Adjustment mechanism and seat

Abstract

The utility model discloses a kind of adjusting mechanism and seat, the adjusting mechanism includes: connecting pedestal;Seat connecting component, seat connecting component and connecting pedestal movably connect;First adjusting component, first adjusting component is connected with connecting pedestal;Supporting component, the front end of supporting component is connected with first adjusting component, rear end is connected with seat connecting component, when seat connecting component moves, supporting component is used to provide supporting force to seat connecting component, first adjusting component is used to adjust the size of supporting force provided by supporting component to seat connecting component.According to the adjusting mechanism of the utility model, supporting component can provide sustained and stable supporting force in the whole movement process of seat connecting component, improve the comfort and use experience of seat applied to the adjusting mechanism, and first adjusting component adjusts the size of supporting force provided by supporting component to seat connecting component, so that user can flexibly adjust according to self preference and application scene, improve the adaptability and versatility of adjusting mechanism.

Description

Technical Field

[0001] This utility model relates to the field of seating technology, and more specifically, to an adjustment mechanism and a seat. Background Technology

[0002] In the field of seating design, self-weighted chassis seats, with their unique mechanical feedback mechanism, bring users a novel user experience and are widely used in office, home, and other scenarios. Current technologies often improve the user experience by increasing back thrust, but this increased thrust comes from increased pressure on the body. Increasing the pressure of the seat cushion on the body can easily cause the feet to leave the ground, compromising the stability and comfort of the seat and negatively impacting the user experience, while also posing certain safety hazards. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an adjustment mechanism, wherein the support component of the adjustment mechanism can provide continuous and stable support force throughout the entire movement of the seat connection component, and the user can flexibly adjust the magnitude of the support force according to their own preferences and application scenarios.

[0004] This utility model also proposes a seat, which includes the above-mentioned adjustment mechanism.

[0005] The adjustment mechanism according to an embodiment of the present invention includes: a connecting base; a seat connecting assembly movably connected to the connecting base; a first adjusting assembly connected to the connecting base; and a support assembly, the front end of which is connected to the first adjusting assembly and the rear end of which is connected to the seat connecting assembly. When the seat connecting assembly moves, the support assembly provides a supporting force to the seat connecting assembly, and the first adjusting assembly adjusts the magnitude of the supporting force provided by the support assembly to the seat connecting assembly.

[0006] According to the adjustment mechanism of this utility model embodiment, the seat connecting component is movably connected to the connecting base, the first adjustment component is connected to the connecting base, the front end of the support component is connected to the first adjustment component, and the rear end is connected to the seat connecting component. When the seat connecting component moves, the support component provides support force to the seat connecting component, enabling the support component to provide continuous and stable support force throughout the entire movement of the seat connecting component, thereby improving the comfort and user experience of the seat using this adjustment mechanism. Simultaneously, the first adjustment component adjusts the magnitude of the support force provided by the support component to the seat connecting component, allowing users to flexibly adjust according to their preferences and application scenarios, meeting the personalized needs of different users, improving user satisfaction, and adapting to people of different weights, thus enhancing the adaptability and versatility of the adjustment mechanism.

[0007] In some embodiments of this utility model, the support component includes: a first elastic member, the front end of the first elastic member in the length direction is connected to the first adjustment component, and the rear end is connected to the seat connection component, wherein the first adjustment component is used to adjust the position of the front end of the first elastic member in the front-rear direction.

[0008] In some embodiments of this utility model, the first elastic element is a tension spring.

[0009] In some embodiments of this utility model, the support assembly further includes: a connecting shaft disposed on the seat connecting assembly, the rear end of the first elastic member being connected to the connecting shaft; a movable member disposed on the connecting base, the movable member being located in front of the connecting shaft and spaced apart from the connecting shaft, the front end of the first elastic member being connected to the movable member, and the first adjusting assembly being connected to the movable member for driving the movable member to move along the front-back direction.

[0010] In some embodiments of this utility model, the first adjustment component includes: a first handle, which is rotatably mounted on the connecting base; and a transmission component, which is connected to the first handle and the moving member respectively, for converting the rotation of the first handle into the movement of the moving member along the front-back direction.

[0011] In some embodiments of this utility model, the transmission assembly includes: a first bevel gear, which is sleeved on a first rotating shaft of the first handle and rotates synchronously with the first handle; a second bevel gear, which meshes with the first bevel gear; a screw, which is fixedly connected to the second bevel gear and rotates synchronously, the screw extending along the front-back direction, and the moving member having a threaded hole that mates with the screw, for converting the rotation of the screw into movement of the moving member along the front-back direction.

[0012] In some embodiments of this utility model, the first adjustment component includes: a guide member, the guide member including a fixed plate and a guide post, the fixed plate being sleeved on the first rotating shaft, the guide post being disposed on the rear side of the fixed plate and connected to the fixed plate, the guide post extending along the front-rear direction, and the moving member having a guide hole that cooperates with the guide post.

[0013] In some embodiments of this utility model, the moving member is provided with a second rotating shaft, and one end of the first elastic member in the length direction is sleeved on the second rotating shaft and rotates relative to the second rotating shaft.

[0014] In some embodiments of this utility model, it further includes: a back connector, which is rotatably connected to the connecting base and movably connected to the seat connecting assembly. The seat connecting assembly is configured to move upward and backward when the rear end of the back connector rotates downward relative to the front end. The greater the rotation angle of the back connector, the greater the supporting force of the support assembly on the seat connecting assembly.

[0015] The seat according to an embodiment of the present invention includes the above-described adjustment mechanism.

[0016] According to an embodiment of this utility model, a seat is provided with an adjustment mechanism. The seat connecting assembly and the connecting base are movably connected. A first adjustment assembly is connected to the connecting base. The front end of a support assembly is connected to the first adjustment assembly, and the rear end is connected to the seat connecting assembly. When the seat connecting assembly moves, the support assembly provides support force to the seat connecting assembly, ensuring continuous and stable support throughout the entire movement of the seat connecting assembly. This improves the comfort and user experience of the seat using this adjustment mechanism. Simultaneously, the first adjustment assembly adjusts the magnitude of the support force provided by the support assembly to the seat connecting assembly, allowing users to flexibly adjust according to their preferences and application scenarios. This meets the personalized needs of different users, improves user satisfaction, and adapts to people of different weights, enhancing the seat's adaptability and versatility.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of the adjustment mechanism according to an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the adjustment mechanism according to an embodiment of the present utility model (wherein, the seat connection component is not shown);

[0021] Figure 3 yes Figure 2 The center circle shows an enlarged structural diagram at point A.

