Assembled chair chassis
By designing and assembling chair chassis, using a combined structure of a disc-shaped base, a rotary connecting shaft and an upper fixed assembly, the problem of difficulty in rotating and fixing the chair chassis in the prior art is solved, and the diversity and stability of functions are achieved sex.
Patent Information
- Application Number
- CN202420197266.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-26
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-01-26
AI Technical Summary
The existing chair chassis is difficult to have both fixed and rotate functions, which limits its versatility.
A assembled chair chassis is designed, including a disc-shaped base assembly, a rotary connecting shaft assembly and an upper fixing assembly, which can be connected by a combined rod and a threaded hole to achieve rotation and fixing function switching of the chair.
The chair chassis can switch rotation and fixing functions as needed, improving the versatility and stability of the chair.
Smart Images
Figure CN222149479U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of chairs, in particular to an assembled chair base frame. Background Art
[0002] A chair is a piece of furniture that is usually used for sitting or leaning. It has a seat and a backrest to support the body, and sometimes armrests. Chairs vary in shape, size, and material, and can be made of wood, metal, plastic, etc. Chairs are widely used in homes, offices, restaurants, theaters, and other places.
[0003] The chair base in the prior art is generally divided into two structures: a fixed structure and a rotating structure. The two structures are suitable for different scenes. In order to improve the versatility of the chair and make it have both fixed and rotating functions, an assembled chair base is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide an assembled chair base frame in order to solve the above problems.
[0005] The technical solution adopted by the utility model is as follows: an assembled chair base frame, comprising:
[0006] The base assembly is a disc-shaped structure, and the base assembly also includes a fixed disk, a connecting boss is integrally provided at the center of the upper surface of the fixed disk, a mounting groove is provided at the center of the connecting boss, a bearing is fixedly installed inside the mounting groove, and a plurality of connecting grooves are equidistantly provided on the upper surface of the fixed disk;
[0007] A connecting shaft assembly is rotatably connected to the inside of the bearing, wherein the connecting shaft assembly is composed of a plurality of combined rods to form a truncated cone-shaped structure;
[0008] The upper fixing component is sleeved on the top of the connecting shaft component. The upper fixing component also includes an upper fixing plate. A restraining groove is provided at the center of the upper fixing plate.
[0009] Through the above technical solution, when the chair needs to have a rotating function, first combine the combination rods to the connecting shaft assembly, and after the assembly is completed, set the upper fixing plate sleeve on the top of the connecting shaft assembly to fix the assembled connecting shaft assembly. After the fixing is completed, insert the bottom of the connecting shaft assembly into the bearing, and finally connect it to the seat through the upper fixing plate, so that the seat has a rotating function. When a fixed chair is needed, each combination rod is inserted into the corresponding connecting groove, and then the top of the assembly rod is connected to the seat, so as to combine into a fixed chair, so that the chair frame has a variety of different functions.
[0010] In a preferred embodiment, the number of the combination rods is two, the four combination rods have the same structure, and the upper ends of the four combination rods are all provided with a first threaded hole.
[0011] Through the above technical solution, the combination rod is fixed to the seat through the first threaded hole.
[0012] In a preferred embodiment, second threaded holes are formed at four corners of the upper fixing plate.
[0013] Through the above technical solution, the upper fixing plate is connected to the seat through the second threaded hole.
[0014] In a preferred embodiment, a non-slip pad is provided at the bottom of the base assembly.
[0015] By means of the above technical solution, the stability of the chair base frame is improved.
[0016] In a preferred embodiment, the upper end radius of the connecting shaft assembly is the same as the radius of the constraint groove, the lower end radius of the connecting shaft assembly is the same as the radius of the installation groove, and the lower end area of the combination rod is the same as the area of the connecting groove.
[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are as follows: the utility model provides an assembled chair base frame.
[0018] 1. When the chair needs to have a rotating function, first combine the combined rods with the connecting shaft assembly. After the assembly is completed, set the upper fixing plate sleeve on the top of the connecting shaft assembly to fix the assembled connecting shaft assembly. After the fixing is completed, insert the bottom of the connecting shaft assembly into the bearing, and finally connect it to the seat through the upper fixing plate, so that the seat has a rotating function.
[0019] 2. When a fixed chair is needed, each assembly rod is inserted into the corresponding connection groove, and then the top of the assembly rod is connected to the seat to form a fixed chair, so that the chair frame has a variety of different functions. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the internal structure of the utility model;
[0021] Figure 2 It is a structural schematic diagram of the base assembly in the utility model;
[0022] Figure 3 This is a schematic diagram of the structure of the connecting shaft assembly in the utility model;
[0023] Figure 4 It is a structural schematic diagram of the upper fixing component in the utility model.
