CN221308756U - Waist massage mechanism and seat - Google Patents

Abstract

The utility model discloses a waist massage mechanism and a seat, wherein the waist massage mechanism comprises a waist pillow and a vibration component, the waist pillow comprises an inner frame, the inner frame defines an installation cavity, the vibration component comprises a vibrator capable of generating vibration and a flexible piece, the vibrator is provided with a bearing surface, the bearing surface is used for bearing the waist of a user, the vibrator is installed on the waist pillow through the flexible piece, and a projection formed by part of the flexible piece is positioned between a cavity wall of the installation cavity and a projection formed by the vibrator; the seat includes a lumbar massage mechanism. When the user leans on the lumbar pillow, the bearing face bearing user waist transmits vibrations to massage towards the user waist through the bearing, and bearing face roughness is high, can not cause the damage to the user waist, and the flexible piece warp by the pressure that the user applyed to the self-adaptation parcel user waist, flexible piece and bearing face agree with user waist form more, can improve the comfort level when using, can not cause the damage to the user waist.

Description

Waist massage mechanism and seat

Technical Field

The utility model relates to the technical field of office chairs, in particular to a waist massage mechanism and a chair.

Background

In the related art, a massage mechanism is added on an office chair, and the user is office and massages through the massage mechanism to relieve fatigue, for example, a waist massage mechanism simulates the massage effect of a human hand through the rotation of a massage claw, the massage claw rotates and acts on the waist of the user when the massage is needed, and the massage claw still props against the waist of the user when the massage is not needed, so that the waist muscle injury is even caused.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the waist massage mechanism provided by the utility model can improve the comfort level of use and reduce the damage.

The utility model also provides a seat with the waist massaging mechanism.

A lumbar massage mechanism according to an embodiment of the first aspect of the present utility model includes:

the waist pillow comprises an inner frame, wherein the inner frame defines an installation cavity;

The vibration assembly comprises a vibrator capable of generating vibration and a flexible piece with flexibility, at least part of the vibrator is accommodated in the installation cavity, the vibrator is provided with a bearing surface, the bearing surface is used for bearing the waist of a user, the vibrator is installed on the lumbar pillow through the flexible piece, the part of the vibrator is located between the cavity wall of the installation cavity and the projection formed by the vibrator along the bearing direction of the bearing surface.

The waist massaging mechanism provided by the embodiment of the utility model has at least the following beneficial effects:

According to the utility model, when a user leans on the lumbar pillow, the bearing surface bears the waist of the user, the vibration is transmitted to the waist of the user through the bearing surface to massage the waist of the user, the bearing surface has high flatness, the waist of the user cannot be damaged, the flexible piece deforms under the pressure applied by the user and is self-adaptively wrapped around the waist of the user, the flexible piece and the bearing surface are more matched with the shape of the waist of the user, the comfort level in use can be improved, and the waist of the user cannot be damaged.

According to some embodiments of the utility model, the vibrator is mounted in the middle of the flexible member, and the ends of the flexible member are connected to the lumbar pillow.

According to some embodiments of the utility model, the lumbar pillow further comprises an outer frame, the outer frame has a receiving portion and a mounting portion, the mounting portion is connected to a side of the receiving portion facing the bearing direction, the inner frame and the flexible member are both connected to the mounting portion, and the receiving portion is recessed away from the bearing surface with respect to the mounting portion.

According to some embodiments of the utility model, the outer frame further comprises a bridge portion connected between the mounting portion and the accommodating portion, and a portion of the flexible member is located on a front side of the bridge portion in the supporting direction and is capable of abutting against the bridge portion.

According to some embodiments of the utility model, the vibrator comprises a vibrator body, a power component and a cover, wherein the flexible component, the cover, the power component and the vibrator body are sequentially arranged along the bearing direction and are mutually connected, and the bearing surface is arranged on the vibrator body.

According to some embodiments of the utility model, the vibrator comprises a vibrator body and a flexible layer having flexibility, the flexible layer is disposed on a side of the vibrator body facing a bearing direction, and the bearing surface is disposed on the flexible layer.

