阅读说明：本技术 座椅高度调节结构、汽车座椅及氢能汽车 (Seat height adjusting structure, automobile seat and hydrogen energy automobile ) 是由 翁波 郝义国 于 2021-08-20 设计创作，主要内容包括：本发明提供一种座椅高度调节结构、汽车座椅和氢能汽车,座椅下方安装有空气弹簧,包括基座、转轴、调节装置和拨动件,基座形成有一安装腔,安装腔左右向的侧壁上贯设有一通孔；转轴转动安装于通孔内；调节装置包括转动组件、弹性复位件和拉线,转动组件与转轴转动连接,弹性复位件用于驱动转动组件回位,拉线的一端与转动组件连接,另一端与空气弹簧的进气阀门连接；拨动件包括与转动组件固定连接的转动端和具有沿上下向的活动行程的自由端。本发明的有益效果：通过按压自由端,转动端带动转动组件绕转轴转动,从而带动拉线控制进气阀门的进气开度,进而提升或降低座椅高度,这种调节座椅高度的方式简单便捷,提高了座椅调节的便利性。(The invention provides a seat height adjusting structure, an automobile seat and a hydrogen energy automobile.A pneumatic spring is arranged below the seat and comprises a base, a rotating shaft, an adjusting device and a stirring piece, wherein the base is provided with an installation cavity, and a through hole penetrates through the side wall of the installation cavity in the left and right directions; the rotating shaft is rotatably arranged in the through hole; the adjusting device comprises a rotating assembly, an elastic resetting piece and a pull wire, the rotating assembly is rotationally connected with the rotating shaft, the elastic resetting piece is used for driving the rotating assembly to reset, one end of the pull wire is connected with the rotating assembly, and the other end of the pull wire is connected with an air inlet valve of the air spring; the poking piece comprises a rotating end fixedly connected with the rotating assembly and a free end with an up-and-down movable stroke. The invention has the beneficial effects that: through pressing the free end, the rotation end drives the runner assembly and rotates around the rotation axis to the drive is acted as go-between and is controlled the air inlet aperture of valve that admits air, and then promotes or reduces the seat height, and this kind of mode of adjusting the seat height is simple convenient, has improved the convenience that the seat was adjusted.)

1. The utility model provides a seat height control structure, is applied to car seat, air spring is installed to car seat below, its characterized in that, seat height control structure includes:

the base is provided with an installation cavity, and a through hole penetrates through the left and right side walls of the installation cavity;

the rotating shaft extends left and right and is rotatably arranged in the through hole;

the adjusting device comprises a rotating assembly, an elastic resetting piece and a pull wire, wherein the rotating assembly is rotationally connected with the rotating shaft, the elastic resetting piece is used for driving the rotating assembly to reset, one end of the pull wire is connected with the rotating assembly, and the other end of the pull wire is connected with an air inlet valve of the air spring so as to drive the pull wire to control the air inlet opening degree of the air inlet valve and lift or reduce the height of the seat when the rotating assembly rotates; and the number of the first and second groups,

the poking piece comprises a rotating end and a free end, the rotating end is fixedly connected with the rotating assembly, and the free end has a movable stroke along the vertical direction, so that when the free end moves up and down, the rotating end drives the rotating assembly to rotate around the rotating shaft.

2. The seat height adjustment structure of claim 1, wherein the rotation assembly comprises: the driving disc is fixedly connected with the rotating end and is rotationally connected with the rotating shaft;

the rotating disc is rotationally connected with the driving disc, a first hollow cylinder is formed on one side of the rotating disc, and inner gear teeth are arranged on the inner wall of the first hollow cylinder;

one ends of the two clamping jaws are rotatably arranged on two opposite sides of the circumferential direction of the driving disc respectively, the other ends of the two clamping jaws are close to each other, one side of each clamping jaw, which is far away from the driving disc, is provided with an external gear tooth, and the two clamping jaws are arranged in the first hollow cylinder; and the number of the first and second groups,

the first elastic piece extends along the circumferential direction of the driving disc, the middle part of the first elastic piece is connected with the driving disc, and two ends of the first elastic piece are respectively abutted against the two clamping jaws;

one end of the pull wire is fixed with the rotating disc and wound on the outer side of the rotating disc, and when the clamping jaw is close to the inner wall of the first hollow cylinder, the outer gear teeth are meshed with the inner gear teeth.