[0022] Figure 4 This is a partially enlarged view of the adjustment mechanism according to an embodiment of the present utility model.

[0023] Figure label:

[0024] 100. Adjustment mechanism;

[0025] 10. Connecting base; 11. Mounting post; 12. Through hole; 13. First linkage shaft; 14. Second slide groove; 15. Clearance groove;

[0026] 20. Back connector; 21. First limiting hole; 22. Third linkage shaft;

[0027] 30. Seat connection assembly; 31. First connector; 32. Second connector; 311. Support part; 312. Guide boss; 321. Second limiting hole; 322. Sliding hole; 33. First slide groove; 34. Second linkage shaft; 35. Third slide groove;

[0028] 40. Support assembly; 41. Connecting shaft; 42. Moving part; 421. Fixed base; 4211. Second rotating shaft; 43. First elastic element;

[0029] 50. First adjusting component; 51. First handle; 511. First rotating shaft; 52. Transmission component; 521. First bevel gear; 522. Second bevel gear; 523. Screw; 524. Nut; 525. Guide component; 5251. Fixing plate; 5252. Guide post;

[0030] 60. Second adjustment component; 61. Second handle; 62. Limiting plate; 63. First transmission component; 64. Rotating component; 611. Protrusion;

[0031] 70. Third adjustment component; 71. Third handle; 72. Second transmission component; 711. Handheld part; 712. Linear segment; 713. Limiting segment;

[0032] 81. Second elastic element. Detailed Implementation

[0033] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0034] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0035] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0036] The adjustment mechanism 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

[0037] like Figures 1-3 As shown, the adjustment mechanism 100 according to an embodiment of the present utility model includes a connecting base 10, a base connecting assembly 30, a first adjustment assembly 50, and a support assembly 40.

[0038] The seat connection component 30 is movably connected to the connecting base 10. The front end of the support component 40 is connected to the first adjustment component 50, and the rear end is connected to the seat connection component 30. When the seat connection component 30 moves, the support component 40 provides support to the seat connection component 30.

[0039] Understandably, the connecting base 10 is used to support the adjustment mechanism 100 and ensure the reliability of the adjustment mechanism 100. The seat connecting assembly 30 is used to install the seat cushion. When the seat connecting assembly 30 moves, the support assembly 40 provides support to the seat connecting assembly 30 to ensure that the support of the seat connecting assembly 30 will not break during the movement. This allows the support assembly 40 to provide continuous and stable support throughout the entire movement of the seat connecting assembly 30, thereby improving the comfort and user experience of the seat using the adjustment mechanism 100.

[0040] The first adjustment component 50 is connected to the connecting base 10. The first adjustment component 50 is used to adjust the magnitude of the support force provided by the support component 40 to the seat connecting component 30. Thus, by adjusting the initial support force provided by the support component 40 to the seat connecting component 30 through the first adjustment component 50, users can flexibly adjust it according to their own preferences and application scenarios, meet the personalized needs of different users, improve user satisfaction, and adapt to people of different weights, thereby improving the adaptability and versatility of the adjustment mechanism 100.

[0041] Meanwhile, the regulating mechanism 100 of this application has a compact overall structure and high reliability, and has strong practicality and market promotion value.

[0042] According to the adjustment mechanism 100 of this utility model embodiment, the seat connecting component 30 is movably connected to the connecting base 10, the first adjustment component 50 is connected to the connecting base 10, the front end of the support component 40 is connected to the first adjustment component 50, and the rear end is connected to the seat connecting component 30. When the seat connecting component 30 moves, the support component 40 provides support force to the seat connecting component 30, so that the support component 40 can provide continuous and stable support force throughout the entire movement of the seat connecting component 30, thereby improving the comfort and user experience of the seat using this adjustment mechanism 100. At the same time, the first adjustment component 50 is used to adjust the magnitude of the support force provided by the support component 40 to the seat connecting component 30, so that users can flexibly adjust it according to their own preferences and application scenarios, meet the personalized needs of different users, improve user satisfaction, and adapt to people of different weights, thereby improving the adaptability and versatility of the adjustment mechanism 100.

[0043] In some embodiments of this utility model, such as Figures 1-3 As shown, the adjustment mechanism 100 also includes a back connector 20. The back connector 20 is rotatably connected to the connecting base 10 and movably connected to the seat connecting assembly 30. The seat connecting assembly 30 is configured to move upward and backward when the rear end of the back connector 20 rotates downward relative to the front end. The greater the rotation angle of the back connector 20, the greater the supporting force of the support assembly 40 on the seat connecting assembly 30.

[0044] Understandably, when a user leans back, the backrest connector 20 is under pressure, causing its rear end to rotate downwards relative to the front end. Through mechanical transmission between the seat connector 30, the backrest connector 20, and the connecting base 10, the seat connector 30 moves upwards and backwards. When the user is using the chair for work, the seat connector 30 moves the seat cushion upwards and backwards, maintaining the user's line of sight level with the screen and reducing neck pressure. Simultaneously, the rising seat cushion adjusts posture, distributing the user's weight more evenly across the hips and thighs, preventing excessive localized pressure and improving comfort. Furthermore, when the user leans back, their center of gravity shifts backwards, and the rising seat cushion helps maintain balance, preventing the user from feeling like they are about to slide down, increasing stability, reducing the frequency of posture adjustments, and improving concentration.

[0045] During this process, the reaction force generated by the contact between the user's legs and the seat cushion provides sufficient support and feedback, enabling the transmission of back thrust, improving seat comfort, and enhancing the user experience.

[0046] In existing technologies, the user experience is often improved by increasing the back thrust. However, the increase in back thrust comes from the increase in pressure on the human body. Once the pressure of the seat cushion on the human body is increased, it is easy for the person's feet to leave the ground, which will destroy the stability and comfort of the seat during use, thereby affecting the user experience and bringing certain safety hazards.

[0047] This application limits the seat connection component 30 to move upward and backward when the rear end of the back connector 20 rotates downward relative to the front end, with the rear end of the seat connection component 30 being higher than the front end. This ensures that the user feels sufficient back thrust while preventing the seat from lifting the user too high and preventing the user's feet from leaving the ground. This ensures the stability and comfort of the seat during use, reduces safety hazards during use, improves the practicality of the seat, and further enhances the user experience.

