CN210783606U

CN210783606U - Adjustable stool

Info

Publication number: CN210783606U
Application number: CN201921722080.6U
Authority: CN
Inventors: 王涛; 杨起棣; 张春辉; 刘科
Original assignee: Nanjing Institute of Mechatronic Technology
Current assignee: Nanjing Institute of Mechatronic Technology
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-06-19
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses an adjustable stool, including bench face and bench leg, the bench face is platelike structure, and the bench leg is provided with four, the bench leg distributes in rectangle four corners position, and the bench leg passes through the hinge to be connected bottom the bench face, and among the spatial structure that the bench leg is constituteed, two sets of relative sides are provided with mount and alignment jig respectively, and bench leg lower extreme is connected with the supporting part. When the stool is used, the cross angle of the adjusting frames and the connecting position of the adjusting rods can be adjusted, and then the opening and closing angles of the stool legs are adjusted, so that the height of the stool surface is adjusted. And after the stool surface is adjusted to a proper height, the locking bolt and the locking component are locked again. The lower extreme of stool leg is connected with the supporting part, and the base passes through spherical spindle nose to be connected in the supporting part, but free rotation, and when the slope takes place for the stool, the bottom surface of base laminates the bottom surface all the time, improves stool stability.

Description

Adjustable stool

Technical Field

The utility model relates to a stool field especially relates to an adjustable stool.

Background

The stool is furniture indispensable in daily life. The height of the prior stool is fixed, and the prior stool can not meet different height requirements of different people or different use scenes. When the stool is used, if the stool is inclined, the contact area between the lamp feet and the ground is reduced, the stability is greatly reduced, and the tilting accident is easy to happen.

Disclosure of Invention

In order to solve the above problem, the utility model provides an adjustable stool is provided with the alignment jig on the bench leg, can adjust bench face height, is provided with the supporting part on the bench leg simultaneously, and when the bench took place to incline, the supporting part terminal surface contacted ground all the time, improved bench stability.

To achieve the purpose, the utility model provides an adjustable stool, which comprises a stool surface and four stool legs, wherein the stool surface is of a plate-shaped structure, the stool legs are arranged at four corners of a rectangle, the stool legs are connected with the bottom of the stool surface through hinges, two groups of opposite sides of a three-dimensional structure consisting of the stool legs are respectively provided with a fixing frame and an adjusting frame, the fixing frame is a horizontal fixed cross rod arranged between the two stool legs, two ends of the fixing frame are fixedly connected with the stool legs and are vertical to the two connected stool legs, the adjusting frame comprises two adjusting rods, the two adjusting rods are arranged in a crossed manner, the upper ends of the two adjusting rods are connected with a connecting part arranged on the stool legs through hinges, the connecting part is fixedly connected with the stool legs, the lower ends of the two adjusting rods are connected with a supporting column through hinges, the middle parts of the adjusting rods are adjusting parts, the, the adjusting grooves are strip-shaped through grooves arranged along the axis direction of the adjusting rods, after the locking bolts penetrate through the adjusting grooves of the two adjusting rods, the end parts of the locking bolts are screwed with nuts to lock so as to realize the cross connection of the two adjusting rods, and the relative positions of the two adjusting rods can be adjusted by loosening the nuts; the stool leg is of a hollow tubular structure, two stool legs provided with the adjusting frame are respectively provided with a sliding groove and a positioning groove, the sliding grooves are straight grooves formed in opposite parts of the side surfaces of the two stool legs, the sliding grooves are opened at the bottoms of the stool legs, the positioning grooves are opposite to the sliding grooves, the positioning grooves are vertical grooves, the sliding grooves and the positioning grooves are communicated with the side walls of the stool legs, the supporting column comprises a sliding column and a hinged seat, the sliding column is a column body sleeved in the stool legs, the sliding column slides in the stool legs, the hinged seat is a protrusion at the extending part of the side wall of the sliding column, and the hinged seat extends out of the stool legs from the sliding grooves and is hinged with the end part of the adjusting rod; the support column is also provided with a locking part, the locking part comprises a rotating shaft, one end of the rotating shaft is a handle, the other end of the rotating shaft is a limiting part, the limiting part is of a plate-shaped structure, the width of the limiting part is larger than that of the fixing groove, a screw is arranged at the end part of the limiting part, the screw penetrates through the fixing groove and then is in threaded connection with the sliding column, and after the screw is screwed into the sliding column, the limiting part is tightly attached to the outer wall of the stool leg to fix the; the stool leg lower extreme is connected with the supporting part, the supporting part includes the back shaft, the back shaft is the cylinder structure, and the back shaft upper end is lifted for spacing shoulder, spacing shoulder is lifted the diameter and is less than stool leg internal diameter, spacing shoulder is lifted and is provided with the screw thread post, screw thread post and stool leg lower extreme inner wall threaded connection, the back shaft lower extreme is provided with spherical spindle nose, spherical spindle nose scarf joint and base, the base provides the support with ground contact.

