CN212489238U - A rotating device and furniture for furniture - Google Patents

Abstract

The utility model provides a rotating device for furniture, the furniture comprises a fixed base and a rotating unit, the rotating device comprises a fixed part, a rotating part, a driving mechanism and a rotating guide mechanism; the fixed part is provided with a first containing cavity, the driving mechanism comprises a stator and a rotor, the stator is arranged in the first containing cavity and fixedly connected with the fixed part, the rotor rotates relative to the stator, and the rotor is connected with the rotating part and drives the rotating part to rotate relative to the fixed part; the rotation guide mechanism is arranged on the surface of one side of the fixed piece facing the rotating piece, the rotation guide mechanism is respectively abutted against the fixed piece and the rotating piece, and the rotation guide mechanism guides the rotating piece to rotate relative to the fixed piece; the rotating piece is connected with the rotating unit, and the fixing piece is connected with the fixed base; the present application also provides a piece of furniture; this application can satisfy the user to furniture rotation function's demand to rotatory guiding mechanism can reduce to rotate the required moment of torsion when rotating for the mounting rotates, shares the load of drive pivot, improves actuating mechanism life.

Description

A rotating device and furniture for furniture

Technical Field

The utility model relates to the field of furniture, in particular to furniture rotating device and furniture.

Background

With the increasing standards of living and the pursuit of comfortable living, the demand for multiple functions of furniture is increasing, and many pieces of furniture are required to have a swivel function, such as tables, cabinets, seats, and the like. However, the furniture has certain defects in rotation, for example, the rotation angle cannot be effectively adjusted, and the rotation is laborious and inflexible. Taking the sofa as an example, when adjusting the rotation angle of the sofa, the user needs to push the sofa by himself to achieve the purpose of adjusting the orientation of the sofa, so that the user cannot adjust the sofa while using the sofa. If the user is unsatisfied with the orientation of the adjusted sofa, the user needs to get up to push the sofa to rotate again, so that the efficiency of sofa rotation adjustment is low, and the use requirements of people cannot be met. And the user takes trouble and labours when promoting the sofa angle change, has greatly influenced user's use and has experienced. Because the furniture itself generally has a relatively large volume, if the driving device is directly mounted on the furniture in order to solve the problem that the furniture is laborious and time-consuming in the process of rotating movement, the occupied space of the furniture is increased.

To overcome the above defects in the prior art, the present application aims to provide a rotating device for furniture and furniture, which not only can enable different furniture to have a rotating function, but also can flexibly adjust the rotation angle of the furniture, and in addition, the structure is more compact, and the space occupied by the furniture can be greatly reduced.

SUMMERY OF THE UTILITY MODEL

To solve the above problems in the prior art, an object of the present invention is to provide a rotating device for furniture and furniture.

In order to solve the above problems, the present invention provides a rotating device for furniture, the furniture includes a fixed base and a rotating unit, the rotating device includes a fixed member, a rotating member, a driving mechanism and a rotation guiding mechanism;

the fixed part is provided with a first containing cavity, the driving mechanism comprises a stator and a rotor, the stator is arranged in the first containing cavity and fixedly connected with the fixed part, the rotor can rotate relative to the stator, the rotor is connected with the rotating part, and the rotor can drive the rotating part to rotate relative to the fixed part;

the rotation guide mechanism is arranged on the surface of one side of the fixed part facing the rotating part, the rotation guide mechanism is respectively abutted against the fixed part and the rotating part, and the rotation guide mechanism is used for guiding the rotating part to rotate relative to the fixed part;

the rotating piece is used for being connected with the rotating unit, and the fixing piece is used for being connected with the fixing base.

Further, the rotor includes iron core, drive pivot and commutator, the drive pivot is located the iron core center and with the iron core is fixed to be connected to each other, the commutator with the iron core is coaxial to be set up and to be located the iron core is close to the one side of rotating the piece, the rotor with rotate the piece and pass through the drive pivot is connected.

Specifically, the cross section of the driving rotating shaft and the end connected with the rotating part are non-circular, and the rotating part is provided with a connecting groove matched with the driving rotating shaft.

Specifically, the drive pivot is kept away from the one end that rotates the piece still is connected with the bearing, the bearing with the mounting bottom links to each other, the rotor with the mounting passes through the drive pivot with the bearing rotates and links to each other.

Further, the rotation guide mechanism includes a first sliding groove and a plurality of balls, the first sliding groove is disposed on a surface of the fixed member facing one side of the rotating member, the first sliding groove is an annular groove, and the balls are disposed between the first sliding groove and the rotating member.

