Novel seat turnover mechanism arranged in seat armrest

Abstract

The utility model relates to the technical field of seat turnover, and discloses a novel seat turnover mechanism arranged in a seat armrest, which comprises a support plate, and a turnover structure and an armrest structure are mounted on the support plate. The rotating shaft drives the chair seat to realize angle adjustment through the fixed seat, the worm gear and the worm shaft have a self-locking function, the angle of the chair seat can be automatically kept stable after adjustment, particularly at a horizontal angle, the chair seat can be effectively prevented from accidentally rotating or inclining due to external force, and the safety in the using process is remarkably improved; the sliding block is driven by the screw rod to slide in the mounting groove, and the sliding block is connected with the rotating shaft and the fixed seat, so that the chair seat is driven to be subjected to lifting adjustment, the body type and height requirements of different users are met, personalized sitting posture adjustment is supported, and more comfortable use experience is provided for the users.

Description

TECHNICAL FIELD

[0001] The utility model relates to chair seat turnover mechanism field, especially in the new type chair seat turnover mechanism of placing in the armrest of seat. BACKGROUND

[0002] The conventional chair seat turnover mechanism adopts simple horizontal turnover structure, and the function is single, and occupies larger space, and it is difficult to meet the increasingly diversified use demand, for this, a new type chair seat turnover mechanism is designed to be embedded in the armrest of seat, which further optimizes the space utilization rate while ensuring the turnover function, and enhances the multifunctionality and user experience of the seat.

[0003] In the prior art, the chair seat can only be rotated to a horizontal position, and the chair seat can only be fixed at the horizontal position, and cannot be inclined at different angles according to actual needs, and the use scene is limited, and it is difficult to meet the diversified needs of users, and the height of the chair seat cannot be adjusted according to the height or body shape of the user, which affects personalized adaptation and reduces use comfort, and therefore, a new type chair seat turnover mechanism embedded in the armrest of seat is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a new type chair seat turnover mechanism embedded in the armrest of seat to solve the problems of being unable to incline at different angles according to actual needs, limited use scene, difficult to meet the diversified needs of users, being unable to adjust the height of the chair seat according to the height or body shape of the user, affecting personalized adaptation and reducing use comfort in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a new type chair seat turnover mechanism embedded in the armrest of seat, including support plate, the support plate installs turnover structure and armrest structure, the turnover structure includes installation slot and sliding block, the sliding block is slidably installed in the inside of installation slot, the sliding block is connected with the support plate through screw rod, the sliding block is fixedly installed chair seat through the rotation shaft and fixed seat, the outside of sliding block is fixedly installed fixed box, the rotation shaft is installed worm shaft through worm wheel engagement, the fixed box is fixedly connected with the worm shaft through motor.

[0006] As a preferred scheme, the number of support plates is two, and they are symmetrically fixedly installed on the ground.

[0007] As a preferred scheme, the installation slot is opened in the inside of support plate, the screw rod is rotatably installed at the top end of sliding block, the screw rod extends to the top end of support plate through support plate, and the screw rod is screw-connected with support plate, and the top end of screw rod is fixedly installed rotating disc.

[0008] As a preferred scheme, the rotating shaft is rotatably arranged between the sliding blocks, the fixed base is fixedly arranged on the rotating shaft, the seat is fixedly arranged on the fixed base, the rotating shaft extends into the fixed box through the sliding blocks at two ends, and the rotating shaft is rotatably connected with the side wall of the fixed box, the worm wheel is fixedly arranged on the end of the rotating shaft, the worm shaft is rotatably arranged on the fixed box, the worm shaft is meshed with the worm wheel, and the motor is fixedly arranged on the outside of the fixed box.

[0009] As a preferred scheme, the armrest structure comprises an armrest plate, a connecting shaft, a round hole and an expansion plate, the connecting shaft is fixedly arranged at the top end of the support plate, a section of the connecting shaft close to the support plate is a light pole, another section of the connecting shaft is provided with a thread, the round hole is arranged on the armrest plate, the armrest plate is rotatably arranged on the light pole of the connecting shaft through the round hole, and a limiting bolt is threadedly arranged on the threaded section of the connecting shaft to limit the armrest plate.

[0010] As a preferred scheme, the expansion plate is fixedly arranged with sliding rails at two sides, the armrest plate is provided with a sliding groove in the inside, the expansion plate is slidably connected with the sliding groove through the sliding rails, and a fastening bolt is threadedly arranged at the bottom end of the armrest plate to limit the expansion plate.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1. The worm shaft drives the rotating shaft to rotate through the worm wheel, the rotating shaft drives the seat to adjust the angle through the fixed base, the worm wheel and the worm shaft have the self-locking function, the angle of the seat can be automatically kept stable after adjustment, especially when the horizontal angle, the seat can be effectively prevented from rotating or tilting due to external force, the safety in use is remarkably improved, the sliding block is driven to slide in the mounting groove through the screw rod, the sliding block is connected with the rotating shaft and the fixed base, so that the seat is driven to adjust the lifting, the body shape and height requirements of different users are met, and personalized sitting posture adjustment is supported, and more comfortable use experience is provided for users.

