CN215994761U

CN215994761U - Lifting driving structure of massage head

Info

Publication number: CN215994761U
Application number: CN202122323892.7U
Authority: CN
Inventors: 唐杰; 辛艺; 李伟
Original assignee: Chongqing Yanfeng Johnson Controls Automotive Components Co Ltd
Current assignee: Chongqing Adient Automotive Components Co Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-03-11
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a massage head lifting driving structure, a bracket assembly is assembled on an installation base body, the bracket assembly comprises a tray and a first-level guide post fixedly installed at the lower end of the tray, an annular boss is arranged at the upper end of the tray and used for positioning and supporting the massage head, the first-level guide post is assembled on the installation base body in a vertically sliding manner, and an elastic element is arranged between the tray and the installation base body and used for driving the first-level guide post to slide upwards relative to the installation base body; install the lift driving wheelset in the installation base body, this lift driving wheelset with be connected with the haulage rope between the one-level guide post, the lift driving wheelset rotates towards the direction of roll-up haulage rope, can force one-level guide post to overcome elastic element's resistance and slide downwards. The beneficial effects are that: the lifting structure of the massage head is ingenious and reasonable in design, and the massager is integrated into the backrest in a thin posture.

Description

Lifting driving structure of massage head

Technical Field

The utility model relates to a car seat massager, concretely relates to massage head lift drive structure.

Background

Whether the seat is comfortable or not has a crucial impact on the competitiveness of the car in the consumer market.

At present, for improving the driving comfort of seat, a lot of car tongue-and-groove and corresponding spare part developers have promoted the car seat of taking waist massage function, because seatback's design space is limited, the massager overall arrangement is very difficult, especially to the massager that has massage head lift adjustment function, consequently, how optimize the drive structure of massager, the lifting means of massage head and the structural configuration of massager, be relevant research and development enterprise's the technological problem that awaits the solution at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a first lift drive structure of massage, structural design is ingenious reasonable, helps the massager to realize rotating the lift integration, can integrate in the backrest with more reasonable mode.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

the utility model provides a massage head lift drive structure, includes the installation base member, its key lies in: the massage head fixing device comprises a mounting base body, a bracket assembly and a massage head, wherein the mounting base body is provided with the bracket assembly, the bracket assembly comprises a tray and a primary guide post fixedly mounted at the lower end of the tray, the upper end of the tray is provided with an annular boss for positioning and supporting the massage head, the primary guide post is vertically and slidably mounted on the mounting base body, and an elastic element is arranged between the tray and the mounting base body and used for driving the primary guide post to slide upwards relative to the mounting base body;

install the lift driving wheelset in the installation base, this lift driving wheelset with be connected with the haulage rope between the one-level guide post, the lift driving wheelset rotates towards the direction of roll-up haulage rope, can force one-level guide post to overcome elastic element's resistance and slide downwards.

By adopting the structure, the lifting driving wheel group rotates towards the direction of winding the traction rope, and the traction rope pulls the primary guide post to slide downwards, so that the tray and the massage heads connected to the tray are driven to synchronously move downwards, and the massage heads descend and retract; the lifting driving wheel set rotates towards the other direction to release the dragging force on the traction rope, and the tray and the massage head connected with the tray can ascend under the thrust action of the elastic element.

Preferably, the method comprises the following steps: the installation base member internal rotation is provided with the assembly axle, lift drive wheelset includes one-way bearing and lift drive wheel, and wherein, the fixed suit of lift drive wheel is on the upper portion of assembly axle, and the fixed suit of inner circle of one-way bearing is in the lower part of assembly axle, and the fixed suit of outer lane of one-way bearing is equipped with the assembly ring, haulage rope one end fixed connection is on the assembly ring.

Adopt above-mentioned structure, the outer lane that the lift drive wheel rotated towards a certain direction can drive one-way bearing rotates to drag the haulage rope motion, the lift drive wheel then can release to the haulage rope power of dragging towards the reversal of another direction. The one-way bearing and the elastic element are skillfully combined through the traction rope, and the massage rotation and the lifting movement of the massage head can share the same driving shaft.

