Seat support convenient to disassemble and assemble

Abstract

The utility model discloses a seat support convenient to disassemble and assemble, which comprises a fixed sleeve, a rotating component and a plurality of connecting supports which are detachably arranged on the fixed sleeve in a surrounding manner, and each connecting support comprises a side surface positioning plate which is detachably arranged on the outer wall of the fixed sleeve; the end positioning plate is arranged at one end of the side positioning plate, the first end of the connecting plate is arranged on the side positioning plate, and the second end of the connecting plate extends outwards and is used for mounting chair legs; according to the utility model, the plurality of connecting brackets detachably connected with the fixing sleeve are arranged to fix the plurality of chair legs respectively, when a certain chair leg is damaged, only a single chair leg needs to be replaced, the connecting brackets and the fixing sleeve are positioned through the detachable side surface positioning plates and the end part positioning plates, and the chair legs are mounted through the connecting plates, so that the chair legs are more convenient to use. All parts of the seat bracket and the seat legs can be accurately positioned and quickly mounted and dismounted, and each part can be independently packaged, so that the production cost is reduced while the transportation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of seat furniture, and particularly relates to a seat bracket which is convenient for disassembly and assembly. Background Art

[0002] Between the seat and the chair legs of a traditional chair, they are connected in a fixed manner, and each part cannot be installed and disassembled as needed, resulting in an overly large overall size, which is not convenient for packaging and transportation. During use, if one chair leg is damaged, the entire chair will be scrapped. In the prior art, there are also chairs that are divided into chair legs and a seat board and then docked, but the chair leg assembly of such chairs is usually a whole and cannot be disassembled. Even if it is divided into two parts, the overall size of each part is still too large, with a high production cost, not convenient for packaging and transportation, and there is also the problem that if one chair leg is damaged, the entire chair leg assembly needs to be replaced. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a seat bracket which is convenient for disassembly and assembly to solve the problems raised in the above background art. To achieve the above purpose, the following technical solutions are adopted in the utility model:

[0004] The seat bracket which is convenient for disassembly and assembly includes a fixed sleeve and a rotating assembly, at least part of the rotating assembly is arranged in the fixed sleeve, and further includes: a plurality of connecting brackets which are arranged around and detachably on the outer wall of the fixed sleeve, and the connecting bracket includes:

[0005] A side positioning plate, which is detachably arranged on the outer wall of the fixed sleeve;

[0006] An end positioning plate, which is arranged at one end of the side positioning plate and is detachably connected to one end of the fixed sleeve;

[0007] A connecting plate, its first end is arranged on the side positioning plate, and its second end extends outwards for installing chair legs.

[0008] Optionally, a positioning groove is arranged at one end of the fixed sleeve, and the end positioning plate is snap-fitted with the positioning groove.

[0009] Optionally, an end limiting groove is formed between the side positioning plate and the end positioning plate, and the end limiting groove is matched with and snap-fitted to the end of the side wall of the fixed sleeve.

[0010] Optionally, an end cover is arranged at one end of the fixed sleeve close to the limiting groove, and a counterbore is formed between the end cover and the fixed sleeve.

[0011] Optionally, end positioning screw holes are provided on the end cover, end positioning holes are provided on the end connecting plate, and the end positioning screw holes and the end positioning holes are connected by end positioning bolts.

[0012] Optionally, side positioning screw holes are provided on the side wall of the fixing sleeve, positioning features are provided on the side positioning plate, and the side positioning screw holes and the positioning features are connected by side positioning bolts.

[0013] Optionally, there are two positioning features, which are respectively arranged on both sides of the side positioning plate. The positioning features on two adjacent side positioning plates are matched and fixed to the fixing sleeve by a side positioning bolt.

[0014] Optionally, a counterbore is provided on the side of the side positioning plate close to the fixing sleeve and opens outward. The counterbore penetrates the first end of the connecting plate, and a chair leg positioning bolt is arranged in the counterbore.

[0015] Optionally, the rotating assembly includes a rotating shaft and an inner sleeve. One end of the rotating shaft is rotatably arranged in the inner sleeve, and the inner sleeve is arranged in the fixing sleeve.

[0016] Optionally, a conical cavity is arranged inside the fixing sleeve, and the inner sleeve is sleeved with the conical cavity.

