CN211092802U

CN211092802U - Public chair with rotatable chair seat

Info

Publication number: CN211092802U
Application number: CN201921806573.8U
Authority: CN
Inventors: 张庆贞; 苏朝辉; 王振华; 郭枫; 陈国�
Original assignee: Shandong Huayu University of Technology
Current assignee: Shandong Huayu University of Technology
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-28
Anticipated expiration: 2029-10-25

Abstract

The utility model relates to a public chair technical field especially relates to a rotatable public chair of seat. The public seat comprises a seat frame and a plurality of groups of seat units. Each group of seat units comprises a support frame, a plurality of seat surfaces, a rotating shaft and an adjusting mechanism; the support frame is rotatably connected with the chair frame, and a plurality of rotating surfaces are arranged on the support frame; the plurality of chair surfaces are distributed at the plurality of rotating surfaces and are fixedly connected with the supporting frame; the rotating shaft penetrates through the supporting frame and is in transmission connection with the supporting frame, and two ends of the rotating shaft are rotatably connected with the chair frame; the adjusting mechanism is in transmission connection with the rotating shaft; the adjusting mechanism is used for driving the rotating shaft to rotate and driving the supporting frame to rotate around the central axis of the rotating shaft; the embodiment of the utility model provides an in the support frame can revolute the central axis rotation of axle, can be up until clean seat through guiding mechanism rotation support frame after the seat is contaminated to through the locking mechanism locking in corresponding position, improved public seat's utilization ratio.

Description

Public chair with rotatable chair seat

Technical Field

The utility model relates to a public chair technical field, concretely relates to rotatable public chair of seat.

Background

Public seats are generally arranged in public places such as parks, communities, large amusement parks, shopping squares and the like, and can enable people to have private spaces for special activities such as resting, snacking, reading, napping, knitting, playing chess, sunning, watching people, talking and the like.

The existing public seats are generally divided into an outdoor seat and an indoor seat, the outdoor seat is arranged in the open air, the seat surface of the seat is wet or full of sundries due to environmental factors such as rainy days, and the seat surface of the seat is polluted due to the fact that people trample or pour beverages, so that the utilization value of the seat is lost, and the utilization rate of the public seat is reduced.

Therefore, there is a need for a public seat that can be turned over to a clean seat surface when the seat surface is contaminated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the above-mentioned technical problem who exists among the prior art, provide a rotatable public seat of seat, can overturn to another clean seat and locking after the seat is contaminated and supply people to sit down at corresponding position and have a rest, improved public seat's utilization ratio.

In order to achieve the above technical purpose, an embodiment of the utility model provides a rotatable public chair of seat, including the chair frame, still include: the plurality of groups of seat units are arranged at intervals along the extending direction of the seat frame; each group of seat units comprises a support frame, a plurality of seat surfaces, a rotating shaft and an adjusting mechanism; the support frame is rotatably connected with the chair frame, and a plurality of rotating surfaces are arranged on the support frame; the plurality of chair surfaces are distributed at the plurality of rotating surfaces and are fixedly connected with the supporting frame; the rotating shaft penetrates through the supporting frame and is in transmission connection with the supporting frame, and two ends of the rotating shaft are rotatably connected with the chair frame; the adjusting mechanism is in transmission connection with the rotating shaft; the adjusting mechanism is used for driving the rotating shaft to rotate so as to enable the supporting frame to rotate around the central axis of the rotating shaft; when the supporting frames rotate to the corresponding upward seat faces, the supporting frames are locked at the corresponding positions through a locking mechanism.

Further, the plurality of rotating surfaces include four, and two adjacent chair surfaces are perpendicular to each other.

Furthermore, the support frame is fixedly connected with two oppositely arranged bushings, and the rotating shaft penetrates through the bushings.

Furthermore, a square groove is formed in the bushing, a key groove corresponding to the square groove is formed in the rotating shaft, and the bushing is connected with the rotating shaft in a key mode.

Furthermore, a plurality of spokes are arranged on the support frame, and two adjacent spokes are perpendicular to each other.

