CN112353624A - Guide rail structure and massage armchair - Google Patents

Abstract

The invention relates to the technical field of massage chairs, in particular to a guide rail structure and a massage chair, which comprise a second guide rail section and a third guide rail section which are movably connected with each other, wherein an arc structure for a second machine core guide wheel arranged outside to smoothly pass through is formed at the joint of the second guide rail section and the third guide rail section, so that the machine core guide wheel can stably reciprocate in a variable-angle guide rail while the angle is changed in the variable-angle guide rail, and the massage function of a massage machine core can be ensured to be stably implemented.

Description

Guide rail structure and massage armchair

Technical Field

The invention relates to the technical field of massage chairs, in particular to a guide rail structure and a massage chair.

Background

The traditional massage chair has the advantages that the L-shaped guide rail of the traditional massage chair realizes the massage of the movement from the head to the hip, the angle between the back and the seat of the whole backrest is of a fixed L-shaped type, a user can only experience the massage in a posture with a fixed angle, the angle between the back and the seat cannot be adjusted, a human body cannot be well stretched, and the comfort is not enough; the structure that prior art scheme was realizing sitting portion and back angle modulation can't realize the core and follow the whole massage of seat portion from the back.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a guide rail structure and massage armchair for in variable angle guide rail, when the angle changes, make the reciprocal walking in variable angle guide rail of core leading wheel can be steady, ensure that the massage core can steadily implement the massage function.

In order to solve the above technical problems, a first technical solution adopted by the present invention is:

the utility model provides a guide rail structure, includes second guide rail section and third guide rail section of mutual swing joint, and the junction of second guide rail section and third guide rail section forms the arc structure that a second core leading wheel that supplies the peripheral hardware passes through smoothly.

The second technical scheme adopted by the invention is as follows:

a massage chair comprises a base and a chair frame, wherein the chair frame comprises two guide rail structures, and the two guide rail structures are symmetrically arranged on the base.

The invention has the beneficial effects that:

through setting up mutual swing joint's second guide rail section and third guide rail section, and the junction of second guide rail section and third guide rail section forms the arc structure that a second core leading wheel that supplies the peripheral hardware passes through smoothly, can realize like this in variable angle guide rail, when the angle changes for the reciprocal walking in variable angle guide rail that the core leading wheel can be steady, ensures that the massage core can steadily implement the massage function.

Drawings

Fig. 1 is a schematic structural view of a guide rail structure and a massage chair according to the present invention;

FIG. 2 is a schematic view of a track structure and massage chair according to the present invention;

FIG. 3 is a schematic view of a track structure and massage chair according to the present invention;

FIG. 4 is an enlarged view at C of FIG. 3 of a track structure and massage chair according to the present invention;

FIG. 5 is a schematic view of a flare configuration of a rail configuration according to the present invention;

FIG. 6 is a side view schematic of the track configuration and massage chair of FIG. 1 in accordance with the present invention;

FIG. 7 is a cross-sectional view B-B of FIG. 6 of a track configuration and massage chair according to the present invention;

FIG. 8 is a side view schematic of the track configuration and massage chair of FIG. 2 in accordance with the present invention;

FIG. 9 is a side view schematic of the track configuration and massage chair of FIG. 3 in accordance with the present invention;

FIG. 10 is a schematic structural view of a second embodiment of a guide rail structure according to the present invention;

fig. 11 is a schematic structural view of a third embodiment of a guide rail structure according to the present invention;

fig. 12 is a schematic structural view of a third embodiment of a guide rail structure according to the present invention;

FIG. 13 is a front view of the structure of FIG. 10 illustrating one rail structure according to the present invention;

FIG. 14 is a cross-sectional view A-A of FIG. 13 of a rail configuration according to the present invention;

description of reference numerals:

1. a first guide rail section; 11. a transition port;

2. a second guide rail section; 21. a second arcuate segment; 211. a first limit groove; 22. a third arc segment; 23. a transition arc segment; 24. a convex strip; 25. a first walking curved surface;

3. a third guide rail section; 31. a first arcuate segment; 311. an upper side; 312. a lower side; 313. axial end face sides; 32. a second limit groove; 33. a second walking curved surface;

4. a first core guide wheel;

5. a second movement guide wheel; 51. a groove;

6. a base.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1, a technical solution provided by the present invention:

the utility model provides a guide rail structure, includes second guide rail section and third guide rail section of mutual swing joint, and the junction of second guide rail section and third guide rail section forms the arc structure that a second core leading wheel that supplies the peripheral hardware passes through smoothly.

