Self-adaptable clamping vehicle-mounted cup holder

Abstract

The utility model relates to a kind of self-adaptive clamping's vehicle-mounted cup holder.It solves the technical problems that the existing gear and rack can be worn and the jamming phenomenon can occur during clamping process after long time use etc., including cup holder pedestal with placing cavity, cup holder pedestal upper end is equipped with inlet, cup holder pedestal is equipped with cup holder boss by vertical elastic movable connection structure inside, several bending clamping connecting rods are movably arranged on the circumferential outer side of cup holder boss by connecting rod drive mechanism, and the one end of clamping connecting rod has clamping part and the other end is movably connected with the hollow slot arranged on the outer side of cup holder pedestal respectively.The advantage is that: the layout of each component is compact and the division of labor is clear, the cylindrical structure of cup holder pedestal provides stable support, the uniform distribution of hollow slot ensures the force balance of clamping connecting rod, the L-shaped design of clamping connecting rod, the hinge mode of connecting part and hollow slot, etc., to ensure the effective transmission of force and the smooth realization of clamping action.

Description

Technical Field

[0001] This utility model belongs to the technical field of in-vehicle cup holder devices, specifically relating to an adaptively clampable in-vehicle cup holder. Background Technology

[0002] As cars become increasingly common in daily life, people are paying more and more attention to the functionality and comfort of car interiors. As a frequently used component in car interiors, the importance of cup holders is self-evident. Existing cup holders often use size-limiting mechanisms or side-mounted clamping mechanisms to prevent cups from wobbling within the holder. However, these clamping forces are limited, and the clamping mechanism can interfere with cup placement, making them inconvenient. To facilitate cup placement, gears and racks are used to drive the clamping mechanism, improving flexibility. However, after prolonged use, the gears and racks wear down, leading to jamming during clamping.

[0003] To address the shortcomings of existing technologies, people have conducted long-term explorations and proposed various solutions. For example, Chinese patent literature discloses a vehicle-mounted gravity-sensing cup holder [201911096306.0], which includes a body, a clamping mechanism, and a sensing mechanism; wherein, the body is used to accommodate a cup; the clamping mechanism is used to clamp or release the cup; the sensing mechanism is kinetically connected to the clamping mechanism, and is used to drive the clamping mechanism to clamp the cup when the cup is sensed to be placed into the body; and to drive the clamping mechanism to release the cup when the cup is sensed to be removed from the body.

[0004] The above solution has solved the problem of inconvenience in using existing car cup holders to some extent, but it still has many shortcomings. For example, the gears and racks will wear out and may cause jamming during use after a long period of time. Summary of the Invention

[0005] The purpose of this invention is to address the above-mentioned problems by providing an adaptively clampable car cup holder.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an adaptive clamping vehicle cup holder, comprising a cup holder base with a placement cavity, wherein the upper end of the cup holder base is provided with an inlet communicating with the placement cavity, and the cup holder base is provided with a cup holder boss that can move downward along the axial direction of the cup holder base when subjected to a vertically downward external force via a vertically elastic movable connection structure, wherein the cup holder boss is provided with a plurality of bent clamping links on the outer circumference via a linkage drive mechanism, which can swing toward the central axis above the cup holder boss when the cup holder boss moves vertically downward, wherein one end of the clamping link has a clamping part and the other end is movably connected to a hollow groove provided on the outer side of the cup holder base.

[0007] In the aforementioned adaptive clamping vehicle cup holder, the cup holder base is cylindrical, and its lower end is closed by a base plate. The perforated slots are vertically arranged on the outer circumference of the cup holder base and evenly distributed, penetrating both the outer and inner walls of the cup holder base. The cylindrical base adapts to the placement of the cup, the evenly distributed perforated slots provide a symmetrical mounting base for the clamping linkage, and the through-type design ensures sufficient space for linkage movement, demonstrating the adaptability of structure and function.

[0008] In the aforementioned adaptive clamping car cup holder, there are several clamping links, all of which are L-shaped. The cup holder protrusion is disc-shaped, and the clamping links are evenly distributed circumferentially on the outer side of the cup holder protrusion, with each clamping link corresponding to a slot. This ensures the coordination and stability of each component during movement, providing a foundation for the reliable operation of the device.