Furthermore, a limiting groove is formed in each spoke; the chair frame is provided with a plurality of limiting blocks, and limiting holes are formed in the limiting blocks; the locking mechanism comprises a pin shaft, and when the seat faces upwards correspondingly, the pin shaft sequentially penetrates through the corresponding limiting hole and the limiting groove so that the supporting frame is locked at the corresponding position.

Further, guiding mechanism is the crank, the crank includes connecting portion and spacing portion, the first end of connecting portion with pivot fixed connection, the second end with spacing portion fixed connection.

Furthermore, the locking mechanism further comprises a bolt, a handle and a spring, wherein the handle and the spring are sleeved on the limiting part, a moving groove is formed in the limiting part of the crank, the tail part of the bolt penetrates through the handle to be inserted into the moving groove and is fixedly connected with the pin shaft, and the head part of the bolt is abutted to one side of the handle, which is back to the limiting part; the first end of the spring is abutted to the pin shaft, the second end of the spring is abutted to the limiting part, and the handle can slide in a reciprocating mode along the extending direction of the moving groove.

Furthermore, a through hole communicated with the moving groove is formed in the limiting part; the pin shaft comprises a clamping part and a rotation stopping part, the clamping part is arranged in the moving groove, the first end of the rotation stopping part is fixedly connected with the clamping part, and the second end of the rotation stopping part penetrates through the through hole and extends outwards; the diameter of the clamping portion is larger than that of the through hole.

Furthermore, a plurality of U-shaped grooves are formed in the chair frame.

The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:

1. the embodiment of the utility model provides an in the support frame can revolute the central axis rotation of axle, can rotate through guiding mechanism drive pivot after the seat is contaminated to make the support frame revolute the central axis rotation of axle, until clean seat up, and supply people to sit down the rest in corresponding position through the locking of locking mechanism, improved public seat's utilization ratio.

2. The embodiment of the utility model provides an in with locking mechanism integration on the crank, with support frame and crank locking simultaneously during the locking, the stopper limits the rotation of support frame and crank, has increased the stability of locking.

Drawings

Fig. 1 is a schematic perspective view of a first viewing angle of a public chair according to an embodiment of the present invention;

FIG. 2 is a schematic view of an assembly process of the rotating shaft and the supporting frame according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a second viewing angle of the public chair according to the embodiment of the present invention;

fig. 4 is a schematic perspective view of a third viewing angle of the public chair according to the embodiment of the present invention;

FIG. 5 is a rear view of a public chair according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

fig. 7 is a partially enlarged view of a portion B in fig. 6.

Description of the reference numerals

1-base, 2-column, 3-support frame, 4-seat, 5-seat back, 6-rotation shaft, 7-installation groove, 8-lining, 9-installation hole, 10-square groove, 11-key groove, 12-key, 13-spoke, 14-support hub, 15-limit groove, 16-limit block, 17-pin shaft, 171-clamping part and 172-rotation stopping part;

18-limiting hole, 19-crank, 191-connecting part, 192-limiting part, 193-moving groove, 194-through hole, 20-handle, 21-bolt, 22-spring and 23-U-shaped groove.

Detailed Description

Other objects and advantages of the present invention will become apparent from the following explanation of the preferred embodiments of the present invention.

Fig. 1-7 show a schematic structural diagram of a public seat with a rotatable seat surface provided by the invention. For convenience of description, the coordinate system at the upper right corner of fig. 1 indicates the specific directions of the front and the right, the opposite side of the front is the rear, and the opposite side of the right is the left, but not limiting the structure of the present invention.

As shown in fig. 1, a public seat with a rotatable seat surface comprises a seat frame and a plurality of groups of seat units. The chair frame comprises a plurality of upright posts 2 (for example, 4) and a base 1, wherein the base 1 is horizontally arranged with the ground, and the upright posts 2 are vertically arranged with the base 1. The plurality of upright posts 2 and the base 1 can be processed into an integrated structure, so that the supporting stability of the whole public chair is improved. Several groups of seat units (for example 2) are arranged at intervals along the extension direction of the seat frame base 1.

