CN211483670U - A folding chair for folding chair's rotating base and use it - Google Patents
A folding chair for folding chair's rotating base and use it Download PDFInfo
- Publication number
- CN211483670U CN211483670U CN201921269120.6U CN201921269120U CN211483670U CN 211483670 U CN211483670 U CN 211483670U CN 201921269120 U CN201921269120 U CN 201921269120U CN 211483670 U CN211483670 U CN 211483670U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- folding chair
- backrest
- guide wheel
- hinged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model discloses a rotary base for a folding chair and a folding chair using the same, which comprises a bracket component, a guide rail and a plurality of guide wheel components; the guide rail is circular, the guide wheel assemblies are arranged below the periphery of the support assembly, each guide wheel assembly slides on the guide rail in a rolling mode, and the support assembly is used for installing the folding chair and guiding the guide wheel assemblies to enable the guide wheel assemblies to keep a distance. The folding chair is arranged on the utility model, the folding chair can be conveniently rotated, and the use is more convenient.
Description
Technical Field
The utility model relates to the field of outdoor articles, in particular to a rotating base for a folding chair and a folding chair using the rotating base.
Background
With the development of society, people often need to go out to camp on vacation in idle life after work, and the folding chair is the necessary equipment for camping vacation, and the folding chair can form a smaller storage space through folding, and is convenient to carry. The existing folding chair is supported on the ground through front legs and rear legs, when a user wants to change the folding chair to one direction, the user can only get up from the folding chair, and then the folding chair is moved to enable the folding chair to face the direction required by the user, so that the use is very troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a swivel base for a folding chair and a folding chair using the swivel base for the folding chair, so as to solve the problems.
To achieve the purpose, the utility model adopts the following technical proposal:
a rotating base for a folding chair comprises a bracket assembly, a guide rail and a plurality of guide wheel assemblies; the guide rail is circular, the guide wheel assemblies are arranged below the periphery of the support assembly, each guide wheel assembly slides on the guide rail in a rolling mode, and the support assembly is used for installing the folding chair and guiding the guide wheel assemblies to enable the guide wheel assemblies to keep a distance.
The guide wheel assembly comprises a guide wheel, an installation frame and a rotating shaft, the installation frame is of a door-shaped structure, the upper end of the installation frame is connected with the support assembly, the rotating shaft penetrates through two sides of the installation frame, and the guide wheel is rotatably installed on the rotating shaft; the guide wheel is an I-shaped wheel, and two sides of the guide wheel are clamped on the inner side and the outer side of the guide rail respectively.
The bracket component comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the first connecting rod and the second connecting rod are arranged in parallel, the middle parts of the third connecting rod and the fourth connecting rod are arranged in a crossed mode, and two ends of the third connecting rod and two ends of the fourth connecting rod are respectively connected to two ends of the first connecting rod and two ends of the second connecting rod; the guide wheel assemblies are four, and the upper ends of the four mounting frames are respectively connected with the end parts of the first connecting rods and the second connecting rods.
The inner wall of guide rail is the sunken form of arc, the guide pulley subassembly still includes the mount, the mount set up in one side of mounting bracket, the lower extreme orientation of mount the inner wall of guide rail is bent, the department of bending of mount blocks the inner wall of guide rail.
Two ends of the first connecting rod and two ends of the second connecting rod are provided with buckles, and the buckles are used for being connected with the folding chair;
the buckle comprises a buckle seat, a first buckle ring, a second buckle ring and a movable sheet, wherein the first buckle ring and the second buckle ring are both arc-shaped and are respectively arranged on the buckle seat; the upper end of the first retaining ring is connected with one end of the movable sheet, the upper end of the second retaining ring is provided with a bulge, the other end of the movable sheet is provided with a groove matched with the bulge, and the other end of the movable sheet is clamped at the upper end of the second retaining ring.
The guide wheel is connected with the rotating shaft through a bearing.
