16) passes through the inside of the first through groove (13).
7. A balance beam crank structure for a keyboard satellite shaft according to claim 6, wherein One end of the first connecting column (16) is fixedly connected with a circular plate (14), the circumferential outer wall of the circular plate (14) is fixedly connected with an indicating rod (15), one side outer wall of the shell (10) is provided with a scale (12), and the indicating rod (15) is arranged on one side of the scale (12).
8. A balance bar crank structure for a keyboard satellite shaft according to claim 5, wherein The threaded screw rod (22) is fixedly connected with a rotating block (11) at one end penetrating the top of the shell (10).