阅读说明：本技术 一种妇产科护理用冷敷装置及其使用方法 (Cold compress device for gynecological and obstetrical nursing and use method thereof ) 是由 马爱娟 于 2021-08-06 设计创作，主要内容包括：本发明属于医疗技术领域,具体的说是一种妇产科护理用冷敷装置及其使用方法,包括安装盒、进料口、摆动架、滚轮、分流管、支撑架、乳胶垫、旋转盘和抖动马达；通过进料口内投入冰块,同时灌装冰水,然后通过进料塞对进料口进行封堵,冰水在安装盒内自由流动,通过弹簧网对冰块进行限定,通过摆动电机带动摆动轴旋转,在摆动杆的摆动过程中,能够实现对冰块的翻动,同时实现冷水的搅动,实现液体的流动,能够更好的实现冷敷效果,保证接触面上的温度稳定,当伤口未愈合时,打开摆动架,能够将滚轮向下展开,通过水实现对空气的冷却,在冷却后的气体通过分流管排出,实现冷空气扫掠,在实现冷却目的,同时避免触摸伤口,更好的保护伤口。(The invention belongs to the technical field of medical treatment, in particular to a cold compress device for gynecological and obstetrical nursing and a using method thereof, wherein the cold compress device comprises a mounting box, a feeding hole, a swing frame, a roller, a shunt pipe, a support frame, a latex pad, a rotating disk and a shaking motor; put into the ice-cube in through the feed inlet, the frozen water of filling simultaneously, then carry out the shutoff through the feeding stopper to the feed inlet, frozen water freely flows in the mounting box, inject the ice-cube through the spring net, it is rotatory to drive the swing axle through swing motor, in the swing in-process of swinging arms, can realize turning to the ice-cube, realize the stirring of cold water simultaneously, realize the flow of liquid, realization cold compress effect that can be better, guarantee the temperature stability on the contact surface, when the wound is not healed, open the swing span, can expand the gyro wheel downwards, realize the cooling to the air through water, gas after the cooling passes through the shunt tubes and discharges, realize cold air and sweep, realize cooling purpose, avoid touching the wound simultaneously, better protection wound.)

1. The utility model provides a cold compress device is used in gynaecology and obstetrics's nursing which characterized in that: the device comprises a mounting box (1), a feed inlet (2), a feed plug (3), an air inlet fan (4), a roller frame (5), a swing frame (6), a roller (7), a roller groove (8), a cooling pipe (9), a piston (10), a first spring (11), a limit buckle (12), a pull ring (13), an air cylinder (14), a swing motor (15), a swing rod (16), a swing shaft (17), a spring net (18), a second spring (19), a vibration groove (20), a rolling ball (21), a mounting rod (22), a shunt tube (23), a support frame (24), an emulsion pad (25), a rotating disc (26), a shaking motor (27) and a pull rod (28); the utility model discloses a cold compress device, including mounting box (1), feed inlet (2) have been seted up on the inside box wall of mounting box (1) side by side to be fixed with two spring nets (18), feed plug (3) are installed to the inside cooperation of feed inlet (2), install on the inner wall of mounting box (1) on the inner wall of swing motor (15), install swing axle (17) in the pivot of swing motor (15), install swinging arms (16) on the periphery of swing axle (17), the cold compress mouth has been seted up at the top of mounting box (1), latex pad (25) encapsulation is on the cold compress mouth, and the cold compress mouth is erect support frame (24), shake motor (27) is installed to the central point of support frame (24), install rotary disk (26) in the pivot of shake motor (27), the terminal surface eccentric position at rotary disk (26) is fixed through the round pin axle cooperation to the one end of pull rod (28), the other end of the pull rod (28) is stuck and fixed on the latex pad (25).

2. A cold compress device for gynecological care according to claim 1, characterized in that: the spring nets (18) are arranged on the upper side and the lower side of the port of the feeding hole (2), the swing motor (15) is arranged between the two spring nets (18), and the end face of the swing rod (16) is an arc surface.

