Swing driving structure applied to furniture and intelligent bedstead

Abstract

The utility model discloses a swing driving structure applied to furniture and an intelligent bedstead. The swing driving structure comprises a fixed frame, a swing frame, a driving mechanism and a control assembly, the driving mechanism comprises a stator part arranged on the fixing frame and a rotor part arranged on the swing frame, one of the stator part and the rotor part comprises an arc-shaped hollow pipe used for installation and fixation and a plurality of magnet sets fixed in the arc-shaped hollow pipe and arranged at intervals, and the other one comprises an iron core and a three-phase winding. The iron core comprises a mounting part for mounting and fixing and an arc-shaped winding part which is connected to the mounting part and is positioned on the periphery of the arc-shaped hollow pipe; the control assembly comprises a controller driving the three-phase winding and a position sensor used for detecting the swing position of the swing frame body, and the controller controls the three-phase winding according to position information fed back by the position sensor. Therefore, the magnet group acts in the three-phase winding, and the phenomenon of magnetic leakage is avoided, so that the driving efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field technology of furniture especially is a swing driving structure for furniture and intelligent bed frame. BACKGROUND

[0002] In furniture design, the swing structure usually refers to furniture with swing function, such as rocking chair, cradle, swing bed, swing sofa, etc. The benefits of swinging are: 1. It can promote blood circulation in the body, help relax muscles and reduce fatigue; 2. It can stimulate the vestibular system of the human body (located in the inner ear, responsible for balance), which helps to enhance balance ability; 3. It can relax muscles, reduce muscle tension and pain, especially suitable for relieving tension in the neck, shoulders and back.

[0003] In the prior art, the swing motion of the swing structure is driven by the motor throughout the process, that is, the rotation of the motor drives the left swing and the right swing. Influenced by the motor drive, the user will feel that the swing motion is too stiff and unnatural, affecting the use experience. Moreover, during the operation of the motor, noise will be generated, which will interfere with sleep and may cause anxiety, depression and lack of concentration, affecting the user's use experience.

[0004] Therefore, the applicant's previous application of a swing driving structure uses a three-phase winding combined with a magnet to drive the swing, which reduces noise. However, in this structure, the three-phase winding only acts on one side of the magnet, which may cause magnetic leakage, resulting in low efficiency of the swing driving structure.

[0005] Therefore, it is necessary to design a new technical solution to solve the above problems. UTILITY MODEL CONTENT

[0006] Therefore, the utility model provides a swing driving structure for furniture and an intelligent bed frame, which sets an arc hollow tube and a plurality of groups of spaced magnets fixed in the arc hollow tube, cooperates with an iron core including a mounting part for mounting and fixing and an arc winding part located at the outer periphery of the arc hollow tube connected to the mounting part, the arc winding part is provided with six spaced winding segments, and the three-phase winding is wound on the six winding segments. The magnet group is inside the three-phase winding, that is, the outer periphery of the magnet group is the acting surface, and there is no magnetic leakage phenomenon, thereby improving the driving efficiency.

[0007] To achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A swing driving structure for furniture, comprising a fixed frame, a swing frame that can swing relative to the fixed frame, a driving mechanism that drives the swing frame to swing relative to the fixed frame, and a control assembly.

[0009] The driving mechanism comprises a stator part arranged on the fixed frame and a mover part arranged on the swing frame, one of the stator part and the mover part comprises a fixedly arranged arc hollow tube and a plurality of groups of spaced-apart magnets fixed in the arc hollow tube, each group of magnets comprises two first magnets magnetically connected, adjacent two groups of magnets repel each other, the other one comprises an iron core and a three-phase winding, the iron core comprises a mounting part for fixing and an arc winding part connected to the mounting part and located at the outer periphery of the arc hollow tube, the arc winding part is provided with six spaced-apart winding segments, and the three-phase winding is wound on the six winding segments respectively;

[0010] The control assembly comprises a controller for driving the three-phase winding and a position sensor for detecting the swing position of the swing frame body, and the controller controls the three-phase winding according to the position information fed back by the position sensor.

[0011] As a preferred solution, the swing frame has a fixed state, a free swing state and an instructed swing state; in the fixed state, the controller controls the three-phase winding to be short-circuited, in the free swing state, the controller controls the three-phase winding to be open-circuited, and in the instructed swing state, the controller receives current information fed back by the three-phase winding and then controls the current passing through the three-phase winding.

