CN112274847A

CN112274847A - Safe inflatable lying-pushing body builder

Info

Publication number: CN112274847A
Application number: CN202011087541.4A
Authority: CN
Inventors: 高海东
Original assignee: 高海东
Current assignee: Shenyang Sport University
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-01-29
Anticipated expiration: 2040-10-13
Also published as: CN112274847B

Abstract

The invention belongs to the field of fitness equipment, and relates to a safe inflatable lying-pushing fitness device which comprises an outer frame and a deck chair, wherein a support frame is arranged in the inner wall of the outer frame, cylindrical chutes are respectively arranged in the left side wall and the right side wall of the support frame, cylindrical sliding blocks are arranged in each cylindrical chute in a sliding manner, an air cylinder push rod is fixedly arranged between the two cylindrical sliding blocks, an air cylinder group is fixedly connected with the inner wall of the upper side of the support frame, two air cylinder push rods in the vertical direction are arranged below the air cylinder group, an air inlet bin is fixedly arranged on the outer wall of the upper side of the support frame, an air flow control box is arranged at the upper end of the air inlet bin, the air flow control box is communicated with the air inlet bin. The force generated by gas compression can be utilized to replace the gravity of the traditional barbell disc, the required pressure can be adjusted, the wrist and the arm are protected in the pushing process, and meanwhile, the phenomenon that the pushing bar descends to damage the human body when the force is removed can be avoided.

Description

Safe inflatable lying-pushing body builder

Technical Field

The invention belongs to the field of fitness equipment, and particularly relates to a safe inflatable lying-pushing fitness device.

Background

Along with the improvement of the quality of life of people day by day, more and more people begin to pay attention to physical training, the bench press is taken as a common fitness project of a fitness, the strength of the arms, the shoulders, the waist and the abdomen and the like of a person can be effectively exercised, the existing bench press equipment has the defects that the equipment is heavy, the bench press pressure needs to be adjusted by replacing a barbell disc, the replacement is inconvenient, the wrist and the arms are easily damaged in the exercise process, and the barbell can be smashed on the person to cause injury when the force is removed in the bench press process, so that the safety problem is generated.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a safe inflatable lying-pushing body builder.

The purpose of the invention can be realized by the following technical scheme: a safe inflatable lying-pushing body-building device comprises an outer frame and a deck chair, wherein a supporting frame is arranged in the inner wall of the outer frame, the outer walls of the left side and the right side of the support frame are respectively fixed on the inner wall of the outer frame through a fixing block, the left side wall and the right side wall of the support frame are respectively provided with a cylindrical chute, each cylindrical chute is internally provided with a cylindrical sliding block in a sliding way, an air cylinder push rod is fixedly arranged between the two cylindrical sliding blocks, the air cylinder push rod is fixedly provided with a holding sleeve in bilateral symmetry, the inner wall of the upper side of the support frame is fixedly connected with a cylinder group, two cylinder push rods in the vertical direction are arranged below the cylinder group, the lower end of each cylinder push rod is respectively fixed on the cylinder push rods, an air inlet bin is fixedly arranged on the outer wall of the upper side of the supporting frame, an air flow control box is arranged at the upper end of the air inlet bin, the air flow control box is communicated with the air inlet bin through a pipeline, and the air flow control box is connected with the air bag unit through an air bag unit pipeline. The user uses the inflation pressure regulating device to pre-regulate the force required by the bench press to inflate the cylinder group to prepare for the next bench press action; the cylinder group and the air inlet bin are used for replacing barbell plates in the traditional bench press equipment, the volume of the cylinder group is reduced, the air pressure in the cylinder group and the air inlet bin is increased, and the reaction force of the air pressure acts on the push rod through the cylinder push rod to achieve the purpose of bench press movement; when the gas enters the air bag group through the gas flow control box and flows back to the gas flow control box from the air bag group, the gas passes through different passages in the gas flow control box, and the gas flow control box can control the state of the push rod and has a protection effect on a human body; the cylinder group can play a supporting role on the arms and wrists of the people after being inflated, and the risk of injury of the user is reduced.

In the above-mentioned safe inflatable bench press fitness equipment, the inflation pressure regulating device is including setting up an inflator pump in the deck chair downside, an inflator pump UNICOM gas storage tank, on the gas storage tank through an inflation tube UNICOM two the cylinder, be equipped with an air-vent valve on the inflation tube. The pressure of multiple numerical value can be predetermine in a flexible way to the air-vent valve, can deal with different crowds' user demand.