From the above description, the beneficial effects of the present invention are:

through setting up mutual swing joint's second guide rail section and third guide rail section, and the junction of second guide rail section and third guide rail section forms the arc structure that a second core leading wheel that supplies the peripheral hardware passes through smoothly, can realize like this in variable angle guide rail, when the angle changes for the reciprocal walking in variable angle guide rail that the core leading wheel can be steady, ensures that the massage core can steadily implement the massage function.

Furthermore, the arc-shaped structure comprises a first arc-shaped section and a second arc-shaped section, the first arc-shaped section is connected with one end, close to the second guide rail section, of the third guide rail section, the second arc-shaped section is connected with one end, close to the third guide rail section, of the second guide rail section, the circle center, where the section trajectory line of the second arc-shaped section is located, coincides with the circle center, where the section trajectory line of the first arc-shaped section is located, a first limiting groove matched with the first arc-shaped section is arranged on the second arc-shaped section, and the first arc-shaped section is inserted into the first limiting groove and is in sliding connection with the first limiting groove.

Furthermore, the number of the first arc-shaped sections is two, the number of the second arc-shaped sections is two, one end of the second guide rail section, which is close to the third guide rail section, is connected with a third arc-shaped section, the third arc-shaped section is located between the two second arc-shaped sections, a second limit groove matched with the third arc-shaped section is arranged between the first arc-shaped sections, and the third arc-shaped section is inserted in the second limit groove and is connected with the second limit groove in a sliding manner.

Furthermore, one end of the first arc-shaped section, which is far away from the third guide rail section, is bent towards the direction far away from the guide wheel of the second movement.

According to the above description, the structure of the bell mouth is formed by bending the end, away from the third guide rail section, of the first arc-shaped section towards the direction away from the guide wheel of the second movement, the design of the bell mouth structure can ensure that the guide wheel of the second movement is relatively stable and passes through the overlapping part, and the stable transition of the guide wheel of the second movement can be ensured.

Furthermore, a raised line is arranged on the second guide rail section along the rolling direction of the second machine core guide wheel, a groove matched with the raised line is formed in the second machine core guide wheel, and the raised line is connected in the groove in a clamped mode.

According to the above description, the second movement guide wheel is provided with the groove and the raised line arranged on the second guide rail section to ensure axial limitation, so that the second movement guide wheel can stably reciprocate in the variable-angle guide rail, and the massage function of the massage movement can be stably implemented.

Furthermore, a first walking curved surface for rolling of the second movement guide wheel is arranged on the second guide rail section, a second walking curved surface for rolling of the second movement guide wheel is arranged on the third guide rail section, and the width of the curved surface of the second movement guide wheel is larger than or equal to the sum of the widths of the first walking curved surface and the second walking curved surface.

According to the above description, by adopting the structure, the second machine core guide wheel can be ensured to stably reciprocate in the variable-angle guide rail, and the massage machine core can be ensured to stably implement the massage function.

The first guide rail section is fixedly connected with the second guide rail section, and a transition structure for the first machine core guide wheel of the peripheral equipment to pass through smoothly is formed at the joint of the first guide rail section and the second guide rail section.

Furthermore, the transition structure comprises a transition arc-shaped section, the transition arc-shaped section is connected with one end, close to the first guide rail section, of the second guide rail section, and a transition port matched with the transition arc-shaped section is formed in one end, connected with the second guide rail section, of the first guide rail section.

According to the description, by the arrangement of the structure, when the first machine core guide wheel travels to the transition position, the first machine core guide wheel can smoothly transition between the first guide rail section and the second guide rail section by means of the arc-shaped end surface of the transition arc-shaped section, and the phenomena of jumping, string and blocking can be avoided.

Furthermore, the end surface of the first machine core guide wheel, which is contacted with the first guide rail section, is a spherical surface.

According to the description, when the first machine core guide wheel designed in a spherical surface passes through the first transition position, the spherical surface end surface can naturally transition between the first guide rail section and the second guide rail section, and the phenomena of jumping, string and blocking are avoided.

Referring to fig. 1, another technical solution provided by the present invention:

a massage chair comprises a base and a chair frame, wherein the chair frame comprises two guide rail structures, and the two guide rail structures are symmetrically arranged on the base.

