CN210989219U

CN210989219U - Wooden folding chair convenient to carry

Info

Publication number: CN210989219U
Application number: CN201922263826.8U
Authority: CN
Inventors: 余张兵
Original assignee: Jiangsu Donggang Furniture Co ltd
Current assignee: Jiangsu Donggang Furniture Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-14
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a wooden folding chair who conveniently carries belongs to articles for daily use technical field, and it includes the formula expansion bracket of handing over to cut, the quantity of the formula expansion bracket of handing over to cut is two, two the opposite face of the formula expansion bracket of handing over to cut is respectively through two first pivot fixed connection, two first bearings have been cup jointed outward to first pivot, the first bearing joint is in the front of link, and the right side is two the opposite face of link is respectively through the front and the back swing joint of two first round pin axles with the bedplate. This wooden folding chair that conveniently carries through the cooperation each other between commentaries on classics handle, second pivot, rope reel, rope, the formula expansion bracket of crossing, first round pin axle, bedplate, second round pin axle, the back of the chair and the magnet for this device can form a bench, thereby makes this device can supply many people to have a rest and use, and can fold when this device does not use and accomodate, thereby made things convenient for the staff to this device carry and use.

Description

Wooden folding chair convenient to carry

Technical Field

The utility model belongs to the technical field of articles for daily use, specifically be a wooden folding chair who conveniently carries.

Background

The folding chair is light and can be stacked the seat of function, both conveniently move, save space again, be used for military use originally, be used for all kinds of training institutions, places such as all levels of schools, public place, hospital, dining room, hotel, company and family frequently, but ordinary folding chair all is single seat, just need carry a plurality of folding chairs when family or many people go on a journey, thereby bring certain trouble for the people who travel, make ordinary folding chair suitability lower, consequently, need the many people who conveniently carries to solve above-mentioned problem with wooden folding chair.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a wooden folding chair that conveniently carries has solved ordinary folding chair and has always all been single seat, just need carry a plurality of folding chairs when family or many people go on a journey to the people of travelling has brought certain trouble, makes the lower problem of ordinary folding chair suitability.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wooden folding chair who conveniently carries, includes the crossing formula expansion bracket, the quantity of crossing formula expansion bracket is two, two the opposite face of crossing formula expansion bracket is respectively through two first pivot fixed connection, first pivot has cup jointed two first bearings outward, first bearing joint is in the front of link, and the right side is two the opposite face of link is respectively through the front and the back swing joint of two first round pin axles with the bedplate.

The upper surface and the lower surface of bedplate inner wall are respectively through two second round pin axles and the upper surface and the lower surface swing joint of the back of the chair, two the opposite face of first pivot is respectively with the one end fixed connection that four ropes kept away from mutually, the rope winding is connected outside the cable drum, four the equal joint of cable drum is outside the second pivot, the second pivot has cup jointed two second bearings, two the joint is respectively at the front and the back of aluminum alloy frame inner wall for the second bearing.

As a further aspect of the present invention: the front joint of bedplate inner wall has magnet, the left surface joint of the back of the chair has magnet, two the position of magnet is corresponding.

As a further aspect of the present invention: the left side surface and the right side surface of the aluminum alloy frame are fixedly connected with opposite surfaces of the two first rotating shafts through the two multi-section telescopic rods, and the rope winding directions of the two rope reels above and below are opposite to those of the two rope reels in the middle.

As a further aspect of the present invention: the front face of the second rotating shaft is fixedly connected with a rotating handle, the front face of the aluminum alloy frame is provided with a plurality of clamping grooves, fixing devices are arranged in the clamping grooves, and the fixing devices are fixedly connected to the right side face of the rotating handle.

As a further aspect of the present invention: the fixing device comprises a bolt, the bolt is located in the clamping groove, the bolt is in threaded connection with the nut, the nut is connected to the back face of the fixing frame in a clamped mode, and the fixing frame is fixedly connected to the right side face of the rotating handle.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this wooden folding chair that conveniently carries, through changeing the handle, the second pivot, the fag end, the rope, the formula expansion bracket is cut in the intersection, first round pin axle, the bedplate, the second round pin axle, mutually support between the back of the chair and the magnet, when this device is opened to needs, the user can be through changeing anticlockwise rotation second pivot and fag end, make the fag end can relax the rope to suitable length, use first round pin axle as two bedplate of strong point rebound behind pulling open two formula expansion brackets again, make the bedplate can take two formula expansion bracket surfaces of cutting in the intersection, use the rotatory back of the chair of second round pin axle as the strong point again, make two magnet attract mutually, make this device can form a bench, thereby make this device can supply many people to have a rest and use, and can fold when this device does not use and accomodate, thereby made things convenient for the staff to this device carry and use.