The folding chair using the rotating base for the folding chair comprises front legs, rear legs, armrests, a backrest, a rotating connecting rod, a backrest connecting rod and a chair seat;
the front legs and the rear legs are bent into U-shaped structures by round pipes, the upper ends of the front legs are hinged with the middle parts of the armrests, and the middle parts of the front legs are hinged with the middle part of the chair seat; the upper ends of the rear legs are hinged with the middle parts of the armrests, one ends of the rotating connecting rods are hinged with the middle parts of the rear legs, and the other ends of the rotating connecting rods are hinged with the rear ends of the chair seats; when the folding chair is completely unfolded, the other end of the rotating connecting rod is propped against the rear leg;
one end of the backrest connecting rod is hinged with the rear end of the seat, the other end of the backrest connecting rod is hinged with the lower end of the backrest, and the middle of the backrest is hinged with the rear end of the armrest;
the lower ends of the front legs are clamped in the buckles at the two ends of the first connecting rod, and the lower ends of the rear legs are clamped in the buckles at the two ends of the second connecting rod.
Still include two solid fixed rings, gu fixed ring is U type structure, two gu fixed ring back-off is in the both ends of back leg, gu fixed ring both ends respectively with second connecting rod fixed connection, gu fixed ring will the back leg is fixed in the buckle.
The lower surface of the armrest is provided with a backrest adjusting device, the backrest adjusting device comprises a gear component and a movable component, the gear component is arranged on the lower surface of the armrest, the upper end of the movable component moves in the gear component, the upper end of the front leg is hinged with the lower end of the movable component, and the upper end of the rear leg is hinged with the lower end of the movable component;
the backrest is further provided with a backrest support, one end of the backrest support is hinged with the upper end of the back of the backrest, and the maximum included angle between the backrest support and the backrest when the backrest support is unfolded is 90 degrees.
The upper end of the backrest is also provided with a headrest.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
FIG. 1 is a schematic three-dimensional structure of one embodiment of the present invention;
FIG. 2 is a schematic partial structure diagram of one embodiment of the present invention;
fig. 3 is a schematic structural view of a buckle according to an embodiment of the present invention;
in the drawings: 10-bracket component, 101-first connecting rod, 102-second connecting rod, 103-third connecting rod, 104-fourth connecting rod, 105-buckle, 1051-buckle seat, 1052-first buckle, 1053-second buckle, 1054-movable sheet, 20-guide rail, 30-guide wheel component, 301-guide wheel, 302-mounting rack, 303-rotating shaft, 304-fixing rack, 40-front leg, 50-rear leg, 60-armrest, 70-backrest, 80-rotating connecting rod, 90-backrest connecting rod, 110-chair seat, 120-fixing ring, 130-backrest adjusting device, 131-gear component, 132-movable component, 140-backrest support and 150-headrest.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
A swivel base for a folding chair of the present embodiment, as shown in fig. 1 and 2, includes a bracket assembly 10, a guide rail 20, and a plurality of guide wheel assemblies 30; the guide rail 20 is circular, the plurality of guide wheel assemblies 30 are mounted on the lower portion of the periphery of the bracket assembly 10, each guide wheel assembly 30 respectively slides on the guide rail 20 in a rolling manner, and the bracket assembly 10 is used for mounting the folding chair and guiding the guide wheel assemblies 30, so that the guide wheel assemblies 30 keep a distance therebetween.
When the folding chair is unfolded, the front leg 40 and the rear leg 50 of the folding chair are respectively arranged on the bracket component 10, the guide wheel component 30 is arranged below the bracket component 10, when the folding chair is rotated, the bracket component 10 drives the guide wheel component 30 to roll on the guide rail 20, the folding chair can rotate around the guide rail 20, and the folding chair can be easily rotated even if the folding chair is seated; in addition, set up guide rail 20 and can make the rotating base can adapt to comparatively complicated topography, can avoid guide wheel subassembly 30 difficult to the problem of rolling on uneven ground, in addition, because guide wheel subassembly 30 only rolls on guide rail 20 and slides, make folding chair more stable when taking, can not remove everywhere.
