Wooden chair with cantilever support

Abstract

The utility model relates to the technical field of wooden chairs, in particular to a wooden chair with a cantilever support, which comprises a chair plate, an adjusting cylinder mounted on one side of the chair plate, a retractable stretching mechanism mounted on the chair plate and the adjusting cylinder, a backrest mounted on the retractable stretching mechanism, and armrests mounted on two sides of the chair plate. Wherein the tops of one set of armrests are in threaded connection with a cantilever support body through multiple sets of bolts, a mobile phone support is installed at the end, away from the armrests, of the cantilever support body, the folding and unfolding mechanism comprises a turning assembly and a lifting assembly, the turning assembly is used for adjusting the leaning angle of the backrest, and the lifting assembly is used for adjusting the height position of the chair plate; the chair is simple in structure and convenient to operate, the height of the chair plate and the leaning angle of the backrest can be flexibly adjusted according to the heights of different persons and use scenes in actual use, and the practicability of the chair in use is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wooden chair technical field, concretely relates to a wooden chair with cantilever support. BACKGROUND

[0002] In the field of office and home supplies, a chair is a seat with a backrest and some with armrests. Chairs can be divided into solid wood chairs, glass chairs, iron chairs, plastic chairs, cloth chairs, leather chairs, and foam chairs according to the material. Chairs can be divided into office chairs, dining chairs, bar chairs, leisure chairs, reclining chairs, and special chairs according to the use. Among them, wooden chairs are chairs made of wood as the main material, which have the characteristics of natural beauty, environmental protection, health, durability, and comfort. However, when people use wooden chairs, they often pursue comfort while also hoping that the chair has other designs that are convenient for work or entertainment.

[0003] To solve the above technical problems, the existing technology discloses a chair with a cantilever support, including a chair leg, a seat, a soft seat, a cantilever support, a wooden backrest, a soft backrest, an armrest, a fixing piece, characterized in that: the front chair leg is provided with an armrest upwards, the rear chair leg is provided with a wooden backrest upwards, the chair leg and the armrest and the wooden backrest are provided with a seat at the intersection, the other end of the armrest is provided on both sides of the wooden backrest, the seat is provided with a soft seat, the wooden backrest is provided with a soft backrest in front, the armrest is provided with a fixing piece at the bending part, and the fixing piece is connected with the cantilever support.

[0004] The above-mentioned prior art solution sets a cantilever support at the armrest, which can be used to hold mobile phones, tablets, and other work or entertainment items. However, the wooden backrest angle is fixed, and the chair leg length cannot be adjusted. Therefore, the personnel cannot adjust the chair to the appropriate leaning posture for office work or study, which affects the practicality of the chair during use. SUMMARY

[0005] (1) Technical problem to be solved

[0006] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a wooden chair with a cantilever support, which aims to solve the technical problem of the wooden backrest angle being fixed and the chair leg length being unable to be adjusted in the prior art, so that personnel cannot adjust the chair to the appropriate leaning posture for office work or study, which affects the practicality of the chair during use.

[0007] (2) Technical solution

[0008] In order to solve the above technical problems, the utility model provides a kind of wooden chair with cantilever support, including chair board, the side of chair board is equipped with adjusting cylinder, and folding and stretching mechanism is installed on chair board and adjusting cylinder, backrest is installed on folding and stretching mechanism, the both sides of chair board are equipped with armrest, the top of one group of armrest is connected with cantilever support main body by a plurality of bolts, and mobile phone support is installed on the end of cantilever support main body away from armrest, folding and stretching mechanism includes adjusting assembly and lifting assembly, adjusting assembly is used to adjust the angle of backrest, and lifting assembly is used to adjust the height position of chair board.