According to some embodiments of the utility model, the lumbar massage mechanism further comprises an elastic body elastically stretchable in the bearing direction, the elastic body being connected to a side of the lumbar pillow facing away from the bearing surface.

A seat according to an embodiment of the second aspect of the present utility model includes:

A chair back;

the waist massage mechanism of the embodiment of the first aspect is arranged on the chair back.

According to some embodiments of the utility model, the seat further comprises a mounting bracket and a thrust assembly, at least one of the lumbar support and the shock assembly being mounted to the mounting bracket, the thrust assembly being coupled to the mounting bracket and configured to drive movement and/or rotation of the mounting bracket.

According to some embodiments of the utility model, the device further comprises a controller communicatively connected to the thrust assembly and configured to switch an operating state of the thrust assembly;

Wherein the chair further comprises an armrest connected to the chair back, and the controller is mounted on the armrest; or the controller is independent of the chair back.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of one embodiment of a lumbar massage mechanism of the present utility model;

FIG. 2 is a schematic view of one embodiment of the vibration assembly of FIG. 1;

FIG. 3 is an exploded view of the vibration assembly of FIG. 2;

FIG. 4 is an exploded view of the lumbar massage mechanism of FIG. 1;

FIG. 5 is a schematic view of one embodiment of a seat of the present utility model;

FIG. 6 is a schematic illustration of the cooperation of the thrust assembly, mounting bracket and lumbar massage mechanism;

FIG. 7 is a schematic view of the thrust assembly in various operating conditions.

Reference numerals:

Lumbar massage mechanism 100, lumbar pillow 110, inner frame 111, mounting cavity 112, outer frame 113, receiving portion 1131, mounting portion 1132, bridge 1133, vibration assembly 120, vibrator 121, vibrator body 1211, power element 1212, cover 1213, positioning post 1214, shock absorber 1215, flexible member 122, bearing surface 1221, elastomer 130; a chair back 200; a mounting bracket 300; thrust assembly 400, pushrod 410; a controller 500; an armrest 600.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

For ease of understanding, some terms in the present application are explained as follows:

in the application, the front side, the back side and the bearing direction are all based on the use state of the waist massage mechanism or the chair, the side facing the human body is the front, the side facing away from the human body is the back, and the front and back directions are the same as the approximate extending direction of the bearing direction, so that a certain included angle is allowed between the front and back directions; when the waist massage mechanism is arranged in the seat, and the waist massage mechanism is positioned at the center of the seat, the bearing direction is parallel to the front-back direction, and when the waist massage mechanism is not arranged in the center of the seat, the bearing direction has a certain included angle with the front-back direction.

Referring to fig. 1 to 4, the lumbar massage mechanism 100 includes a lumbar pillow 110 and a vibration assembly 120, the lumbar pillow 110 being used for leaning on the back of a user and supporting the user, the lumbar pillow 110 including an inner frame 111, the inner frame 111 having a hollow interior and defining a mounting cavity 112, the vibration assembly 120 including a vibrator 121 capable of generating vibration and a flexible member 122 having flexibility, at least a portion of the vibrator 121 being accommodated in the mounting cavity 112 and being exposed from the front side of the mounting cavity 112, the vibrator 121 having a supporting surface 1221, the supporting surface 1221 being used for supporting the waist of the user, the vibration being transmitted to the waist of the user through the supporting surface 1221 when the vibrator 121 generates vibration, and massaging the waist of the user. The vibrator 121 is indirectly installed on the lumbar pillow 110 through the flexible piece 122, along the bearing direction of the bearing surface 1221, the projection formed by part of the flexible piece 122 is located between the cavity wall of the installation cavity 112 and the projection formed by the vibrator 121, so that in the radial direction of the inner frame 111, a gap exists between the vibrator 121 and the cavity wall of the installation cavity 112, the vibrator 121 can freely float in the installation cavity 112 due to the flexibility of the flexible piece 122, when a user leans on the lumbar pillow 110, the bearing surface 1221 bears the waist of the user, the flexible piece 122 deforms due to the pressure applied by the user and adaptively wraps the waist of the user, on one hand, the bearing surface 1221 of the vibrator 121 always provides bearing function for the waist of the user, and when vibration occurs, the waist of the user is massaged, the bearing surface 1221 is high in flatness, damage to the waist of the user is avoided, and on the other hand, the flexible piece 122 and the bearing surface 1221 are more suitable for the waist of the user with different body types and the requirements of the waist of the user on the waist are met, and damage to the user is avoided.