[0017] The beneficial effects compared with the prior art are as follows. With the above scheme, in the present utility model, by providing a plurality of connecting brackets detachably connected to the fixing sleeve to respectively fix a plurality of chair legs, when a certain chair leg is damaged, only the single damaged chair leg needs to be replaced, avoiding the problem that the whole chair is scrapped due to the damage of one chair leg. Moreover, the connecting brackets are respectively positioned with the fixing sleeve through detachable side positioning plates and end positioning plates, and the chair legs are installed through the connecting plates, enabling accurate positioning, quick installation and disassembly among various parts of the seat bracket and the chair legs;

[0018] Through the cooperation between the limiting groove, the positioning groove and the side positioning plate, and by providing end positioning screw holes on the end cover and side positioning screw holes on the fixing sleeve to respectively fix the top and bottom ends of the connecting bracket, the connecting bracket is limited in the axial and radial directions of the fixing sleeve, improving its overall structural strength;

[0019] By respectively arranging positioning features on both sides of the side positioning plate, the number of holes drilled on the fixing seat can be reduced, its structural strength can be improved, and the installation and disassembly of a plurality of connecting brackets are facilitated;

[0020] Through the design that the positioning groove holes are communicated with the counterbore, not only the movement interference between the chair leg positioning bolt and the rotating assembly can be avoided, but also chair leg positioning bolts and chair legs of different models can be applied;

[0021] By setting a conical cavity inside the fixed sleeve, the rotating assembly can be quickly installed and disassembled; each component of the seat bracket can be quickly installed, disassembled and individually packaged, which is convenient for transportation and reduces production costs at the same time. Brief Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the overall external structure of the present utility model;

[0023] Figure 2 It is a schematic diagram of the overall exploded structure of the present utility model;

[0024] Figure 3 It is a schematic diagram of the overall structure of the connecting bracket of the present utility model;

[0025] Figure 4 It is a schematic diagram of the overall bottom structure of the present utility model;

[0026] Figure 5 It is a schematic diagram of the structure of the fixed sleeve of the present utility model;

[0027] Figure 6 It is a schematic diagram of the outer side structure of the connecting bracket of the present utility model;

[0028] As shown in the above drawings: 1. Fixed sleeve; 2. Rotating assembly; 3. Connecting bracket; 4. Side positioning bolt; 5. End cover; 31. Side positioning plate; 32. End positioning plate; 33. Connecting plate; 11. Positioning groove; 321. Clamping part; 34. End limiting groove; 51. End positioning screw hole; 331. End positioning hole; 12. Side positioning screw hole; 311. Positioning feature; 312. Counterbore; 331. Positioning slot hole; 332. Installation slot hole; 21. Rotating shaft; 22. Inner sleeve. Detailed Description of the Invention

[0029] To facilitate the understanding of the present application, the following will describe the present application in more detail with reference to the drawings and specific embodiments; the drawings show the preferred embodiments of the present application; however, the present application can be implemented in many different forms and is not limited to the embodiments described in this specification; on the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure content of the present application more thorough and comprehensive.

[0030] It should be noted that, unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "linked" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components; for those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations; the terms "vertical", "horizontal", "left", "right", "front", "back" and similar expressions used in this specification are only for the purpose of illustration.

[0031] At the same time, it should be noted that the terms "first", "second", etc. in the description, claims and the above drawings of this application are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence; it should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of this application described here can be implemented in an order other than those illustrated or described here.

[0032] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the technical field to which this application belongs. The terms used in the description of this application are only for the purpose of describing specific embodiments and are not used to limit this application.

[0033] As Figures 1-3 shown, an embodiment of the present utility model is: the seat bracket that is convenient for disassembly and installation includes a fixed sleeve 1 and a rotating assembly 2. The fixed sleeve 1 is arranged vertically. The bottom end of the rotating assembly 2 is arranged inside the fixed sleeve 1, and its top end is located outside the fixed sleeve 1 and is used to dock with the seat board of the chair. The seat bracket further includes connecting brackets 3. There are multiple connecting brackets 3, and the multiple connecting brackets 3 are arranged around the outer wall of the fixed sleeve 1 at equal intervals and are respectively detachably connected to the fixed sleeve 1. It can be understood that the number of connecting brackets 3 can be set according to needs, and can be three, four, five or more, as long as the balance of the chair can be ensured. Each connecting bracket 3 includes: a side positioning plate 31, an end positioning plate 32 and a connecting plate 33. The side positioning plate 31 is detachably arranged on the outer wall of the fixed sleeve 1; the end positioning plate 32 is horizontally arranged at the bottom end of the side positioning plate 31 and extends towards the inside of the fixed sleeve 1 and is detachably connected to the bottom end of the fixed sleeve 1; the first end of the connecting plate 33 is arranged on the outer wall of the side positioning plate 31, and its second end extends downward and outward for installing chair legs. The number of chair legs is the same as the number of connecting plates 33.