In the above-mentioned safe inflatable lying-pushing fitness equipment, the cylinder group includes two cylinders that bilateral symmetry set up, every the cylinder up end is fixed to be set up on the support frame upside inner wall, support frame upside support body is equipped with two openings, two the opening respectively UNICOM two the cylinder with the storehouse of admitting air, two cylinder push rod upper end and two airtight slide fixed connection, every airtight slide can be in every cylinder inner wall slides from top to bottom. As the internal volume of the cylinder group is reduced, the air pressure in the cylinder group and the air inlet bin is increased, and the reaction force of the air pressure acts on the push rod to replace the effect brought by the gravity of the barbell disc of the traditional bench press device and resist the force applied to the push rod of the cylinder by a user.

In the above-mentioned safe inflatable bench press fitness equipment, the fixed oil pocket that is equipped with one and is full of fluid of support frame upside inner wall, the oil pocket is located in the cylinder group right side cylinder, be equipped with a reset spring in the oil pocket, reset spring lower extreme fixed connection state said oil pocket downside inner wall, reset spring upper end fixed connection be in support frame downside inner wall, an oil pipe of UNICOM on the oil pocket, oil pipe passes the support frame upper wall with airflow control case right-hand member opening UNICOM. When the bench press action is finished, the sealed sliding plate slides to the top end of the cylinder group, the oil which continuously flows along the oil pipe is extruded to control the structure in the airflow control box to generate corresponding action, and the structure can return to the initial state under the action of the return spring.

In the safe inflatable lying pushing body builder, the upper wall of the shell of the air inlet bin is provided with a first opening, and the first opening is tightly connected with a first port of a first three-way pipe; the gas flow control box comprises a box body, the top end of a second port of the first three-way pipe is communicated with a gas inlet of the gas inlet one-way valve, the top end of a third port of the first three-way pipe is provided with a gas backflow protection device, the top end of the third port of the first three-way pipe is communicated with a gas outlet of the gas backflow protection device, a second three-way pipe is further arranged in the box body, the first port of the second three-way pipe is communicated with a gas outlet of the gas inlet one-way valve, the second port of the second three-way pipe is communicated with a gas inlet of the gas backflow protection device, and the third port of the second three-way pipe is communicated with a gas bag group pipeline. The air flow control box is used for controlling an air flow passage of pressurized air in the cylinder group, so that the air in the cylinder group can enter the air bag group when the bench press action is carried out, and after the bench press action is finished, the air in the air bag group can flow back into the cylinder group, so that the bench press training process can be smoothly finished, and a protection effect is exerted on a human body through the air backflow protection device.

In the above-mentioned safe inflatable lying pushing body-building apparatus, the said gas backflow protective device includes the apparatus block, there are inlet ports and air outlets in the said apparatus block, the said inlet port and said air outlet are located in the same vertical direction in the said apparatus block, there is a middle concrete chute in the said apparatus block, the left end of said middle concrete chute is enclosed in the said apparatus block, the right end of said middle concrete chute opens, the right end opening of said middle concrete chute is communicated with said oil line, the left end of said middle concrete chute has a thin mouth, the said middle concrete chute is communicated with said inlet port and said air outlet, the lower terminal surface of said middle concrete chute has a square neck, the said square neck is communicated with upper end of a pressure pipe, the lower end of said pressure pipe is communicated with third port of said first three-; the middle sliding groove is internally provided with a cylindrical sliding block in a sliding mode, the cylindrical sliding block is provided with a through hole in the vertical direction, the cylindrical sliding block is located on the left side of the through hole and is provided with an opening facing the square hole of the lower end face of the middle sliding groove, a square block is arranged in the square hole, the upper end face of the square hole is connected with the upper end face of the square block through a clamping spring, and the vent hole communicating pipe is provided with a gas return check valve. When a user takes off force in the pushing process, namely the sealed sliding plate does not move to the topmost end and does not have force to continuously push the sealed sliding plate to slide upwards, the oil bag is not extruded or incompletely extruded, oil in the oil pipe cannot push the cylindrical sliding block to enable the through hole to form a passage with the air inlet hole and the air outlet hole, gas in the air bag set flows back and is blocked, the push rod cannot descend or descends slowly, and the situation that the push rod descends suddenly to injure the user is avoided.

