CN214595120U

CN214595120U - Anti-loosening seat chassis

Info

Publication number: CN214595120U
Application number: CN202120597713.6U
Authority: CN
Inventors: 骆洋
Original assignee: Zhejiang Chaoyang Intelligent Furniture Co ltd
Current assignee: Zhejiang Chaoyang Intelligent Furniture Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-11-05
Anticipated expiration: 2031-03-24

Abstract

The utility model relates to a seat chassis technical field especially relates to a locking seat chassis that takes off. The armrest is arranged at the bottom of the seat, armrests are arranged on two sides of the seat respectively and comprise connecting parts, each connecting part comprises a first connecting piece connected with the corresponding armrest and a second connecting piece connected with the bottom of the seat, and the first connecting pieces are hinged to the second connecting pieces. The utility model discloses a design adapting unit links together handrail and seat chassis, improves the stability that handrail and seat chassis and seat bottom plate are connected. Meanwhile, the first connecting piece and the second connecting piece are hinged to each other through design, so that the angle between the first connecting piece and the second connecting piece is adjustable, the seat is suitable for seats of different shapes and sizes, and the applicability is improved.

Description

Anti-loosening seat chassis

Technical Field

The utility model relates to a seat chassis technical field especially relates to a locking seat chassis that takes off.

Background

The existing office chair has more and more complex chair structure and more diversified chair shapes due to continuous perfect functions. In order to facilitate batch production and reduce the processing difficulty, most seats are divided into modules such as a cushion, armrests, a backrest and a chassis for processing, and finally the modules are spliced into a complete seat. And in the in-service use process of seat, because frequently lean on, adjust operations such as back and cushion inclination easily cause each part junction to appear wearing and tearing, and then lead to rocking, pine take off, influence seat life. Wherein, because back and handrail adopt injection moulding more, the material hardness is lower, and other parts are the wearing and tearing deformation more easily.

In order to solve the above problems, patent application No. CN201820232761.3 provides such anti-aging anti-loosening office chair, which comprises a vertically arranged supporting column, a rotating seat is fixed at the upper end of the supporting column, a horizontally arranged seat plate is installed at the top of the rotating seat through a rotating shaft, a fixed block is fixed at one side of the seat plate, a backrest is installed at the top of the fixed block, a first bearing is sleeved at the middle part of the outer wall of the supporting column, a plurality of supporting blocks are arranged at equal intervals in the circumferential direction of the outer wall of the first bearing, a supporting rod is fixed at the top of the supporting block, the other end of the supporting rod is fixed at the bottom of the seat plate, two rectangular mounting grooves which are parallel to each other are arranged at two sides of the top of the seat plate, the rectangular mounting grooves are positioned at two sides of the backrest, a rotating shaft is movably mounted on the inner wall of the rectangular mounting grooves, and one end of the rotating shaft, which is far away from the backrest, extends to the outside of the seat plate and is fixed with a handle, all be equipped with the external screw thread on the both sides outer wall of axis of rotation, and two external screw thread opposite direction, the equal screw thread in both ends of axis of rotation has cup jointed the slip cap, and the side of slip cap articulates there is the turning block, and the side of turning block articulates there is the connecting rod, and the one end that two connecting rods are close to each other articulates respectively has the both ends of bar. The support rod can only provide support for the seat plate, and cannot provide support for the armrests and the backrest.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above problem and provide a locking pine of taking off seat chassis that can solve the easy wearing and tearing pine problem of erection joint in the seat use.

The utility model provides a technical scheme of the problem of the utility model is, provide a locking seat chassis that takes off, set up in the bottom of seat, the both sides of seat are equipped with the handrail respectively, including adapting unit, adapting unit include with the first connecting piece that the handrail is connected, and with the second connecting piece that the bottom of seat is connected, first connecting piece with the second connecting piece is articulated each other.

In order to increase the stability that handrail and first connecting piece are connected, as the utility model discloses preferably, the handrail include with the clamp portion that the bottom of seat is connected, clamp portion is equipped with the mount pad, the mount pad include with the lower sideboard of the bottom butt of seat, and with the relative roof boarding of roof boarding, the roof boarding reaches form the interface between the roof boarding, first connecting piece include with the grafting portion that the interface is connected.

As the utility model discloses preferably, the clamp portion be the arc, increase clamp portion with the area of contact of the bottom of seat is more firm during the use.

As the utility model discloses preferably, grafting portion including can insert the lower connecting block of interface, and with the last connecting block that the top board is connected, lower connecting block with form the bayonet socket between the last connecting block, the top board is arranged in the bayonet socket. The installation seat is meshed with the inserting part of the first connecting piece, so that the strength of the installation seat is improved, and larger stress can be borne.

In order to avoid connecting the pine and taking off, as the utility model discloses preferably, the mount pad with first connecting piece passes through the double-screw bolt and connects, the double-screw bolt passes in proper order go up behind connecting block, the sideboard, lower connecting block, the sideboard down with the bottom of seat is connected.