[0034] In this application, by providing a plurality of connecting brackets 3 detachably connected to the fixed sleeve 1 to respectively fix a plurality of chair legs, when a certain chair leg is damaged, only the single damaged chair leg needs to be replaced, avoiding the problem that the whole chair is scrapped due to the damage of one chair leg. Moreover, the connecting brackets 3 are respectively positioned with the fixed sleeve 1 through the detachable side positioning plate 31 and end positioning plate 32, and the chair legs are installed through the connecting plate 33, enabling accurate positioning, quick installation and disassembly among the various parts of the seat bracket and the chair legs. Each component can be individually packaged, which is convenient for transportation and reduces the production cost at the same time.

[0035] In one embodiment, as Figure 2 、 5 shown, a positioning groove 11 is provided at the bottom end of the fixed sleeve 1, and the end positioning plate 32 is snap-fitted with the positioning groove 11.

[0036] It can be understood that a plurality of positioning grooves 11 are equally spaced and provided on the circumferential side of the bottom end of the fixed sleeve 1, the number of the positioning grooves 11 is the same as the number of the connecting brackets 3. A clamping portion 321 is provided at one end of the end positioning plate 32 close to the side positioning plate 31. The clamping portion 321 matches and is snap-fitted with the positioning groove 11, and is used for positioning the bottom of the side positioning plate 31 during installation, thereby positioning the middle part of the whole connecting bracket 3, and is also used for limiting the connecting bracket 3 in the axial direction of the fixed sleeve 1. Moreover, the thickness of the clamping portion 321 is not greater than the depth of the positioning groove 11, which can keep the bottom end of the fixed sleeve 1 flat.

[0037] In one embodiment, as Figures 3-4 shown, an end limiting groove 34 is formed between the side positioning plate 31 and the end positioning plate 32, and the end limiting groove 34 matches and is snap-fitted with the end of the side wall of the fixed sleeve 1.

[0038] Specifically, a fixing portion 322 is provided at one end of the end positioning plate 32 far from the side positioning plate 31. An end limiting groove 34 is formed between the fixing portion 322 and the end positioning plate 32. The width of the end limiting groove 34 is the same as the thickness of the side wall of the fixed sleeve 1, and the shape of the end limiting groove 34 is the same as the shape of the side wall of the fixed sleeve 1. In this embodiment, the fixed sleeve 1 is integrally cylindrical, and the end limiting groove 34 is an arc groove and is consistent with the radian of the side wall at the bottom end of the fixed sleeve 1 and is snap-fitted. The end limiting groove 34 is used for limiting the connecting bracket 3 in the radial direction of the fixed sleeve 1.

[0039] In one embodiment, as Figure 2 、 5As shown, a end cap 5 is provided at the bottom end of the fixed sleeve 1. After the rotating assembly 2 is inserted into the fixed sleeve 1, the end cap 5 and the fixed sleeve 1 are welded. The end cap 5 is used to limit the bottom end of the rotating assembly 2. A counterbore is formed between the end cap 5 and the fixed sleeve 1, and the counterbore is used to accommodate and fix the fixing portion 322 of the end positioning plate 32. When the positioning plate is installed in place, the end positioning plate 32 is not visible when observed from all around, maintaining the overall consistency of the bottom end of the fixed sleeve 1.

[0040] In one embodiment, as Figure 5 shown, an end positioning screw hole 51 is formed in the end cap 5, and an end positioning hole 331 is formed in the end connecting plate 33. The end positioning screw hole 51 and the end positioning hole 331 are connected by an end positioning bolt.

[0041] In this embodiment, a plurality of end positioning screw holes 51 are provided. An end positioning hole 331 is formed in the fixing portion of each end connecting plate 33. The number of end positioning screw holes 51 is the same as the number of connecting brackets 3, and they correspond one by one and are connected by end positioning bolts.

[0042] In one embodiment, as Figures 5-6 shown, a side positioning screw hole 12 is provided on the outer side wall of the fixed sleeve 1. A positioning feature 311 is formed through the upper part of the side positioning plate 31. The side positioning screw hole 12 and the positioning feature 311 are connected by a side positioning bolt 4, which is used to fix the upper end of the side positioning plate 31. Cooperating with the end positioning plate 32, the upper and lower ends of the side positioning plate 31 are positioned.

[0043] In one embodiment, as Figure 6 shown, there are two positioning features 311, which are respectively arranged on both sides of the side positioning plate 31. The positioning features 311 on two adjacent side positioning plates 31 are matched and are connected to the fixed sleeve 1 by a side positioning bolt 4.

[0044] In this embodiment, positioning features 311 are respectively arranged on the left and right sides of the side positioning plate 31 and are in the shape of semi-holes. The positioning features 311 on two adjacent side positioning plates 31 form a round hole shape and are connected to the fixed sleeve 1 by a side positioning bolt 4. In this way, the number of holes drilled on the fixed seat can be reduced, its structural strength can be improved, and the installation and disassembly of multiple connecting brackets 3 are facilitated.

[0045] In one embodiment, as Figure 3 shown, a counterbore 312 is formed on the side of the side positioning plate 31 close to the fixed sleeve 1 and opens outward. The counterbore 312 penetrates the first end of the connecting plate 33, and a chair leg positioning bolt is arranged in the counterbore 312.

[0046] Specifically, a counterbore 312 is formed through the inner side surface of the side positioning plate 31 and penetrates through the upper end of the connecting plate 33. A chair leg positioning bolt is arranged in the counterbore 312. A chair leg positioning hole is formed at the corresponding inner end of the chair leg for the counterbore 312. The head of the chair leg positioning bolt is completely buried in the counterbore 312, without affecting the operation of the rotating assembly 2 inside the fixing sleeve 1. The counterbore 312 and the chair leg positioning bolt are used for quick positioning during the installation of the chair leg and limit the inner end of the chair leg.

[0047] In one embodiment, as Figure 3 、 6 shown, a positioning slot hole 331 is formed on the outer side surface of the connecting plate 33. The positioning slot hole 331 communicates with the counterbore 312, which can accommodate chair leg positioning bolts of different models and is applicable to chair legs of different models.

[0048] In one embodiment, at least one mounting slot hole 332 is arranged at the outer end of the connecting plate 33 for mounting the chair leg. In this embodiment, the chair leg is mounted on the upper part of the connecting plate 33.

[0049] In one embodiment, as Figure 2 shown, the rotating assembly 2 includes a rotating shaft 21 and an inner sleeve 22. The bottom end of the rotating shaft 21 is rotatably arranged in the inner sleeve 22. The inner sleeve 22 is arranged in the fixing sleeve 1. The rotating shaft 21 is connected to the seat plate, enabling the seat plate and the rotating shaft 21 to be quickly docked and rotated.

[0050] In one embodiment, a conical cavity is arranged inside the fixing sleeve 1. The diameter of the lower part of the conical cavity is larger than that of the upper part. The inner sleeve 22 is sleeved with the conical cavity to limit the top end of the inner sleeve 22, enabling the quick installation and disassembly of the inner sleeve 22.

[0051] In one embodiment, the contour of the inner side wall of the side positioning plate 31 matches that of the outer side wall of the fixing sleeve 1.

[0052] It can be understood that when the radial cross-section outside the fixing sleeve 1 is circular, the inner wall cross-section of the side positioning plate 31 is arc-shaped. When the radial cross-section outside the fixing sleeve 1 is quadrilateral or polygonal, the inner wall of the side positioning plate 31 is planar and matches the outer wall of the quadrilateral or polygonal fixing sleeve 1, which can increase the connection area and improve the overall structural strength.

[0053] In this application, by providing a plurality of connection brackets 3 detachably connected to the fixing sleeve 1 to respectively fix a plurality of chair legs, when a certain chair leg is damaged, only the single damaged chair leg needs to be replaced, avoiding the problem that the entire chair is scrapped due to the damage of one chair leg. Moreover, the connection brackets 3 are respectively positioned with the fixing sleeve 1 through the detachable side positioning plates 31 and end positioning plates 32, and the chair legs are installed through the connecting plates 33, enabling accurate positioning, quick installation and disassembly among various parts of the seat bracket and the chair legs;

[0054] Through the cooperation among the limiting groove, the positioning groove 11 and the side positioning plate 31, and by providing an end positioning screw hole 51 on the end cover 5 and a side positioning screw hole 12 on the fixing sleeve 1, the top and bottom ends of the connecting bracket 3 are fixed respectively, and the connecting bracket 3 is limited in the axial and radial directions of the fixing sleeve 1, so as to improve the overall structural strength thereof.

[0055] By providing positioning features 311 on both sides of the side positioning plate 31 respectively, the number of holes drilled on the fixing seat can be reduced, the structural strength thereof can be improved, and the installation and disassembly of multiple connecting brackets 3 are facilitated.

[0056] Through the design that the positioning slot hole 331 communicates with the counterbore 312, not only the movement interference between the chair leg positioning bolt and the rotating assembly 2 can be avoided, but also chair leg positioning bolts and chair legs of different models can be applied.

[0057] By providing a tapered cavity inside the fixing sleeve 1, the rotating assembly 2 can be quickly installed and disassembled; each component of the seat bracket can be quickly installed, disassembled and individually packaged, which is convenient for transportation and reduces the production cost at the same time.

[0058] It should be noted that the above technical features continue to be combined with each other to form various embodiments not listed above, which are all regarded as the scope recorded in the description of the present utility model; and for those of ordinary skill in the art, improvements or transformations can be made according to the above description, and all such improvements and transformations should fall within the protection scope of the appended claims of the present utility model.

Claims

1. A seat bracket that is convenient for disassembly and installation, comprising a fixed sleeve and a rotating assembly, at least part of the rotating assembly is arranged in the fixed sleeve, and is characterized in that: Further included are: A plurality of connection brackets that surround and are detachably arranged on the outer wall of the fixed sleeve, and the connection brackets include: A side positioning plate detachably arranged on the outer wall of the fixed sleeve; An end positioning plate arranged at one end of the side positioning plate and detachably connected to one end of the fixed sleeve; A connection plate, with its first end arranged on the side positioning plate and its second end extending outwards for installing chair legs.

2. The seat bracket that is easy to disassemble and install according to claim 1, wherein: A positioning groove is arranged at one end of the fixed sleeve, and the end positioning plate is snap-fitted with the positioning groove.

3. The seat bracket that is easy to disassemble and install according to claim 1, wherein: An end limiting groove is formed between the side positioning plate and the end positioning plate, and the end limiting groove matches and is snap-fitted with the end of the side wall of the fixed sleeve.

4. A seat bracket that is easy to disassemble and install according to claim 3, characterized in that: An end cap is arranged at one end of the fixed sleeve close to the limiting groove, and a counterbore is formed between the end cap and the fixed sleeve.

5. The seat bracket that is easy to disassemble and install according to claim 4, wherein: An end positioning screw hole is formed in the end cap, an end positioning hole is formed in the end connection plate, and the end positioning screw hole and the end positioning hole are connected by an end positioning bolt.

6. The seat bracket that is convenient for disassembly and installation according to claim 1, wherein: A side positioning screw hole is arranged on the side wall of the fixed sleeve, positioning features are arranged on the side positioning plate, and the side positioning screw hole and the positioning features are connected by a side positioning bolt.

7. The seat bracket that is easy to disassemble and install according to claim 6, wherein: There are two positioning features, which are respectively arranged on both sides of the side positioning plate. The positioning features on two adjacent side positioning plates match and are fixed on the fixed sleeve by a side positioning bolt.

8. A seat bracket that is easy to disassemble and install according to claim 1, characterized in that: A counterbore is formed on the side of the side positioning plate close to the fixed sleeve and extends outwards, the counterbore penetrates the first end of the connection plate, and a chair leg positioning bolt is arranged in the counterbore.

9. A seat bracket that is easy to disassemble and install according to claim 1, characterized in that: The rotating assembly includes a rotating shaft and an inner sleeve, one end of the rotating shaft is rotatably arranged in the inner sleeve, and the inner sleeve is arranged in the fixed sleeve.

10. The seat bracket that is easy to disassemble and install according to claim 9, wherein: A conical cavity is arranged inside the fixed sleeve, and the inner sleeve is sleeved with the conical cavity.

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