[0009] In the aforementioned adaptive clamping car cup holder, the clamping link includes a long straight portion, one end of which is connected to a connecting portion via an arc-shaped bend, and the end of the connecting portion away from the arc-shaped bend has a short straight portion extending in the same direction as the long straight portion. The connecting portion passes through a hollow groove and is hinged to the hollow groove.

[0010] In the aforementioned adaptive clamping car cup holder, the clamping part is inclined at one end of the long, straight portion. An anti-slip sleeve is fitted onto the clamping part, and a miniature pressure sensor is located on the inner side of the anti-slip sleeve at the end furthest from the long, straight portion. The inclined clamping part conforms to the curvature of the cup's side, improving the clamping fit. The anti-slip sleeve directly solves the slippage problem during clamping, enhancing practicality.

[0011] In the aforementioned adaptive clamping vehicle cup holder, the vertical elastic movable connection structure includes a guide rod vertically positioned at the center of the lower end of the cup holder protrusion. The guide rod is movably connected to the base plate via a vertical guide assembly, and an elastic reset assembly is provided between the guide rod and the base plate. The guide rod and vertical guide assembly achieve stable vertical movement of the cup holder protrusion, preventing displacement. The elastic reset assembly is responsible for resetting after the external force disappears. This clear division of functions ensures movement accuracy and reset reliability.

[0012] In the aforementioned adaptive clamping car cup holder, the vertical guide assembly includes a guide post disposed in the middle of the base plate. The guide post has a guide groove on its inner side, and the guide rod is movably disposed within the guide groove. This nested structure of the guide post and guide groove provides a clear movement trajectory for the guide rod, ensuring that the cup holder protrusion moves only axially up and down, avoiding the impact of lateral swaying on clamping accuracy and improving structural stability.

[0013] In the aforementioned adaptive clamping car cup holder, the elastic reset component includes a reset spring disposed in a guide groove. The lower end of the reset spring contacts the base plate and the upper end contacts the lower end of the guide rod. Alternatively, the elastic reset component includes a spring assembly disposed in the guide groove. The spring assembly has a first damping spring and a second damping spring. The second damping spring is located above the first damping spring, and a spring connecting block is provided between the first and second damping springs. The upper end of the second damping spring contacts the lower end of the guide rod, and the lower end of the first damping spring contacts the base plate. The length of the first damping spring is less than the length of the second damping spring.

[0014] In the aforementioned adaptive clamping car cup holder, the linkage drive mechanism includes several connecting grooves disposed on the outer circumference of the cup holder protrusion and corresponding one-to-one with the clamping linkages. A drive linkage is provided between the connecting groove and the short, straight portion, with one end of the drive linkage movably disposed within the connecting groove and the other end movably connected to the short, straight portion. Through the combination of the connecting groove, drive linkage, and short, straight portion, the vertical movement of the cup holder protrusion is converted into the swinging movement of the clamping linkage, achieving a change in the direction of force. The one-to-one correspondence design ensures balanced force on each clamping linkage, avoiding overload on a single linkage. Simultaneously, the movable connection at both ends of the drive linkage allows for a certain angle change, adapting to the dynamic force transmission during the downward movement of the cup holder protrusion and reducing the risk of mechanical jamming.

[0015] In the aforementioned adaptive clamping car cup holder, an electric push rod seat is provided at the lower end of the hollowed-out groove, and an auxiliary push rod is provided at the upper end of the electric push rod seat, which is axially upwardly positioned. The upper end of the auxiliary push rod is provided with an arc-shaped push head that matches the outer side of the arc-shaped bend, and the electric push rod seat is connected to a miniature pressure sensor. Through the linkage of the electric push rod seat, the auxiliary push rod, and the miniature pressure sensor, closed-loop control of clamping force feedback and active pushing is achieved. When the sensor detects insufficient clamping force, the auxiliary push rod pushes the clamping linkage to further tighten, solving the problem of insufficient clamping force that may exist in a purely mechanical structure, and enhancing the adaptive capability. At the same time, the miniature pressure sensor can be set with a clamping pressure value. If the clamping pressure value of the clamping linkage exceeds the clamping pressure value set by the miniature pressure sensor due to the weight of the cup, the electric push rod seat is in a non-operating state to avoid damage to the cup.