In the present utility model, the supporting surface 1221 transmits vibration to the waist of the user to massage, the supporting surface 1221 is flat, the supporting area of the waist of the user is large, and soft supporting function and massage force are provided for the waist of the user, compared with the massage mode by rotating the massage claws, the massage device does not have the situation of excessively extruding the waist of the user locally, and the damage to the waist of the user can be prevented. In addition, since the lumbar pillow 110 and the vibrator 121 are flexibly connected through the flexible member 122, the flexible member 122 can buffer vibration transmitted from the vibrator 121 to the lumbar pillow 110 and reduce vibration noise of the vibrator 121.

The front side of inside casing 111 still covers the screen cloth, and the edge connection of screen cloth is in inside casing 111, and the screen cloth is whole to be the state of tightening to can produce certain deformation, the screen cloth can follow the pressure deformation that the user applyed when the user leaned on waist pillow 110, and supports user's waist, and waist pillow 110 is higher to the parcel degree of user's waist, comfort level when can improving the user and lean on waist pillow 110. Vibrator 121 is located the rear side of screen cloth, and under the elasticity effect of flexible piece 122, the bearing face 1221 of vibrator 121 hugs closely the rear side of screen cloth, provides support and vibrations massage to the user through the screen cloth. It should be noted that, in order to clearly show the vibration assembly 120, the screen cloth is hidden in the drawings of the present application.

It is appreciated that the bearing surface 1221 may be configured as a planar surface, or as a curved surface having a small arc, a curved surface having a degree of curvature, etc., so that the bearing surface 1221 more conforms to the shape of the waist of the user and better bears the waist of the user. Of course, the support surface 1221 may be provided as a contoured surface according to the shape of the waist of the user.

The flexible member 122 may be made of silica gel, rubber, etc., so that the flexible member 122 has a certain elasticity and provides a pulling force to the massager, so that when the user leans against the lumbar support 110, the bearing surface 1221 of the massager can cling to the waist of the user, so as to bear the waist of the user and provide vibration massage to the waist of the user.

The flexible member 122 may be configured as a belt structure, the vibrator 121 is connected to the middle of the flexible member 122, and the end of the flexible member 122 is connected to the lumbar support 110, so that when a user leans against the lumbar support 110, the flexible member 122 is adaptively deformed, and both the flexible member 122 and the vibrator 121 can be tightly attached to the waist of the user. Specifically, both ends of the flexible member 122 are connected with the lumbar pillow 110, the vibrator 121 is installed in the middle of the flexible member 122, and when the vibrator 121 is extruded by the waist of the user, the flexible member 122 is driven to deform, and the flexible member 122 wraps the waist of the user; or the flexible parts 122 are provided with a plurality of, one end of each flexible part 122 is connected with the lumbar pillow 110, the other end is connected with the vibrator 121, when the vibrator 121 is extruded by the waist of a user, all the flexible parts 122 deform synchronously and wrap the waist of the user together, and the flexible parts 122 can be distributed along the circumferential direction of the vibrator 121 at intervals. In a specific embodiment, the flexible member 122 is configured as a belt, two ends of the flexible member 122 are respectively connected to two opposite side portions of the lumbar pillow 110, the vibrator 121 is mounted in the middle of the flexible member 122, the flexible member 122 extends along the horizontal direction, when a user leans against the lumbar pillow 110, the vibrator 121 supports the waist of the user, the flexible member 122 can wrap the waist of the user at different positions, the area where the flexible member 122 is located is more matched with the position of the waist of the user, and the belt-shaped flexible member 122 is provided with a relatively flat plane to cling to the waist of the user, so that wrapping force on the waist of the user is higher.

