CN218105349U - Chair leg structure of chair - Google Patents
Chair leg structure of chair Download PDFInfo
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- CN218105349U CN218105349U CN202222461054.0U CN202222461054U CN218105349U CN 218105349 U CN218105349 U CN 218105349U CN 202222461054 U CN202222461054 U CN 202222461054U CN 218105349 U CN218105349 U CN 218105349U
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Abstract
The utility model provides a chair leg structure of a chair, which comprises a chair leg unit with a metal tubular structure and a decorative leg sleeve assembled at the end part of the chair leg unit; the decorative foot sleeve is provided with an inserting end for inserting the chair foot unit and an arc surface end with an arc outline; the inserting end is provided with an inserting groove which extends from the inserting end to the cambered end so that the inside of the inserting groove is correspondingly provided with an arc-shaped inserting inner wall; the end part of the chair leg unit is correspondingly configured into an arc-shaped interface end; the arc-shaped contour of the interface end is matched with the arc-shaped contour of the inserting inner wall; the chair leg unit is inserted in the decorative leg sleeve to ensure that the interface end is attached to the inserted inner wall; a screw is connected between the bottom end of the decorative foot sleeve and the bottom end of the chair foot unit; the decorative foot sleeves and the chair foot units are tightly inserted, and no gap exists after the decorative foot sleeves and the chair foot units are inserted; so that the two are tightly connected.
Description
Technical Field
The utility model relates to a thing to sit on field, in particular to chair foot structure of chair.
Background
The learning chair is arranged in a school classroom or a family and is a learning partner of children; therefore, a safe, sturdy, practical, comfortable chair for learning is very important.
The structure of the prior common learning chair comprises a chair back, a chair seat and bottom feet; wherein the bottom feet comprise two steel chair feet which are arranged along the front-back direction and are spaced from each other left and right; the middle position of each steel tube chair leg is provided with a lifting chair rod, and the chair seat is arranged on the lifting chair rod. In particular to an easy lifting learning chair disclosed in the utility model CN201220163295.0, which comprises a chair backrest plate, a chair frame steel pipe, a seat plate and a learning chair frame; the chair backrest plate is connected with the seat plate through a chair frame steel pipe, and the seat plate is connected with the chair frame of the learning chair; the learning chair frame comprises two sets of lifting inner tubes and lifting outer tubes which are sleeved together, and the lifting regulator is arranged on the lifting outer tubes; one end of the lifting outer pipe is welded on the chair leg steel pipe, foot sleeves are arranged at two ends of the chair leg steel pipe, balance adjusting screws are arranged at the lower ends of the foot sleeves, and the middle of the two lifting outer pipes are connected through a connecting rod. Wherein, the two ends of the chair leg steel tube of the learning chair are provided with foot sleeves, and the lower ends of the foot sleeves are also provided with balance adjusting screws. Because the chair leg steel tube is made of metal, the end part of the chair leg steel tube is relatively sharp; therefore, the chair legs can be used more safely and beautify the appearance by arranging the leg sleeves on the chair legs. However, the existing chair leg steel tubes are generally made of metal square tubes, so that the end parts of the chair leg steel tubes are rectangular; the end parts of the foot sleeves are generally designed to be round and smooth and are in an arc shape; when the chair leg steel tubes are spliced and matched with the leg sleeves, gaps can exist between the leg sleeves and the chair leg steel tubes; so that the two are not tightly connected and are easy to fall off after long-time use. Moreover, if a gap exists between the foot sleeve and the chair leg steel tube, the length of the overlapped part of the foot sleeve and the chair leg steel tube is shortened; and a chair leg support is further connected to the lower end of the foot cover, so that the installation position of the chair leg support needs to be deviated, thereby affecting the installation position of the chair leg support.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a chair leg structure of a chair; the decorative foot sleeve is provided with an arc surface end; correspondingly, the end part of the chair leg unit is configured to be an arc-shaped interface end; when the chair leg unit is spliced and matched with the decorative leg sleeve, the interface end can be spliced in the slot and attached to the splicing inner wall; therefore, the decorative foot sleeves and the chair foot units are tightly inserted, and no gap exists after the decorative foot sleeves and the chair foot units are inserted; so that the two are tightly connected.
