A massage mechanism for car seats and home massage chairs

Abstract

This utility model discloses a massage mechanism for car seats and home massage chairs, relating to the field of car massage seat technology. The utility model includes an upper cover and a lower cover that engages with the upper cover. A massage head assembly is disposed between the upper and lower covers. The massage head assembly includes a massage cover with a massage ring. Two bearings are mounted on the massage ring, and massage heads are mounted on the bearings. The massage heads are rotatably fitted within the massage cover. Two springs are sleeved on the outer side of the massage ring. Because the axial positioning protrusions of the ribs on the outer side of the massage ring engage with the axial positioning grooves of the ribs on the inner side of the brace, the massage head assembly, while rotating with the brace, can move vertically up and down due to axial positioning constraints. This allows the massage heads to form a composite motion trajectory of "rotation + reciprocating pressing," reducing the limitations of airbag pushing or single mechanical rotation massage modes and enabling diverse massage techniques such as kneading and pounding.

Description

Technical Field

[0001] This utility model belongs to the field of car massage seats, specifically, it relates to a massage mechanism for a car seat or a home massage chair. Background Technology

[0002] With the improvement of people's living standards and the development of automotive technology, people have increasingly higher requirements for the comfort of car seats. Car seats have evolved from a simple component to a more complex component with higher precision requirements. The function of car seats has gradually expanded, no longer limited to providing a good driving and riding posture.

[0003] Car seats and home massage chairs can easily cause fatigue during prolonged use. Currently, most massage chairs on the market use a pushing massage method with pure airbag linear reciprocating motion. This massage mode has significant shortcomings; not only is the massage effect weak, but the techniques are also limited, failing to meet users' needs for a comfortable massage experience. Another common method is a mechanical rotary massage method where the massage heads rely on a worm gear mechanism for lifting and lowering. This type of massage head depends on the worm gear mechanism for operation. In the event of a collision or other emergency, the massage head requires an electronic control command to reset, making instantaneous reset impossible. In such situations, if the driver is injured and subjected to prolonged pressure from the massage head, further injury is highly likely, posing a significant safety hazard.

[0004] To address these shortcomings, a massage mechanism for car seats and home massage chairs is proposed. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a massage mechanism for car seats and home massage chairs.

[0006] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0007] A massage mechanism for a car seat and a home massage chair includes an upper cover and a lower cover that snaps into the upper cover, with a massage head assembly disposed between the upper cover and the lower cover;

[0008] The massage head assembly includes a massage cover, a massage ring on the massage cover, two bearings on the massage ring, and massage heads on the bearings. The massage heads are rotatably fitted inside the massage cover, and two springs are sleeved on the outer side of the massage ring.

[0009] Optionally, a motor is provided inside the lower cover, and each of the two output ends of the motor is provided with an output shaft, and the output shaft is provided with a thread.

[0010] Optionally, a toothed sleeve is provided between the upper cover and the lower cover, and the toothed sleeve is provided with a toothed ring that engages with the thread.

[0011] Optionally, the massage ring is movably disposed within the braces, the braces having an axial positioning groove for the ribs, and the massage ring having an axial positioning protrusion for the ribs, the axial positioning protrusion being engaged within the axial positioning groove for the ribs.

[0012] Optionally, a first wear-resistant ring is provided between the massage head assembly and the lower cover, and a second wear-resistant ring is provided between the massage head assembly and the upper cover.

[0013] Optionally, an air bag is provided inside the massage ring, the bottom of the air bag is provided through the lower cover, and a wear-resistant plate is screwed between the air bag and the massage ring.

[0014] Optionally, the lower cover has multiple through holes, and a first screw is disposed in each through hole. The upper cover has multiple first threaded holes, and one end of the first screw is threaded into the first threaded hole.

[0015] Optionally, the massage cover has a second through hole, a second screw is provided in the second through hole, and the massage ring has a second threaded hole, with one end of the second screw threaded into the second threaded hole.