Each seat unit comprises a chair back 5, a support frame 3, a plurality of chair surfaces 4, a rotating shaft 6 and an adjusting mechanism. The chair back 5 is arranged at the rear side of the chair frame, and the chair back 5 is fixedly connected with the upright post 2 positioned at the rear side of the chair frame for people to lean and rest. Optionally, the chair back 5 can be designed into different shapes, so that the aesthetic property of the public chair is improved. Support frame 3 and 2 rotatable coupling of stand on the chair frame are provided with a plurality of swivel planes on the support frame 3 to make support frame 3 can rotate, make corresponding swivel plane up. The plurality of chair surfaces 4 are distributed on the plurality of rotating surfaces, and the chair surfaces 4 are fixedly connected with the supporting frame 3. Specifically, the rotating surface of the supporting frame 3 is provided with a mounting groove 7, the seat surface 4 is arranged at the mounting groove 7, and the connecting mode can be glue joint. Preferably, the outer side surface of the chair seat 4 is flush with the end surface of the rotating surface of the support frame 3; the chair surface 4 can be provided with a soft sponge leather pad to increase the comfort of people. The rotating shaft 6 is arranged on the support frame 3 in a penetrating way, and the rotating shaft 6 is in transmission connection with the support frame 3; the rotating shaft 6 is rotatably connected with the upright post 2 on the chair frame, and a bearing is arranged at the joint of the rotating shaft and the upright post. The rotating shaft 6 is in transmission connection with the support frame 3, so that the support frame 3 can rotate around the central axis of the rotating shaft 6. The adjusting mechanism is in transmission connection with the rotating shaft 6 and can drive the rotating shaft 6 to rotate to drive the supporting frame 3 to rotate around the central axis of the rotating shaft 6, so that the positions of the plurality of chair surfaces 4 are switched; when the corresponding seat 4 is facing upward, the support frame 3 is locked in the corresponding position by a locking mechanism. After the seat surface 4 is polluted, the rotating shaft 6 can be driven to rotate through the adjusting mechanism, so that the support frame 3 rotates around the central axis of the rotating shaft 6 until the clean seat surface 4 faces upwards, and is locked at a corresponding position through the locking mechanism, and the utilization rate of the public seat is improved. It should be noted that a certain distance is provided between the supporting frame 3 and the base 1 and between adjacent supporting frames 3, so as to meet the rotation requirement of the supporting frame 3, and the supporting frame 3 can rotate to switch different chair seats 4.

In some embodiments, as shown in fig. 1, the plurality of rotating surfaces includes four, two adjacent chair surfaces 4 are perpendicular to each other, and when it is required to switch to a clean chair surface 4, the supporting frame 3 is rotated by 90 ° to switch to the next chair surface 4. The arrangement of the four seat surfaces 4 provides more selectivity for utilizing the seat surfaces 4, and improves the utilization rate of the public seats.

In some embodiments, as shown in fig. 1 and 2, two oppositely disposed bushings 8 are fixedly connected to each supporting frame 3, the rotating shaft 6 is disposed through the bushings 8, and the rotating shaft 6 can drive the bushings 8 to rotate, so as to drive the supporting frames 3 to rotate until the corresponding seat surfaces 4 face upward.

In some embodiments, as shown in fig. 2, the bushing 8 is provided with a mounting hole 9, a square groove 10 is provided at the mounting hole 9, a key groove 11 corresponding to the square groove 10 is provided on the rotating shaft 6, and the bushing 8 is keyed with the rotating shaft 6. Preferably, the key 12 is a flat key, and when the key 12 is installed, the key 12 is installed in the key groove 11, the rotating shaft 6 is inserted into the installation hole 9, and the key 12 on the rotating shaft 6 is clamped in the square groove 10, so that the installation and the disassembly of the rotating shaft 6 and the bushing 8 are facilitated.

In some embodiments, as shown in fig. 3, the front and rear sides of the support frame 3 are provided with support hubs 14, the support hubs 14 are provided at the central positions of the front and rear sides of the support frame 3, and the bushing 8 is fixedly connected with the support hubs 14. The supporting hub 14 is fixedly connected with the supporting frame 3 through a plurality of spokes 13, and two adjacent spokes 13 are arranged perpendicular to each other. The first end of spoke 13 and support hub 14 fixed connection, the second end extends and with support frame 3 fixed connection to the front side of support frame 3 or the diagonal department of rear side, plays certain reinforcing effect to support frame 3, has increased public seat's stability relatively.

