A waist support cushion

Abstract

This utility model discloses a rhythmic lumbar support cushion, comprising a cushion portion, a connecting portion, and a backrest connected in sequence. The rear end face of the backrest forms an arcuate groove, and a vibration device is connected to the arcuate groove. The vibration device includes a vibration motor, an eccentric block, and a housing. The vibration motor and eccentric block are located within the housing, and the eccentric block is connected to the output shaft of the vibration motor. When the vibration motor operates, its output shaft drives the eccentric block to rotate at high speed. The eccentric block generates centrifugal force during high-speed rotation, and the vibration motor generates reciprocating vibration due to the reaction force, transmitting the vibration to the housing and the backrest. When a person's back rests against the backrest, their back can feel the vibration. This vibration of the backrest provides vibration-assisted relaxation to the back and waist, further relieving pressure and fatigue in the back and waist.

Description

Technical Field

[0001] This utility model relates to the field of furniture, specifically to a rhythmic lumbar support cushion. Background Technology

[0002] A lumbar support seat cushion is a functional cushion specifically designed to support the lower back, maintain or improve posture, thereby relieving lumbar pressure and fatigue. It is an important auxiliary tool for protecting lumbar health in modern office, study, and driving scenarios where people sit for long periods of time. Patent CN218355276U discloses a lumbar support and posture correction seat cushion, which includes a seat cushion, a connecting part, and a backrest connected in sequence. The seat cushion, connecting part, and backrest are a one-piece injection-molded structure. While the backrest in the aforementioned patent can support the lower back and maintain or improve posture, it does not provide any additional relaxation for the lower back and back. Utility Model Content

[0003] This utility model provides a rhythmic lumbar support cushion, the main purpose of which is to overcome the problem that the backrest of existing lumbar support cushions cannot provide auxiliary relaxation for the waist and back.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A rhythmic lumbar support cushion includes a cushion portion, a connecting portion, and a backrest connected in sequence. The rear end face of the backrest forms an arcuate groove, and a vibration device is connected to the arcuate groove. The vibration device includes a vibration motor, an eccentric block, and a housing. The vibration motor and the eccentric block are located inside the housing, and the eccentric block is connected to the output shaft of the vibration motor.

[0006] Furthermore, the front end of the backrest is provided with a cushion, and the cushion is provided with multiple massage protrusions.

[0007] Furthermore, a first connecting plate is provided at the arcuate groove, the box body is detachably connected to the first connecting plate, and the box body is provided with a handle.

[0008] Furthermore, the rear end face of the first connecting plate is provided with a plurality of first magnetic attraction parts, and the front end face of the box is provided with a plurality of second magnetic attraction parts, each first magnetic attraction part corresponding to a second magnetic attraction part and being magnetically connected to each other.

[0009] Furthermore, the front end face of the box body is provided with two sets of symmetrical slots, each slot including a left slot and a right slot that are interconnected. The height of the right slot is less than the height of the left slot. A second connecting plate is provided at the arc groove. The rear end face of the second connecting plate is provided with two sets of symmetrical hooks, each set of hooks corresponding to a set of slots. The hooks are hooked into the right slot.

[0010] Furthermore, the backrest is provided with an upper through hole and a lower through hole, and the box body is connected to the backrest by a first strap, which passes through the upper through hole and the lower through hole.

[0011] Furthermore, the backrest is provided with an upper through hole and a lower through hole, the outer periphery of the box is provided with a rear clamp, the front end face of the backrest is provided with a front clamp, the top and bottom of the front clamp are respectively located in the upper through hole and the lower through hole, and the top and bottom of the front clamp are respectively connected to the top and bottom of the rear clamp by a first bolt.

[0012] Furthermore, the backrest is provided with a left through hole and a right through hole, and the box body is connected to the backrest by a second strap, which passes through the left through hole and the right through hole.