The utility model discloses a further improvement, two connecting blocks have still been adjusted on the locking bolt, the connecting block is for setting up the notched block, the recess width is the same with adjusting the pole width, and two connecting blocks are located two respectively and adjust the pole outside, and two are adjusted the pole embedding recesses.

The utility model discloses a further improvement, the locating plate has still been cup jointed on the locking part screw rod, the locating plate is the outside arc of laminating bench leg.

The utility model discloses a further improvement, bench leg and supporting part are the metal and make, threaded post screw in bench leg back and bench leg welded connection on the supporting part.

The application provides an adjustable stool has following characteristic:

1) the stool legs are provided with the adjusting frames, and the opening and closing angles of the stool legs can be adjusted by adjusting the cross angles of the adjusting frames and the connecting positions of the adjusting rods, so that the height of the stool surface can be adjusted, and the stool can meet various height requirements of people;

2) the lower extreme of stool leg is connected with the supporting part, and the base passes through spherical spindle nose to be connected in the supporting part, but free rotation, and when the slope takes place for the stool, the bottom surface of base laminates the bottom surface all the time, improves stool stability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the supporting portion;

FIG. 3 is a first schematic view of an adjusting bracket;

FIG. 4 is a second schematic view of the structure of the adjusting frame;

FIG. 5 is a schematic view of a support column structure;

FIG. 6 is a schematic view of the locking member construction;

description of the labeling:

1. a stool surface; 2. stool legs; 3. an adjusting bracket; 4. a fixed mount; 5. a support portion; 201. a connecting portion; 202. a sliding groove; 203. positioning a groove; 301. adjusting a rod; 302. an adjustment section; 303. an adjustment groove; 304. connecting blocks; 305. positioning a plate; 306. a locking member; 3061. a rotating shaft; 3062. a limiting part; 3063. a screw; 3064. a handle; 307. a support pillar; 3071. a sliding post; 3072. a hinged seat; 308. locking the bolt; 501. a support shaft; 502. a limiting shoulder is lifted; 503. a threaded post; 504. a spherical shaft head; 505. a base.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

as shown in fig. 1, an adjustable stool comprises a stool surface 1 and stool legs 2, wherein the stool surface 1 is of a plate-shaped structure, the stool legs 2 are four, the stool legs 2 are distributed at four corners of a rectangle, the stool legs 2 are connected with the bottom of the stool surface 1 through hinges, two groups of opposite side surfaces are respectively provided with a fixing frame 4 and an adjusting frame 3 in a three-dimensional structure formed by the stool legs 2, and the lower ends of the stool legs 2 are connected with a supporting part 5. The fixing frame 4 is a horizontal fixing cross rod arranged between the two stool legs 2, and two ends of the fixing frame 4 are fixedly connected with the stool legs 2 and are perpendicular to the two stool legs 2.

As shown in fig. 2, the support portion 5 includes a support shaft 501, the support shaft 501 is a cylindrical structure, the upper end of the support shaft 501 is a limit shoulder-lift 502, the diameter of the limit shoulder-lift 502 is smaller than the inner diameter of the stool leg 2, a threaded column 503 is arranged on the limit shoulder-lift 502, the threaded column 503 is in threaded connection with the inner wall of the lower end of the stool leg 2, a spherical shaft head 504 is arranged at the lower end of the support shaft 501, the spherical shaft head 504 is embedded in a base 505, and the base 505 is in contact.

