CN210471564U - Folding chair frame - Google Patents
Folding chair frame Download PDFInfo
- Publication number
- CN210471564U CN210471564U CN201921025471.2U CN201921025471U CN210471564U CN 210471564 U CN210471564 U CN 210471564U CN 201921025471 U CN201921025471 U CN 201921025471U CN 210471564 U CN210471564 U CN 210471564U
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- rod
- connecting sleeve
- chair frame
- rod body
- folding chair
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Abstract
The utility model discloses a folding chair frame, include: at least three supporting legss and a protruding connection piece that is equipped with three at least connection feet, the supporting legs includes a big body of rod, a small rod body, a connecting sleeve and a shell fragment, the small rod body is located to big body of rod cover, the connecting sleeve sets firmly outside the big body of rod, the shell fragment is held and is located in the small rod body, it is internal that the corresponding connecting sleeve and big body of rod are rotationally located respectively to connect the foot, the shell fragment has the protruding grain of a salient small rod body, the mutual extrusion of connecting sleeve selectivity makes the protruding big body of rod of protruding grain selectivity, works as the connecting sleeve extrudees each other, protruding grain is internal to shrink into the big body of rod, the small rod body of rod can be internal in the big body of rod and remove, the utility model has the.
Description
Technical Field
The utility model relates to the field of daily necessities, concretely relates to folding chair frame.
Background
The folding chair is a portable and stackable chair, which is convenient to move and saves space. Therefore, the folding chair is widely applied to various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places.
At present, a common folding chair is generally composed of a foldable chair frame, a seat surface for a user to sit is formed above the chair frame, but the chair frame of the common folding chair cannot be stretched, so that the overall size is large, and the common folding chair is not convenient to carry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a folding chair frame of simple structure, convenient to use and transport.
In order to achieve the above object, the technical solution of the present invention is:
a folding chair frame comprising: at least three supporting legss and a protruding connection piece that is equipped with at least three connection feet, the supporting legs includes a big body of rod, a small rod body, a connecting sleeve and a shell fragment, the small rod body is located to big body of rod cover, the connecting sleeve sets firmly outside big body of rod, the shell fragment is held and is located in the small rod body, it is internal that corresponding connecting sleeve and big body of rod are rotationally located respectively to connect the foot, the shell fragment has the protruding grain of a salient small rod body, the mutual extrusion of connecting sleeve selectivity makes the protruding big body of rod of grain selectivity, works as the connecting sleeve extrudees each other, protruding grain is in the big body of rod of retraction, the small rod body can remove in the big body of rod.
The tail ends of the large rod body and the small rod body are sleeved with a sealing cover.
The cross section of the large rod body is circular, and the cross section of the small rod body is D-shaped.
The connecting foot is T-shaped.
The inner wall surface of the connecting sleeve is convexly provided with a convex block for supporting the convex particles.
The connecting sleeve is fixedly arranged outside the large rod body through a rivet.
The side wall of the connecting sleeve is provided with a strip-shaped hole at intervals, the convex block is arranged on the inner wall surface of the connecting sleeve at the upper end of the strip-shaped hole, and the area of the side surface of the connecting sleeve at the upper end of the strip-shaped hole is smaller than that of the side surface of the connecting sleeve at the lower end of the strip-shaped hole.
The connecting sleeve is made of plastic.
After the technical proposal is adopted, the utility model adopts the structural design of the supporting legs and the connecting sheets, when the folding chair frame of the utility model needs to be carried, the supporting legs can lean together, so that the connecting sleeves of the supporting legs are extruded and deformed mutually, the convex particles of the elastic sheets of the supporting legs can be retracted into the large rod body, the elastic sheets are compressed, so that the user can retract the small rod body into the large rod body at the moment, the whole volume of the folding chair frame of the utility model is reduced, the carrying is convenient, when the folding chair frame of the utility model is needed to be used, the supporting legs can be arranged in a staggered way, at the moment, a user can pull the small rod body to lead the small rod body to extend out of the large rod body, when the convex grain moves to its convex position on big body, the convex grain can be under the effect of the elastic restoring force of shell fragment, and the big body of rod of protrusion realizes the location, whole convenient to use, just the utility model has the advantages of simple overall structure.
Drawings
Fig. 1 is a perspective view of the present invention in use;
FIG. 2 is a partially exploded view of FIG. 1;
FIG. 3 is a perspective view of the connecting sheet of the present invention;
fig. 4 is a perspective view of the connecting sleeve of the present invention;
fig. 5 is a perspective view of the small rod body of the present invention;
fig. 6 is a perspective view of the large rod body of the present invention.