Preferably, the rotation guide mechanism further comprises a second sliding groove, the second sliding groove is formed in the surface of one side, close to the fixed part, of the rotating part, the second sliding groove is opposite to the first sliding groove, and the balls are uniformly distributed in an accommodating space formed by the first sliding groove and the second sliding groove together.

Preferably, the outer edge of the fixed part is provided with a first flanging, the first flanging extends towards the direction of the rotating part, the outer edge of the rotating part is provided with a second flanging, and the second flanging extends towards the direction of the fixed part.

Furthermore, be equipped with a plurality of first connecting holes on the mounting, it is a plurality of first connecting hole evenly distributed is in the edge of mounting, the edge of rotating the piece is equipped with a plurality of second connecting holes, and is a plurality of second connecting hole evenly distributed.

Preferably, a control mechanism is further connected to the driving mechanism.

The utility model discloses another aspect protects a furniture, include unable adjustment base, rotation unit and the rotating device who is used for furniture as above-mentioned technical scheme provides, the rotation unit with it is connected to rotate the piece, unable adjustment base with the mounting is connected, the rotation unit is close to one side of rotating the piece is equipped with the second and holds the chamber, rotating device's at least part sets up the second holds the intracavity.

Because of the technical scheme, the utility model discloses following beneficial effect has:

the utility model provides a rotating device for furniture, under the drive of actuating mechanism, can realize rotating relative to the mounting rotation of rotating, thus when being applied to furniture, can drive the rotation unit to rotate relative to the unable adjustment base, satisfy the user to the demand of furniture rotation function;

a rotary guide mechanism is arranged between the rotating part and the fixed part, so that the torque required by the rotating part relative to the fixed part can be reduced; the rotary guide mechanism can also play a role in supporting the rotating part and the rotating unit of the furniture, and share the supporting burden of the driving rotating shaft, so that the driving rotating shaft only serves as a rotary driving part, the driving rotating shaft is prevented from being damaged or even broken due to excessive load, and the service life of parts is prolonged;

at least part of the rotating device can be accommodated in a second accommodating cavity of the furniture; the furniture occupation space can be saved, and the space utilization rate is improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural diagram of a rotating device for furniture according to an embodiment of the present invention;

FIG. 2 is a side view of the turning device;

FIG. 3 is a schematic view of the rotating device with parts broken away;

FIG. 4 is a schematic top view of the fastener and the driving mechanism;

fig. 5 is a schematic structural diagram of a piece of furniture according to an embodiment of the present invention.

In the figure: 10-a fixed part, 11-a first flange, 12-a first connecting hole, 20-a rotating part, 21-a connecting groove, 22-a second flange, 23-a second connecting hole, 30-a driving mechanism, 31-a stator, 32-a rotor, 321-an iron core, 322-a driving rotating shaft, 323-a commutator, 40-a rotating guide mechanism, 41-a first chute, 42-a ball, 43-a second chute, 50-a rotating unit and 60-a fixed base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein; the terms "upper", "lower", and the like indicate directional or positional relationships based on the directions or positional relationships shown in the drawings; furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

Example 1

Referring to fig. 1 to 5, the present embodiment provides a turning device for furniture, the furniture including a fixed base and a turning unit disposed above the fixed base, the turning device including a fixed member 10, a turning member 20, a driving mechanism 30, and a rotation guide mechanism 40;

the fixing member 10 is provided with a first accommodating cavity; the driving mechanism 30 comprises a stator 31 and a rotor 32, the stator 31 is arranged in the first cavity and fixedly connected with the fixed part 10, the rotor 32 can rotate relative to the stator 31, the rotor 32 is connected with the rotating part 20, and the rotor 32 can drive the rotating part 20 to rotate relative to the fixed part 10;

in the embodiment of the present specification, the stator 31 is a plurality of annular fan-shaped cylindrical magnetic shoes, the magnetic shoes are permanent magnets, the first cavity is a cylindrical cavity, the plurality of magnetic shoes are fixedly connected with the side wall and the bottom wall of the first cavity, a cavity surrounded by the plurality of magnetic shoes is a rotor cavity, and the rotor 32 is located in the rotor cavity and rotates relative to the magnetic shoes;

the rotation guide mechanism 40 is provided on a surface of the fixed member 10 on a side facing the rotating member 20, the rotation guide mechanism 40 is in contact with the fixed member 10 and the rotating member 20, respectively, and the rotation guide mechanism 40 guides the rotating member 20 to rotate with respect to the fixed member 10;

the rotating part 20 is used for connecting with the rotating unit, the fixed part 10 is used for connecting with the fixed base, and under the combined action of the driving mechanism 30 and the rotation guiding mechanism 40, the rotating part 20 drives the rotating unit to rotate relative to the fixed base, thereby meeting the requirement of users for the furniture to have a rotating function.

