阅读说明：本技术 一种用于衣物的干燥装置 (Drying device for clothes ) 是由 张刚 于 2020-06-16 设计创作，主要内容包括：本发明涉及一种用于衣物的干燥装置,包括底座、筒体、移门、驱动机构和固定机构,驱动机构包括电机、第一齿轮、第二齿轮、转杆和轴承座,固定机构包括固定组件和夹持组件,该用于衣物的干燥装置通过驱动机构、烘干机构和固定机构实现对衣物的固定、烘干和旋转,该烘干机构通过转动转动杆,使得转动杆内的热量快速分布至筒体内,使得筒体内的衣物均匀受热,该固定机构通过固定组件和夹持组件实现对衣物的上下固定,使得衣物撑开,防止衣物折叠在一起,导致衣物的褶皱和烘干衣物的时间加长,该驱动机构通过齿轮带动筒体转动,使得筒体与烘干机构的反方向转动,实现对筒体内的热量的错流,使得筒体内的衣物更好的均匀受热,提高了使用的实用性。(The invention relates to a drying device for clothes, which comprises a base, a cylinder, a sliding door, a driving mechanism and a fixing mechanism, wherein the driving mechanism comprises a motor, a first gear, a second gear, a rotating rod and a bearing seat, the fixing mechanism comprises a fixing component and a clamping component, the drying device for clothes realizes the fixation, drying and rotation of the clothes through the driving mechanism, the drying mechanism enables heat in the rotating rod to be rapidly distributed into the cylinder through rotating the rotating rod, so that the clothes in the cylinder are uniformly heated, the fixing mechanism realizes the up-and-down fixation of the clothes through the fixing component and the clamping component, the clothes are spread, the clothes are prevented from being folded together, the wrinkles of the clothes and the time for drying the clothes are prolonged, the driving mechanism drives the cylinder to rotate through the gears, so that the cylinder and the drying mechanism rotate in opposite directions, the cross flow of heat in the barrel is realized, so that clothes in the barrel are uniformly heated better, and the practicability of use is improved.)

1. The drying device for the clothes is characterized by comprising a base (1), a barrel (2), a sliding door (3), a driving mechanism and a fixing mechanism, wherein the barrel (2) is vertically arranged on the base (1), the sliding door (3) is arranged on the barrel (2), the sliding door (3) is hinged with the barrel (2), and the driving mechanism and the fixing mechanism are both positioned in the barrel (2);

an arc-shaped clamping groove is formed in the base (1), a limiting ball (4) is arranged in the clamping groove, the limiting ball (4) is located in the clamping groove, the barrel (2) is located right above the clamping groove, a connecting rod (5) is arranged between the barrel (2) and the limiting ball (4), the barrel (2) is connected with the limiting ball (4) through the connecting rod (5), and the limiting ball (4) is connected with the annular clamping groove in a sliding mode;

the driving mechanism comprises a motor (6), a first gear (7), a second gear (8), a rotating rod (9) and a bearing seat (10), wherein the motor (6) is vertically arranged in the base (1) upwards, the first gear (7) is arranged in the barrel (2), the first gear (7) is sleeved on a rotating shaft of the motor (6), the first gear (7) is connected with the rotating shaft key of the motor (6), the second gear (8) is arranged on one side of the first gear (7), the bearing seat (10) is arranged on the base (1), the rotating rod (9) is arranged between the bearing seat (10) and the second gear (8), the rotating rod (9) is connected with the base (1) through the bearing seat (10), the second gear (8) is sleeved on one end of the rotating rod (9) far away from the bearing seat (10), the second gear (8) is connected with the rotating rod (9) through the bearing seat (10), the second gear (8) is meshed with the first gear (7);

a third gear (11) is arranged on the inner wall of the barrel (2), the third gear (11) is an internal gear, and the second gear (8) is meshed with the third gear (11);