[0013] Furthermore, the backrest is provided with an upper through hole, a left through hole and a right through hole, and the box body is connected to the backrest by a third strap and a fourth strap. The third strap passes through the upper through hole and the left through hole, and the fourth strap passes through the upper through hole and the right through hole.

[0014] Furthermore, the box body is locked to the backrest by multiple second bolts.

[0015] Furthermore, a third connecting plate is connected to the rear end of the seat cushion. The connecting part is a folding member, which is connected between the third connecting plate and the bottom of the backrest.

[0016] As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages: When the vibration motor is working, its output shaft drives the eccentric block to rotate at high speed. When the eccentric block rotates at high speed, it generates centrifugal force. The vibration motor generates reciprocating vibration due to the reaction force and transmits the vibration to the box and the backrest. When people's backs are against the backrest, people's backs can feel the vibration. At this time, the vibration of the backrest can provide vibration assistance to relax people's back and waist, further relieving the pressure and fatigue of the back and waist. Attached Figure Description

[0017] Figure 1 This is a structural diagram of Embodiment 1 of the present utility model.

[0018] Figure 2 This is a structural diagram of Embodiment 1 of the present invention from another angle.

[0019] Figure 3 This is an exploded view of the structure of Embodiment 1 of this utility model.

[0020] Figure 4 This is an exploded view of the structure of Embodiment 1 of this utility model from another angle.

[0021] Figure 5 This is an exploded view of the structure of the vibration device according to Embodiment 1 of this utility model.

[0022] Figure 6 This is a structural diagram of Embodiment 2 of the present invention.

[0023] Figure 7 This is an exploded view of the structure of Embodiment 2 of this utility model.

[0024] Figure 8 This is a structural diagram of the vibration device according to Embodiment 2 of this utility model.

[0025] Figure 9 This is an exploded view of the structure of the vibration device according to Embodiment 2 of this utility model.

[0026] Figure 10 This is a structural diagram of Embodiment 3 of the present invention.

[0027] Figure 11 This is a structural diagram of Embodiment 3 of this utility model from another angle.

[0028] Figure 12 This is a structural diagram of Embodiment 4 of the present invention.

[0029] Figure 13 This is a structural diagram of Embodiment 4 of this utility model from another angle.

[0030] Figure 14 This is a structural diagram of Embodiment 5 of the present invention.

[0031] Figure 15 This is a structural diagram of Embodiment 5 of this utility model from another angle.

[0032] Figure 16 This is a structural diagram of Embodiment Six of this utility model.

[0033] Figure 17 This is a structural diagram of Embodiment Six of this utility model from another angle.

[0034] Figure 18 This is a structural diagram of Embodiment Seven of the present utility model.

[0035] Figure 19 This is a structural diagram of Embodiment Seven of this utility model from another angle.

[0036] Figure 20 This is a structural diagram of Embodiment 8 of the present utility model.

[0037] Figure 21 This is a structural diagram of Embodiment 8 of the present invention from another angle. Detailed Implementation

[0038] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0039] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0040] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Example 1

[0041] Reference Figure 1 , Figure 2 and Figure 5 A rhythmic lumbar support cushion includes a cushion portion 1, a connecting portion 2, and a backrest 3 connected in sequence. In this embodiment, the cushion portion 1, the connecting portion 2, and the backrest 3 are integrally formed. A circular arc groove is formed on the rear end face of the backrest 3, and a vibration device 4 is connected to the circular arc groove. The vibration device 4 includes a vibration motor 41, an eccentric block 42, and a housing 43. The vibration motor 41 and the eccentric block 42 are located inside the housing 43, and the eccentric block 42 is connected to the output shaft of the vibration motor 41. In this embodiment, the vibration motor 41 is a dual-output shaft motor, and two eccentric blocks 42 are symmetrically arranged, with each eccentric block 42 connected to the dual output shaft of the vibration motor 41.