3. The seat height adjusting structure according to claim 2, wherein a plurality of grooves are recessed in an outer wall surface of the first hollow cylinder, and the plurality of grooves are equally distributed in a circumferential direction of the first hollow cylinder;

a second hollow cylinder is arranged on one side, close to the groove, of the base;

the adjusting device further comprises:

one end of the limiting ball is positioned in the second hollow cylinder, and the other end of the limiting ball is abutted to the groove;

the sealing cover is arranged at one end, far away from the limiting ball, of the second hollow cylinder and used for sealing the second hollow cylinder; and the number of the first and second groups,

and the spring is positioned in the second hollow cylinder, and two ends of the spring are respectively abutted with the limiting ball and the sealing cover.

4. The seat height adjusting structure according to claim 3, wherein the sectional shape of the groove is a circular arc.

5. The seat height adjusting structure according to claim 1, wherein the rotating end is provided with a limiting column protruding outward in the left-right direction, and the limiting column is located below the rotating shaft;

the reset elastic piece comprises a reset torsion spring, the reset torsion spring comprises a first straight line section, a bending section and a second straight line section which are sequentially connected along the bending direction of the reset torsion spring, the bending section is sleeved on the rotating shaft, and the first straight line section and the second straight line section are respectively abutted to the two sides of the limiting column, so that the first straight line section and the second straight line section are arranged in a crossed mode.

6. The seat height adjustment structure according to claim 5, wherein the extending direction of the toggle member is a front-rear direction, the toggle member being located at a front side of the base;

the reset elastic piece further comprises a second elastic piece arranged on the rear side, one end of the second elastic piece is fixed on the base, and the other end of the second elastic piece is arranged in a manner that the second elastic piece inclines downwards from the rear to the front so as to extrude the second elastic piece when the free end moves downwards.

7. The seat height adjusting structure according to claim 2, wherein the driving plate has an installation shaft extending in left and right directions, the installation shaft has an installation hole through its axis, the installation hole is fitted over the rotation shaft, and at least one section of the installation shaft is a hexagonal prism;

the rotating end is provided with a hexagonal fixing hole in the left-right direction, the fixing hole is matched with the hexagonal prism, and the fixing hole is sleeved on the hexagonal prism.

8. The seat height adjusting structure of claim 1, further comprising two plum blossom bearing clips, wherein the two plum blossom bearing clips are respectively sleeved at two ends of the rotating shaft and respectively abut against the base to limit axial movement of the rotating shaft.

9. A vehicle seat characterized by comprising the seat height adjusting structure according to any one of claims 1 to 8.

10. A hydrogen powered vehicle comprising the vehicle seat of claim 9.

Technical Field

The invention relates to the technical field of automobiles, in particular to a seat height adjusting structure, an automobile seat and a hydrogen energy automobile.

Background

Along with the progress of society, the rate of utilization of car is higher and higher, and the user is also higher and higher to the travelling comfort and the convenience requirement of car, and the user of different statures is different to the high requirement of seat, consequently, need adjust the passenger of the height of seat and satisfy different statures, designs a seat height control structure and adjusts the seat height, can satisfy the high demand of user to the seat, can improve the convenience again.

Disclosure of Invention

In view of this, the embodiment of the invention provides a seat height adjusting structure for adjusting the height of a seat and improving the convenience of seat adjustment.

The embodiment of the invention provides a seat height adjusting structure, which is applied to an automobile seat, wherein an air spring is arranged below the automobile seat, and the seat height adjusting structure comprises:

the base is provided with an installation cavity, and a through hole penetrates through the left and right side walls of the installation cavity;

the rotating shaft extends left and right and is rotatably arranged in the through hole;

the adjusting device comprises a rotating assembly, an elastic resetting piece and a pull wire, wherein the rotating assembly is rotationally connected with the rotating shaft, the elastic resetting piece is used for driving the rotating assembly to reset, one end of the pull wire is connected with the rotating assembly, and the other end of the pull wire is connected with an air inlet valve of the air spring so as to drive the pull wire to control the air inlet opening degree of the air inlet valve and lift or reduce the height of the seat when the rotating assembly rotates; and the number of the first and second groups,

the poking piece comprises a rotating end and a free end, the rotating end is fixedly connected with the rotating assembly, and the free end has a movable stroke along the vertical direction, so that when the free end moves up and down, the rotating end drives the rotating assembly to rotate around the rotating shaft.