2. This wooden folding chair that conveniently carries through setting up bolt and draw-in groove for alright fix the angle of second pivot when the bolt card goes into in the draw-in groove, make the second pivot can not continue to rotate and the rolling or relax the rope, thereby fix the length of rope extension, thereby prescribe a limit to the flexible degree of formula expansion bracket alternately, made things convenient for the staff to the use of this device.

3. This wooden folding chair that conveniently carries through setting up first pivot and first bearing for after the scissors formula expansion bracket struts, the user can make progress rotatory link according to actual conditions, makes the link can be in a suitable position, thereby has ensured the normal rotation of bedplate and first round pin axle.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view at a position a of the present invention;

fig. 3 is a schematic sectional view of the top view of the present invention;

fig. 4 is an enlarged schematic structural view of the utility model at the position B;

FIG. 5 is a schematic view of the top cross-sectional structure of the chair back of the present invention;

in the figure: the telescopic chair comprises a 1 scissors type telescopic frame, a 2 first rotating shaft, a 3 first bearing, a 4 connecting frame, a 5 first pin shaft, a 6 seat plate, a 7 second pin shaft, a 8 chair back, a 9 rope, a 10 rope disc, a 11 second rotating shaft, a 12 second bearing, a 13 aluminum alloy frame, a 14 rotating handle, a 15 clamping groove, a 16 fixing device, 161 bolts, 162 nuts, 163 fixing frames, 17 magnets and 18 multi-section telescopic rods.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-5, the utility model provides a technical solution: a portable wooden folding chair comprises two cross-shearing type telescopic frames 1, wherein the opposite surfaces of the two cross-shearing type telescopic frames 1 are fixedly connected through two first rotating shafts 2 respectively, two first bearings 3 are sleeved outside the first rotating shafts 2, the first rotating shafts 2 and the first bearings 3 are arranged, so that a user can upwards rotate the connecting frames 4 according to actual conditions after the cross-shearing type telescopic frames 1 are unfolded, the connecting frames 4 can be in a proper position, the normal rotation of a seat board 6 and first pin shafts 5 is ensured, the first bearings 3 are clamped on the front surfaces of the connecting frames 4, the opposite surfaces of the two right-side connecting frames 4 are movably connected with the front surface and the back surface of the seat board 6 through two first pin shafts 5 respectively, the seat board 6 can upwards rotate under the action of movable connection with the first pin shafts 5 through the arrangement of the first pin shafts 5, thereby ensuring the normal use of the device.

The upper surface and the lower surface of the inner wall of the seat board 6 are respectively movably connected with the upper surface and the lower surface of the chair back 8 through two second pin shafts 7, the chair back 8 can rotate towards the seat board 6 under the action of the movable connection with the second pin shafts 7 through the arrangement of the second pin shafts 7, so that the normal use of the device is ensured, the front surface of the inner wall of the seat board 6 is clamped with the magnet 17, the left side surface of the chair back 8 is clamped with the magnet 17, the positions of the two magnets 17 are corresponding, the two magnets 17 are arranged, so that the position of the chair back 8 can be simply fixed when the two magnets 17 are attracted, the problem that the normal use of the device is influenced due to the reverse rotation of the chair back 8 when the device is used is avoided, the opposite surfaces of the two first rotating shafts 2 are respectively fixedly connected with one ends, far away from the four ropes 9, the ropes 9 are wound outside the rope discs 10, the upper rope discs 10 and the lower rope discs, the winding directions of the upper rope reel 10 and the lower rope reel 10 are opposite to the winding directions of the ropes 9 of the middle rope reel 10, so that when the second rotating shaft 11 drives the four rope reels 10 to rotate, the four ropes 9 can be tightened or loosened simultaneously, the four rope reels 10 are all clamped outside the second rotating shaft 11, the front surface of the second rotating shaft 11 is fixedly connected with a rotating handle 14, the friction force and the contact area between the palm of a user and the second rotating shaft 11 can be increased by arranging the rotating handle 14, so that the rotation of the second rotating shaft 11 by the user is more convenient, the front surface of the aluminum alloy frame 13 is provided with a plurality of clamping grooves 15, the clamping grooves 15 are internally provided with fixing devices 16, the fixing devices 16 are fixedly connected to the right side surface of the rotating handle 14, each fixing device 16 comprises a bolt 161, each bolt 161 is positioned in each clamping groove 15, each bolt 161 is in each nut 162 in threaded connection, each nut 162 is clamped to the back surface of, through the arrangement of the bolt 161 and the slot 15, when the bolt 161 is clamped into the slot 15, the angle of the second rotating shaft 11 can be fixed, the second rotating shaft 11 cannot rotate continuously and wind or loosen the rope 9, so that the length of the rope 9 can be fixed, the stretching degree of the cross-cut type telescopic frame 1 is limited, and the use of the device by workers is facilitated, two second bearings 12 are sleeved outside the second rotating shaft 11, the two second bearings 12 are respectively clamped on the front surface and the back surface of the inner wall of the aluminum alloy frame 13, through the arrangement of the second bearings 12, the second rotating shaft 11 can rotate in the two second bearings 12 when rotating, so that the second rotating shaft 11 drives the rope reel 10 to rotate more stably, the left side surface and the right side surface of the aluminum alloy frame 13 are fixedly connected with the opposite surfaces of the two first rotating shafts 2 through two multi-section telescopic rods 18, through the arrangement of the multi-section telescopic rods 18, make multisection telescopic link 18 can inject the position of aluminum alloy frame 13 to avoided aluminum alloy frame 13 to descend under the effect of gravity and influenced this device normal use's problem, ensured this device's normal use.