[0048] Meanwhile, the greater the rotation angle of the backrest connector 20, the greater the support force of the support component 40 on the seat connection component 30. This gradually increases the support force of the seat cushion on the user when the user leans back against the backrest, and increases the reaction force generated by the user's leg lifting. As a result, the pressure of the backrest on the human body increases, and the user feels a greater back thrust. This effectively compensates for the problem of insufficient force in the latter half of the movement due to self-weight, ensuring that the user can obtain stable and appropriate support throughout the entire leaning process.

[0049] In addition, the first adjustment component 50 is used to adjust the magnitude of the support force provided by the support component 40 to the seat connection component 30, so that users can flexibly adjust it according to their own preferences and application scenarios, further meet the personalized needs of different users, improve user satisfaction, and adapt to people of different weights, thereby improving the adaptability and versatility of the adjustment mechanism 100.

[0050] In some embodiments of this utility model, such as Figure 2 and Figure 3 As shown, the support component 40 includes a first elastic member 43. The front end of the first elastic member 43 in the length direction is connected to the first adjustment component 50, and the rear end is connected to the seat connection component 30. The first adjustment component 50 is used to adjust the position of the front end of the first elastic member 43 in the front-rear direction.

[0051] Thus, the first elastic element 43 is connected to the first adjustment component 50 at its front end along its length and to the seat connection component 30 at its rear end, so that the first elastic element 43 provides support to the seat connection component 30, ensuring that the seat connection component 30 will not experience a support break during movement, and thus providing continuous and stable support throughout the entire movement of the seat connection component 30.

[0052] Meanwhile, the first adjustment component 50 is used to adjust the position of the front end of the first elastic member 43 in the front-back direction, thereby adjusting the magnitude of the support force provided by the first elastic member 43 to the seat connection component 30, so that users can flexibly adjust according to their own preferences and application scenarios to meet the personalized needs of different users.

[0053] In some embodiments of this utility model, such as Figures 1-3 As shown, the first elastic element 43 is a tension spring. It can be understood that the front end of the tension spring along its length is connected to the first adjusting component 50, and the rear end is connected to the seat connecting component 30. According to Hooke's Law, the increased tension force generated by the tension spring results in a greater supporting force on the seat connecting component 30. Therefore, by adjusting the position of the front end of the tension spring in the front-rear direction using the first adjusting component 50, the magnitude of the supporting force provided to the seat connecting component 30 can be adjusted, allowing users to flexibly adjust it according to their preferences and application scenarios to meet the personalized needs of different users.

[0054] Meanwhile, the seat connection component 30 is configured such that when the rear end of the back connector 20 rotates downward relative to the front end, the seat connection component 30 is stretched by the tension spring during its upward and backward movement. This results in a greater rotation angle of the back connector 20, which in turn increases the support force of the support component 40 on the seat connection component 30. This effectively compensates for the insufficient force of the self-weight itself in the latter half of the movement, ensuring that the user can obtain stable and appropriate support force throughout the entire leaning process.

[0055] In some embodiments of this utility model, such as Figure 2 and Figure 3As shown, the support assembly 40 also includes a connecting shaft 41 and a moving member 42. The connecting shaft 41 is disposed on the seat connecting assembly 30. The rear end of the first elastic member 43 is connected to the connecting shaft 41. The moving member 42 is disposed on the connecting base 10. The moving member 42 is located in front of the connecting shaft 41 and is spaced apart from the connecting shaft 41. The front end of the first elastic member 43 is connected to the moving member 42. The first adjusting assembly 50 is connected to the moving member 42 and is used to drive the moving member 42 to move in the front-back direction.

[0056] It is understood that the connecting shaft 41 is mounted on the seat connecting assembly 30, and the rear end of the first elastic member 43 is connected to the connecting shaft 41, thereby connecting the rear end of the first elastic member 43 to the seat connecting assembly 30. The moving member 42 is mounted on the connecting base 10, located in front of the connecting shaft 41 and spaced apart from the connecting shaft 41. The front end of the first elastic member 43 is connected to the moving member 42, thereby connecting the first elastic member 43 to the moving member 42 without being between the moving member 42 and the connecting shaft 41.

[0057] Therefore, by connecting the first adjusting component 50 to the moving component 42 and driving the moving component 42 to move in the front-back direction, the position of the front end of the first elastic component 43 in the front-back direction is adjusted, thereby adjusting the magnitude of the support force provided by the first elastic component 43 to the seat connecting component 30. This allows users to flexibly adjust the force according to their preferences and application scenarios, meeting the personalized needs of different users. At the same time, the moving component 42 transmits the power transmission of the first adjusting component 50 to the first elastic component 43, improving the reliability of the transmission and the overall reliability of the adjusting mechanism 100.

[0058] In some embodiments, such as Figure 2 and Figure 3 As shown, there are two first elastic members 43 spaced apart along the axial direction of the connecting shaft 41. The rear ends of the two first elastic members 43 are respectively connected to the connecting shaft 41, and the front ends of the two first elastic members 43 are respectively connected to the moving member 42. The moving member 42 is driven to move in the front-back direction by the first adjusting component 50, and the position of the front ends of the two first elastic members 43 in the front-back direction is changed synchronously.

[0059] It should be noted that the number of the first elastic element 43 is not limited here. Figure 3 The illustration shows two first elastic elements 43 for illustrative purposes. However, those skilled in the art, upon reading the following technical solution, will clearly understand that applying this solution to one, three, or more first elastic elements 43 would also fall within the protection scope of this utility model. Furthermore, when there are multiple first elastic elements 43, they are spaced apart along the axial direction of the connecting shaft 41.

[0060] In some embodiments of this utility model, such as Figure 2 and Figure 3 As shown, the first adjustment component 50 includes a first handle 51 and a transmission component 52. The first handle 51 is rotatably mounted on the connecting base 10, and the transmission component 52 is connected to both the first handle 51 and the moving member 42, thereby converting the rotation of the first handle 51 into the movement of the moving member 42 in the back-and-forth direction.

