Gear type self-loading drive-by-wire seat chassis with tension spring

Abstract

The utility model relates to the technical field of seat chassis, in particular to a gear type self-load-bearing drive-by-wire seat chassis with a tension spring. Which comprises a chassis mounting seat and is characterized in that a supporting seat is arranged on one side of the chassis mounting seat, a connecting seat is arranged at the joint of the supporting seat and the chassis mounting seat, a first connecting shaft is arranged on the connecting seat, a second connecting shaft is arranged on the inner side of the supporting seat, and the second connecting shaft is associated with the inner side of the supporting seat and the connecting seat; a third connecting shaft is arranged on the outer side of the supporting seat, an elastic force adjusting wheel is arranged on one side of the base plate mounting seat, a protruding block is arranged in the base plate mounting seat, and the protruding block is matched with the elastic force adjusting wheel. Balanced support is provided, so that the comfort level is increased; the integrated locking pull rope and the locking mechanism provided with the torsion spring and the reset spring ensure the stability and the safety of the seat in use.

Description

Technical Field

[0001] The utility model relates to the technical field of seat chassis, in particular to a gear-type self-loaded wire-controlled seat chassis with a tension spring. Background Art

[0002] Existing wire-controlled seat chassis usually use a spring system with fixed elastic force, which is difficult to automatically adjust according to the user's weight, causing users of different weights to feel uncomfortable or insufficient support when using the same seat. In addition, the lifting and locking mechanisms of traditional seats are complicated, inconvenient to operate, and safety is not fully guaranteed. Therefore, designing a wire-controlled seat chassis that can automatically adjust the elastic force, simplify operation, and enhance safety has become an important demand in the industry.

[0003] The Chinese patent discloses a wire-controlled seat chassis (Announcement No.: CN 209018137 U) comprising a chassis, a tail plate, a fixed plate, a first rotating shaft, a second rotating shaft and a third rotating shaft, wherein the chassis and the fixed plate are rotatably connected through the first rotating shaft, the chassis and the tail plate are rotatably connected through the second rotating shaft, and the tail plate and the fixed plate are rotatably connected through the third rotating shaft, and the chassis is provided with a reclining elastic force adjustment mechanism, a reclining locking mechanism and a lifting mechanism, characterized in that the reclining locking mechanism comprises a locking tongue, a torsion spring, a rack, a pull rod and a fixed block, and the torsion spring and the fixed block are fixed on the chassis. However, the functionality of this wire-controlled seat chassis is single, and it is difficult to automatically adjust according to the user's weight, resulting in users of different weights feeling uncomfortable or insufficient support when using the same seat, and the lifting and locking mechanisms are complicated, inconvenient to operate, and safety is not fully guaranteed. Therefore, a gear-type self-loaded wire-controlled seat chassis with a tension spring is needed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art, that is, the existing wire-controlled seat chassis has a single functionality and is difficult to automatically adjust according to the user's weight, which causes users of different weights to feel uncomfortable or insufficient support when using the same seat, and the lifting and locking mechanisms are complicated, inconvenient to operate, and safety is not fully guaranteed. A gear-type self-loaded wire-controlled seat chassis with a tension spring is proposed.

[0005] The technical solution adopted by the utility model to solve its technical problems is: the utility model is a gear-type self-loaded wire-controlled seat chassis with a tension spring, including a chassis mounting seat, characterized in that: a support seat is provided on one side of the chassis mounting seat, a connecting seat is provided at the connection between the support seat and the chassis mounting seat, a first connecting shaft is provided on the connecting seat, a second connecting shaft is provided on the inner side of the support seat, the second connecting shaft is associated with the inner side of the support seat and the connecting seat, a third connecting shaft is provided on the outer side of the support seat, an elastic adjustment wheel is provided on one side of the chassis mounting seat, a convex block is provided inside the chassis mounting seat, and the convex block cooperates with the elastic adjustment wheel, a seesaw is provided on one side of the chassis mounting seat, a fourth connecting shaft is provided on the seesaw, a bottom plate is provided between the fourth connecting shaft and the third connecting shaft, an elastic tension spring is provided between the fourth connecting shaft and the first connecting shaft, a cone tube fixing plate is provided on one side of the interior of the chassis mounting seat, a connecting cone tube is provided on the cone tube fixing plate, a lifting rope is provided on one side of the chassis mounting seat, and a locking rope is provided on the other side.