As shown in fig. 3 and 4, the adjusting frame 3 includes two adjusting rods 301, the two adjusting rods 301 are disposed in a crossing manner, the upper ends of the two adjusting rods 301 are connected to the connecting portion 201 disposed on the stool leg 2 through hinges, and the connecting portion 201 is fixedly connected to the stool leg 2. The lower ends of the two adjusting rods 301 are connected to the supporting column 307 through hinges. The middle part of each adjusting rod 301 is provided with an adjusting part 302, the center of each adjusting part 302 is provided with an adjusting groove 303, each adjusting groove 303 is a strip-shaped through groove arranged along the axial direction of each adjusting rod 301, the locking bolts 308 penetrate through the adjusting grooves 303 of the two adjusting rods 301, the end parts of the locking bolts are screwed with nuts to realize the cross connection of the two adjusting rods 301, and the relative positions of the two adjusting rods 301 can be adjusted by loosening the nuts; two connecting blocks 304 are further adjusted on the locking bolt 308, the connecting blocks 304 are blocks provided with grooves, the width of each groove is the same as that of the corresponding adjusting rod 301, the two connecting blocks 304 are respectively located on the outer sides of the two adjusting rods 301, and the two adjusting rods 301 are embedded into the grooves. Support column 307 sliding connection in bench leg 2, bench leg 2 is the hollow tubular structure, all is provided with sliding tray 202 and constant head tank 203 on two bench legs 2 that are provided with alignment jig 3, and sliding tray 202 is the straight flute that sets up at 2 side relative parts of two bench legs, and sliding tray 202 is at 2 bottom openings of bench leg, and constant head tank 203 sets up with sliding tray 202 relatively, and constant head tank 203 is the vertical flute, and sliding tray 202 and constant head tank 203 all link up 2 lateral walls of bench leg.

As shown in fig. 5, the support column 307 includes a sliding column 3071 and a hinge seat 3072, the sliding column 3071 is a cylinder sleeved in the leg 2, the sliding column 3071 slides in the leg 2, the hinge seat 3072 is a protrusion extending from the side wall of the sliding column 3071, and the hinge seat extends out of the leg 2 from the sliding groove 202 and has an end portion hinged to the end portion of the adjustment lever 301. The supporting column 307 is further provided with a locking component 306, as shown in fig. 6, the locking component 306 includes a rotating shaft 3061, one end of the rotating shaft 3061 is a handle 3064, the other end of the rotating shaft 3062 is a limiting portion 3062, the limiting portion 3062 is a plate-shaped structure with the width larger than the width of the fixing groove, a screw 3063 is arranged at the end of the limiting portion 3062, the screw 3063 penetrates through the fixing groove and then is in threaded connection with the sliding column 3071, the screw 3063 of the locking component 306 is further sleeved with a positioning plate 305, and the positioning plate 305 is an arc-shaped plate attached. After the screw 3063 is screwed into the sliding post 3071, the limit portion 3062 is tightly attached to the positioning plate 305 and presses the positioning plate 305 against the outer wall of the leg 2 to fix the sliding post 3071 to the leg 2.

In actual use, in order to ensure that the support part 5 is slightly connected with the stool legs 2, the stool legs 2 and the support part 5 are made of metal, and the threaded columns 503 on the support part 5 are screwed into the stool legs 2 and then are welded with the stool legs 2.

When the adjustable bench is used, after the locking bolts 308 and the locking components 306 are loosened, the cross angle of the adjusting frames 3 and the connecting position of the adjusting rods 301 can be adjusted, and then the opening and closing angle of the bench legs 2 is adjusted, so that the height of the bench surface 1 is adjusted. When the bench top 1 is adjusted to a proper height, the locking bolt 308 and the locking component 306 are locked again. The lower end of the stool leg 2 is connected with a support part 5, a base 505 in the support part 5 is connected through a spherical shaft head 504 and can rotate freely, and when the stool is inclined, the bottom surface of the base 505 is always attached to the bottom surface, so that the stability of the stool is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but also to cover any modifications or equivalent changes made in the technical spirit of the present invention, which fall within the scope of the present invention.