[0009] When using the wooden chair with cantilever support of the present application, when the personnel need to adjust the angle of the backrest, the twisting sleeve can be first held to drive the connecting rod to slide outside the connecting rod, the reset plate also slides inside the reset slot and presses the two groups of first springs, after the fixed column is pulled out from the fixed hole, the twisting can be carried out, the limiting block abuts against the limiting slot to drive the connecting rod and the damping shaft to rotate together, the damping shaft drives the deflection plate and the backrest to move, so that the backrest can adjust the angle for the personnel to lean, after the angle adjustment is completed, the twisting sleeve is no longer pulled out and is reattached to the surface of the adjusting disc along the retraction force of the two groups of first springs, so that the fixed column is inserted into the corresponding fixed hole, the magnetic block and the iron block are adsorbed and matched with the two groups of first springs and the damping shaft to further enhance the positioning effect, the structure is simple and convenient to operate, and in actual use, the height of the chair board and the leaning angle of the backrest can be flexibly adjusted according to the height of different personnel and the use scene, further increasing the practicability when using.

[0010] Preferably, the adjusting assembly includes a deflection slot opened on one side of the adjusting cylinder, a damping shaft is rotatably connected inside the adjusting cylinder, a deflection plate is sleeved outside the damping shaft, the other end of the deflection plate is fixedly connected with one side of the backrest, an adjusting disc is installed on one side of the outer wall of the adjusting cylinder, one end inside the adjusting disc is rotatably connected with the connecting rod, one end of the connecting rod is fixedly connected with one end of the damping shaft, and the deflection plate is slidably connected with the deflection slot.

[0011] Further, a reset slot is opened inside the adjusting disc outside the connecting rod, a reset plate is slidably connected inside the reset slot, and the first spring is installed between the two ends of one side of the reset plate and the inner wall of the reset slot.

[0012] Still further, one end of the connecting rod extending to the outside of the adjusting disc is slidably connected with a twisting sleeve, a twisting handle is installed on the end of the twisting sleeve away from the adjusting disc, a limiting slot is opened on both sides of the outer wall of the connecting rod inside the twisting sleeve, and the limiting block slidably connected with the limiting slot is installed on both ends of the outer wall of the connecting rod.

[0013] Further, a plurality of fixing holes are arranged on one side of the adjusting disc, one end of the twisting sleeve close to the adjusting disc is provided with a fixing column, a magnetic block is embedded on one end of the fixing column, and an iron block that is adsorbed with the magnetic block is embedded on the inner wall of the fixing hole.

[0014] Further, the lifting assembly comprises a lifting cylinder installed at one corner of the bottom of the chair plate, three other corners of the bottom of the chair plate are provided with sliding columns, the outer sides of the lifting cylinder and the sliding columns are slidably connected with supporting sleeves, the lifting cylinder and the sliding columns have the same diameter, connecting plates are installed between two adjacent groups of supporting sleeves, the inner wall of one group of supporting sleeves is provided with sliding grooves on both sides, and the outer wall of the lifting cylinder is provided with sliding blocks that are slidably connected with the sliding grooves.

[0015] Further, a threaded rod is rotatably connected to the inner side of one group of supporting sleeves, the outer side of the threaded rod is threadedly connected with the lifting cylinder, a first bevel gear is installed at the bottom end of the outer wall of the threaded rod, the first bevel gear is meshedly connected with a second bevel gear on one side, and a handle wheel is rotatably connected to the outer side of one group of supporting sleeves.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the utility model lie in that:

[0018] 1. In the utility model, the leaning angle of the backrest is adjusted through the adjusting assembly, and the height position of the chair plate is adjusted through the lifting assembly, so that the height of the chair plate and the leaning angle of the backrest can be flexibly adjusted according to the height of different persons and the use scene in actual use, and the practicability in use is further increased.

[0019] 2. In the utility model, after the angle is adjusted, the twisting sleeve is no longer pulled out and is again attached to the surface of the adjusting disc along the retraction force of the two groups of first springs, so that the fixing column is clamped into the corresponding fixing hole, the magnetic block and the iron block are adsorbed, and the positioning effect is further strengthened by the two groups of first springs and the damping rotating shaft. DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a three-dimensional structure schematic view of the adjusting disc and the handle of the utility model;

[0022] Figure 3 It is a three-dimensional structure schematic view of the supporting sleeve and the handle wheel of the utility model;

[0023] Figure 4 It is a three-dimensional structure schematic view of the cantilever support of the utility model;

[0024] Figure 5The utility model discloses a partial section structure schematic diagram of adjusting cylinder and adjusting disc.