3. A cold compress device for gynecological care according to claim 1, characterized in that: one side of mounting box (1) is fixed with cylinder (14), the inside of cylinder (14) is provided with piston (10), the rigid coupling has first spring (11) between the top inner wall that piston (10) had cylinder (14), spacing knot (12) are fixed in the top outside of cylinder (14), the bottom of piston (10) is connected with the silk thread, pull ring (13) are fixed at the other end of silk thread, spacing knot (12) inside is provided with the line hole, pull ring (13) diameter is greater than the line hole diameter, cylinder (14) and the cavity intercommunication of mounting box (1).

4. A cold compress device for gynecological care according to claim 1, characterized in that: the bottom of mounting box (1) has been seted up gyro wheel groove (8), install gyro wheel frame (5) on the cell wall of one side of gyro wheel groove (8), the top of swing span (6) is installed in gyro wheel frame (5) through the damping axle cooperation, gyro wheel (7) are installed through the roller bearing cooperation in the inside of swing span (6).

5. A cold compress device for gynecological care according to claim 1, characterized in that: vibration tank (20) have been seted up to the bottom of mounting box (1), the inside of vibration tank (20) is provided with installation pole (22), the rigid coupling has second spring (19) between the top cell wall of installation pole (22) and vibration tank (20), the mounting groove has been seted up to the bottom of installation pole (22), roll ball (21) spiral-lock is in the mounting groove.

6. A cold compress device for gynecological care according to claim 1, characterized in that: the inside of installation pole (22) is seted up there is the gas pocket, shunt tubes (23) are installed in the top port department of gas pocket, and the bottom and the mounting groove intercommunication of gas pocket, shunt tubes (23) are the cross structure.

7. A cold compress device for gynecological care according to claim 1, characterized in that: the bottom inner wall upper berth of mounting box (1) is equipped with cooling tube (9), cooling tube (9) and shunt tubes (23) intercommunication, it is equipped with air inlet fan (4) to inlay on the lateral wall of mounting box (1), air inlet fan (4) and cooling tube (9) intercommunication.

8. The use method of the cold compress device for gynecological and obstetrical nursing is characterized in that: the method comprises the following steps:

s1: when the ice-cube cold compress device is used, ice cubes are put into the feeding hole (2), ice water is filled at the same time, then the feeding hole (2) is plugged through the feeding plug (3), the ice water freely flows in the mounting box (1), the ice cubes are limited through the spring net (18), the swing motor (15) drives the swing shaft (17) to rotate, the ice cubes can be turned over in the swing process of the swing rod (16), meanwhile, the cold water is stirred, the liquid flows, the cold compress effect can be better realized, and the temperature stability on a contact surface is ensured;

s2: during cold compress, the latex pad (25) is in contact with the surface of skin, in the cold compress process, the piston (10) is matched with the piston (13), the air in the air cylinder (14) is supplemented into the mounting box (1), the internal air pressure of the mounting box (1) is sufficient, the latex pad (25) can be tightly attached to the skin, meanwhile, the motor (27) is shaken to drive the rotating disc (26) to rotate, the latex pad (25) is pulled through the pull rod (28), shaking of the latex pad (25) can be better realized, low-frequency shaking massage can be realized, in the cold compress process, cold air can permeate the skin, a better cooling effect is achieved, and better anti-inflammation and cooling effects are achieved;

s3: in the cold compress process, when the wound is not healed, the swing frame (6) is opened, the roller (7) can be unfolded downwards, after the wound is unfolded, the air is circulated through the cooling pipe (9) through the air inlet fan (4), the air is cooled through water, the cooled air is discharged through the shunt pipe (23), cold air sweeping is achieved, the cooling purpose is achieved, meanwhile, the wound is prevented from being touched, the wound is better protected, when the wound is massaged and cooled, the roller (7) is received in the roller groove (8), the rolling ball (21) is in contact with the skin, when cold air is conveyed through the shunt pipe (23), the rolling ball (21) rolls, sliding cooling is achieved, rolling massage is achieved, friction to the skin is reduced, and the comfortable feeling is better.

Technical Field

The invention belongs to the technical field of medical treatment, and particularly relates to a cold compress device for gynecological and obstetrical nursing and a using method thereof.