In order to prevent that threaded connection from taking off, as the utility model discloses preferably, the mount pad with first connecting piece junction is equipped with bolt locking device.

Preferably, the screw thread locking device is detachable.

Because the seat molding is various, and the size differs, so the installation interval on handrail and seat chassis is also different, as the utility model discloses preferentially, first connecting piece still includes rotation portion, rotation portion is including the first step face and the second step face that are parallel to each other, the second step face is relative first step face is kept away from the bottom of seat, the second connecting piece with the articulated one end of first connecting piece with second step face butt makes second connecting piece surface with first step face is in the coplanar, avoids rotating the department's atress and buckles. Meanwhile, the included angle between the first connecting piece and the second connecting piece can be adjusted by rotating the first connecting piece and the second connecting piece, so that the armrest and the seat chassis can be mounted at different positions.

Preferably, the seat further comprises a bottom plate disposed at the bottom of the seat, and the second connecting member is disposed at the bottom plate.

In order to balance the forces on the seat, it is preferred as in the invention that the connecting members are provided with an even number of groups, symmetrically distributed about the seat pan axis.

The beneficial effects of the utility model

1. The connecting parts are designed to connect the armrests and the seat chassis together, so that the connecting stability of the armrests and the seat chassis with the seat bottom plate is improved.

2. The first connecting piece and the second connecting piece are hinged to each other through design, so that the angle between the first connecting piece and the second connecting piece is adjustable, the seat is suitable for seats of different shapes and sizes, and the applicability is improved.

3. Through the design of the mounting seat and the insertion part of the first connecting piece, the mounting seat is meshed with the insertion part of the first connecting piece, so that the connection strength is improved, and the structural stability is improved.

Drawings

FIG. 1 is a schematic view of a release-proof seat chassis and a seat using the same;

FIG. 2 is a schematic view of a release resistant seat pan configuration;

FIG. 3 is a schematic view showing a connection structure between the handle and the connection member;

FIG. 4 is a schematic view of a mount configuration;

fig. 5 is a schematic view of the first connector structure.

In the figure: 1. a handrail; 11. a clamp portion; 12. a mounting seat; 121. a lower edge plate; 122. an upper edge plate; 123. an interface; 2. a connecting member; 21. a first connecting member; 211. a plug-in part; 2111. a lower connecting block; 2112. an upper connecting block; 2113. a bayonet; 212. a rotating part; 2121. a first step surface; 2122. a second step surface; 22. a second connecting member; 3. a stud; 4. a bolt anti-loosening device; 5. a chassis plate.

Detailed Description

The following are embodiments of the present invention and the accompanying drawings are used to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

A loose-proof seat chassis is arranged at the bottom of a seat, armrests 1 are respectively arranged at two sides of the seat, as shown in figures 1-3, the loose-proof seat chassis comprises a connecting part 2, the connecting part 2 comprises a first connecting piece 21 connected with the armrests 1 and a second connecting piece 22 connected with the bottom of the seat, and the first connecting piece 21 and the second connecting piece 22 are hinged with each other; as shown in fig. 3 and 4, the armrest 1 includes a hoop portion 11 abutting against the bottom of the seat, the hoop portion 11 is provided with an installation seat 12, the installation seat 12 includes a lower edge plate 121 abutting against the bottom of the seat, and an upper edge plate 122 opposite to the lower edge plate 121, a socket 123 is formed between the upper edge plate 122 and the lower edge plate 121, and the first connecting member 21 includes a plug portion 211 connected to the socket 123; the clamp part 11 is arc-shaped; the inserting portion 211 comprises a lower connecting block 2111 capable of being inserted into the inserting port 123 and an upper connecting block 2112 connected with the upper edge plate 122, a bayonet 2113 is formed between the lower connecting block 2111 and the upper connecting block 2112, and the upper edge plate 122 is placed in the bayonet 2113; the mounting seat 12 is connected with the first connecting piece 21 through a stud 3, and the stud 3 sequentially penetrates through the upper connecting block 2112, the upper edge plate 122, the lower connecting block 2111 and the lower edge plate 121 and then is connected with the bottom of the seat. The joint of the mounting seat 12 and the first connecting piece 21 is provided with a bolt anti-loosening device 4, and the thread anti-loosening device 4 is detachable.