[0012] As a preferred solution, the arc hollow tube is provided with two through holes arranged at a distance, the through holes are inserted with stop pins, and the plurality of groups of magnets are fixed between the two stop pins.

[0013] As a preferred solution, a spacer is arranged between the adjacent two groups of magnets.

[0014] As a preferred solution, the arc winding part is provided with a baffle at both ends, and a partition plate is arranged between the adjacent winding segments.

[0015] As a preferred solution, the position sensor is a magnetic encoder, and correspondingly, a second magnet is arranged at the rotating connection of the fixed frame body and the swing frame body, and the position sensor is arranged correspondingly to the second magnet.

[0016] As a preferred solution, the swing frame is rotatably connected with a swing rod assembly, the other end of the swing rod assembly is rotatably connected to the fixed frame, and the mover part is arranged on the swing rod assembly.

[0017] As a preferred solution, the swing rod assembly comprises four swing rods, the four swing rods form two groups, the two groups of swing rods are arranged on the two sides of the swing frame respectively, the two swing rods of each group of swing rods form an isosceles trapezoidal swing structure with the swing frame and the fixed frame, and the mover part is arranged on one of the swing rods.

[0018] The intelligent bed frame comprises the swing driving structure applied to furniture.

[0019] As a preferred solution, the fixing frame comprises two first side frames arranged at a left-right interval and two first connecting rods connecting the two first side frames, the first side frame comprises a first horizontal rod and two first vertical rods, two ends of the first horizontal rod are connected to the top of the two first vertical rods through two first inclined rods extending downward, and the first connecting rod is connected to the opposite first vertical rods of the two first side frames.

[0020] The swing frame comprises two second side frames arranged at a left-right interval and two second connecting rods connecting the two second side frames, the second side frame comprises a second horizontal rod and two second vertical rods, two ends of the second horizontal rod are connected to the bottom of the two second vertical rods through two second inclined rods extending upward, and the second connecting rod is connected to the opposite second vertical rods of the two second side frames.

[0021] Two ends of the swing rod are rotatably connected to the first horizontal rod and the second horizontal rod.

[0022] The utility model discloses a swing driving structure applied to furniture has the advantages of simple structure, convenient operation, high efficiency, low cost, etc.

[0023] The utility model discloses a swing driving structure applied to furniture has the advantages of simple structure, convenient operation, high efficiency, low cost, etc.

[0024] In order to more clearly set forth the structural features and functions of the utility model, the utility model will be described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is the three-dimensional schematic diagram of the preferred embodiment one of the utility model;

[0026] Figure 2 is the three-dimensional schematic diagram of the preferred embodiment one of the utility model; Figure 1

[0027] Figure 3 is the three-dimensional schematic diagram of the preferred embodiment one of the utility model;

[0028] Figure 4 is the three-dimensional schematic diagram of the preferred embodiment one of the utility model; ​

[0029] Figure 5 is the exploded view of the driving mechanism of the preferred embodiment one of the utility model;

[0030] Figure 6 is the sectional view of the driving mechanism of the preferred embodiment one of the utility model;

[0031] Figure 7 is the front view of the preferred embodiment one of the utility model (the swing frame is in the initial state);

[0032] Figure 8 is the front view of the preferred embodiment one of the utility model (the swing frame is in the left swing state);

[0033] Figure 9 is the front view of the preferred embodiment one of the utility model (the swing frame is in the right swing state);

[0034] Figure 10 is the swing diagram of the preferred embodiment one of the utility model;

[0035] Figure 11 is the swing diagram of the preferred embodiment two of the utility model.

