Multifunctional base and sofa iron stand adopting same

Abstract

The utility model discloses a multifunctional base and a sofa iron stand adopting the same. The multifunctional base comprises a bottom frame, a rotating disc is arranged at the top of the bottom frame, a swing mechanism is arranged at the top of the rotating disc, the swing mechanism comprises a frame fixedly connected to the top of the rotating disc, mounting frames are arranged on the two sides of the frame, two swing rods are arranged between the two mounting frames, and rotating pieces pivoted to the mounting frames are arranged at the two ends of the swing rods. At least one swing rod is connected with an electromagnetic driving mechanism, the electromagnetic driving mechanism comprises a mounting base mounted at the top of the frame body, a winding drum coil is arranged on one side of the mounting base, a linear bearing is arranged on the other side of the mounting base, a telescopic core rod penetrates through the linear bearing, and the telescopic core rod is connected with the swing rods through a connecting structure. The utility model solves the problems that the swing of the sofa needs to be maintained by virtue of external force at any time and the experience is poor in the prior art.

Description

Technical Field

[0001] The utility model relates to the field of home furnishing manufacturing, in particular to a multifunctional base and a sofa iron frame using the base. Background Art

[0002] The existing Chinese utility model patent with publication number CN114129009A and titled "A sofa base with swing and rotation functions" discloses that when in use, the functional iron frame of the sofa is directly installed on the connecting plate, so that the functional iron frame, i.e., the sofa, has swing and rotation functions. However, when the sofa swings, due to the friction between the parts, the swing amplitude becomes smaller and smaller, and external force is needed from time to time to maintain the swing amplitude of the sofa, which is not a good experience. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a multifunctional base which automatically maintains the swing amplitude of a sofa, thereby improving the user experience.

[0004] In order to achieve the above purpose, the technical solution adopted by the multifunctional base of the utility model is:

[0005] A multifunctional base comprises a base frame, a turntable is arranged on the top of the base frame, a swing mechanism is arranged on the top of the turntable, the swing mechanism comprises a frame fixedly connected to the top of the turntable, mounting frames are arranged on both sides of the frame, two swing rods are arranged between the two mounting frames, rotating parts pivotally connected to the mounting frames are arranged at both ends of the swing rod, at least one swing rod is connected to an electromagnetic drive mechanism, the electromagnetic drive mechanism comprises a mounting base installed on the top of the frame, a winding coil is arranged on one side of the mounting base, and a linear bearing is arranged on the other side, a telescopic core rod passes through the linear bearing, and the telescopic core rod is connected to the swing rod through a connecting structure.

[0006] Preferably, the connection structure comprises a rod end joint bearing fixedly connected to the end of the telescopic mandrel, the rod end joint bearing is hinged to a transmission rod via a bolt assembly, and the other end of the transmission rod is hinged to the rocker arm via a rivet.

[0007] Preferably, the turntable includes an upper shell and a lower shell, the center positions of the upper and lower shells are connected by a rotating shaft, the upper shell is fixed to the bottom of the frame, and the lower shell is fixed to the top of the base frame. The upper shell is integrally formed with an upper annular groove with its center position as the center of the circle, and the lower shell is integrally formed with a lower annular groove with its center position as the center of the circle, and the upper and lower annular grooves are spliced ​​to form a ball groove, and a plurality of balls are arranged in the ball groove.

[0008] Preferably, the base frame comprises a circular ring, a cross bracket is welded on the inner side of the circular ring, and the lower shell is fixed to the top of the cross bracket.

[0009] Preferably, the frame includes longitudinal tubes fixedly connected to both sides of the top of the upper shell, a bottom plate for fixing the mounting base is arranged between the two longitudinal tubes, both ends of the longitudinal tubes are connected as a whole by a transverse tube, and the mounting frame is fixedly connected to the top surface of the transverse tube.

[0010] In order to achieve the above-mentioned purpose, the technical solution adopted by the sofa iron frame adopting the multifunctional base of the utility model is:

[0011] The utility model relates to a sofa iron frame adopting a multifunctional base, comprising the multifunctional base and a mechanical extension device, wherein the mechanical extension device is installed on a rotating part of the multifunctional base.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] By energizing the winding coil, the telescopic core rod is attracted to move to one side of the winding coil, giving a boost to the swing arm to offset the energy loss during the swinging of the sofa and automatically maintain the swing amplitude of the sofa, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the multifunctional base of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the electromagnetic drive mechanism and the connection structure;

[0016] Figure 3 It is a structural diagram of the swing mechanism;

[0017] Figure 4 is a cross-sectional view of the turntable;

[0018] Figure 5 It is a schematic diagram of the structure of the chassis;

[0019] Figure 6 The utility model is a structural schematic diagram of a sofa iron frame adopting a multifunctional base.

[0020] Among them, 1 multifunctional base, 11 base frame, 111 ring, 112 support leg, 113 cross support frame, 12 turntable, 121 upper shell, 122 lower shell, 123 ball groove, 124 ball, 13 swing mechanism, 131 frame, 1311 longitudinal tube, 1312 bottom plate, 1313 transverse tube, 132 mounting frame, 133 rocker rod, 1331 connecting plate 1, 1332 connecting plate 2, 134 rotating part, 14 electromagnetic drive mechanism, 141 mounting base, 142 clamp, 143 winding coil, 144 linear bearing, 145 telescopic core rod, 15 connecting structure, 151 rod end joint bearing, 152 bolt assembly, 153 transmission rod, 1531 bearing, 2 mechanical extension device. DETAILED DESCRIPTION

[0021] The present invention is further explained below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that these implementation methods are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art all fall within the scope defined by the claims attached to this application.