Preferably, the method comprises the following steps: the lateral wall of the assembly ring is provided with an installation part protruding outwards, a hanging groove is formed in the installation part, and one end of the traction rope is connected to the hanging groove. The mounting base is internally provided with an arc-shaped groove, and the movable range of the mounting part is positioned in the arc-shaped groove. By adopting the structure, after the massage head rises to the highest position, the assembly ring can be prevented from further reversing, and the traction rope is prevented from being reversely wound.

Preferably, the method comprises the following steps: the mounting base body is provided with a primary lifting channel, the primary guide post is assembled in the primary lifting channel in a sliding mode, a mounting hole is formed in the primary guide post, and one end of the traction rope penetrates through the primary lifting channel and is fixed in the mounting hole. Adopt above-mentioned structure to with haulage rope assembly connection inside one-level guide post.

Preferably, the method comprises the following steps: and a secondary guide post is slidably sleeved between the primary lifting channel and the primary guide post. By adopting the structure, the bracket component is assembled in the mounting base body in a two-stage sliding and folding mode, and the thickness and the size of the massager are thinner under the folding state of the massage head, so that the massage device is easier to integrate and assemble into the backrest.

Preferably, the method comprises the following steps: the installation base body is provided with a guide wheel at a position corresponding to the lower end of the primary lifting channel, and the traction rope is supported on the guide wheel in a sliding manner. By adopting the structure, the product assembly is facilitated, and the smoothness of the movement of the traction rope can be ensured.

Preferably, the method comprises the following steps: the circumference of tray is provided with three the one-level guide post, wherein two one-level guide posts with all be connected with between the one-way bearing the haulage rope.

Preferably, the method comprises the following steps: guide clamping grooves matched with the traction ropes are distributed at the bottom of the mounting base body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the lifting driving wheel set and the elastic element are ingeniously combined through the traction rope, the massage head rises under the driving of the elastic element, and the massage head falls under the driving of the lifting driving wheel set to roll up the traction rope, so that the multifunctional massage machine has the technical advantages of ingenious structural design and high product feasibility.

2. The bracket component is assembled on the mounting base body in a sliding mode through the two-stage lifting structure, so that the thickness of the massager in a folded state is smaller, and the massage device is enabled to be assembled in the seat backrest more easily in an integrated mode.

3. Due to the application of the one-way bearing, the lifting function and the rotating function of the massager can be ensured to share one rotating shaft for driving, and the structural design of the massage device is effectively simplified.

Drawings

Fig. 1 is a reference view showing a state in which a massage device is applied to a seat back;

FIG. 2 is a schematic structural view of a mechanical massage device;

FIG. 3 is an exploded view of a single set of massage devices;

FIG. 4 is an exploded view of the lifting driving structure of the massage head of the present invention;

FIG. 5 is an exploded view of the lift drive wheel assembly, the mounting shaft and the mounting ring;

fig. 6 is a sectional view (raised state) reflecting the lifting structure of the massage head;

fig. 7 is a sectional view (retracted state) reflecting the elevation structure of the massage head;

fig. 8 is a schematic structural view of a lower case of the mounting base.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

The present embodiment will be described by taking an example in which the massage head elevation driving structure is applied to a mechanical massage apparatus of a seat.

As shown in fig. 1 and 2, a mechanical massage device relates to the following main components: the massage device comprises a support 13, a rotating shaft 14, a driving mechanism 15 and two groups of massagers A, wherein the two groups of massagers A are fixedly assembled on the support 13, the rotating shaft 14 is rotatably assembled on the support 13, the driving mechanism 15 is fixed at one end of the support 13 and is used for driving the rotating shaft 14 to rotate, in the implementation, the driving mechanism 15 preferably adopts a speed reduction motor, the rotating shaft 14 penetrates through the two groups of massagers A and can drive the two groups of massagers A to work together, and the support 13 is fixedly assembled at the waist position of a backrest B.