Background

The obstetrics and gynecology department is one of four main subjects of clinical medicine, mainly researches the etiology, pathology, diagnosis and prevention of female reproductive organ diseases, physiological and pathological changes of pregnancy and delivery, prevention and diagnosis and treatment of high-risk pregnancy and dystocia, internal secretion in female reproduction, family planning, female health care and the like, deep research of medical basic theories such as modern molecular biology, oncology, genetics, reproductive endocrinology, immunology and the like and the progress of clinical medicine diagnosis and treatment detection technology, widens and deepens the development of gynecological science, and plays an important role in guaranteeing the health of women and reproduction and preventing and treating various gynecological diseases;

in gynaecology and obstetrics's treatment in-process, when treatment position is red and swollen, need carry out the cold compress detumescence and handle, current cold compress, generally through using ice bag cold compress, the shape of ice-cube is not unified, can not with skin in close contact with, the cold compress effect is not good, because the form of ice bag differs, in the use, the sense of touch is not good, when the ice bag only was used, can contact the wound, causes secondary damage easily, the cold compress effect is not good.

Therefore, the invention provides a cold compress device for gynecological and obstetrical nursing and a using method thereof.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problems that the ice bag is used for cold compress, the shape of ice blocks is not uniform, the ice blocks cannot be in close contact with the skin, the cold compress effect is poor, secondary injury is easily caused due to the fact that the ice bags are different in shape and poor in touch feeling in the using process, when the ice bags are only used, the ice bags are in contact with wounds, and the cold compress effect is poor, the cold compress device for gynecological nursing and the using method thereof are provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: the cold compress device for gynecological nursing comprises a mounting box, a feeding hole, a feeding plug, an air inlet fan, a roller frame, a swing frame, a roller groove, a cooling pipe, a piston, a first spring, a limiting buckle, a pull ring, an air cylinder, a swing motor, a swing rod, a swing shaft, a spring net, a second spring, a vibration groove, a rolling ball, a mounting rod, a shunt pipe, a support frame, an emulsion pad, a rotating disk, a shaking motor and a pull rod; the utility model discloses a vibrating screen, including mounting box, swing motor, swing axle, rocking shaft, cold compress mouth, latex pad encapsulation on the cold compress mouth, the support frame has been erect in the cold compress mouth, the central point of support frame puts and installs the shake motor, install the rotary disk in the pivot of shake motor, the terminal surface eccentric position at the rotary disk is fixed through the round pin axle cooperation to the one end of pull rod, the other end of pull rod is pasted and is fixed on the latex pad.

Preferably, the spring nets are arranged on the upper side and the lower side of the port of the feeding hole, the swing motor is arranged between the two spring nets, and the end face of the swing rod is an arc surface.

Preferably, a cylinder is fixed on one side of the mounting box, a piston is arranged in the cylinder, a first spring is fixedly connected between the inner walls of the top of the cylinder of the piston, a limiting buckle is fixed on the outer side of the top of the cylinder, a silk thread is connected to the bottom end of the piston, a pull ring is fixed at the other end of the silk thread, a thread hole is formed in the limiting buckle, the diameter of the pull ring is larger than that of the thread hole, and the cylinder is communicated with a cavity of the mounting box.

Preferably, the bottom of the mounting box is provided with a roller groove, a roller frame is mounted on a groove wall on one side of the roller groove, the top end of the swing frame is mounted in the roller frame in a matched mode through a damping shaft, and rollers are mounted in the swing frame in a matched mode through rollers.

Preferably, the vibrating groove has been seted up to the bottom of mounting box, the inside of vibrating groove is provided with the installation pole, the rigid coupling has the second spring between the top cell wall of installation pole and vibrating groove, the mounting groove has been seted up to the bottom of installation pole, the roll ball spiral-lock dress is in the mounting groove.

Preferably, the inside of installation pole is seted up there is the gas pocket, the shunt tubes is installed in the top port department of gas pocket, the bottom and the mounting groove intercommunication of gas pocket, the shunt tubes is the cross structure.

Preferably, the bottom inner wall upper berth of mounting box is equipped with the cooling tube, cooling tube and shunt tubes intercommunication, inlay on the lateral wall of mounting box and be equipped with the air inlet fan, air inlet fan and cooling tube intercommunication.

