CN210929764U

CN210929764U - Totally-enclosed comfortable and safe anti-virus and anti-infection protective product

Info

Publication number: CN210929764U
Application number: CN202020520911.8U
Authority: CN
Inventors: 于化领
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-07-07
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a totally-enclosed comfortable and safe anti-virus and anti-infection protective product, which comprises a totally-enclosed protective garment, a protective garment body and a protective cap which are connected as a whole, and also comprises a filtering fan cover, an air inlet pipe and an exhaust pipe, wherein the filtering fan cover is fixed at the opening of an indoor air conditioner and is provided with a plurality of air inlets; one end of the air inlet pipe is connected with one of the air inlets, and the other end of the air inlet pipe is communicated with the inner cavity of the protective cap; the protective suit body is provided with at least one circulating gas exhaust port, one end of the exhaust pipe is communicated with the circulating gas exhaust port, and the other end of the exhaust pipe is communicated with the outside. The utility model discloses a totally closed comfortable safe anti-virus anti-infection protective product not only can effectively keep apart with the virus, dresses comfortable moreover, can also ensure simultaneously that the user is according to people's changes in temperature demand controlled temperature under totally closed state, has improved medical staff work efficiency.

Description

Totally-enclosed comfortable and safe anti-virus and anti-infection protective product

Technical Field

The utility model relates to the technical field of medical prevention and control materials, in particular to a totally-enclosed comfortable and safe anti-virus and anti-infection protective product.

Background

At present, since the epidemic situation of the novel coronavirus pneumonia occurs in China, a plurality of great medical workers do not worry about the epidemic situation of the first-line battle, and in order to avoid the infection of the virus, the patients need to be isolated by wearing protective clothing to implement self-protection in the working process. The existing totally-enclosed protective clothing and isolation clothing are sealed in any way, so long as people breathe, viruses are possibly infected, the virus sources are uncertain, pathogens are unclear, no specific medicine exists, 10 thousands of suspected cases are newly added in 183 countries in the world for 2 days until now, asymptomatic infectors still exist in input cases, and whether virus mutation, epidemic situations or similar viruses are serious in soil or cannot be determined in large-scale outbreak, but the fact that the viruses are serious in soil or cannot be completely put to an effect cannot be completely eradicated, so that the existing totally-enclosed protective clothing and isolation clothing must be permanently prevented, can also be used in other infectious disease treatment or operating rooms, and must respond to national calls for guaranteeing the life safety and body health of people.

However, medical staff wears the protective clothing because long-time sultry and the sweat is dribbling, can take place the vertigo sometimes even, for preventing that the virus from getting into from the mouth nose, need wear the gauze mask for a long time so that cause the face and reing injury, the sight is blockked to the long-time fog that also can produce of wearing of visual mirror, and medical staff is not convenient for the accuracy in time makes the state of an illness diagnosis and treatment for patient. Moreover, the patient with slight cost costs hundreds of thousands and millions of medical expenses, the remaining harm to the body and the serious patient death are caused, and the wearing personnel suffer from pain and suffering by combining the above conditions, thereby seriously affecting the self safety and the work quality of the patient treatment.

Therefore, how to provide a totally enclosed, comfortable and safe anti-virus and anti-infection protective product is a problem that needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a totally closed comfortable safe anti-virus anti-infection protective product not only can effectively keep apart with the virus, wears comfortable moreover, can also ensure simultaneously that the user is along with people's changes in temperature demand controlled temperature under totally closed state, has improved medical staff's work efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a totally-enclosed comfortable and safe anti-virus and anti-infection protective product comprises a totally-enclosed protective garment, a protective garment body and a protective cap which are integrally connected, and further comprises a filtering fan cover, an air inlet pipe and an air outlet pipe, wherein the filtering fan cover is fixed at the position of an indoor air conditioner opening and is provided with a plurality of air inlets; one end of the air inlet pipe is connected with one of the air inlets, and the other end of the air inlet pipe is communicated with the inner cavity of the protective cap; the protective suit is characterized in that at least one circulating gas exhaust port is formed in the protective suit body, one end of the exhaust pipe is communicated with the circulating gas exhaust port, and the other end of the exhaust pipe is communicated with the outside.

