Low-noise swivel chair

Abstract

The utility model discloses a low-noise swivel chair which comprises a chair rotating unit, and the chair rotating unit comprises a fixed base and a fixed column arranged in the fixed base in a penetrating mode. A first rotating part is arranged between the inner wall of the fixed base and the fixed column; a second rotating part is arranged on the periphery of the fixed column; the second rotating part is arranged at the upper end of the fixed base; a connecting column is arranged in the fixing column in a penetrating manner; the fixing and rotating device is reasonable in structural design, and the fixing and rotating work is achieved through the arrangement of the fixing base and the fixing column; the first rotating part is arranged between the inner wall of the fixed column and the fixed column, and the second rotating part is arranged on the periphery of the fixed column and the upper end of the fixed base, so that when a user rotates, two rotating surfaces, in contact with the fixed base, of the fixed column can rotate more stably due to the arrangement of the first rotating part and the second rotating part respectively; therefore, no noise is made during rotation, the effect is better during rotation, and rotation is smoother.

Description

TECHNICAL FIELD

[0001] The utility model relates to a swivel chair field especially relates to a low noise swivel chair. BACKGROUND

[0002] With the improvement of people's living standards, people will use swivel chair in daily life and work, the swivel chair is provided with fixed base and fixed column at the rotating part for connecting seat part and base, the fixed column rotates in the fixed base to realize the rotation and adjustment of direction, when the chair seat has a certain weight, the fixed column and the fixed base rotate, friction occurs between the two, resulting in noise, which produces huge noise and has certain influence on living, working and resting environment. SUMMARY

[0003] The utility model solves the technical problem in the prior art, and provides a low noise swivel chair.

[0004] The utility model adopts the technical scheme that:

[0005] A low noise swivel chair, including seat rotating unit, the seat rotating unit includes fixed base, fixed column that is arranged in fixed base, first rotating part is arranged between the inner wall of fixed base and fixed column, the outer periphery of fixed column is provided with second rotating part, the second rotating part is arranged on the upper end of fixed base, the connecting column is arranged in fixed column, and the third rotating part is arranged on the connecting column.

[0006] The above components achieve the following effects: the seat rotating unit is arranged, so that the user can adjust the direction by rotating the seat rotating unit; the fixed base and the fixed column are arranged to fix and rotate; the first rotating part is arranged between the inner wall of the fixed column and the fixed column, and the second rotating part is arranged on the upper end of the fixed base, so that when the user rotates, the two rotating surfaces of the fixed column and the fixed base in contact will rotate due to the arrangement of the first rotating part and the second rotating part, so that no noise is generated during rotation, and the effect of rotation is better and the rotation is smoother; the connecting column is arranged in the fixed column, the connecting column is connected with the swivel chair, and the third rotating part is arranged on the connecting column, so that the rotating surface of the third rotating part and the connecting column in contact rotates during the rotation of the connecting column, and no noise is generated.

[0007] Preferably, the first rotating part comprises a first fixed ring, a fixing piece, a rotating column and a rotating groove; the rotating groove is annularly arranged on the inner wall of the fixed base; the rotating column is arranged in the rotating groove; the rotating groove is provided with an opening outward; at most half of the rotating column is arranged outside the rotating groove.

[0008] The effect achieved by the above components is that the rotating groove is annularly arranged on the inner wall of the fixed base and is provided with an opening, and the rotating column is arranged in the rotating groove, so that when the fixed column rotates, the outer wall of the fixed column will abut against the rotating column, the outer wall of the fixed column is rotated through the rotating column, and direct contact between the outer wall of the fixed column and the fixed base is prevented to avoid noise caused by rotation.

[0009] Preferably, the second rotating part comprises an outer fixed ring, an upper fixed ring, a lower fixed ring and a bearing unit; the bearing unit is arranged between the upper fixed ring and the lower fixed ring; the upper fixed ring, the lower fixed ring and the bearing unit are sleeved on the outer periphery of the fixed column; and the outer fixed ring is arranged on the outer periphery of the upper fixed ring, the lower fixed ring and the bearing unit.

[0010] The effect achieved by the above components is that the bearing unit is arranged between the upper fixed ring and the lower fixed ring, so that the bearing unit can rotate between the upper fixed ring and the lower fixed ring, and the outer fixed ring is arranged outside the bearing unit, the upper fixed ring and the lower fixed ring, thereby playing a protection role.