A use method of a cold compress device for gynecological and obstetrical nursing comprises the following steps:

s1: when the ice-cube cold compress device is used, ice cubes are put into the feeding port, ice water is filled, then the feeding port is plugged through the feeding plug, the ice water flows freely in the mounting box, the ice cubes are limited through the spring net, the swing shaft is driven to rotate through the swing motor, the ice cubes can be turned in the swing process of the swing rod, meanwhile, the cold water is stirred, the liquid flows, the cold compress effect can be better realized, and the temperature stability on the contact surface is ensured;

s2: during cold compress, the latex pad is in contact with the surface of skin, and is drawn out during the cold compress process, the air of the air cylinder is supplemented into the mounting box under the cooperation of the first spring and the piston, so that sufficient air pressure inside the mounting box can be realized, the latex pad can be ensured to be tightly attached to the skin, meanwhile, the motor is shaken to operate, the rotating disc is driven to rotate, the latex pad is pulled through the pull rod, the shaking of the latex pad can be better realized, the low-frequency shaking massage can be realized, and during the cold compress process, the cold air can permeate the skin, so that a better cooling effect is achieved, and better anti-inflammation and cooling effects are achieved;

s3: in the cold compress in-process, when the wound is not healed, open the swing span, can expand the gyro wheel downwards, after expanding, through the operation of admitting air fan, the air passes through the cooling tube circulation, realize the cooling to the air through water, gas after the cooling passes through the shunt tubes and discharges, realize the cold air sweep, realize cooling purpose, avoid touching the wound simultaneously, better protection wound, when massage cooling, receive the gyro wheel in the gyro wheel groove, the roll ball contacts with the skin, when shunt tubes air conditioning is carried, roll through the roll ball, realize the slip cooling, the roll massage, reduce the friction to the skin, the comfort is better.

The invention has the following beneficial effects:

according to the cold compress device for gynecological and obstetrical nursing and the use method thereof, ice blocks are put in the feeding port, ice water is filled at the same time, the ice water flows freely in the mounting box, the ice blocks are limited through the spring net, the swing shaft is driven to rotate through the swing motor, the ice blocks can be turned over in the swing process of the swing rod, meanwhile, cold water is stirred, liquid flows are realized, the cold compress effect can be better realized, and the temperature stability on a contact surface is ensured;

the latex pad is in contact with the surface of skin, under the cooperation of the first spring and the cooperation of the piston, gas of the cylinder is supplemented into the mounting box, sufficient air pressure in the mounting box can be achieved, the latex pad can be guaranteed to be tightly attached to the skin, meanwhile, the motor is shaken to operate, the rotating disc is driven to rotate, the latex pad is pulled, shaking of the latex pad can be better achieved, low-frequency shaking massage can be achieved, cold air can permeate the skin in the cold compress process, a better cooling effect is achieved, and better anti-inflammation and cooling effects are achieved;

when the wound is not healed, the swing frame is opened, the roller can be unfolded downwards, after the wound is unfolded, the air is circulated through the cooling pipe through the air inlet fan, the air is cooled through water, the cooled air is discharged through the shunt pipe, cold air sweeping is achieved, the cooling purpose is achieved, meanwhile, the wound is avoided being touched, the wound is better protected, when the roller is in a massage cooling mode, the roller is received in the roller groove, the rolling ball is in contact with the skin, when the shunt pipe is used for cold air conveying, the roller rolls through the rolling ball, sliding cooling is achieved, rolling massage is achieved, friction to the skin is reduced, and comfort is better.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a bottom perspective view of the present invention;

FIG. 3 is a cross-sectional structural view of the present invention;

FIG. 4 is a sectional structural view of the A region structural view of the present invention;

FIG. 5 is a B region structural view in a sectional structural view of the present invention;

in the figure: 1. mounting a box; 2. a feed inlet; 3. a feed plug; 4. an air inlet fan; 5. a roller frame; 6. a swing frame; 7. a roller; 8. a roller groove; 9. a cooling tube; 10. a piston; 11. a first spring; 12. a limit buckle; 13. a pull ring; 14. a cylinder; 15. a swing motor; 16. a swing lever; 17. a swing shaft; 18. a spring net; 19. a second spring; 20. a vibration groove; 21. a rolling ball; 22. mounting a rod; 23. a shunt tube; 24. a support frame; 25. a latex pad; 26. rotating the disc; 27. a dither motor; 28. a pull rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Examples