Further, the rotating assembly includes:

the driving disc is fixedly connected with the rotating end and is rotationally connected with the rotating shaft;

the rotating disc is rotationally connected with the driving disc, a first hollow cylinder is formed on one side of the rotating disc, and inner gear teeth are arranged on the inner wall of the first hollow cylinder;

one ends of the two clamping jaws are rotatably arranged on two opposite sides of the circumferential direction of the driving disc respectively, the other ends of the two clamping jaws are close to each other, one side of each clamping jaw, which is far away from the driving disc, is provided with an external gear tooth, and the two clamping jaws are arranged in the first hollow cylinder; and the number of the first and second groups,

the first elastic piece extends along the circumferential direction of the driving disc, the middle part of the first elastic piece is connected with the driving disc, and two ends of the first elastic piece are respectively abutted against the two clamping jaws;

one end of the pull wire is fixed with the rotating disc and wound on the outer side of the rotating disc, and when the clamping jaw is close to the inner wall of the first hollow cylinder, the outer gear teeth are meshed with the inner gear teeth.

Furthermore, a plurality of grooves are concavely arranged on the outer wall surface of the first hollow cylinder, and are distributed at equal intervals along the circumferential direction of the first hollow cylinder;

a second hollow cylinder is arranged on one side, close to the groove, of the base;

the adjusting device further comprises:

one end of the limiting ball is positioned in the second hollow cylinder, and the other end of the limiting ball is abutted to the groove;

the sealing cover is arranged at one end, far away from the limiting ball, of the second hollow cylinder and used for sealing the second hollow cylinder; and the number of the first and second groups,

and the spring is positioned in the second hollow cylinder, and two ends of the spring are respectively abutted with the limiting ball and the sealing cover.

Further, the cross-sectional shape of the groove is circular arc.

Furthermore, the rotating end is convexly provided with a limiting column along the left-right direction, and the limiting column is positioned below the rotating shaft;

the reset elastic piece comprises a reset torsion spring, the reset torsion spring comprises a first straight line section, a bending section and a second straight line section which are sequentially connected along the bending direction of the reset torsion spring, the bending section is sleeved on the rotating shaft, and the first straight line section and the second straight line section are respectively abutted to the two sides of the limiting column, so that the first straight line section and the second straight line section are arranged in a crossed mode.

Furthermore, the extending direction of the poking piece is the front-back direction, and the poking piece is positioned on the front side of the base;

the reset elastic piece further comprises a second elastic piece arranged on the rear side, one end of the second elastic piece is fixed on the base, and the other end of the second elastic piece is arranged in a manner that the second elastic piece inclines downwards from the rear to the front so as to extrude the second elastic piece when the free end moves downwards.

Furthermore, the driving disc extends to form a mounting shaft along the left and right directions, a mounting hole matched with the rotating shaft is formed in the axis of the mounting shaft in a penetrating mode, the mounting hole is sleeved on the rotating shaft, and at least one section of the outer side of the mounting shaft is a hexagonal prism;

the rotating end is provided with a hexagonal fixing hole in the left-right direction, the fixing hole is matched with the hexagonal prism, and the fixing hole is sleeved on the hexagonal prism.

Further, the seat height adjusting structure further comprises two plum blossom bearing clamps, wherein the two plum blossom bearing clamps are respectively sleeved at two ends of the rotating shaft and are respectively abutted against the base so as to limit the axial movement of the rotating shaft.

The invention also provides an automobile seat which comprises the seat height adjusting structure.

The invention also provides a hydrogen energy automobile comprising the automobile seat.

The technical scheme provided by the embodiment of the invention has the following beneficial effects: according to the seat height adjusting structure, the free end of the stirring part is pressed up and down, so that the rotating end of the stirring part drives the rotating assembly to rotate around the rotating shaft, the pull wire is driven to control the air inlet opening degree of the air inlet valve, the air inlet amount of the air spring is increased or decreased, the height of the seat is further increased or decreased, the seat height adjusting mode is simple and convenient, and the convenience of seat adjustment is improved.