As shown in fig. 3 and 4, the rotor 32 of the driving mechanism 30 includes an iron core 321, a driving rotating shaft 322, and a commutator 323, in this embodiment, the iron core 321 is formed by laminating and pressing a plurality of silicon steel sheets, the iron core 321 is a multi-slot structure and is provided with a winding, winding coils are wound around the iron core 321 in the same rotating direction and then connected to the commutator 323, the driving rotating shaft 322 is located in the center of the iron core 321 and is fixedly connected to the iron core, one end of the driving rotating shaft 322 extends toward the rotating member 20, the commutator 322 is coaxially disposed with the iron core 321 and is located on a side of the iron core 321 close to the rotating member 20, and the rotor 32 is connected to the rotating member 20 through the.

It should be noted that in the embodiment of the present disclosure, one end of the driving rotating shaft 322 extending toward the rotating member 20 extends out of the first cavity and is connected to the rotating member 20, and the iron core 321 and the commutator 323 are both located in the first cavity, so as to reduce the occupied volume of the driving mechanism; besides, one end of the driving shaft 322 in the driving mechanism 30 extends out of the first cavity, and other components are located in the first cavity, so that the driving mechanism 30 can be protected.

The cross section of the end of the driving rotating shaft 322 connected with the rotating part 20 is non-circular, and the rotating part 20 is provided with a connecting groove 21 matched with the driving rotating shaft 322. As shown in fig. 1 and 3, one end of the driving rotation shaft 322 for connecting the rotation member 20 has a plurality of ribs on its surface along the length direction of the driving rotation shaft 322, so that one end of the driving rotation shaft 322 is formed into a quadrangular prism, and the shape and size of the connecting groove 21 are matched with the end of the driving rotation shaft 322 having a quadrangular prism shape.

Since the cross section of one end of the driving rotation shaft 322 is non-circular, the driving rotation shaft 322 and the connecting groove 21 cannot rotate relatively, that is, only synchronous circumferential rotation and relative radial movement can be realized. The synchronous circumferential rotation causes the driving shaft 322 to drive the rotating member 20 to rotate synchronously; the relative radial movement enables the connection of the driving mechanism 30 and the fixed member 10 to be achieved by inserting the driving rotation shaft 322 into the connection groove 21 or extracting it from the connection groove 21, and the assembly is simple and convenient.

The other end of the driving shaft 322, which is far away from the rotating member 20, is connected to a bearing, the bearing is disposed in the first cavity of the fixing member 10 and connected to the bottom wall of the first cavity, and the rotor 32 is rotatably connected to the fixing member 10 through the driving shaft 322 and the bearing.

A carbon brush chamber for accommodating a carbon brush is further provided between the commutator 323 and the rotating member 20, and the carbon brush (not shown) is elastically connected to the commutator 323. When the permanent magnet brushless motor works, current is supplied to an iron core winding through the carbon brush and the commutator 323, the winding is excited by the current to form an electromagnetic field, and the electromagnetic field drives the rotor 32 to rotate along a permanent magnetic field formed by the magnetic shoes of the stator 31 to do work under the cooperation of the commutator 323. The rotation of the rotor 32 is outputted to the rotary member 20 via the driving rotary shaft 322, and the rotation of the furniture rotary unit is realized.

The rotation guide mechanism 40 includes a first slide groove 41 and a plurality of balls 42, the first slide groove 41 is provided on a surface of the fixed member 10 on a side facing the rotating member 20, the first slide groove 41 is an annular groove, and the plurality of balls 42 are provided between the first slide groove 41 and the rotating member 20. Preferably, the size of the first sliding chute 41 is larger than that of the first cavity, so that the first sliding chute 41 is arranged around the periphery of the first cavity.

The rotation guiding mechanism 40 further includes a second sliding groove 43, the second sliding groove 43 is disposed on a surface of the rotating member 20 on a side close to the fixed member 10, the second sliding groove 43 is disposed opposite to the first sliding groove 41, that is, a size of the second sliding groove 43 is matched with a size of the first sliding groove 41, so that the plurality of balls 42 are uniformly distributed in the accommodating space formed by the first sliding groove 41 and the second sliding groove 43.