As further shown in fig. 3 and 6, the massager a relates to the following main components: the waist massage device comprises an installation base body 1, a massage head 2, a bracket component 3, an elastic element 4, a rotary driving wheel 5, a lifting driving wheel set 6, a traction rope 7, a first driving wheel 8a and a second driving wheel 8b, wherein the installation base body 1 is formed by buckling an upper shell 1n and a lower shell 1m, the rotary driving wheel 5 is rotatably installed in the installation base body 1, the massage head 2 can be assembled on the axial direction of the rotary driving wheel 5 in a vertically sliding mode and can rotate synchronously along with the rotary driving wheel 5, the first driving wheel 8a and the second driving wheel 8b are fixedly sleeved on a rotating shaft 14, the second driving wheel 8b is meshed with the rotary driving wheel 5, and after the driving mechanism 15 is started, the driving force of the driving mechanism 15 sequentially drives the massage head 2 to rotate through the rotating shaft 14 → the second driving wheel 8b → the rotary driving wheel 5, so as to massage the waist of a user.

As shown in fig. 4 and 6, the bracket assembly 3 includes a tray 3b, a first-stage guide post 3d fixedly mounted at the lower end of the tray 3b, and a second-stage guide post 3c slidably fitted over the first-stage guide post 3d, an upper housing 1n of the mounting base 1 is provided with a first-stage lifting channel 1b, the second-stage guide post 3c is slidably mounted in the first-stage lifting channel 1b, the upper end of the tray 3b is provided with an annular boss 3b1, a connecting post 2a extending downward is provided in the middle of the massage head 2, the connecting post 2a penetrates the annular boss 3b1 downward, the lower side of the massage head 2 is rotatably positioned and supported on the annular boss 3b1, and when the massager works, the massage head 2 can rotate relative to the annular boss 3b 1. In order to ensure that the massage head 2 can move up and down along with the tray 3b, the connecting column 2a is sleeved with a lock cap 2c at the position corresponding to the lower side of the tray 3 b.

The upper side of the upper casing 1n is provided with a lower annular groove 1a, and the lower side of the tray 3b is provided with an upper annular groove 3a, and in the present embodiment, the elastic element 4 is a compression spring, and the upper and lower ends thereof abut against the upper annular groove 3a and the lower annular groove 1a, respectively. The pressing spring applies an upward moving urging force to the tray 3 b.

The lifting driving wheel set 6 comprises a one-way bearing 6b and a lifting driving wheel 6a which are coaxially mounted, a traction rope 7 is connected between the one-way bearing 6b and the first-level guide post 3d, the lifting driving wheel 6a is meshed with a first driving wheel 8a, the driving mechanism 15 can drive the lifting driving wheel set 6 to reversely rotate when rotating reversely, in the process of reverse rotation, the traction rope 7 is furled by the one-way bearing 6b, and the traction rope 7 forces the bracket assembly 3 to overcome the resistance of the elastic element 4 to slide downwards, so that the massage head 2 is retracted into the backrest.

In this embodiment, the first driving wheel 8a and the second driving wheel 8b of the two sets of massagers a are all located on the same straight line and are all fixedly sleeved on the same rotating shaft 14.

As shown in fig. 6, in order to ensure that the massage head 2 can move up and down along the axial direction of the rotary driving wheel 5 and can synchronously rotate along with the rotary driving wheel 5, the embodiment provides an assembling structure between the massage head 2 and the rotary driving wheel 5, which specifically comprises:

the rotary driving wheel 5 is provided with a first central through hole 5a, a transition sleeve 9 is assembled in the first central through hole 5a in a vertically sliding manner, the transition sleeve 9 is provided with a second central through hole 9a, and a connecting column 2a at the lower end of the massage head 2 is assembled in the second central through hole 9a in a vertically sliding manner. This arrangement ensures the lifting movement of the massage head 2 in the axial direction of the rotary drive wheel 5.