the fixing mechanism comprises a fixing component and a clamping component, the fixing component is arranged at the top end inside the cylinder body (2), the fixing assembly comprises a circular plate (12), a fixing rod (13) and a fixing unit, the circular plate (12) is arranged above the first gear (7), the fixing rod (13) is arranged between the circular plate (12) and the inner wall of the top end of the cylinder body (2), the circular plate (12) is connected with the cylinder body (2) through a fixed rod (13), the fixed units are arranged on the same circumference and are arranged below the circular plate (12), the fixing unit comprises a round rod (14) and a collar (15), the collar (15) is arranged below the round plate (12), the round rod (14) is positioned between the lantern ring (15) and the round plate (12), the lantern ring (15) is connected with the circular plate (12) through a circular rod (14);

the clamping assembly is located between the lantern ring (15) and the first gear (7), the clamping assembly comprises a connecting plate (16), a limiting unit and a clamping unit, the connecting plate (16) is annular, a through hole is formed in the connecting plate (16), the outer ring of the connecting plate (16) is connected with the inner ring of the barrel (2), the limiting unit is provided with a plurality of limiting units, each limiting unit is located on the same circumference, the limiting unit comprises a first magnet (17) and a second magnet (18), the first magnet (17) and the second magnet (18) are abutted against each other, one end, far away from the second magnet (18), of the first magnet (17) is connected with the inner ring of the connecting plate (16), the clamping unit comprises a connecting ring (19), a connecting rod (20) and a fastening mechanism, the connecting ring (19) is arranged at the through hole of the connecting plate (16), and the central axis of the connecting ring (19) is coincided with the central axis of the connecting plate (, the connecting rod (20) is arranged between the connecting ring (19) and the connecting plate (16), the connecting ring (19) is connected with the inner wall of the inner ring of the connecting plate (16) through a connecting rod (20), the fastening mechanisms are arranged on the same circumference and comprise a first supporting rod (21), a second supporting rod (22) and a fastening block (23), the first supporting rod (21) and the second supporting rod (22) are arranged in a crossed manner, the crossed part of the first supporting rod (21) and the second supporting rod (22) is hinged, a torsional spring is arranged at the hinged position of the first supporting rod (21) and the second supporting rod (22), the number of the fastening blocks (23) is two, the two fastening blocks (23) are respectively arranged on the first support rod (21) and the second support rod (22), the two fastening blocks (23) are arranged oppositely, and the first support rod (21) is connected with the connecting ring (19);

be equipped with stoving mechanism in barrel (2), stoving mechanism includes electric heat pole (24) and dwang (25), dwang (25) cavity sets up, dwang (25) are installed on motor (6) through go-between (19), electric heat pole (24) set up in dwang (25).

2. Drying apparatus for laundry according to claim 1, characterized in that the turning rod (25) is provided with a number of through holes.

3. Drying appliance for clothes according to claim 1, characterized in that two ultraviolet lamps (26) are provided in the drum (2), two ultraviolet lamps (26) being provided between the connecting plate (16) and the collar (15), the ultraviolet lamps (26) being annular, the outer circumference of the ultraviolet lamps (26) being connected to the inner wall of the drum (2).

4. Drying appliance for laundry according to claim 1, characterized in that the fastening block (23) is made of rubber.

5. Drying apparatus for laundry according to claim 1, characterized in that the surface of the swivelling levers (25) is a mirror surface.

6. Drying apparatus for laundry as claimed in claim 1, characterised in that the annular clamping groove is internally coated with a lubricating oil.

7. The drying device for clothes according to claim 1, wherein a rotating plate (27) is arranged in the drum body (2), the rotating plate (27) is positioned between the connecting plate (16) and the first gear (7), the rotating plate (27) is sleeved on a rotating shaft of the motor (6), the rotating plate (27) is fixedly connected with the rotating shaft of the motor (6), a limiting groove is arranged on the rotating plate (27), and perfume (28) is arranged in the limiting groove.

8. Drying apparatus for laundry according to claim 1, characterized in that the material of which the swivelling levers (25) are made is aluminium alloy.

9. Drying appliance for laundry according to claim 1, characterized in that the motor (6) is a servo motor.

10. Drying apparatus for laundry according to claim 1, characterized in that the sliding door (3) is provided with a handle.

Technical Field

The invention relates in particular to a drying device for laundry.

Background

A laundry treatment apparatus is a device that generally performs various operations (washing, drying, deodorizing, wrinkle removal) related to laundry, and includes a washing machine that washes laundry, a drying apparatus that dries wet laundry, and a refresher that removes odor and wrinkles from laundry.