[0006] Preferably, a lifting rope is provided on one side of the chassis mounting seat, and a first rope shell is provided on the outer side of the lifting rope for protecting the lifting rope, one end of the lifting rope is connected to a lifting compression spring, one end of the lifting compression spring is connected to a lifting pressure plate, one end of the lifting pressure plate is connected to a fifth connecting shaft, and the fifth connecting shaft is associated with the chassis mounting seat, and these components work together to realize the lifting function of the seat.

[0007] Preferably, one end of the locking pull rope is connected to a locking torsion spring and a return spring, and a second pull rope housing is provided on the outside of the locking pull rope for protecting the locking pull rope. One end of the locking pull rope is connected to a locking torsion spring and a return spring for realizing the torsion spring effect when the seat is locked and the reset function after unlocking.

[0008] Preferably, a locking bracket is provided on the cone tube fixing plate, and the locking bracket and the chassis mounting seat are jointly provided with a locking pin for enhancing stability and safety during locking.

[0009] Preferably, one end of the elastic force adjustment wheel is connected to an elastic force control rod, and one end of the elastic force adjustment wheel is connected to an elastic force control rod for adjusting the elastic force of the chassis to meet the needs of different weight loads.

[0010] Preferably, a tension spring connecting plate is provided inside the tension spring, one end of which cooperates with the first connecting shaft, and the other end is associated with the fourth connecting shaft. A tension spring connecting plate is provided inside the tension spring, one end of which cooperates with the first connecting shaft, and the other end is associated with the fourth connecting shaft, so as to disperse the tension force and increase the stability of the structure.

[0011] The utility model is beneficial in that:

[0012] The utility model adopts a gear-type self-loaded wire-controlled design, and the seat chassis can automatically adjust the elastic force according to the user's weight to provide balanced support, thereby increasing comfort; the integrated locking pull rope and the locking mechanism with a torsion spring and a return spring ensure the stability and safety of the seat when in use and prevent accidental folding; through the design of the lifting pull rope, the user can easily adjust the height of the seat to meet different work or rest needs; the design of the rocker and the bottom plate, and the coordinated use of multiple connecting shafts increase the overall stability of the chassis and extend the service life of the product; the design of the elastic control rod allows the user to adjust the elastic force according to personal preference, so that the seat chassis can better adapt to the needs of different users. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is a schematic diagram of the explosion structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the top view structure of the control relaxation of the utility model.

[0016] Figure 3 For this utility model Figure 2 Cross-sectional view of the middle BB spring being loosened.

[0017] Figure 4 It is a cross-sectional view of the spring tightening of the utility model.

[0018] Figure 5 It is a schematic diagram of the structure of the utility model when viewed from above.

[0019] Figure 6 For this utility model Figure 5 Cross-sectional view of DD.

[0020] Figure 7 This is a schematic diagram of the top view of the control locking structure of the utility model.

[0021] Figure 8 It is a schematic diagram of the structure of the utility model.

[0022] In the figure: 1. bottom plate; 2. first connecting shaft; 3. connecting seat; 4. supporting seat; 5. chassis mounting seat; 6. elastic adjustment wheel; 8. lifting and lowering pressure spring; 9. first pull rope housing; 10. elastic control lever; 11. lifting and lowering pull rope; 12. lifting and lowering pressure plate; 13. fifth connecting shaft; 14. connecting cone tube; 15. locking pin; 16. locking bracket; 17. seesaw; 18. fourth connecting shaft; 19. cone tube fixing plate; 20. locking torsion spring; 21. reset spring; 23. second pull rope housing; 24. tension spring connecting plate; 25. tension spring; 26. locking pull rope; 27. second connecting shaft; 28. third connecting shaft; 29. ​​bump. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example