[0013] 2. In the armrest structure, the limiting bolt is threadedly moved on the connecting shaft to limit the armrest plate after rotation, the expansion plate can be expanded in the armrest plate, the angle range of the armrest plate can be adjusted according to different scenes or user requirements, the armrest plate is suitable for daily use and can meet special requirements (such as reclining or supporting), users with different arm lengths and postures can adjust the supporting position of the expansion plate, so that more personalized lifting supporting effect is obtained, and arm fatigue is reduced. DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 is a schematic view of the turnover structure part of the utility model;

[0016] Figure 3 is a schematic view of the turnover structure part of the utility model;

[0017] Figure 4 is a schematic view of the turnover structure part of the utility model;

[0018] Figure 5 is a sectional view of the fixed box of the utility model;

[0019] Figure 6 is a three-dimensional schematic view of the handrail structure of the utility model;

[0020] Figure 7 is a sectional view of the handrail structure of the utility model.

[0021] In the drawing: 1, support plate; 2, turnover structure; 201, mounting groove; 202, sliding block; 203, screw rod; 204, rotating shaft; 205, fixed seat; 206, chair seat; 207, fixed box; 208, worm wheel; 209, worm shaft; 210, motor; 3, handrail structure; 31, handrail plate; 32, connecting shaft; 33, round hole; 34, limiting bolt; 35, telescopic plate; 36, sliding rail; 37, sliding groove; 38, fastening bolt. DETAILED DESCRIPTION

[0022] 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 in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment one

[0023] Please refer to the drawings of the utility model Figure 1 - the drawings of the utility model Figure 5The utility model provides a novel chair seat turnover mechanism placed in the seat armrest, including support plate 1, support plate 1 is two in number and is fixedly installed on the ground symmetrically, is installed with turnover structure 2 and armrest structure 3 on support plate 1, turnover structure 2 includes installation groove 201 and sliding block 202, installation groove 201 is opened in the inside of support plate 1, sliding block 202 is slidably installed in the inside of installation groove 201, the top end of sliding block 202 rotatably installs screw rod 203, screw rod 203 extends to the top end of support plate 1 and passes through support plate 1, and screw rod 203 is threadedly connected with support plate 1, the top end of screw rod 203 fixedly installs rotating disc, rotating shaft 204 is rotatably installed between sliding block 202, fixed seat 205 is fixedly installed on rotating shaft 204 and between support plate 1, chair seat 206 is fixedly installed on fixed seat 205, fixed box 207 is fixedly installed on the outside of sliding block 202, rotating shaft 204 extends to the inside of fixed box 207 and passes through sliding block 202 respectively on both ends, and rotating shaft 204 is rotatably connected with the side wall of fixed box 207, the end of rotating shaft 204 fixedly installs worm wheel 208, worm wheel 208 is in the inside of fixed box 207, worm shaft 209 is rotatably installed on fixed box 207, worm shaft 209 is engaged with worm wheel 208, motor 210 is fixedly installed on the outside of fixed box 207, and the motor shaft of motor 210 is fixedly connected with one end of worm shaft 209.

[0024] Specifically, the worm shaft 209 drives the worm wheel 208 and the rotating shaft 204 to rotate, the fixed seat 205 adjusts the angle of the chair seat 206, the worm wheel 208 and the worm shaft 209 have a self-locking function, which can stabilize the angle of the chair seat 206 and prevent tilting caused by external force, improving safety, the screw rod 203 drives the sliding block 202 to slide and drives the chair seat 206 to rise and fall, meeting the needs of different body types and sitting postures and providing users with a comfortable use experience. Embodiment two

[0025] Please refer to the accompanying Figure 1 , Figure 6 and the accompanying Figure 7 , the armrest structure 3 includes an armrest plate 31, a connecting shaft 32, a circular hole 33, and an extension plate 35, the connecting shaft 32 is fixedly installed at the top end of the outside of the support plate 1, a section of the connecting shaft 32 close to the support plate 1 is provided as a light rod, another section of the connecting shaft 32 is provided with a thread, the circular hole 33 is provided on the armrest plate 31, the armrest plate 31 is rotatably installed on the light rod position of the connecting shaft 32 through the circular hole 33, the threaded section of the connecting shaft 32 is threadedly installed with a limiting bolt 34, the limiting bolt 34 limits the armrest plate 31, the extension plate 35 is fixedly installed with sliding rails 36 on both sides, the armrest plate 31 is provided with a sliding groove 37 inside, the extension plate 35 is slidably connected with the sliding groove 37 through the sliding rails 36, and the bottom end of the armrest plate 31 is threadedly installed with a fastening bolt 38, the fastening bolt 38 limits the extension plate 35.

[0026] Specifically, the armrest structure 3 adjusts the angle range of the armrest plate 31 through the limiting bolt 34 to ensure safety and meet daily or special needs (such as reclining support), and the extension plate 35 can adjust the support position to adapt to different arm lengths and postures, provide personalized lifting support for users, reduce arm fatigue, and improve comfort.