As shown in fig. 1 to 5, the cold compress device for gynecological and obstetrical care according to the present invention comprises a mounting box 1, a feeding port 2, a feeding plug 3, an air inlet fan 4, a roller frame 5, a swing frame 6, a roller 7, a roller groove 8, a cooling pipe 9, a piston 10, a first spring 11, a limit buckle 12, a pull ring 13, an air cylinder 14, a swing motor 15, a swing rod 16, a swing shaft 17, a spring net 18, a second spring 19, a vibration groove 20, a rolling ball 21, a mounting rod 22, a shunt tube 23, a support frame 24, a latex pad 25, a rotating disc 26, a shaking motor 27, and a pull rod 28; two spring nets 18 are fixed inside the mounting box 1 in parallel, a feeding hole 2 is arranged on one side box wall of the mounting box 1, a feeding plug 3 is arranged inside the feeding hole 2 in a matched mode, the inner wall of the swing motor 15 is arranged on the inner wall of the mounting box 1, a swing shaft 17 is arranged on a rotating shaft of the swing motor 15, a swing rod 16 is arranged on the circumferential surface of the swing shaft 17, a cold compressing opening is arranged at the top of the mounting box 1, a latex pad 25 is packaged on the cold compressing opening, a supporting frame 24 is erected in the cold compressing opening, a shaking motor 27 is arranged at the central position of the supporting frame 24, a rotating disc 26 is arranged on the rotating shaft of the shaking motor 27, one end of a pull rod 28 is fixed at the end face eccentric position of the rotating disc 26 in a matched mode through a pin shaft, the other end of the pull rod 28 is fixedly adhered to the latex pad 25, the spring nets 18 are arranged on the upper side and the lower side of a port of the feeding hole 2, the swing motor 15 is arranged between the two spring nets 18, the end face of the swing rod 16 is an arc surface, under the matching of the piston 10, the air of the air cylinder 14 is supplemented into the mounting box 1, the sufficient air pressure in the mounting box 1 can be realized, the close fitting between the latex pad 25 and the skin can be ensured, meanwhile, the motor 27 is shaken to operate, the rotating disc 26 is driven to rotate, the latex pad 25 is pulled through the pull rod 28, the shaking of the latex pad 25 can be better realized, the low-frequency shaking massage can be realized, in the cold compress process, the cold air can permeate the skin, the better cooling effect can be achieved, and the better anti-inflammation and cooling effects can be achieved;

a cylinder 14 is fixed on one side of the mounting box 1, a piston 10 is arranged inside the cylinder 14, a first spring 11 is fixedly connected between the inner walls of the top of the cylinder 14 of the piston 10, a limit buckle 12 is fixed on the outer side of the top of the cylinder 14, the bottom end of the piston 10 is connected with a silk thread, a pull ring 13 is fixed on the other end of the silk thread, a thread hole is formed inside the limit buckle 12, the diameter of the pull ring 13 is larger than that of the thread hole, the cylinder 14 is communicated with a cavity of the mounting box 1, a roller groove 8 is formed in the bottom of the mounting box 1, a roller frame 5 is installed on the wall of one side of the roller groove 8, the top end of a swing frame 6 is installed in the roller frame 5 in a matching mode through a damping shaft, and a roller 7 is installed in the swing frame 6 in a matching mode through a roller;

the bottom of the mounting box 1 is provided with a vibration groove 20, a mounting rod 22 is arranged inside the vibration groove 20, a second spring 19 is fixedly connected between the mounting rod 22 and the top groove wall of the vibration groove 20, a mounting groove is formed in the bottom end of the mounting rod 22, a rolling ball 21 is buckled in the mounting groove, an air hole is formed inside the mounting rod 22, a shunt tube 23 is mounted at the top port of the air hole, the bottom end of the air hole is communicated with the mounting groove, the shunt tube 23 is of a cross structure, a cooling tube 9 is laid on the inner wall of the bottom of the mounting box 1, the cooling tube 9 is communicated with the shunt tube 23, an air inlet fan 4 is embedded on the side wall of the mounting box 1, the air inlet fan 4 is communicated with the cooling tube 9, air flows through the cooling tube 9 through water, the cooled air is discharged through the shunt tube 23 to realize cold air sweeping, the cooling purpose is realized, and meanwhile, the touch wound is avoided, the wound is better protected.