[0061] Therefore, the transmission assembly 52 can convert the rotation of the first handle 51 into the movement of the moving part 42 in the front-back direction, thereby driving the moving part 42 to move in the front-back direction, and thus adjusting the position of the front end of the first elastic member 43 in the front-back direction, thereby adjusting the magnitude of the support force provided by the first elastic member 43 to the seat connection assembly 30. At the same time, when the user needs to make adjustments, the user can turn the first handle 51 to adjust the support force, which is simple to operate.

[0062] In some embodiments of this utility model, such as Figure 2 and Figure 3 As shown, the transmission assembly 52 includes a first bevel gear 521, a second bevel gear 522, and a screw 523. The first bevel gear 521 is sleeved on the first rotating shaft 511 of the first handle 51 and rotates synchronously with the first handle 51. The second bevel gear 522 meshes with the first bevel gear 521. The screw 523 is fixedly connected to the second bevel gear 522 and rotates synchronously with it. The screw 523 extends in the front-back direction. The moving member 42 has a threaded hole that mates with the screw 523, used to convert the rotation of the screw 523 into movement of the moving member 42 in the front-back direction.

[0063] Therefore, when the first handle 51 rotates, the first bevel gear 521 is sleeved on the first rotating shaft 511 of the first handle 51, so that the first bevel gear 521 rotates synchronously and transmits the rotational force to the second bevel gear 522 meshing with the first bevel gear 521. The second bevel gear 522 drives the screw 523 to rotate. Through the threaded hole on the moving part 42 that mates with the screw 523, the rotation of the screw 523 is converted into the movement of the moving part 42 in the front-back direction, thereby adjusting the position of the front end of the first elastic member 43 in the front-back direction, and further adjusting the magnitude of the supporting force provided by the first elastic member 43 to the seat connecting assembly 30. This enables the transmission assembly 52 to convert the rotation of the first handle 51 into the movement of the moving part 42 in the front-back direction, thereby improving the reliability of the transmission assembly 52.

[0064] Furthermore, a nut 524 is provided on the side of the moving part 42 away from the second bevel gear 522, and the screw 523 passes through the nut 524, which further ensures that the rotation of the screw 523 is converted into the movement of the moving part 42 in the front-back direction, thereby improving the reliability of the transmission.

[0065] In some embodiments of this utility model, such as Figure 2 and Figure 3 As shown, the first adjustment assembly 50 includes a guide member 525. The guide member 525 includes a fixed plate 5251 and a guide post 5252. The fixed plate 5251 is sleeved on the first rotating shaft 511. The guide post 5252 is located on the rear side of the fixed plate 5251 and connected to the fixed plate 5251. The guide post 5252 extends in the front-rear direction. The moving member 42 has a guide hole that mates with the guide post 5252.

[0066] Thus, by fixing plate 5251 on the first rotating shaft 511, guide post 5252 is connected to fixed plate 5251, and moving part 42 has guide hole that cooperates with guide post 5252. In the process of transmission assembly 52 converting the rotation of first handle 51 into movement of moving part 42 in the front and back direction, guide part 525 plays a guiding role, ensuring that the movement trajectory of moving part 42 and front end of first elastic part 43 is accurate and avoiding deviation. This ensures the accuracy of adjusting the support force provided by first elastic part 43 to seat connection assembly 30 and improves overall reliability.

[0067] In some embodiments of this utility model, such as Figure 2 and Figure 3 As shown, the movable member 42 is provided with a second rotating shaft 4211, and one end of the first elastic member 43 in the length direction is sleeved on the second rotating shaft 4211 and rotates relative to the second rotating shaft 4211. It can be understood that since the first elastic member 43 is connected to the seat connecting assembly 30, when the seat connecting assembly 30 is configured to rotate downward relative to the front end of the back connecting member 20, during the upward and backward movement of the seat connecting assembly 30, the first elastic member 43, by having one end of its length direction sleeved on the second rotating shaft 4211 and rotating relative to the second rotating shaft 4211, allows the second rotating shaft 4211 to allow the first elastic member 43 to adaptively rotate with the movement direction of the seat connecting assembly 30. This effectively avoids lateral bending or twisting of the first elastic member 43 due to path deviation, ensuring stable support for the seat connecting assembly 30 and improving reliability.

[0068] Furthermore, the movable part 42 is provided with a fixed seat 421, and the fixed seat 421 has a second rotating shaft 4211. Thus, the fixed seat 421 provides fixation for the second rotating shaft 4211, thereby improving the overall reliability.

[0069] In some embodiments, such as Figure 1 and Figure 2 As shown, the first handle 51 is located at the front end of the connecting base 10, making the position of the first handle 51 easy to find and convenient for the user to operate the first handle 51 while seated. This helps to improve the convenience of adjusting the support force of the seat connecting component 30 and enhances the user experience.

[0070] In some embodiments of this utility model, such as Figures 1-4 As shown, the adjustment mechanism 100 also includes a second adjustment component 60, which is disposed on the connecting base 10. The second adjustment component 60 fixes the back connector 20. The rotation angle of the back connector 20 can be fixed through the second adjustment component 60 to meet the different usage needs of users for the seat, thereby meeting the diverse needs of users for the seat and ensuring the stability of the seat during use.

[0071] According to some embodiments of this utility model, such as Figures 1-4 As shown, the rear end of the back connector 20 is provided with a plurality of first limiting holes 21. The plurality of first limiting holes 21 are spaced apart along the circumferential direction of the rotation axis between the back connector 20 and the connecting base 10. The second adjustment component 60 includes a second handle 61, a limiting plate 62 and a first transmission component 63. The second handle 61 is movably disposed on the connecting base 10 in the left-right direction. The limiting plate 62 is movably disposed on the connecting base 10 in the front-back direction. The first transmission component 63 is connected to the second handle 61 and the limiting plate 62. The first transmission component 63 can convert the left-right movement of the second handle 61 into the front-back movement of the limiting plate 62.

[0072] Therefore, by moving the second handle 61 left and right, the first transmission component 63 drives the limiting plate 62 to move back and forth, allowing the limiting plate 62 to extend into one of the first limiting holes 21. This fixes the rotational position of the back connector 20, meeting the required angle fixation. Furthermore, the limiting plate 62 can be inserted into different positions of the first limiting holes 21 depending on the rotation angle of the back connector 20, achieving different rotation angle fixations for the back connector 20. This satisfies various user needs and improves the user experience. Simultaneously, the first transmission component 63 can continuously drive the limiting plate 62 to move forward, preventing interference with the back connector 20 when it needs to rotate. This ensures reliable rotation of the back connector 20 and facilitates easy angle fixation for the user, further enhancing the user experience. Additionally, the second adjustment component 60 has a simple structure and is easy to manufacture.

