阅读说明：本技术 座垫的支撑弹性调整结构 (Supporting elastic adjusting structure of seat cushion ) 是由 皮特范维尔德 于 2018-07-25 设计创作，主要内容包括：本发明一种座垫的支撑弹性调整结构,包括一座垫具有位于相反两侧的一上承面、一座弓及一组设槽,组设槽具有朝向座弓的一穿孔,配合一转棒具有位于两端的二限位段、位于二限位段之间的一调整凸块,调整凸块具有一扳动片以及位于转棒径向表面不同凸出高度的数个顶推面,转棒置于组设槽内且调整凸块相对穿孔；座弓具有一弹性变形段及连接于弹性变形段的一插组端,插组端由穿孔伸入组设槽并顶抵调整凸块的数个顶推面之一,扳动片扳动转棒回转使调整凸块以不同凸出高度的数个顶推面推抵该座弓的插组端,用以压缩弹性变形段变形及改变支撑弹性。(The invention relates to a supporting elastic adjusting structure of a seat cushion, which comprises a seat cushion, a seat bow and a group of grooves, wherein the seat cushion is provided with an upper bearing surface, a seat bow and a group of grooves, the group of grooves are provided with a through hole facing the seat bow, a rotating rod is matched with the through hole and provided with two limiting sections positioned at two ends and an adjusting lug positioned between the two limiting sections, the adjusting lug is provided with a pulling piece and a plurality of pushing surfaces positioned on the radial surface of the rotating rod and with different protruding heights, the rotating rod is arranged in the group of grooves, and the adjusting lug is opposite to the through hole; the seat bow has an elastic deformation section and an insertion end connected to the elastic deformation section, the insertion end extends into the assembly groove from the through hole and abuts against one of the pushing surfaces of the adjusting projection, the pulling piece pulls the rotating rod to rotate so that the adjusting projection abuts against the insertion end of the seat bow with the pushing surfaces with different protruding heights to compress the elastic deformation section to deform and change the supporting elasticity.)

1. A supporting spring adjusting structure of a seat cushion, comprising:

the seat cushion is provided with an upper bearing surface, a seat bow and a group of grooves opposite to the seat bow, and the group of grooves are provided with through holes facing the seat bow;

the rotating rod is provided with two limiting sections positioned at two ends, and an adjusting lug which is positioned between the two limiting sections and protrudes out of the outer periphery of the radial surface of the rotating rod, the adjusting lug is provided with a pulling sheet, a flat abutting part and a convex abutting part, the rotating rod is arranged in the group of grooves, and the adjusting lug is opposite to the through hole;

the seat bow is provided with an elastic deformation section and an inserting set end connected with one end of the elastic deformation section, the inserting set end penetrates through the through hole and extends into the set groove and abuts against any one of the flat abutting part and the convex abutting part, the pulling piece pulls the rotating rod to rotate, and any one of the flat abutting part and the convex abutting part pushes against the inserting set end of the seat bow so as to form different degrees of compression deformation and change the supporting elasticity for the elastic deformation section.

2. The supporting resilient adjustment structure for a seat cushion according to claim 1, wherein the height of the protruding portion protruding from the radial surface of the rotary rod is greater than the height of the flat portion protruding from the radial surface of the rotary rod, so as to form different degrees of compressive deformation to the resilient deformation section.

3. The supporting elastic adjustment structure of a seat cushion according to claim 1, wherein the set groove has two connecting grooves at both ends, two lateral walls connecting both ends, two fastening grooves at both lateral walls, and an upper notch penetrating through the upper bearing surface, further cooperating with a limit cover having two protruding rest portions protruding toward the same side at both ends, two fastening pieces at both sides, the limit cover being set in the set groove from the upper notch cover and the two protruding rest portions corresponding to the two connecting grooves and fixed by the two fastening pieces fastening the two fastening grooves, and the two protruding rest portions abutting against the rotating rod to limit the rotating rod.

4. The structure of claim 3, wherein the two slots further have two concave steps on the slot wall, the two fastening pieces each have a barb portion, and each barb portion is correspondingly fastened against the concave step.

5. The structure of claim 1, wherein the seat cushion has a lower groove on the opposite side of the upper surface, two rear grooves in the lower groove, and the seat bow has an abutting section connected to the elastic deformation section, the seat bow is assembled in the lower groove and inserted into the rear groove with the abutting section, and the inserting end extends into the assembling groove and abuts against the adjusting protrusion.

6. The structure of claim 5, wherein the lower set of slots has two downward notches, two concave buckling portions located in the two notches, and two limit protrusions located in the two concave buckling portions, the abutting section has a plug-in piece and two limit slots concavely formed in the plug-in piece, the two concave buckling portions are nested in the plug-in piece, and the two limit slots are nested against the two limit protrusions to form a limit combination.