[0025] Figure 6 The utility model discloses a partial section structure schematic diagram of support sleeve.

[0026] In the drawing: 1, chair board;2, adjusting cylinder;3, backrest;4, armrest;5, cantilever support main body;6, damping pivot;7, deflection plate;8, adjusting disc;9, connecting rod;10, reset plate;11, first spring;12, torsion sleeve;13, handle;14, limit block;15, fixed column;16, magnetic block;17, lifting cylinder;18, sliding column;19, support sleeve;20, sliding block;21, threaded rod;22, first bevel gear;23, hand wheel;24, mobile phone support. DETAILED DESCRIPTION

[0027] The utility model discloses a kind of wooden chairs with cantilever support, and its structure schematic diagram is as shown in Figures 1-6 The wooden chair with cantilever support includes chair board 1, adjusting cylinder 2 is installed on the side of chair board 1, folding and stretching mechanism is installed on chair board 1 and adjusting cylinder 2, backrest 3 is installed on folding and stretching mechanism, armrest 4 is installed on the both sides of chair board 1, and the top of one group of armrest 4 is connected with cantilever support main body 5 by a plurality of bolts, mobile phone support 24 is installed on the end of cantilever support main body 5 away from armrest 4, folding and stretching mechanism includes adjusting assembly and lifting assembly, adjusting assembly is used to adjust the reclining angle of backrest 3, lifting assembly is used to adjust the height position of chair board 1, the device can adjust the reclining angle of backrest 3 by adjusting assembly when using, the height position of chair board 1 is adjusted by lifting assembly, and the device is simple in structure and convenient to operate, the height of chair board 1 and the reclining angle of backrest 3 can be flexibly adjusted according to the height of different personnel and use scene when actually using, and the practicality of the device when using is further increased.

[0028] In the embodiment, the adjusting assembly includes deflection groove opened in the side of adjusting cylinder 2, damping pivot 6 is rotationally connected to the inner side of adjusting cylinder 2, deflection plate 7 is sleeved on the outer side of damping pivot 6, the other end of deflection plate 7 is fixedly connected with the side of backrest 3, adjusting disc 8 is installed on the side of the outer wall of adjusting cylinder 2, one end in the inside of adjusting disc 8 is rotationally connected with connecting rod 9, one end of connecting rod 9 is fixedly connected with one end of damping pivot 6, deflection plate 7 is slidably connected with deflection groove, when personnel need to adjust the angle of backrest 3, first hold handle 13 to drive torsion sleeve 12 to slide on the outer side of connecting rod 9, reset plate 10 also slides in reset groove and extrudes two groups of first spring 11, after fixed column 15 is extracted from fixed hole, torsion can be carried out.

[0029] Secondly, in the embodiment, the inside of the adjusting disc 8 is provided with a reset slot outside the connecting rod 9, the reset plate 10 is slidably connected inside the reset slot, the first spring 11 is installed between the two ends of one side of the reset plate 10 and the inner wall of the reset slot, the limiting block 14 is abutted with the limiting slot during the twisting to drive the connecting rod 9 and the damping rotating shaft 6 to rotate, the damping rotating shaft 6 drives the deflection plate 7 and the backrest 3 to move, so that the backrest 3 can adjust the angle for people to lean on.

[0030] In addition, in the embodiment, the inside of the adjusting disc 8 is provided with a reset slot outside the connecting rod 9, the reset plate 10 is slidably connected inside the reset slot, the first spring 11 is installed between the two ends of one side of the reset plate 10 and the inner wall of the reset slot, a plurality of fixing holes are arranged on one side of the adjusting disc 8, the fixed column 15 is installed on one end of the side of the twisting sleeve 12 close to the adjusting disc 8, the magnetic block 16 is embedded on one end of the fixed column 15, the iron block is embedded on the inner wall of the fixing hole and is adsorbed with the magnetic block 16, after the angle adjustment is completed, the twisting sleeve 12 is no longer pulled out and is reattached to the surface of the adjusting disc 8 along the retraction force of the two groups of first springs 11, so that the fixed column 15 is clamped into the corresponding fixing hole, the magnetic block 16 is adsorbed with the iron block, and the two groups of first springs 11 and the damping rotating shaft 6 further strengthen the positioning effect.