In the above-mentioned safe inflatable bench press fitness equipment, gasbag group includes the gasbag that bilateral symmetry set up, two the gasbag passes through the mount to be fixed support frame left and right sides inner wall, two be equipped with the gassing switch on the gasbag, two the gasbag downside be equipped with respectively one with the gasbag pipeline of gasbag UNICOM, two the gasbag pipeline is rubber hose, two gasbag pipeline lower extreme UNICOM arm inflatable protective sheath, every the gasbag is made by elastic material, aerifys the volume expansion, every arm inflatable protective sheath can embolia on user's forearm, plays the guard action to user's wrist and forearm. The user aerifys the arm protective sheath cover on wrist and forearm before the bench press training, at the bench press in-process, cylinder internal gas is impressed two gasbags and is aerifyd the protective sheath through the gasbag pipeline entering arm, along with the increase of gas volume in the gasbag group, the arm is aerifyd protective sheath volume expansion, can support the back of the hand effectively and wrap up in the forearm, the protection wrist avoids the damage, when changing the user, new user can open the gassing switch on the gasbag, the gas that the last user of discharge return circuit washed into, predetermine pressure again, fill into required amount of gas.

Compared with the prior art, the safe inflatable bench press fitness equipment has the following advantages:

1. the load of using atmospheric pressure as bench press training replaces original utilization barbell disc gravity as the load, compares with the tradition through changing the barbell disc and adjust the load, and the precision of regulation is higher, can satisfy different crowds' demand.

2. The inflated protective sleeve for the arm can support the back of the hand when a user pushes the protective sleeve to lie down, the small arm is tightly wrapped, the amount of gas in the protective sleeve is increased along with the movement of pushing the user to lie down, the protective effect is more obvious, and the wrist and the arm can be well protected.

3. When a user lies on the bench press to take off the force, the pushing bar can not directly pound the user to damage the user, but stops moving or slowly descends, so that the use safety is improved.

Drawings

Fig. 1 is a schematic front structural view of the safety inflatable bench press body building device.

FIG. 2 is a front mounted cross-sectional view of the safety inflatable bench press exercise machine.

Fig. 3 is an enlarged view of a structure a in fig. 2.

Fig. 4 is an enlarged view of the structure at B in fig. 3.

Fig. 5 is a structural diagram of the air passage of fig. 4 when the air passage is conducted.

In the figure, 1, an external frame; 2. a support frame; 3. an air inlet bin; 4. a cylinder; 5. an air bag conduit; 6. a handle sleeve; 7. an arm inflation protective sleeve; 8. reclining chairs; 9. an air pump; 10. a gas storage tank; 11. pushing the bar; 12. an airflow control box; 13. a pressure regulating valve; 14. an air bag group pipeline; 15. a support frame chute; 16. a support frame slide block; 17. a cylinder; 18. a cylinder push rod; 19. a fixed mount; 20. a fixed block; 21. sealing the sliding plate; 22. an inflation tube; 23. a first opening; 24. a second three-way pipe; 25. an oil pocket; 26. an oil pipe; 27. a box body; 28. a device block; 29. a first three-way pipe; 30. an air inlet check valve; 31. a cylindrical slider; 32. an air inlet; 33. an air outlet; 34. a through hole; 35. a return spring; 38. a middle chute; 40. a square clamping groove; 41. a pressure pipe; 42. a square block; 43. locking the spring; 44. a square hole; 45. air return one-way valve.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figure 1 of the drawings, in which, fig. 2 shows, a safe inflatable lying-pushing fitness apparatus, including outrigger 1 and deck chair 8, be equipped with a support frame 2 in the outrigger 1 inner wall, the support frame 2 left and right sides outer wall is fixed at the outrigger 1 inner wall through a fixed block 20 respectively, be equipped with a cylindrical spout 1 in the left and right sides lateral wall of support frame 2 respectively, it is equipped with support frame slider 16 to slide in every support frame spout 15, be equipped with a push rod 11 between two cylindrical slider 16 fixedly, the bilateral symmetry is fixed on push rod 11 and is equipped with grip 6, support frame 2 upside inner wall fixed connection is equipped with the cylinder group, the cylinder group has two vertical direction cylinder push rods 18, the lower extreme of every cylinder push rod 18 is fixed respectively on push rod 11, support frame 2 upside outer wall fixed is equipped with an air inlet bin 3, air inlet bin 3 upper end is equipped with an air current control box 12, air current control box 12 and air inlet bin 3 use the pipeline UNICOM. Before training the bench press, the user presets the required power of this bench press and aerifys cylinder group through aerifing pressure regulating device earlier, aerifys the back, and the user lies on deck chair 8, and both hands are held grip 6 and are upwards promoted push bar 11, and push bar both ends support frame slider 16 is even upwards slided in cylindrical spout 15 in support frame 2, and the cylinder group internal gas is impressed into air inlet bin 3, and the air current flows into the gasbag group through air current control box 12 afterwards, and the gasbag group is aerifyd. The user uses the inflation pressure regulating device to pre-regulate the force required by the bench press to inflate the cylinder group to prepare for the next bench press action; the cylinder group and the air inlet bin 3 are used for replacing barbell plates in the traditional lying and pushing equipment, the volume of the cylinder group is reduced, the air pressure in the cylinder group and the air inlet bin is increased, and the reaction force of the air pressure acts on the pushing rod 11 through the air cylinder push rod 18, so that the purpose of lying and pushing movement is achieved; when the gas enters the air bag group through the gas flow control box 12 and flows back to the gas flow control box 12 from the air bag group, the gas flow control box 12 can control the state of the push rod 11 through different channels in the gas flow control box 12, so that the gas flow control box can protect the human body; the cylinder group can play a supporting role on the arms and wrists of the people after being inflated, and the risk of injury of the user is reduced.