However, such a laundry treating apparatus uses a drum to receive laundry and a driving unit to rotate the drum such that the laundry inside the drum is dried, but the laundry introduced into the drum is in a folded state rather than in a straightened state, and thus the dried laundry is wrinkled when taken out of the drum, and thus ironing of the laundry using an ironing machine is also required, which is troublesome.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the disadvantages of the prior art, a drying device for laundry is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a drying device for clothes comprises a base, a barrel, a sliding door, a driving mechanism and a fixing mechanism, wherein the barrel is vertically arranged on the base, the sliding door is arranged on the barrel, the sliding door is hinged with the barrel, and the driving mechanism and the fixing mechanism are both positioned in the barrel;

the base is provided with an arc-shaped clamping groove, a limiting ball is arranged in the clamping groove, the limiting ball is positioned in the clamping groove, the barrel is positioned right above the clamping groove, a connecting rod is arranged between the barrel and the limiting ball, the barrel is connected with the limiting ball through the connecting rod, and the limiting ball is in sliding connection with the annular clamping groove;

the driving mechanism comprises a motor, a first gear, a second gear, a rotating rod and a bearing seat, wherein the motor is vertically arranged in the base upwards, the first gear is arranged in the cylinder body, the first gear is sleeved on a rotating shaft of the motor and is in key connection with the rotating shaft of the motor, the second gear is arranged on one side of the first gear, the bearing seat is arranged on the base, the rotating rod is arranged between the bearing seat and the second gear, the rotating rod is connected with the base through the bearing seat, the second gear is sleeved on one end of the rotating rod, which is far away from the bearing seat, is in key connection with the rotating rod, and the second gear is meshed with the first gear;

a third gear is arranged on the inner wall of the cylinder body, the third gear is an internal gear, and the second gear is meshed with the third gear;

the fixing mechanism comprises a fixing assembly and a clamping assembly, the fixing assembly is arranged at the top end inside the barrel and comprises a circular plate, a fixing rod and a plurality of fixing units, the circular plate is arranged above the first gear, the fixing rod is arranged between the circular plate and the inner wall of the top end of the barrel, the circular plate is connected with the barrel through the fixing rod, the fixing units are arranged on the same circumference, the fixing units are arranged below the circular plate and comprise a circular rod and a lantern ring, the lantern ring is arranged below the circular plate, the circular rod is arranged between the lantern ring and the circular plate, and the lantern ring is connected with the circular plate through the circular rod;

the clamping assembly is positioned between the lantern ring and the first gear, the clamping assembly comprises a connecting plate, a limiting unit and a clamping unit, the connecting plate is annular, a through hole is formed in the connecting plate, the outer ring of the connecting plate is connected with the inner ring of the barrel, the limiting unit is provided with a plurality of limiting units, each limiting unit is positioned on the same circumference, the limiting unit comprises a first magnet and a second magnet, the first magnet and the second magnet abut against each other, one end, far away from the second magnet, of the first magnet is connected with the inner ring of the connecting plate, the clamping unit comprises a connecting ring, a connecting rod and a fastening mechanism, the connecting ring is arranged at the through hole of the connecting plate, the central axis of the connecting ring is superposed with the central axis of the connecting plate, the connecting rod is arranged between the connecting ring and the connecting plate, the connecting ring is connected with the, the fastening mechanisms are positioned on the same circumference and comprise a first support rod, a second support rod and fastening blocks, the first support rod and the second support rod are arranged in a crossed mode, the crossed part of the first support rod and the second support rod is hinged, a torsion spring is arranged at the hinged part of the first support rod and the second support rod, the number of the fastening blocks is two, the two fastening blocks are respectively arranged on the first support rod and the second support rod, the two fastening blocks are arranged oppositely, and the first support rod is connected with the connecting ring;

be equipped with stoving mechanism in the barrel, stoving mechanism includes electric heat pole and dwang, dwang cavity sets up, the dwang passes through the go-between and installs on the motor, the electric heat pole sets up in the dwang.

In order to better transmit heat, the rotating rod is provided with a plurality of through holes.

