Double damping structure of office chair base
By using a dual shock-absorbing structure in the base of the office chair, combined with springs and pneumatic shock-absorbing mechanisms, the problems of noise and physical discomfort during the use of traditional office chairs are solved, achieving a quiet, stable and comfortable user experience.
Patent Information
- Application Number
- CN202520614867.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-04-03
AI Technical Summary
The impact force generated by the base of traditional office chairs when users frequently move or adjust their posture leads to noise, chair sliding, and adverse effects on the body, especially affecting the stability of equipment in places where stability is required.
The office chair base adopts a dual shock absorption structure, combining a spring shock absorption mechanism and a pneumatic shock absorption mechanism. Through the coordinated movement of the moving shock absorption plate, sliding block and fixed support column, a multi-level shock absorption effect is achieved, and additional cushioning is provided by rubber pads and shock absorption springs.
It effectively reduces noise, prevents chairs from sliding, improves safety and comfort, reduces adverse effects on the body, and enhances equipment stability.
Smart Images

Figure CN223746053U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to office chair technical field especially relates to office chair base double damping structure. BACKGROUND
[0002] Modern office environment is various, including open office space, independent office etc., in open office space, the frequent use and movement of office chair can produce larger noise, influence the work of surrounding colleagues, the damping structure of office chair base can reduce the noise produced by vibration, create relatively quiet office environment.
[0003] With the continuous improvement of people's comfort requirement to office environment, the deficiency of traditional office chair base gradually appears, when the user frequently moves, adjusts posture or stands up and sits on the office chair, impact force is produced, the user suddenly leans back or quickly sits down, the impact force produced by these actions can be directly transmitted to the ground through the base, on the one hand, can cause the office chair to slide, shift, affect the use safety, on the other hand, the impact force can also cause the reaction to the user's body, especially the adverse effect on the waist and spine.
[0004] In some places with higher requirement on the stability of office equipment, such as conference room, drawing room etc., the office chair base with damping structure can prevent the equipment from shaking due to the frequent entry and exit of personnel and the use of chair, improve the overall office efficiency, for this purpose, office chair base double damping structure is proposed to solve the above problems. UTILITARY MODEL CONTENT
[0005] In order to make up for the above shortage, the utility model provides office chair base double damping structure, aims at improving the damping problem in the prior art.
[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:
[0007] Office chair base double damping structure, including seat mechanism, the outside of seat mechanism is fixedly connected with spring damping mechanism, the bottom of seat mechanism is fixedly connected with pneumatic damping mechanism, the pneumatic damping mechanism includes damping fixed plate one, the bottom of damping fixed plate one is fixedly connected with fixed support block, the outside of fixed support block is rotatably connected with two mobile damping plates, the inside of mobile damping plate is fixedly connected with mobile sliding block, the outside of mobile sliding block is rotatably connected with fixed support column one, the outside of mobile sliding block is slidably connected with fixed support groove;
[0008] As a further description of the above technical scheme:
[0009] The hollow block is fixedly connected with the fixed support groove near one end of the fixed support block, one end of the fixed support column one away from the moving sliding block is rotatably connected with a fixed support column two, the bottom of the fixed support column two is fixedly connected with a damping fixed plate two, and the bottom of the damping fixed plate two is fixedly connected with a damping fixed plate three.
[0010] As a further description of the above technical solution:
[0011] The spring damping mechanism comprises a damping support plate, the top of the damping support plate is fixedly connected with a support protection shell one, and the inside of the support protection shell one is slidably connected with a support protection shell two.
[0012] As a further description of the above technical solution:
[0013] The top of the support protection shell two is fixedly connected with a rubber pad, the top of the rubber pad is fixedly connected with a fixed block, and the inside of the fixed block is screwedly connected with a fixed threaded column.
[0014] As a further description of the above technical solution:
[0015] The outside of the fixed threaded column is fixedly connected with a fixed limiting block, the inside of the fixed limiting block is slidably connected with a damping spring, and the bottom of the damping spring is fixedly connected to the inside top of the support protection shell one.