Be equipped with first guide way 5b on the pore wall of first central through-hole 5a, the lower extreme of transition cover 9 is equipped with the first locating piece 9b of outside extension, and first locating piece 9b can be connected in first guide way 5b with sliding from top to bottom, is equipped with second guide way 9c on the pore wall of second central through-hole 9a, and the lower extreme of spliced pole 2a is equipped with outside second locating piece 2b who extends, and second locating piece 2b can be connected with sliding from top to bottom in the second guide way 9 c. The structural layout can ensure that the massage heads 2 rotate synchronously with the rotary driving wheel 5.

As shown in fig. 5, the specific installation structure for coaxially installing the one-way bearing 6b and the lifting driving wheel 6a is as follows: an assembly shaft 11 is rotatably arranged in the mounting base body 1, the lifting driving wheel 6a is fixedly sleeved on the upper portion of the assembly shaft 11, and an inner ring a of the one-way bearing 6b is fixedly sleeved on the lower portion of the assembly shaft 11.

As shown in fig. 4 to 7, in order to facilitate installation of the traction rope 7, an outer ring b of the one-way bearing 6b is fixedly sleeved with an assembly ring 12, a side wall of the assembly ring 12 is provided with an outward protruding installation part 12a, the installation part 12a is provided with a hanging groove 12b, and one end of the traction rope 7 is connected to the hanging groove 12 b; furthermore, a mounting hole 3e is formed in the primary guide post 3d, and the other end of the traction rope 7 penetrates through the primary lifting channel 1b and then extends into and is fixed in the mounting hole 3 e. When the pulling rope 7 is furled, in order to enable the pulling rope 7 to be wound on the assembling ring 12 more stably, a positioning groove 12c extending outwards from the hanging groove 12b is arranged on the side wall of the assembling ring 12.

As shown in fig. 4 and 8, in order to ensure that the traction rope 7 can be more conveniently assembled into the primary lifting channel 1b and the mounting hole 3e, a guide wheel 1c is arranged at a position corresponding to the lower end of the primary lifting channel 1b, and the traction rope 7 is slidably supported on the guide wheel 1 c. Furthermore, in order to fix the middle part of the traction rope 7 conveniently, guide clamping grooves 1e matched with the traction rope 7 are distributed at the bottom of the installation base body 1.

In order to make the lifting movement more stable, three primary guide posts 3d are arranged on the circumferential direction of the tray 3b, and a traction rope 7 is connected between each of the two primary guide posts 3d and the assembly ring 12.

As shown in fig. 8, an arc-shaped groove 1d is formed in the mounting base 1, the movable range of the mounting portion 12a is located in the arc-shaped groove 1d, and the first end c and the second end d of the arc-shaped groove 1d can limit the rotation range of the mounting ring 12. When the tray 3b rises to the highest position, the mounting portion 12a of the mounting ring 12 abuts against the second end d, so that the mounting ring 12 can be prevented from further reversing, and the traction rope 7 is prevented from being reversely wound.

In the present embodiment, the first driving wheel 8a and the lifting driving wheel 6a are in a worm gear and worm meshing relationship, and the second driving wheel 8b and the rotating driving wheel 5 are in a helical gear meshing relationship.

The working principle of the mechanical massage device is as follows:

1. when the massage device is closed, the massage head 2 is at the lowest position, and the traction rope 7 is partially wound on the mounting ring 12 under the self-locking action of the one-way bearing 6 b.

2. When a user needs to use the waist function, the driving mechanism 15 works in the forward direction to drive the rotating shaft 14 to rotate, the rotating shaft 14 drives the lifting driving wheel 6a to rotate anticlockwise, so that the self-locking force of the one-way bearing 6b is released, namely the holding force of the traction rope 7 is released, at the moment, the thrust of the elastic element 4 can drive the tray 3b to ascend, and the massage head 2 is enabled to ascend to the waist position of the user. At the same time, the rotating shaft 14 drives the massage head 2 to rotate through the second driving wheel 8b and the rotary driving wheel 5, thereby realizing the waist massage.