The utility model discloses a totally-enclosed comfortable and safe anti-virus and anti-infection protective product, which not only sucks in air which is filtered by a sterilization and virus-removing air conditioner and a filtering fan cover, but also discharges the exhaled air into an exhaust pipe through a circulating air discharge port, thereby directly discharging the exhaled air to the outdoor, completely isolating the whole breathing process and all parts of the whole body from indoor air, reducing infection risk and improving safety factor; moreover, the protective cap is totally closed, a mask and goggles are not required to be worn additionally, the phenomenon that tightening marks are caused on the face and the phenomenon that rays are blocked due to fog are avoided, the comfort level of medical workers is increased, and the medical workers can diagnose and treat the state of an illness of a patient in time; simultaneously, intake pipe and air conditioner air outlet intercommunication for the air that medical staff breathed in is the fresh air of in good time temperature, can also increase the comfort that medical staff wore in many ways according to people's demand control temperature simultaneously.

Preferably, the air inlet pipe comprises an air inlet telescopic pipe and an air inlet straight-through pipe detachably connected with the air inlet telescopic pipe, the other end of the air inlet telescopic pipe is connected with the air inlet, and the air inlet straight-through pipe is communicated with the inner cavity of the protective cap. The air inlet telescopic pipe adopts an elastic telescopic pipe, so that medical workers can walk conveniently, the air inlet straight-through pipe is communicated with the inner cavity of the protective cap, so that smooth air inlet is ensured, and the air inlet telescopic pipe is also provided with a regulating valve for regulating the air inlet quantity of fresh air in real time. The air inlet pipe is made of nontoxic vulcanized rubber material or medical soft polyvinyl chloride material which is used as the material of the oxygen catheter.

Preferably, the inner side of the protective cap is provided with at least three-way communication pipes, the communication pipes are a vertical main pipe and more than two branch pipes perpendicular to the main pipe, the main pipe penetrates through the cap top of the protective cap and is communicated with the air inlet straight-through pipe, and the branch pipes are uniformly distributed and fixed on the inner top of the protective cap. At least, the three-way communication pipe is arranged, so that air can be more uniformly introduced, and the breathing of medical workers is more smooth.

Preferably, the branch pipe is flat and is fixed with the inner top of the protective cap through two sticking buckles. The tightening belts are penetrated on the two sides of the protective cap and used for fixing the protective cap and the chin of the human body.

Preferably, the exhaust pipe comprises an exhaust telescopic pipe and an exhaust straight-through pipe, and the exhaust straight-through pipe is communicated with the inner cavity at the lower end of the protective clothing body through the circulating gas exhaust port; the other end of the exhaust telescopic pipe is communicated with the outside, and an exhaust fan is arranged on the exhaust telescopic pipe. The exhaust telescopic pipe can automatically stretch out and draw back, so that medical workers can walk conveniently, and the exhaust fan is arranged to facilitate quick exhaust of exhaled air when necessary. The exhaust pipe is made of a PVC telescopic pipe.

Preferably, the exhaust straight-through pipe is provided with a herringbone tee at the neck, the top end of the herringbone tee extends to the outer side of the protective cap top and is connected with the exhaust telescopic pipe, and the two ends of the bottom end of the herringbone tee extend to the inner sides of the lower ends of the two trouser legs through connecting hoses respectively. The inner sides of the two trouser legs, close to the ankles, of the protective suit body are respectively fixed with a right-angled bend, and the two ends of the protective suit body are respectively communicated with one end of the right-angled bend through the connecting hoses. Through setting up elbow bend, help the smooth discharge of human expired gas.

Preferably, a plurality of bandages are arranged on the connecting hose at intervals, and the bandages are used for binding and fixing the connecting hose and the human body. The arrangement of the bandage can not only fix the connecting hose, but also prevent the protective clothing from bulging too much during gas transmission.