The technical scheme of the utility model is realized like this:
a chair leg structure of a chair comprises a chair leg unit with a metal tubular structure and a decorative leg sleeve assembled at the end part of the chair leg unit; the decorative foot sleeve is provided with an inserting end for inserting the chair foot unit and an arc-shaped end with an arc-shaped outline; the inserting end is provided with an inserting slot which extends from the inserting end to the cambered end so that the inside of the inserting slot is correspondingly provided with an arc-shaped inserting inner wall; the end part of the chair leg unit is correspondingly configured into an arc-shaped interface end; the arc-shaped contour of the interface end is matched with the arc-shaped contour of the inserting inner wall; the chair leg unit is inserted in the decorative leg sleeve to enable the interface end to be attached to the inserted inner wall; and a screw is connected between the bottom end of the decorative foot sleeve and the bottom end of the chair foot unit.
Preferably, the decorative foot cover also comprises a supporting foot piece arranged at the bottom end of the decorative foot cover; the screw is a connecting column arranged at the upper end of the supporting foot piece, and the connecting column is a screw rod; the connecting column is sequentially arranged in the decorative foot sleeve and the chair foot unit in a penetrating way from bottom to top. The decorative foot cover is further connected and matched with the chair foot unit through the connecting supporting foot piece.
Preferably, the bottom end of the chair leg unit is provided with a mounting hole with internal threads, and the bottom end of the decorative leg sleeve is correspondingly provided with a connecting hole; the connecting column penetrates through the connecting hole from bottom to top and is in threaded connection with the mounting hole. So that the supporting foot piece is convenient and quick to install.
Preferably, the horizontal distance between the mounting hole and the arc surface end of the decorative foot sleeve is between 10 and 35 mm. After the decorative foot sleeves are in inserted fit with the chair foot units, no gap exists between the decorative foot sleeves and the chair foot units; therefore, the installation position of the foot pad can be arranged closer to the decorative foot cover; the structure design is ingenious.
Preferably, the support foot member is a foot pad configured to press against the bottom of the decorative foot cover. Make the callus on the sole both play and ground contact supporting role, can also carry on spacingly to decorating the podotheca.
Preferably, the interface end is in an arc shape with a convex middle position, and the inserting inner wall is correspondingly in a concave arc shape. The decorative foot cover and the chair foot unit are tightly inserted, and no gap exists after the decorative foot cover and the chair foot unit are inserted.
Preferably, the decorative foot cover is made of hard plastic materials. So that the two are convenient to be inserted; and the decorative foot cover can be formed by injection molding, so that the processing is convenient.
Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:
in the chair leg structure of the chair, the decorative leg sleeve is provided with an inserting end for inserting the chair leg unit and an arc end with an arc outline; the cambered end enables the decorative foot cover to be round and smooth in appearance, and the decorative effect can be achieved. The inserting end is provided with an inserting groove, and an arc-shaped inserting inner wall is correspondingly arranged in the inserting groove. Correspondingly, the end part of the chair leg unit is processed, so that an arc-shaped interface end is formed at the end part of the chair leg unit; the radian of the interface end is matched with that of the splicing inner wall; when the chair leg unit is spliced and matched with the decorative leg sleeve, the interface end can be spliced in the slot and attached to the splicing inner wall; therefore, the decorative foot sleeves and the chair foot units are tightly inserted, and no gap exists after the decorative foot sleeves and the chair foot units are inserted.
Secondly, after the decorative foot sleeves are in inserting fit with the chair foot units, no gap exists between the decorative foot sleeves and the chair foot units; the cambered surface end of the decorative foot sleeve and the interface end of the chair foot unit approach each other; therefore, the installation position of the foot pad can be arranged closer to the decorative foot cover; the horizontal distance between the mounting hole and the arc surface end of the decorative foot sleeve is between 10 and 35 mm; thus, the mounting position of the foot pad is more beautiful.