3. When a user needs to close the waist function, the driving mechanism 15 works reversely to drive the rotating shaft 14 to rotate reversely, the rotating shaft 14 rotates reversely to drive the lifting driving wheel 6a, the outer ring b of the one-way bearing 6b and the assembling ring 12 to rotate clockwise synchronously, so that the traction rope 7 is wound on the assembling ring 12, the bracket assembly 3 can be dragged to move downwards by the winding process of the traction rope 7, and the massage head 2 is retracted to the lowest position.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims

1. The utility model provides a massage head lift drive structure, includes installation base member (1), its characterized in that: the mounting base body (1) is provided with a bracket component (3), the bracket component (3) comprises a tray (3b) and a primary guide post (3d) fixedly mounted at the lower end of the tray (3b), wherein the upper end of the tray (3b) is provided with an annular boss (3b1) for positioning and supporting a massage head, the primary guide post (3d) is slidably mounted on the mounting base body (1) up and down, and an elastic element (4) is arranged between the tray (3b) and the mounting base body (1) and used for driving the primary guide post (3d) to slide upwards relative to the mounting base body (1);

install lift drive wheelset (6) in installation base member (1), this lift drive wheelset (6) with be connected with haulage rope (7) between one-level guide post (3d), lift drive wheelset (6) rotate towards the direction of roll-up haulage rope (7), can force one-level guide post (3d) to overcome the resistance lapse of elastic element (4).

2. The massage head lifting drive structure as claimed in claim 1, wherein: the installation base member (1) internal rotation is provided with assembly axle (11), lift drive wheelset (6) are including one-way bearing (6b) and lift drive wheel (6a), and wherein, the fixed suit of lift drive wheel (6a) is on the upper portion of assembly axle (11), and the fixed suit in the lower part of assembly axle (11) in inner circle (a) of one-way bearing (6b), and the fixed suit in outer lane (b) of one-way bearing (6b) has assembly ring (12), haulage rope (7) one end fixed connection is on assembly ring (12).

3. The massage head lifting drive structure as claimed in claim 2, wherein: the side wall of the assembling ring (12) is provided with an installation part (12a) protruding outwards, the installation part (12a) is provided with a hanging groove (12b), and one end of the traction rope (7) is connected to the hanging groove (12 b).

4. The massage head lifting drive structure as claimed in claim 3, wherein: be equipped with arc wall (1d) in installation base member (1), the home range of installation department (12a) is located arc wall (1 d).

5. The massage head lifting drive structure as claimed in claim 3, wherein: and a positioning groove (12c) extending outwards from the hanging groove (12b) is arranged on the side wall of the assembling ring (12).

6. The massage head lifting drive structure as claimed in claim 1, wherein: be equipped with one-level lift passageway (1b) on installation base member (1), one-level guide post (3d) assemble in one-level lift passageway (1b) with sliding, and one-level guide post (3d) inside has mounting hole (3e), one-level lift passageway (1b) is passed to haulage rope (7) one end to fix in mounting hole (3 e).

7. The massage head lifting drive structure as claimed in claim 6, wherein: a secondary guide post (3c) is slidably sleeved between the primary lifting channel (1b) and the primary guide post (3 d).

8. The massage head lifting drive structure as claimed in claim 6, wherein: the installation base body (1) is provided with a guide wheel (1c) at a position corresponding to the lower end of the primary lifting channel (1b), and the traction rope (7) is supported on the guide wheel (1c) in a sliding manner.

9. The massage head lifting drive structure as claimed in claim 2, wherein: the circumference of tray (3b) is provided with three one-level guide post (3d), wherein two one-level guide post (3d) with all be connected with between one-way bearing (6b) haulage rope (7).

10. The massage head lifting drive structure as claimed in claim 1, wherein: guide clamping grooves (1e) matched with the traction ropes (7) are distributed at the bottom of the mounting base body (1).