In other embodiments, the flexible member 122 is configured in a planar structure, the vibrator 121 is mounted in the middle of the flexible member 122, the edge of the flexible member 122 is connected to the lumbar pillow 110, or the flexible member 122 is configured in a ring-shaped structure, the inner side of the flexible member 122 is connected to the vibrator 121, and the outer side of the flexible member 122 is connected to the lumbar pillow 110. The area of the flexible member 122 exposed between the vibrator 121 and the wall of the mounting cavity 112 can be closely attached to the waist or back of the user, and the area of the bearing surface 1221 of the user is large, so that stable support can be provided for the user.

Further, the vibrator 121 includes a vibrator body 1211 and a flexible layer having flexibility, the flexible layer is disposed on one side of the vibrator body 1211 facing the bearing direction, and a surface of the flexible layer facing the bearing direction is a bearing surface 1221, i.e. a front surface of the flexible layer is the bearing surface 1221. Because the flexible layer has certain flexibility, and is softer, and when bearing face 1221 bearing user's waist, the user's waist hugs closely softer bearing face 1221, consequently, whether the user need massage, the vibrator 121 acts on the strength of user's waist all softer, and the flexible band has certain elasticity simultaneously to can follow user's waist shape and warp, flexible piece 122 wraps up user's waist jointly with vibrator 121, has higher comfort level. It can be appreciated that the flexible layer may be disposed on the surface of the vibrator 121 by bonding or wrapping, and the flexible layer may be made of flexible materials such as soft silica gel and foam.

It will be appreciated that the inner frame 111 may be configured as a closed ring structure, so as to tightly press the mesh to the inner frame 111, and form the mounting cavity 112 on the inner side of the inner frame 111, the flexible member 122 should be connected to the rear side of the vibrator 121, so that the vibrator 121 may be closer to the front end of the inner frame 111, so that the vibrator 121 may be tightly attached to the waist of the user to provide a supporting effect and vibration massage, the edge or the end of the flexible member 122 away from the vibrator 121 may be directly connected to the inner frame 111, and the flexible member 122 should be connected to the rear side of the inner frame 111, so as to avoid the vibrator 121 protruding excessively toward the front side of the inner frame 111, which results in excessive pressing force provided by the vibrator 121 to the waist of the user, and affect the supporting and massage comfort.

The lumbar pillow 110 further includes an outer frame 113, and an inner frame 111 positioned at a front side of the outer frame 113 and connected to the outer frame 113 to improve structural strength of the lumbar pillow 110. To facilitate the installation of the flexible member 122, in one embodiment, the end of the flexible member 122 is fixed to the front side of the outer frame 113 such that the flexible member 122 is positioned at the rear side of the inner frame 111, and the vibrator 121 protrudes to the front side at the rear side of the inner frame 111 due to the front and rear penetration of the installation cavity 112 and is partially accommodated in the installation cavity 112.

Specifically, the outer frame 113 has a receiving portion 1131 and an installation portion 1132, the installation portion 1132 is connected to one side of the receiving portion 1131 facing the bearing direction, that is, the installation portion 1132 is located at the front side of the receiving portion 1131, the inner frame 111 and the flexible member 122 are both connected to the installation portion 1132, the receiving portion 1131 is recessed relative to the installation portion 1132 facing away from the bearing surface 1221, and the vibrators 121 connected to the middle of the flexible member 122 and the installation portion 1132 are distributed along the bearing direction. When a user leans against the lumbar support 110, the vibrator 121 is floated in the bearing direction under the pressure applied by the user, and because the mounting portion 1132 is recessed backward, a larger movable space can be provided in the bearing direction for the vibrator 121 to float freely, so that the vibrator 121 has a larger movable range in the bearing direction, so as to adapt to the use requirements of users with different sizes. The end portion of the flexible member 122 is fastened to the mounting portion 1132 by screw fastening, bonding, or the like.

Further, since the vibrator 121 is mounted at the middle of the flexible band, the inner diameter of the mounting portion 1132 is larger than the outer diameter of the receiving portion 1131, the mounting portion 1132 is located at the outer side of the receiving portion 1131, so that the mounting portion 1132 can be connected with the inner frame 111, and the concave region of the receiving portion 1131 is just located on the floating path of the vibrator 121, so that the vibrator 121 can float freely.