From the above description, the beneficial effects of the present invention are:

through setting up mutual swing joint's second guide rail section and third guide rail section, and the junction of second guide rail section and third guide rail section forms the arc structure that a second core leading wheel that supplies the peripheral hardware passes through smoothly, can realize like this in variable angle guide rail, when the angle changes for the reciprocal walking in variable angle guide rail that the core leading wheel can be steady, ensures that the massage core can steadily implement the massage function.

Referring to fig. 1 to 9, a first embodiment of the present invention is:

referring to fig. 1, 2, 3, 8 and 9, a guide rail structure includes a secondguide rail section 2 and a thirdguide rail section 3 movably connected to each other, and a connection portion between the secondguide rail section 2 and the thirdguide rail section 3 forms an arc structure for aguiding wheel 5 of a second movement to pass through smoothly.

The arc-shaped structure comprises a first arc-shapedsection 31 and a second arc-shaped section 21, the first arc-shapedsection 31 is connected with one end, close to the secondguide rail section 2, of the thirdguide rail section 3, the second arc-shaped section 21 is connected with one end, close to the thirdguide rail section 3, of the secondguide rail section 2, the circle center of the cross-section trajectory of the second arc-shaped section 21 coincides with the circle center of the cross-section trajectory of the first arc-shapedsection 31, a first limitinggroove 211 matched with the first arc-shapedsection 31 is arranged on the second arc-shaped section 21, and the first arc-shapedsection 31 is inserted into the first limitinggroove 211 and is in sliding connection with the first limitinggroove 211.

Referring to fig. 2 to 4, the number of the first arc-shapedsections 31 is two, the number of the second arc-shaped sections 21 is two, one end of the secondguide rail section 2 close to the thirdguide rail section 23 is further connected with a third arc-shapedsection 22, the third arc-shapedsection 22 is located between the two second arc-shaped sections 21, a second limiting groove 32 adapted to the third arc-shapedsection 22 is arranged between the two first arc-shapedsections 31, and the third arc-shapedsection 22 is inserted into the second limiting groove 32 and is slidably connected with the second limiting groove 32.

The end of the first arc-shapedsection 31 far away from the thirdguide rail section 23 is bent towards the direction far away from the secondmovement guide wheel 5.

Referring to fig. 2, fig. 6 and fig. 7, the vehicle-mounted guide rail further includes a firstguide rail section 1, the secondguide rail section 2 is located between the firstguide rail section 1 and the thirdguide rail section 3, the firstguide rail section 1 is fixedly connected to the secondguide rail section 2, and a transition structure for allowing the first externalcore guide wheel 4 to smoothly pass through is formed at a connection position of the firstguide rail section 1 and the secondguide rail section 2.

The transition structure comprises a transition arc-shapedsection 23, the transition arc-shapedsection 23 is connected with one end, close to the firstguide rail section 1, of the secondguide rail section 2, and atransition port 11 matched with the transition arc-shapedsection 23 is formed in one end, connected with the secondguide rail section 2, of the firstguide rail section 1.

Referring to fig. 2, a first walking curvedsurface 25 for rolling the secondmovement guide wheel 5 is arranged on the secondguide rail section 2, a second walking curved surface 33 for rolling the secondmovement guide wheel 5 is arranged on the thirdguide rail section 23, and the width of the curved surface of the secondmovement guide wheel 5 is greater than or equal to the sum of the widths of the first walking curvedsurface 25 and the second walking curved surface 33.

Firstguide rail section 1 and 2 fixed connection of second guide rail section, can't guarantee the terminal surface and flush under the two guide rail section terminal surface connection circumstances, in order to avoid firstmovement leading wheel 4 to have when the junction passes through to beat, cluster, the card pause phenomenon, so be located at firstguide rail section 1 and 2 hookup location of second guide rail section have following structural design: atransition port 11 is reserved in the middle of the tail end of the firstguide rail section 1, and atransition arc section 23 is arranged on the secondguide rail section 2, as shown in fig. 2; the height of the transition arc-shapedsection 23 is higher than the flat end face of the secondguide rail section 2, and the lowest point is lower than the flat end face of the secondguide rail section 2, as shown in fig. 6 and 7, when the firstmovement guide wheel 4 travels to the transition position, the firstmovement guide wheel 4 can smoothly transition between the firstguide rail section 1 and the secondguide rail section 2 by means of the arc-shaped end face of the transition arc-shapedsection 23, as shown in fig. 2, the phenomena of jumping, string and block are avoided.

