CN217161496U

CN217161496U - Seat underframe

Info

Publication number: CN217161496U
Application number: CN202220797532.2U
Authority: CN
Inventors: 朱小妹
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-12
Anticipated expiration: 2032-04-08

Abstract

The utility model relates to a seat technical field especially relates to a seat chassis contains tray and a plurality of chair foot monomer, the tray contains positive polygon post portion, chair foot monomer contain the supporting legs and connect in the mounting panel of supporting legs is one, mounting panel one install in the side of positive polygon post portion. Each chair leg monomer of the scheme is independent and has the same structure, thereby being beneficial to saving the production management cost and avoiding misplacement of part types during boxing; this scheme can also more conveniently adjust the free quantity of chair foot that the seat chassis contained according to the demand to increase product diversity.

Description

Seat underframe

Technical Field

The utility model relates to a seat technical field especially relates to a seat chassis.

Background

The seat underframe comprises a tray connected to the bottom surface of the seat plate of the chair and a chair leg piece connected to the tray, the chair leg piece often comprises a plurality of annular arrays and non-detachable chair leg single bodies, and the large size of the chair leg piece brings inconvenience to packaging and transportation.

The patent of the Chinese utility model with the application number of CN201922386571.4 discloses a detachable lower frame of a table and a chair, which comprises a connecting piece, a double-leg upper frame, a double-leg underframe and a bottom cover; the two-leg upper frame is sleeved outside the connecting piece; the double-leg underframe is embedded into the bottom of the connecting piece and is arranged in a crossed manner with the double-leg upper frame; the bottom cover is connected to the bottom of the connecting piece in a buckling mode and limits the double-foot upper frame and the double-foot underframe to move along the axial direction. This scheme divides into the both feet upper bracket and the both feet chassis of dismantling the connection with chair foot spare, enables the packing more the platykurtic, is favorable to reducing the packing volume, but this scheme has certain drawback: the double-leg upper frame and the double-leg bottom frame are two parts with different structures and similar appearances, so that the cost of production management is increased, and the types of the parts are easily misplaced during boxing; and the number of the chair leg single bodies is limited to four, so that the adjustment is inconvenient according to requirements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a seat bottom frame aiming at the defects of the prior art, which has no limit to the number of the chair leg monomers and is beneficial to increasing the diversity of products; moreover, the structural differences of different types of parts contained in the packaging box are obvious, the packaging box is easy to distinguish, the production management is convenient, and the packaging box is favorable for reducing the error rate of packaging.

The utility model discloses a can realize through following technical scheme:

a seat chassis comprising a tray comprising a regular polygonal column portion; the chair leg comprises a plurality of supporting legs and a first mounting plate connected to the supporting legs, and the first mounting plate is mounted on the side face of the regular multi-prism part.

In a regular polygon prism, two mutually parallel regular polygon surfaces are the bottom surface of the regular polygon prism, and the other surfaces are the side surfaces of the regular polygon prism. The different kinds of spare part structure difference of this scheme is obvious, is favorable to saving production management cost, can also avoid putting wrong part when vanning. Prior art if need adjust the free quantity of chair foot, need plan again two feet put on the shelf and the biped chassis connection structure between two feet that contain respectively, and set up more biped framves, and mutual interference easily in the assembly process, each chair foot monomer of this scheme is independent separately and the structure is the same, can conveniently adjust the free quantity of chair foot that the seat chassis contained according to the demand comparatively, when needs contain N chair foot monomers, adjust positive many prism portion for positive N prism structure, then, it can with the free installed part of chair foot that is used for installing the chair foot to be equipped with the chair foot monomer of required quantity. The mounting member can be selected from bolts or screws in the prior art.

Preferably, the tray further includes a panel portion, and the regular polygonal pillar portion is detachably connected to the panel portion.