[0073] In embodiments of this utility model, the number of first limiting holes 21 can be flexibly set according to actual conditions. For example, the number of first limiting holes 21 can be as follows: Figure 4 The number shown is two, but it can also be three, four, five, six or more, all of which are within the protection scope of this utility model.

[0074] In some embodiments of this utility model, such as Figure 4As shown, the connecting base 10 is provided with a mounting post 11, which extends in the vertical direction. The first transmission component 63 is a torsion spring, and the first transmission component 63 is sleeved on the mounting post 11, which can realize the placement of the first transmission component 63 and meet the installation requirements of the first transmission component 63. The first transmission component 63 is a torsion spring, which facilitates the conversion of the left and right movement of the second handle 61 into the forward and backward movement of the limiting plate 62. At the same time, it makes the structure of the first transmission component 63 simple and inexpensive, which helps to reduce production costs.

[0075] According to some embodiments of this utility model, such as Figure 2 and Figure 4 As shown, the connecting base 10 is provided with a through hole 12, through which the pneumatic rod can be inserted, so that the pneumatic rod extends into the connecting base 10. The second handle 61 is rotatably disposed on the connecting base 10, and the end of the second handle 61 located in the connecting base 10 is provided with a protrusion 611. The second adjustment assembly 60 also includes a rotating member 64, which is rotatably disposed in the connecting base 10. The rotation axis of the rotating member 64 extends in the left-right direction, and the end of the rotating member 64 away from the rotation axis of the rotating member 64 is opposite to the through hole 12.

[0076] Therefore, when the second handle 61 is rotated, it can drive the protrusion 611 to rotate, so that the protrusion 611 can abut against the other end of the rotating member 64 away from the rotation axis of the rotating member 64, causing the rotating member 64 to rotate along the rotation axis extending in the left and right direction. When the end of the rotating member 64 away from the rotation axis of the rotating member 64 abuts against the upper end of the gas spring, the gas spring can rise and fall, thereby realizing the rise and fall of the adjustment mechanism 100. This facilitates the lifting and lowering operation of the seat, meets the height adjustment requirements of the seat, meets the different usage needs of different users, and thus meets the diverse needs of users for the seat. It can ensure the stability of the seat during use, and the adjustment is convenient, which is conducive to improving the user experience. At the same time, the structure is simple, easy to process and manufacture, and helps to reduce production costs.

[0077] In some embodiments, the connecting base 10 is supported on the pneumatic rod, so that the pneumatic rod can provide stable support for the adjustment mechanism 100, ensuring reliable support and facilitating the adjustment of the height of the adjustment mechanism 100 to meet the required adjustment needs. At the same time, the structure is simple and compact, which helps to reduce production costs.

[0078] In some embodiments of this utility model, such as Figure 1As shown, the seat connection assembly 30 includes a first connector 31, which is movably connected to the connecting base 10 and movably connected to the back connector 20. This allows the rear end of the back connector to be subjected to pressure and rotate downward relative to the front end, causing the first connector 31 to move upward and backward, thereby realizing the self-weight-bearing function of the seat and improving the user experience.

[0079] In addition, such as Figure 1 As shown, the seat connection assembly 30 includes a second connector 32, which is located above the first connector 31 and is movably connected to the first connector 31. The second connector 32 is movable relative to the first connector 31 in the front-back direction, allowing the second connector 32 to drive the seat cushion of the connected seat to move independently in the front-back direction. Users can flexibly control the second connector 32 to slide forward or backward according to their own needs, thereby adjusting the position of the seat surface, improving riding comfort, and meeting the different usage needs of different users. This satisfies the diverse needs of users for the seat and ensures the stability of the seat during use.

[0080] In some embodiments, such as Figure 1 As shown, the second connector 32 is provided with a sliding hole 322, which extends in the front-to-back direction. The first connector 31 is provided with a guide boss 312, which extends into the sliding hole 322 and can slide along the length of the sliding hole 322. This enables the second connector 32 and the first connector 31 to be movably connected. Through the cooperation of the guide boss 312 and the sliding hole 322, a guiding function is provided to ensure that the second connector 32 moves reliably relative to the first connector 31 in the front-to-back direction, avoiding problems such as offset, thereby ensuring reliable adjustment.

[0081] In some embodiments, such as Figure 1 As shown, there are multiple sliding holes 322, which are spaced apart on the first connector 31. There are multiple guide bosses 312 that correspond one-to-one with the multiple sliding holes 322. By having the multiple guide bosses 312 cooperate with the multiple sliding holes 322 respectively, the guiding requirements of the first connector 31 and the second connector 32 at multiple different positions can be met, ensuring reliable guidance and preventing the second connector 32 from shifting.

[0082] In embodiments of this utility model, the number of sliding holes 322 can be flexibly set according to actual conditions. For example, the second limiting hole 321 can be as follows: Figure 1 The number shown is four, but it can also be two, three, five, six or more, all of which are within the protection scope of this utility model.

[0083] Of course, the sliding hole 322 can also be located on the first connector 31. Specifically, the first connector 31 is provided with a sliding hole 322 extending in the front-back direction, and the second connector 32 is provided with a guide boss 312 extending into the sliding hole 322. The guide boss 312 can slide along the length direction of the sliding hole 322, which is also within the protection scope of this utility model.

[0084] According to some embodiments of this utility model, such as Figure 4 As shown, the second connecting member 32 is provided with a plurality of second limiting holes 321, which are spaced apart in the front-to-back direction. The adjustment mechanism 100 also includes a third adjustment component 70, which includes a third handle 71 and a second transmission component 72. The second transmission component 72 is connected to the third handle 71 and the first connecting member 31, so that the second transmission component 72 can constantly drive one end of the third handle 71 located in the connecting base 10 to extend into one of the second limiting holes 321, thereby fixing the position of the second connecting member 32 and ensuring the position of the seat surface is fixed, preventing movement that would affect the user's sitting experience. At the same time, the second transmission component 72 can constantly drive one end of the third handle 71 located in the connecting base 10 to extend into one of the second limiting holes 321, making it easy for one end of the third handle 71 located in the connecting base 10 to extend into one of the second limiting holes 321, preventing problems such as loosening, and making adjustment convenient, which is beneficial to improving the user experience. At the same time, the structure is simple, easy to process and manufacture, and helps to reduce production costs.