The guide wheel assembly 30 comprises a guide wheel 301, a mounting frame 302 and a rotating shaft 303, the mounting frame 302 is of a door-shaped structure, the upper end of the mounting frame 302 is connected with the bracket assembly 10, the rotating shaft 303 penetrates through two sides of the mounting frame 302, and the guide wheel 301 is rotatably mounted on the rotating shaft 303; the guide wheel 301 is an i-shaped wheel, and two sides of the guide wheel 301 are respectively clamped on the inner side and the outer side of the guide rail 20.
Due to the arrangement, the guide wheel 301 can be clamped on the guide rail 20, the guide wheel 301 is prevented from falling out of the guide rail 20 when rolling on the guide rail 20, and the guide wheel 301 can stably roll on the guide rail 20.
The bracket assembly 10 comprises a first connecting rod 101, a second connecting rod 102, a third connecting rod 103 and a fourth connecting rod 104, wherein the first connecting rod 101 and the second connecting rod 102 are arranged in parallel, the middle parts of the third connecting rod 103 and the fourth connecting rod 104 are arranged in a crossed manner, and two ends of the third connecting rod 103 and the fourth connecting rod 104 are respectively connected to two ends of the first connecting rod 101 and two ends of the second connecting rod 102; the number of the guide wheel assemblies 30 is four, and the upper ends of the four mounting brackets 302 are respectively connected with the ends of the first connecting rod 101 and the second connecting rod 102.
The first connecting rod 101, the second connecting rod 102, the third connecting rod 103 and the fourth connecting rod 104 enclose two triangles which are opposite to each other, and because the triangles have better stability, four vertexes of the bracket assembly 10 are relatively fixed; the bracket assembly 10 isolates the four guide wheel assemblies 30, so that the guide wheel assemblies 30 maintain a fixed distance from each other when the four guide wheel assemblies 30 roll on the guide rails 20, and thus, when the front legs 40 and the rear legs 50 of the folding chair are mounted on the first connecting rod 101 and the second connecting rod 102, the folding state of the folding chair is not affected by the movement of the guide wheels 301; in addition, the guide wheel assemblies 30 are arranged at four corner points of the bracket, so that the front, back, left and right stress of the guide rail 20 is uniform, and the guide rail is not easy to overturn.
The inner wall of the guide rail 20 is in an arc-shaped concave shape, the guide wheel assembly 30 further comprises a fixing frame 304, the fixing frame 304 is arranged on one side of the mounting frame 302, the lower end of the fixing frame 304 faces the inner wall of the guide rail 20 and is bent, and the bent part of the fixing frame 304 clamps the inner wall of the guide rail 20.
The fixing frame 304 vertically limits the guide wheel assembly 30 to the guide rail 20, so that the guide rail 20, the bracket assembly 10 and the guide wheel assembly 30 are integrally connected for convenient carrying and carrying.
Two ends of the first connecting rod 101 and two ends of the second connecting rod 102 are provided with buckles 105, and the buckles 105 are used for being connected with the folding chair;
the buckle 105 comprises a buckle seat 1051, a first snap ring 1052, a second snap ring 1053 and a movable plate 1054, wherein the first snap ring 1052 and the second snap ring 1053 are both arc-shaped, and the first snap ring 1052 and the second snap ring 1053 are respectively arranged on the buckle seat 1051; the upper end of the first retaining ring 1052 is connected with one end of the movable plate 1054, the upper end of the second retaining ring 1053 is provided with a protrusion, the other end of the movable plate 1054 is provided with a groove matched with the protrusion, and the other end of the movable plate 1054 is clamped at the upper end of the second retaining ring 1053.