7. The structure for supporting and adjusting the seat cushion according to claim 6, wherein the elastically deformable section comprises two lower support rods, two upper support rods, a plurality of long connecting rods and a plurality of short connecting rods, the two lower support rods are connected between the two ends of the abutting section and the inserting section, the two long connecting rods are connected with the two lower support rods, the two short connecting rods are connected with the two upper support rods, the two lower support rods respectively extend with two ends bent upwards, the two upper support rods respectively extend with two ends bent downwards and are respectively connected with the lower support rods.

8. The structure of claim 3, wherein the rotation rod has two pivot portions axially protruding from the end faces of the two position-limiting sections and is fixed by the two pivot portions pushing into the two slots, the two protruding portions of the position-limiting cover abut against the two pivot portions to limit the rotation rod, and the pulling plate pulls the rotation rod to rotate about the two pivot portions at the two ends as pivots.

9. The supporting elastic adjustment structure of the seat cushion according to claim 3, wherein the two position-limiting sections of the rotating rod are protruded with a plurality of positioning protrusions located on the outer peripheral side of the radial surface, the position-limiting cover has two positioning recesses located between the two protruding portions and the two buckling pieces, and the two position-limiting sections are respectively pushed into the two positioning recesses of the position-limiting cover by one of the positioning protrusions for limiting and fixing the rotation adjustment of the rotating rod.

10. The structure for supporting and adjusting the resilience of a seat cushion according to any one of claims 1 to 9, further comprising an upper cover coupled to the upper surface of the seat cushion.

11. The structure for supporting the adjustment of the flexibility of a seat cushion according to claim 1, wherein the flexible deformation section of the seat bow is integrally formed with the seat cushion.

Technical Field

The invention relates to the technical field of seat cushion structures, in particular to a seat cushion with supporting elasticity and adjustable softness and hardness.

Background

The bicycle is one of the popular transportation means of modern people, and it has functions such as convenient, energy-free, pollution-free and sports leisure concurrently, especially along with the leisure wind has gradually risen in recent years, and people pay more and more attention to the quality of leisure life to make the bicycle receive modern people's liking gradually and extensively used.

When a bicycle is ridden, a common bicycle seat cushion is mainly used for supporting the weight of a rider, and a good seat cushion structure can provide comfortable riding feeling for the rider.

The conventional bicycle saddle usually comprises a saddle body which is in direct contact with a rider, and a seat bow which is used for supporting the saddle body and can be fixedly combined with a bicycle seat post; the bottom surface of the rear end of the seat cushion body is provided with two fixing holes, the seat bow is formed by bending the metal rod piece, the front end of the seat cushion body is fixedly arranged on the bottom surface of the front end of the seat cushion body, the rear end of the two supporting rods is provided with the supporting rods of two bending structures, the rear ends of the two supporting rods are directly sleeved in the fixing holes of the bottom surface of the rear end of the seat cushion body to be combined and fixed, the rear half part of the seat cushion body is supported by the rear ends of the two supporting rods, however, the rear half part of the seat cushion body is a main part for supporting the hip of a rider, two independent supporting points without elastic performance enable the rear half part of the seat cushion body to lose the elastic buffering function.

Later, the inventor has introduced an improved structure for improving the lack of elasticity of the seat cushion, such as the "bicycle seat cushion structure" of the application No. M501987, which includes a seat cushion body and a seat bow combined to the bottom surface of the seat cushion body, wherein the seat bow provides four support points, i.e. front, rear, left and right, on the bottom surface of the seat cushion body, the front and rear support points support the front and rear ends of the seat cushion body, the left and right support points support the left and right areas of the rear end of the seat cushion body, and the four support points are indirectly connected through the seat bow; three of the four supporting points are positioned at the rear end part of the seat cushion body, so that stronger and stable supporting force and better elastic performance can be provided when the rear end part of the seat cushion body bears the weight of the buttocks of a rider.

In the prior patent structure disclosed above, the rear end of the seat cushion body can provide better elastic performance when bearing the weight of the buttocks of a rider, however, the road conditions encountered by riding a bicycle have various different changes, the seat cushion which is only elastic has the changed road conditions encountered, but the seat cushion can not respond to the change through the adjustment of the hardness and the softness of the support elasticity, and the problem that the pressure of the seat cushion relative to the buttocks of the rider is not completely solved, so that the uncomfortable feeling of the buttocks of the rider can not be completely avoided.