In order to realize sterilization of clothes, the inside of the barrel is provided with two ultraviolet lamp tubes, the two ultraviolet lamp tubes are arranged between the connecting plate and the lantern ring, the ultraviolet lamp tubes are annular, and the outer rings of the ultraviolet lamp tubes are connected with the inner wall of the barrel.

In order to prevent clothes from being damaged, the fastening block is made of rubber.

In order to reflect light of ultraviolet rays and improve the sterilization effect, the surface of the rotating rod is a mirror surface.

For smooth rotation, lubricating oil is coated in the annular clamping groove.

In order to improve the comfort of the user, be equipped with the commentaries on classics board in the barrel, it is located between connecting plate and the first gear to change the board, change the pivot of board cover at the motor and establish, change the pivot fixed connection of board and motor, be equipped with the spacing groove on changing the board, the spacing inslot is equipped with perfume.

For better heat conduction, the manufacturing material of dwang is the aluminum alloy.

For convenience, the motor is a servo motor.

For convenience, a handle is arranged on the sliding door.

The invention has the advantages that the drying device for clothes realizes the fixation, drying and rotation of the clothes through the driving mechanism, the drying mechanism and the fixing mechanism, compared with the prior drying mechanism, the drying mechanism enables the heat in the rotating rod to be rapidly distributed into the barrel body through rotating the rotating rod, so that clothes in the barrel body are uniformly heated, the fixing mechanism realizes the up-and-down fixation of the clothes through the fixing component and the clamping component, so that the clothes are spread, the clothes are prevented from being folded together, the clothes are prevented from being wrinkled, the time for drying the clothes is prolonged, compared with the prior driving mechanism, this actuating mechanism passes through the gear and drives the barrel rotation for the barrel rotates with drying mechanism's opposite direction, realizes the thermal cross-flow in the barrel, makes the better thermally equivalent of the clothing in the barrel, has improved the practicality of using.

Drawings

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

Fig. 1 is a schematic configuration view of a drying apparatus for laundry according to the present invention;

fig. 2 is a schematic configuration view of a drying apparatus for laundry according to the present invention;

fig. 3 is a schematic view of a connection structure of a first gear, a first gear and a third gear of the drying device for laundry according to the present invention;

fig. 4 is a schematic view of a fixing assembly of the drying apparatus for laundry according to the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 2;

FIG. 6 is an enlarged view of portion B of FIG. 2;

fig. 7 is a schematic structural view of a grip unit of the drying apparatus for laundry according to the present invention;

fig. 8 is a schematic structural view of a fastening mechanism of the drying apparatus for laundry according to the present invention;

in the figure: 1. the automobile lamp comprises a base, 2. a cylinder body, 3. a sliding door, 4. a limiting ball, 5. a connecting rod, 6. a motor, 7. a first gear, 8. a second gear, 9. a rotating rod, 10. a bearing seat, 11. a third gear, 12. a circular plate, 13. a fixing rod, 14. a supporting rod, 15. a lantern ring, 16. a connecting plate, 17. a first magnet, 18. a second magnet, 19. a connecting ring, 20. a connecting rod, 21. a first supporting rod, 22. a second supporting rod, 23. a fastening block, 24. an electric heating rod, 25. a rotating rod, 26. an ultraviolet lamp tube, 27. a rotating plate and 28. perfume.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1-8, a drying device for clothes comprises a base 1, a drum 2, a sliding door 3, a driving mechanism and a fixing mechanism, wherein the drum 2 is vertically arranged on the base 1, the sliding door 3 is arranged on the drum 2, the sliding door 3 is hinged with the drum 2, and the driving mechanism and the fixing mechanism are both arranged in the drum 2;

an arc-shaped clamping groove is formed in the base 1, a limiting ball 4 is arranged in the clamping groove, the limiting ball 4 is located in the clamping groove, the barrel 2 is located right above the clamping groove, a connecting rod 5 is arranged between the barrel 2 and the limiting ball 4, the barrel 2 is connected with the limiting ball 4 through the connecting rod 5, and the limiting ball 4 is connected with the annular clamping groove in a sliding mode;

