CN211154677U

CN211154677U - Dining chair

Info

Publication number: CN211154677U
Application number: CN201922372176.0U
Authority: CN
Inventors: 万忠明; 陈培红; 刘荣学
Original assignee: Zhejiang Anji Daming Furniture Co Ltd
Current assignee: Zhejiang Anji Daming Furniture Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-04
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a dining chair, including the seat, the back, be provided with four rotating turret on the bottom surface of seat, all rotate on every rotating turret and be provided with the chair foot, all be provided with the connecting axle between two chair feet with one side, be provided with flexible coupling assembling between two connecting axles, flexible coupling assembling sets up first connecting piece and the second connecting piece in two connecting axles including rotating respectively, the hole of sliding has been seted up on the terminal surface of first connecting piece orientation second connecting piece, a plurality of perforation have been seted up on the lateral wall of first connecting piece, the second connecting piece inserts in the sliding hole and rather than sliding fit, set up on the lateral wall of second connecting piece and be used for respectively with the screw hole that a plurality of perforation align, wear to be equipped with screw hole threaded connection's set screw on the perforation. The technical scheme is characterized in that the chair legs can be unfolded towards the left side and the right side of the chair surface, the chair legs are changed from a vertical state to an inclined state, and the distance between the chair surface and the ground is reduced so as to adapt to users with different use requirements.

Description

Dining chair

Technical Field

The utility model relates to the technical field of chairs, in particular to a dining chair.

Background

In today's society, furniture is one of the indispensable items in the home, including tables, chairs, bedside tables, etc. People need to use a bed when sleeping, and need to use a dining table and a dining chair when eating. Conventional dining chairs are generally made of wood or bamboo, but with the increasing requirements for comfort of use of the furniture, for example, dining chairs with cushions have appeared.

The prior Chinese patent with the publication number of CN202874533U discloses a dining chair, which comprises a chair seat, front legs, rear legs and a chair brain, wherein the two front legs and the two rear legs are respectively connected to the front side and the rear side of the chair seat through mortise and tenon structures, and the chair brain is connected between the two rear legs through the mortise and tenon structures.

The above prior art solutions have the following drawbacks: different users are different in height demand on the seat due to the difference of height and body type, the seat of the dining chair is highly fixed, the use demands of different users cannot be met, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved problem of the utility model is to provide a dining chair to the aforesaid that exists among the prior art not enough, the high regulation that can of its seat has solved among the prior art that the seat height can not be adjusted and the not good problem of practicality that causes.

(II) technical scheme

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a dining chair comprises a chair seat and a backrest arranged at the rear side of the chair seat, wherein four rotating frames which are symmetrically distributed in pairs are arranged on the bottom surface of the chair seat, each rotating frame is rotatably provided with chair legs, a connecting shaft which is vertical to the rotating direction of the chair legs is arranged between two chair legs at the same side, a telescopic connecting component is arranged between the two connecting shafts, the telescopic connecting assembly comprises a first connecting piece and a second connecting piece which are respectively and rotatably arranged on the two connecting shafts, the end surface of the first connecting piece facing the second connecting piece is provided with a sliding hole, the side wall of the first connecting piece is provided with a plurality of through holes, the second connecting piece is inserted into the sliding hole and is in sliding fit with the sliding hole, threaded holes used for being aligned with the plurality of through holes are formed in the side wall of the second connecting piece respectively, and fixing screws in threaded connection with the threaded holes penetrate through the through holes.

The utility model discloses further set up to: offer on the lateral wall of first connecting piece with a plurality of perforation a plurality of card holes that align one by one, offer on the lateral wall of second connecting piece and be used for the mounting groove that aligns with a plurality of card holes, be provided with the spring in the mounting groove, the one end that the mounting groove tank bottom was kept away from to the spring is provided with and is used for with card hole joint complex fixture block.

The utility model discloses further set up to: each connecting shaft is provided with two limiting pieces, and the two limiting pieces on the same connecting shaft are respectively attached to two side walls of the first connecting piece or two side walls of the second connecting piece.

The utility model discloses further set up to: every all seted up the groove of sliding on the bottom surface of chair foot, every all set up on the relative both sides wall of chair foot and be the last locating hole and the lower locating hole that distribute from top to bottom, every all set up the draw runner that is used for going up locating hole and lower locating hole intercommunication on the relative both sides wall of chair foot, every it all slides in the inslot that slides and is provided with the wheel carrier to slide, the wheel carrier all rotates on the both sides wall that faces two draw runners and is provided with last locating hole and lower locating hole normal running fit's limiting plate, the limiting plate can get into down in the locating hole through the draw runner when rotating to vertical state, be provided with universal gyro wheel on the bottom surface of wheel carrier.