[0011] Preferably, the fixed base is provided with a fixed groove, the first fixed ring and the fixed groove are provided with fixed holes, and the first fixed ring is connected to the upper end of the fixed groove through the fixed holes and the fixed member.

[0012] The effect achieved by the above components is that the fixed groove and the fixed hole are arranged, so that the first fixed ring can be fixedly connected to the fixed base and limit and fix the rotating column arranged in the rotating groove.

[0013] Preferably, the fixed column is provided with a first fixed part and a second fixed part, the first fixed part is arranged at the upper end of the first fixed ring and extends outward, and the second fixed part is arranged at the connecting position between the bottom of the fixed column and the fixed base.

[0014] The effect achieved by the above components is that the first fixed part is arranged to fix the outer fixed ring and limit the upper fixed ring, and the second fixed part is arranged to connect the fixed column and the fixed base.

[0015] Preferably, the first fixed part is provided with a buckle groove, the outer fixed ring is provided with a buckle position, and the outer fixed ring is connected to the fixed column through the buckle groove and the buckle position.

[0016] The effect achieved by the above components is that the buckle groove and the buckle position are arranged, so that the first fixed part and the outer fixed ring can be detachably connected or fixedly connected through buckling.

[0017] Preferably, the bottom of the second fixing part is outwardly extended and provided with a buckle; and the fixing base is buckled with the fixing column through the buckle of the second fixing part.

[0018] The above-mentioned component achieves the effect that the fixing column can be detachably connected with the fixing base through the buckle.

[0019] Preferably, the upper fixed ring and the lower fixed ring are provided with a rotating groove at the position where they abut against the bearing unit.

[0020] The above-mentioned component achieves the effect that the rotating effect of the bearing unit is better when rotating.

[0021] Preferably, the lower surface of the lower fixed ring abuts against the upper surface of the first fixed ring; and the upper surface of the upper fixed ring abuts against the lower surface of the first fixed part.

[0022] The above-mentioned component achieves the effect that the lower surface of the lower fixed ring abuts against the upper surface of the first fixed ring; and the upper surface of the upper fixed ring abuts against the lower surface of the first fixed part, so that the fixed column only rotates with the bearing unit when rotating, and does not abut against the fixing base to generate noise after rotating.

[0023] Preferably, the connecting column is connected with the swivel chair through a third rotating part; the third rotating part comprises a fixed shell and a rotating assembly arranged in the fixed shell; and the inner periphery of the rotating assembly is connected with the outer periphery of the connecting column.

[0024] The above-mentioned component achieves the effect that the third rotating part is arranged to connect the connecting column with the swivel chair, the fixed shell is arranged to connect the swivel chair, and the rotating assembly is arranged to abut against and connect with the inner surface of the connecting column, so that the rotating assembly rotates together with the connecting column when the connecting column rotates, preventing the connecting column from generating noise when rotating and affecting the user.

[0025] Compared with the prior art, the utility model has the advantages that the fixing base and the fixing column are arranged to fix and rotate; the first rotating part is arranged between the inner wall of the fixing column and the fixing column, and the second rotating part is arranged at the upper end of the fixing base and the outer periphery of the fixing column, so that the two rotating surfaces of the fixing column and the fixing base in contact with each other do not generate noise when rotating because of the first rotating part and the second rotating part arranged respectively, and the rotating effect is better and more smooth; the connecting column is arranged in the fixing column and connected with the swivel chair, and the third rotating part is arranged on the connecting column, so that the rotating surface of the third rotating part and the connecting column abuts against and rotates when the connecting column rotates, preventing the connecting column from generating noise. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 is a structural schematic view of the utility model;

[0027] Fig. 2 is a structural schematic view of the seat rotating unit of the utility model;

[0028] Fig. 3 is a structural schematic view of the seat rotating unit of the utility model;

[0029] Fig. 4 is a structural schematic view of the seat rotating unit of the utility model;

[0030] Fig. 5 is a structural schematic view of the third rotating part of the utility model;

[0031] Fig. 6 is a structural schematic view of the third rotating part of the utility model.