The balls 42 can roll in the accommodating space formed by the first sliding chute 41 and the second sliding chute 43, and the balls 42 are respectively abutted with the first sliding chute 41 and the balls 42 and the second sliding chute 43; so that the torque required when the rotating member 20, the furniture rotating unit, is rotated with respect to the fixing member 10 can be reduced; the balls 42 disposed between the rotating member 20 and the fixing member 10 can support the rotating member 20 and the rotating unit, and share the supporting load of the driving shaft 322, so that the driving shaft 322 is only used as a rotary driving member, thereby preventing the driving shaft 322 from being damaged or even broken due to excessive load, and prolonging the service life of the components.

The outer edge of the fixed part 10 is provided with a first flanging 11, and the first flanging 11 extends towards the rotating part 20; the outer edge of the rotating part 20 is provided with a second flanging 22, and the second flanging 22 extends towards the direction of the fixed part 10; namely, the first flange 11 and the second flange 22 are close to each other, so that the driving rotating shaft 322 and the rotation guide mechanism 40 are prevented from being exposed to the outside, and the driving rotating shaft 322 and the rotation guide mechanism 40 are protected; the first flanging 11 and the second flanging 22 can prevent the rotating part 20 from rubbing or colliding with other parts of the furniture when rotating relative to the fixed part 10, so that hard damage is reduced; the first and second flanges 11, 22 also reduce or even prevent impurities from entering between the rotating member 20 and the fixed member 10 and interfering with the rotation between the rotating member 20 and the fixed member 10.

As shown in fig. 1, a plurality of first connection holes 12 are formed in the fixture 10, and the plurality of first connection holes 12 are uniformly distributed at the edge of the fixture 10; similarly, the rotating member 20 is provided with a plurality of second connection holes 23, and the plurality of second connection holes 23 are uniformly distributed at the edge of the rotating member 20.

In the embodiment of the present specification, the driving mechanism 30 is further connected to a control mechanism, and the control mechanism is configured to control a magnitude of an output torque of the driving mechanism 30, so that a rotation angle and a rotation speed are regulated and controlled when the furniture rotation unit is driven to rotate, flexible adjustment of furniture rotation is achieved, and user experience is improved.

As shown in fig. 5, the present embodiment further provides a piece of furniture, which includes a rotating unit 50, a fixed base 60 and a rotating device for a piece of furniture provided in the above technical solution, wherein the rotating unit 50 is disposed above the fixed base 60, the fixed base 60 is connected with the fixed member 10 through the first connecting hole 12, and the rotating unit 50 is connected with the rotating member 20 through the second connecting hole 23, so that the rotating unit 50 can realize relative rotation with the fixed base 60 under the driving of the driving mechanism 30; in this embodiment, the fixing base 60 is a sofa fixing base, and the rotating unit 50 is a sofa seat frame for connecting and supporting a sofa seat.

A second accommodating cavity is formed in one side, close to the rotating part 20, of the rotating unit 50, and at least part of the rotating device is arranged in the second accommodating cavity; thereby playing the role of saving the occupied space of the furniture.

In the rotating device for furniture provided by the embodiment, the driving mechanism 30 can drive the rotating member 20 to rotate relative to the fixed member 10, so that when the rotating device is applied to furniture, the rotating unit 50 of the furniture can be driven to rotate relative to the fixed base 60 of the furniture, and the requirement of a user for the rotating unit of the furniture to have a rotating function is met;

further, since the rotation guide mechanism 40 is provided between the rotating member 20 and the fixed member 10, the torque required when the rotating member 20 rotates with respect to the fixed member 10 can be reduced; the rotary guide mechanism 40 can support the rotary member 20 and the rotary unit 50 of the furniture, and share the support burden of the driving rotary shaft 322, so that the driving rotary shaft is only used as a rotary driving member, damage and even breakage of the driving rotary shaft 322 due to excessive load are avoided, and the service life of parts is prolonged;

at least part of the rotating device can be accommodated in the second accommodating cavity; thereby playing the role of saving the occupied space of the furniture and improving the space utilization rate.

Example 2

The present embodiment provides a turning device for furniture, which is different from embodiment 1 in that:

the rotation guide mechanism 40 includes a first guide rail provided on a surface of the fixed member 10 on a side facing the rotating member 20, the first guide rail being a circular guide rail, and a ball 42 rolling between the first guide rail and the rotating member 20;

the rotation guide mechanism 40 further includes a second guide rail provided on a surface of the rotating member 20 on a side close to the fixed member 10, the second guide rail being disposed opposite to the first guide rail, and the balls 42 rolling between the first guide rail and the second guide rail.