The utility model discloses further set up to: the wheel carrier is provided with a rotating shaft in a penetrating manner, the rotating shaft is rotatably connected with the wheel carrier, and the two limiting plates arranged on the same wheel carrier are respectively arranged at two ends of the rotating shaft.

(III) advantageous effects

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. the practicability is good: the bottom surface of the chair surface is rotatably provided with four chair legs which can be unfolded towards the left side and the right side of the chair surface, so that the chair legs are changed from a vertical state to an inclined state, and the distance between the chair surface and the ground is reduced so as to adapt to users with different use requirements;

2. the carrying is convenient: the wheel carrier and the universal idler wheel can be converted between the retraction sliding groove and the protruding sliding groove, and when the wheel carrier and the universal idler wheel protrude the sliding groove, a user carries the wheel carrier and the universal idler wheel in a push-pull mode, so that the use is convenient.

Drawings

FIG. 1 is a schematic structural view of a dining chair in the embodiment;

FIG. 2 is a schematic structural view of a chair leg and a rotating frame in the embodiment;

FIG. 3 is a cross-sectional structural view taken along line I-I of FIG. 1;

fig. 4 is a cross-sectional exploded view of fig. 2 taken along line J-J.

Reference numerals: 1. a chair surface; 2. a backrest; 3. a rotating frame; 4. mounting holes; 5. rotating the hole; 6. chair legs; 7. a rotating shaft; 8. a connecting shaft; 9. a telescopic connecting component; 10. a first connecting member; 11. a second connecting member; 12. a first pin shaft hole; 13. a sliding hole; 14. perforating; 15. a clamping hole; 16. a second pin shaft hole; 17. a threaded hole; 18. a set screw; 19. mounting grooves; 20. a spring; 21. a clamping block; 22. a limiting sheet; 23. a sliding groove; 24. an upper positioning hole; 25. a lower positioning hole; 26. a slide hole; 27. a wheel carrier; 28. a universal roller; 29. a rotating shaft; 30. and a limiting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, the dining chair comprises a chair surface 1, when a user sits on the chair surface 1, one side of the legs of the user is the front side of the chair surface 1, the corresponding side is the back side of the chair surface 1, and the left side and the right side are the left side and the right side of the chair surface 1. The rear side wall of the chair surface 1 is connected with a backrest 2 through screws, the backrest 2 comprises a square ring-shaped frame and three cylinders fixedly installed in the frame, the structure of the backrest 2 is the prior art, the chair surface 1 and the backrest 2 are made of wood, and paint is coated on the surfaces of the chair surface 1 and the backrest 2, so that the chair surface 1 and the backrest 2 have the advantages of durability and convenience in cleaning.

As shown in fig. 1 and 2, four rotating frames 3 are connected to the bottom surface of the seat 1 by screws, the four rotating frames 3 are symmetrically distributed in pairs, the rotating frames 3 are in an inverted concave shape, each rotating frame 3 is provided with a mounting hole 4 which is arranged downwards, the mounting holes 4 penetrate through two side walls of the rotating frames 3 along the left and right directions of the seat 1, circular rotating holes 5 are arranged on the other two side walls of the rotating frames 3, and the rotating holes 5 are communicated with the mounting holes 4. All rotate on every rotating turret 3 and be provided with chair foot 6, chair foot 6 is the rectangular cylinder, and in the top embedding mounting hole 4 of chair foot 6, equal fixedly connected with axis of rotation 7 on two lateral walls of chair foot 6 orientation two rotation holes 5, two axis of rotation 7 insert respectively two rotation holes 5 in to rather than normal running fit, then chair foot 6 can rotate to the left and right sides of seat 1.

As shown in fig. 1 and 3, a cylindrical connecting shaft 8 is fixedly connected between the two chair legs 6 on the same side, the axial directions of the two connecting shafts 8 are perpendicular to the rotation direction of the chair legs 6, the connecting shaft 8 is used for connecting the two chair legs 6 on the same side, and the two chair legs 6 on the same side can keep rotating synchronously.