[ notation ] to show
Supporting foot 1
Through holes 113, 121
Connecting sleeve 13 elastic sheet 14
Strip shaped hole 134 of projection 133
Convex particle 141
Connecting sleeve 135 at upper end of strip-shaped hole
Connecting sleeve 136 at lower end of strip-shaped hole
Connecting sheet 2
A connecting leg 21.
Detailed Description
To achieve the above objects and advantages, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 6, the present invention discloses a foldable chair frame, comprising: at least three supporting legss 1 and a protruding connection piece 2 that is equipped with at least three connection feet 21, supporting legs 1 includes a big body of rod 11, a small rod body 12, a connecting sleeve 13 and a shell fragment 14, the small rod body 12 is located to big body of rod 11 cover, connecting sleeve 13 sets firmly outside big body of rod 11, shell fragment 14 holds and locates in the small rod body 12, connect feet 21 rotationally locate corresponding connecting sleeve 13 and big body of rod 11 respectively in, shell fragment 14 has the protruding grain 141 of a salient small rod body 12, connecting sleeve 13 selectivity mutual extrusion makes the protruding big body of rod 11 of protruding grain 141 selectivity, works as connecting sleeve 13 mutual extrusion, protruding grain 141 contracts in the big body of rod 11, the small rod body 12 can remove in big body of rod 11.
Therefore, the utility model can make the supporting legs 1 lean together to make the connecting sleeves 13 of the supporting legs 1 mutually extrude and deform when the folding chair frame of the utility model needs to be carried through the structural design of the supporting legs 1 and the connecting sheets 2, the convex particles 141 of the elastic sheets 14 of the supporting legs 1 can be retracted into the large rod body 11, the elastic sheets 14 are compressed, so that the user can retract the small rod body 12 into the large rod body 11 at the moment, the whole volume of the folding chair frame of the utility model is reduced, the carrying is convenient, when the folding chair frame of the utility model needs to be used, the supporting legs 1 can be mutually staggered, at the moment, the user can pull the small rod body 12 to extend out of the large rod body 11, when the convex particles 141 move to the convex position on the large rod body 11, the convex particles 141 can protrude out of the large rod body 11 under the elastic restoring force of the elastic sheets 14, the positioning is realized, the whole use is convenient, just the utility model has simple integral structure.
In this embodiment, the number of the supporting legs 1 is three, the number of the connecting legs 21 is also three, but not limited thereto, the number of the supporting legs 1 and the number of the connecting legs 21 may also be four or five, and after the supporting legs 1 are staggered, a cloth bearing surface (not shown in the figure) for a user to sit on may be fixedly provided at the upper end of the supporting legs 1, the lower end of the supporting legs 1 forms a standing surface, and the large rod body 11 and the small rod body 12 may be made of a metal material, but not limited thereto, and may also be made of other materials; the connecting sleeve 13 can be made of plastic, but not limited to this, and other materials can also be used; the connecting sleeve 13 may be fixed outside the large rod 11 by a rivet, but not limited thereto, and may also adopt other fixing members, a connecting hole 111 through which the connecting pin 21 of the connecting piece 2 passes, a rivet hole 112 through which the rivet passes and a through hole 113 through which the protruding particle 141 protrudes are provided at intervals on the large rod 11 (i.e., the through hole 113 is a protruding position of the protruding particle 141 on the large rod 11), the through hole 113 and the connecting hole 111 are respectively located above and below the rivet hole 112, the small rod 12 is provided with a through hole 121 through which the protruding particle 141 protrudes, the connecting sleeve 13 is provided with a connecting hole 131 through which the connecting pin 21 of the connecting piece 2 passes and a rivet hole 132 through which the rivet passes, the large rod 11 and the small rod 12 are hollow, wherein the connecting pin 21 is T-shaped, the shape of the connecting pin 21 is not limited thereto, or may adopt other shapes, and when the connecting pin 21 of the connecting piece 2 sequentially passes through the connecting hole 131 of the connecting sleeve 13 and the connecting hole 111 of the large rod 11 The connecting holes 131 of the connecting sleeve 13 and the connecting holes 111 of the large rod body 11 can be staggered, so that the rivet holes 132 of the connecting sleeve 13 and the rivet holes 112 of the large rod body 11 are aligned to allow rivets to pass through and be fixed, the connecting holes 131 of the connecting sleeve 13 and the connecting holes 111 of the large rod body 11 are matched to clamp the connecting pins 21 of the connecting sheet 2, the connecting pins 21 are respectively and rotatably arranged in the corresponding connecting sleeve 13 and the corresponding large rod body 11, but not limited to this, and other structures can also be adopted to enable the connecting pins 21 to be respectively and rotatably arranged in the corresponding connecting sleeve 13 and the corresponding large rod body 11.