[0024] Markings in the figure: 1-base assembly; 11-fixing plate; 12-connecting boss; 13-installing groove; 14-bearing; 15-connecting groove; 2-connecting shaft assembly; 21-combination rod; 22-first threaded hole; 3-upper fixing assembly; 31-upper fixing plate; 32-constraint groove; 33-second threaded hole. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] The following will be combined Figure 1-4 An assembled chair underframe according to an embodiment of the utility model is described in detail.
[0027] Example:
[0028] An assembled chair chassis, comprising:
[0029] The base assembly 1 is a disc-shaped structure, and a non-slip pad is provided at the bottom of the base assembly 1 to improve the stability of the chair chassis;
[0030] The base assembly 1 also includes a fixed plate 11, a connecting boss 12 is integrally provided at the center of the upper surface of the fixed plate 11, a mounting groove 13 is provided at the center of the connecting boss 12, a bearing 14 is fixedly installed inside the mounting groove 13, a connecting shaft assembly 2 is rotatably connected to the inside of the bearing 14, and the connecting shaft assembly 2 is composed of a plurality of combined rods 21 to form a truncated cone-shaped structure; an upper fixed assembly 3, a sleeve of which is arranged on the top of the connecting shaft assembly 2, and the upper fixed assembly 3 also includes an upper fixing plate 31, a restraining groove 32 is provided at the center of the upper fixing plate 31, and second threaded holes 33 are provided at the four corners of the upper fixing plate 31. When the chair is required to have a rotating function, the combined rod 21 is first combined with the connecting shaft assembly 2, and after the combination is completed, the upper fixing plate 31 is sleeved on the top of the connecting shaft assembly 2, so as to fix the combined connecting shaft assembly 2, and after the fixing is completed, the bottom of the connecting shaft assembly 2 is inserted into the inside of the bearing 14, and finally connected to the seat through the upper fixing plate 31, so that the seat has a rotating function.
[0031] A plurality of connecting grooves 15 are equidistantly arranged on the upper surface of the fixed plate 11, and there are two combination rods 21. The four combination rods 21 have the same structure and a first threaded hole 22 is provided at the upper end thereof. The radius of the upper end of the connecting shaft assembly 2 is the same as the radius of the constraint groove 32, the radius of the lower end of the connecting shaft assembly 2 is the same as the radius of the installation groove 13, and the area of the lower end of the combination rod 21 is the same as the area of the connecting groove 15. When a fixed chair is needed, each combination rod 21 is inserted into the corresponding connecting groove 15, and then the top of the assembly rod 21 is connected to the seat, thereby combining into a fixed chair, so that the chair chassis has a variety of different functions.
[0032] Working principle:
[0033] When the chair needs to have a rotating function, first combine the combination rod 21 with the connecting shaft assembly 2. After the combination is completed, the upper fixing plate 31 is set on the top of the connecting shaft assembly 2 to fix the combined connecting shaft assembly 2. After the fixing is completed, the bottom of the connecting shaft assembly 2 is inserted into the bearing 14, and finally connected to the seat through the upper fixing plate 31, so that the seat has a rotating function. When a fixed chair is needed, each combination rod 21 is inserted into the corresponding connecting groove 15, and then the top of the assembly rod 21 is connected to the seat, so as to be combined into a fixed chair, so that the chair frame has a variety of different functions.
[0034] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. An assembled chair chassis, characterized in that: include: A base assembly (1) is a disc-shaped structure, and the base assembly (1) further comprises a fixed disk (11), a connecting boss (12) is integrally arranged at the center of the upper surface of the fixed disk (11), a mounting groove (13) is provided at the center of the connecting boss (12), a bearing (14) is fixedly installed inside the mounting groove (13), and a plurality of connecting grooves (15) are equidistantly arranged on the upper surface of the fixed disk (11); A connecting shaft assembly (2) is rotatably connected to the inside of the bearing (14), wherein the connecting shaft assembly (2) is composed of a plurality of combined rods (21) to form a truncated cone-shaped structure; The upper fixing component (3) is sleeved on the top of the connecting shaft component (2). The upper fixing component (3) also includes an upper fixing plate (31). A restraining groove (32) is provided at the center of the upper fixing plate (31).
2. An assembled chair chassis as claimed in claim 1, characterized in that: The number of the combined rods (21) is two, the four combined rods (21) have the same structure, and the upper ends of the four combined rods (21) are all provided with a first threaded hole (22).
3. An assembled chair chassis as claimed in claim 1, characterized in that: Second threaded holes (33) are formed at four corners of the upper fixing plate (31).
4. An assembled chair chassis as claimed in claim 1, characterized in that: An anti-slip pad is provided at the bottom of the base assembly (1).
5. The assembled chair chassis according to claim 1, characterized in that: The radius of the upper end of the connecting shaft assembly (2) is the same as the radius of the constraint groove (32), the radius of the lower end of the connecting shaft assembly (2) is the same as the radius of the installation groove (13), and the area of the lower end of the combination rod (21) is the same as the area of the connecting groove (15).