[0032] Reference signs: 1, seat rotating unit; 2, fixed base; 21, fixed groove; 22, fixed hole; 3, fixed column; 31, first fixed part; 32, second fixed part; 33, buckle groove; 34, buckle; 4, first rotating part; 41, first fixed ring; 42, fixed piece; 43, rotating column; 44, rotating groove; 45, opening; 5, second rotating part; 51, outer fixed ring; 52, upper fixed ring; 53, lower fixed ring; 54, bearing unit; 55, buckle position; 56, rotating groove; 6, connecting column; 7, third rotating part; 71, fixed shell; 72, rotating assembly. DETAILED DESCRIPTION

[0033] In the following, a plurality of embodiments of the utility model will be disclosed with drawings. For the purpose of clear illustration, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the utility model. That is, in some embodiments of the utility model, these practical details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be drawn in a simple schematic manner in the drawings.

[0034] It should be noted that all directional indications in the embodiments of the utility model, such as up, down, left, right, front, back, etc., are used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0035] And, the above-mentioned partial terms can be used to represent other meanings in addition to the orientation or positional relationship, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases, and those skilled in the art can understand the specific meaning of these terms in the utility model according to the specific circumstances.

[0036] In addition, the terms "mounting", "setting", "provided with", "connecting", "connected", "sleeved" should be understood broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication between two devices, elements or components. The connection mode involved in the present application is prior art, and no improvement is made, which belongs to the common knowledge of those skilled in the art. Those skilled in the art can understand the specific meaning of the above-mentioned terms in the utility model according to the specific circumstances.

[0037] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and does not mean to specially indicate the order or sequence, nor to limit the present application. It is only to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the protection scope required by the present application.

[0038] For example, Figs. 1 to 3The utility model provides a low noise swivel chair, including seat rotating unit 1, seat rotating unit 1 includes fixed base 2, fixed column 3 of being worn in fixed base 2, be provided with first rotating part 4 between fixed base 2 inner wall and fixed column 3, the outer periphery of fixed column 3 is provided with second rotating part 5, second rotating part 5 sets up in fixed base 2 upper end, fixed column is worn in the connecting column 6 of fixed column, the third rotating part 7 of being set up on connecting column 6. Through being provided with seat rotating unit 1, user can go through seat rotating unit 1 to adjust direction after rotating, through being provided with fixed base 2 and fixed column 3, the work of fixing and rotating is played, through being provided with first rotating part 4 between fixed column 3 inner wall and fixed column 3, the second rotating part 5 of being set up in the upper end of fixed base 2 and the outer periphery of fixed column 3, when user is rotating, the two rotating surfaces of fixed column 3 and fixed base 2 contact will because respectively set up first rotating part 4 and second rotating part 5, to make when rotating, will not emit noise, and the effect when rotating is better, and rotating is more fluent, through being provided with connecting column 6 of being worn in fixed column 3, connecting column 6 is connected with swivel chair, and is provided with third rotating part 7 on connecting column 6, for when connecting column 6 rotates, the rotating surface of third rotating part 7 and connecting column 6 also will rotate, will not emit noise.

[0039] The first rotating part 4 includes a first fixed ring 41, a fixing piece 42, a rotating column 43 and a rotating groove 44; the rotating groove 44 is annularly arranged on the inner wall of the fixed base 2; the rotating column 43 is arranged in the rotating groove 44; the rotating groove 44 is provided with an opening 45 outward; and at most half of the rotating column 43 is arranged outside the rotating groove 44. By annularly arranging the rotating groove 44 on the inner wall of the fixed base 2 and arranging the opening 45, the rotating column 43 is arranged in the rotating groove 44, so that when the fixed column 3 rotates, the outer wall of the fixed column 3 will be in contact with the rotating column 43, the outer wall of the fixed column 3 rotates through the rotating column 43, and direct contact between the outer wall of the fixed column 3 and the fixed base 2 during rotation is prevented, so that noise is not emitted.

[0040] The second rotating part 5 includes an outer fixed ring 51, an upper fixed ring 52, a lower fixed ring 53 and a bearing unit 54; the bearing unit 54 is arranged between the upper fixed ring 52 and the lower fixed ring 53; the upper fixed ring 52, the lower fixed ring 53 and the bearing unit 54 are sleeved on the outer periphery of the fixed column 3; and the outer fixed ring 51 is arranged on the outer periphery of the upper fixed ring 52, the lower fixed ring 53 and the bearing unit 54. By arranging the bearing unit 54 between the upper fixed ring 52 and the lower fixed ring 53, the bearing unit 54 can rotate between the upper fixed ring 52 and the lower fixed ring 53, and the outer fixed ring 51 is arranged outside the bearing unit 54, the upper fixed ring 52 and the lower fixed ring 53, so as to play a protection role.