Drawings

FIG. 1 is an isometric view of one embodiment of a seat height adjustment structure provided by the present invention;

FIG. 2 is an exploded schematic view of FIG. 1;

FIG. 3 is a schematic front view of FIG. 1;

FIG. 4 is a right side view of FIG. 1;

FIG. 5 is a schematic sectional view taken along line A-A in FIG. 4;

FIG. 6 is a top view of FIG. 1;

fig. 7 is a schematic sectional view taken along line B-B in fig. 6.

In the figure: the seat height adjusting structure 100, a base 1, a mounting cavity 11, a through hole 12, a second hollow cylinder 13, a rotating shaft 2, an adjusting device 3, a rotating component 31, a driving disc 311, a mounting shaft 311a, a mounting hole 311b, a hexagonal prism 311c, a rotating disc 312, a first hollow cylinder 312a, inner gear teeth 312b, a groove 312c, a claw 313, outer gear teeth 313a, a first elastic sheet 314, an elastic reset piece 32, a reset torsion spring 321, a first straight line segment 321a, a bending segment 321b, a second straight line segment 321c, a second elastic sheet 322, a pull wire 33, a limit ball 34, a sealing cover 35, a spring 36, a toggle piece 4, a rotating end 41, a limit column 411, a fixing hole 412, a free end 42 and a quincunx bearing clamp 5.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.

The invention provides a hydrogen energy automobile which comprises an automobile seat, wherein the automobile seat comprises a seat height adjusting structure. The automobile seat and the hydrogen energy automobile provided with the seat height adjusting structure belong to the automobile seat and the hydrogen energy automobile provided by the invention. Fig. 1 to 7 show an embodiment of a seat height adjusting structure according to the present invention.

Referring to fig. 1 to 3, an embodiment of the present invention provides a seat height adjusting structure 100, which is applied to an automobile seat, an air spring 36 is installed below the automobile seat, the seat height adjusting structure 100 includes a base 1, a rotating shaft 2, an adjusting device 3 and a toggle member 4, a mounting cavity 11 is formed on the base 1, and a through hole 12 penetrates through a side wall of the mounting cavity 11 in a left-right direction; the rotating shaft 2 extends left and right, and the rotating shaft 2 is rotatably arranged in the through hole 12; the adjusting device 3 comprises a rotating assembly 31, an elastic resetting member 32 and a pull wire 33, the rotating assembly 31 is rotatably connected with the rotating shaft 2, the elastic resetting member 32 is used for driving the rotating assembly 31 to return, one end of the pull wire 33 is connected with the rotating assembly 31, and the other end of the pull wire 33 is connected with an air inlet valve of the air spring 36, so that when the rotating assembly 31 rotates, the pull wire 33 is driven, the air inlet opening degree of the air inlet valve is controlled, and the height of the seat is increased or reduced; and the toggle piece 4 comprises a rotating end 41 and a free end 42, the rotating end 41 is fixedly connected with the rotating assembly 31, and the free end 42 has a moving stroke along the vertical direction, so that when the free end 42 moves along the vertical direction, the rotating end 41 drives the rotating assembly 31 to rotate around the rotating shaft 2.

Through pressing the free end 42 of stirring 4 from top to bottom for the rotation end 41 that stirs 4 drives rotating assembly 31 and rotates around rotation axis 2, thereby drives the air inlet aperture who acts as go-between 33 control air inlet valve, and the air input grow or diminish of air spring 36, and then promotes or reduces the seat height, and this kind of mode of adjusting the seat height is simple convenient, has improved the convenience that the seat was adjusted.