Be provided with flexible coupling assembling 9 between two connecting axles 8, flexible coupling assembling 9 includes first connecting piece 10 and second connecting piece 11, and first connecting piece 10 and second connecting piece 11 rotate respectively and set up on two connecting axles 8. A circular first pin shaft hole 12 is formed in the side wall of the first connecting member 10, and one of the connecting shafts 8 passes through the first pin shaft hole 12 and is in rotating fit with the first pin shaft hole 12, so that the first connecting member 10 is rotatably connected to the connecting shaft 8. The end surface of the first connecting piece 10 facing the second connecting piece 11 is provided with a sliding hole 13, and the section of the sliding hole 13 is rectangular. The side wall of the first connecting piece 10 facing away from the backrest 2 is provided with circular through holes 14, and the number of the through holes 14 is four, and the four through holes 14 are linearly arranged. The side wall of the first connecting piece 10 facing the backrest 2 is provided with circular clamping holes 15, the number of the clamping holes 15 is four, the four clamping holes 15 are linearly arranged, and the four clamping holes 15 are respectively aligned with the four through holes 14 one by one.

The side wall of the second connecting piece 11 is provided with a circular second pin shaft hole 16, one of the connecting shafts 8 passes through the second pin shaft hole 16 and is in running fit with the second pin shaft hole, and then the second connecting piece 11 is in running fit with the connecting shaft 8. The second link 11 is inserted into the sliding hole 13 and slidably engaged therewith, so that the first link 10 and the second link 11 can relatively move in the left-right direction of the seat 1. Threaded holes 17 are formed in the side wall, facing the through holes 14, of the second connecting piece 11, the threaded holes 17 are used for being aligned with the four through holes 14 respectively, fixing screws 18 in threaded connection with the threaded holes 17 penetrate through the through holes 14, and when the threaded holes 17 are aligned with one of the through holes 14, the second connecting piece 11 can be fixed in the first connecting piece 10 by screwing the fixing screws 18. Mounting groove 19 has been seted up on the lateral wall of second connecting piece 11 orientation card hole 15, and mounting groove 19 is used for lining up with four card holes 15 respectively, is provided with spring 20 in the mounting groove 19, spring 20 one end and the tank bottom fixed connection of mounting groove 19, other end fixedly connected with fixture block 21, and fixture block 21 is bullet form, and the tip that spring 20 was kept away from to fixture block 21 is the arcwall face, is convenient for carry out joint or separation between fixture block 21 and the card hole 15.

Each connecting shaft 8 is fixedly connected with two limiting pieces 22, the two limiting pieces 22 on the same connecting shaft 8 are respectively arranged on two side walls of the first connecting piece 10 or two side walls of the second connecting piece 11, and the limiting pieces 22 are used for limiting the relative sliding between the first connecting piece 10 and the connecting shaft 8 and between the second connecting piece 11 and the connecting shaft 8 along the axial direction of the connecting shaft 8.

In an initial state, the four chair legs 6 are in a vertical state, when the height of the chair face 1 is too high, a user unscrews the fixing screws 18, presses the fixture block 21 to enable the fixture block 21 to retract into the mounting groove 19, at the moment, the springs 20 are compressed, then pulls the second connecting piece 11, and adjusts the overall length of the first connecting piece 10 and the second connecting piece 11 appropriately, namely the overall length of the first connecting piece 10 and the second connecting piece 11 is lengthened, the chair legs 6 are rotatably mounted on the bottom surface of the chair face 1 through the rotating frame 3, the first connecting piece 10 and the second connecting piece 11 are rotatably connected with the two connecting shafts 8 respectively, the two groups of chair legs 6 are unfolded towards the left side and the right side of the chair face 1 respectively, the chair legs 6 are changed from the vertical state to the inclined state, the distance between the chair face 1 and the ground is reduced, and the user can meet different use.

As shown in fig. 2 and 4, a sliding groove 23 is formed on the bottom surface of each chair leg 6, and the cross section of the sliding groove 23 is rectangular. Two side walls of each chair leg 6, which are parallel to the axial direction of the connecting shaft 8, are provided with a circular upper positioning hole 24 and a circular lower positioning hole 25, the upper positioning hole 24 and the lower positioning hole 25 are linearly arranged in the vertical direction, the upper positioning hole 24 is positioned right above the lower positioning hole 25, and the shapes and the sizes of the upper positioning hole 24 and the lower positioning hole 25 are the same. Two side walls of each chair leg 6, which are parallel to the axial direction of the connecting shaft 8, are provided with sliding holes 26, the sliding holes 26 are used for communicating the upper positioning holes 24 with the lower positioning holes 25, and the sliding holes 26 are positioned in the middle of the upper positioning holes 24 and the lower positioning holes 25.