Preferably, the indoor roof air conditioner further comprises a slideway, a pulley block, a second pulley block, an air inlet telescopic rope and an air outlet telescopic rope, wherein the slideway is mounted on the indoor roof, and the pulley block is arranged in the slideway in a sliding manner; one end of the air inlet telescopic rope and one end of the air exhaust telescopic rope are both connected with the pulley block, and the other ends of the air inlet telescopic rope and the air exhaust telescopic rope are respectively connected with the air inlet telescopic pipe and the air exhaust telescopic pipe. The slide can set up the pipe slide of U type or other shapes according to indoor conditions, in the use, realizes admitting air the slip of flexible rope and the flexible rope of exhaust through the assembly pulley to the flexible pipe removal of flexible pipe and the exhaust of drive admitting air, the slip through the assembly pulley drives the slip of flexible rope and the flexible rope of exhaust of admitting air, thereby it moves to drive flexible pipe and the flexible pipe removal of exhaust of admitting air, prevents that the protective clothing from dragging and draws the deformation, realizes that medical staff walks smoothly, has guaranteed normal work.

Preferably, the telescopic sliding rod is telescopic, the pulley block comprises a first pulley, a second pulley and a cross bar, the first pulley and the second pulley are arranged in the slide way in a sliding mode, the cross bar is arranged between the first pulley and the second pulley, the top end of the sliding rod is fixed on the cross bar, the sliding rod is perpendicular to a roof, and the distance between the bottom end of the sliding rod and the indoor ground is 170-185 cm. The height of the bottom end of the slide rod can be touched by a person stretching the hand, so that the sliding speed can be increased, and the assistance is provided for the sliding of the air inlet telescopic rope and the air exhaust telescopic rope.

The filtering fan cover is fixed at the position of the indoor air conditioner opening through rivets, the periphery of the filtering fan cover is sealed through a seal, all air entering the room is filtered and disinfected, air leakage is prevented, and the sealing degree is increased.

According to the technical scheme, compared with the prior art, the utility model discloses a totally closed comfortable safe anti-virus anti-infection protective product guarantees that the person of wearing breathes comfortable clean air that does not have the source of infection, gets rid of the interference of goggles fog, ensures physical and mental health, has improved work efficiency, and application range is wide, is applicable to infectious victim contacter and operation doctor and uses.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram provided by the present invention.

Fig. 2 is a schematic front view provided by the present invention.

Fig. 3 is a schematic structural diagram of a five-way pipe according to the present invention.

Fig. 4 is a schematic structural diagram of a five-way pipe provided by the present invention.

Wherein the reference symbols are:

1-protective clothing body, 2-protective cap, 3-filtering fan cover, 4-air inlet pipe, 41-air inlet telescopic pipe, 42-air inlet straight-through pipe, 5-air outlet pipe, 51-air outlet telescopic pipe, 52-air outlet straight-through pipe, 6-air inlet, 7-five-way pipe, 71-total pipe, 72-branch pipe, 8-elbow bend, 9-herringbone tee joint, 10-bandage, 11-slideway, 12-first pulley block, 121-first pulley, 122-second pulley, 123-cross rod, 13-connecting hose, 14-air inlet telescopic rope, 15-air outlet telescopic rope, 16-slide rod, 17-tensioning belt, 18-tensioning buckle, 19 fastening belt, 20-day buckle and 21-chin buckle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model discloses a totally-enclosed comfortable and safe anti-virus and anti-infection protective product, which comprises a totally-enclosed protective garment, a protective garment body 1 and a protective cap 2 which are connected into a whole, wherein the protective garment body 1 is provided with a zipper, the face part of the protective cap 2 is a transparent face mask, and the totally-enclosed comfortable and safe anti-virus and anti-infection protective product also comprises a filtering fan cover 3, an air inlet pipe 4 and an exhaust pipe 5, the filtering fan cover 3 is fixed at the opening of an indoor air conditioner, and the filtering fan cover 3 is provided with a; one end of the air inlet pipe 4 is connected with one air inlet 6, and the other end is communicated with the inner cavity of the protective cap 2; the protective suit body 1 is provided with at least one circulating gas outlet, one end of the exhaust pipe 5 is communicated with the circulating gas outlet, and the other end is communicated with the outside.