[0016] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all of the following advantages at the same time:

[0017] The massage head assembly has a massage ring inside that is mounted with a freely rotating massage head via two bearings. Two springs on the outside of the ring provide elastic support. When the motor and the dental brace are started, the thread of the motor output shaft engages with the dental brace gear ring, causing the dental brace to rotate circumferentially. As the axial positioning protrusion of the rib on the outside of the massage ring engages with the axial positioning groove of the rib on the inside of the dental brace, the massage head assembly can move up and down in the vertical direction while revolving with the dental brace. This allows the massage head to form a composite motion trajectory of "rotation + reciprocating pressing", reducing the limitations of the massage mode of air bag pushing or single mechanical rotation, and realizing diversified massage techniques such as kneading and pounding.

[0018] The bottom of the air bag inside the massage ring passes through the lower cover. It is fixed to the massage ring by a second screw and has a wear-resistant plate to reduce friction loss during inflation and deflation. During normal operation, the air pressure generated by the inflation of the air bag overcomes the elastic force of the spring and pushes the massage head assembly to rise and contact the human body. In case of emergency such as a vehicle collision, the air bag is quickly deflated through the conventional pump valve control system. The massage head assembly, which loses air pressure support, instantly resets under the elastic restoring force of the spring. This reduces the continuous pressure of the massage head on the driver and passengers and reduces the delay problem of existing worm gear driven massage heads requiring electronic control commands to reset, thus improving safety performance.

[0019] The first and second wear-resistant rings respectively set between the massage head assembly and the lower and upper covers can reduce frictional loss during relative movement of the components. The rib positioning structure of the dental brace and massage ring not only ensures movement guidance, but also achieves axial rotation limit through the anti-rotation design at the semi-circle of the spring, so that the entire mechanism maintains stability in compound movement, taking into account both massage effect and service life.

[0020] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0021] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings:

[0022] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model;

[0023] Figure 2 This is a cross-sectional structural diagram of an embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of the component structure according to an embodiment of the present utility model. Figure 1 ;

[0025] Figure 4 This is a schematic diagram of the massage head assembly structure according to an embodiment of the present invention;

[0026] Figure 5 This is a schematic diagram of the component structure according to an embodiment of the present utility model. Figure 2 .

[0027] The attached diagram lists the components represented by each number as follows:

[0028] 1. Upper cover, 2. Lower cover, 3. Through hole, 4. First threaded hole, 5. First screw, 6. Motor, 7. Air bag, 8. Wear-resistant plate, 9. First wear-resistant ring, 11. Spring, 12. Second wear-resistant ring, 13. Dental brace, 14. Massage head assembly, 14. Massage ring, 1401. Massage cover, 1402. Bearing, 1403. Massage head, 1404. Second screw, 1405.

[0029] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings.

[0031] Please see Figure 1-5 As shown, this embodiment provides a massage mechanism for a car seat and a home massage chair, including an upper cover 1 and a lower cover 2 that snaps into the upper cover 1, with a massage head assembly 14 disposed between the upper cover 1 and the lower cover 2.

[0032] The massage head assembly 14 includes a massage cover 1402, a massage ring 1401 on the massage cover 1402, two bearings 1403 on the massage ring 1401, and a massage head 1404 on the bearings 1403. The massage head 1404 is rotatably fitted inside the massage cover 1402. Two springs 11 are sleeved on the outside of the massage ring 1401. The two springs 11 have a stronger spring force, and the axial rotation limit is also stopped by the semicircle of the spring 11.

[0033] Specifically, during the massage operation, the air bag 7 is inflated and expanded by a conventional pump valve. The resulting air pressure overcomes the elastic force of the two springs 11 sleeved on the outside of the massage ring 1401, pushing the massage head assembly 14 upward as a whole. At the same time, the motor 6 inside the lower cover 2 starts to rotate, and the output shafts at its two output ends rotate accordingly. The threads on the output shafts mesh with the gear rings on the dental sleeve 13 set between the upper cover 1 and the lower cover 2, causing the dental sleeve 13 to rotate circumferentially. Since the axial positioning protrusion of the rib on the outside of the massage ring 1401 is locked in the axial positioning groove of the rib on the inside of the dental sleeve 13, this positioning structure allows the massage ring 1401 to move up and down in the vertical direction while revolving with the dental sleeve 13, which is restricted by axial positioning. This causes the massage head assembly 14 to achieve a compound motion of "circumferential rotation + axial reciprocating".