Further, referring to fig. 2 and 5, the rotating assembly 31 includes a driving disk 311, a rotating disk 312, two claws 313 and a first elastic sheet 314, the driving disk 311 is fixedly connected to the rotating end 41, and the driving disk 311 is rotatably connected to the rotating shaft 2; the driving disk 311 is fixedly connected with the rotating end 41, and the driving disk 311 is rotatably connected with the rotating shaft 2, so that when the movable end of the toggle part 4 moves up and down, the movable end is converted into the rotation of the rotating end 41 around the rotating shaft 2, and at the moment, because the driving disk 311 is rotatably connected with the rotating shaft 2 and is fixedly connected with the rotating end 41, the rotating end 41 can drive the driving disk 311 to rotate around the rotating shaft 2. Specifically, the driving disc 311 extends to have a mounting shaft 311a along the left-right direction, the main body of the driving disc 311 and the extended mounting shaft 311a have the same axis, a mounting hole 311b matched with the rotating shaft 2 passes through the axis of the mounting shaft 311a, and the mounting hole 311b is sleeved on the rotating shaft 2, so that the driving disc 311 and the rotating shaft 2 are rotatably connected. At least one section of the outer side of the mounting shaft 311a is a hexagonal prism 311 c; a hexagonal fixing hole 412 is formed along the left-right direction of the rotating end 41, the fixing hole 412 is matched with the hexagonal prism 311c, and the fixing hole 412 is sleeved on the hexagonal prism 311 c. The hexagonal fixing hole 412 is sleeved on the mounting shaft 311a of the hexagonal prism 311c, so that the driving disc 311 is fixedly connected with the rotating end 41.

Referring to fig. 2 and 7, a rotating disc 312 is rotatably connected to the driving disc 311, a first hollow cylinder 312a is formed on one side of the rotating disc 312, and inner gear teeth 312b are formed on an inner wall of the first hollow cylinder 312 a; one end of each of the two claws 313 is rotatably mounted on two opposite sides of the circumference of the driving disc 311, the other ends of the two claws 313 are close to each other, one side of each claw 313, which is far away from the driving disc 311, is provided with an external gear tooth 313a, and the two claws 313 are arranged in the first hollow cylinder 312 a; the first elastic piece 314 extends along the circumferential direction of the driving disc 311, the middle part of the first elastic piece 314 is connected with the driving disc 311, and two ends of the first elastic piece 314 are respectively abutted to the two claws 313; wherein, one end of the pulling wire 33 is fixed with the rotating disc 312 and wound on the outer side of the rotating disc 312, and when the claw 313 is close to the inner wall of the first hollow cylinder 312a, the outer gear teeth 313a are engaged with the inner gear teeth 312 b.

The center of the rotating disc 312 is also provided with a hole matched with the mounting shaft 311a extending from the driving disc 311, and the hole is sleeved on the mounting shaft 311a, so that the rotating disc 312 is rotatably connected with the driving disc 311. Through installing two jack catches 313 at the two opposite sides of circumference of driving dish 311, set up first flexure strip 314 between two jack catches 313, when driving dish 311 rotates, first flexure strip 314 can follow driving dish 311 and rotate together, and can compress tightly one side jack catch 313 (the jack catch 313 of direction of rotation side), make it be close to first hollow cylinder 312a inner wall, the jack catch 313 of opposite side then can become relaxed, outer teeth 313a on the jack catch 313 of compressed side meshes with interior teeth 312b mutually, and drive rotary disk 312 and rotate together, at this moment, the guy wire 33 that one end is fixed and twine on rotary disk 312 is then pulled, thereby reach the purpose of controlling the intake aperture of air inlet valve, the air input of air spring 36 increases or diminishes, and then promote or reduce seat height.

Further, referring to fig. 7, a plurality of grooves 312c are concavely formed on an outer wall surface of the first hollow cylinder 312a, and the plurality of grooves 312c are equidistantly distributed along the circumferential direction of the first hollow cylinder 312 a; a second hollow cylinder 13 is arranged on one side of the base 1 close to the groove 312 c; the adjusting device 3 further comprises a limiting ball 34, a sealing cover 35 and a spring 36, wherein one end of the limiting ball 34 is located in the second hollow cylinder 13, and the other end of the limiting ball is abutted to the groove 312 c; the sealing cover 35 is arranged at one end of the second hollow cylinder 13 far away from the limiting ball 34 and used for sealing the second hollow cylinder 13; and a spring 36 is positioned in the second hollow cylinder 13, and two ends of the spring 36 are respectively abutted against the limiting ball 34 and the sealing cover 35.