The inflation pressure regulating device comprises an inflation pump 9 arranged on the lower side of the deck chair 8, the inflation pump 9 is communicated with an air storage tank 10, the air storage tank 10 is communicated with two air cylinders 17 through an inflation pipe 22, and the inflation pipe 22 is provided with a pressure regulating valve 13. Before using the bench press device, a user adjusts the pressure regulating valve 13 to set a pressure value, and turns on the inflator 9, so that a predetermined amount of gas is charged into the cylinder block due to the large air pressure in the gas storage tank 10. The pressure of multiple numerical value can be predetermine in a flexible way to the air-vent valve, can deal with different crowds' user demand.

The cylinder group comprises two cylinders 17 which are arranged in bilateral symmetry, the upper end face of each cylinder 17 is fixedly arranged on the inner wall of the upper side of the support frame 2, the frame body of the upper side of the support frame 2 is provided with two openings, the two openings are respectively communicated with the two cylinders 17 and the air inlet bin 3, the upper ends of the two cylinder push rods 18 are fixedly connected with the two airtight sliding plates 21, and each airtight sliding plate 21 can slide up and down on the inner wall of each cylinder 17. When the horizontal pushing action is carried out, the piston push rod 18 is pushed upwards to drive the closed sliding plate 21 to slide upwards along the inner wall of the piston 17, so that the gas is pressed into the gas inlet bin 3. As the internal volume of the cylinder group is reduced, the air pressure in the cylinder group and the air inlet bin 3 is increased, and the reaction force of the air pressure acts on the push rod 11 to replace the effect brought by the gravity of the barbell disc of the traditional bench press device and resist the force applied to the push rod of the cylinder by a user.

An oil pocket 25 filled with oil is fixedly arranged on the inner wall of the upper side of the support frame 2, the oil pocket 25 is positioned in the cylinder on the right side of the cylinder group, a return spring 35 is arranged in the oil pocket 25, the lower end of the return spring 35 is fixedly connected with the inner wall of the lower side of the oil pocket 25, the upper end of the return spring 35 is fixedly connected with the inner wall of the lower side of the support frame 2, an oil pipe 26 is communicated with the oil pocket 25, and the oil pipe 26 penetrates through the upper wall of the support frame 2. The oil pocket 25 and the oil tube 26 are filled with oil liquid in the initial state, when a person finishes one-time bench press, the closed sliding plate 21 slides upwards, the closed sliding plate 21 starts to contact with the lower wall of the oil pocket 25 to contact with the inner wall of the lower side of the support frame 2, part of the oil liquid in the oil tube 26 is pressed into the airflow control box 12, and the return spring 35 is compressed. When the bench press action is completed, the seal slide 21 slides to the top of the cylinder block, and the oil which continues to flow along the oil pipe 26 is squeezed to control the structure in the airflow control box 12 to generate corresponding action, and can return to the initial state under the action of the return spring 35.