A wheel carrier 27 is arranged in the sliding groove 23 in a sliding way, and a universal roller 28 is fixedly arranged on the bottom surface of the wheel carrier 27. The rotating shaft 29 penetrates through the wheel frame 27, the rotating shaft 29 is rotatably connected with the wheel frame 27, the limiting plates 30 are fixedly connected to two ends of the rotating shaft 29, in an initial state, the limiting plates 30 are located in the upper positioning holes, the side walls, facing the hole walls of the upper positioning holes 24, of the limiting plates 30 are arc-shaped surfaces attached to the hole walls of the upper positioning holes 24, the limiting plates 30 are rotatably matched with the upper positioning holes 24, and the limiting plates 30 can rotate in the upper positioning holes 24 and the lower positioning holes 25.

When this dining chair needs to be carried, the user holds between the fingers on the both sides wall of limiting plate 30, then rotates limiting plate 30, until all limiting plates 30 rotate to vertical state, then lift this dining chair, wheel carrier 27, universal gyro wheel 28, limiting plate 30 moves down under the effect of gravity, until limiting plate 30 along slide opening 26 enter into down the locating hole 25 in, the user rotates limiting plate 30 to the horizontality after that, wheel carrier 27 this moment, universal gyro wheel 28, limiting plate 30 can not continue to move down, put down the dining chair at last, carry through the mode of push-and-pull, it is comparatively convenient to use.

When this dining chair needs stable the use, the user rotates four limiting plate 30 to vertical state, then chair foot 6, seat 1, back 2 can want to move down under the effect of gravity, wheel carrier 27, universal gyro wheel 28 completely retract into sliding groove 23, and meanwhile limiting plate 30 enters into last locating hole 24 along slide opening 26, and then the user rotates limiting plate 30 to the horizontality, and wheel carrier 27, universal gyro wheel 28, limiting plate 30 keep the state of retracting into sliding groove 23 completely this dining chair can stable use this dining chair this moment.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a dining chair, includes seat (1), sets up in back (2) of seat (1) rear side, its characterized in that: be provided with on the bottom surface of seat (1) and be four rotating turret (3) that two bisymmetry distribute, every all rotate on rotating turret (3) and be provided with chair foot (6), with two of one side all be provided with between chair foot (6) with chair foot (6) rotation direction vertically connecting axle (8), two be provided with flexible coupling assembling (9) between connecting axle (8), flexible coupling assembling (9) are including rotating first connecting piece (10) and second connecting piece (11) that set up on two connecting axle (8) respectively, slip hole (13) have been seted up on first connecting piece (10) towards the terminal surface of second connecting piece (11), a plurality of perforation (14) have been seted up on the lateral wall of first connecting piece (10), second connecting piece (11) insert in slip hole (13) and rather than sliding fit, set up on the lateral wall of second connecting piece (11) and be used for respectively with screw hole (17) that a plurality of perforation (14) align ) And a fixing screw (18) in threaded connection with the threaded hole (17) penetrates through the through hole (14).

2. A dining chair according to claim 1, wherein: offer on the lateral wall of first connecting piece (10) with a plurality of card holes (15) of a plurality of perforation (14) alignment one by one, offer on the lateral wall of second connecting piece (11) and be used for mounting groove (19) of lining up with a plurality of card holes (15), be provided with spring (20) in mounting groove (19), the one end that mounting groove (19) tank bottom was kept away from in spring (20) is provided with and is used for blocking hole (15) joint complex fixture block (21).

3. A dining chair according to claim 1, wherein: each connecting shaft (8) is provided with two limiting pieces (22), and the two limiting pieces (22) on the same connecting shaft (8) are respectively attached to two side walls of the first connecting piece (10) or two side walls of the second connecting piece (11).

4. A dining chair according to claim 1, wherein: every groove (23) that slides has all been seted up on the bottom surface of chair foot (6), every last locating hole (24) and lower locating hole (25) that are upper and lower distribution have all been seted up on the both sides wall that chair foot (6) is relative, every slide opening (26) that are used for going up locating hole (24) and lower locating hole (25) intercommunication are all seted up on the both sides wall that chair foot (6) is relative, every it all slides in groove (23) to slide and is provided with wheel carrier (27), wheel carrier (27) all rotate on the both sides wall that faces two slide openings (26) and be provided with locating hole (24) and lower locating hole (25) normal running fit's limiting plate (30), limiting plate (30) can get into down in locating hole (25) through slide opening (26) when rotating to vertical state, be provided with universal gyro wheel (28) on the bottom surface of wheel carrier (27).

5. A dining chair according to claim 4, wherein: the wheel carrier (27) is provided with a rotating shaft (29) which is rotatably connected with the wheel carrier (27) in a penetrating way, and the two limiting plates (30) arranged on the same wheel carrier (27) are respectively arranged at two ends of the rotating shaft (29).