[0042] Reference Figure 1 , Figure 2 and Figure 5The front end of the backrest 3 is provided with a cushion 31, and the cushion 31 has multiple massage protrusions 32. When the vibration motor 41 is working, its output shaft drives the eccentric block 42 to rotate at high speed. The eccentric block 42 generates centrifugal force when rotating at high speed, and the vibration motor 41 generates reciprocating vibration due to the reaction force, and transmits the vibration to the box body 43 and the backrest 3. When a person's back is against the backrest 3, the person's back can feel the vibration. At this time, the vibration of the backrest 3 can provide vibration assistance and relaxation to the person's back and waist, further relieving pressure and fatigue in the back and waist. At the same time, when the backrest 3 vibrates, the multiple massage protrusions 32 can massage the back.

[0043] Reference Figures 2 to 5 The arc-shaped groove is provided with a first connecting plate 5, and the box body 43 is detachably connected to the first connecting plate 5. The box body 43 is provided with a handle 44. The rear end face of the first connecting plate 5 is provided with multiple first magnetic suction parts 51, and the front end face of the box body 43 is provided with multiple second magnetic suction parts 45. Each first magnetic suction part 51 corresponds to one second magnetic suction part 45 and they are magnetically connected to each other. In this embodiment, the arc-shaped groove is provided with multiple first connecting posts 33, and the first connecting plate 5 is connected to multiple first connecting posts 33 by multiple screws. The box body 43 is connected to the first connecting plate 5 by magnetic attraction, so that the box body 43 can be removed from the first connecting plate 5. When the box body 43 is removed from the first connecting plate 5, the hand grip 44 can be used to use the vibration device 4 as a dumbbell-like exercise machine to exercise the arm.

[0044] Reference Figure 5 The housing 43 contains a battery 46, a control circuit board 47, and a charging interface 48. A control button 49 is mounted on the housing 43. The battery 46, charging interface 48, and control button 49 are all electrically connected to the control circuit board 47. The battery 46 supplies power to the control circuit board 47 and the vibration motor 41. The charging interface 48 charges the battery 46. The control button 49 controls the start and stop of the vibration motor 41. Alternatively, the control circuit board 47 may also have a wireless receiving module to receive remote control signals to control the start and stop of the vibration motor 41. Example 2

[0045] Reference Figures 6 to 9The specific implementation method of this embodiment is basically the same as that of Embodiment 1, except that: the front end face of the box body 43 is provided with two sets of symmetrical slots 40, each set of slots 40 consisting of two slots 40 arranged left and right. Each slot 40 includes a left slot 401 and a right slot 402 that are interconnected. The height of the right slot 402 is less than the height of the left slot 401. A second connecting plate 6 is provided at the arc groove. Specifically, multiple second connecting posts 34 are provided at the arc groove. The second connecting plate 6 is connected to the second connecting posts 34 by multiple bolts. The rear end face of the second connecting plate 6 is provided with two sets of symmetrical hooks 61, each set of hooks 61 consisting of two hooks 61 arranged left and right. Each set of hooks 61 corresponds to a set of slots 40. The hooks 61 hook into the right slot 402. When the second connecting plate 6 and the box body 43 are connected, the hooks 61 are first inserted into the left slot 40, and then the box body 43 is moved to the left so that the hooks 61 hook into the right slot 402. It should be noted that in this embodiment, the shape of the box 43 is slightly different from that in Embodiment 1, but the working principle of the vibration device 4 is the same. Example 3

[0046] Reference Figure 10 and Figure 11 The specific implementation of this embodiment is basically the same as that of Embodiment 1, except that: the backrest 3 is provided with an upper through hole 35 and a lower through hole 36, and the box body 43 is connected to the backrest 3 by a first strap 7, which passes through the upper through hole 35 and the lower through hole 36. Specifically, the outer periphery of the box body 43 is provided with a groove 431, one end of the first strap 7 is fixedly connected to a first buckle 71, the other end of the first strap 7 wraps around the groove 431, and passes through the lower through hole 36 and the upper through hole 35 in sequence. The first strap 7 is provided with Velcro, and the other end of the first strap 7 passes through the lower through hole 36 and the upper through hole 35, then passes through the first buckle 71, and is finally fixed by Velcro. In this embodiment, the shape of the box body 43 is slightly different from that of the box body 43 in Embodiment 1, but the working principle of the vibration device 4 is the same. Example 4