As shown in fig. 3, the upper wall of the shell of the air inlet bin 3 is provided with a first opening 23, and the first opening 23 is tightly connected with a first port of a first three-way pipe 29; the air flow control box 12 comprises a box body 27, the top end of a second port of a first three-way pipe 29 is communicated with an air inlet of an air inlet one-way valve 30, the top end of a third port of the first three-way pipe 29 is provided with an air backflow protection device 28, the top end of the third port of the first three-way pipe 29 is communicated with an air outlet 33 of the air backflow protection device 28, a second three-way pipe 24 is further arranged in the box body 27, a first port of the second three-way pipe 24 is communicated with an air outlet of the air inlet one-way valve 30, a second port of the second three-way pipe 24 is communicated with an air inlet 32 of the air backflow protection device 28, and a third port of the second three-way pipe 24. When the horizontal pushing action is carried out, the gas in the cylinder group is pressed into the gas inlet bin 3, further, the gas in the cylinder group flows into the first three-way pipe 29 through the first opening 23 on the upper wall of the gas inlet bin 3 and enters the gas flow control box 12, after the gas in the cylinder group flows into the gas flow control box 12, the gas backflow protection device 24 cannot be conducted at the moment, the gas is conducted in one way through the channel where the gas inlet one-way valve 30 is located and flows into the second three-way pipe 24, further, the gas flow control box 12 flows out and is introduced into the gas bag group through the gas bag group pipeline 14; when the sealed sliding plate 21 slides to the top end of the cylinder group, a user does not continuously apply force to the push rod 11, gas in the air bag group flows back and flows back to the air flow control box through the air bag group pipeline 14 and the second three-way pipe 24, at the moment, the gas backflow protection device is conducted, the gas in the air bag group flows back to the air inlet bin 3 and the air bag group through the first three-way pipe 29, the sealed sliding plate 21 slides downwards, and the push rod 11 moves downwards. The air flow control box 12 is used for controlling an air flow passage of pressurized air in the cylinder group, so that the air in the cylinder group can enter the air bag group when the bench press action is carried out, and after the bench press action is finished, the air in the air bag group can flow back into the cylinder group, so that the bench press training process can be smoothly finished, and the air backflow protection device 24 can protect the human body.

As shown in fig. 4 and 5, the gas backflow protection device comprises a device block 28, a gas inlet 32 and a gas outlet 33 are arranged in the device block 28, the gas inlet 32 and the gas outlet 33 are located in the same vertical direction in the device block 28, a middle sliding chute 38 is arranged in the device block 28, the left end of the middle sliding chute 38 is sealed in the device block 28, the right end of the middle sliding chute 38 is open and communicated with the oil pipe 26, the left end of the middle sliding chute 38 is provided with a thin opening, the middle sliding chute 38 is communicated with the gas inlet 32 and the gas outlet 33, the lower end face of the middle sliding chute 38 is provided with a square clamping groove 40, the square clamping groove 40 is communicated with; a cylindrical sliding block 31 is arranged in the middle sliding groove 38 in a sliding mode, a through hole 34 in the vertical direction is formed in the cylindrical sliding block 31, a square hole 44 with an opening facing the lower end face of the middle sliding groove 38 is formed in the left side of the through hole 34 in the cylindrical sliding block 31, a square block 42 is arranged in the square hole 44, the upper end face of the square hole 44 is connected with the upper end face of the square block 42 through a clamping spring 43, and a gas return check valve 45 is arranged on a gas outlet 33 communicating pipeline. When the sealed sliding plate 21 moves to the topmost end, a user does not continuously apply upward thrust to the push rod 11, gas flows back to the air flow control box 12 through the air bag pipeline 14, at the moment, the blocking spring 43 is in a compressed state, oil in the oil pipe 26 pushes the cylindrical sliding block 31 to slide leftwards, so that the air inlet hole 32 and the air outlet hole 33 in the device block 28 are communicated through the through hole 34, the square block 42 is clamped into the square clamping groove 40 under the action of the compressed blocking spring 43, the gas in the air bag group flows back to the cylinder group along the communicated loop, and the air cylinder push rod 18 descends to drive the push rod 11 to slide downwards; during the next pushing operation, the gas in the cylinder block is pressed into the gas flow control box 12, the square block 42 is pressed into the square hole 44 due to the increase of the pressure in the pressure pipe 41, the return spring 35 compressed at this time rebounds and supports the oil pocket 25, so that the oil in the oil pipe 26 flows back, the cylindrical slider 31 slides rightwards under the pressure, and the through hole 34 does not form a passage with the inlet hole 32 and the outlet hole 33. When a user takes off force in the pushing process, namely the sealed sliding plate 21 does not move to the topmost end and no force continues to push the sealed sliding plate 21 to slide upwards, and the oil pocket 25 is not extruded, the cylindrical sliding block 31 is not moved at the moment, the through hole 34 is not communicated with the air inlet hole 32 and the air outlet hole 33, the air in the air bag group cannot flow back into the cylinder group, and the push rod 11 cannot move downwards; when the oil pocket 25 is incompletely extruded, the oil in the oil pipe 26 pushes the cylindrical sliding block 31 to enable the through hole 34 to be partially communicated with the air inlet hole 32 and the air outlet hole 33, the square block 42 is not clamped in the square clamping groove 40, the air in the air bag group flows back to the cylinder group along the partially communicated passage, the push rod 11 slowly descends, the oil pocket 25 recovers the shape which is not extruded under the action of the return spring 35, the oil in the oil pipe 26 flows back, the cylindrical sliding block 31 slides rightwards, the through hole 34 is not communicated with the air inlet hole 32 and the air outlet hole 33, the push rod 11 stops descending, and the situation that the push rod 11 suddenly descends to.