Claims

1. An adjustable stool comprises a stool surface and stool legs, wherein the stool surface is of a plate-shaped structure, and the stool legs are four in number, and the adjustable stool is characterized in that the stool legs are distributed at four corners of a rectangle, the stool legs are connected with the bottom of the stool surface through hinges, in a three-dimensional structure consisting of the stool legs, two groups of opposite side surfaces are respectively provided with a fixing frame and an adjusting frame, the fixing frame is a horizontal fixed cross rod arranged between the two stool legs, two ends of the fixing frame are fixedly connected with the stool legs and are perpendicular to the two connected stool legs, the adjusting frame comprises two adjusting rods, the two adjusting rods are arranged in a crossed manner, the upper ends of the two adjusting rods are connected with connecting parts arranged on the stool legs through hinges, the connecting parts are fixedly connected with the stool legs, the lower ends of the two adjusting rods are connected with supporting columns through hinges, the middle, the adjusting grooves are strip-shaped through grooves arranged along the axis direction of the adjusting rods, after the locking bolts penetrate through the adjusting grooves of the two adjusting rods, the end parts of the locking bolts are screwed with nuts to lock so as to realize the cross connection of the two adjusting rods, and the relative positions of the two adjusting rods can be adjusted by loosening the nuts; the stool leg is of a hollow tubular structure, two stool legs provided with the adjusting frame are respectively provided with a sliding groove and a positioning groove, the sliding grooves are straight grooves formed in opposite parts of the side surfaces of the two stool legs, the sliding grooves are opened at the bottoms of the stool legs, the positioning grooves are opposite to the sliding grooves, the positioning grooves are vertical grooves, the sliding grooves and the positioning grooves are communicated with the side walls of the stool legs, the supporting column comprises a sliding column and a hinged seat, the sliding column is a column body sleeved in the stool legs, the sliding column slides in the stool legs, the hinged seat is a protrusion at the extending part of the side wall of the sliding column, and the hinged seat extends out of the stool legs from the sliding grooves and is hinged with the end part of the adjusting rod; the support column is also provided with a locking part, the locking part comprises a rotating shaft, one end of the rotating shaft is a handle, the other end of the rotating shaft is a limiting part, the limiting part is of a plate-shaped structure, the width of the limiting part is larger than that of the fixing groove, a screw is arranged at the end part of the limiting part, the screw penetrates through the fixing groove and then is in threaded connection with the sliding column, and after the screw is screwed into the sliding column, the limiting part is tightly attached to the outer wall of the stool leg to fix the; the stool leg lower extreme is connected with the supporting part, the supporting part includes the back shaft, the back shaft is the cylinder structure, and the back shaft upper end is lifted for spacing shoulder, spacing shoulder is lifted the diameter and is less than stool leg internal diameter, spacing shoulder is lifted and is provided with the screw thread post, screw thread post and stool leg lower extreme inner wall threaded connection, the back shaft lower extreme is provided with spherical spindle nose, spherical spindle nose scarf joint and base, the base provides the support with ground contact.

2. The adjustable stool of claim 1, wherein: the locking bolt is further adjusted with two connecting blocks, the connecting blocks are blocks provided with grooves, the widths of the grooves are the same as those of the adjusting rods, the two connecting blocks are respectively positioned on the outer sides of the two adjusting rods, and the two adjusting rods are embedded into the grooves.

3. The adjustable stool of claim 2, wherein: the locking part screw rod is also sleeved with a positioning plate which is an arc-shaped plate attached to the outside of the stool leg.

4. The adjustable stool of any one of claims 1 to 3, wherein: the stool legs and the supporting parts are made of metal, and the threaded columns on the supporting parts are screwed into the stool legs and then are connected with the stool legs in a welding mode.