In some embodiments, as shown in fig. 4, the spoke 13 is provided with a limiting groove 15, each upright 2 at the rear side of the public seat is provided with a plurality of limiting blocks 16 (e.g., 4), and each limiting block 16 is provided with a limiting hole 18. The locking mechanism comprises a pin shaft 17, when the corresponding seat 4 faces upwards, the limiting groove 15 corresponds to the limiting hole 18, and the pin shaft 17 sequentially penetrates through the corresponding limiting hole 18 and the limiting groove 15 so that the support frame 3 is locked at a corresponding position, namely the corresponding seat 4 (clean seat 4) faces upwards to be used for people to sit and rest.

In some embodiments, as shown in fig. 4, the adjusting mechanism is a crank 19, the crank 19 includes a connecting portion 191 and a limiting portion 192, a first end of the connecting portion 191 is fixedly connected to the rotating shaft 6, and a second end of the connecting portion is fixedly connected to the limiting portion 192. The crank handle 19 may be Z-shaped as a whole, which facilitates adjustment and operation. The crank 19 drives the rotating shaft 6 to rotate, so that the supporting frame 3 rotates around the central axis of the rotating shaft 6, and different positions of the seat 4 are switched.

In some embodiments, as shown in fig. 5-7, the locking mechanism further includes a bolt 21, a handle 20, and a spring 22. A moving groove 193 is arranged in the limiting part 192 of the crank 19, the handle 20 is sleeved on the limiting part 192, the tail part of the bolt 21 penetrates through the handle 20 to be inserted into the moving groove 193 and fixedly connected with the pin shaft 17, and the head part of the bolt is abutted against one side of the handle 20, which is back to the limiting part 192; the first end of the spring 22 abuts against the pin 17, and the second end abuts against the stopper 192. The handle 20 can slide back and forth along the extending direction of the moving groove 193, so that the pin shaft 17 is separated from the limit hole 18 and the limit groove 15, and the support frame 3 can be driven by the crank 19 to rotate around the central axis of the rotating shaft 6 to switch different chair seats 4; even if the clean chair surface 4 is switched to the clean chair surface 4, the pin shaft 17 is clamped into the limiting hole 18 and the limiting groove 15 again under the action of the spring 22, so that locking is realized, and people can sit down for rest.

In some embodiments, as shown in fig. 7, the limiting portion 192 is provided with a through hole 194 communicating with the moving groove 193, and the pin 17 includes a clamping portion 171 and a rotation stopping portion 172; the clamping part 171 is arranged in the moving groove 193, and the tail part of the bolt 21 is in threaded connection with the clamping part 171; the first end of the rotation stopping portion 172 is fixedly connected with the clamping portion 171, and the second end passes through the through hole 194 and extends outwards; the diameter of the clamping portion 171 is larger than that of the through hole 194, so that the influence on the use of the locking mechanism caused by the fact that the pin shaft 17 slides down from the moving groove 193 of the limiting portion 192 in the use process is avoided. Integrate locking mechanism on crank 19, lock support frame 3 and crank 19 simultaneously during the locking, stopper 16 restriction support frame 3 and crank 19's rotation has increased the stability of locking.

In some embodiments, a plurality of U-shaped grooves 23 are formed in the base 1 of the chair frame, and the chair frame is fixed on the ground by being fastened at the positions of the U-shaped grooves 23 through anchor bolts, so that the use stability of the public chair is improved.

The utility model relates to a theory of operation of embodiment is: when the seat surface 4 of the public seat is polluted, a user pulls the handle 20 outwards to separate the pin shaft 17 from the limiting groove 15 and the limiting hole 18, rotates the crank 19 to drive the rotating shaft 6 to rotate, and further drives the support frame 3 to rotate until the clean seat surface 4 faces upwards; the handle 20 is loosened, the pin shaft 17 is clamped into the limiting hole 18 and the limiting groove 15 again under the action of the spring 22, and the support frame 3 is locked at the corresponding position, namely the clean chair surface 4 faces upwards, so that a user can sit down to rest.