Therefore, how to improve the seat cushion structure of the prior patent by solving the problems that the pressure of the seat cushion relative to the hip of the rider cannot be completely solved and the uncomfortable feeling of the hip of the rider cannot be completely avoided due to the fact that the hardness and softness of the supporting elasticity of the seat cushion structure cannot be adjusted to meet different road conditions is a difficult point to be solved by the invention.

Disclosure of Invention

The present invention is directed to overcome the above-mentioned drawbacks of the prior art, and provides a supporting elasticity adjusting structure for a seat cushion, which can flexibly adjust supporting elasticity with different softness and hardness according to different road conditions, thereby providing optimal elastic support for the buttocks of a rider, effectively avoiding the pressure formed by the seat cushion relative to the buttocks of the rider, and achieving the improved use of completely solving the uncomfortable feeling of the buttocks of the rider.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a supporting elastic adjusting structure of a seat cushion comprises a seat cushion, a seat bow and a group of grooves, wherein the seat cushion is provided with an upper bearing surface at two opposite sides, the group of grooves is opposite to the seat bow, and the group of grooves are provided with through holes facing the seat bow.

And the rotating rod is provided with two limiting sections positioned at two ends, and an adjusting lug which is positioned between the two limiting sections and protrudes out of the outer periphery of the radial surface of the rotating rod, the adjusting lug is provided with a pulling sheet, a flat abutting part and a convex abutting part, the rotating rod is arranged in the group of grooves, and the adjusting lug is opposite to the through hole.

The seat bow is provided with an elastic deformation section and an inserting set end connected with one end of the elastic deformation section, the inserting set end penetrates through the through hole and extends into the set groove and abuts against any one of the flat abutting part and the convex abutting part, the pulling piece pulls the rotating rod to rotate, and any one of the flat abutting part and the convex abutting part pushes against the inserting set end of the seat bow so as to form different degrees of compression deformation and change the supporting elasticity for the elastic deformation section.

The invention is further technically characterized in that the height of the convex part protruding out of the radial surface of the rotating rod is greater than the height of the flat part protruding out of the radial surface of the rotating rod, so as to form compression deformation of the elastic deformation section to different degrees.

The invention is further technically characterized in that the group of grooves are provided with two connecting grooves positioned at two ends, two lateral walls connected with the two ends, two buckling grooves positioned on the two lateral walls, and an upper notch penetrating through the upper bearing surface, and are further matched with a limiting cover which is provided with two convex leaning parts positioned at two ends and protruding towards the same side, and two buckling sheets positioned at two sides, the limiting cover is assembled in the group of grooves from the upper notch cover, the two convex leaning parts correspond to the two connecting grooves and are buckled with the two buckling sheets to be fixed, and the two convex leaning parts lean against the rotating rod to limit the rotating rod.

The invention is further technically characterized in that the two buckling grooves are further provided with two concave buckling steps positioned on the groove walls, the two buckling pieces are respectively provided with a barb part, and each barb part is correspondingly buckled and fixed against the concave buckling step.

The present invention is further technically characterized in that the seat cushion is provided with a lower group groove positioned on the opposite side of the upper bearing surface and two rear sleeve grooves positioned in the lower group groove, the seat bow is provided with an abutting section connected with the elastic deformation section, the seat bow is assembled in the lower group groove and is inserted and abutted against the rear sleeve groove by the abutting section, and the inserting end extends into the assembling groove and abuts against the adjusting lug.

The invention is further technically characterized in that the lower group of grooves are provided with two downward notches, two concave buckling parts positioned in the two notches and two limiting lugs positioned in the two concave buckling parts, the abutting section is provided with a plug-in buckle piece and two limiting grooves concavely arranged on the plug-in buckle piece, the two concave buckling parts are sleeved with the plug-in buckle piece, and the two limiting grooves are sleeved on the two limiting lugs to form a limiting combination.

The invention is further technically characterized in that the elastic deformation section comprises two lower support rods, two upper support rods, a plurality of long connecting rods and a plurality of short connecting rods, wherein the two lower support rods and the two upper support rods are connected between the two ends of the abutting section and the inserting end, the two long connecting rods are connected with the two lower support rods, the two short connecting rods are connected with the two upper support rods, the two lower support rods respectively extend in a mode that the two ends of each lower support rod are bent upwards, and the two upper support rods respectively extend in a mode that the two ends of each upper support.

The present invention is further technically characterized in that the rotating rod is provided with two pivot parts which are axially and convexly arranged on the end surfaces of the two limiting sections, the two pivot parts are propped into the two connecting grooves for fixation, the two convex leaning parts of the limiting cover lean against the two pivot parts to limit the rotating rod, and the wrenching piece wrenches the rotating rod and turns around by taking the two pivot parts at the two ends as fulcrums.