the driving mechanism comprises a motor 6, a first gear 7, a second gear 8, a rotating rod 9 and a bearing seat 10, wherein the motor 6 is vertically arranged in the base 1 upwards, the first gear 7 is arranged in the barrel 2, the first gear 7 is sleeved on a rotating shaft of the motor 6, the first gear 7 is in key connection with the rotating shaft of the motor 6, the second gear 8 is arranged on one side of the first gear 7, the bearing seat 10 is arranged on the base 1, the rotating rod 9 is arranged between the bearing seat 10 and the second gear 8, the rotating rod 9 is connected with the base 1 through the bearing seat 10, the second gear 8 is sleeved at one end, far away from the bearing seat 10, of the rotating rod 9, the second gear 8 is in key connection with the rotating rod 9, and the second gear 8 is meshed with the first gear 7;

a third gear 11 is arranged on the inner wall of the cylinder 2, the third gear 11 is an internal gear, and the second gear 8 is meshed with the third gear 11;

the fixing mechanism comprises a fixing assembly and a clamping assembly, the fixing assembly is arranged at the top end inside the barrel 2, the fixing assembly comprises a circular plate 12, a fixing rod 13 and a plurality of fixing units, the circular plate 12 is arranged above the first gear 7, the fixing rod 13 is arranged between the circular plate 12 and the inner wall of the top end of the barrel 2, the circular plate 12 is connected with the barrel 2 through the fixing rod 13, the fixing units are arranged on the same circumference, the fixing unit is arranged below the circular plate 12 and comprises a circular rod 14 and a lantern ring 15, the lantern ring 15 is arranged below the circular plate 12, the circular rod 14 is arranged between the lantern ring 15 and the circular plate 12, and the lantern ring 15 is connected with the circular plate 12 through the circular rod 14;

the clamping assembly is located between the lantern ring 15 and the first gear 7, the clamping assembly comprises a connecting plate 16, a plurality of limiting units and clamping units, the connecting plate 16 is annular, a through hole is formed in the connecting plate 16, the outer ring of the connecting plate 16 is connected with the inner ring of the barrel 2, each limiting unit is located on the same circumference, each limiting unit comprises a first magnet 17 and a second magnet 18, the first magnet 17 and the second magnet 18 abut against each other, one end, far away from the second magnet 18, of the first magnet 17 is connected with the inner ring of the connecting plate 16, each clamping unit comprises a connecting ring 19, a connecting rod 20 and a fastening mechanism, the connecting ring 19 is arranged at the through hole of the connecting plate 16, the central axis of the connecting ring 19 is overlapped with the central axis of the connecting plate 16, the connecting rod 20 is arranged between the connecting ring 19 and the connecting plate 16, and the connecting ring 19 is connected with the inner wall of the inner ring, the fastening mechanisms are arranged on the same circumference and comprise a plurality of first supporting rods 21, a plurality of second supporting rods 22 and fastening blocks 23, the first supporting rods 21 and the second supporting rods 22 are arranged in a crossed mode, the crossed positions of the first supporting rods 21 and the second supporting rods 22 are hinged, torsion springs are arranged at the hinged positions of the first supporting rods 21 and the second supporting rods 22, the fastening blocks 23 are two, the two fastening blocks 23 are respectively arranged on the first supporting rods 21 and the second supporting rods 22, the two fastening blocks 23 are arranged oppositely, and the first supporting rods 21 are connected with the connecting rings 19;

be equipped with stoving mechanism in barrel 2, stoving mechanism includes electric hot rod 24 and dwang 25, dwang 25 cavity sets up, dwang 25 passes through go-between 19 and installs on motor 6, electric hot rod 24 sets up in dwang 25

In order to better transfer heat away, the rotating rod 25 is provided with a plurality of through holes.

In order to sterilize the clothes, two ultraviolet lamp tubes 26 are arranged in the cylinder 2, the two ultraviolet lamp tubes 26 are arranged between the connecting plate 16 and the lantern ring 15, the ultraviolet lamp tubes 26 are annular, and the outer ring of each ultraviolet lamp tube 26 is connected with the inner wall of the cylinder 2.

In order to prevent the clothes from being damaged, the fastening block 23 is made of rubber.

In order to reflect light to ultraviolet rays and improve the sterilization effect, the surface of the rotating rod 25 is a mirror surface.

For smooth rotation, lubricating oil is coated in the annular clamping groove.