Specifically, the cross-sectional shape of the groove 312c is circular arc, and the groove 312c is transited through the circular arc-shaped groove, so that a better guiding effect is achieved. In addition, the sealing cover 35 can adopt a screw matched with the inner diameter of the second hollow cylinder 13, and the screw is installed by arranging threads on the inner wall of the second hollow cylinder 13 to realize sealing, so that the sealing cover is easy to install and disassemble and convenient to process.

On the basis of the previous embodiment, by arranging a plurality of circular arc-shaped grooves 312c on the outer wall of the first hollow cylinder 312a, and arranging the limiting balls 34 and the springs 36 outside the grooves 312c, when the jaws 313 drive the rotating disc 312 to rotate, the rotating disc 312 is pressed by the limiting balls 34, when the free end 42 of the poke rod moves, the rotating disc 312 overcomes the pressure of the springs 36 under the action of external force, so that the limiting balls 34 enter the next adjacent grooves 312c, the grooves 312c are distributed at equal intervals, and the rotating disc 312 advances one groove 312c at a time under the fixed stroke of the poke rod, at the moment, the pull wire 33 also rotates one groove 312c, the pull wire 33 moves at equal intervals, and the air inlet opening of the air spring 36 is controlled at equal intervals, so that the seat height is increased or reduced.

Further, referring to fig. 2, the rotating end 41 is provided with a limiting column 411 protruding outwards along the left-right direction, and the limiting column 411 is located below the rotating shaft 2; the elastic reset element comprises a reset torsion spring 321, the reset torsion spring 321 comprises a first straight line segment 321a, a bending segment 321b and a second straight line segment 321c which are sequentially connected along the bending direction of the reset torsion spring 321, the bending segment 321b is sleeved on the rotating shaft 2, the first straight line segment 321a and the second straight line segment 321c are respectively abutted to two sides of the limiting column 411, and therefore the first straight line segment 321a and the second straight line segment 321c are arranged in a crossed mode.

Through the protruding spacing post 411 that establishes in the outside of rotation end 41 to set up reset torsion spring 321 between spacing post 411 and pivot 2, when making rotation end 41 revolve rotation axis 2, reset torsion spring 321 is extruded and takes place elastic deformation, when loosening the free end 42 of poker rod, under the elastic force effect of reset torsion spring 321, poker rod return, thereby drive rotating assembly 31 return. For example, on the basis of the above embodiment, after the poke rod automatically returns to the original position under the elastic force of the reset torsion spring 321, the driving disk 311 rotates along with the poke rod, and the first elastic piece 314 rotates along with the driving disk 311 and drives the claw 313 to return to the original position.

Further, the extending direction of the toggle piece 4 is front-back direction, and the toggle piece 4 is located at the front side of the base 1; the elastic reset piece further comprises a second elastic piece 322 arranged at the rear side, one end of the second elastic piece 322 is fixed on the base 1, and the other end of the second elastic piece 322 is arranged in a manner of inclining downwards from the rear to the front so as to press the second elastic piece 322 when the free end 42 moves downwards.

The second elastic sheet 322 is arranged below the stirring piece 4, so that the second elastic sheet 322 is squeezed to be elastically deformed when the movable end of the stirring piece 4 moves downwards, at the moment, the movable end of the stirring piece 4 is loosened, and the movable end moves upwards to return under the elastic action of the second elastic sheet 322 and the reset torsion spring 321. The second resilient tab 322 helps to further return the tap lever and thus the rotating assembly 31.

Further, the seat height adjusting structure 100 further includes two plum blossom bearing clamps 5, two the plum blossom bearing clamps 5 are respectively sleeved at two ends of the rotating shaft 2 and are respectively abutted against the base 1 to limit the axial movement of the rotating shaft 2.

In this embodiment, as shown in fig. 5, two plum blossom bearing clamps 5 respectively with base 1 and rotation end 41 butt, this department is unrestricted, can decide according to the processing condition of actual spare part, mainly play the spacing effect of countershaft 2 axial, here, also can extend a fixed plate on base 1 and come to form with one side of the fixed pivot 2 of base 1 and hold the chamber, press from both sides adjusting device 3 in holding the chamber to make two plum blossom bearing clamps 5 respectively with the both ends looks butt of base 1.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.