[0085] In embodiments of this utility model, the number of second limiting holes 321 can be flexibly set according to actual conditions. For example, the number of second limiting holes 321 can be as follows: Figure 1 The number shown is five, but it can also be two, three, four, six or more, all of which are within the protection scope of this utility model.

[0086] In some embodiments of this utility model, such as Figure 1 and Figure 2 As shown, a support portion 311 is provided on the lower end surface of the first connector 31. The third handle 71 includes a hand-held portion 711, a straight segment 712, and a limiting segment 713. One end of the hand-held portion 711 extends into the connecting base 10. The straight segment 712 is connected to the end of the hand-held portion 711 located on the connecting base 10 and extends in the front-back direction. The straight segment 712 is supported by the support portion 311 to meet the support requirements of the third handle 71 and ensure that the third handle 71 is reliably supported on the connecting base 10. The limiting segment 713 is connected to the end of the straight segment 712 away from the hand-held portion 711. The limiting segment 713 extends upward in an inclined direction away from the straight segment 712. The second transmission member 72 normally drives the limiting segment 713 to rotate upward along the rotation axis of the straight segment 712.

[0087] Therefore, by pushing the hand-held part 711 up or down, the limiting section 713 can rotate up or down along the rotation axis of the straight section 712, so that the limiting section 713 can extend into or out of the second limiting hole 321, which facilitates the position adjustment and locking of the second connecting member 32, making the adjustment convenient. In addition, the third handle 71 has a simple structure, which is easy to process and manufacture, and helps to reduce production costs.

[0088] In some embodiments, such as Figure 2 As shown, there can be multiple support parts 311, which are spaced apart in the front-rear direction. The straight segment 712 is supported on multiple support parts 311, which can support different positions of the straight segment 712 to ensure reliable support, thereby ensuring reliable support for the third handle 71.

[0089] In embodiments of this utility model, the number of support portions 311 can be flexibly set according to actual conditions. For example, the support portions 311 can be as follows: Figure 2 The number shown is two, but it can also be three, five, four, six or more, all of which are within the protection scope of this utility model.

[0090] According to some embodiments of this utility model, such as Figure 2 As shown, the second transmission component 72 is a torsion spring, and the second transmission component 72 is sleeved on the straight segment 712. The torsion spring facilitates the upward rotation of the constant drive limit segment 713 along the rotation axis of the straight segment 712, which meets the requirements and makes the structure of the second transmission component 72 simple, easy to assemble, and can reduce production costs.

[0091] In some embodiments of this utility model, such as Figure 2 As shown, the connecting base 10 is provided with a first linkage shaft 13, and the adjustment mechanism 100 also includes a second elastic element 81. The second elastic element 81 is a torsion spring and is sleeved on the first linkage shaft 13. The two ends of the second elastic element 81 are respectively connected to the connecting base 10 and the back connector 20, so that the second elastic element 81 can drive the rear end of the back connector 20 to rotate upward relative to the front end. The second elastic element 81 can provide the initial force of the back connector 20, so that when the user sits on the seat, the seat can be guaranteed to have appropriate support in the initial state, which is conducive to improving the user experience. Moreover, the structure of the second elastic element 81 is simple and can reduce production costs.

[0092] In related technologies, the user experience is improved by enhancing the backrest thrust of the seat. However, the increased backrest thrust comes from increased pressure on the human body. Once the pressure of the seat cushion on the human body is increased, it is easy for the user's feet to leave the ground, which will disrupt the balance and stability of the human body when sitting. It will also cause the leg muscles to be in a state of tension, which will lead to leg fatigue after prolonged use, affecting the user experience. This will affect the stability and comfort of the seat when using it, and may also bring about safety hazards.

[0093] Therefore, according to some embodiments of the present invention, the seat connecting assembly 30 is configured such that when the rear end of the back connector 20 rotates downward relative to the front end, the rear end of the seat connecting assembly 30 is higher than the front end. This ensures that the user feels sufficient back thrust while avoiding the problem of the user's feet leaving the ground due to excessive lifting of the seat connecting assembly 30 during movement. This prevents the seat from lifting the user too high, ensuring the stability and comfort of the seat during use, reducing safety hazards during use, improving the practicality and comfort of the seat, and further enhancing the user experience.

[0094] In some embodiments of this utility model, such as Figure 1 and Figure 2 As shown, a first limiting structure and a second limiting structure are provided between the connecting base 10 and the seat connecting assembly 30. The first limiting structure is located behind the second limiting structure. The first limiting structure includes a first linkage shaft 13 and a first sliding groove 33. One of the first linkage shaft 13 and the first sliding groove 33 is provided on the connecting base 10, and the other is provided on the seat connecting assembly 30. The first linkage shaft 13 is movably inserted into the first sliding groove 33. The second limiting structure includes a second linkage shaft 34 and a second sliding groove 14. One of the second linkage shaft 34 and the second sliding groove 14 is provided on the connecting base 10, and the other is provided on the seat connecting assembly 30. The second linkage shaft 34 is movably inserted into the second sliding groove 14. In the direction from front to back, both the first sliding groove 33 and the second sliding groove 14 are inclined upward. The back connecting member 20 can drive the seat connecting assembly 30 to move upward when the rear end of the back connecting member 20 rotates downward relative to the front end.

[0095] Therefore, when the user leans back against the backrest, the rear end of the backrest connector 20 rotates downward relative to the front end. Driven by the backrest connector 20, the seat connection assembly 30 moves upward. Since the connecting base 10 is fixed, and both the first slide groove 33 and the second slide groove 14 tilt backward in the upward direction, the first linkage shaft 13 moves along the extension direction of the first slide groove 33, and the second linkage shaft 34 moves along the extension direction of the second slide groove 14. Therefore, with the cooperation of the first linkage shaft 13 and the first slide groove 33, and the cooperation of the second linkage shaft 34 and the second slide groove 14, the seat connection assembly 30 moves backward while moving upward, realizing the self-weight-bearing function of the seat, improving seat comfort, and enhancing the user experience.