[0034] Specifically, the massage head assembly 14 has a massage ring 1401 mounted on a massage head 1404 via a bearing 1403. The massage head 1404 can rotate freely within the massage cover 1402. When the massage ring 1401 revolves and moves up and down with the dental brace 13, the massage head 1404 revolves and moves up and down with the overall structure, and rotates on its own via the bearing 1403, thereby producing a combined massage effect of rotational pressing and reciprocating pushing on the human body. In addition, the first wear-resistant ring 9 between the massage head assembly 14 and the lower cover 2, and the second wear-resistant ring 12 between the massage head assembly 14 and the upper cover 1 can reduce frictional wear between components and extend the service life of the mechanism.

[0035] When the massage stops, the air bag 7 releases air through the pump valve system, causing the internal air pressure to drop and the spring 11 to lose its supporting force. At this time, the two springs 11 push the massage head assembly 14 downward to reset by their elastic restoring force. The bottom of the air bag 7 is set through the lower cover 2, and the wear-resistant plate 8 is fixed between it and the massage ring 1401 by the second screw 1405. This can reduce friction during the inflation and deflation of the air bag 7 and ensure smooth movement. The inflation and deflation of the air bag 7 is controlled by a conventional pump valve system. The specific control circuit or structure will not be described in detail here.

[0036] like Figure 1-5 As shown, in this embodiment, a motor 6 is installed inside the lower cover 2. Both output ends of the motor 6 are provided with output shafts, and the output shafts are threaded. A toothed sleeve 13 is provided between the upper cover 1 and the lower cover 2. The toothed sleeve 13 has a toothed ring that meshes with the thread. A massage ring 1401 is movably installed inside the toothed sleeve 13. An axial positioning groove for the ribs is provided inside the toothed sleeve 13. An axial positioning protrusion for the ribs is provided on the massage ring 1401, and the axial positioning protrusion is engaged within the axial positioning groove. A first wear-resistant ring 9 is provided between the massage head assembly 14 and the lower cover 2, and a second wear-resistant ring 9 is provided between the massage head assembly 14 and the upper cover 1. The second wear-resistant ring 12 and the massage ring 1401 have an air bag 7 inside. The bottom of the air bag 7 passes through the lower cover 2. A wear-resistant plate 8 is screwed between the air bag 7 and the massage ring 1401. The lower cover 2 has multiple through holes 3, and a first screw 5 is installed in each of the through holes 3. The upper cover 1 has multiple first threaded holes 4. One end of the first screw 5 is threaded into the first threaded hole 4. The massage cover 1402 has a second through hole, and a second screw 1405 is installed in the second through hole. The massage ring 1401 has a second threaded hole, and one end of the second screw 1405 is threaded into the second threaded hole.

[0037] The massage head assembly 14 has a massage ring 1401 inside the massage head assembly 14 with a freely rotating massage head 1404 installed through two bearings 1403. Two springs 11 on the outside of the massage head assembly 14 provide elastic support. When the motor 6 and the dental sleeve 13 are started, the thread of the output shaft of the motor 6 meshes with the tooth ring of the dental sleeve 13, causing the dental sleeve 13 to rotate circumferentially. As the axial positioning protrusion of the rib on the outside of the massage ring 1401 is inserted into the axial positioning groove of the rib on the inside of the dental sleeve 13, the massage head assembly 14 can move up and down in the vertical direction while rotating with the dental sleeve 13, which is restricted by axial positioning. This makes the massage head 1404 form a composite motion trajectory of "rotation + reciprocating pressing", which reduces the limitation of the massage mode of the air bag 7 pushing or single mechanical rotation, and realizes diversified massage techniques such as kneading and pounding.