[0016] Compared with existing technologies, the advantages of this utility model are:

[0017] 1. The components of the device are compactly arranged and have clear division of labor. The cylindrical structure of the cup holder base provides stable support, the even distribution of the hollow grooves ensures the force balance of the clamping link, and the L-shaped design of the clamping link and the hinged connection between the connecting part and the hollow groove ensure the effective transmission of force and the smooth realization of the clamping action.

[0018] 2. The vertical guide assembly of this device strictly limits the movement trajectory of the cup holder boss through the cooperation of the guide post and the guide groove, so as to avoid deviation and affect the clamping accuracy.

[0019] 3. The device's elastic reset component ensures basic clamping and reset functions, and its mechanical structure is simple, durable, and has low maintenance costs.

[0020] 4. The combination of the miniature pressure sensor and the electric push rod seat of this device enables intelligent sensing and active adjustment of the clamping force. When insufficient clamping force is detected, the auxiliary push rod can exert force in time to further improve clamping stability and adapt to the bumpy environment during vehicle operation. Attached Figure Description

[0021] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present invention.

[0022] Figure 2 This is a cross-sectional view of the structure of Embodiment 1 of this utility model when it is not in use.

[0023] Figure 3 This is a cross-sectional view of the structure of Embodiment 1 of this utility model in use.

[0024] Figure 4 This is an internal structural diagram of Embodiment 1 of this utility model.

[0025] Figure 5This is a schematic diagram of the structure of the electric push rod seat in Embodiment 1 of this utility model.

[0026] Figure 6 This is a cross-sectional view of the structure of Embodiment 2 of this utility model when it is not in use.

[0027] Figure 7 This is a cross-sectional view of the structure of Embodiment 2 of this utility model in use.

[0028] Figure 8 This is an internal structural diagram of Embodiment 2 of this utility model.

[0029] In the diagram: 1. Cup holder base; 11. Placement cavity; 12. Placement entrance; 13. Cup holder boss; 14. Hollowed-out groove; 15. Base plate; 16. Electric push rod seat; 17. Auxiliary push rod; 18. Arc-shaped push head; 2. Vertical elastic movable connection structure; 21. Guide rod; 22. Vertical guide assembly; 23. Elastic reset assembly; 24. Guide column; 25. Guide groove; 26. Reset spring; 27. Spring assembly; 28. First damping spring; 29. ​​Second damping spring; 30. Spring connecting block; 30. Linkage drive mechanism; 31. Connecting groove; 32. Drive link; 43. Clamping link; 41. Clamping part; 42. Long straight part; 43. Arc-shaped bending part; 44. Connecting part; 45. Short straight part; 46. Anti-slip sleeve. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0031] Example 1

[0032] like Figure 1-5 As shown, an adaptive clamping vehicle cup holder includes a cup holder base 1 with a placement cavity 11. The upper end of the cup holder base 1 is provided with an inlet 12 that communicates with the placement cavity 11. Inside the cup holder base 1, a cup holder boss 13 is provided through a vertical elastic movable connection structure 2, which can move downward along the axial direction of the cup holder base 1 when subjected to a vertically downward external force. Several bending clamping links 4 are movably provided on the outer side of the cup holder boss 13 through a linkage drive mechanism 3. These links are swaying towards the central axis above the cup holder boss 13 when the cup holder boss 13 moves vertically downward. One end of the clamping link 4 has a clamping part 41, and the other end is movably connected to a hollow groove 14 provided on the outer side of the cup holder base 1.

[0033] Combination Figures 3-5 As shown, the cup holder base 1 is cylindrical, and its lower end is closed by the base plate 15. Hollowed-out grooves 14 are vertically arranged around the cup holder base 1 and evenly distributed outwards, penetrating both the outer and inner walls of the cup holder base 1. The cylindrical base is adapted to accommodate the cup, and the evenly distributed hollowed-out grooves 14 provide a symmetrical mounting base for the clamping connecting rod 4. The through-type design ensures sufficient space for the connecting rod's movement, demonstrating the adaptability of structure and function.

[0034] The device comprises several clamping links 4, all of which are L-shaped. The cup holder protrusion 13 is disc-shaped, and the clamping links 4 are evenly distributed circumferentially on the outer side of the cup holder protrusion 13, with each clamping link 4 corresponding to a slot 14. This design ensures the coordination and stability of each component during movement, providing a foundation for the reliable operation of the device.