[0096] Meanwhile, since the first limiting structure and the second limiting structure are spaced apart in the front-to-back direction, they can play a guiding role at two points spaced apart in the front-to-back direction between the connecting base 10 and the seat connecting assembly 30, which facilitates the movement of the seat connecting assembly 30 relative to the connecting base 10 and ensures the reliability and stability of the movement of the seat connecting assembly 30.

[0097] It is understood that one of the first linkage shaft 13 and the first sliding groove 33 is located on the connecting base 10, and the other is located on the seat connecting assembly 30. This can be either the first linkage shaft 13 being located on the connecting base 10 and the first sliding groove 33 being located on the seat connecting assembly 30, or the first linkage shaft 13 being located on the seat connecting assembly 30 and the first sliding groove 33 being located on the connecting base 10. Similarly, one of the second linkage shaft 34 and the second sliding groove 14 is located on the connecting base 10, and the other is located on the seat connecting assembly 30. This can be either the second linkage shaft 34 being located on the connecting base 10 and the second sliding groove 14 being located on the seat connecting assembly 30, or the second linkage shaft 34 being located on the seat connecting assembly 30 and the second sliding groove 14 being located on the connecting base 10.

[0098] In addition, such as Figure 1 and Figure 2 As shown, the angle between the extension direction of the first slide groove 33 and the horizontal direction is the first angle, and the angle between the extension direction of the second slide groove 14 and the horizontal direction is the second angle. The first angle is greater than the second angle. When the lengths of the first slide groove 33 and the second slide groove 14 are the same, the height of the first slide groove 33 in the vertical direction is greater than the height of the second slide groove 14 in the vertical direction. The first slide groove 33 is located behind the second slide groove 14, which allows the lifting height of the front end of the seat connecting assembly 30 to be lower than the lifting height of the rear end during the upward and backward movement of the seat connecting assembly 30. This prevents the seat from lifting the user too high and prevents the user's feet from leaving the ground, thereby ensuring the stability and comfort of the seat during use, reducing safety hazards during seat use, improving the practicality of the seat, and further improving the user experience.

[0099] It should be noted that by adjusting the lengths of the first slide rail 33 and the second slide rail 14, as well as the size of the first and second included angles, the absolute and relative heights of the front and rear ends of the seat connecting assembly 30 can be precisely controlled. This controls the height variation of the front and rear ends of the seat connecting assembly 30, preventing the user's feet from leaving the ground when leaning against the backrest, thus improving the comfort and stability of the seat. Furthermore, through the reasonable design of the first slide rail 33 and the second slide rail 14, it is possible to prevent the user from sliding forward due to excessive height difference between the front and rear ends of the seat connecting assembly 30, ensuring a good user experience.

[0100] For example, in some embodiments, such as Figure 1 and Figure 2 As shown, the first linkage shaft 13 and the second slide groove 14 are disposed on the connecting base 10, and the first slide groove 33 and the second linkage shaft 34 are disposed on the seat connecting assembly 30, which makes the fit between the connecting base 10 and the seat connecting assembly 30 more stable and reliable. The back connector 20 has a first limit position and a second limit position, which are located at the two ends of the rotation angle range of the back connector 20, respectively. In the first limit position, the first linkage shaft 13 is located at the rear end of the first slide groove 33, and the second linkage shaft 34 is located at the front end of the second slide groove 14. In the second limit position, the first linkage shaft 13 is located at the front end of the first slide groove 33, and the second linkage shaft 34 is located at the rear end of the second slide groove 14, thereby preventing wobbling between the seat connecting assembly 30 and the connecting base 10 and ensuring the overall reliability and stability of the adjustment mechanism 100.

[0101] Of course, this utility model is not limited to this. A third limiting structure other than the first limiting structure and the second limiting structure can also be provided between the connecting base 10 and the seat connecting assembly 30. The third limiting structure can be multiple structures spaced apart from the first limiting structure and the second limiting structure. Each third limiting structure includes a fourth linkage shaft and a fourth sliding groove. One of the fourth linkage shaft and the fourth sliding groove is located on the connecting base 10 and the other is located on the seat connecting assembly 30. The fourth linkage shaft can be movably inserted into the fourth sliding groove. The setting of the third limiting structure can further play a guiding role and further ensure the reliability and stability of the movement of the seat connecting assembly 30.

[0102] In some embodiments, such as Figure 1 and Figure 2As shown, the first linkage shaft 13 is disposed on the connecting base 10, and the first slide groove 33 is disposed on the seat connecting assembly 30. The back connector 20 and the connecting base 10 are rotatably connected through the first linkage shaft 13. Thus, by disposing of the first linkage shaft 13 at the rotation center of the back connector 20 and the connecting base 10, the first linkage shaft 13 can serve as both the rotation shaft of the back connector 20 and the connecting base 10 and the guide shaft that cooperates with the first slide groove 33. Compared with setting an additional rotation shaft to connect the back connector 20 and the connecting base 10, the number of parts of the adjustment mechanism 100 can be reduced, the manufacturing cost of the adjustment mechanism 100 can be reduced, the assembly process of the adjustment mechanism 100 can be simplified, the assembly cost of the adjustment mechanism 100 can be reduced, and the production efficiency of the adjustment mechanism 100 can be improved.

[0103] In some embodiments of this utility model, such as Figure 1 and Figure 2 As shown, a drive structure is provided between the seat connecting assembly 30 and the back connecting member 20. The drive structure includes a third linkage shaft 22 and a third slide groove 35. The third linkage shaft 22 is located on the back connecting member 20, and the third slide groove 35 is located on the seat connecting assembly 30. The third linkage shaft 22 is movably inserted into the third slide groove 35. In the direction from front to back, the third slide groove 35 is inclined downward. It can be understood that the third linkage shaft 22 is located in front of the first linkage shaft 13. When the user leans back against the backrest, the rear end of the back connecting member 20 rotates downward relative to the front end, and the third linkage shaft 22 moves upward. Since the third slide groove 35 is inclined forward in the direction from bottom to top, through the cooperation of the third linkage shaft 22 and the third slide groove 35, the seat connecting assembly 30 can be driven to move upward and backward when the third linkage shaft 22 moves upward, realizing the self-weight function of the seat, improving seat comfort, and enhancing the user experience.

[0104] It should be noted that the shape and extension direction of the third slide 35 are a combination of the shape and extension direction of the first slide 33 and the second slide 14. By reasonably designing the length-to-height ratio and shape of the third slide 35, the rotation angle of the back connector 20 and the lifting height of the seat connector 30 can be precisely controlled.

