CN210227489U

CN210227489U - Chair leg structure

Info

Publication number: CN210227489U
Application number: CN201920721543.0U
Authority: CN
Inventors: Yiqun Huang; 黄依群
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-04-03
Anticipated expiration: 2029-05-20

Abstract

The utility model relates to a chair leg structure, which comprises a supporting piece and supporting legs, wherein the supporting piece comprises a supporting body and mounting parts, the supporting legs are provided with mounting grooves, each mounting part is embedded in the mounting groove corresponding to the supporting leg, a supporting part is arranged below the mounting part, a clamping component is arranged below the supporting part, and at least one part of the supporting leg passes through the supporting part and is fixedly connected with the clamping component; and a fastening component is arranged between the supporting piece and the supporting leg, and the fastening component sequentially penetrates through the clamping component, the supporting part and the mounting part and then is in threaded connection with the supporting leg. The utility model has simple structure, easy assembly and disassembly, and saves the transportation cost; the support legs are firmly connected with the supporting piece, and both the transverse direction and the longitudinal direction adopt a fixing and limiting structure, so that the support legs are not easy to fall off and shake; the support legs are connected with the supporting piece in the axial direction through the fastening assembly, and are also connected with the clamping assembly through the inserting part, so that two-point connection is realized in the radial direction, the connection pressure of the fastening assembly is reduced, and the connection is more stable.

Description

Chair leg structure

Technical Field

The utility model relates to a chair foot technical field, in particular to chair foot structure.

Background

The existing chair leg is usually an integrally formed plastic part or metal part, but the integrally formed chair leg has the problem of difficult processing. As the chair leg has larger volume and complex structure, the process of injection molding, casting molding and the like needs longer time, the mechanical cold machining process is complex, and the production efficiency is lower. In addition, the chair legs occupy larger space, and the packaging and transportation costs are higher.

For example: application number is 201020672820.2's china the utility model discloses a just, dismouting chair foot, including vapour pressure stick supporting block and 3 at least toes and constitute, vapour pressure stick supporting block is used for supporting vapour pressure stick, the seatpad of seat and above part, and the toes distributes around vapour pressure stick supporting block for with ground direct contact, vapour pressure stick supporting block is equipped with the cantilever of terminal area hook, imbeds respectively the inslot that the toes were equipped with for form the chair foot structure of atress with both built-up connections, its shortcoming lie in this toes and vapour pressure stick supporting block only through being connected in the cantilever embedded groove, and this kind of connected mode is not firm enough, and the cantilever breaks away from the inslot easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a chair foot structure solves the unstable problem of chair foot connection.

The above object of the present invention can be achieved by the following technical solutions: a chair leg structure comprises a supporting piece and supporting legs, wherein the supporting piece comprises a supporting body and a plurality of mounting parts fixed on the supporting body, mounting grooves are formed in the supporting legs, each mounting part is embedded in the mounting groove corresponding to the corresponding supporting leg, a supporting part used for supporting the lower part of the supporting leg is arranged below the mounting part, a clamping component is arranged below the supporting part, and at least one part of the supporting leg penetrates through the supporting part and is fixedly connected with the clamping component; be provided with the prevention between support piece and the stabilizer blade the installation department breaks away from the fastening components of mounting groove, fastening components pass in proper order behind centre gripping subassembly, supporting part and the installation department with the stabilizer blade spiro union.

Preferably, the supporting portion is provided with an axially-penetrating positioning hole, the support leg is provided with an inserting portion, and the inserting portion penetrates through the positioning hole to the position below the supporting portion and is connected with the clamping assembly.

Preferably, the positioning holes are respectively formed in two sides of the mounting portion, and the inserting portion is fixedly connected to two side walls of the mounting groove and clamped on two sides of the mounting portion. The left and right movement of the support legs is limited by the left and right insertion parts.

Preferably, the side surface of the mounting part is provided with a limiting part for preventing the support leg from moving in the radial direction, the limiting parts are distributed at intervals in the radial direction, and the positioning hole is formed between every two adjacent limiting parts. The limit part is matched with the insertion part to limit the radial movement of the support leg.

Preferably, the clamping assembly comprises two clamping portions used for clamping on the insertion portion, one ends of the two clamping portions are hinged to each other, the other ends of the two clamping portions penetrate through the fastening assembly, and the end portions are provided with through holes used for penetrating through the fastening assembly.

Preferably, one end of the insertion part, which is located below the supporting part, is provided with a first buckling groove, and the clamping part is provided with a second buckling groove which is used for being clamped on the first buckling groove.

Preferably, the support body is provided with a guide part, the guide part axially extends from the upper end to the support part, the support leg is provided with guide blocks axially moving along the guide part, and at least two guide blocks are clamped at two sides of the guide part.

When the supporting leg is installed, the supporting leg is located and installed through axial movement of the guide portion, the inserting portion is smoothly inserted into the locating hole, and the supporting leg is convenient to install.

Preferably, the guide part is provided with a sliding groove for limiting the radial movement of the guide block, the sliding groove extends from the upper end to the lower end of the guide part in the axial direction, and the two guide blocks are respectively installed in the corresponding sliding grooves in a sliding manner.

