CN212662227U - Improved swing twisting mechanism - Google Patents

Abstract

The utility model belongs to the technical field of the massage instrument technique and specifically relates to indicate an improved generation to cervical vertebra position massage sways wrench movement mechanism, include the casing, wave the swing arm, twist the swing arm, install main shaft and the torsional pendulum drive wheel in the casing, twist the swing arm and be provided with and twist the circle, be fixed in the mounting bracket of twisting the circle and block and twist the circle pivoted and spline the device, should twist the circle activity and cup joint in the annular that deflects, wave the upper end of swing arm through round pin axle and mounting bracket pin joint, the lantern ring has been cup jointed in the activity of eccentric annular, and this lantern ring is articulated with the middle part of waveing the swing arm. The main shaft rotates under actuating mechanism's effect to drive the synchronous rotation of cam, the deflection ring groove drives and twists the action of circle doing, owing to wave the swing arm and install on twisting the swing arm, so wave the swing arm and can follow twisting the swing arm and twist in step together, wave the swing arm and push down the middle part that draws and wave the swing arm under the effect of the lantern ring, thereby realize rocking the swing arm and still realize the back and forth swing function when twisting.

Description

Improved swing twisting mechanism

Technical Field

The utility model belongs to the technical field of massage instrument technique and specifically relates to indicate an improved generation to cervical vertebra portion and shoulder massage sways wrench movement mechanism.

Background

With the development of society, the rhythm of work and life of people is faster and faster, the working pressure is higher and larger, the time for relaxing and resting is shorter and shorter, and people feel tired in body and mind over time. Particularly for people who work on a desk for a long time, the cervical vertebra is in a specific state for a long time, the neck muscles are also in an uncoordinated stress state for a long time, the muscles and ligaments at the back of the neck are easy to be pulled and strained, and the cervical spondylosis is easily caused by torsion, lateral bending and the like.

Therefore, various massagers for massaging neck and shoulders are also available in the market. However, these existing massagers are generally of a backrest type, and during massage, the massagers can be abutted against the backrest of a chair for massage by large force, so that the massager cannot be completely relaxed for massage, the massage force cannot be controlled, and the massager is relatively stiff and cannot obtain good comfort and massage effects. In addition, various core structures of carrying out the improvement to the massager have also appeared on the market, but some massage structures can only realize wrench movement, and some can only realize the swing, can not realize wrench movement and swing simultaneously, and the massage angle is relatively more single, and the massage is experienced poorly, is unfavorable for popularizing and applying.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a can realize again when realizing the luffing motion about the improved generation of wrench movement swing mechanism.

In order to solve the technical problem, the utility model discloses a following technical scheme: an improved swing and twisting mechanism comprises a shell, a swing arm, a twisting arm, a main shaft and a twisting driving wheel, wherein the main shaft and the twisting driving wheel are arranged in the shell, the twisting driving wheel comprises a cam fixedly arranged on the main shaft, a deflection ring groove arranged on the cam and an eccentric ring groove which is parallel to and closely arranged with the deflection ring groove, the included angle between the plane of the deflection ring groove and the main shaft is 95-135 degrees, and the distance between the central rotating shaft of the eccentric ring groove and the central rotating shaft of the deflection ring groove is more than 3 mm; the swing arm of turning round is provided with turns round the circle, is fixed in the mounting bracket of turning round the circle and blocks to turn round the circle pivoted spline device, should turn round the circle activity and cup joint in the annular that deflects, the upper end of rocking the swing arm is through round pin axle and mounting bracket pin joint, the lantern ring has been cup jointed in the activity of eccentric annular, and this lantern ring is articulated with the middle part of rocking the swing arm.

Preferably, the cam includes first limit wheel and second limit wheel, and this first limit wheel and second limit wheel have all been seted up the scarf and have been fixed in the runner of scarf, and the scarf of first limit wheel encloses with the wheel face of runner and establishes into and form the deflection annular, and the scarf of second limit wheel encloses with the wheel face of runner and establishes into and form eccentric annular.

Preferably, the rotation stopping device comprises a linkage column fixed on the outer wall of the twisting ring and an auxiliary block arranged on the shell, the auxiliary block is provided with a long groove, and the linkage column extends into the long groove.

Preferably, the lower end of the twisting swing arm is provided with a massage head, and the central rotating shaft of the massage head is parallel to the plane of the twisting ring.

The beneficial effects of the utility model reside in that: the utility model provides an improved generation sways wrench movement mechanism, in practical application, the main shaft rotates under actuating mechanism's effect, and drive cam synchronous rotation, the swing ring groove drives and twists the circle and do the wrench movement action, owing to wave the swing arm and install on twisting the swing arm, so wave the swing arm and can follow twisting the swing arm and twist simultaneously together, meanwhile, because the design of eccentric annular, wave the middle part that the swing arm was shaken in the effect push-pull of the lantern ring and pull-down of swing arm, thereby realize shaking the swing arm and still realize the swing function back and forth when twisting, it is more comprehensive to knead the angle, and the practicality is stronger.

Drawings

Fig. 1 is a schematic view of the improved swing-twisting mechanism of the present invention.

Fig. 2 is an exploded view of the improved swing-twisting mechanism of the present invention.

Fig. 3 is an exploded view of the improved swing-twisting mechanism of the present invention from another perspective.

Fig. 4 is a schematic view of a three-dimensional structure of the improved swing-twisting mechanism of the present invention.

Detailed Description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention.