[0036] The figure mark explanation is as follows:

[0037] 10, fixed frame; 11, first side frame;

[0038] 111, first horizontal rod; 112, first vertical rod;

[0039] 113, first inclined rod; 12, first connecting rod;

[0040] 20, swing frame; 21, second side frame;

[0041] 211, second horizontal rod; 212, second vertical rod;

[0042] 213, second inclined rod; 214, mounting rod;

[0043] 22, second connecting rod; 30, driving mechanism;

[0044] 31, stator part; 311, arc hollow tube;

[0045] 312, magnet group; 313, first magnet;

[0046] 314, spacer; 32, rotor part;

[0047] 321, iron core; 322, three-phase winding;

[0048] 323, mounting portion; 324, arc-shaped winding portion;

[0049] 325, winding segment; 326, baffle;

[0050] 327, partition; 301, through hole;

[0051] 302, stop pin; 303, observation hole;

[0052] 40, control assembly; 41, controller;

[0053] 42, position sensor; 50, swing rod assembly;

[0054] 51, swing rod; 60, mattress support structure. DETAILED DESCRIPTION

[0055] First of all, it needs to be explained that in the description of the utility model, the terms "upper", "lower", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0056] Please refer to Figures 1 to 11 The specific structure of the plurality of preferred embodiments of the utility model is shown, including a fixed frame 10, a swing frame 20 that can swing relative to the fixed frame 10, a driving mechanism 30 that drives the swing frame 20 to swing relative to the fixed frame 10, and a control assembly 40.

[0057] The driving mechanism 30 includes a stator part 31 provided on the fixed frame 10 and a mover part 32 provided on the swing frame 20, one of the stator part 31 and the mover part 32 includes an arc hollow tube 311 for fixed installation and a plurality of sets of spaced apart magnet groups 312 fixed in the arc hollow tube 311, each set of magnet groups 312 includes two first magnets 313 magnetically connected, the adjacent two sets of magnet groups 312 repel each other, the other includes an iron core 321 and a three-phase winding 322, the iron core 321 includes a mounting portion 323 for fixed installation and an arc winding portion 324 connected to the mounting portion 323 and located at the outer periphery of the arc hollow tube 311, the arc winding portion 324 is provided with six spaced apart winding segments 325, and the three-phase winding 322 is wound around the six winding segments 325 respectively;

[0058] The control assembly 40 includes a controller 41 that drives the three-phase winding 322 and a position sensor 42 that detects the swing position of the swing frame 20, and the controller 41 controls the three-phase winding 322 according to the position information fed back by the position sensor 42.

[0059] The rocking frame 20 has a fixed state, a free rocking state and an instructed rocking state; in the fixed state, the controller 41 controls the three-phase winding 322 to be short-circuited, in the free rocking state, the controller 41 controls the three-phase winding 322 to be open-circuited, and in the instructed rocking state, the controller 41 receives current information fed back by the three-phase winding 322 and then controls the current through the three-phase winding 322;

[0060] The instructed rocking state can include large-amplitude pendulum motion, small-amplitude pendulum motion and natural rocking motion; in both the large-amplitude pendulum motion and the small-amplitude pendulum motion, the controller 41 drives the rocking through the three-phase winding 322 all the way; in the free rocking motion, the rocking frame 20 body is at a left high point or a right high point, the controller 41 controls the three-phase winding 322 to be open-circuited, starts forward swinging under the action of gravity inertia, the height of the start of the forward swinging of the rocking frame 20 body is higher than the height of the end of the forward swinging of the rocking frame 20 body, when the rocking frame 20 body starts reverse swinging under the action of gravity inertia, the controller 41 controls the current through the three-phase winding 322 according to the position information fed back by the position sensor 42 and the current information fed back by the three-phase winding 322, so that the height of the end of the reverse swinging of the rocking frame 20 body is equal to the height of the start of the forward swinging of the rocking frame 20 body.

[0061] Referring to Figs. 1 and 2, Figure 2 and Figure 5 As shown in Figs. 1 and 2, the arc-shaped hollow tube 311 is provided with two through holes 301 arranged at intervals, the through holes 301 are provided with stop pins 302, a plurality of groups of magnets 312 are fixed between the two stop pins 302, and a spacer 314 is arranged between two adjacent groups of magnets 312; during assembly, the stop pin 302 at one end is inserted first, and then the group of magnets 312 and the spacer 314 are assembled from the end of the arc-shaped hollow tube 311 at one time, after all are assembled, the other stop pin 302 is inserted, and the fixing of the plurality of groups of magnets 312 is completed; preferably, a plurality of observation holes 303 are further provided on the arc-shaped hollow tube 311, the observation holes 303 are provided to facilitate understanding of the position of the assembled group of magnets 312, and the observation holes 303 are also provided to facilitate bending of the arc-shaped hollow tube 311 during forming;

[0062] In the embodiment, the arc-shaped hollow tube 311 is fixed on the fixed frame 10 and forms the stator part 31 together with the plurality of groups of magnets 312; in some other embodiments, the arc-shaped hollow tube 311 is fixed on the rocking frame 20 and forms the rotor part 32 together with the plurality of groups of magnets 312.