Moreover, the bottom end of the decorative foot sleeve is further connected with a supporting foot piece, and the upper end of the supporting foot piece is provided with a connecting column which is a screw rod; the bottom end of the chair leg unit is provided with a mounting hole with internal threads, and the bottom end of the decorative leg sleeve is correspondingly provided with a connecting hole; when the supporting leg piece is installed, the connecting column penetrates through the connecting hole from bottom to top and is in threaded connection with the mounting hole; so that the supporting foot piece is convenient and quick to install. The supporting foot piece is a foot pad which is configured to be pressed on the bottom of the decorative foot sleeve; make the callus on the sole both play and ground contact supporting role, can also carry on spacingly to decorating the podotheca.
Drawings
Fig. 1 is a schematic perspective view illustrating a chair leg structure applied in a chair according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a chair leg structure according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of the chair leg unit and the decorative leg sleeve of the present invention;
FIG. 4 is a schematic perspective view of a chair leg unit according to an embodiment of the present invention;
FIG. 5 is a top view of a leg unit according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of the decorative foot cover slot according to an embodiment of the present invention;
fig. 7 is a schematic view of the chair leg unit and the decorative leg sleeve after being inserted in the embodiment of the present invention.
The figures are numbered: a chair leg unit 1; an interface end 1a; decorating the foot cover 2; a plug-in end 2a; an arc surface end 2b; a slot 3; an insertion inner wall 3a; a foot pad 4; a connecting column 5; a mounting hole 6; and connecting to the aperture 7.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific implementation manner of the utility model is as follows:
as shown in fig. 1-7, the present invention provides a chair leg structure of a chair, comprising a chair leg unit 1 of a metal tubular structure and a decorative leg sleeve 2 assembled at the end of the chair leg unit 1; wherein, chair foot unit 1 arranges along the fore-and-aft direction, and chair foot unit 1 mirror image sets up the left and right sides in the chair bottom. And the chair leg unit 1 is matched with the decorative leg sleeve 2 in an inserting way; the chair leg unit 1 is a metal tube, so the end part is sharp; the arrangement of the decorative coat 2 can make the chair leg unit 1 safer to use and beautify the appearance.
As shown in fig. 2-7, the decorative foot cover 2 has an insertion end 2a for inserting the chair foot unit 1 and an arc end 2b with an arc contour; the cambered surface end 2b enables the decorative foot sleeve 2 to have a round and smooth appearance, and can achieve a better decorative effect. And the inserting end 2a is provided with a slot 3, the slot 3 extends from the inserting end 2a to the arc end 2b, so that the inside of the slot 3 is correspondingly provided with an arc inserting inner wall 3a. The decorative foot sleeves 2 are made of hard plastic materials and have certain hardness, so that the sleeving connection is convenient; and the decorative foot cover 2 can be injection molded, so that the processing is convenient.
Further, as the inner part of the slot 3 is provided with an arc-shaped inserting inner wall 3a, the end part of the chair leg unit 1 is processed, so that an arc-shaped interface end 1a is formed at the end part of the chair leg unit 1; the method specifically comprises the following steps: as shown in fig. 4-6, the interface end 1a is in the shape of an arc with a convex middle position, and the insertion inner wall 3a is correspondingly in the shape of a concave arc; the radian of the interface end 1a is matched with that of the splicing inner wall 3a; when the chair leg unit 1 is matched with the decorative leg sleeve 2 in an inserting way, the interface end 1a can be inserted in the inserting slot and attached to the inserting inner wall 3a; therefore, the decorative foot cover 2 and the chair foot unit 1 are tightly inserted, and no gap exists after the decorative foot cover and the chair foot unit are inserted.
