CN219396761U - Movable rotating mechanism of sofa - Google Patents

Abstract

The utility model discloses a movable rotating mechanism of a sofa, which comprises two sliding rods fixed on a base, wherein the two sliding rods are respectively provided with a sliding sleeve, each sliding sleeve comprises an outer sleeve and an inner sleeve, the inner sleeve is fixed in the outer sleeve, a plurality of rows of through holes are distributed on the surface of the inner sleeve along the circumference, the through holes in each row are distributed along the axis direction of the inner sleeve, a plurality of rows of steel balls are distributed between the inner sleeve and the outer sleeve, the plurality of rows of steel balls are positioned in the plurality of rows of through holes, and when the sliding sleeve is installed on the sliding rod, the plurality of rows of steel balls are contacted with the surface of the sliding rod. This patent has improved the sliding sleeve, by original sliding sleeve internal face and slide bar surface contact, changes steel ball and slide bar surface contact in the sliding sleeve into, frictional resistance when the sliding sleeve slides has significantly reduced, has reduced power loss, and low-power electric putter just can drive the removal of sliding sleeve. The novel design is carried out on the rotating mechanism based on the sofa, so that the supporting area is greatly increased, and the novel sofa has strong supporting capacity and stability.

Description

Movable rotating mechanism of sofa

Technical Field

The utility model relates to the field of sofas, in particular to a movable rotating mechanism of a sofa.

Background

In the existing sliding mechanism, a part of the sliding mechanism adopts a structure form that a sliding sleeve slides relative to a sliding rod, and the sliding sleeve and the sliding rod consume larger power due to frictional resistance, so that the structure of the sliding sleeve needs to be improved.

In addition, the sofa on the market at present generally has the angle adjusting function of backrest and headrest, and does not have the function of lateral sliding, and the sofa also does not have the function of turning, and even though current chair has already had the function of turning, the steering mechanism that uses adopts the vertical axis to match the bearing and has realized turning to, adopts the vertical axis to turn to and is unsuitable for using on the sofa, and practice proves that when installing the vertical axis on the sofa, the support is very unstable, only can use on the sofa after need improving steering mechanism.

Disclosure of Invention

The utility model aims to provide a moving and rotating mechanism of a sofa, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a movable rotating mechanism of sofa, includes two slide bars of fixing on the base, is equipped with the sliding sleeve on two slide bars respectively, the sliding sleeve includes overcoat and endotheca, the endotheca is fixed in the overcoat, the surface of endotheca distributes along the circumference has the multirow through-hole, and the through-hole in every row distributes along the axis direction of endotheca, and it has multirow steel ball to distribute between endotheca and the overcoat, and multirow steel ball be arranged in multirow through-hole, the sliding sleeve is installed to the slide bar, multirow steel ball and the surface contact of slide bar.

Further, the electric pushing rod is used for driving the two sliding sleeves to slide along the two sliding rods.

Further, the bottoms of the two sliding sleeves are fixedly connected through a cross beam, a hinged support is arranged on the cross beam and hinged with one end of an electric push rod, and the other end of the electric push rod is hinged on the base.

Further, a rotating mechanism is arranged on the sliding sleeve, and a sofa framework of the sofa is fixed on the rotating mechanism.

Further, the rotating mechanism comprises an upper rotating disc, a plurality of balls, a central connecting rod and a lower fixed disc, and the upper rotating disc is connected with the sofa framework through screws; the center of the disc surface of the upper rotating disc and the center of the disc surface of the lower fixed disc are respectively provided with an upper center hole and a lower center hole, an upper annular groove concentric with the upper center hole is arranged on the disc surface of the upper rotating disc, and the upper annular groove is positioned on the lower surface of the upper rotating disc; the disc surface of the lower fixed disc is provided with a lower annular groove concentric with the lower central hole, the lower annular groove is positioned on the upper surface of the lower fixed disc, the upper rotating disc is supported on the lower fixed disc through the balls, the tops of the balls are positioned in the upper annular groove, the bottoms of the balls are positioned in the lower annular groove, and the upper rotating disc and the lower fixed disc are connected together by the central connecting rod.