[0063] Referring to Figs. 1 and 2, Figure 2 and Figure 5As shown, the controller 41 is a control circuit board, which is arranged on the mounting portion 323, and the two ends of the arc-shaped winding portion 324 are provided with baffles 326, and the baffles 327 are arranged between adjacent winding segments 325.

[0064] In the embodiment, the mounting portion 323 is fixed on the swing frame 20, and forms the mover portion 32 together with the three-phase winding 322; in some other embodiments, the mounting portion 323 is fixed on the fixed frame 10, and forms the stator portion 31 together with the three-phase winding 322.

[0065] In the embodiment, the arc length of the arc-shaped winding portion 324 is smaller than the arc length formed by the plurality of magnet groups 312, and the arc length of the plurality of magnet groups 312 matches the swing stroke of the swing frame 20.

[0066] Referring to Figure 3 As shown, the position sensor 42 is a magnetic encoder, and the rotation connection position of the fixed frame 10 and the swing frame 20 is provided with a second magnet (not shown in the figure), and the position sensor 42 is arranged corresponding to the second magnet.

[0067] Referring to Figure 1 and Figure 4 As shown, the swing frame 20 is rotationally connected with a swing rod assembly 50, and the other end of the swing rod assembly 50 is rotationally connected to the fixed frame 10; specifically, the swing rod assembly 50 includes four swing rods 51, and two of the four swing rods 51 form a group, and the two groups of swing rods 51 are arranged on the two sides of the swing frame 20, respectively, and the two swing rods 51 of each group of swing rods 51 form an isosceles trapezoidal swing structure with the swing frame 20 and the fixed frame 10, and the mover portion 32 is arranged on one of the swing rods 51; in the embodiment, the mover portion 32 is arranged on the swing rod assembly 50.

[0068] Referring to Figure 1 , Figure 3 and Figure 4 As shown, when applied to a smart bed frame, the fixed frame 10 includes two first side frames 11 arranged at a left-right interval and two first connecting rods 12 connecting the two first side frames 11, the first side frame 11 includes a first horizontal rod 111 and two first vertical rods 112, the two ends of the first horizontal rod 111 are respectively connected to the top of the two first vertical rods 112 through two first inclined rods 113 extending downward at an angle, and the first connecting rod 12 is connected to the opposite first vertical rods 112 of the two first side frames 11.

[0069] The rocking frame 20 comprises two second side frames 21 arranged at a left-right interval and two second connecting rods 22 connecting the two second side frames 21, the second side frame 21 comprises a second horizontal rod 211 and two second vertical rods 212, two ends of the second horizontal rod 211 are connected to the bottom of the two second vertical rods 212 through two second inclined rods 213 extending upwardly and obliquely, and the second connecting rod 22 is connected to the opposite second vertical rods 212 of the two second side frames 21.

[0070] Two ends of the swinging rod 51 are rotatably connected to the first horizontal rod 111 and the second horizontal rod 211 respectively.

[0071] The top of the two second vertical rods 212 is provided with a mounting rod 214, and the mounting rod 214 is used for mounting the mattress support structure 60.

[0072] Referring to Figure 10 , it is a swinging schematic diagram of the first embodiment, that is, the swinging rod 51 is in an isosceles trapezoidal swinging structure, under which the swinging curve is more natural, and the feeling of swinging is more like that of a swing, and people feel more comfortable; referring to Figure 11 , it is a swinging schematic diagram of the second embodiment, that is, the swinging rod 51 is in a parallelogram swinging structure, and the swinging is relatively stable compared with the isosceles trapezoidal swinging structure.

[0073] The working principle of the embodiment is described as follows:

[0074] When the current is sequentially passed between two phases of the three-phase winding, the current flows through the coil of the three-phase winding, forming a moving magnetic field, because of the interaction between the magnetic field and the magnet group, and the magnet group cannot move, so the coil with the swinging rod swings.