Then, a sealing cover 15 is fixed to the end of the large rod 11 and the end of the small rod 12, and the sealing cover 15 can prevent the end of the large rod 11 and the end of the small rod 12 from being too sharp, which is not beneficial to the use of the foldable chair frame of the present invention.
In this embodiment, the cross-section of the large rod 11 is circular, as shown in fig. 6, the cross-section of the small rod 12 is D-shaped, that is, the small rod 12 is composed of a plane and an arc surface, the arc surface is just attached to the inside of the large rod 11, and the distance between the plane and the inner wall of the large rod 11 can be used for accommodating the connecting pin 21 of the connecting piece 2, as shown in fig. 5, so that the small rod 12 can move smoothly inside the large rod 11.
Furthermore, the protruding lug 133 that supplies top to protruding grain 141 that is equipped with of the internal wall face of adapter sleeve 13 protruding, lug 133 and connecting hole 131 are located the upper and lower side of rivet hole 132 respectively to when making adapter sleeve 13 be close to mutually, lug 133 can be with corresponding protruding grain 141 top support in the big body of rod 12, thereby be convenient for retract the small body of rod 12 in the big body of rod 11 fast.
In addition, a strip-shaped hole 134 is formed in the side wall of the connecting sleeve 13 at intervals, the convex block 133 is arranged on the inner wall surface of the connecting sleeve 135 at the upper end of the strip-shaped hole, the area of the side surface of the connecting sleeve 135 at the upper end of the strip-shaped hole is smaller than that of the side surface of the connecting sleeve 136 at the lower end of the strip-shaped hole, and therefore the connecting sleeve 133 at the upper end of the strip-shaped hole is extruded and deformed.
The technical content and technical features of the present invention have been disclosed as above, the number of the components of the present invention is not limited to the above, and those skilled in the art may make various replacements and modifications based on the disclosure of the present invention without departing from the spirit of the present invention. Therefore, the protection scope of the present invention should not be limited to the embodiments disclosed, but should include various alternatives and modifications without departing from the invention, and be covered by the claims.
Claims (8)
1. A folding chair frame, comprising: at least three supporting legss and a protruding connection piece that is equipped with at least three connection feet, the supporting legs includes a big body of rod, a small rod body, a connecting sleeve and a shell fragment, the small rod body is located to big body of rod cover, the connecting sleeve sets firmly outside big body of rod, the shell fragment is held and is located in the small rod body, it is internal that corresponding connecting sleeve and big body of rod are rotationally located respectively to connect the foot, the shell fragment has the protruding grain of a salient small rod body, the mutual extrusion of connecting sleeve selectivity makes the protruding big body of rod of grain selectivity, works as the connecting sleeve extrudees each other, protruding grain is in the big body of rod of retraction, the small rod body can remove in the big body of rod.
2. A folding chair frame as claimed in claim 1, characterized in that: the tail ends of the large rod body and the small rod body are sleeved with a sealing cover.
3. A folding chair frame as claimed in claim 1, characterized in that: the cross section of the large rod body is circular, and the cross section of the small rod body is D-shaped.
4. A folding chair frame as claimed in claim 1, characterized in that: the connecting foot is T-shaped.
5. A folding chair frame, according to any one of claims 1 to 4, characterized in that: the inner wall surface of the connecting sleeve is convexly provided with a convex block for supporting the convex particles.
6. A folding chair frame, as claimed in claim 5, characterized in that: the connecting sleeve is fixedly arranged outside the large rod body through a rivet.
7. A folding chair frame as claimed in claim 6, characterized in that: the side wall of the connecting sleeve is provided with a strip-shaped hole at intervals, the convex block is arranged on the inner wall surface of the connecting sleeve at the upper end of the strip-shaped hole, and the area of the side surface of the connecting sleeve at the upper end of the strip-shaped hole is smaller than that of the side surface of the connecting sleeve at the lower end of the strip-shaped hole.
8. A folding chair frame as claimed in claim 7, wherein: the connecting sleeve is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921025471.2U CN210471564U (en) | 2019-07-03 | 2019-07-03 | Folding chair frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921025471.2U CN210471564U (en) | 2019-07-03 | 2019-07-03 | Folding chair frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210471564U true CN210471564U (en) | 2020-05-08 |
Family
ID=70531308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921025471.2U Active CN210471564U (en) | 2019-07-03 | 2019-07-03 | Folding chair frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210471564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110226851A (en) * | 2019-07-03 | 2019-09-13 | 林洪立 | A kind of Foldable chair frame |
-
2019
- 2019-07-03 CN CN201921025471.2U patent/CN210471564U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110226851A (en) * | 2019-07-03 | 2019-09-13 | 林洪立 | A kind of Foldable chair frame |
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