[0035] Specifically, the clamping link 4 includes a long straight portion 42, one end of which is connected to the connecting portion 44 via an arc-shaped bend 43. The connecting portion 44 has a short straight portion 45 extending in the same direction as the long straight portion 42 at the end away from the arc-shaped bend 43. The connecting portion 44 passes through the hollow groove 14 and is hinged to the hollow groove 14.

[0036] Furthermore, the clamping part 41 is inclined at one end of the long straight part 42, and an anti-slip sleeve 46 is fitted on the clamping part 41. A miniature pressure sensor is provided on the inner side of the anti-slip sleeve 46 away from the long straight part 42. The clamping part 41 is inclined to conform to the curvature of the side of the cup, improving the clamping fit. The anti-slip sleeve 46 directly solves the slippage problem during clamping, enhancing practicality.

[0037] Furthermore, the vertically elastic movable connection structure 2 includes a guide rod 21 vertically positioned at the lower center of the cup holder protrusion 13. The guide rod 21 is movably connected to the base plate 15 via a vertical guide assembly 22, and an elastic reset assembly 23 is provided between the guide rod 21 and the base plate 15. The guide rod 21 and the vertical guide assembly 22 enable stable vertical movement of the cup holder protrusion, preventing displacement. The elastic reset assembly 23 is responsible for resetting after the external force disappears. The functional division is clear, ensuring movement accuracy and reset reliability.

[0038] Meanwhile, the vertical guide assembly 22 includes a guide post 24 disposed in the middle of the base plate 15, a guide groove 25 provided on the inner side of the guide post 24, and a guide rod 21 movably disposed within the guide groove 25. The nested structure of the guide post 24 and the guide groove 25 provides a clear movement trajectory for the guide rod 21, ensuring that the cup holder boss 13 moves only axially up and down, avoiding the impact of lateral swaying on clamping accuracy and improving structural stability.

[0039] Clearly, the elastic reset assembly 23 includes a reset spring 26 disposed within the guide groove 25. The lower end of the reset spring 26 contacts the base plate 15, and the upper end contacts the lower end of the guide rod 21. Using the reset spring 26 as the elastic element results in a simple structure, low cost, and stable reset force. It can quickly reset when the cup holder protrusion 13 is not subjected to external force, ensuring the reusability of the clamping mechanism.

[0040] like Figure 4As shown, the linkage drive mechanism 3 includes several connecting grooves 31 arranged on the outer periphery of the cup holder protrusion 13 and corresponding one-to-one with the clamping connecting rods 4. A drive connecting rod 32 is provided between the connecting groove 31 and the short straight part 45, with one end of the drive connecting rod 32 movably disposed in the connecting groove 31 and the other end movably connected to the short straight part 45. Through the combination of the connecting groove 31, the drive connecting rod 32 and the short straight part 45, the vertical movement of the cup holder protrusion 13 is converted into the swinging movement of the clamping connecting rod 4, realizing the conversion of the force direction. The one-to-one correspondence design ensures that each clamping connecting rod 4 is subjected to balanced force, avoiding overload of a single rod. At the same time, the two ends of the drive connecting rod 32 are movably connected, allowing a certain angle change, adapting to the dynamic force transmission during the downward movement of the cup holder protrusion 13, and reducing the risk of mechanical jamming.

[0041] Combination Figure 3 and Figure 5 As shown, an electric push rod seat 16 is provided at the lower end of the hollow groove 14, and an auxiliary push rod 17 is provided at the upper end of the electric push rod seat 16, which is axially upward. The upper end of the auxiliary push rod 17 is provided with an arc-shaped push head 18 that matches the outer side of the arc-shaped bend 43, and the electric push rod seat 16 is connected to a miniature pressure sensor. Through the linkage of the electric push rod seat 16, the auxiliary push rod 17 and the miniature pressure sensor, a closed-loop control of clamping force feedback and active pushing is realized. When the sensor detects insufficient clamping force, the auxiliary push rod 17 pushes the clamping link 4 to tighten further, which solves the problem of insufficient clamping force that may exist in a purely mechanical structure and enhances the adaptive capability. At the same time, the miniature pressure sensor can set a clamping pressure value. If the clamping pressure value of the clamping link 4 exceeds the clamping pressure value set by the miniature pressure sensor due to the weight of the cup, the electric push rod seat 16 is in a non-operating state to avoid damage to the cup.