The secondguide rail section 2 and the thirdguide rail section 23 have part of guide rail section trajectory lines which are arcs with the same radius (namely the first arc-shapedsection 31 and the second arc-shaped section 21), rotate around the same axis and adopt a movable connection mode; the secondguide rail section 2 is provided with afirst limit groove 211 matched with a curved guide rail (namely, the first arc-shaped section 31) capable of placing the thirdguide rail section 23, the center of the curved guide rail is provided with an arc-shaped notch (the second limit groove 32), and the third arc-shapedsection 22 matched with the arc-shaped notch in shape is arranged on the secondguide rail section 2, as shown in fig. 2, when the angle of the back frame and the seat is adjusted, the back frame and the seat are in overlapped fit. When the first movement guide wheel 4 walks at the second transition position, the axial limit of the wheel and the stability of the radial surface of the wheel when the wheel passes through are ensured; the key point is that the curved guide rail of the third guide rail section 23 is designed into a bell mouth structure, and similar bell mouth structures are respectively arranged on the lower side 312, the upper side 311 and the axial end face side 313 of the first arc-shaped section 31, so that the possibility that the guide wheel of the movement is blocked at the axial end face and the possibility that the guide wheel of the movement can jump in the radial direction due to manufacturing and assembly deviation are avoided, as shown in fig. 4, when the arc-shaped sections of the second guide rail section 2 and the third guide rail section 23 rotate and change, the axial end face still keeps the same horizontal end face, and the axial limit of the guide wheel 5 of the second movement is ensured; as shown in fig. 2, when the second movement guide wheel 5 travels on the radial surface, a contact surface conversion process occurs, as the second movement guide wheel 5 travels on the second guide rail section 2, the first travel curved surface 25 is in contact with the second movement guide wheel 5, when the second movement guide wheel travels to the third guide rail section 23, the second travel curved surface 33 is in contact with the second movement guide wheel 5, the second movement guide wheel 5 can travel back and forth between the first travel curved surface 25 and the second travel curved surface 33, and the curved surface width of the second movement guide wheel 5 is greater than or equal to the sum of the widths of the first travel curved surface 25 and the second travel curved surface 33.

Horn mouth structural design's advantage: as shown in fig. 5, it is difficult to ensure that the axial end faces are on the same horizontal end face surface after the first arc-shapedsection 31 of the thirdguide rail section 23 is directly movably connected and assembled with the secondguide rail section 2, the manufacturing assembly deviation is misplaced, and the wheel can jump when passing through; the design through horn mouth structure can guarantee that secondcore leading wheel 5 is steady relatively through the overlap portion, can guarantee the steady transition of secondcore leading wheel 5.

Referring to fig. 10, a second embodiment of the present invention is:

the difference between the second embodiment and the first embodiment is that: the end surface of the first machinecore guide wheel 4 contacted with the firstguide rail section 1 is a spherical surface.

Firstguide rail section 1 and secondguide rail section 2 are connected between, and the terminal surface is not flushed and is adopted a terminal surface to be the firstcore leading wheel 4 of sphere design, as shown in figure 10, firstcore leading wheel 4 of sphere design is when passing through first department transition position, and the sphere terminal surface can transition between firstguide rail section 1 and the secondguide rail section 2 of terminal surface not parallel and level naturally, avoids appearing beating, cluster, the card pause phenomenon.

Referring to fig. 11 and 12, a third embodiment of the present invention is:

the difference between the third embodiment and the first embodiment is that: the number of the first arc-shapedsegments 31 is one, and the number of the second arc-shaped segments 21 is one.

The secondguide rail section 2 and the thirdguide rail section 23 are in flexible connection, and the secondguide rail section 2 is provided with a first limitinggroove 211; the thirdguide rail section 23 is provided with a first arc-shapedsection 31, and the cross-section trajectory lines of the first limitinggroove 211 and the first arc-shapedsection 31 are arcs with the same radius and can rotate around the same axis; the first arc-shapedsegment 31 can rotate in thefirst limit groove 211.

Referring to fig. 11 to 14, a fourth embodiment of the invention is:

the difference between the fourth embodiment and the first embodiment is that: and aconvex strip 24 is arranged on the secondguide rail section 2 along the rolling direction of the second machinecore guide wheel 5, agroove 51 matched with theconvex strip 24 is arranged on the second machinecore guide wheel 5, and theconvex strip 24 is clamped in thegroove 51.