[0041] The fixed base 2 is provided with a fixed groove 21; the first fixed ring 41 is provided with a fixed hole 22 on the fixed groove 21; the first fixed ring 41 is connected on the upper end of the fixed groove 21 through the fixed part 42 and the fixed hole 22. By setting the fixed groove 21 and the fixed hole 22; the first fixed ring 41 can be fixedly connected on the fixed base 2, and the rotating column 43 arranged in the rotating groove 44 is limited and fixed.

[0042] The fixed column 3 is provided with a first fixed part 31 and a second fixed part 32; the first fixed part 31 extends outwardly and is arranged on the upper end of the first fixed ring 41; the second fixed part 32 is arranged at the connecting position of the bottom of the fixed column 3 and the fixed base 2. The first fixed part 31 is used for fixing the outer fixed ring 51 and limiting the upper fixed ring 52; the second fixed part 32 is used for connecting the fixed column 3 and the fixed base 2.

[0043] The first fixed part 31 is provided with a buckle groove 33; the outer fixed ring 51 is provided with a buckle position 55; the outer fixed ring 51 is connected on the fixed column 3 through the buckle groove 33 and the buckle position 55. By setting the buckle groove 33 and the buckle position 55, the first fixed part 31 and the outer fixed ring 51 can be connected or fixed by buckling.

[0044] The second fixed part 32 is provided with a buckle 34 which extends outwardly at the bottom; the fixed base 2 and the fixed column 3 are connected through the buckle 34 of the second fixed part 32. By setting the buckle 34, the fixed column 3 can be connected or fixed with the fixed base 2 through the buckle 34.

[0045] The upper fixed ring 52 and the lower fixed ring 53 are provided with a rotating groove 56 at the position of the bearing unit 54. By setting the rotating groove 56, the bearing unit 54 can rotate better.

[0046] The lower surface of the lower fixed ring 53 and the upper surface of the first fixed ring 41 are in contact; the upper surface of the upper fixed ring 52 and the lower surface of the first fixed part 31 are in contact. The lower surface of the lower fixed ring 53 and the upper surface of the first fixed ring 41 are in contact; the upper surface of the upper fixed ring 52 and the lower surface of the first fixed part 31 are in contact, so that the fixed column 3 only rotates the bearing unit 54 when rotating, and does not make the fixed column 3 and the fixed base 2 contact and rotate to make noise.

[0047] The connecting column 6 is connected with the swivel chair through a third rotating part 7; the third rotating part 7 comprises a fixed shell 71 and a rotating assembly 72 arranged in the fixed shell 71; the inner periphery of the rotating assembly 72 is connected with the outer periphery of the connecting column 6. The third rotating part 7 is arranged to connect the connecting column 6 with the swivel chair, the fixed shell 71 is arranged to connect the swivel chair, and the rotating assembly 72 is arranged to abut and connect with the inner surface of the connecting column 6, so that the rotating assembly 72 can rotate together with the connecting column 6 when the connecting column 6 rotates, and noise is prevented from being generated when the connecting column 6 rotates.

[0048] The rotating assembly 72 comprises a rotating column 43 or a bearing unit 54, which has the same structure as the first rotating part 4 or the second rotating part 5; when the bearing unit 54 or the rotating column 43 rotates, the rotating surface of the connecting column 6 and the third rotating part 7 abuts and rotates through the rotation of the rotating assembly 72, so that noise is not generated.

[0049] In the embodiment, the fixed base 2, the fixed column 3, the first rotating part 4, the second rotating part 5 and the connecting column 6 are arranged in the swivel chair.

[0050] When the user needs to rotate the swivel chair, the fixed column 3, the first rotating part 4 and the second rotating part 5 rotate at this time, the outer surface of the fixed column 3 abuts with one side of the rotating column 43, and the fixed column 3 rotates, so that the rotating column 43 also rotates; the bearing unit 54 of the first rotating part 4 also rotates between the upper fixed ring 52 and the lower fixed ring 53, and the connecting column 6 also rotates through the rotating assembly 72 in the third rotating part 7; at this time, because the rotating column 43, the bearing unit 54 and the rotating assembly 72 are arranged, the fixed column 3 and the connecting column 6 do not generate noise when coaxially rotating.