In addition, the outer frame 113 further includes a bridge portion 1133, the bridge portion 1133 is connected between the mounting portion 1132 and the accommodating portion 1131, so that the inner diameter of the bridge portion 1133 is larger than the outer diameter of the accommodating portion 1131, the inner diameter of the mounting portion 1132 is larger than the outer diameter of the bridge portion 1133, and the accommodating portion 1131 is connected to the mounting portion 1132 through the bridge portion 1133; the bridging portion 1133 may be annular and surrounds the outer side of the accommodating portion 1131, or the bridging portion 1133 is provided with a plurality of bridging portions and is distributed along the outer periphery of the accommodating portion 1131 at intervals, so as to reduce the overall weight of the waist support, the mounting portion 1132, the bridging portion 1133 and the accommodating portion 1131 are integrally connected, and the outer frame 113 may be integrally formed by injection molding.

The end of the flexible member 122 is connected to the mounting portion 1132, so that a portion of the flexible member 122 is located at the front side of the bridging portion 1133 in the bearing direction, when a user leans against the lumbar pillow 110, the flexible member 122 is pressed by the waist of the user to deform backwards and can abut against the bridging portion 1133, the bridging portion 1133 provides support for the flexible member 122, the flexible member 122 is tightened, the vibrator 121 is tightly attached to the waist of the user, excessive deformation of the flexible member 122 is avoided, and the vibrator 121 is not tightly attached to the waist of the user, so that the massage effect is affected.

Referring to fig. 2 and 3, the vibrator 121 includes a vibrator body 1211, a power element 1212, and a cover 1213, the power element 1212 providing power for vibration of the vibrator body 1211, the power element 1212 may be a motor or other power element capable of generating vibration, and in some embodiments, the power element 1212 is configured to generate pulsed vibration to enhance comfort during massage by a user. The flexible member 122, the cover 1213, the power component 1212 and the vibrator body 1211 are arranged along the bearing direction and are connected to each other so as to form the vibrator 121 together, the cover 1213 and the vibrator body 1211 cooperate to clamp the power component 1212, so that the power component 1212 is fixed, and the bearing surface 1221 is disposed on the front surface of the vibrator body 1211.

The vibrator body 1211 is provided with a positioning post 1214 on the rear side, and the cover 1213 has a first through hole that can be fitted over the positioning post 1214, and the flexible member 122 has a second through hole that can be fitted over the positioning post 1214. When the vibrator 121 is assembled, the power component 1212 is placed on the rear side of the vibrator body 1211, the cover 1213 and the flexible member 122 are sequentially inserted into the positioning column 1214, and a threaded fastener is locked into the end of the positioning column 1214, so that the cover 1213 and the flexible member 122 are fixed on the rear side of the vibrator body 1211, and the power component 1212 is clamped between the vibrator body 1211 and the cover 1213. Further, a limiting structure for limiting the power component 1212 is provided on the vibrator body 1211 and/or the cover 1213, and the limiting structure matches the shape of the power component 1212 to prevent the power component 1212 from being deviated relative to the vibrator body 1211 or the cover 1213 during operation; the limit structure may be a plurality of limit posts distributed at intervals, the limit posts are arranged on the periphery of the power component 1212, or the limit structure is configured as a slot body, and the power component 1212 can be installed in the slot body.

The vibrator 121 further includes a shock absorbing member 1215, the shock absorbing member 1215 being wrapped around the outer surface of the power member 1212, and being co-fixed between the vibrator body 1211 and the cover 1213 following the power member 1212. The shock absorbing member 1215 can reduce collision with the vibrator body 1211 and the cover 1213 during vibration of the power element 1212, reduce friction, and have a sound absorbing effect. The shock absorbing member 1215 may be made of foam, glass wool, or the like having a porous structure.