When the folding chair is completely unfolded, the front leg 40 and the rear leg 50 of the folding chair are respectively fixed on the first connecting rod 101 and the second connecting rod 102 through the buckles 105, and the folding chair is very convenient to detach and install; in addition, since the folding chair is in a fully unfolded state, the front leg 40 and the rear leg 50 only have a vertically downward force on the buckle 105, so that the buckle 105 cannot be easily broken or the buckle 105 cannot be damaged even if the folding chair bears a large load; the buckle 105 is provided with a movable sheet 1054, so that the folding chair legs clamped between the first buckle 1052 and the second buckle 1053 can be fixed, the release from the buckle 105 is not easy, and the installation is firmer.
The guide wheel 301 is connected with the rotating shaft 303 through a bearing.
The bearing has strong bearing capacity, and can ensure that the guide wheel 301 and the rotating shaft 303 can still flexibly rotate under the condition of large bearing.
A folding chair using the above-mentioned rotating base for a folding chair, as shown in fig. 1, comprises front legs 40, rear legs 50, armrests 60, a backrest 70, a turning link 80, a backrest connecting rod 90, and a seat 110;
the front legs 40 and the rear legs 50 are both bent into a U-shaped structure by circular tubes, the upper ends of the front legs 40 are hinged to the middle of the armrests 60, and the middle of the front legs 40 are hinged to the middle of the seat 110; the upper end of the rear leg 50 is hinged to the middle part of the armrest 60, one end of the rotating link 80 is hinged to the middle part of the rear leg 50, and the other end of the rotating link 80 is hinged to the rear end of the seat 110; when the folding chair is completely unfolded, the other end of the rotating link 80 abuts against the rear leg 50;
one end of the backrest connecting rod 90 is hinged to the rear end of the seat 110, the other end of the backrest connecting rod 90 is hinged to the lower end of the backrest 70, and the middle of the backrest 70 is hinged to the rear end of the armrest 60;
the lower ends of the front legs 40 are clamped in the buckles 105 at the two ends of the first connecting rod 101, and the lower ends of the rear legs 50 are clamped in the buckles 105 at the two ends of the second connecting rod 102.
The folding chair can be easily installed on the placing base through the buckle 105, the folding chair can flexibly rotate through the placing base, when the user sits on the folding chair, the folding chair can rotate to any direction, the use is very convenient, in addition, the guide wheel 301 only slides on the guide rail 20, so that the folding chair is installed on the rotating base, the folding chair cannot move everywhere along with the rolling of the guide wheel 301, and the user sits on the folding chair relatively firmly; and the guide rail 20 of the rotating base is circular, and the area enclosed by the guide rail 20 is large, so that the rotating base is placed on the ground stably and is not easy to overturn.
Still include two solid fixed rings 120, gu fixed ring 120 is U type structure, two gu fixed ring 120 back-off is in the both ends of back leg 50, gu fixed ring 120 both ends respectively with second connecting rod 102 fixed connection, gu fixed ring 120 will back leg 50 is fixed in the buckle 105.
The fixing ring 120 fixes the rear leg 50 of the folding chair on the second connecting rod 102, when the folding chair is unfolded, the front leg 40 only needs to be fixed on the buckle 105 of the first connecting rod 101 to complete the fixation, and the use is more convenient; and the rear leg 50 of the folding chair is fixed on the second connecting rod 102, and the folding chair is connected with the rotating base into a whole, so that the folding chair is more stable.
A backrest adjusting device 130 is arranged on the lower surface of the armrest 60, the backrest adjusting device 130 comprises a shift position component 131 and a movable component 132, the shift position component 131 is arranged on the lower surface of the armrest 60, the upper end of the movable component 132 moves in the shift position component 131, the upper end of the front leg 40 is hinged with the lower end of the movable component 132, and the upper end of the rear leg 50 is hinged with the lower end of the movable component 132;
a backrest support 140 is further arranged, one end of the backrest support 140 is hinged to the upper end of the back of the backrest 70, and the maximum included angle between the backrest support 140 and the backrest 70 is 90 degrees when the backrest support 140 is unfolded.