[0016] As a further description of the above technical solution:
[0017] The seat mechanism comprises an office chair headrest, the outside of the office chair headrest is fixedly connected with an office chair backrest, the bottom of the office chair backrest is fixedly connected with an office chair cushion, the outside of the office chair cushion is slidably connected with an office chair support cushion, and the two sides of the office chair cushion are fixedly connected with two office chair armrests.
[0018] As a further description of the above technical solution:
[0019] The bottom of the office chair support cushion is fixedly connected with an office chair support leg, the bottom of the office chair support leg is fixedly connected with six office chair support feet, and the bottom of the office chair support foot is fixedly connected with a universal wheel.
[0020] As a further description of the above technical solution:
[0021] The bottom of the office chair cushion is fixedly connected with eight fixed blocks, and the top of the office chair support cushion is fixedly connected with eight damping support plates.
[0022] The utility model has the advantages of the following beneficial effects:
[0023] 1. In the utility model, the fixed support block connected with the damping fixed plate one moves downward, thereby driving the connected moving damping plate to move downward, driving the moving sliding block to slide left and right inside the fixed support groove, at the same time, driving the downward movement of the fixed support column one, driving the upward movement of the damping fixed plate two and the connected damping fixed plate three, at the same time, the inside of the hollow block is hollow, thereby the top end of the damping fixed plate two and the bottom of the fixed support block slide inside the hollow block, thereby achieving the damping effect, bringing more comfortable feeling to people.
[0024] 2. In the utility model, when the top of the office chair cushion bears weight, the top of the fixed block and the friction pad in the spring damping mechanism inputs pressure, thereby driving the movement of the damping spring inside the fixed limiting block connected with the fixed threaded column, driving the downward movement of the support protection shell two inside the damping support plate, at the same time, the bottom of the support protection shell one is fixed on the damping support plate. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is the three-dimensional schematic view of the office chair base double damping structure put forward in the utility model;
[0026] Figure 2 It is the universal wheel structure schematic view of the office chair base double damping structure put forward in the utility model;
[0027] Figure 3 It is Figure 2 The enlarged view of B in the utility model;
[0028] Figure 4 It is Figure 2 The enlarged view of A in the utility model.
[0029] LEGEND:
[0030] 1, seat mechanism; 101, office chair headrest; 102, office chair backrest; 103, office chair armrest; 104, office chair support leg; 105, office chair support foot; 106, universal wheel; 107, office chair cushion; 108, office chair support cushion; 2, spring damping mechanism; 201, damping support plate; 202, support protection shell one; 203, support protection shell two; 204, rubber pad; 205, fixed block; 206, fixed limiting block; 207, fixed threaded column; 208, damping spring; 3, pneumatic damping mechanism; 301, damping fixed plate one; 302, fixed support block; 303, moving damping plate; 304, fixed support groove; 305, moving sliding block; 306, fixed support column one; 307, hollow block; 308, fixed support column two; 309, damping fixed plate two; 3010, damping fixed plate three. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0032] With reference to Figure 1 , Figure 4 An embodiment provided by the utility model: office chair base double damping structure, including seat mechanism 1, the outside fixed connection of seat mechanism 1 has spring damping mechanism 2, the bottom fixed connection of seat mechanism 1 has pneumatic damping mechanism 3, pneumatic damping mechanism 3 includes damping fixed plate one 301, for the position of fixed support block 302 connected, the bottom fixed connection of damping fixed plate one 301 has fixed support block 302, the position of fixed support block 302, the outside rotary connection of fixed support block 302 has two mobile damping plate 303, can rotate in the outside of fixed support block 302 to drive the movement of mobile sliding block 305 connected, the inside fixed connection of mobile damping plate 303 has mobile sliding block 305, drive the common movement of mobile sliding block 305, and provide the mechanical energy required for the movement of mobile sliding block 305, the outside rotary connection of mobile sliding block 305 has fixed support column one 306, rotate in the outside of mobile sliding block 305 to drive the movement of damping fixed plate two 309 and damping fixed plate three 3010 connected on fixed support column one 306, the outside sliding connection of mobile sliding block 305 has fixed support groove 304, slide in the inside of fixed support groove 304, provide support force for the movement of mobile sliding block 305, guarantee the normal operation of mechanism, the end fixed connection of fixed support groove 304 close to fixed support block 302 has hollow block 307, provide the required space for the movement of pneumatic damping mechanism 3, to guarantee the normal operation of mechanism, the end rotary connection of fixed support column one 306 away from mobile sliding block 305 has fixed support column two 308 for fixed support column one 306 and damping fixed plate two 309 to be connected as an organization, to move, the bottom fixed connection of fixed support column two 308 has damping fixed plate two 309, fixed damping fixed plate two 309 is connected on fixed support column one 306, to drive damping fixed plate two 309 to move along with fixed support column one 306, the bottom fixed connection of damping fixed plate two 309 has damping fixed plate three 3010 and moves along with damping fixed plate two 309, to achieve the effect of damping, provide more comfortable feeling for human body.