[0025] See also Figure 1-8 As shown, a gear-type self-loaded wire-controlled seat chassis with a tension spring includes a chassis mounting seat 5, characterized in that: a support seat 4 is provided on one side of the chassis mounting seat 5, a connecting seat 3 is provided at the connection between the support seat 4 and the chassis mounting seat 5, a first connecting shaft 2 is provided on the connecting seat 3, a second connecting shaft 27 is provided on the inner side of the support seat 4, the second connecting shaft 27 is associated with the inner side of the support seat 4 and the connecting seat 3, a third connecting shaft 28 is provided on the outer side of the support seat 4, an elastic adjustment wheel 6 is provided on one side of the chassis mounting seat 5, a convex block 29 is provided inside the chassis mounting seat 5, and the convex block 29 is connected to the The elastic adjustment wheel 6 is matched, a rocker 17 is provided on one side of the chassis mounting seat 5, a fourth connecting shaft 18 is provided on the rocker 17, a bottom plate 1 is provided between the fourth connecting shaft 18 and the third connecting shaft 28, an elastic tension spring 25 is provided between the fourth connecting shaft 18 and the first connecting shaft 2, the elastic tension spring 25 is a common product on the market and can be purchased directly, a cone tube fixing plate 19 is provided on one side of the interior of the chassis mounting seat 5, a connecting cone tube 14 is provided on the cone tube fixing plate 19, a lifting rope 11 is provided on one side of the chassis mounting seat 5, and a locking rope 26 is provided on the other side.

[0026] In this embodiment, a lifting rope 11 is provided on one side of the chassis mounting seat 5, and a first rope housing 9 is provided on the outer side of the lifting rope 11 for protecting the lifting rope 11. One end of the lifting rope 11 is connected to a lifting compression spring 8, and one end of the lifting compression spring 8 is connected to a lifting pressure plate 12. One end of the lifting pressure plate 12 is connected to a fifth connecting shaft 13, and the fifth connecting shaft 13 is associated with the chassis mounting seat 5. These components work together to realize the lifting function of the seat.

[0027] In this embodiment, one end of the locking pull rope 26 is connected to a locking torsion spring 20 and a return spring 21. The locking torsion spring 20 and the return spring 21 are common products on the market and can be purchased directly. A second pull rope housing 23 is provided on the outside of the locking pull rope 26 to protect the locking pull rope 26. One end of the locking pull rope 26 is connected to a locking torsion spring 20 and a return spring 21 to realize the torsion spring effect when the seat is locked and the reset function after unlocking.

[0028] In this embodiment, a locking bracket 16 is provided on the cone tube fixing plate 19 , and the locking bracket 16 and the chassis mounting seat 5 are provided with a locking pin 15 to enhance the stability and safety during locking.

[0029] In this embodiment, one end of the elastic force adjustment wheel 6 is connected to an elastic force control rod 10 , and one end of the elastic force adjustment wheel 6 is connected to an elastic force control rod 10 for adjusting the elastic force of the chassis to meet the requirements of different weight loads.

[0030] In this embodiment, a tension spring connecting plate 24 is provided inside the tension spring 25, one end of which cooperates with the first connecting shaft 2, and the other end is associated with the fourth connecting shaft 18. A tension spring connecting plate 24 is provided inside the tension spring 25, one end of which cooperates with the first connecting shaft 2, and the other end is associated with the fourth connecting shaft 18, which is used to disperse the tension and increase the stability of the structure.