In order to improve the comfort of the user, be equipped with the commentaries on classics board 27 in the barrel 2, commentaries on classics board 27 is located between connecting plate 16 and first gear 7, change board 27 cover and establish in the pivot of motor 6, change board 27 and motor 6's pivot fixed connection, be equipped with the spacing groove on the commentaries on classics board 27, the spacing inslot is equipped with perfume 28.

For better heat conduction, the rotating rod 25 is made of aluminum alloy.

For convenience, the motor 6 is a servo motor.

For convenience, a handle is arranged on the sliding door 3.

When it is desired to dry the laundry, the sliding door 3 is opened, the laundry is hung on the clothes hanger, the hook of the clothes hanger is hung on the loop 15, the bottom end of the laundry is arranged in the drum 2 in an empty state, the first magnet 17 is separated from the second magnet 18 by moving the first magnet 17, a corner of the laundry is placed between the first magnet 17 and the second magnet 18, the laundry is fixed by the attraction of the first magnet 17 and the second magnet 18, the second pole 22 is separated from the first pole 21 by pushing the second pole 22, the two fastening blocks 23 are separated, the other corner of the laundry is placed between the two fastening blocks 23, the second pole 22 is released, the laundry is clamped by the restoring force of the torsion spring provided at the hinge of the first pole 21 and the second pole 22, and the laundry passes through the fixing assembly and the clamping assembly, causing the garment to spread.

Then the sliding door is closed, at this time, the driving motor 6 works, the motor 6 drives the first gear 7 to rotate, the first gear 7 drives the second gear 8 to rotate, the second gear 8 drives the third gear 11 on the inner wall of the barrel 2 to rotate, here, the second gear 8 is fixed with the bearing seat 10 through the rotating rod 9, and the bearing seat 10 is fixed with the base 1, so the second gear 8 is fixed here, the second gear 8 only can rotate on the rotating rod 9, so the third gear 11 can drive the barrel 2 to rotate through rotating, thereby the clothes in the barrel 2 can be rotated, meanwhile, the motor 6 drives the rotating rod 25 to rotate, the rotating rod 25 drives the electric heating rod 24 to rotate, so that the hot air in the electric heating rod 24 flows into the barrel 2 through the through hole, thereby the clothes can be dried.

Here actuating mechanism drives barrel 2 through the gear and rotates for barrel 2 and drying mechanism's opposite direction rotate, realize the cross-flow to the heat in barrel 2, make the clothing in barrel 2 better be heated evenly.

Here through setting up the ring groove on base 1 for barrel 2 passes through connecting rod 5 and is connected with spacing ball 4, makes spacing ball 4 slide in ring groove, realizes spacing to barrel 2, makes the meshing with second gear 8 that third gear 11 on the barrel 2 inner wall can be better.

The clothes can be sterilized by the ultraviolet lamp tube 26 arranged on the barrel 2, and the rotating rod 25 arranged on the mirror surface enables ultraviolet lamp light to reflect light through the rotating rod 25 when the ultraviolet lamp light irradiates the rotating rod 25, so that the ultraviolet light can irradiate all corners of the clothes, and the sterilizing effect is improved.

The comfort of the user can also be increased here by means of the perfume 28 arranged on the rotating plate 27.

The electric heating rod 24 and the motor 6 are connected with a power supply.

Compared with the prior art, the drying device for clothes realizes the fixation, drying and rotation of clothes through the driving mechanism, the drying mechanism and the fixing mechanism, compared with the prior drying mechanism, the drying mechanism enables the heat in the rotating rod 25 to be rapidly distributed into the cylinder body 2 through rotating the rotating rod 25, so that the clothes in the cylinder body 2 are uniformly heated, compared with the prior fixing mechanism, the fixing mechanism realizes the up-and-down fixation of the clothes through the fixing component and the clamping component, so that the clothes are separated, the clothes are prevented from being folded together, the clothes are prevented from being folded, the clothes are prevented from being wrinkled, the time for drying the clothes is prolonged, compared with the prior driving mechanism, the driving mechanism drives the cylinder body 2 to rotate through the gear, the cylinder body 2 rotates in the opposite direction of the drying mechanism, the cross flow of the heat in the cylinder body 2 is realized, and the clothes in the cylinder body 2 are better and, the practicability of use is improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.