In the process that the secondmovement guide wheel 5 travels at the second transition position of the guide rail, the axial limit of the wheel and the stability of the radial wheel surface when passing through are required to be ensured, agroove 51 and aconvex strip 24 arranged on the secondguide rail section 2 are designed on the secondmovement guide wheel 5 to ensure the axial limit, and as shown in fig. 14, the secondmovement guide wheel 5 is limited by the axial end face of the guide rail at other positions of the guide rail (except theconvex strip 24 position of the second guide rail section 2); as shown in fig. 12, when the secondmovement guide wheel 5 travels on the secondguide rail section 2, the secondmovement guide wheel 5 contacts the first curved runningsurface 25, when the second movement guide wheel travels on the arc-shaped guide rail of the thirdguide rail section 23, the second curved running surface 33 contacts, the secondmovement guide wheel 5 can reciprocate between the first curved runningsurface 25 and the second curved running surface 33, and the width of the secondmovement guide wheel 5 is greater than or equal to the sum of the widths of the first curved runningsurface 25 and the second curved running surface 33.

Referring to fig. 1 to 3, a fifth embodiment of the present invention is:

a massage chair comprises abase 6 and a chair frame, wherein the chair frame comprises two guide rail structures, and the two guide rail structures are symmetrically arranged on thebase 6.

In summary, according to the guide rail structure and the massage chair provided by the invention, the second guide rail section and the third guide rail section are movably connected with each other, and the joint of the second guide rail section and the third guide rail section forms an arc-shaped structure for the external second movement guide wheel to smoothly pass through, so that the movement guide wheel can stably reciprocate in the variable-angle guide rail while the angle is changed in the variable-angle guide rail, and the massage function of the massage movement can be stably implemented.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides a guide rail structure, its characterized in that includes second guide rail section and third guide rail section of mutual swing joint, and the junction of second guide rail section and third guide rail section forms the arc structure that a second core leading wheel that supplies the peripheral hardware passes through smoothly.

2. The guide rail structure of claim 1, wherein the arc structure comprises a first arc section and a second arc section, the first arc section is connected with one end of the third guide rail section close to the second guide rail section, the second arc section is connected with one end of the second guide rail section close to the third guide rail section, the circle center of the second arc section cross section trajectory line coincides with the circle center of the first arc section cross section trajectory line, the second arc section is provided with a first limiting groove adapted to the first arc section, and the first arc section is inserted into the first limiting groove and is connected with the first limiting groove in a sliding manner.

3. The guide rail structure according to claim 2, wherein the number of the first arc-shaped sections is two, the number of the second arc-shaped sections is two, a third arc-shaped section is further connected to one end of the second guide rail section close to the third guide rail section, the third arc-shaped section is located between the two second arc-shaped sections, a second limiting groove matched with the third arc-shaped section is arranged between the two first arc-shaped sections, and the third arc-shaped section is inserted into the second limiting groove and is connected with the second limiting groove in a sliding manner.

4. The guide rail structure of claim 2, wherein an end of the first arc-shaped section away from the third guide rail section is bent away from the guide wheel of the second movement.

5. The guide rail structure of claim 2, wherein the second guide rail section is provided with a convex strip along the rolling direction of the second movement guide wheel, the second movement guide wheel is provided with a groove matched with the convex strip, and the convex strip is clamped in the groove.

6. The guide rail structure according to claim 2, wherein the second guide rail section is provided with a first walking curved surface for rolling the second movement guide wheel, the third guide rail section is provided with a second walking curved surface for rolling the second movement guide wheel, and the width of the second movement guide wheel curved surface is greater than or equal to the sum of the widths of the first walking curved surface and the second walking curved surface.

7. The guide rail structure of claim 1, further comprising a first guide rail section, wherein the second guide rail section is located between the first guide rail section and the third guide rail section, the first guide rail section is fixedly connected with the second guide rail section, and a junction of the first guide rail section and the second guide rail section forms a transition structure for the first external machine core guide wheel to smoothly pass through.

8. The guide rail structure of claim 7, wherein the transition structure comprises a transition arc-shaped section, the transition arc-shaped section is connected with one end of the second guide rail section close to the first guide rail section, and a transition port matched with the transition arc-shaped section is formed at the end where the first guide rail section is connected with the second guide rail section.

9. The guide rail structure of claim 7, wherein the end surface of the first core guide wheel contacting the first guide rail section is spherical.

10. A massage chair, comprising a base and a chair frame, wherein the chair frame comprises two guide rail structures according to any one of claims 1-9, and the two guide rail structures are symmetrically arranged on the base.

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