[0047] Reference Figure 12 and Figure 13The specific implementation method of this embodiment is basically the same as that of Embodiment 3, except that: the backrest 3 is provided with an upper through hole 35 and a lower through hole 36, the outer periphery of the box body 43 is provided with a rear clamp 8, and the front end face of the backrest 3 is provided with a front clamp 9. The top and bottom of the front clamp 9 are located in the upper through hole 35 and the lower through hole 36, respectively. The top and bottom of the front clamp 9 are connected to the top and bottom of the rear clamp 8 by the first bolt 10, respectively. The rear clamp 8 is adapted to the groove 431. After the front clamp 9 and the rear clamp 8 are connected by the bolt 10, the rear clamp 8 can hold the groove surface of the groove 431. Example 5

[0048] Reference Figure 14 and Figure 15 The specific implementation method of this embodiment is basically the same as that of embodiment three, except that: the backrest 3 is provided with a left through hole 37 and a right through hole 38, and the box body 43 is connected to the backrest 3 by a second strap 11, which passes through the left through hole 37 and the right through hole 38. In this embodiment, the shape of the box body 43 is slightly different from that of the box body 43 in embodiment three. The box body 43 has a recessed groove 432. One end of the second strap 11 is fixedly connected to a second buckle 111, which is located in the middle of the recessed groove 432. The other end of the second strap 11 passes through the left through hole 37 and the right through hole 38 along the left half of the recessed groove 432, and then passes through the second buckle 111 along the right half of the recessed groove 432. The second strap 11 is provided with Velcro, and the other end of the second strap 11 passes through the second buckle 111 and is fixed to the second strap 11 by Velcro. In this embodiment, the shape of the box 43 is slightly different from that of the box 43 in Embodiment 3, but the working principle of the vibration device 4 is the same. Example 6

[0049] Reference Figure 16 and Figure 17The specific implementation method of this embodiment is basically the same as that of Embodiment 5, except that: the backrest 3 is provided with an upper through hole 35, a left through hole 37, and a right through hole 38. The box body 43 is connected to the backrest 3 by a third strap 12 and a fourth strap 13. The third strap 12 passes through the upper through hole 35 and the left through hole 37, and the fourth strap 13 passes through the upper through hole 35 and the right through hole 38. The box body 43 has a recessed groove 432, and a through gap 433 is provided in the recessed groove 432. One end of the third strap 12 is fixedly connected to a third buckle 121. The other end of the third strap 12 passes through the gap 433, the upper through hole 35, and the left through hole 37 in sequence, and then passes through the third buckle 121. The third buckle 121 is provided with Velcro. The other end of the third strap 12 passes through the third buckle 121 and is fixed to the third strap 12 by Velcro. One end of the fourth strap 13 is fixedly connected to the fourth buckle 131. The other end of the fourth strap 13 passes through the gap 433, the upper through hole 35 and the right through hole 38 in sequence and then passes through the fourth buckle 131. The fourth buckle 131 is provided with Velcro. The other end of the third strap 13 passes through the fourth buckle 131 and is fixed to the fourth strap 13 by Velcro. Example 7

[0050] Reference Figure 18 and Figure 19 The specific implementation method of this embodiment is basically the same as that of embodiment four. The difference is that the box body 43 is locked to the backrest 3 by two second bolts 14. Specifically, the outer periphery of the box body 43 is provided with a groove 431, and the groove 431 is provided with a rear clamp 8. The two second bolts 14 pass through the backrest 3 and then pass through the upper and lower ends of the rear clamp 8 respectively, and finally are locked with nuts. Example 8