According to the totally-enclosed comfortable and safe anti-virus and anti-infection protective product disclosed by the embodiment, the inhaled air is the air filtered by the filtering fan cover 3, the exhaled air is exhausted into the exhaust pipe 5 through the circulating air exhaust port and is directly exhausted to the outdoor, the whole breathing process and all parts of the whole body are completely isolated from the indoor air, the infection risk is reduced, and the safety coefficient is improved; moreover, the protective cap 2 is totally closed, and a mask and goggles are not required to be worn additionally, so that the tightening marks on the face and the blocking of the sight line due to fog are avoided, the comfort level of medical workers is increased, and the medical workers can diagnose and treat the state of an illness of a patient in time; simultaneously, intake pipe and air conditioner air outlet intercommunication for the air that medical staff breathed in is the fresh air of in good time temperature, can also increase the comfort that medical staff wore in many ways according to people's demand control temperature simultaneously.

In order to further optimize the technical scheme, the air inlet pipe 4 comprises an air inlet telescopic pipe 41 and an air inlet straight-through pipe 42 detachably connected with the air inlet telescopic pipe 41, the other end of the air inlet telescopic pipe 41 is connected with the air inlet 6, and the air inlet straight-through pipe 42 is communicated with the inner cavity of the protective cap 2. The air inlet telescopic pipe 41 is convenient for medical workers to walk, and the air inlet straight-through pipe 42 is communicated with the inner cavity of the protective cap 2, so that smooth air inlet is ensured, and bending is avoided. An expansion-preventing and air-dispersing valve is further mounted at the air inlet telescopic pipe 41. An elastic automatic pipe retracting device is arranged on the air inlet extension pipe 41.

In order to further optimize the technical scheme, at least three-way communication pipes 7 are arranged on the protective cap 2, the communication pipes 7 are vertical main pipes 71 and branch pipes 72 of more than two vertical main pipes 71, the main pipes 71 penetrate through the cap top of the protective cap 2 and are communicated with the air inlet straight-through pipe 42, and the branch pipes 72 are uniformly distributed and fixed on the inner top of the protective cap 2. The arrangement of the communicating pipe 7 ensures that air inlet is more uniform and the breathing of medical workers is smoother.

In order to further optimize the technical scheme, the branch pipe 72 is flat and is fixed with the inner top of the protective cap 2 through two-sided adhesive buttons. The tightening belt 17 is penetrated on two sides of the protective cap 2, the tightening belt 17 penetrates the tightening buckle 18 and is connected with the chin buckle 21, the tightening belt 17 and the tightening buckle 18 are matched for use, the chin buckle 21 is made to cling to the chin of a person, and the protective cap 2 is tightly fixed with the human body.

Or, the two sides of the protective cap 2 are both provided with fastening belts 19, one fastening belt 19 is connected with the day buckle 20, the other fastening belt 19 passes through the day buckle 20, and the protective cap 2 and the human body are tightly fixed by adjusting the length of the free fastening belt 19 extending into the day buckle 20 to adjust the tightness.

In order to further optimize the technical scheme, the exhaust pipe 5 comprises an exhaust telescopic pipe 51 and an exhaust straight-through pipe 52 detachably connected with the exhaust telescopic pipe 51, the other end of the exhaust telescopic pipe 51 is communicated with the outside, an exhaust fan is installed on the exhaust telescopic pipe 51, and the exhaust straight-through pipe 52 is communicated with a circulating gas exhaust port. The exhaust extension tube 51 can automatically extend and retract, so that medical workers can walk conveniently, and the exhaust fan is arranged, so that the rapid exhaust of exhaled air is facilitated. If the distance is too large, the air inlet extension pipe 41 and the air outlet extension pipe 51 are provided with elastic automatic pipe retractors.