[0031] The implementation principle of this embodiment is as follows: when the user sits down, the weight is transmitted to the chassis mounting seat 5 through the seat, and the second connecting shaft 27 inside the support seat 4 and the third connecting shaft 28 outside the support seat 4 work together to make the support seat 4 rotate slightly. This action is transmitted to the rocker 17 through the elastic tension spring 25, causing the fourth connecting shaft 18 to move, and then the tension of the tension spring is adjusted through the interaction with the first connecting shaft 2, so as to achieve the purpose of automatic adjustment according to the user's weight. The user pulls the lifting rope 11 to drive the lifting and lowering pressure spring 8 and the lifting and lowering pressure plate 12 connected thereto, and affects the position of the bottom plate 1 through the fifth connecting shaft 13, thereby realizing the lifting and lowering of the seat, and the lifting and lowering pressure The spring 8 provides smooth lifting power to ensure that the lifting process is smooth and easy to control; when the seat needs to be locked, the user operates the locking pull rope 26, which activates the locking torsion spring 20 and the return spring 21, and through the action of the locking bracket 16 and the locking pin 15, the chassis is stably locked in the desired position; the return spring 21 ensures that after unlocking, each component can be restored to its initial state for reuse; the elastic control rod 10 is connected to the elastic adjustment wheel 6, and the rotation of the elastic adjustment wheel 6 can push the protrusion 29. The user changes the tension of the tension spring by adjusting the elastic control rod 10, thereby adjusting the elasticity of the chassis to meet the comfort requirements of different users.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A gear-type self-loaded wire-controlled seat chassis with a tension spring, comprising a chassis mounting seat (5), characterized in that: A support seat (4) is provided on one side of the chassis mounting seat (5); a connecting seat (3) is provided at the connection between the support seat (4) and the chassis mounting seat (5); a first connecting shaft (2) is provided on the connecting seat (3); a second connecting shaft (27) is provided on the inner side of the support seat (4); the second connecting shaft (27) is associated with the inner side of the support seat (4) and the connecting seat (3); a third connecting shaft (28) is provided on the outer side of the support seat (4); an elastic adjustment wheel (6) is provided on one side of the chassis mounting seat (5); a convex block (29) is provided inside the chassis mounting seat (5); the convex block (29) is connected to the elastic adjustment wheel (6) In cooperation with each other, a seesaw (17) is provided on one side of the chassis mounting seat (5), a fourth connecting shaft (18) is provided on the seesaw (17), a bottom plate (1) is provided between the fourth connecting shaft (18) and the third connecting shaft (28), an elastic tension spring (25) is provided between the fourth connecting shaft (18) and the first connecting shaft (2), a cone tube fixing plate (19) is provided on one side of the interior of the chassis mounting seat (5), a connecting cone tube (14) is provided on the cone tube fixing plate (19), a lifting rope (11) is provided on one side of the chassis mounting seat (5), and a locking rope (26) is provided on the other side.

2. The gear-type self-loaded wire-controlled seat chassis with tension spring according to claim 1, characterized in that: A lifting rope (11) is provided on one side of the chassis mounting seat (5), a first rope housing (9) is provided on the outer side of the lifting rope (11), one end of the lifting rope (11) is connected to a lifting pressure spring (8), one end of the lifting pressure spring (8) is connected to a lifting pressure plate (12), one end of the lifting pressure plate (12) is connected to a fifth connecting shaft (13), and the fifth connecting shaft (13) is associated with the chassis mounting seat (5).

3. The gear-type self-loaded wire-controlled seat chassis with tension spring according to claim 1, characterized in that: One end of the locking pull rope (26) is connected to a locking torsion spring (20) and a return spring (21), and a second pull rope housing (23) is provided on the outside of the locking pull rope (26).

4. The gear-type self-loaded wire-controlled seat chassis with tension spring according to claim 1, characterized in that: A locking bracket (16) is provided on the cone tube fixing plate (19), and the locking bracket (16) and the chassis mounting seat (5) are jointly provided with a locking pin (15).

5. The gear-type self-loaded wire-controlled seat chassis with tension spring according to claim 1, characterized in that: One end of the elastic force adjustment wheel (6) is connected to an elastic force control rod (10).

6. The gear-type self-loaded wire-controlled seat chassis with tension spring according to claim 1, characterized in that: A tension spring connecting plate (24) is provided inside the tension spring (25), one end of the tension spring connecting plate (24) is matched with the first connecting shaft (2), and the other end is associated with the fourth connecting shaft (18).

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