The panel portion is used for installing in the bottom surface of the bedplate of chair, should prefer that positive polygonal column portion can dismantle connect in panel portion, therefore, when the user wants to adjust the free quantity of chair foot in order to repack the seat, panel portion need not to replace along with positive polygonal column portion together, is favorable to improving panel portion's utilization ratio, avoids the wasting of resources. Specifically, the panel portion contains the double-screw bolt, positive polygon prism portion contains the screw post hole, the panel portion with positive polygon prism portion passes through this double-screw bolt and screw post hole and can dismantle the connection.

Preferably, the chair leg single body further comprises a second mounting plate for mounting on the bottom of the regular polygonal column part, and the second mounting plate is connected to the bottom surface of the first mounting plate.

The second mounting plate is preferably arranged, so that the pressure borne by the first mounting plate from the regular multi-prism part can be shared, and the stability of connection between the chair foot single body and the regular multi-prism part can be improved. Specifically, the second mounting plate may be mounted to the bottom of the regular polygonal column portion by bolts.

Preferably, the top surface of the mounting plate II is connected with a pre-assembly column, and the bottom of the regular multi-prism part is provided with a pre-assembly groove for inserting the pre-assembly column.

The first mounting plate and the second mounting plate are both mounted on the regular multi-prism part through bolts, and the user can easily and quickly align the threaded holes of the first mounting plate and the second mounting plate to the corresponding threaded holes of the regular multi-prism part, so that the bolts can be mounted conveniently. During specific operation, the tray is inverted, the single pre-assembled column of the chair leg is inserted into the pre-assembled groove, the second mounting plate is attached to the regular multi-prism part, and the threaded holes of the first mounting plate and the second mounting plate can be aligned to the corresponding threaded holes of the regular multi-prism part.

Preferably, still include the reinforcement ring, the supporting legs includes buckle ring portion, buckle ring portion includes and is used for the lock the catching groove of reinforcement ring.

When the people sits on the seat, the trend that expands outward is had behind the individual atress of chair foot, should prefer the supporting legs contains buckle ring portion, buckle ring portion contains and is used for the lock the catching groove of reinforcing ring, it is a plurality of the equal lock of supporting legs connect in reinforcing ring is favorable to preventing the individual outward expansion of chair foot to improve the stability of seat.

Preferably, the fastening ring part is located at the middle part of the supporting leg in the length direction.

If the retaining ring part is arranged close to the top of the chair leg single body, the reinforcing ring is difficult to effectively prevent the chair leg single body from expanding outwards; if the buckle ring part is arranged close to the bottom of the chair leg single body, the chair leg single body can be effectively prevented from expanding outwards, but the middle part of the chair leg single body is easy to bend after being stressed. The buckle ring is preferably arranged in the middle of the supporting leg in the length direction, so that the single chair leg can be prevented from expanding outwards, and meanwhile, the reinforcing ring buckled on the buckle ring part can prevent the middle of the single chair leg from being bent after being stressed.

Preferably, the bottom of the supporting foot is detachably connected with a universal wheel assembly.

From this, the user can make the seat conveniently slide through installation universal wheel assembly according to hobby and demand of oneself, or make the seat place in ground more stably through dismantling universal wheel assembly.

The utility model discloses following beneficial effect has:

1. each chair foot monomer of this scheme is independent separately and the structure is the same, is favorable to saving production management cost, can also avoid putting wrong part when the vanning.

2. This scheme is unrestricted to the free quantity of chair foot, and the producer can be through replacing regular polygon portion, be equipped with the free bolt of the free chair foot of corresponding quantity of chair foot and be used for installing the chair foot again to increase the variety of product.

3. The panel portion of this scheme with just polygon portion can dismantle the connection, from this, the user wants to adjust the free quantity of chair foot when repacking seat, only needs the positive polygon portion of replacement and installs the chair foot monomer that corresponds quantity, and the panel portion need not to replace along with just polygon portion together, is favorable to improving the utilization ratio of panel portion, avoids the wasting of resources.

4. The utility model discloses still contain and be used for the lock to connect the free reinforcement ring of each chair foot, can avoid the chair foot monomer to expand outward and lead to the seat to scatter the frame.