The rotary guide mechanism 40 is arranged between the rotating part 20 and the fixed part 10, and can play a role of supporting the rotating part 20 and the rotating unit 50 connected with the rotating part 20, so that the supporting burden of the driving rotating shaft 322 is reduced or even eliminated, the driving rotating shaft is prevented from being damaged or even broken due to transitional load, and the service life of the parts of the driving mechanism 30 is prolonged;

in addition, the requirement for the output torque of the driving mechanism 30 when the furniture rotates can be reduced, and the rotating efficiency of the furniture rotating unit can be improved.

Other similar parts of this embodiment and embodiment 1 can be referred to each other, and are not described in detail herein.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention, as will be apparent to those skilled in the art, the invention is not limited to the details of the foregoing exemplary embodiment, but rather is embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. A turning device for furniture, comprising a stationary base and a turning unit, characterized in that the turning device comprises a stationary part (10), a turning part (20), a driving mechanism (30) and a rotation guiding mechanism (40);

the fixed part (10) is provided with a first accommodating cavity, the driving mechanism (30) comprises a stator (31) and a rotor (32), the stator (31) is arranged in the first accommodating cavity and fixedly connected with the fixed part (10), the rotor (32) can rotate relative to the stator (31), the rotor (32) is connected with the rotating part (20), and the rotor (32) can drive the rotating part (20) to rotate relative to the fixed part (10);

the rotation guide mechanism (40) is arranged on the surface of one side of the fixed part (10) facing the rotating part (20), the rotation guide mechanism (40) is respectively abutted with the fixed part (10) and the rotating part (20), and the rotation guide mechanism (40) is used for guiding the rotating part (20) to rotate relative to the fixed part (10);

the rotating part (20) is used for being connected with the rotating unit, and the fixing part (10) is used for being connected with the fixed base.

2. A rotary device for furniture according to claim 1, wherein the rotor (32) comprises an iron core (321), a driving rotary shaft (322) and a commutator (323), the driving rotary shaft (322) is located at the center of the iron core (321) and is fixedly connected with the iron core (321), the commutator (323) is arranged coaxially with the iron core (321) and is located at one side of the iron core (321) close to the rotary member (20), and the rotor (32) and the rotary member (20) are connected through the driving rotary shaft (322).

3. A rotary device for furniture according to claim 2, wherein the end of the rotary drive shaft (322) connected to the rotary member (20) has a non-circular cross-section, and the rotary member (20) is provided with a connecting groove (21) matching with the rotary drive shaft (322).

4. A rotary device for furniture according to claim 3, wherein a bearing is further connected to an end of the driving rotary shaft (322) remote from the rotary member (20), the bearing is connected to a bottom of the stationary member (10), and the rotor (32) is rotatably connected to the stationary member (10) through the driving rotary shaft (322) and the bearing.

5. A rotary device for furniture according to claim 1, wherein the rotary guide mechanism (40) comprises a first slide groove (41) and a plurality of balls (42), the first slide groove (41) is provided on a surface of a side of the fixed member (10) facing the rotary member (20), the first slide groove (41) is an annular groove, and the plurality of balls (42) is provided between the first slide groove (41) and the rotary member (20).

6. A rotary device for furniture according to claim 5, wherein the rotary guide mechanism (40) further comprises a second slide groove (43), the second slide groove (43) is disposed on a surface of the rotary member (20) on a side close to the fixed member (10), the second slide groove (43) is disposed opposite to the first slide groove (41), and the balls (42) are uniformly distributed in a receiving space formed by the first slide groove (41) and the second slide groove (43).

7. A rotary device for an item of furniture according to claim 1, characterized in that the outer edge of the fixed part (10) is provided with a first flange (11), which first flange (11) extends in the direction of the rotary part (20), and the outer edge of the rotary part (20) is provided with a second flange (22), which second flange (22) extends in the direction of the fixed part (10).

8. A rotary device for furniture according to claim 1, wherein the fixed member (10) is provided with a plurality of first connecting holes (12), the plurality of first connecting holes (12) are uniformly distributed at the edge of the fixed member (10), the edge of the rotary member (20) is provided with a plurality of second connecting holes (23), and the plurality of second connecting holes (23) are uniformly distributed.

9. A rotary device for furniture items according to claim 1, characterised in that a control mechanism is also connected to the drive mechanism (30).

10. Furniture comprising a fixed base, a rotary unit and a rotary device for furniture according to any one of claims 1 to 9, characterized in that the rotary unit is connected to the rotary member (20), the fixed base is connected to the fixed member (10), a second receptacle is provided on the side of the rotary unit close to the rotary member (20), and at least part of the rotary device is provided in the second receptacle.

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