[0033] With reference to Figures 1 to 3The spring damping mechanism 2 includes a damping support plate 201, which provides support force for the support protective shell one 202 connected thereto, the top of the damping support plate 201 is fixedly connected with the support protective shell one 202, which provides support force, the inside of the support protective shell one 202 is slidably connected with the support protective shell two 203, which slides inside the support protective shell one 202, thereby achieving the effect of damping, the top of the support protective shell two 203 is fixedly connected with the rubber pad 204, which provides more comfortable connection for the equipment, reduces damage to the equipment, and increases the service life of the equipment, the top of the rubber pad 204 is fixedly connected with the fixed block 205, which fixes the positions of the fixed threaded column 207 and the fixed limiting block 206 connected thereto, thereby achieving the effect of fixing the position, the inside of the fixed block 205 is threadedly connected with the fixed threaded column 207, which can be conveniently disassembled and used, the outside of the fixed threaded column 207 is fixedly connected with the fixed limiting block 206, which fixes the position of the damping spring 208 connected thereto, and the inside of the fixed limiting block 206 is slidably connected with the damping spring 208, thereby fixing the position of the damping spring 208;
[0034] The bottom of the damping spring 208 is fixedly connected to the inside top of the support protective shell one 202, which fixes the position of the bottom of the damping spring 208, thereby fixing the position of the damping spring 208, the seat mechanism 1 includes an office chair headrest 101, which provides more comfort to the human body and reduces fatigue caused by long sitting, the outside of the office chair headrest 101 is fixedly connected with the office chair backrest 102, which brings more comfort to the human body, the bottom of the office chair backrest 102 is fixedly connected with the office chair cushion 107, which provides support force for the human body, the outside of the office chair cushion 107 is slidably connected with the office chair support cushion 108, which provides more stability for the office chair cushion 107 and reduces accidents, the two sides of the office chair cushion 107 are fixedly connected with two office chair armrests 103, which provide positions for placing hands of the human body, the bottom of the office chair support cushion 108 is fixedly connected with the office chair support leg 104, which provides support force for the human body and increases stability, the bottom of the office chair support leg 104 is fixedly connected with six office chair support feet 105, which provides greater support force, the bottom of the office chair support foot 105 is fixedly connected with the universal wheel 106, which facilitates movement and storage, the bottom of the office chair cushion 107 is fixedly connected with eight fixed blocks 205, which provide support force and fix the positions of the fixed blocks 205, the top of the office chair support cushion 108 is fixedly connected with eight damping support plates 201, which provide the required conditions for fixing the spring damping mechanism 2 connected thereto.
[0035] Working principle: when the human body sits down, the weight is pressed into the office chair cushion 107 and the office chair supporting cushion 108 of the office chair mechanism 1, thereby transmitting the pressure into the office chair supporting leg 104 and the pneumatic damping mechanism 3, when the gravity is pressed to the damping fixed plate one 301, the damping fixed plate one 301 drives the connected fixed support block 302 to move downward, thereby driving the connected moving damping plate 303 to move downward, driving the moving sliding block 305 connected on the moving damping plate 303 to slide left and right inside the fixed support groove 304, at the same time driving the downward movement of the fixed support column one 306, the fixed support column two 308 fixes the fixed support column one 306 on the damping fixed plate two 309, when the fixed support column one 306 moves, it drives the upward movement of the damping fixed plate two 309 and the connected damping fixed plate three 3010, at the same time the inside of the hollow block 307 is hollow, thereby the top end of the damping fixed plate two 309 and the bottom of the fixed support block 302 slide inside the hollow block 307, thereby achieving the damping effect and bringing more comfortable feeling to people.