The lumbar massage mechanism 100 further comprises an elastic body 130, wherein the elastic body 130 can elastically stretch and retract along the bearing direction, and the elastic body 130 is connected to one side of the lumbar pillow 110 facing away from the bearing surface 1221. Specifically, the elastic body 130 is connected to the rear side of the accommodating portion 1131, when the user leans against the lumbar pillow 110, the pressure towards the rear is applied to the lumbar pillow 110, at this time, the elastic body 130 is compressed, when the user is far away from the lumbar pillow 110, the stress on the lumbar pillow 110 disappears, and the elastic body 130 returns to the initial state, so that the lumbar pillow 110 can elastically change according to the backward force applied by the user and float in the front-rear direction, and the requirements of users of different sizes and the use when the user leans against the lumbar pillow 110 in different sitting postures can be met.

Referring to fig. 5, the present utility model further provides a seat, including the lumbar massage mechanism 100, and further including a seat back 200, wherein the lumbar massage mechanism 100 is mounted on the front side of the seat back 200 and is positioned at the middle lower portion of the seat back 200, and when a user leans backward while using the seat, the lumbar massage mechanism 100 supports the lumbar of the user, and when the user needs to perform massage, the vibration assembly 120 works and provides vibration to the lumbar of the user via the support surface 1221 by the vibrator 121, so that the lumbar of the user is relaxed.

Referring to fig. 6, the seat further includes a mounting bracket 300 and a thrust assembly 400, at least one lumbar support 110 and at least one vibration assembly 120 are mounted on the mounting bracket 300, the thrust assembly 400 is connected with the mounting bracket 300 and is used for driving the mounting bracket 300 to move and/or rotate, and the lumbar support 110 and the vibration assembly 120 move along with the movement of the mounting bracket 300 so as to change the positions of the lumbar support 110 and the vibration assembly 120, so that the lumbar support 110 and the vibration assembly 120 meet the use requirements of users with different body types and massage the different positions of the lumbar of the users.

In one embodiment, the mounting bracket 300 is provided with two lumbar pillows 110 and two vibration assemblies 120, each lumbar pillow 110 is provided with one vibration assembly 120, and the two lumbar pillows 110 are arranged along the left-right direction, so that the massage requirements of the left and right sides of the waist of the user can be considered, and the massage range is larger. The mounting bracket 300 can move along at least one direction, so that the mounting bracket 300 has a larger moving range, the thrust assembly 400 can be selected as a multi-shaft module, for example, the mounting bracket 300 can move left and right and can lift along the height direction under the driving of the thrust assembly 400; or in other embodiments, the mounting bracket 300 can rotate relative to the chair back 200 to adjust the orientation of the front side of the lumbar pillow 110 and the direction of support.

Specifically, referring to fig. 7, the pushing assembly 400 includes a push rod 410, one end of the push rod 410 is connected to the chair back 200, the other end is rotatably connected to the rear side of the lumbar pillow 110, the rotational connection position of the push rod 410 and the lumbar pillow 110 is located at the lower portion of the lumbar pillow 110, the upper portion of the lumbar pillow 110 is rotatably connected to the chair back 200, and the push rod 410 can push the lumbar pillow 110 to rotate relative to the rotational connection position of the lumbar pillow 110 and the chair back 200. When the push rod 410 is extended, the lumbar pillow 110 is rotated upward, the lumbar pillow 110 is lifted, the support surface 1221 is rotated upward, and when the push rod 410 is retracted, the lumbar pillow 110 is rotated downward, the lumbar pillow 110 is lowered, and the support surface 1221 is rotated downward. By driving the push rod 410 to stretch and retract, the lumbar pillow 110 rotates relative to the chair back 200, the lumbar pillow 110 is lifted and lowered, the bearing direction is changed, the lumbar pillow 110 can adapt to different sitting postures of users, and the users can lean against the lumbar pillow 110 in comfortable postures and are massaged by the vibration component 120. The left side of fig. 7 shows the position of the lumbar pillow 110 when the push rod 410 is retracted, and the right side of fig. 7 shows the position of the lumbar pillow 110 when the push rod 410 is extended.