The present invention is further technically characterized in that the two limiting sections of the rotating rod are convexly provided with a plurality of positioning convex parts positioned on the outer peripheral side of the radial surface, the limiting cover is provided with two positioning concave parts positioned between the two convex leaning parts and the two buckling pieces, and the two limiting sections are respectively pushed into the two positioning concave parts of the limiting cover by one positioning convex part so as to limit and fix the rotation adjustment of the rotating rod.

The invention is further characterized in that the invention further comprises an upper cover which is covered on the upper bearing surface of the seat cushion.

The invention is further technically characterized in that the elastic deformation section of the seat bow is integrally formed on the seat cushion.

The invention has the advantages that the invention can flexibly adjust the supporting elasticity with different softness and hardness according to different road conditions, provides the optimal elastic support for the hip of the rider, effectively avoids the pressure formed by the seat cushion relative to the hip of the rider and achieves the use progress of completely solving the problem of uncomfortable feeling of the hip of the rider.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective exploded view of the present invention.

Fig. 3 is a perspective assembly view showing the use direction of the present invention.

Fig. 4 is a perspective exploded view showing the use direction of the present invention.

Fig. 5 is a partially enlarged exploded perspective view of fig. 2.

Fig. 6 is a schematic cross-sectional view of the section VI-VI shown in fig. 3.

Fig. 7 is an enlarged schematic view of fig. 6.

Fig. 8 is a schematic view showing the change of support elasticity according to the deflection of the rotating rod in fig. 7.

Fig. 9 is a schematic cross-sectional view of line IX-IX shown in fig. 3.

The reference numbers in the figures illustrate:

10 upper surface of seat cushion 11

12 lower group groove 121 rear sleeve groove

122 groove 123 female fastening part

124 limit lug 13 group groove

131 groove 132 side wall

133 catching groove 1331 concave catching step

134 perforation 135 upper notch

20 rotating rod

21 adjusting lug 211 pulling sheet

212 flat abutting portion 213 convex abutting portion

22 position-limiting section 221 two pivot parts

222 locating boss 30 limit cover

31 convex leaning part 32 cramp

321 barb 33 positioning recess

40 bow 41 abutting section

411 inserting buckle piece 412 limiting groove

42 insertion end 43 elastic deformation section

431 lower strut 432 upper strut

433 short-circuit rod with long connecting rod 434

50 upper cover

Detailed Description

Referring to fig. 1 to 9, a supporting elasticity adjusting structure of a seat cushion according to the present invention includes: a seat cushion 10 has an upper bearing surface 11 on opposite sides, a seat arch 40, and a set of slots 13 opposite the seat arch 40, the set of slots 13 having a through hole 134 facing the seat arch 40.

And a rotating rod 20 having two position-limiting sections 22 at two ends, an adjusting bump 21 between the two position-limiting sections 22 and protruding out of the outer periphery of the radial surface of the rotating rod 20, the adjusting bump 21 having a pulling plate 211, a flat abutting portion 212 and a protruding abutting portion 213, the rotating rod 20 being disposed in the set of slots 13 and the adjusting bump 21 being opposite to the through hole 134.

The seat bow 40 has an elastic deformation section 43 and an insertion end 42 connected to one end of the elastic deformation section 43, and the insertion end 42 penetrates the through hole 134 and extends into the set groove 13 and abuts against any one of the flat abutting portion 212 and the convex abutting portion 213, the rotating rod 20 is rotated by the pulling piece 211, and any one of the flat abutting portion 212 and the convex abutting portion 213 abuts against the insertion end 42 of the seat bow 40, so as to form different degrees of compression deformation and change the supporting elasticity for the elastic deformation section 43.