A use method of a cold compress device for gynecological and obstetrical nursing comprises the following steps:

s1: when the ice cube cold compress device is used, ice cubes are put into the feeding hole 2, ice water is filled at the same time, then the feeding hole 2 is plugged through the feeding plug 3, the ice water flows freely in the mounting box 1, the ice cubes are limited through the spring net 18, the swing shaft 17 is driven to rotate through the swing motor 15, the ice cubes can be turned over in the swing process of the swing rod 16, meanwhile, cold water is stirred, liquid flowing is achieved, the cold compress effect can be better achieved, and the temperature stability on a contact surface is guaranteed;

s2: during cold compress, the latex pad 25 is in contact with the surface of skin, in the cold compress process, the pull ring 13 is pulled out, the air in the air cylinder 14 is supplemented into the mounting box 1 under the cooperation of the piston 10 and the cooperation of the first spring 11, so that sufficient air pressure inside the mounting box 1 can be realized, the latex pad 25 can be ensured to be tightly attached to the skin, meanwhile, the motor 27 is shaken to operate, the rotating disc 26 is driven to rotate, the latex pad 25 is pulled through the pull rod 28, shaking of the latex pad 25 can be better realized, low-frequency shaking massage can be realized, in the cold compress process, cold air can permeate the skin, a better cooling effect is achieved, and better anti-inflammation and cooling effects are achieved;

s3: in the cold compress process, when the wound is not healed, open swing span 6, can expand gyro wheel 7 downwards, after expanding, through the operation of inlet fan 4, the air circulates through cooling tube 9, realize the cooling to the air through water, gas after the cooling passes through shunt tubes 23 and discharges, realize the cold air and sweep, realize cooling purpose, avoid touching the wound simultaneously, better protection wound, when massage cooling, receive gyro wheel 7 in gyro wheel groove 8, rolling ball 21 and skin contact, when shunt tubes 23 air conditioning is carried, roll through rolling ball 21, realize sliding cooling, rolling massage, reduce the friction to the skin, the comfort is better.

When in work: ice blocks are put into the feeding hole 2 and filled with ice water at the same time, then the feeding hole 2 is plugged by the feeding plug 3, the ice water flows freely in the mounting box 1, the ice blocks are limited by the spring net 18, the swing shaft 17 is driven to rotate by the swing motor 15, the ice blocks can be turned in the swing process of the swing rod 16, the stirring of cold water is realized at the same time, the flowing of liquid is realized, the cold compress effect can be better realized, the temperature on the contact surface is ensured to be stable, the latex pad 25 is contacted with the surface of the skin, the pull ring 13 is pulled out in the cold compress process, the air in the air cylinder 14 is supplemented into the mounting box 1 under the cooperation of the piston 10 under the cooperation of the first spring 11, the sufficient air pressure in the mounting box 1 can be realized, the tight fit between the latex pad 25 and the skin can be ensured, meanwhile, the motor 27 is shaken to operate, the rotary disk 26 is driven to rotate, and passes through the pull rod 28, the latex pad 25 can be pulled, the latex pad 25 can be better shaken, low-frequency shaking massage can be realized, in the cold compress process, cold air can permeate into the skin, a better cooling effect can be achieved, better anti-inflammation and cooling effects can be achieved, when the wound is not healed, the swing frame 6 is opened, the roller 7 can be unfolded downwards, after the wound is unfolded, the operation is carried out through the air inlet fan 4, the air circulates through the cooling pipe 9, the air is cooled through water, the cooled air is discharged through the shunt pipe 23, cold air sweeping is achieved, the cooling purpose is achieved, meanwhile, the wound is avoided being touched, the wound is better protected, in the massage cooling process, the roller 7 is received into the roller groove 8, the roller 21 is in contact with the skin, when the shunt pipe 23 carries cold air, the roller 21 rolls, sliding cooling is achieved, rolling massage is carried out, friction on the skin is reduced, the comfort is better.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.