In order to further optimize the technical scheme, the exhaust straight-through pipe 52 is arranged at the neck position as a herringbone tee 9, the top end of the herringbone tee 9 extends to the outer side of the top of the protective cap 2 and is connected with the exhaust telescopic pipe 51, and the two ends of the exhaust straight-through pipe extend to the inner sides of the lower ends of the two trouser legs respectively through the connecting hoses 13. Through setting up elbow bend 8, help discharging the gas of human exhalation smoothly.

In order to further optimize the technical scheme, right-angled bends 8 are respectively fixed on the inner sides of the two trouser legs, close to the ankles, of the protective clothing body 1, and the two ends of the protective clothing body are respectively communicated with one ends of the right-angled bends 8 through the connecting hoses 13.

In order to further optimize the technical scheme, a plurality of bandages 10 are arranged on the connecting hose 13 at intervals, and the bandages are used for binding and fixing the connecting hose 13 and the human body. Not only can the hose 13 be fixedly connected, but also the protective clothing can be prevented from bulging too much during gas transmission.

In order to further optimize the technical scheme, the device also comprises a slideway 11, a pulley block 12, an air inlet telescopic rope 14 and an air outlet telescopic rope 15, wherein the slideway 11 is arranged on the indoor roof, and the pulley block is arranged in the slideway 11 in a sliding manner; one end of each of the air inlet telescopic rope 14 and the air outlet telescopic rope 15 is connected with the pulley block 12, and the other end is respectively connected with the air inlet telescopic pipe 41 and the air outlet telescopic pipe 51. The slideway 11 can be provided with a U-shaped or other pipe slideways according to indoor conditions, and in the using process, the pulley block 12 is used for realizing the sliding of the air inlet telescopic rope 14 and the air outlet telescopic rope 15, so that the air inlet telescopic pipe 41 and the air outlet telescopic pipe 51 are driven to move, the medical workers can walk smoothly, and the normal work is ensured. In order to prevent the medical workers from mutually encircling or knotting when walking, the ground is provided with a walkway and a slideway number corresponding to the slideway.

In order to further optimize the technical scheme, the sliding device further comprises a sliding rod 16, the sliding rod 16 is telescopic, the pulley block 12 comprises a first pulley 121, a second pulley 122 and a cross bar 123, the first pulley 121 and the second pulley 122 are both arranged in the slideway 11 in a sliding mode, the cross bar 123 is arranged between the first pulley 121 and the second pulley 122, the top end of the sliding rod 16 is fixed on the cross bar of the pulley block 12, the sliding rod 16 is perpendicular to the roof, and the bottom end of the sliding rod 16 is 185cm away from the indoor ground surface 170 and 185cm away from the indoor ground surface. The bottom height of the slide rod 16 can be touched by a person stretching the hand, so that the sliding speed can be increased, and the assistance is provided for the sliding of the air inlet telescopic rope 14 and the air outlet telescopic rope 15.

In order to further optimize the technical scheme, the filtering fan housing 3 is fixed at the opening of the indoor air conditioner through rivets, and the periphery of the filtering fan housing 3 is sealed through a seal. The sealing strip can prevent air leakage and improve sealing performance, and all air entering a room is sterile and nontoxic air after being filtered and sterilized.

The utility model discloses a totally closed comfortable safe anti-virus anti-infection protective product, medical staff wear a whole set of protective clothing in aseptic room, to the treatment room rapidly with the disinfection flexible pipe 41 that admits air and the flexible pipe 51 that exhausts with admit air through pipe 42 and the direct pipe 52 high-speed joint of exhaust respectively to direct pipe 42 and the direct pipe 52 of exhaust of admitting air are fixed.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A totally-enclosed comfortable and safe anti-virus and anti-infection protective product comprises a totally-enclosed protective garment, wherein the protective garment is a protective garment body (1) and a protective cap (2) which are integrally connected, and is characterized by further comprising a filtering fan cover (3), an air inlet pipe (4) and an exhaust pipe (5), wherein the filtering fan cover (3) is fixed at an air outlet of an indoor air conditioner, and a plurality of air inlets (6) are formed in the filtering fan cover (3); one end of the air inlet pipe (4) is connected with one of the air inlets (6), and the other end of the air inlet pipe is communicated with the inner cavity of the protective cap (2); the protective suit body (1) is provided with at least one circulating gas exhaust port, one end of the exhaust pipe (5) is communicated with the circulating gas exhaust port, and the other end of the exhaust pipe is communicated with the outside;