In the following, the components of the present invention are further described in detail, in the above-mentioned fig. 1 to 9, the height of the protruding portion 213 protruding from the radial surface of the rotating rod 20 is greater than the height of the flat portion 212 protruding from the radial surface of the rotating rod 20, so as to form different degrees of compression deformation on the elastic deformation section 43. Next, the set of grooves 13 has two connecting grooves 131 at two ends, two lateral walls 132 connecting the two ends, two buckling grooves 133 at the two lateral walls 132, and an upper notch 135 penetrating the upper bearing surface 11, and further cooperates with a limiting cover 30 having two protruding leaning portions 31 protruding from two ends toward the same side, and two buckling pieces 32 at two sides, the limiting cover 30 is assembled in the set of grooves 13 from the upper notch 135, the two protruding leaning portions 31 correspond to the two connecting grooves 131 and are fixed by buckling the two buckling pieces 32 with the two buckling grooves 133, and the two protruding leaning portions 31 lean against the rotating rod 20 (not shown) to limit the rotating rod 20. Moreover, the two fastening grooves 133 are further provided with two concave fastening steps 1331 located on the groove walls, the two fastening pieces 32 are respectively provided with a barb portion 321, and each barb portion 321 is correspondingly fastened and fixed against the concave fastening step 1331. In addition, the seat cushion 10 has a lower set groove 12 located on the opposite side of the upper bearing surface 11, and two rear set grooves 121 located on the lower set groove 12, the seat bow 40 has an abutting section 41 connected to the elastic deformation section 43, the seat bow 40 is assembled in the lower set groove 12 and inserted into the rear set groove 121 by the abutting section 41, and the inserting end 42 extends into the assembling groove 13 and abuts against the adjusting protrusion 21. Furthermore, the lower set of slots 12 has two downward notches 122, two concave buckling portions 123 located in the two notches 122, and two limiting protrusions 124 located in the two concave buckling portions 123, the abutting section 41 has a plug-in buckling piece 411 and two limiting slots 412 concavely arranged on the plug-in buckling piece 411, the two concave buckling portions 123 are sleeved on the plug-in buckling piece 411, and the two limiting slots 412 are sleeved on the two limiting protrusions 124 to form a limiting combination. Moreover, the elastic deformation section 43 includes two lower support rods 431 and two upper support rods 432 connected between the two ends of the abutting section 41 and the inserting end 42, a plurality of long connecting rods 433 connected to the two lower support rods 431, and a plurality of short connecting rods 434 connected to the two upper support rods 432, wherein the two lower support rods 431 are respectively bent and extended upwards at the two ends, and the two upper support rods 432 are respectively bent downwards at the two ends and respectively connected to the lower support rods 431. The rotating rod 20 has two pivot parts 221 axially protruding from the end surfaces of the two limiting sections 22, and the two pivot parts 221 are pushed into the two connecting grooves 131 for fixation, the two protruding parts 31 of the limiting cover 30 will abut against the two pivot parts 221 (not shown) to limit the rotating rod 20, and the pulling plate 211 pulls the rotating rod 20 to rotate with the two pivot parts 221 at the two ends as a fulcrum. In addition, the two position-limiting segments 22 of the rotating rod 20 are convexly provided with a plurality of positioning protrusions 222 located on the outer peripheral side of the radial surface, the position-limiting cover 30 has two positioning recesses 33 located between the two protruding portions 31 and the two buckling pieces 32, and the two position-limiting segments 22 are respectively pushed into the two positioning recesses 33 of the position-limiting cover 30 by one of the positioning protrusions 222 for position-limiting and fixing the rotation adjustment of the rotating rod 20. Finally, an upper cover 50 covering the upper surface 11 of the seat 10 is further included.

As shown in fig. 6 and 7, the present invention is assembled in the set of slots 13 by the position-limiting cover 30 and fixed by the two buckle pieces 32 buckling the concave buckle steps 1331 of the two buckle slots 133, and is limited in the two connection slots 131 by the two protruding parts 31 corresponding to the two connection slots 131 abutting against the two pivot parts 221 (not shown) downwards; the seat bow 40 is assembled in the lower assembling groove 12 and abuts against the rear assembling groove 121 by the abutting section 41, and the inserting end 42 penetrates the through hole 134 and extends into the assembling groove 13 to abut against the flat abutting part 212 of the adjusting projection 21, as shown in fig. 7);

as shown in fig. 8, when the rotating rod 20 is rotated by the pulling plate 211 with the two pivot portions 221 at the two ends as the pivot points, the adjusting protrusion 21 changes to protrude from the radial surface of the rotating rod 20 to a height greater than the height of the abutting portion 212 to push against the inserting end 42 of the seat bow 40, thereby compressing the elastic deformation section 43 to generate deformation and changing the supporting elasticity, so as to flexibly adapt to different road conditions, provide the best elastic support for the hip of the rider, effectively avoid the pressure of the seat cushion relative to the hip of the rider, and achieve the improvement of the use of completely solving the discomfort of the hip of the rider.

As shown in fig. 9, in the operation of adjusting the supporting elasticity of the pulling-rotating rod 20, the two position-limiting segments 22 are simultaneously pushed into the two positioning concave portions 33 of the position-limiting cover 30 by one of the positioning convex portions 222, respectively, so as to fix the adjusted supporting elasticity.

Finally, the seat bow 40 can also be formed integrally with the seat cushion (not shown) by the elastic deformation section 43.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiment according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.