[0042] The principle of this embodiment is as follows:

[0043] When the cup is placed into the placement cavity 11 through the inlet 12 and placed on the cup holder protrusion 13, the weight of the cup generates a vertically downward external force, which compresses the cup holder protrusion 13 to overcome the elastic force of the vertical elastic movable connection structure 2 and move downward along the axial direction. At this time, the guide rod 21 moves down synchronously in the guide groove 25 of the guide post 24 to ensure that the movement trajectory is stable and does not deviate. When the cup holder protrusion 13 moves down, its circumferential connecting groove 31 pulls the short straight part 45 of the clamping connecting rod 4 through the drive connecting rod 32. Since the connecting part 44 of the clamping connecting rod 4 is hinged with the hollow groove 14 to form a fulcrum, after the short straight part 45 is driven, the long straight part 42 swings around the hinge point towards the central axis of the cup holder, and finally drives the clamping part 41 at the end of the long straight part 42 to approach and fit the cup, completing the initial clamping. The anti-slip sleeve 46 of the clamping part 41 is provided with a miniature pressure sensor. After the initial clamping is completed, the sensor detects the pressure between the clamping part 41 and the cup in real time. The pressure value is used to determine whether the current clamping force is sufficient. If the sensor detects insufficient pressure or clamping force, a signal is transmitted to the electric push rod seat 16, triggering the auxiliary push rod 17 to extend upward. The arc-shaped push head 18 at the upper end of the auxiliary push rod 17 fits against the outer side of the arc-shaped bend 43 of the clamping link 4, pushing the long straight part 42 to swing further towards the central axis, increasing the pressure of the clamping part 41 on the cup body until the sensor detects that the pressure reaches the standard. The auxiliary push rod 17 then stops moving, ensuring that the cup body is stable and does not shake during travel. If the pressure value between the clamping part 41 and the cup body exceeds the pressure value set by the sensor due to the weight of the cup body, the electric push rod seat 16 does not need to be started. After the cup body is removed, the external force disappears, the elastic reset component 23 returns to its deformation, pushes the guide rod 21 to move the cup holder protrusion 13 upward and reset, and drives the drive link 32 to move the short straight part 45, causing the clamping link 4 to swing outward, releasing the clamping part 41, ready for the next use.

[0044] Example 2

[0045] Combination Figures 6-8As shown, the principle and steps of this embodiment are similar to those of Embodiment 1, except that: in Embodiment 1, the elastic reset assembly 23 includes a reset spring 26 disposed in the guide groove 25, with the lower end of the reset spring 26 contacting the base plate 15 and the upper end contacting the lower end of the guide rod 21. In this embodiment, the elastic reset assembly 23 includes a spring group 27 disposed in the guide groove 25, the spring group 27 having a first damping spring 28 and a second damping spring 29, the second damping spring 29 being located above the first damping spring 28 and a spring connecting block 30 being provided between the first damping spring 28 and the second damping spring 29, the upper end of the second damping spring 29 contacting the lower end of the guide rod 21, the lower end of the first damping spring 28 contacting the base plate 15, and the length of the first damping spring 28 being less than the length of the second damping spring 29. By combining the first damping spring 28 and the second damping spring 29, and utilizing the step-by-step force distribution of springs of different lengths, the system can adapt to the reset requirements of cups of different weights. For example, a heavy cup triggers both springs, while a light cup only triggers the second spring, thereby improving the self-adaptability and extending the service life.

[0046] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0047] Although this document frequently uses terms such as cup holder base 1, placement cavity 11, placement entrance 12, cup holder boss 13, hollow groove 14, base plate 15, electric push rod seat 16, auxiliary push rod 17, arc-shaped push head 18, vertical elastic movable connection structure 2, guide rod 21, vertical guide assembly 22, elastic reset assembly 23, guide column 24, guide groove 25, reset spring 26, spring group 27, first damping spring 28, second damping spring 29, spring connecting block 30, linkage drive mechanism 3, connecting groove 31, drive linkage 32, clamping linkage 4, clamping part 41, long straight part 42, arc-shaped bending part 43, connecting part 44, short straight part 45, anti-slip sleeve 46, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A self-adaptive clamping in-vehicle cup holder, comprising a cup holder base (1) having a placement cavity (11), wherein the upper end of the cup holder base (1) is provided with an insertion port (12) communicating with the placement cavity (11), characterized in that, The cup holder base (1) is provided with a cup holder boss (13) that can move downward along the axial direction of the cup holder base (1) when subjected to a vertically downward external force via a vertically elastic movable connection structure (2). The cup holder boss (13) is provided with several bent clamping links (4) on its outer circumference via a linkage drive mechanism (3). When the cup holder boss (13) moves vertically downward, it can swing toward the central axis above the cup holder boss (13). One end of the clamping link (4) has a clamping part (41) and the other end is movably connected to the hollow groove (14) provided on the outer side of the cup holder base (1).