The seat further includes a controller 500, where the controller 500 is communicatively connected to the thrust assembly 400 and is used for switching the working state of the thrust assembly 400, for example, the controller 500 receives a signal given by a user and sends an instruction to the thrust assembly 400 to drive the lumbar support 110 to rotate, and when the lumbar support 110 rotates to a position required by the user, the thrust assembly 400 stops driving and the lumbar support 110 is stationary, so that the thrust assembly 400 can be switched between the working state and the non-working state. The communication connection between the controller 500 and the thrust assembly 400 is not limited to be implemented by means of wires, wifi, infrared, bluetooth, etc.

Further, the chair further comprises an armrest 600 connected to the chair back 200, the controller 500 is mounted on the armrest 600, a user can adjust the thrust state of the thrust component 400 and the rotation angle of the lumbar pillow 110 in a sitting posture state by operating the controller 500, so that the position of the lumbar pillow 110 meets the leaning demand of the user, and the controller 500 is convenient to adjust. In some embodiments, the controller 500 is provided as a control panel with control buttons, the control panel is mounted on the upper surface of the armrest 600, or the controller 500 is provided as a touch screen with buttons for a user to control by touch.

In other embodiments, the controller 500 is used as a separate component from the chair back 200, i.e. the user can take the controller 500 and control the controller 500 in a state of holding the controller 500, so that the thrust assembly 400 drives the lumbar pillow 110 to rotate, and the user does not need to lift or lean on to change the position of the lumbar pillow 110, so that the remote control is more convenient.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model. Furthermore, embodiments of the utility model and features of the embodiments may be combined with each other without conflict.

Claims (10)

1. Waist massage mechanism, its characterized in that includes:

the waist pillow comprises an inner frame, wherein the inner frame defines an installation cavity;

The vibration assembly comprises a vibrator capable of generating vibration and a flexible piece with flexibility, at least part of the vibrator is accommodated in the installation cavity, the vibrator is provided with a bearing surface, the bearing surface is used for bearing the waist of a user, the vibrator is installed on the lumbar pillow through the flexible piece, the part of the vibrator is located between the cavity wall of the installation cavity and the projection formed by the vibrator along the bearing direction of the bearing surface.

2. The lumbar massage mechanism of claim 1, wherein the vibrator is mounted in a middle portion of the flexible member, and an end portion of the flexible member is connected to the lumbar pillow.

3. The lumbar massage mechanism of claim 1, further comprising an outer frame having a receiving portion and a mounting portion, the mounting portion being connected to a side of the receiving portion facing the bearing direction, the inner frame and the flexible member both being connected to the mounting portion, the receiving portion being recessed away from the bearing surface relative to the mounting portion.

4. The lumbar massage mechanism of claim 3, wherein the outer frame further includes a bridging portion connected between the mounting portion and the receiving portion, and a portion of the flexible member is located on a front side of the bridging portion in the supporting direction and is capable of abutting against the bridging portion.

5. The lumbar massage mechanism of claim 1, wherein the vibrator comprises a vibrator body, a power member and a cover, the flexible member, the cover, the power member and the vibrator body are sequentially arranged in the bearing direction and are connected to each other, and the bearing surface is disposed on the vibrator body.

6. The lumbar massage mechanism of claim 1, wherein the vibrator comprises a vibrator body and a flexible layer having flexibility, the flexible layer being disposed on a side of the vibrator body facing a bearing direction, the bearing surface being disposed on the flexible layer.

7. The lumbar massage mechanism of claim 1, further comprising an elastomer that is elastically stretchable in a bearing direction, the elastomer being attached to a side of the lumbar pillow facing away from the bearing surface.

8. A seat, comprising:

A chair back;

The lumbar massage mechanism of any one of claims 1-7 mounted to the chair back.

9. The seat of claim 8, further comprising a mounting bracket and a thrust assembly, at least one of the lumbar support and at least one of the shock assemblies being mounted to the mounting bracket, the thrust assembly being coupled to the mounting bracket and configured to drive movement and/or rotation of the mounting bracket.

10. The seat of claim 9, further comprising a controller in communication with the thrust assembly for switching the operational state of the thrust assembly;

Wherein the chair further comprises an armrest connected to the chair back, and the controller is mounted on the armrest; or the controller is independent of the chair back.