Further, the tops of the two sliding sleeves are respectively provided with an L-shaped metal supporting plate, the lower ends of the two L-shaped metal supporting plates are respectively welded with the two sliding sleeves, and the upper ends of the two L-shaped metal supporting plates are respectively fixedly connected with the lower fixing disc through screws.

Further, the length of the sliding sleeve is 100 mm-300 mm.

The utility model has the beneficial effects that:

the movable rotating mechanism of the patent is arranged on a sofa framework, so that the sofa has the functions of steering and laterally moving, and especially the sliding sleeve of the laterally moving mechanism is improved, the original inner wall surface of the sliding sleeve is contacted with the outer surface of the sliding rod, the steel ball in the sliding sleeve is contacted with the outer surface of the sliding rod, the friction resistance of the sliding sleeve during sliding is greatly reduced, the power loss is reduced, and the sliding sleeve can be driven to move by using a low-power electric push rod.

The novel design is carried out on the rotating mechanism based on the sofa, so that the supporting area is greatly increased, and the novel sofa has strong supporting capacity and stability.

Drawings

The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one skilled in the art without inventive effort from the following figures:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the base of FIG. 1;

FIG. 3 is a longitudinal cross-sectional view of the sliding sleeve of FIG. 2;

FIG. 4 is a schematic view of the rotary mechanism shown in FIG. 1;

FIG. 5 is a schematic view of the upper surface of the lower plate of FIG. 4;

fig. 6 is a schematic view of the structure of the lower surface of the upper rotating disc shown in fig. 4.

In the figure: 1. a base; 2. A slide bar; 3. A sliding sleeve; 4. A rotation mechanism; 5. A lateral sliding device; 6. a cross beam; 7. a hinged support; 8. a jacket; 9. an inner sleeve; 10. a through hole; 11. a steel ball; 12. an upper rotating disc; 13. a ball; 14. a center connecting rod; 15. a lower fixing plate; 16. an L-shaped support plate; 17. an upper central hole; 18. a lower central hole; 19. an upper annular groove; 20. and a lower annular groove.

Detailed Description

In order to better understand the technical solutions of the present utility model, the following description will be made in detail with reference to the accompanying drawings and specific embodiments, and it should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper surface", "lower surface", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "forward rotation", "reverse", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 and 2, the moving and rotating mechanism of the sofa comprises two sliding rods 2 fixed on a base 1, wherein sliding sleeves 3 are respectively arranged on the two sliding rods 2, and the length of each sliding sleeve is 100 mm-300 mm. The sliding sleeve 3 is provided with a rotating mechanism 4, and a sofa framework of the sofa is fixed on the rotating mechanism 4. The electric push rod 5 is used for driving the two sliding sleeves to slide along the two sliding rods. Specifically, the bottoms of the two sliding sleeves 3 are fixedly connected through a cross beam 6, a hinged support 7 is arranged on the cross beam 6, the hinged support 7 is hinged with one end of an electric push rod 5, and the other end of the electric push rod 5 is hinged on the base 1. The movable rotating mechanism is arranged on the sofa framework, so that the sofa has the functions of steering and lateral movement.

As shown in fig. 3, the sliding sleeve 3 comprises an outer sleeve 8 and an inner sleeve 9, the inner sleeve 9 is fixed in the outer sleeve 8, a plurality of rows of through holes 10 are distributed on the surface of the inner sleeve 9 along the circumference, the through holes 10 in each row are distributed along the axial direction of the inner sleeve 9, a plurality of rows of steel balls 11 are distributed between the inner sleeve 9 and the outer sleeve 8, the plurality of rows of steel balls 11 are positioned in the plurality of rows of through holes 10, and when the sliding sleeve 3 is mounted on the sliding rod 2, the steel balls 11 are contacted with the surface of the sliding rod 2. This patent has improved the sliding sleeve of side direction moving mechanism, by original sliding sleeve internal face and slide bar surface contact, changes steel ball and slide bar surface contact in the sliding sleeve into, and when the sliding sleeve 3 moved relative slide bar 2, the frictional resistance when the sliding sleeve slides had significantly reduced, has reduced power loss, uses the electric putter of miniwatt just can drive the removal of sliding sleeve.