[0031] Further, in the embodiment, the lifting assembly includes the lifting cylinder 17 installed at one corner of the bottom of the chair plate 1, the sliding column 18 is installed at the other three places of the bottom of the chair plate 1, the outer sides of the lifting cylinder 17 and the sliding column 18 are slidably connected with the support sleeve 19, the diameters of the lifting cylinder 17 and the sliding column 18 are the same, the connecting plate is installed between the two adjacent groups of support sleeves 19, the sliding grooves are arranged on the inner walls of one side of the support sleeve 19, the sliding blocks 20 are installed on the outer walls of the lifting cylinder 17 and are slidably connected with the sliding grooves, when the person feels that the height of the chair plate 1 is close to or far from the desktop or is affected by the height factor, the second bevel gear can be rotated by holding the handle wheel 23, the first bevel gear 22 is rotated at the same time, the threaded rod 21 is rotated, when the lifting cylinder 17 is affected by the threaded rod 21 and starts to move, the sliding block 20 can move in the sliding groove at the same time, so as to ensure the stability of the lifting cylinder 17 during the movement.

[0032] Further, in the embodiment, the inner side of one set of support sleeves 19 is rotationally connected with a threaded rod 21, the outer side of the threaded rod 21 is threadedly connected with the lifting cylinder 17, the bottom end of the outer wall of the threaded rod 21 is provided with a first bevel gear 22, one side of the first bevel gear 22 is meshingly connected with a second bevel gear, the outer side of one set of support sleeves 19 is rotationally connected with a handle wheel 23, when the lifting cylinder 17 drives the chair plate 1 to ascend or descend, the three sets of sliding columns 18 also ascend or descend, and each set of support sleeves 19 can be kept stable and unmoved through the positioning of the multiple sets of connecting plates, and the cantilever support main body 5 can drive the mobile phone support to be adjusted to different angle positions for the user to use.

[0033] When the wood chair with the cantilever support is used, when the user needs to adjust the angle of the backrest 3, the twist handle 13 is held to drive the twist sleeve 12 to slide outside the connecting rod 9, the reset plate 10 also slides inside the reset slot and presses the two sets of first springs 11, the fixed column 15 is pulled out of the fixed hole, and then the twist sleeve 12 is twisted, the limiting block 14 abuts against the limiting slot to drive the connecting rod 9 and the damping rotating shaft 6 to rotate, the damping rotating shaft 6 drives the deflection plate 7 and the backrest 3 to move, so that the backrest 3 can be adjusted in angle for the user to lean against, after the angle adjustment is completed, the twist sleeve 12 is no longer pulled out and is again attached to the surface of the adjusting disc 8 under the contraction force of the two sets of first springs 11, so that the fixed column 15 is clamped into the corresponding fixed hole, the magnetic block 16 and the iron block are adsorbed and matched, the two sets of first springs 11 and the damping rotating shaft 6 further strengthen the positioning effect, when the user feels that the height of the chair plate 1 is close to or far from the desktop or is affected by the height factor, the handle wheel 23 is held to drive the second bevel gear to rotate, the first bevel gear 22 is also rotated, the threaded rod 21 is rotated, the sliding block 20 moves inside the sliding slot when the lifting cylinder 17 is affected by the threaded rod 21 and starts to move, so as to ensure the stability of the lifting cylinder 17 when moving, when the lifting cylinder 17 drives the chair plate 1 to ascend or descend, the three sets of sliding columns 18 also ascend or descend, and each set of support sleeves 19 can be kept stable and unmoved through the positioning of the multiple sets of connecting plates, and the cantilever support main body 5 can drive the mobile phone support to be adjusted to different angle positions for the user to use.