[0036] When the top of the office chair cushion 107 bears the weight, the pressure is input into the top of the fixed block 205 and the rubber pad 204 of the spring damping mechanism 2, thereby driving the movement of the damping spring 208 inside the fixed limiting block 206 connected on the fixed threaded column 207, driving the downward movement of the support protection shell two 203 inside the damping support plate 201, at the same time the bottom of the support protection shell one 202 is fixed on the damping support plate 201, at the same time the outside of the office chair cushion 107 is fixed with the office chair armrest 103, providing a placing position for the human hand, and there is the office chair backrest 102 and the office chair headrest 101 on the office chair cushion 107, providing support force for the human body, at the same time the bottom of the office chair supporting cushion 108 has the office chair supporting leg 104 and the office chair supporting foot 105, providing greater support force for the human body, and the bottom of the office chair supporting foot 105 has the universal wheel 106, which can provide greater convenience when moving, facilitating the movement.
[0037] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. Double damping structure of an office chair base, comprising a seat mechanism (1), characterized in that: The seat mechanism (1) is externally fixedly connected with a spring damping mechanism (2), and the bottom of the seat mechanism (1) is fixedly connected with a pneumatic damping mechanism (3); The pneumatic damping mechanism (3) comprises a damping fixed plate one (301), the bottom of the damping fixed plate one (301) is fixedly connected with a fixed support block (302), the outer portion of the fixed support block (302) is rotatably connected with two movable damping plates (303), the inner portion of the movable damping plate (303) is fixedly connected with a movable sliding block (305), the outer portion of the movable sliding block (305) is rotatably connected with a fixed support column one (306), and the outer portion of the movable sliding block (305) is slidably connected with a fixed support groove (304).
2. The dual shock absorbing structure of an office chair base according to claim 1, wherein: The fixed support groove (304) is fixedly connected with a hollow block (307) at one end close to the fixed support block (302), the end of the fixed support column one (306) away from the movable sliding block (305) is rotatably connected with a fixed support column two (308), the bottom of the fixed support column two (308) is fixedly connected with a damping fixed plate two (309), and the bottom of the damping fixed plate two (309) is fixedly connected with a damping fixed plate three (3010).
3. The dual shock absorbing structure of an office chair base according to claim 1, wherein: The spring damping mechanism (2) comprises a damping support plate (201), the top of the damping support plate (201) is fixedly connected with a support protection shell one (202), and the inner portion of the support protection shell one (202) is slidably connected with a support protection shell two (203).
4. The dual shock absorbing structure of an office chair base according to claim 3, wherein: The top of the support protection shell two (203) is fixedly connected with a rubber pad (204), the top of the rubber pad (204) is fixedly connected with a fixed block (205), and the inner portion of the fixed block (205) is threadedly connected with a fixed threaded column (207).
5. The dual shock absorbing structure of an office chair base according to claim 4, wherein: The outer portion of the fixed threaded column (207) is fixedly connected with a fixed limiting block (206), the inner portion of the fixed limiting block (206) is slidably connected with a damping spring (208), and the bottom of the damping spring (208) is fixedly connected to the inner top of the support protection shell one (202).
6. The dual shock absorbing structure of an office chair base according to claim 1, wherein: The seat mechanism (1) comprises an office chair headrest (101), the outer portion of the office chair headrest (101) is fixedly connected with an office chair backrest (102), the bottom of the office chair backrest (102) is fixedly connected with an office chair cushion (107), the outer portion of the office chair cushion (107) is slidably connected with an office chair support cushion (108), and the two sides of the office chair cushion (107) are fixedly connected with two office chair armrests (103).
7. The dual shock absorbing structure of an office chair base according to claim 6, wherein: The bottom of the office chair support cushion (108) is fixedly connected with an office chair support leg (104), the bottom of the office chair support leg (104) is fixedly connected with six office chair support feet (105), and the bottom of the office chair support foot (105) is fixedly connected with a universal wheel (106).
8. The dual shock absorbing structure of an office chair base according to claim 6, wherein: The bottom of the office chair cushion (107) is fixedly connected with eight fixed blocks (205), and the top of the office chair support cushion (108) is fixedly connected with eight damping support plates (201).