In the embodiment, the seat comprises a cushion, wherein the cushion is made of square wood boards, and the surface of the cushion is coated with sponge so as to improve the use comfort of the seat; the bottom surface of the seat cushion is provided with a threaded connecting hole for connecting the armrest 1 and the seat chassis. Wherein, the handrail 1 is made of plastic and is formed by one-time injection molding so as to reduce the mass of the handrail 1 and facilitate transportation; the connecting part 2 is made of metal to increase the strength and wear resistance of the connecting part 2, so that the connection is more stable. The seat chassis also comprises an operating handle for adjusting the lifting of the seat and an elastic mechanism for adjusting the inclination angle of the seat bottom plate;

in this embodiment, the handrail 2 is the L type, include with the bottom vertically handrail portion of seat, and with the clamp portion 11 of the bottom butt of seat, the bottom both sides of seat are connected with the clamp portion 11 of two handrails 2 respectively, the mount pad 12 is located clamp portion 11 side, with the bottom butt of seat. The upper side plate 122 and the lower side plate 121 of the mounting base 12 are connected in parallel to each other and are U-shaped to form a socket 123, and the socket 211 of the first connecting member 21 can be inserted into the socket 123, so that the mounting base 12 and the socket 211 are engaged with each other, and the connection stability is improved.

In this embodiment, the mounting seat 12 and the inserting portion 211 are both provided with threaded holes, and the stud 3 passes through the mounting seat 12 and the inserting portion 211 to be connected with the bottom of the seat, so that the screwing length of the threads when the stud 3 is connected is increased, and the threaded connection is more tight. Meanwhile, the first connecting piece 21 is made of metal and is more wear-resistant, so that the threaded hole can be prevented from being worn and deformed and the stud can be prevented from loosening.

In this embodiment, screw thread locking device adopts two nuts locking to keep away from, and it includes two nuts that revolve to the same, two the nut cover is established the double-screw bolt with go up the connecting block and connect one end, and mutual butt, through the frictional force effect between each other realization locking.

In this embodiment, the screw locking device may further adopt a spring washer, a self-locking nut, a split pin, or other detachable locking devices.

As shown in fig. 4, the first connecting element 21 further includes a rotating portion 212, the rotating portion 212 includes a first step surface 2121 and a second step surface 2122 which are parallel to each other, the second step surface 2122 is away from the bottom of the seat relative to the first step surface 2121, and the hinged end of the second connecting element 22 and the first connecting element 21 is abutted to the second step surface 2122; the seat pan further comprises a pan plate 5 arranged at the bottom of the seat, the second connection member 22 being arranged at the pan plate 5. Wherein said connecting members 2 are provided in an even number of groups, symmetrically distributed about the axis of said seat.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a locking seat chassis that takes off sets up in the bottom of seat, the both sides of seat are equipped with handrail (1) respectively, its characterized in that: the chair comprises a connecting part (2), wherein the connecting part (2) comprises a first connecting piece (21) connected with the armrest (1) and a second connecting piece (22) connected with the bottom of the chair, and the first connecting piece (21) is hinged to the second connecting piece (22).

2. A release resistant seat pan as claimed in claim 1, wherein: handrail (1) including with the clamp portion (11) of the bottom butt of seat, clamp portion (11) are equipped with mount pad (12), mount pad (12) including with lower sideboard (121) of the bottom butt of seat, and with upper sideboard (122) that lower sideboard (121) is relative, upper sideboard (122) reach form interface (123) between lower sideboard (121), first connecting piece (21) including with grafting portion (211) that interface (123) are connected.

3. A release resistant seat pan as claimed in claim 2, wherein: the clamp part (11) is arc-shaped.

4. A release resistant seat pan as claimed in claim 2, wherein: the inserting portion (211) comprises a lower connecting block (2111) capable of being inserted into the inserting port (123) and an upper connecting block (2112) connected with the upper edge plate (122), a bayonet (2113) is formed between the lower connecting block (2111) and the upper connecting block (2112), and the upper edge plate (122) is arranged in the bayonet (2113).

5. A release resistant seat pan of claim 4, wherein: the mounting seat (12) is connected with the first connecting piece (21) through a stud (3), and the stud (3) sequentially penetrates through the upper connecting block (2112), the upper edge plate (122), the lower connecting block (2111) and the lower edge plate (121) and then is connected with the bottom of the seat.

6. A release resistant seat pan of claim 5, wherein: and a bolt anti-loosening device (4) is arranged at the joint of the mounting seat (12) and the first connecting piece (21).

7. A release resistant seat pan as claimed in claim 6, wherein: the bolt anti-loosening device (4) is detachable.

8. A release resistant seat pan of claim 5, wherein: the first connecting piece (21) further comprises a rotating part (212), the rotating part (212) comprises a first step surface (2121) and a second step surface (2122) which are parallel to each other, the second step surface (2122) is far away from the bottom of the seat relative to the first step surface (2121), and one hinged end of the second connecting piece (22) and the first connecting piece (21) is abutted to the second step surface (2122).

9. A release resistant seat pan as claimed in claim 1, wherein: the seat further comprises a chassis plate (5) arranged at the bottom of the seat, and the second connecting piece (22) is arranged on the chassis plate (5).

10. A release resistant seat pan as claimed in claim 1, wherein: the connecting members (2) are provided in an even number of groups, symmetrically distributed about the axis of the seat.