As shown in fig. 4, 5 and 6, the rotating mechanism 4 comprises an upper rotating disc 12, a plurality of balls 13, a central connecting rod 14 and a lower fixed disc 15, wherein the upper rotating disc 12 is connected with a sofa framework of a sofa through screws, the lower fixed disc 15 is fixed on the top of two L-shaped support plates 16 through screws, and the two L-shaped support plates 16 are welded on the two sliding sleeves 3; the center of the disc surface of the upper rotating disc 12 and the center of the disc surface of the lower fixed disc 15 are respectively provided with an upper center hole 17 and a lower center hole 18, the disc surface of the upper rotating disc 12 is provided with an upper annular groove 19 concentric with the upper center hole 17, and the upper annular groove 19 is positioned on the lower surface of the upper rotating disc 12; the disc surface of the lower fixed disc 15 is provided with a lower annular groove 20 concentric with the lower central hole 18, the lower annular groove 20 is positioned on the upper surface of the lower fixed disc 15, the upper rotating disc 12 is supported on the lower fixed disc 15 through the balls 13, the tops of the balls 13 are positioned in the upper annular groove 19, the bottoms of the balls 13 are positioned in the lower annular groove 20, and the central connecting rod 14 connects the upper rotating disc 12 with the lower fixed disc 15. Above-mentioned rotary mechanism is specially designed to the sofa, and the sofa volume is great, so current vertical axis supports, and is very unstable, and rotary mechanism of this patent makes the holding area greatly increased, has very strong bearing capacity and stability.

Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction. While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (7)

1. A movable rotating mechanism of a sofa, which is characterized in that: the sliding sleeve comprises an outer sleeve and an inner sleeve, wherein the inner sleeve is fixed in the outer sleeve, a plurality of rows of through holes are distributed on the surface of the inner sleeve along the circumference, a plurality of rows of steel balls are distributed between the inner sleeve and the outer sleeve along the axial direction of the inner sleeve, the plurality of rows of steel balls are located in the plurality of rows of through holes, and when the sliding sleeve is installed on the sliding sleeve, the plurality of rows of steel balls are in contact with the surface of the sliding rod.

2. The mobile swivel mechanism of claim 1, wherein: the sliding sleeve is characterized by further comprising an electric push rod, wherein the electric push rod is used for driving the two sliding sleeves to slide along the two sliding rods.

3. The mobile swivel mechanism of claim 2, wherein: the bottoms of the two sliding sleeves are fixedly connected through a cross beam, a hinged support is arranged on the cross beam and hinged with one end of an electric push rod, and the other end of the electric push rod is hinged on the base.

4. A mobile swivel mechanism for a sofa according to claim 3, wherein: the sliding sleeve is provided with a rotating mechanism, and a sofa framework of the sofa is fixed on the rotating mechanism.

5. The mobile swivel mechanism of claim 4, wherein: the rotating mechanism comprises an upper rotating disc, a plurality of balls, a central connecting rod and a lower fixed disc, and the upper rotating disc is connected with the sofa framework through screws; the center of the disc surface of the upper rotating disc and the center of the disc surface of the lower fixed disc are respectively provided with an upper center hole and a lower center hole, an upper annular groove concentric with the upper center hole is arranged on the disc surface of the upper rotating disc, and the upper annular groove is positioned on the lower surface of the upper rotating disc; the disc surface of the lower fixed disc is provided with a lower annular groove concentric with the lower central hole, the lower annular groove is positioned on the upper surface of the lower fixed disc, the upper rotating disc is supported on the lower fixed disc through the balls, the tops of the balls are positioned in the upper annular groove, the bottoms of the balls are positioned in the lower annular groove, and the upper rotating disc and the lower fixed disc are connected together by the central connecting rod.

6. The mobile swivel mechanism of claim 5, wherein: the top of two sliding sleeves all is equipped with L shape metal supporting plate, and the lower extreme of two L shape metal supporting plates respectively with two sliding sleeves welding, the upper end of two L shape metal supporting plates respectively through screw with lower fixed disk fixed connection.

7. The mobile swivel mechanism of claim 1, wherein: the length of the sliding sleeve is 100 mm-300 mm.