5. The bottom of supporting legs can be dismantled and be connected with the universal wheel subassembly, from this, the user can make the seat satisfy the demand that conveniently slides through installing the universal wheel subassembly, or makes the seat satisfy the demand of stably placing through demolising the universal wheel subassembly, is favorable to extending the performance of seat to satisfy the user demand better.

Drawings

In the figure: 1 tray, 11 regular polygonal column parts, 111 pre-installation grooves, 12 panel parts, 2 chair leg single bodies, 21 supporting legs, 211 buckling ring parts, 2111 buckling grooves, 22 mounting plates I, 23 mounting plates II, 24 pre-installation columns, 3 reinforcing rings and 4 universal wheel assemblies.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a bottom view of the tray.

Detailed Description

The following is a detailed embodiment of the present invention and is described with reference to the accompanying drawings, which are not intended to limit the present invention, and after reading the present specification, those skilled in the art can make modifications to the present embodiment as needed without inventive contribution, but only protected by the patent laws within the scope of the claims of the present invention.

A seat bottom frame comprises a tray 1 and a plurality of seat leg single bodies 2, wherein the tray 1 comprises a regular multi-prism part 11 and a panel part 12, as shown in figures 1 and 2. A plurality of chair foot monomer 2 respectively with just polygonal portion 11 is connected, chair foot monomer 2 contain supporting legs 21 and connect in the mounting panel 22 of supporting legs 21, mounting panel 22 pass through the bolt install in the side of just polygonal portion 11.

In a regular polygon prism, two mutually parallel regular polygon surfaces are the bottom surface of the regular polygon prism, and the other surfaces are the side surfaces of the regular polygon prism, and the side surface of the regular polygon prism part 11 in the scheme is the side surface in the popular meaning.

The utility model discloses structure and appearance difference are great between the spare part of different grade type, make things convenient for production management, can also avoid the vanning to make mistakes.

This scheme still does benefit to and increases product diversity, and during production seat chassis, the firm can be through the structure of adjusting positive polygon post portion 11 to be equipped with the individual 2 of the chair foot that corresponds quantity and the installed part that is used for installing the individual 2 of chair foot, with the different demands to chair foot quantity that satisfy the user. When the seat bottom frame needs to contain N chair foot monomers 2, the regular polygonal column part 11 is adjusted to be of a regular N-prism structure, and then the N chair foot monomers 2 are equipped, and the bolts used for installing the chair foot monomers 2 in corresponding quantity are enough.

Further, the regular multi-prism part 11 is detachably connected to the panel part 12, so that when a user wants to increase the number of the chair foot single bodies 2 of the existing chair to meet the use requirement, the user can buy the required regular multi-prism part 11, a corresponding number of the chair foot single bodies 2 and bolts, replace the existing regular multi-prism part 11 with the bought regular multi-prism part 11, and install the chair foot single bodies 2; or, when the user wants to reduce the number of the single chair leg units 2 of the existing chair, if the number is reduced in the most reasonable manner, the remaining single chair leg units 2 are difficult to be uniformly distributed, and the chair is difficult to be stably placed on the ground, the user only needs to purchase the required regular multi-prism portion 11 to replace the existing regular multi-prism portion 11, and then install the single chair leg units 2. In the meantime, the panel part 12 does not need to be replaced along with the regular polygonal column part 11, which is beneficial to improving the utilization rate of the panel part 12 and avoiding resource waste.

Further, panel portion 12 contains the double-screw bolt, positive polygon portion 11 contains the screw hole, panel portion 12 with positive polygon portion 11 can dismantle the connection through this double-screw bolt and screw hole, and from this, the user can bare-handed screw up in panel portion 12 with positive polygon portion 11 is rotatory, need not to use bolt and screwdriver, convenient operation.