[0051] Reference Figure 20 and Figure 21 The specific implementation of this embodiment is basically the same as any of the embodiments one to eight, except that: a third connecting plate 15 is connected to the rear end of the seat cushion 1, and the connecting part 2 is a folding member, which is connected between the third connecting plate 15 and the bottom of the backrest 3. The folding member is an existing structure, and its specific structure will not be described in detail here. The seat cushion 1 and the backrest 3 are connected by the folding member, so that the seat cushion 1 can be folded relative to the backrest 3, which can reduce the packaging volume during packaging.

[0052] The above are merely specific embodiments of this utility model, but the design concept of this utility model is not limited thereto. Any non-substantial modifications made to this utility model using this concept shall be considered as an infringement of the protection scope of this utility model.

Claims

1. A beat waist support seat cushion comprising a seat cushion portion, a connecting portion, and a backrest portion connected in this order, characterized in that: The rear end face of the backrest has an arc-shaped groove, and a vibration device is connected to the arc-shaped groove. The vibration device includes a vibration motor, an eccentric block, and a housing. The vibration motor and the eccentric block are located inside the housing, and the eccentric block is connected to the output shaft of the vibration motor.

2. A percussive lumbar support seat cushion as claimed in claim 1 wherein: The front surface of the backrest is provided with a cushion, and the cushion is provided with multiple massage protrusions.

3. A percussive lumbar support seat cushion as claimed in claim 1, wherein: A first connecting plate is provided at the arc-shaped groove, and the box body is detachably connected to the first connecting plate. The box body is provided with a handle.

4. A percussive lumbar support seat cushion as claimed in claim 3 wherein: The rear end face of the first connecting plate is provided with a plurality of first magnetic attraction parts, and the front end face of the box is provided with a plurality of second magnetic attraction parts. Each first magnetic attraction part corresponds to a second magnetic attraction part and they are magnetically connected to each other.

5. A percussive lumbar support seat cushion as claimed in claim 1, wherein: The front end face of the box is provided with two sets of symmetrical slots, each of which includes a left slot and a right slot that are connected to each other. The height of the right slot is less than the height of the left slot. A second connecting plate is provided at the arc groove. The rear end face of the second connecting plate is provided with two sets of symmetrical hooks, each set of hooks corresponding to a set of slots. The hooks are hooked into the right slot.

6. The rhythmic lumbar support cushion as described in claim 1, characterized in that: The backrest has an upper through hole and a lower through hole, and the box body is connected to the backrest by a first strap, which passes through the upper through hole and the lower through hole.

7. The rhythmic lumbar support cushion as described in claim 1, characterized in that: The backrest has an upper through hole and a lower through hole. The outer periphery of the box body has a rear clamp. The front end face of the backrest has a front clamp. The top and bottom of the front clamp are located in the upper through hole and the lower through hole, respectively. The top and bottom of the front clamp are connected to the top and bottom of the rear clamp, respectively, by a first bolt.

8. The rhythmic lumbar support cushion as described in claim 1, characterized in that: The backrest has a left through hole and a right through hole, and the box is connected to the backrest by a second strap, which passes through the left through hole and the right through hole.

9. The rhythmic lumbar support cushion as described in claim 1, characterized in that: The backrest is provided with an upper through hole, a left through hole and a right through hole. The box body is connected to the backrest by a third strap and a fourth strap. The third strap passes through the upper through hole and the left through hole, and the fourth strap passes through the upper through hole and the right through hole.

10. The rhythmic lumbar support cushion as described in claim 1, characterized in that: The box body is locked to the backrest by multiple second bolts.

11. The rhythmic lumbar support cushion as described in claim 1, characterized in that: A third connecting plate is connected to the rear end of the seat cushion. The connecting part is a folding piece, which is connected between the third connecting plate and the bottom of the backrest.

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