Gasbag group includes the gasbag 4 that bilateral symmetry set up, two gasbags 4 pass through mount 19 to be fixed at 2 left and right sides inner walls of support frame, be equipped with the gassing switch on two gasbags 4, two 4 downside of gasbag are equipped with one respectively with the gasbag pipeline 5 of 4 UNICOMs of gasbag, two gasbag pipelines 5 are rubber hose, protective sheath 7 is aerifyd to 5 lower extreme UNICOM's arms of two gasbag pipelines, every gasbag 4 is made by elastic material, aerify the volume expansion, on the user's forearm can be emboliaed to every arm protection sheath 7, play the guard action to user's wrist and forearm. The user aerifys protective sheath 7 with the arm before the bench press training and overlaps on wrist and forearm, at the bench press in-process, the cylinder internal gas is impressed two gasbags 4 and is gone into arm through gasbag pipeline 5 and aerifys protective sheath 7, along with gasbag internal gas volume increase in group, arm aerifys protective sheath 7 volume inflation, can support the back of the hand effectively and wrap up in the forearm, the protection wrist avoids the damage, when changing the user, new user can open the gassing switch on the gasbag, the gas that the last user of discharge return circuit washed into, predetermine pressure again, fill into required amount of gas.

Claims

1. The utility model provides a safe inflatable lying-pushing fitness equipment, includes outrigger (1) and deck chair (8), its characterized in that, deck chair (8) downside and rear side are equipped with aerifys the regulator, be equipped with a support frame (2) in outrigger (1) inner wall, the support frame (2) left and right sides outer wall is fixed through a fixed block (20) respectively outrigger (1) inner wall, be equipped with a cylindrical spout (15) in the lateral wall about support frame (2) respectively, every it is equipped with support frame slider (16) to slide in support frame spout (15), fixed being equipped with one between two cylinder slider (16) pushes away thick stick (11), it holds cover (6) to go up bilateral symmetry fixed being equipped with on pushing away thick stick (11), support frame (2) upside inner wall fixed connection is equipped with cylinder group, it has two vertical direction cylinder push rods (18) to have, every cylinder push rod (18) lower extreme is fixed respectively on cylinder pushing bar (11), support frame (2) upside outer wall is fixed and is equipped with an air inlet bin (3), air inlet bin (3) upper end is equipped with an air current control box (12), air current control box (12) with air inlet bin (3) are with the pipeline UNICOM, air current control box (12) are through gasbag group pipeline (14) connection gasbag group.

2. A safe inflatable lying-pushing body-building device according to claim 1, wherein said inflatable pressure-regulating device comprises an inflator pump (9) arranged at the lower side of the reclining chair (8), said inflator pump (9) is connected to an air storage tank (10), said air storage tank (10) is connected to two of said cylinders (17) through an inflation tube (22), and said inflation tube (22) is provided with a pressure-regulating valve (13).