The relative position between the shift position member and the movable member 132 can be adjusted by operating the armrest 60, thereby adjusting the angle between the backrest 70 and the seat 110; when the backrest 70 is adjusted to the maximum angle, the backrest support 140 can be opened, so that the lower end of the backrest support 140 is supported on the ground, and the folding chair is prevented from falling backwards due to the backward movement of the center of gravity when lying on the backrest 70; in addition, when the backrest 70 is unfolded to be horizontal, the backrest support 140 may be unfolded to a maximum angle of 90 ° to be vertically supported on the ground.
The upper end of the backrest 70 is further provided with a headrest 150.
The head may be supported during riding against the head rest 150 to increase comfort.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (10)
1. A rotating base for a folding chair is characterized by comprising a bracket assembly, a guide rail and a plurality of guide wheel assemblies; the guide rail is circular, the guide wheel assemblies are arranged below the periphery of the support assembly, each guide wheel assembly slides on the guide rail in a rolling mode, and the support assembly is used for installing the folding chair and guiding the guide wheel assemblies to enable the guide wheel assemblies to keep a distance.
2. The rotating base for a folding chair as claimed in claim 1, wherein the guide wheel assembly comprises a guide wheel, a mounting frame and a rotating shaft, the mounting frame is of a door-shaped structure, the upper end of the mounting frame is connected with the bracket assembly, the rotating shaft penetrates through two sides of the mounting frame, and the guide wheel is rotatably mounted on the rotating shaft; the guide wheel is an I-shaped wheel, and two sides of the guide wheel are clamped on the inner side and the outer side of the guide rail respectively.
3. The rotating base for the folding chair as claimed in claim 2, wherein the bracket assembly comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the first connecting rod and the second connecting rod are arranged in parallel, the third connecting rod and the fourth connecting rod are arranged in a crossed manner, and two ends of the third connecting rod and the fourth connecting rod are respectively connected to two ends of the first connecting rod and the second connecting rod; the guide wheel assemblies are four, and the upper ends of the four mounting frames are respectively connected with the end parts of the first connecting rods and the second connecting rods.
4. The rotating base for the folding chair as claimed in claim 3, wherein the inner wall of the guide rail is in an arc-shaped concave shape, the guide wheel assembly further comprises a fixing frame, the fixing frame is disposed at one side of the mounting frame, the lower end of the fixing frame is bent towards the inner wall of the guide rail, and the bent portion of the fixing frame blocks the inner wall of the guide rail.
5. The rotating base for the folding chair as claimed in claim 4, wherein two ends of the first connecting rod and two ends of the second connecting rod are provided with buckles, and the buckles are used for connecting with the folding chair;
the buckle comprises a buckle seat, a first buckle ring, a second buckle ring and a movable sheet, wherein the first buckle ring and the second buckle ring are both arc-shaped and are respectively arranged on the buckle seat; the upper end of the first retaining ring is connected with one end of the movable sheet, the upper end of the second retaining ring is provided with a bulge, the other end of the movable sheet is provided with a groove matched with the bulge, and the other end of the movable sheet is clamped at the upper end of the second retaining ring.
6. The swivel base for a folding chair according to claim 2, wherein the guide wheel is connected with the rotating shaft through a bearing.