[0034] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can also be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. A wooden chair with cantilevered armrests, comprising a seat (1), characterized in that: One side of the chair board (1) is provided with an adjusting cylinder (2), the chair board (1) and the adjusting cylinder (2) are provided with a folding and stretching mechanism, the folding and stretching mechanism is provided with a backrest (3), both sides of the chair board (1) are provided with armrests (4), the top of one group of the armrests (4) is threadedly connected with a cantilever support body (5) through a plurality of bolts, one end of the cantilever support body (5) away from the armrest (4) is provided with a mobile phone support (24), the folding and stretching mechanism comprises a turning assembly and a lifting assembly, the turning assembly is used for adjusting the leaning angle of the backrest (3), and the lifting assembly is used for adjusting the height position of the chair board (1).

2. A wooden chair with cantilevered armrests according to claim 1, characterized in that: The turning assembly comprises a deflection groove formed in one side of the adjusting cylinder (2), a damping rotating shaft (6) is rotatably connected to the inner side of the adjusting cylinder (2), the damping rotating shaft (6) is sleeved with a deflection plate (7) on the outer side, one end of the deflection plate (7) is fixedly connected to one side of the backrest (3), and one side of the outer wall of the adjusting cylinder (2) is provided with an adjusting disc (8). One end of the adjusting disc (8) is rotatably connected with a connecting rod (9) in the inside, one end of the connecting rod (9) is fixedly connected with one end of the damping rotating shaft (6), and the deflection plate (7) is slidably connected with the deflection groove.

3. A wooden chair with cantilevered armrests according to claim 2, characterized in that: The inside of the adjusting disc (8) is provided with a reset groove outside the connecting rod (9), and the reset groove is slidably connected with a reset plate (10). The first spring (11) is arranged between the two ends of one side of the reset plate (10) and the inner wall of the reset groove.

4. A wooden chair with cantilevered armrests according to claim 3, characterized in that: One end of the connecting rod (9) extending to the outside of the adjusting disc (8) is slidably connected with a torsion sleeve (12), one end of the torsion sleeve (12) away from the adjusting disc (8) is provided with a handle (13), and the inside of the torsion sleeve (12) is provided with a limiting groove on both sides of the outer wall of the connecting rod (9). The outer wall of the connecting rod (9) is provided with a limiting block (14) which is slidably connected with the limiting groove.

5. A wooden chair with cantilevered armrests according to claim 4, characterized in that: A plurality of fixing holes are arranged on one side of the adjusting disc (8), one end of the torsion sleeve (12) close to the adjusting disc (8) is provided with a fixing column (15), one end of the fixing column (15) is embeddedly provided with a magnetic block (16), and the inner wall of the fixing hole is embeddedly provided with an iron block which is adsorbed with the magnetic block (16).

6. A wooden chair with cantilevered armrests according to claim 5, characterized in that: The lifting assembly comprises a lifting cylinder (17) arranged at one corner of the bottom of the chair board (1), sliding columns (18) are arranged at the other three corners of the bottom of the chair board (1), the outer sides of the lifting cylinder (17) and the sliding columns (18) are slidably connected with supporting sleeves (19), the diameters of the lifting cylinder (17) and the sliding columns (18) are the same, connecting plates are arranged between adjacent two groups of supporting sleeves (19), the inner wall of one group of the supporting sleeves (19) is provided with sliding grooves on both sides, and the outer wall of the lifting cylinder (17) is provided with sliding blocks (20) which are slidably connected with the sliding grooves.

7. A wooden chair with cantilevered armrests according to claim 6, characterized in that: One group of the support sleeve (19) is rotatably connected with a threaded rod (21), the outer side of the threaded rod (21) is threadedly connected with a lifting cylinder (17), the bottom end of the outer wall of the threaded rod (21) is provided with a first bevel gear (22), one side of the first bevel gear (22) is meshedly connected with a second bevel gear, and the outer side of one group of the support sleeve (19) is rotatably connected with a handle wheel (23).

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