The utility model discloses a rotatable public seat of seat has been described in detail with reference to the preferred technical scheme of the utility model, however, it should be noted that, the technical personnel in the field can make any transformation, modification and change on the basis of the above-mentioned disclosure without departing from the spirit of the utility model. The present invention includes the above-described embodiments and any equivalents thereof.

Claims

1. The utility model provides a rotatable public seat of seat, includes the chair frame, its characterized in that still includes:

the plurality of groups of seat units are arranged at intervals along the extending direction of the seat frame;

each group of seat units comprises a support frame, a plurality of seat surfaces, a rotating shaft and an adjusting mechanism;

the support frame is rotatably connected with the chair frame, and a plurality of rotating surfaces are arranged on the support frame;

the plurality of chair surfaces are distributed at the plurality of rotating surfaces and are fixedly connected with the supporting frame;

the rotating shaft penetrates through the supporting frame and is in transmission connection with the supporting frame, and two ends of the rotating shaft are rotatably connected with the chair frame;

the adjusting mechanism is in transmission connection with the rotating shaft; the adjusting mechanism is used for driving the rotating shaft to rotate so as to enable the supporting frame to rotate around the central axis of the rotating shaft; when the supporting frames rotate to the corresponding upward seat faces, the supporting frames are locked at the corresponding positions through a locking mechanism.

2. A public chair with rotatable chair surface as claimed in claim 1, wherein the plurality of rotating surfaces comprises four, and two adjacent chair surfaces are arranged perpendicularly to each other.

3. The public chair with the rotatable chair surface as claimed in claim 2, wherein two oppositely arranged bushings are fixedly connected to the supporting frame, and the rotating shaft is arranged on the bushings in a penetrating manner.

4. A public chair with a rotatable chair surface as claimed in claim 3, wherein the bush is provided with a square groove thereon, the rotating shaft is provided with a key groove corresponding to the square groove thereon, and the bush is keyed with the rotating shaft.

5. A public chair with a rotatable chair surface as claimed in claim 2, wherein the supporting frame is provided with a plurality of spokes, and two adjacent spokes are perpendicular to each other.

6. A public chair with a rotatable chair surface as claimed in claim 5, wherein the spokes are provided with limiting grooves; the chair frame is provided with a plurality of limiting blocks, and limiting holes are formed in the limiting blocks; the locking mechanism comprises a pin shaft, and when the seat faces upwards correspondingly, the pin shaft sequentially penetrates through the corresponding limiting hole and the limiting groove so that the supporting frame is locked at the corresponding position.

7. The public chair with the rotatable chair surface as claimed in claim 6, wherein the adjusting mechanism is a crank, the crank comprises a connecting part and a limiting part, the first end of the connecting part is fixedly connected with the rotating shaft, and the second end of the connecting part is fixedly connected with the limiting part.

8. The public chair with the rotatable chair surface as claimed in claim 7, wherein the locking mechanism further comprises a bolt, a handle and a spring, the handle and the spring are sleeved on the limiting part, a moving groove is formed in the limiting part of the crank, the tail part of the bolt penetrates through the handle and is inserted into the moving groove and fixedly connected with the pin shaft, and the head part of the bolt abuts against one side of the handle, which faces away from the limiting part; the first end of the spring is abutted to the pin shaft, the second end of the spring is abutted to the limiting part, and the handle can slide in a reciprocating mode along the extending direction of the moving groove.

9. The public seat with the rotatable seat surface as claimed in claim 8, wherein the limiting part is provided with a through hole communicated with the moving groove; the pin shaft comprises a clamping part and a rotation stopping part, the clamping part is arranged in the moving groove, the first end of the rotation stopping part is fixedly connected with the clamping part, and the second end of the rotation stopping part penetrates through the through hole and extends outwards; the diameter of the clamping portion is larger than that of the through hole.

10. A public chair with a rotatable chair surface as claimed in any one of claims 1-9, wherein a plurality of U-shaped grooves are arranged on the chair frame.