3. A safe inflatable lying-pushing body-building device according to claim 1, wherein said cylinder group comprises two cylinders (17) symmetrically arranged left and right, the upper end surface of each cylinder (17) is fixedly arranged on the inner wall of the upper side of said support frame (2), the upper frame body of said support frame (2) is provided with two openings, said two openings are respectively communicated with said two cylinders (17) and said air inlet chamber (3), the upper ends of said two cylinder push rods (18) are fixedly connected with two airtight sliding plates (21), and each airtight sliding plate (21) can slide up and down on the inner wall of each cylinder (17).

4. The safe inflatable lying-pushing body builder as claimed in claim 1 or 3, wherein an oil pocket (25) filled with oil is fixedly arranged on the inner wall of the upper side of the support frame (2), the oil pocket (25) is positioned in the cylinder on the right side of the cylinder group, a return spring (35) is arranged in the oil pocket (25), the lower end of the return spring (35) is fixedly connected with the inner wall of the lower side of the oil pocket (25), the upper end of the return spring (35) is fixedly connected with the inner wall of the lower side of the support frame (2), the oil pocket (25) is communicated with an oil pipe (26), and the oil pipe (26) passes through the upper wall of the support frame (2) and is communicated with the right end opening of the airflow control box (12).

5. A safe inflatable bench press fitness apparatus according to claim 1, wherein the upper wall of the housing of the air inlet chamber (3) is provided with a first opening (23), and the first opening (23) is tightly connected with a first port of a first tee pipe (29); the gas flow control box (12) comprises a box body (27), the top end of a second port of the first three-way pipe (29) is communicated with a gas inlet of a gas inlet one-way valve (30), the top end of a third port of the first three-way pipe (29) is provided with a gas backflow protection device (28), the top end of a third port of the first three-way pipe (29) is communicated with a gas outlet (33) of the gas backflow protection device (28), a second three-way pipe (24) is further arranged in the box body (27), a first port of the second three-way pipe (24) is communicated with a gas outlet of the gas inlet one-way valve (30), a second port of the second three-way pipe (24) is communicated with a gas inlet (32) of the gas backflow protection device (28), and a third port of the second three-way pipe (24) is communicated with the gas bag group pipeline (14).

6. The safe inflatable lying body builder of claim 4, wherein the gas backflow protection device comprises a device block (28), an air inlet hole (32) and an air outlet hole (33) are arranged in the device block (28), the air inlet hole (32) and the air outlet hole (33) are located in the same vertical direction in the device block (28), a middle sliding groove (38) is arranged in the device block (28), the left end of the middle sliding groove (38) is sealed in the device block (28), the right end of the middle sliding groove (38) is open and communicated with the oil pipe (26), the left end of the middle sliding groove (38) is provided with a thin opening, the middle sliding groove (38) is communicated with the air inlet hole (32) and the air outlet hole (33), the lower end face of the middle sliding groove (38) is provided with a square clamping groove (40), the square clamping groove (40) is communicated with the upper end of a pressure pipe (41), and the lower end of the pressure pipe (41) is communicated with a third port of the first three-way pipe (29); the middle sliding groove (38) is internally provided with a cylindrical sliding block (31) in a sliding mode, the cylindrical sliding block (31) is provided with a through hole (34) in the vertical direction, the cylindrical sliding block (31) is located on the left side of the through hole (34) and is provided with a square hole (44) with an opening facing the lower end face of the middle sliding groove (38), a square block (42) is arranged in the square hole (44), the upper end face of the square hole (44) is connected with the upper end face of the square block (42) through a dead-clamping spring (43), and an air return check valve (45) is arranged on an air outlet hole (33) communicating pipeline.

7. The safe inflatable lying-pushing body builder as claimed in claim 1, wherein the airbag group comprises airbags (4) symmetrically arranged from left to right, the two airbags (4) are fixed on the inner walls of the left and right sides of the support frame (2) through fixing frames (19), the two airbags (4) are provided with deflation switches, the lower sides of the two airbags (4) are respectively provided with an airbag pipeline (5) communicated with the airbags (4), the two airbag pipelines (5) are rubber hoses, the lower ends of the two airbag pipelines (5) are communicated with arm inflation protective sleeves (7), each airbag (4) is made of an elastic material, the inflation volume is expanded, and each arm inflation protective sleeve (7) can be sleeved on the forearm of a user to protect the wrist and the forearm of the user.