Preferably, the support leg is provided with a threaded connection part with an internal threaded hole, the support part is provided with a bolt mounting hole for inserting the fastening assembly, and the bolt mounting hole and the internal threaded hole are axially arranged correspondingly.

Preferably, the threaded connection portion is disposed in the mounting groove, the mounting portion is provided with a bolt positioning portion for abutting against an end portion of the threaded connection portion, the bolt positioning portion is disposed outside the guide portion, and the bolt mounting hole axially penetrates through the bolt positioning portion and the support portion.

The utility model has the advantages that:

1. the utility model has simple structure, easy assembly and disassembly, and saves the transportation cost; the support legs are firmly connected with the supporting piece, and both the transverse direction and the longitudinal direction adopt a fixing and limiting structure, so that the support legs are not easy to fall off and shake;

2. the support legs and the supporting piece are connected in the axial direction through the fastening assembly and also connected through the inserting part and the clamping assembly, two-point connection is realized in the radial direction, the connection pressure of the fastening assembly is reduced, and the connection is more stable;

3. the cooperation of guide block and guide part can accurately install the spacing portion of second to the position that corresponds, reduces the installation degree of difficulty of stabilizer blade.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an exploded side view in an embodiment of the invention;

FIG. 3 is a schematic structural view of a support member according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a leg in an embodiment of the invention;

FIG. 5 is a schematic structural view of a clamping assembly according to an embodiment of the present invention;

in the figure: 1-supporting piece, 11-supporting body, 12-mounting part, 13-supporting part, 14-limiting part, 15-positioning hole, 16-guiding part, 17-sliding groove, 18-bolt positioning part, 19-bolt mounting hole, 2-supporting leg, 21-mounting groove, 22-inserting part, 23-first buckling groove, 24-guiding block, 25-threaded connecting part, 3-clamping component, 31-clamping part, 32-second buckling groove, 33-through hole and 4-fastening component.

Detailed Description

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

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.

Example (b): as shown in fig. 1 to 5, a chair leg structure comprises a supporting member 1 and a supporting leg 2, wherein the supporting member 1 comprises a supporting body 11 and five mounting portions 12 fixed on the supporting body 11, and the five mounting portions 12 are circumferentially and uniformly distributed on the supporting body 11 and are integrally connected with the supporting body 11. The supporting legs 2 are provided with mounting grooves 21, and each mounting portion 12 is embedded in the mounting groove 21 of the corresponding supporting leg 2.

A support portion 13 is provided below the mounting portion 12 to be supported below the leg 2, and a positioning hole 15 is provided in the support portion 13 to axially penetrate therethrough. The clamping component 3 is arranged below the supporting part 13, the inserting part 22 is arranged on the supporting leg 2, and the inserting part 22 penetrates through the positioning hole 15 to the position below the supporting part 13 and is connected with the clamping component 3. The positioning holes 15 are respectively arranged at two sides of the mounting part 12, and the inserting parts 22 are fixedly connected to two side walls of the mounting groove 21 and clamped at two sides of the mounting part 12.

The side of the mounting part 12 is provided with a limiting part 14 for preventing the support leg 2 from moving in the radial direction, and the limiting part 14 is connected with the mounting part 12 as a whole. The limiting parts 14 are distributed at intervals along the radial direction, the positioning holes 15 are arranged between two adjacent limiting parts 14, and after the inserting part 22 is inserted into the positioning holes 15, the inserting part 22 is clamped between two adjacent limiting parts 14 along the radial direction.

As shown in fig. 2, a fastening assembly 4 for preventing the mounting portion 12 from being separated from the mounting groove 21 is disposed between the supporting member 1 and the supporting leg 2, the fastening assembly 4 sequentially passes through the clamping assembly 3, the supporting portion 13 and the mounting portion 12 and then is screwed with the supporting leg 2, and the fastening assembly 4 is a bolt.

As shown in fig. 3 and 4, the supporting body 11 is provided with a guiding portion 16, the guiding portion 16 extends axially from the upper end to the supporting portion 13, the supporting leg 2 is provided with a guiding block 24 moving axially along the guiding portion 16, and at least two guiding blocks 24 are clamped on two sides of the guiding portion 16. The guide part 16 is provided with a sliding groove 17 for limiting the radial movement of the guide block 24, the sliding groove 17 extends from the upper end to the lower end of the guide part 16 in the axial direction, and the two guide blocks 24 are respectively installed in the corresponding sliding grooves 17 in a sliding manner.

The support leg 2 is provided with a threaded connection part 25 with an internal threaded hole, the support member 1 is provided with a bolt mounting hole 19 for inserting the fastening component 4, and the bolt mounting hole 19 is axially arranged corresponding to the internal threaded hole. The threaded connection portion 25 is fixed in the mounting groove 21, the mounting portion 12 is provided with a bolt positioning portion 18 for abutting against an end portion of the threaded connection portion 25, the bolt positioning portion 18 is provided outside the guide portion 16, and the bolt mounting hole 19 axially penetrates the bolt positioning portion 18 and the support portion 13.