[0038] The bottom of the air bag 7 inside the massage ring 1401 passes through the lower cover 2. A wear-resistant plate 8 is fixed between the air bag 7 and the massage ring 1401 by a second screw 1405, which can reduce frictional loss during inflation and deflation. During normal operation, the air pressure generated by the inflation of the air bag 7 overcomes the elastic force of the spring 11 and pushes the massage head assembly 14 to rise and contact the human body. In case of emergency such as vehicle collision, the air bag 7 deflates quickly through the conventional pump valve control system. The massage head assembly 14, which loses air pressure support, instantly resets under the elastic restoring force of the spring 11, reducing the continuous pressure of the massage head 1404 on the driver and passengers, reducing the delay problem of existing worm gear driven massage heads requiring electronic control commands to reset, and improving safety performance.

[0039] The first wear-resistant ring 9 and the second wear-resistant ring 12 respectively set between the massage head assembly 14 and the lower cover 2 and the upper cover 1 can reduce frictional loss when the parts move relative to each other. The rib positioning structure of the dental brace 13 and the massage ring 1401 not only ensures the movement guidance, but also achieves axial rotation limit through the anti-rotation design at the semi-circle of the spring 11, so that the whole mechanism maintains stability in compound movement, taking into account both massage effect and service life.

[0040] This utility model is not limited to the above-described embodiments. Anyone should know that structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model. Technical aspects, shapes, and structures not described in detail in this utility model are all publicly known technologies.

Claims

1. A massage mechanism for a car seat or a home massage chair, comprising: The upper cover (1) and the lower cover (2) that engage with the upper cover (1) are characterized in that a massage head assembly (14) is provided between the upper cover (1) and the lower cover (2). The massage head assembly (14) includes a massage cover (1402), a massage ring (1401) is provided on the massage cover (1402), two bearings (1403) are provided on the massage ring (1401), and a massage head (1404) is provided on the bearing (1403). The massage head (1404) is rotatably fitted inside the massage cover (1402), and two springs (11) are sleeved on the outside of the massage ring (1401).

2. The massage mechanism of a car seat and a home massage chair according to claim 1, characterized in that, A motor (6) is provided inside the lower cover (2). Both output ends of the motor (6) are provided with output shafts, and the output shafts are provided with threads.

3. The massage mechanism of a car seat and a home massage chair according to claim 2, characterized in that, A toothed sleeve (13) is provided between the upper cover (1) and the lower cover (2), and a toothed ring that engages with the thread is provided on the toothed sleeve (13).

4. The massage mechanism of a car seat or a home massage chair according to claim 3, characterized in that, The massage ring (1401) is movably disposed within the brace (13). The brace (13) is provided with a rib axial positioning groove. The massage ring (1401) is provided with a rib axial positioning protrusion. The rib axial positioning protrusion is engaged within the rib axial positioning groove.

5. The massage mechanism of a car seat and a home massage chair according to claim 1, characterized in that, A first wear-resistant ring (9) is provided between the massage head assembly (14) and the lower cover (2), and a second wear-resistant ring (12) is provided between the massage head assembly (14) and the upper cover (1).

6. The massage mechanism of a car seat and a home massage chair according to claim 1, characterized in that, An air bag (7) is provided inside the massage ring (1401). The bottom of the air bag (7) passes through the lower cover (2). A wear-resistant plate (8) is screwed between the air bag (7) and the massage ring (1401).

7. The massage mechanism of a car seat and a home massage chair according to claim 1, characterized in that, The lower cover (2) has multiple through holes (3), and a first screw (5) is provided in the through hole (3). The upper cover (1) has multiple first threaded holes (4), and one end of the first screw (5) is threaded into the first threaded hole (4).

8. The massage mechanism of a car seat and a home massage chair according to claim 1, characterized in that, The massage cover (1402) has a second through hole, and a second screw (1405) is provided in the second through hole. The massage ring (1401) has a second threaded hole, and one end of the second screw (1405) is threaded into the second threaded hole.

Images