[0075] The design focus of the utility model lies in:

[0076] The utility model mainly has the advantages that the arc hollow pipe and the plurality of groups of magnet groups fixed in the arc hollow pipe are arranged, the iron core is arranged, the arc winding part is arranged on the outer periphery of the arc hollow pipe, the arc winding part is provided with six winding segments, the three-phase winding is arranged on the six winding segments, the magnet group is arranged in the three-phase winding, the outer periphery of the magnet group is the acting surface, and the magnetic leakage phenomenon does not occur, and the driving efficiency is improved.

[0077] The above is only a preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification according to the technical essence of the utility model are still within the technical range of the utility model.

Claims

1. A swing driving structure applied to furniture, comprising a fixed frame, a swing frame swingable relative to the fixed frame, a driving mechanism for driving the swing frame to swing relative to the fixed frame, and a control assembly; characterized in that: the driving mechanism comprises a stator part arranged on the fixed frame and a rotor part arranged on the swing frame, one of the stator part and the rotor part comprises an arc-shaped hollow tube fixedly arranged and a plurality of groups of spaced-apart magnets fixed in the arc-shaped hollow tube, each group of magnets comprises two first magnets magnetically connected, adjacent two groups of magnets repel each other, and the other one comprises an iron core and a three-phase winding, the iron core comprises a mounting portion for mounting and an arc-shaped winding portion connected to the mounting portion and located at the outer periphery of the arc-shaped hollow tube, the arc-shaped winding portion is provided with six spaced-apart winding segments, and the three-phase winding is wound on the six winding segments respectively; the control assembly comprises a controller for driving the three-phase winding and a position sensor for detecting the swing position of the swing frame body, and the controller controls the three-phase winding according to the position information fed back by the position sensor. The swing frame has a fixed state, a free swing state and an instructed swing state; in the fixed state, the controller controls the three-phase winding to be short-circuited, in the free swing state, the controller controls the three-phase winding to be open-circuited, and in the instructed swing state, the controller receives current information fed back by the three-phase winding and then controls the current passing through the three-phase winding. The arc-shaped hollow tube is provided with two through holes arranged at a distance, the through holes are inserted with stop pins, and the plurality of groups of magnets are fixed between the two stop pins.

2. A swing drive structure for use in furniture according to claim 1, characterized in that: Adjacent two groups of magnets are provided with a spacer.

3. The swing drive structure for use in furniture according to claim 1, wherein: Both ends of the arc-shaped winding portion are provided with baffles, and adjacent winding segments are provided with partitions.

4. The swing drive structure for use in furniture according to claim 1, wherein: The position sensor is a magnetic encoder, and correspondingly, a second magnet is arranged at the rotating connection of the fixed frame body and the swing frame body, and the position sensor is arranged corresponding to the second magnet.

5. The swing drive structure for use in furniture according to claim 1, wherein: The swing frame is rotatably connected with a swing rod assembly, the other end of the swing rod assembly is rotatably connected to the fixed frame, and the rotor part is arranged on the swing rod assembly.

6. A swing drive structure for use in furniture according to claim 1, wherein: The swing rod assembly comprises four swing rods, two of the four swing rods form a group, two groups of swing rods are arranged on both sides of the swing frame, two swing rods of each group of swing rods form an isosceles trapezoidal swing structure with the swing frame and the fixed frame, and the rotor part is arranged on one of the swing rods.

7. The swing drive structure for use in furniture according to claim 1, wherein: The fixed frame comprises two first side frames arranged at a distance left and right and two first connecting rods connecting the two first side frames, the first side frame comprises a first horizontal rod and two first vertical rods, the two ends of the first horizontal rod are respectively connected to the top of the two first vertical rods through two first obliquely downward extending oblique rods, and the first connecting rod is connected to the opposite first vertical rods of the two first side frames.

8. A swing drive structure for use in furniture according to claim 7, characterized in that: ​ 9. A smart bed frame, characterized by: ​ 10. The smart bed frame of claim 9, wherein: ​ The rocking frame comprises two second side frames arranged at a left-right interval and two second connecting rods connecting the two second side frames, the second side frame comprises a second horizontal rod and two second vertical rods, two ends of the second horizontal rod are connected to the bottom of the two second vertical rods through two second oblique rods extending upward obliquely, and the second connecting rods are connected to the opposite second vertical rods of the two second side frames. Two ends of the rocking rod are rotatably connected to the first horizontal rod and the second horizontal rod, respectively.

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