[0105] In some embodiments of this utility model, such as Figure 1 and Figure 2As shown, the back connector 20 is located inside the connecting base 10, and the seat connecting assembly 30 is located outside the connecting base 10. The connecting base 10 is provided with a clearance groove 15, which is an arc-shaped groove with the rotation center of the back connector 20 as the center. The third linkage shaft 22 passes through the clearance groove 15. Since the connecting base 10 is located between the back connector 20 and the seat connecting assembly 30, during the rotation of the back connector 20, the third linkage shaft 22 makes a circular motion with the axis of the first linkage shaft 13 as the center. The shape of the clearance groove 15 matches the motion trajectory of the third linkage shaft 22, which can avoid the third linkage shaft 22 and avoid affecting the normal drive of the third linkage shaft 22 to the seat connecting assembly 30. This ensures that when the rear end of the back connector 20 rotates downward relative to the front end, the seat connecting assembly 30 is driven to move upward and backward.

[0106] In some specific embodiments, such as Figure 1 and Figure 2 As shown, the back connector 20 is located inside the connecting base 10, and the back connector 20 is rotatably connected to the rear end of the connecting base 10. The seat connecting assembly 30 is located on the outside of the connecting base 10. The connecting base 10 has a second sliding groove 14 and a clearance groove 15 on both sides along the left and right directions. The seat connecting assembly 30 has a first sliding groove 33 and a third sliding groove 35 on both sides along the left and right directions. The first linkage shaft 13, the second linkage shaft 34, and the third linkage shaft 22 all extend in the left and right directions. In the direction from front to back, the second linkage shaft 34, the third linkage shaft 22, and... The first linkage shafts 13 are arranged in sequence, and the first linkage shafts 13 are the rotation center of the back connector 20 and the connecting base 10. The first linkage shafts 13 pass through the back connector 20 and the connecting base 10 in the left and right direction and cooperate with the first slide groove 33 of the seat connecting assembly 30. The second linkage shaft 34 passes through the second slide groove 14 of the connecting base 10 in the left and right direction and is fixed on the seat connecting assembly 30. The third linkage shaft 22 passes through the back connector 20 in the left and right direction and cooperates with the clearance groove 15 of the connecting base 10 and the third slide groove 35 of the seat connecting assembly 30.

[0107] The following describes the seat according to an embodiment of the present invention.

[0108] The seat according to an embodiment of the present invention includes an adjustment mechanism 100.

[0109] According to an embodiment of the present invention, a seat is provided with an adjustment mechanism 100. A seat connecting assembly 30 is movably connected to a connecting base 10. A first adjustment assembly 50 is connected to the connecting base 10. The front end of a support assembly 40 is connected to the first adjustment assembly 50, and the rear end is connected to the seat connecting assembly 30. When the seat connecting assembly 30 moves, the support assembly 40 provides support to the seat connecting assembly 30, ensuring continuous and stable support throughout the entire movement of the seat connecting assembly 30. This improves the comfort and user experience of the seat using the adjustment mechanism 100. Simultaneously, the first adjustment assembly 50 adjusts the magnitude of the support force provided by the support assembly 40 to the seat connecting assembly 30, allowing users to flexibly adjust according to their preferences and application scenarios. This meets the personalized needs of different users, improves user satisfaction, and adapts to people of different weights, enhancing the seat's adaptability and versatility.

[0110] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0111] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An adjustment mechanism, characterized in that, include: Connect the base; A seat connection assembly, wherein the seat connection assembly is movably connected to the connecting base; A first adjustment component is connected to the connecting base. A support component is provided, with its front end connected to the first adjustment component and its rear end connected to the seat connection component. When the seat connection component moves, the support component provides a supporting force to the seat connection component, and the first adjustment component adjusts the magnitude of the supporting force provided by the support component to the seat connection component.

2. The adjusting mechanism according to claim 1, characterized in that, The support components include: A first elastic element has its front end connected to the first adjustment component along its length and its rear end connected to the seat connection component. The first adjustment component is used to adjust the position of the front end of the first elastic element in the front-rear direction.

3. The adjusting mechanism according to claim 2, characterized in that, The first elastic element is a tension spring.

4. The adjusting mechanism according to claim 2, characterized in that, The support components also include: A connecting shaft is provided on the seat connecting assembly, and the rear end of the first elastic member is connected to the connecting shaft; A movable component is disposed on the connecting base. The movable component is located in front of the connecting shaft and spaced apart from the connecting shaft. The front end of the first elastic component is connected to the movable component. The first adjusting component is connected to the movable component and is used to drive the movable component to move along the front-back direction.

5. The adjusting mechanism according to claim 4, characterized in that, The first adjustment component includes: A first handle, which is rotatably mounted on the connecting base; A transmission assembly is connected to the first handle and the moving part respectively, and is used to convert the rotation of the first handle into the movement of the moving part along the front-back direction.

6. The adjusting mechanism according to claim 5, characterized in that, The transmission assembly includes: A first bevel gear is sleeved on the first rotating shaft of the first handle and rotates synchronously with the first handle. The second bevel gear meshes with the first bevel gear; A screw is fixedly connected to the second bevel gear and rotates synchronously. The screw extends along the front-back direction. The moving part has a threaded hole that mates with the screw, which is used to convert the rotation of the screw into the movement of the moving part along the front-back direction.

7. The adjusting mechanism according to claim 6, characterized in that, The first adjustment component includes: The guide component includes a fixed plate and a guide post. The fixed plate is sleeved on the first rotating shaft. The guide post is located on the rear side of the fixed plate and connected to the fixed plate. The guide post extends along the front-rear direction. The moving component has a guide hole that mates with the guide post.

8. The adjusting mechanism according to claim 4, characterized in that, The moving part is provided with a second rotating shaft, and one end of the first elastic element in the length direction is sleeved on the second rotating shaft and rotates relative to the second rotating shaft.

9. The adjusting mechanism according to claim 1, characterized in that, Also includes: A back connector is rotatably connected to the connecting base and movably connected to the seat connecting assembly. The seat connecting assembly is configured to move upward and backward when the rear end of the back connector rotates downward relative to the front end. The greater the rotation angle of the back connector, the greater the supporting force of the support assembly on the seat connecting assembly.

10. A type of seat, characterized in that, Includes the adjustment mechanism according to any one of claims 1-9.

Images