In order to improve the stability of the seat, it is necessary to improve the connection stability of the single seat leg 2 and the regular polygonal column 11, and preferably, the single seat leg 2 further includes a second mounting plate 23 mounted at the bottom of the regular polygonal column 11 by bolts, and the second mounting plate 23 is connected to the bottom surface of the first mounting plate 22.

As described above, both the mounting plate one 22 and the mounting plate two 23 are mounted to the regular polygonal pillar portion 11 by bolts. In order to make the user easily and quickly align the screw holes of the first mounting plate 22 and the second mounting plate 23 with the corresponding screw holes of the regular multi-prism part 11 to facilitate the installation of the bolt, preferably, the top surface of the second mounting plate 23 is connected with a pre-assembling column 24, and the bottom of the regular multi-prism part 11 is provided with a pre-assembling groove 111 as shown in fig. 3 for inserting the pre-assembling column 24. Therefore, in specific operation, the tray 1 is inverted, the pre-assembled columns 24 of the chair leg single bodies 2 are inserted into the pre-assembled grooves 111, the second mounting plate 23 is attached to the regular multi-prism part 11, and threaded holes of the first mounting plate 22 and the second mounting plate 23 can be aligned with corresponding threaded holes of the regular multi-prism part 11.

In order to further improve the stability of the seat, the seat bottom frame further comprises a reinforcing ring 3, the supporting leg 21 comprises a blocky buckling ring part 211, and the buckling ring part 211 comprises a buckling groove 2111 for buckling the reinforcing ring 3. Therefore, the supporting legs 21 are buckled and connected with the reinforcing ring 3, so that the condition that the elongated chair leg single body 2 is easy to expand due to stress when a person sits on the chair is prevented.

Further, preferably, the fastening ring portion 211 is located at a middle portion of the support leg 21 in the longitudinal direction. Therefore, the single chair leg body 2 can be effectively prevented from expanding outwards, and the supporting performance of the middle part, which is easy to bend, of the single chair leg body 2 can be improved.

In order to expand the use performance of the seat and better meet the requirements of users, the bottom of the supporting leg 21 is inserted with the universal wheel component 4. From this, the user can make the seat satisfy the demand that conveniently slides through installation universal wheel assembly 4, or make the seat satisfy the demand of stably placing through demolising universal wheel assembly 4.

The embodiments of the invention described above and shown in the drawings are intended as examples only and do not limit the invention. Those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the present disclosure, and such modifications or substitutions are intended to be included within the scope of the present disclosure. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The purpose of the utility model is completely and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. A seat base frame comprising a tray (1), characterized in that said tray (1) comprises a regular polygonal column (11); still contain a plurality of with chair foot monomer (2) that positive polygon post portion (11) are connected, chair foot monomer (2) contain supporting legs (21) and connect in the mounting panel (22) of supporting legs (21), mounting panel (22) install in the side of positive polygon post portion (11).

2. The seat base according to claim 1, wherein the tray (1) further comprises a panel portion (12), the regular polygonal pillar portion (11) being detachably connected to the panel portion (12).

3. The seat underframe as claimed in claim 1, wherein said single seat leg (2) further comprises a second mounting plate (23) for mounting on the bottom of said regular polygonal column portion (11), said second mounting plate (23) being connected to the bottom surface of said first mounting plate (22).

4. The seat underframe according to claim 3, wherein the top surface of the mounting plate II (23) is connected with a pre-mounting column (24), and the bottom of the regular polygonal column part (11) is provided with a pre-mounting groove (111) for plugging the pre-mounting column (24).

5. The seat underframe of claim 1, further comprising a reinforcing ring (3), wherein the supporting foot (21) comprises a fastening ring portion (211), and wherein the fastening ring portion (211) comprises a fastening groove (2111) for fastening the reinforcing ring (3).

6. The seat underframe according to claim 5, characterized in that the clasp part (211) is located in the middle of the support foot (21) in the length direction.

7. The seat base frame according to claim 1, characterized in that the bottom of the supporting feet (21) is detachably connected with a universal wheel assembly (4).