As shown in fig. 1-7, a supporting leg member is further disposed at the bottom end of the decorative leg sleeve 2, the supporting leg member is specifically a leg pad 4, a connecting column 5 is disposed at the upper end of the leg pad 4, and the connecting column 5 is configured as a screw rod; the bottom of the chair leg unit 1 is provided with a threaded mounting hole 6, and the bottom end of the decorative leg sleeve 2 is correspondingly provided with a connecting hole 7; during assembly, the decorative foot sleeves 2 are sleeved at the end parts of the chair foot units 1, then the foot pads 4 are installed, and the connecting columns 5 penetrate through the connecting holes 7 from bottom to top and are in threaded connection in the mounting holes 6. After the foot pads 4 are connected, the foot pads 4 are tightly pressed at the bottoms of the decorative foot sleeves 2; thereby make the callus on the sole 4 assembly back, can with decorate the podotheca 2 press fit to restriction decorates the podotheca 2 skew. Make callus on the sole 4 both play and ground contact supporting role, can also carry on spacingly to decorating podotheca 2.
As shown in fig. 1-3, after the decorative foot cover 2 and the chair foot unit 1 are assembled, the horizontal distance between the mounting hole 6 at the chair foot unit 1 and the cambered end 2b of the decorative foot cover 2 is between 10 and 35mm, so that after the foot pad 4 is assembled, the foot pad 4 can be just positioned at the front end of the bottom of the decorative foot cover 2; the decorative foot sleeve 2 and the chair foot unit 1 are in inserted fit, and no gap exists between the decorative foot sleeve and the chair foot unit; the cambered surface end 2b of the decorative foot sleeve 2 and the interface end 1a of the chair foot unit 1 approach each other, so that the installation position of the foot pad 4 can be arranged closer to the decorative foot sleeve 2; the installation position of the foot pad 4 is more beautiful, and the structural design is ingenious.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (7)
1. A chair leg structure of a chair is characterized in that: comprises a chair leg unit with a metal tubular structure and a decorative leg sleeve assembled at the end part of the chair leg unit; the decorative foot sleeve is provided with an inserting end for inserting the chair foot unit and an arc surface end with an arc outline; the inserting end is provided with an inserting groove which extends from the inserting end to the cambered end so that the inside of the inserting groove is correspondingly provided with an arc-shaped inserting inner wall; the end part of the chair leg unit is correspondingly configured into an arc-shaped interface end; the arc contour of the interface end is matched with the arc contour of the inserting inner wall; the chair leg unit is inserted in the decorative leg sleeve to enable the interface end to be attached to the inserted inner wall; and a screw is connected between the bottom end of the decorative foot sleeve and the bottom end of the chair foot unit.
2. The leg structure of a chair according to claim 1, wherein: the decorative foot sleeve also comprises a supporting foot piece arranged at the bottom end of the decorative foot sleeve; the screw is a connecting column arranged at the upper end of the supporting foot piece, and the connecting column is a screw rod; the connecting column is sequentially arranged in the decorative foot sleeve and the chair foot unit in a penetrating way from bottom to top.
3. The chair leg structure of claim 2, wherein: the bottom end of the chair leg unit is provided with a mounting hole with internal threads, and the bottom end of the decorative leg sleeve is correspondingly provided with a connecting hole; the connecting column penetrates through the connecting hole from bottom to top and is in threaded connection with the mounting hole.
4. The chair leg structure of claim 3, wherein: the horizontal distance between the mounting hole and the arc surface end of the decorative foot sleeve is between 10 and 35 mm.
5. The chair leg structure of claim 2, wherein: the support foot member is a foot pad configured to be pressed against the bottom of the decorative foot cover.
6. The chair leg structure of claim 1, wherein: the interface end is in a convex arc shape at the middle position, and the inserting inner wall is correspondingly in a concave arc shape.
7. The chair leg structure of claim 1, wherein: the decorative foot cover is made of hard plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222461054.0U CN218105349U (en) | 2022-09-16 | 2022-09-16 | Chair leg structure of chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222461054.0U CN218105349U (en) | 2022-09-16 | 2022-09-16 | Chair leg structure of chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218105349U true CN218105349U (en) | 2022-12-23 |
Family
ID=84530728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222461054.0U Active CN218105349U (en) | 2022-09-16 | 2022-09-16 | Chair leg structure of chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218105349U (en) |
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2022
- 2022-09-16 CN CN202222461054.0U patent/CN218105349U/en active Active
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