[0051] The swivel chair in the utility model belongs to the conventional and well-known technology and structure of the person skilled in the art, so it is not necessary to make too much elaboration and drawing description, and it is well known.

[0052] The connecting mode of the fixed base 2, the fixed column 3 and the swivel chair in the utility model is the conventional technology and structure, so it is not necessary to make too much elaboration and drawing description, and it is well known.

[0053] In the description of the present application, the reference terms "one embodiment", "some embodiments", "example", "specific example" and "some examples" are used to indicate the specific features, structures, characteristics or combinations thereof used in the embodiments of the present application.

[0054] The description of the term "an example" or "some examples" or the like means that a particular feature, structure, material or characteristic described in connection with the example is included in at least one embodiment or example of the present application. In this specification, illustrative representations of the above-mentioned terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and combine the features of different embodiments or examples described in the specification and the features of different embodiments or examples, without contradiction.

[0055] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet, welding and sticking in the prior art, which will not be described in detail here.

[0056] The above is only a preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, various modifications and changes can be made in the specific implementation mode and application range, and the content of the specification should not be understood as a limitation of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A low noise swivel chair comprising a seat swivel unit, characterized in that: The seat rotating unit comprises a fixed base, a fixed column arranged in the fixed base, a first rotating part arranged between the inner wall of the fixed base and the fixed column, a second rotating part arranged on the outer periphery of the fixed column, the second rotating part arranged on the upper end of the fixed base, a connecting column arranged in the fixed column, and a third rotating part arranged on the connecting column.

2. A low-noise swivel chair according to claim 1, characterized in that: The first rotating part comprises a first fixed ring, a fixing member, a rotating column and a rotating groove, the rotating groove is annularly arranged on the inner wall of the fixed base, the rotating column is arranged in the rotating groove, the rotating groove is provided with an opening outwardly, and at most half of the rotating column is arranged outside the rotating groove.

3. A low noise swivel chair as claimed in claim 1, characterized in that: The second rotating part comprises an outer fixed ring, an upper fixed ring, a lower fixed ring and a bearing unit, the bearing unit is arranged between the upper fixed ring and the lower fixed ring, the upper fixed ring, the lower fixed ring and the bearing unit are sleeved on the outer periphery of the fixed column, and the outer fixed ring is arranged on the outer periphery of the upper fixed ring, the lower fixed ring and the bearing unit.

4. A low-noise swivel chair according to claim 2, characterized in that: The fixed base is provided with a fixed groove, the first fixed ring and the fixed groove are provided with a fixed hole, and the first fixed ring is connected to the upper end of the fixed groove through the cooperation of the fixing member and the fixed hole.

5. A low noise swivel chair as claimed in claim 3, characterized in that: The fixed column is provided with a first fixed part and a second fixed part, the first fixed part is outwardly extended and arranged on the upper end of the first fixed ring, and the second fixed part is arranged at the connecting position between the bottom of the fixed column and the fixed base.

6. A low noise swivel chair according to claim 5, wherein: The first fixed part is provided with a buckle groove, the outer fixed ring is provided with a buckle position, and the outer fixed ring is connected to the fixed column through the cooperation of the buckle groove and the buckle position.

7. A low noise swivel chair as claimed in claim 5, characterized in that: The bottom of the second fixed part is outwardly extended and provided with a buckle, and the fixed base and the fixed column are buckled through the cooperation of the buckle of the second fixed part.

8. A low noise swivel chair as claimed in claim 3, characterized in that: The upper surface of the lower fixed ring is in contact with the upper surface of the first fixed ring, and the upper surface of the upper fixed ring is in contact with the lower surface of the first fixed part.

9. A low noise swivel chair according to claim 8, wherein: The connecting column is connected to the swivel chair through the third rotating part, the third rotating part comprises a fixed shell and a rotating assembly arranged in the fixed shell, and the inner periphery of the rotating assembly is connected to the outer periphery of the connecting column.

10. A low-noise swivel chair according to claim 1, characterized in that: ​

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