The utility model discloses a theory of operation does:

s1, when the device needs to be unfolded, a user can rotate the second rotating shaft 11 anticlockwise through the rotating handle 14, so that the second rotating shaft 11 can drive the four rope discs 10 to rotate anticlockwise, the rope 9 can be loosened by rotating the rope discs 10 anticlockwise, and when the length of the loosened rope 9 is appropriate, the bolt 161 is rotated rightwards, so that the bolt 161 can be clamped into the appropriate clamping groove 15 under the threaded connection effect of the bolt 161 and the nut 162;

s2, the two crossed scissor type expansion brackets 1 are pulled apart, after the pulling apart is completed, the two seat plates 6 are rotated upwards by taking the first pin shafts 5 as supporting points, so that the seat plates 6 can be lapped on the surfaces of the two crossed scissor type expansion brackets 1, and then the chair back 8 is rotated by taking the second pin shafts 7 as supporting points, so that the two magnets 17 are attracted, so that the device can form a bench, when the device needs to be stored, a user can rotate the chair back 8 towards the direction of the seat plates 6, so that the two magnets 17 are separated, and the chair back 8 can be completely embedded into the seat plates 6;

s3, turn left bolt 161 again, make bolt 161 break away from draw-in groove 15 under the threaded connection effect with nut 162, the rethread is changeed 14 clockwise rotation second pivot 11, make second pivot 11 can drive four rope pulleys 10 clockwise turning, make rope pulley 10 clockwise turning can tighten up rope 9, when the length of rope 9 is suitable, tighten bolt 161 and close the formula expansion bracket 1 of crossing, make this device can accomodate and carry.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a wooden folding chair who conveniently carries, includes scissors formula expansion bracket (1), its characterized in that: the number of the cross-shearing type telescopic frames (1) is two, the opposite surfaces of the two cross-shearing type telescopic frames (1) are fixedly connected through two first rotating shafts (2) respectively, two first bearings (3) are sleeved outside the first rotating shafts (2), the first bearings (3) are clamped on the front surface of the connecting frame (4), and the opposite surfaces of the two connecting frames (4) on the right side are movably connected with the front surface and the back surface of the seat plate (6) through two first pin shafts (5) respectively;

the upper surface and the lower surface of bedplate (6) inner wall are respectively through two second round pin axle (7) and the upper surface and the lower surface swing joint of back of the chair (8), two the opposite face of first pivot (2) is respectively with the one end fixed connection that four rope (9) kept away from mutually, rope (9) winding is connected outside rope reel (10), four the equal joint of rope reel (10) is outside second pivot (11), second pivot (11) cup joint have two second bearing (12), two second bearing (12) joint is at the front and the back of aluminum alloy frame (13) inner wall respectively.

2. The portable wooden folding chair as claimed in claim 1, wherein: the front joint of bedplate (6) inner wall has magnet (17), the left surface joint of back of the chair (8) has magnet (17), two the position of magnet (17) is corresponding.

3. The portable wooden folding chair as claimed in claim 1, wherein: the left side surface and the right side surface of the aluminum alloy frame (13) are fixedly connected with the opposite surfaces of the two first rotating shafts (2) through two multi-section telescopic rods (18), and the winding directions of the upper rope reel (10) and the lower rope reel (10) are opposite to the winding directions of the ropes (9) of the two middle rope reels (10).

4. The portable wooden folding chair as claimed in claim 1, wherein: the front face of the second rotating shaft (11) is fixedly connected with a rotating handle (14), the front face of the aluminum alloy frame (13) is provided with a plurality of clamping grooves (15), fixing devices (16) are arranged in the clamping grooves (15), and the fixing devices (16) are fixedly connected to the right side face of the rotating handle (14).

5. The portable wooden folding chair as claimed in claim 4, wherein: fixing device (16) include bolt (161), bolt (161) are located draw-in groove (15), bolt (161) threaded connection is in nut (162), nut (162) joint is at the back of mount (163), mount (163) fixed connection is changeing the right flank of handle (14).