As shown in fig. 1 to 4, an improved swing and twisting mechanism comprises a housing, a swing arm 1, a twisting arm 2, a main shaft 3 and a twisting driving wheel 4, wherein the main shaft 3 and the twisting driving wheel 4 are arranged in the housing, the twisting driving wheel 4 comprises a cam fixedly arranged on the main shaft 3, a deflection ring groove arranged on the cam and an eccentric ring groove which is parallel to and closely arranged with the deflection ring groove, an included angle between a plane where the deflection ring groove is arranged and the main shaft 3 is 108 degrees, and the distance between a central rotating shaft of the eccentric ring groove and the central rotating shaft of the deflection ring groove is more than 3 mm; twist swing arm 2 and be provided with and twist circle 21, be fixed in the mounting bracket that twists circle 21 and block to twist circle 21 pivoted rotation stopping device, this twist circle 21 activity is cup jointed in the annular that deflects, the upper end of rocking swing arm 1 is through round pin axle 11 and mounting bracket pin joint, the activity of eccentric annular has cup jointed lantern ring 12, and this lantern ring 12 is articulated with the middle part of rocking the swing arm.

Of course, the included angle between the plane of the deflecting ring groove and the main shaft 3 is 95-135 degrees, which can be selected according to the size of the product and the specific shape and size of the user.

In practical application, main shaft 3 rotates under actuating mechanism's effect, and drive the cam synchronous revolution, the deflection ring channel drives and turns round circle 21 and do the wrench movement action, owing to wave swing arm 1 and install on wrench movement swing arm 2, so wave swing arm 1 and can follow wrench movement swing arm 2 and turn round simultaneously together, meanwhile, because the design of eccentric ring channel, wave swing arm 1 and push down the middle part that draws and wave swing arm 1 under the effect of lantern ring 12, thereby realize rocking swing arm 1 and still realize the swing function back and forth in the wrench movement, it is more comprehensive to knead the angle, the travelling comfort during the massage is better, and the practicality is stronger.

In this embodiment, the cam includes a first side wheel 34 and a second side wheel 35, the first side wheel 34 and the second side wheel 35 are both provided with a chamfer 36 and a runner 37 fixed to the chamfer 36, the chamfer 36 of the first side wheel 34 and the runner 37 surround to form a deflection ring groove, and the chamfer 36 of the second side wheel 35 and the runner 37 surround to form an eccentric ring groove. The structure design of cam is that two limit wheels are closed to form, is convenient for on the one hand to install the ring 21 of turning round and lantern ring 12 in the deflection annular groove and the eccentric ring inslot of cam, and on the other hand can greatly reduced the processing degree of difficulty and the manufacturing cost of cam, and the price/performance ratio is higher.

In this embodiment, the rotation stopping device includes a linkage column 23 fixed on the outer wall of the twisting ring 21 and an auxiliary block 22 installed on the housing, the auxiliary block 22 is provided with an elongated slot 13, the linkage column 23 extends into the elongated slot 13, when the cam rotates, the rotation stopping device is designed to block the twisting swing arm 2, so as to prevent the twisting swing arm 2 from rotating along with the cam, the design of the elongated slot 13 can also realize the free twisting of the twisting swing arm 2, and the rotation stopping device has a simple structure and high reliability.

In this embodiment, the lower extreme of wrench movement swing arm 2 is provided with massage head 24, and the central pivot of this massage head 24 is parallel with the place plane of wrench movement circle 21, and when wrench movement swing arm 2 is at the wrench movement in-process, under the prerequisite of the same wrench movement range, position and the orbit of more appearance can be realized more by a wide margin to this massage head 24's mounting means removes, thereby realizes more being close the technological effect of staff massage, and experience when being applied to the neck massage feels better, and the comfort level is better.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The above-mentioned embodiments only express a plurality of embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (4)

1. Improved generation sways wrench movement mechanism, include the casing, wave swing arm (1), wrench movement swing arm (2), install main shaft (3) and twist pendulum drive wheel (4) in the casing, its characterized in that: the torsional pendulum driving wheel (4) comprises a cam fixedly arranged on the main shaft (3), a deflection ring groove arranged on the cam and an eccentric ring groove which is parallel to and closely arranged with the deflection ring groove, the included angle between the plane of the deflection ring groove and the main shaft (3) is 95-135 degrees, and the distance between the central rotating shaft of the eccentric ring groove and the central rotating shaft of the deflection ring groove is more than 3 mm; twist swing arm (2) and be provided with and twist ring (21), be fixed in the mounting bracket of twisting ring (21) and block and twist ring (21) pivoted and stop the device that changes, should twist ring (21) activity and cup joint in the annular that deflects, the upper end of rocking arm (1) is through round pin axle (11) and mounting bracket pin joint, the activity of eccentric annular has cup jointed lantern ring (12), and this lantern ring (12) is articulated with the middle part of rocking swing arm (1).

2. The improved rocking twisting mechanism of claim 1, wherein: the cam comprises a first side wheel (34) and a second side wheel (35), wherein a chamfer (36) and a rotating wheel (37) fixed on the chamfer (36) are respectively arranged on the first side wheel (34) and the second side wheel (35), the chamfer (36) of the first side wheel (34) and the wheel surface of the rotating wheel (37) are arranged in a surrounding mode to form a deflection ring groove, and the chamfer (36) of the second side wheel (35) and the wheel surface of the rotating wheel (37) are arranged in a surrounding mode to form an eccentric ring groove.

3. The improved rocking twisting mechanism of claim 1, wherein: the rotation stopping device comprises a linkage column (23) fixed on the outer wall of the twisting ring (21) and an auxiliary block (22) arranged on the shell, the auxiliary block (22) is provided with a long groove (13), and the linkage column (23) extends into the long groove (13).

4. The improved rocking twisting mechanism of claim 1, wherein: the lower end of the twisting swing arm (2) is provided with a massage head (24), and the central rotating shaft of the massage head (24) is parallel to the plane of the twisting ring (21).

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