As shown in fig. 4 and 5, the clamping assembly 3 includes two clamping portions 31 for clamping on the insertion portion 22, one ends of the two clamping portions 31 are hinged to each other, the other ends are inserted into the fastening assembly 4, and the ends are provided with through holes 33 for inserting the fastening assembly 4. One end of the insertion part 22 located below the supporting part 13 is provided with a first fastening groove 23, and the clamping part 31 is provided with a second fastening groove 32 for being fastened on the first fastening groove 23.

When the chair leg is assembled, the supporting leg 2 is arranged on the supporting piece 1 from top to bottom along the guide part 16, the mounting part 12 is buckled into the mounting groove 21 of the supporting leg 2, the lower end surface of the supporting leg 2 is abutted against the supporting part 13, the insertion part 22 is inserted into the positioning hole 15 on the supporting part 13, and the lower end of the insertion part 22 is positioned below the supporting part 13. Then clamping the clamping component 3 on the inserting part 22, fastening the first fastening groove 23 and the second fastening groove 32, aligning the through holes 33 of the two clamping parts 31 with the bolt mounting holes 19 on the supporting member 1, finally, threading the bolt through the through holes 33 and the bolt mounting holes 19 from bottom to top and then screwing the bolt with the internal thread hole of the threaded connection part 25, and pressing the clamping component 3 on the bottom of the supporting part 13 by the nut at the lower end of the bolt, thereby completing the connection of the supporting leg 2 and the supporting member 1.

Claims

1. The utility model provides a chair foot structure, includes support piece (1) and stabilizer blade (2), support piece (1) is including supporting body (11) and being fixed in a plurality of installation departments (12) on supporting body (11), be provided with mounting groove (21) on stabilizer blade (2), every installation department (12) inlay and establish in mounting groove (21) that correspond stabilizer blade (2), its characterized in that: a supporting part (13) which is used for supporting the lower part of the supporting leg (2) is arranged below the mounting part (12), a clamping component (3) is arranged below the supporting part (13), and at least one part of the supporting leg (2) penetrates through the supporting part (13) and is fixedly connected with the clamping component (3); be provided with the prevention between support piece (1) and stabilizer blade (2) installation department (12) break away from fastening components (4) of mounting groove (21), fastening components (4) pass in proper order behind clamping components (3), supporting part (13) and installation department (12) with stabilizer blade (2) spiro union.

2. A chair leg structure according to claim 1, wherein: the supporting portion (13) is provided with an axially-penetrating positioning hole (15), the support leg (2) is provided with an inserting portion (22), and the inserting portion (22) penetrates through the positioning hole (15) to the position below the supporting portion (13) and is connected with the clamping assembly (3).

3. A chair leg structure according to claim 2, wherein: the positioning holes (15) are respectively arranged on two sides of the mounting portion (12), and the inserting portion (22) is fixedly connected to two side walls of the mounting groove (21) and clamped on two sides of the mounting portion (12).

4. A chair leg structure according to claim 3, wherein: the side of the mounting part (12) is provided with a limiting part (14) for preventing the support leg (2) from moving radially, the limiting part (14) is distributed at intervals along the radial direction, and the positioning hole (15) is arranged between two adjacent limiting parts (14).

5. A chair leg structure according to claim 2, wherein: the clamping assembly (3) comprises two clamping portions (31) used for clamping on the insertion portion (22), one ends of the two clamping portions (31) are hinged to each other, the other ends of the two clamping portions penetrate through the fastening assembly (4), and the end portions are provided with through holes (33) used for penetrating through the fastening assembly (4).

6. A chair leg structure according to claim 5, wherein: one end of the insertion part (22) located below the supporting part (13) is provided with a first buckling groove (23), and the clamping part (31) is provided with a second buckling groove (32) used for being clamped on the first buckling groove (23).

7. A chair leg structure according to claim 1, wherein: the supporting body (11) is provided with a guide part (16), the guide part (16) axially extends to the supporting part (13) from the upper end, the supporting leg (2) is provided with guide blocks (24) axially moving along the guide part (16), and at least two guide blocks (24) are clamped on two sides of the guide part (16).

8. A chair leg structure according to claim 7, wherein: be provided with on guide part (16) and restrict spout (17) of guide block (24) radial movement, spout (17) extend to the lower extreme by guide part (16) upper end axial two guide block (24) slidable mounting respectively in corresponding spout (17).

9. A chair leg structure according to claim 8, wherein: the supporting foot (2) is provided with a threaded connection part (25) with an internal threaded hole, the supporting piece (1) is provided with a bolt mounting hole (19) for inserting the fastening component (4), and the bolt mounting hole (19) is axially arranged corresponding to the internal threaded hole.

10. A chair leg structure according to claim 9, wherein: the threaded connection portion (25) is arranged in the mounting groove (21), a bolt positioning portion (18) used for abutting against the end portion of the threaded connection portion (25) is arranged on the mounting portion (12), the bolt positioning portion (18) is arranged on the outer side of the guide portion (16), and the bolt mounting hole (19) axially penetrates through the bolt positioning portion (18) and the supporting portion (13).