2. The adaptive clamping car cup holder according to claim 1, characterized in that, The cup holder base (1) is cylindrical and the lower end of the cup holder base (1) is closed by the base plate (15). The hollow grooves (14) are vertically arranged on the outer side of the cup holder base (1) and evenly distributed. The hollow grooves (14) penetrate the outer wall and inner wall of the cup holder base (1).

3. The adaptive clamping car cup holder according to claim 1, characterized in that, The number of clamping links (4) is several and all of the clamping links (4) are L-shaped structures. The cup holder boss (13) is disc-shaped. The clamping links (4) are evenly distributed around the outside of the cup holder boss (13) and the clamping links (4) are set one-to-one with the hollowed-out grooves (14).

4. A self-adaptive clamping car cup holder according to claim 3, characterized in that, The clamping link (4) includes a long straight part (42), one end of which is connected to the connecting part (44) through an arc-shaped bend (43). The connecting part (44) has a short straight part (45) extending in the same direction as the long straight part (42) at the end away from the arc-shaped bend (43). The connecting part (44) passes through the hollow groove (14) and is hinged to the hollow groove (14).

5. A self-adaptive clamping car cup holder according to claim 4, characterized in that, The clamping part (41) is inclined at one end of the long straight part (42), and an anti-slip sleeve (46) is provided on the clamping part (41), and a miniature pressure sensor is provided on the inner side of the anti-slip sleeve (46) away from the long straight part (42).

6. A self-adaptive clamping car cup holder according to claim 2, 3, 4, or 5, characterized in that, The vertical elastic movable connection structure (2) includes a guide rod (21) vertically disposed at the center of the lower end of the cup holder protrusion (13). The guide rod (21) is movably connected to the base plate (15) through a vertical guide assembly (22), and an elastic reset assembly (23) is provided between the guide rod (21) and the base plate (15).

7. A self-adaptive clamping car cup holder according to claim 6, characterized in that, The vertical guide assembly (22) includes a guide post (24) located in the middle of the base plate (15), a guide groove (25) is provided on the inner side of the guide post (24), and the guide rod (21) is movably disposed in the guide groove (25).

8. A self-adaptive clamping car cup holder according to claim 7, characterized in that, The elastic reset assembly (23) includes a reset spring (26) disposed in the guide groove (25). The lower end of the reset spring (26) is in contact with the base plate (15) and the upper end is in contact with the lower end of the guide rod (21). Alternatively, the elastic reset assembly (23) includes a spring group (27) disposed in the guide groove (25). The spring group (27) has a first damping spring (28) and a second damping spring (29). The second damping spring (29) is located above the first damping spring (28) and a spring connecting block (30) is provided between the first damping spring (28) and the second damping spring (29). The upper end of the second damping spring (29) is in contact with the lower end of the guide rod (21), and the lower end of the first damping spring (28) is in contact with the base plate (15). The length of the first damping spring (28) is less than the length of the second damping spring (29).

9. A self-adaptive clamping car cup holder according to claim 4, characterized in that, The linkage drive mechanism (3) includes several connecting grooves (31) arranged on the outer side of the cup holder protrusion (13) and corresponding to the clamping connecting rods (4). A driving connecting rod (32) is provided between the connecting groove (31) and the short straight part (45). One end of the driving connecting rod (32) is movably arranged in the connecting groove (31) and the other end is movably connected to the short straight part (45).

10. A self-adaptive clamping car cup holder according to claim 5, characterized in that, The lower end of the hollow groove (14) is provided with an electric push rod seat (16), the upper end of the electric push rod seat (16) is provided with an auxiliary push rod (17) arranged axially upward, the upper end of the auxiliary push rod (17) is provided with an arc-shaped push head (18) that matches the outer side of the arc-shaped bend (43), and the electric push rod seat (16) is connected to a miniature pressure sensor.

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