[0022] like Figure 1-5 As shown, a multifunctional base 1 includes a base frame 11, the base frame includes a circular ring 111, a plurality of support legs 112 evenly distributed in a circle are installed at the bottom of the circular ring, a cross support frame 113 is welded on the inner side of the circular ring, a turntable 12 is installed on the top of the cross support frame, the turntable includes an upper shell 121 and a lower shell 122, the center positions of the upper and lower shells are connected by a rotating shaft, the lower shell is fixed to the top of the cross support frame, the upper shell has an upper annular groove integrally formed with its center position as the center of the circle, and the lower shell has a lower annular groove integrally formed with its center position as the center of the circle, the upper and lower annular grooves are spliced ​​to form a ball groove 123, a plurality of balls 124 are placed in the ball groove, a swing mechanism 13 is installed on the top of the upper shell, the swing mechanism includes a frame 131, the frame includes longitudinal tubes 1311 fixedly connected to both sides of the top of the upper shell, a bottom plate 1312 is welded between the two longitudinal tubes, both ends of the longitudinal tubes are connected as a whole by a transverse tube 1313, and the transverse tube A mounting frame 132 is fixed to the top, and two swing rods 133 are arranged between the two mounting frames. Both ends of the swing rod are fixedly connected to a rotating member 134 pivotally connected to the mounting frame. The swing rod on the front side is connected to an electromagnetic drive mechanism 14. The electromagnetic drive mechanism includes a mounting base 141, which is fixed to the top surface of the base plate. A winding coil 143 is installed on the rear side of the mounting base through a clamp 142. A linear bearing 144 is fixed to the front side through bolts. The linear bearing passes through a telescopic core rod 145. A connecting structure 15 is installed at the front end of the telescopic core rod. The connecting structure includes a rod end joint bearing 151 fixed to the end of the telescopic core rod. The rod end joint bearing is hinged to a transmission rod 153 through a bolt assembly 152. A connecting piece 1331 is welded to the middle part of the front swing rod. The connecting piece 1 is fixedly connected to the connecting piece 2 1332. The connecting piece 2 is hinged to the transmission member through a rivet. The outer side of the rivet is sleeved and installed on the bearing 1531 on the front side of the transmission rod.

[0023] The specific working process of the multifunctional base of the utility model is as follows: the rotation function is realized by the turntable, the swing function is realized by the swing mechanism, and the winding coil is intermittently energized during the swinging process to provide gravitational force for the telescopic core rod, that is, to provide assistance for the swing of the swing rod, so as to maintain or increase the swing amplitude of the swing rod.

[0024] like Figure 6 As shown, a sofa iron frame using a multifunctional base includes a multifunctional base 1 and a mechanical stretching device 2, wherein the mechanical stretching device is installed on a rotating part of the multifunctional base.

[0025] The specific working process of the sofa iron frame with a multifunctional base of the utility model is as follows: the sofa can be switched between three states of sitting, TV and lying through a mechanical extension device, can be rotated 360 degrees through a turntable, and can be swung back and forth through a swing mechanism. During the swinging process, the winding coil is intermittently energized to provide gravitational force for the telescopic core rod, that is, to provide assistance for the swing of the swing rod, so as to maintain or increase the swing amplitude of the sofa.

[0026] When the sofa swings from front to back, the winding coil is energized, and the gravitational force provided to the telescopic core rod can be used as a swing assist for the swing rod, so as to maintain or increase the swing amplitude of the swing rod and improve the user experience.

Claims

1. A multifunctional base, comprising a base frame, a turntable is arranged on the top of the base frame, a swing mechanism is arranged on the top of the turntable, the swing mechanism comprises a frame fixedly connected to the top of the turntable, mounting frames are arranged on both sides of the frame, two swing rods are arranged between the two mounting frames, and rotating members pivotally connected to the mounting frames are arranged at both ends of the swing rod, characterized in that: At least one swing rod is connected to an electromagnetic drive mechanism, which includes a mounting base mounted on the top of the frame, a winding coil is arranged on one side of the mounting base, and a linear bearing is arranged on the other side. The linear bearing passes through a telescopic core rod, and the telescopic core rod is connected to the swing rod through a connecting structure.

2. The multifunctional base according to claim 1, characterized in that: The connection structure comprises a rod end joint bearing fixedly connected to the end of the telescopic mandrel, the rod end joint bearing is hinged with a transmission rod through a bolt assembly, and the other end of the transmission rod is hinged with a swing rod through a rivet.

3. The multifunctional base according to claim 1, characterized in that: The turntable includes an upper shell and a lower shell, the center positions of the upper and lower shells are connected by a rotating shaft, the upper shell is fixed to the bottom of the frame, and the lower shell is fixed to the top of the base frame. The upper shell is integrally formed with an upper annular groove with its center position as the center of the circle, and the lower shell is integrally formed with a lower annular groove with its center position as the center of the circle. The upper and lower annular grooves are spliced ​​to form a ball groove, and a plurality of balls are arranged in the ball groove.

4. The multifunctional base according to claim 3, characterized in that: The base frame comprises a circular ring, a cross support is welded on the inner side of the circular ring, and the lower shell is fixedly connected to the top of the cross support.

5. The multifunctional base according to claim 3, characterized in that: The frame includes longitudinal tubes fixedly connected to both sides of the top of the upper shell, a bottom plate for fixing the mounting base is arranged between the two longitudinal tubes, the two ends of the longitudinal tubes are connected as a whole through a transverse tube, and the mounting frame is fixedly connected to the top surface of the transverse tube.

6. A sofa iron frame using the multifunctional base according to any one of claims 1 to 5, characterized in that: It comprises a multifunctional base and a mechanical extension device, wherein the mechanical extension device is installed on a rotating part of the multifunctional base.

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