[0027] The utility model discloses a novel chair seat turnover mechanism placed in the seat armrest, starts motor 210, and the motor shaft of motor 210 drives the rotation of worm shaft 209, because the meshing relation of worm shaft 209 and worm wheel 208, so worm shaft 209 drives the rotation of worm wheel 208, and worm wheel 208 drives the rotation of rotating shaft 204, and rotating shaft 204 drives chair seat 206 to rotate through fixed seat 205, thereby overturning chair seat 206, when chair seat 206 overturns to the horizontal position, personnel sit on chair seat 206, and unscrewing limiting bolt 34 makes limiting bolt 34 away from armrest plate 31, and armrest plate 31 rotates on connecting shaft 32, when armrest plate 31 rotates to the horizontal, tightens limiting bolt 34, makes limiting bolt 34 contact with armrest plate 31, thereby limiting and fixing armrest plate 31, and armrest plate 31 holds up the arm of personnel.

[0028] When the height of different people, rotating the rotating disc, the rotating disc drives screw rod 203 to rotate in the support plate 1 in the thread, thereby driving sliding block 202 to slide in installation groove 201, and sliding block 202 drives chair seat 206 to raise or lower through rotating shaft 204 and fixed seat 205, when the arm of the person is long, armrest plate 31 can not hold up the arm well, unscrewing fastening bolt 38, and the limitation of extension plate 35 is removed through fastening bolt 38, and extension plate 35 is slid in sliding groove 37 by pulling, when extension plate 35 slides to the appropriate position, rotating fastening bolt 38, makes fastening bolt 38 move in the thread in armrest plate 31, makes the end of fastening bolt 38 contact with extension plate 35, thereby limiting extension plate 35 again, and the length of extension plate 35 is extended, and the arm of different lengths is adapted.

[0029] Finally, it should be noted that: the above only for preferred embodiment of the utility model has been described, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical feature, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A novel seat flip mechanism placed inside a seat armrest, characterized by: The application relates to a chair structure, which comprises a support plate (1), a turnover structure (2) and a handrail structure (3) installed on the support plate (1), the turnover structure (2) comprises an installation groove (201) and a sliding block (202), the sliding block (202) is slidingly installed in the installation groove (201), the sliding block (202) is threadedly connected with the support plate (1) through a screw rod (203), the sliding block (202) is fixedly installed with a seat (206) through a rotating shaft (204) and a fixing base (205), and the outer side of the sliding block (202) is fixedly installed with a fixing box (207); the rotating shaft (204) is meshingly installed with a worm shaft (209) through a worm wheel (208); and the fixing box (207) is fixedly connected with the worm shaft (209) through a motor (210).

2. The novel seat flip mechanism to be placed inside a seat armrest according to claim 1, characterized in that: The number of the support plates (1) is two, and the support plates (1) are symmetrically fixedly installed on the ground.

3. The new seat flip mechanism to be placed inside the armrest of a chair according to claim 2, characterized in that: The installation groove (201) is formed in the support plate (1), the screw rod (203) is rotatably installed at the top end of the sliding block (202), the screw rod (203) extends through the support plate (1) to the top end of the support plate (1), and the screw rod (203) is threadedly connected with the support plate (1); and the top end of the screw rod (203) is fixedly installed with a rotating disc.

4. The novel seat flip mechanism to be placed inside a seat armrest according to claim 3, characterized in that: The rotating shaft (204) is rotatably installed between the sliding blocks (202), the fixing base (205) is fixedly installed on the rotating shaft (204), the seat (206) is fixedly installed on the fixing base (205), the rotating shaft (204) extends through the sliding blocks (202) to the inside of the fixing box (207) at two ends, and the rotating shaft (204) is rotatably connected with the side wall of the fixing box (207); the worm wheel (208) is fixedly installed at the end of the rotating shaft (204); the worm shaft (209) is rotatably installed on the fixing box (207); the worm shaft (209) is meshingly connected with the worm wheel (208); the motor (210) is fixedly installed on the outside of the fixing box (207); and the motor shaft of the motor (210) is fixedly connected with one end of the worm shaft (209).

5. The new seat flip mechanism to be placed inside the armrest of a chair as defined in claim 1, characterized in that: The handrail structure (3) comprises a handrail plate (31), a connecting shaft (32), a circular hole (33) and an extension plate (35); the connecting shaft (32) is fixedly installed at the top end position of the outside of the support plate (1); the connecting shaft (32) is a light rod near the support plate (1); the other section of the connecting shaft (32) is provided with threads; the circular hole (33) is arranged on the handrail plate (31); the handrail plate (31) is rotatably installed on the light rod position of the connecting shaft (32) through the circular hole (33); the threaded section of the connecting shaft (32) is threadedly installed with a limiting bolt (34); and the limiting bolt (34) limits the handrail plate (31).

6. The novel seat flip mechanism to be placed inside a seat armrest according to claim 5 characterized in that: The extension plate (35) is fixedly installed with sliding rails (36) at two sides; the handrail plate (31) is provided with a sliding groove (37) in the inside; the extension plate (35) is slidingly connected with the sliding groove (37) through the sliding rails (36); the bottom end of the handrail plate (31) is threadedly installed with a fastening bolt (38); and the fastening bolt (38) limits the extension plate (35).

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