7. A folding chair using a swivel base for a folding chair according to any of claims 3-5, characterized by comprising front legs, rear legs, armrests, a backrest, a swivel link, a backrest link and a seat;
the front legs and the rear legs are bent into U-shaped structures by round pipes, the upper ends of the front legs are hinged with the middle parts of the armrests, and the middle parts of the front legs are hinged with the middle part of the chair seat; the upper ends of the rear legs are hinged with the middle parts of the armrests, one ends of the rotating connecting rods are hinged with the middle parts of the rear legs, and the other ends of the rotating connecting rods are hinged with the rear ends of the chair seats; when the folding chair is completely unfolded, the other end of the rotating connecting rod is propped against the rear leg;
one end of the backrest connecting rod is hinged with the rear end of the seat, the other end of the backrest connecting rod is hinged with the lower end of the backrest, and the middle of the backrest is hinged with the rear end of the armrest;
the lower ends of the front legs are clamped in the buckles at the two ends of the first connecting rod, and the lower ends of the rear legs are clamped in the buckles at the two ends of the second connecting rod.
8. The folding chair according to claim 7, further comprising two fixing rings, wherein the fixing rings are of a U-shaped structure, the two fixing rings are reversely buckled at two ends of the rear leg, the two ends of the fixing rings are respectively fixedly connected with the second connecting rod, and the fixing rings fix the rear leg in the buckle.
9. The folding chair as claimed in claim 7, wherein the lower surface of the arm rests is provided with a backrest adjusting means, the backrest adjusting means comprises a shift position member and a movable member, the shift position member is provided on the lower surface of the arm rests, the upper end of the movable member is movable in the shift position member, the upper end of the front leg is hinged to the lower end of the movable member, and the upper end of the rear leg is hinged to the lower end of the movable member;
the backrest is further provided with a backrest support, one end of the backrest support is hinged with the upper end of the back of the backrest, and the maximum included angle between the backrest support and the backrest when the backrest support is unfolded is 90 degrees.
10. The folding chair as claimed in claim 7, wherein a headrest is further provided at an upper end of the backrest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269120.6U CN211483670U (en) | 2019-08-07 | 2019-08-07 | A folding chair for folding chair's rotating base and use it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269120.6U CN211483670U (en) | 2019-08-07 | 2019-08-07 | A folding chair for folding chair's rotating base and use it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211483670U true CN211483670U (en) | 2020-09-15 |
Family
ID=72393854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921269120.6U Active CN211483670U (en) | 2019-08-07 | 2019-08-07 | A folding chair for folding chair's rotating base and use it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211483670U (en) |
-
2019
- 2019-08-07 CN CN201921269120.6U patent/CN211483670U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2347677A1 (en) | Nestable chair with seat rotation and stop arrangement | |
| US4880273A (en) | Reclining chair having suspended seating | |
| JP2007507318A (en) | Reclining chair | |
| AU2016202035B2 (en) | Chair with control system | |
| US20210169230A1 (en) | Sofa bed with glide system | |
| CN211483670U (en) | A folding chair for folding chair's rotating base and use it | |
| CN210227474U (en) | Chair (Ref. TM. chair) | |
| CN218390402U (en) | Extension device for forward movement of sofa deck chair cushion | |
| CN212591210U (en) | Drawer type folding sofa | |
| JP3176222U (en) | Portable toilet frame | |
| CN111098763B (en) | Slide rail hidden lying flat seat | |
| CN211380408U (en) | Seat with gravity return mechanism | |
| CN209921121U (en) | Automobile bar counter seat | |
| RU195984U1 (en) | CORNER SOFA BED TRANSFORMATION MECHANISM | |
| CN218869838U (en) | Headrest and waist support integrated support | |
| CN109497750B (en) | Multifunctional folding outdoor seat | |
| CN219920678U (en) | Sofa convenient to remove | |
| CN215015465U (en) | Foldable soft package sofa with multi-stage adjustment structure | |
| CN213216122U (en) | Chair and rocking chair leg thereof | |
| CN210893904U (en) | Automobile seat steel pipe detection jig with clamping function | |
| CN220045342U (en) | Outdoor folding back chair | |
| CN215398310U (en) | Linkage assembly, automobile rear-row seat framework, seat and automobile | |
| CN221179933U (en) | Chair frame of electric chair | |
| CN212280611U (en) | Training chair | |
| CN221012566U (en) | Seat with adjustable sitting depth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |