Detachable chair base

Abstract

The utility model discloses a detachable chair base which comprises a chair bottom frame, the surface of the chair bottom frame is connected with a first supporting mechanism and a second supporting mechanism which are clamped in a cross shape, and a mounting seat is mounted above the first supporting mechanism and the second supporting mechanism through a mounting mechanism. The first supporting leg and the second supporting leg are clamped with each other, so that the first supporting leg and the second supporting leg can be fixedly connected with the chair bottom frame through the first screw and the third screw, and meanwhile, the first supporting leg, the second supporting leg and the connecting cross frame can be fixedly connected with the first rotating seat and the second rotating seat respectively through the connecting stud and the mounting nut; and the supporting top frame can be mounted on the outer side of the transverse supporting rod through fourth screws, so that the whole chair chassis can be conveniently assembled, a traditional welding mode of the chair chassis is changed, the chair chassis is fixedly mounted by adopting multiple groups of screws, the whole chair chassis can be effectively and conveniently transported in parts, and the transportation cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of chairs, in particular to a detachable chair base. Background Art

[0002] A chair is a piece of furniture for daily life, a kind of seat with a backrest and armrests. Modern chairs pursue beauty and fashion. Some chairs are no longer just seats. With the combination of technology, they make human life more convenient.

[0003] At present, some chair bases are made of metal. Therefore, welding is used during processing, making the chair base integral. As a result, the chair base cannot be disassembled during transportation, which leads to inconvenience in transportation and increases transportation costs. Therefore, we propose a detachable chair base to solve the above problem. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a detachable chair base.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A detachable chair base includes a chair bottom frame, a first supporting mechanism and a second supporting mechanism that are cross-engaged are connected to the surface of the chair bottom frame, and a mounting seat is installed above the first supporting mechanism and the second supporting mechanism through a mounting mechanism, a connecting mechanism is installed above the mounting seat through the mounting mechanism, and connecting frames are installed on both sides of the connecting mechanism.

[0007] Preferably, the first supporting mechanism comprises a first screw, a first leg is mounted on the surface of the chair frame by the first screw, and an upper end of the first leg is fixedly connected to a connecting block, and two groups of first legs can be welded together by the connecting block.

[0008] Preferably, the second supporting mechanism comprises a third screw, and the second leg is mounted on the surface of the chair frame via the third screw, and the third screw can facilitate the function of limiting the installation of the second leg.

[0009] Preferably, a recess matching the second leg is provided on the top of the first leg, and a second screw is threadedly inserted between the connecting block and the second leg. The second leg can be conveniently engaged in the recess through the recess provided on the top of the first leg, thereby facilitating assembly between the second leg and the first leg.

[0010] Preferably, the cross-section of the chair frame is arranged to be annular, and a plurality of sets of screw holes are provided at equal distances on the bottom surface of the chair frame, and both ends of the first leg and the second leg are arranged to be arc-shaped, and the curvature is the same as the surface curvature of the chair frame, and the first leg and the second leg can be conveniently installed through the plurality of sets of screw holes provided at equal distances on the bottom surface of the chair frame.

[0011] Preferably, the mounting seat includes a first rotating seat, the first leg and the second leg are in contact with the first rotating seat above, and the second rotating seat is installed above the first rotating seat. The first rotating seat and the second rotating seat are rotatably connected, so that the cross frame can be conveniently connected for rotation.

[0012] Preferably, the mounting mechanism includes connecting studs, connecting studs are fixed at the four outer corners of the first rotating seat and the second rotating seat, and the surfaces of the connecting studs are threaded with mounting nuts, which can be easily sleeved on the surface of the connecting studs, thereby facilitating the installation of the first rotating seat and the second rotating seat.

[0013] Preferably, the connecting mechanism comprises a connecting cross frame, a connecting cross frame is installed above the second rotating seat, and both ends of the connecting cross frame are fixedly connected with transverse struts, and the two sets of connecting cross frames can be connected through the transverse struts.

[0014] Preferably, the connecting frame includes a fourth screw, a plurality of sets of fourth screws are inserted inside the transverse support rod, and the plurality of sets of fourth screws are threadedly connected to the supporting top frame, and the supporting top frame can be conveniently installed by the plurality of sets of fourth screws.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The device can be connected and fixed to the chair frame by the first screw and the third screw through the mutual engagement of the first leg and the second leg. At the same time, the first leg and the second leg and the connecting cross frame can be conveniently fixedly connected to the first rotating seat and the second rotating seat respectively through the connecting studs and the mounting nuts, and the supporting top frame can be installed on the outside of the transverse support rod through the fourth screw, so as to facilitate the assembly of the chair frame as a whole. The traditional welding method of the chair frame is changed to use multiple sets of screws for fixed installation, which can effectively facilitate the transportation of the chair frame as a whole in pieces and reduce transportation costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional schematic diagram of a detachable chair base proposed by the utility model;

[0018] Figure 2 This is a three-dimensional bottom view schematic diagram of a detachable chair base proposed by the utility model;

[0019] Figure 3 This is a three-dimensional disassembly schematic diagram of a detachable chair base proposed by the utility model;

[0020] Figure 4 for Figure 1 Schematic diagram of the three-dimensional separation state of the first leg and the second leg structure.

[0021] In the figure: 1. Chair base frame;

[0022] 2. first supporting mechanism; 21. first screw; 22. first supporting leg; 23. connecting block; 24. second screw;

[0023] 3. Second supporting mechanism; 31. Third screw; 32. Second supporting leg;

[0024] 4. Mounting mechanism; 41. Connecting studs; 42. Mounting nuts;

[0025] 5. Mounting seat; 51. First rotating seat; 52. Second rotating seat;

[0026] 6. Connecting mechanism; 61. Connecting cross frame; 62. Transverse support rod;

[0027] 7. Connect the frame; 71. The fourth screw; 72. Support the top frame. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Reference Figure 1-4 A detachable chair base includes a chair base frame 1, and a first supporting mechanism 2 and a second supporting mechanism 3 that are engaged in a cross shape are connected to the surface of the chair base frame 1. The first supporting mechanism 2 and the second supporting mechanism 3 are combined into a cross shape, which can increase the supporting stability of the chair base frame 1, and a mounting seat 5 is installed above the first supporting mechanism 2 and the second supporting mechanism 3 through a mounting mechanism 4, and a connecting mechanism 6 is installed above the mounting seat 5 through the mounting mechanism 4, and connecting frames 7 are installed on both sides of the connecting mechanism 6.

[0030] Further, see Figure 2 and Figure 4 It can be known that the first supporting mechanism 2 includes a first screw 21, a first leg 22 is installed on the surface of the chair frame 1 through the first screw 21, and the upper end of the first leg 22 is fixedly connected with a connecting block 23, and the two groups of first legs 22 can be conveniently fixedly connected through the connecting block 23.

[0031] Further, see Figure 2 and Figure 3 It can be known that the second supporting mechanism 3 includes a third screw 31 , and the second leg 32 is mounted on the surface of the chair base frame 1 through the third screw 31 , and the second leg 32 can be mounted on the surface of the chair base frame 1 through the third screw 31 .

[0032] Further, see Figure 3 and Figure 4 It can be known that a recess matching the second leg 32 is opened on the top of the first leg 22, and a second screw 24 is threadedly inserted between the connecting block 23 and the second leg 32. The first leg 22 and the second leg 32 can be assembled by passing the second screw 24 through the connecting block 23 and the second leg 32.

[0033] Further, see Figure 2 and Figure 3 It can be known that the cross-section of the chair frame 1 is set to be annular, and a plurality of sets of screw holes are provided at equal distances on the bottom surface of the chair frame 1. Both ends of the first leg 22 and the second leg 32 are set to be arc-shaped, and the curvature is the same as the curvature of the surface of the chair frame 1. By setting both ends of the first leg 22 and the second leg 32 to be arc-shaped, the first leg 22 and the second leg 32 can be fitted with the surface of the chair frame 1, so that the assembly between the chair frame 1 and the first leg 22 and the second leg 32 is convenient.

[0034] Further, see Figure 2 and Figure 3 It can be known that the mounting base 5 includes a first rotating base 51, the first leg 22 and the second leg 32 are in contact with the first rotating base 51, and the second rotating base 52 is installed above the first rotating base 51. Through the first rotating base 51 and the second rotating base 52, the connecting cross frame 61 can be easily rotated.

[0035] Further, see Figure 3 and Figure 4 It can be known that the mounting mechanism 4 includes a connecting stud 41, and the connecting studs 41 are fixed at the four outer corners of the first rotating seat 51 and the second rotating seat 52, and the surface of the connecting stud 41 is threaded with a mounting nut 42. The first leg 22 and the second leg 32 and the connecting cross frame 61 can be conveniently installed on the surface of the connecting stud 41 through the mounting nut 42.

[0036] Further, see Figure 2 and Figure 3 It can be known that the connecting mechanism 6 includes a connecting cross frame 61, and the connecting cross frame 61 is installed above the second rotating seat 52, and both ends of the connecting cross frame 61 are fixedly connected with transverse struts 62, and the two ends of the connecting cross frame 61 can be connected and supported by the transverse struts 62.

[0037] Further, see Figure 2 and Figure 3 It can be known that the connecting frame 7 includes a fourth screw 71, and multiple groups of fourth screws 71 are inserted into the interior of the transverse support rod 62, and the multiple groups of fourth screws 71 are threadedly connected to the supporting top frame 72. The transverse support rod 62 and the supporting top frame 72 can be connected through the multiple groups of fourth screws 71.

[0038] Working principle: When the utility model is in use, when the chair base frame 1 needs to be disassembled as a whole, according to the attached Figure 1 , Attachment Figure 2 , Attachment Figure 3 and attached Figure 4 , by removing the plurality of fourth screws 71 from the connecting cross frame 61 and the supporting top frame 72, the supporting top frame 72 can be separated from both ends of the connecting cross frame 61, and then the mounting nuts 42 are taken out from the surface of the connecting studs 41, so that the connecting cross frame 61 and the second rotating seat 52 can be separated respectively, and at the same time, the first rotating seat 51 and the first leg 22 and the second leg 32 can be separated, and by taking out the first screw 21 and the third screw 31 from the inside of the chair bottom frame 1, the first leg 22 and the second leg 32 can be separated from the chair bottom frame 1, and by taking out the second screw 24 from between the connecting block 23 and the second leg 32, the first leg 22 and the second leg 32 can be separated from each other, and then the chair bottom frame 1 is completely disassembled;

[0039] The above is the entire working principle of the utility model.

[0040] In the present invention, the installation method, connection method or setting method of all the components mentioned above are common mechanical methods, and the specific structures, models and coefficient indicators of all its components are its own technology. As long as it can achieve its beneficial effects, it can be implemented, so it will not be elaborated.

[0041] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

[0042] In the present utility model, unless otherwise stated, the directional words contained in the terms such as "up, down, left, right, front, back, inside, outside, vertical, horizontal" only represent the orientation of the term in normal use, or are common names understood by those skilled in the art, and should not be regarded as limitations on the term. At the same time, number series nouns such as "first", "second" and "third" do not represent specific quantities and orders, but are merely used to distinguish names. Moreover, the terms "include", "comprise" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A detachable chair base, comprising a chair base frame (1), characterized in that: The surface of the chair base frame (1) is connected with a first supporting mechanism (2) and a second supporting mechanism (3) which are engaged in a cross shape, and a mounting seat (5) is installed above the first supporting mechanism (2) and the second supporting mechanism (3) through a mounting mechanism (4), the first supporting mechanism (2) includes a first screw (21), a first leg (22) is installed on the surface of the chair base frame (1) through the first screw (21), and a connecting block (23) is fixedly connected to the upper end of the first leg (22), and the second supporting mechanism (3) includes a third screw (31), a second leg (32) is installed on the surface of the chair base frame (1) through a third screw (31), a connecting mechanism (6) is installed on the top of the mounting seat (5) through a mounting mechanism (4), the mounting mechanism (4) includes a connecting stud (41), and the surface of the connecting stud (41) is threadedly sleeved with a mounting nut (42), and a connecting frame (7) is installed on both sides of the connecting mechanism (6), the connecting frame (7) includes a fourth screw (71), and the fourth screw (71) is threadedly connected to the supporting top frame (72).

2. A detachable chair base according to claim 1, characterized in that: A notch matched with the second leg (32) is provided above the first leg (22), and a second screw (24) is threadedly inserted between the connecting block (23) and the second leg (32).

3. The detachable chair base according to claim 1, characterized in that: The cross section of the chair frame (1) is arranged in a circular ring shape, and a plurality of screw holes are arranged at equal distances on the bottom surface of the chair frame (1), and both ends of the first leg (22) and the second leg (32) are arranged in an arc shape, and the arc is the same as the surface arc of the chair frame (1).

4. The detachable chair base according to claim 2, characterized in that: The mounting seat (5) comprises a first rotating seat (51), the first supporting leg (22) and the second supporting leg (32) are in contact with the first rotating seat (51) above, and a second rotating seat (52) is mounted above the first rotating seat (51).

5. The detachable chair base according to claim 4, characterized in that: The connecting mechanism (6) comprises a connecting cross frame (61), the connecting cross frame (61) is installed above the second rotating seat (52), and both ends of the connecting cross frame (61) are fixedly connected to transverse support rods (62).

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