the air inlet pipe (4) comprises an air inlet telescopic pipe (41) and an air inlet straight-through pipe (42) detachably connected with the air inlet telescopic pipe (41), the other end of the air inlet telescopic pipe (41) is connected with the air inlet (6), and the air inlet straight-through pipe (42) is communicated with the inner cavity of the protective cap (2);

the exhaust pipe (5) comprises an exhaust telescopic pipe (51) and an exhaust straight-through pipe (52), and the exhaust straight-through pipe (52) is communicated with the inner cavity at the lower end of the protective suit body (1) through the circulating gas exhaust port; the other end of the exhaust telescopic pipe (51) is communicated with the outside;

the indoor roof air conditioner comprises a slideway (11), a pulley block (12), an air inlet telescopic rope (14) and an air outlet telescopic rope (15), wherein the slideway (11) is installed on the indoor roof, and the pulley block (12) is arranged in the slideway (11) in a sliding manner; one end of the air inlet telescopic rope (14) and one end of the air exhaust telescopic rope (15) are both connected with the pulley block (12), and the other ends of the air inlet telescopic rope and the air exhaust telescopic rope are respectively connected with the air inlet telescopic pipe (41) and the air exhaust telescopic pipe (51).

2. A totally enclosed, comfortable and safe, anti-virus and anti-infection protective article according to claim 1, characterized in that the protective cap (2) is equipped with at least a three-way communication pipe (7), the communication pipe (7) comprises a vertical main pipe (71) and more than two branch pipes (72) perpendicular to the main pipe (71), the main pipe (71) passes through the top of the protective cap (2) and is communicated with the air inlet straight-through pipe (42), and the branch pipes (72) are uniformly distributed and fixed on the inner top of the protective cap (2).

3. A fully enclosed, comfortable and safe, anti-virus and anti-infection protective article according to claim 2, characterized in that the branch tube (72) is flat and fixed to the inner top of the protective cap (2) by two-sided adhesive fasteners.

4. A fully enclosed, comfortable and safe anti-virus and anti-infection protector as claimed in claim 3, wherein the exhaust extension tube (51) is provided with an exhaust fan.

5. A fully-enclosed comfortable and safe anti-virus and anti-infection protector as claimed in claim 4, wherein the exhaust straight-through pipe (52) is arranged as a herringbone tee (9) at the neck position, the top end of the herringbone tee (9) extends to the outside of the top of the protective cap (2) to be connected with the exhaust telescopic pipe (51), and the two ends of the exhaust straight-through pipe extend to the inside of the lower ends of the two trouser legs respectively through connecting hoses (13).

6. A totally-enclosed, comfortable and safe, anti-virus and anti-infection protective product as claimed in claim 5, characterized in that right-angled bends (8) are respectively fixed on the inner sides of two trouser legs of the protective clothing body (1) near the ankles, and the two ends of the protective clothing body are respectively communicated with the other ends of the right-angled bends (8) through the connecting hoses (13).

7. A fully enclosed, comfortable and safe, anti-virus and anti-infection article according to claim 6, wherein said connecting hose (13) is provided with a plurality of bandages (10) at intervals, and said bandages (10) bind and fix said connecting hose (13) to the human body.

8. The fully-closed comfortable and safe anti-virus and anti-infection protective product according to claim 7, further comprising a sliding rod (16), wherein the pulley block (12) comprises a first pulley (121), a second pulley (122) and a cross bar (123), the first pulley (121) and the second pulley (122) are slidably disposed in the slideway (11), the cross bar (123) is disposed between the first pulley (121) and the second pulley (122), the top end of the sliding rod (16) is fixed on the cross bar (123), and the bottom end naturally droops and is 185cm away from the indoor ground surface 170-.