CN114887298A

CN114887298A - Fitness equipment with stretching protection function

Info

Publication number: CN114887298A
Application number: CN202210628513.1A
Authority: CN
Inventors: 张文忠
Original assignee: Individual
Current assignee: Shandong Shuyoute Fitness Technology Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-08-12
Anticipated expiration: 2042-06-06
Also published as: CN114887298B

Abstract

The invention discloses fitness equipment with a stretching protection function, and relates to the technical field of fitness equipment. The butterfly chest-clamping device aims to solve the problem that the traditional butterfly chest-clamping device cannot realize emergency braking when the arms are in an powerless state, so that the arm muscles of a user are easily pulled. The utility model provides a body-building apparatus with tensile protect function, is including the mount, and the link is installed to the left part of mount, and the mount pad is installed to the lower part of link right flank, is provided with exercise mechanism on the mount pad, and removal adjustment mechanism is installed on the right flank upper portion of link. According to the invention, in the exercise process of the exercise mechanism, the baffle is matched with the piston shell to separate hydraulic oil in the hydraulic pipes at the upper part and the lower part of the piston shell, so that the emergency braking function is realized, the aim of protecting the arms of a user is achieved, the deceleration is realized through the matching of the deceleration block and the straight rack, the over-high resetting speed is avoided, and the situation that the muscle of the arms is strained by the equipment when the arms are powerless to continue to move is avoided.

Description

Fitness equipment with stretching protection function

Technical Field

The invention relates to the technical field of fitness equipment, in particular to fitness equipment with a stretching protection function.

Background

The chest expanding exercise refers to the exercise which is developed by taking the muscles on the inner side of the chest as the center, and the heart and lung functions are enhanced through the chest expanding exercise, meanwhile, the coordination of the body is improved, and the flexibility and the agility of the body are increased.

Traditional butterfly chest clamping device is when taking exercise, make two holding rods draw close the back mutually and keep away from at the user of service, can give the outside thrust of user's arm when two holding rods draw close mutually, when the arm is weak state, the speed that two holding rods kept away from mutually can be greater than the speed when the arm is the powerful state, user of service's arm can be along with the holding rod is kept away from fast, this in-process, and traditional butterfly chest clamping device can't realize emergency braking, so cause user of service's arm muscle to pull easily.

Disclosure of Invention

The invention provides a body-building apparatus with a stretching protection function, which solves the problem that the traditional butterfly chest clamping device can not realize emergency braking when the arms are in a powerless state, so that the arm muscles of users are easily pulled to be injured.

The invention is realized by the following technical scheme: a body-building apparatus with stretching protection function comprises a fixed frame, a connecting frame is installed at the left part of the fixed frame, a sunshade is arranged at the upper parts of the fixed frame and the connecting frame, a seat is installed at the left side surface of the connecting frame, swing frames are installed at the left part and the right part of the upper side surface of the connecting frame in a rotating mode, connecting shells are installed on the two swing frames in a rotating mode, holding rods are installed on the two connecting shells, sponge is wrapped outside the two holding rods, anti-skidding lines are arranged on the outer side of the sponge and used for preventing skidding, an installation frame is installed at the upper part of the rear side surface of the connecting frame, a guide plate is fixedly connected between the installation frame and the upper side surface of the connecting frame, rack plates are arranged on the guide plate in a sliding mode and are respectively matched with the two swing frames through hinged plates, an installation seat is installed at the lower part of the right side surface of the connecting frame, an exercise mechanism is arranged on the installation seat, the exercise mechanism clamps the chest and exercises for chest expanding movement, exercise mechanism is connected with the installing frame, and rack plate and the spacing cooperation of exercise mechanism, the removal adjustment mechanism is installed on the right flank upper portion of link, removes adjustment mechanism and is used for additionally increasing the intensity of pressing from both sides chest and chest extension exercise, removes adjustment mechanism and exercise mechanism rigid coupling.

Preferably, the exercise mechanism comprises a hydraulic pipe, the hydraulic pipe is installed at the rear part of the installation seat, a piston shell is slidably arranged at the lower part of the hydraulic pipe, a cavity is formed in the middle of the piston shell, penetrating arc-shaped grooves are formed in the left part and the right part of the piston shell, a hollow pipe is arranged on the hydraulic pipe in a penetrating and sliding manner, a rotating gear is rotatably installed on the installation frame and matched with the hollow pipe through a hinge frame, a rotating rod is rotatably installed at the lower part in the hollow pipe and penetrates through the piston shell to be rotatably connected with the piston shell, a baffle is installed at the lower end of the rotating rod and rotatably installed in the cavity of the piston shell, the baffle is in limit fit with the arc-shaped grooves of the piston shell, a torsion spring is sleeved at the lower part of the rotating rod, two ends of the torsion spring are fixedly connected with the rotating rod and the piston shell respectively, an adjusting component is installed at the upper part of the hollow pipe and used for adjusting the exercise intensity, install in the left holding rod and press the subassembly, press the subassembly respectively with connect shell, installing frame and hollow tube sliding connection, press the subassembly and be used for pressing the regulating module and remove.

Preferably, the outer side surface of the piston shell is provided with a plurality of conical grooves, rubber rings are sleeved in the conical grooves of the piston shell, and the rubber rings on the piston shell are used for improving the sealing performance with the hydraulic pipe.

Preferably, the adjusting component comprises a rotating block, the rotating block is arranged on the upper portion of the rotating rod in a sliding mode, a groove is formed in the upper end of the rotating rod, an inclined groove is formed in the peripheral wall of the groove of the rotating rod, a protrusion is arranged on the lower portion of the rotating block and is in limit fit with the groove of the rotating rod, the rotating block is in sliding connection with the hollow tube, a lifting block is arranged in the hollow tube in a sliding mode, a threaded rod is rotatably arranged at the bottom of the lifting block, the lower portion of the threaded rod is in threaded connection with the upper portion of the rotating block, a worm wheel is arranged on the upper portion of the threaded rod, a worm is rotatably arranged on the lower portion of the hollow tube and is meshed with the worm wheel, a handle is arranged at the rear end of the worm, a pointer is fixedly connected with the worm, a dial is rotatably arranged on the rear portion of the worm, the dial on the worm is in sliding connection with the hollow tube through a connecting rod, and the dial on the worm is located on the front side of the pointer.

As preferred, press the subassembly including the conduit, the conduit is installed in left holding rod, the conduit passes the connection shell in proper order, leading truck and hollow tube, the one end of conduit and the lower part rigid coupling of hollow tube, be equipped with the stay cord in the conduit, the one end of stay cord is equipped with the sliding block, sliding block and left holding rod sliding connection, the rigid coupling has two first springs between sliding block and the holding rod, the rectangular channel has been seted up to the lower part of holding rod, the rectangular channel internal rotation formula of holding rod is installed and is pressed the briquetting, the lower part of pressing briquetting and stay cord is passed through the hinge bar and is rotated and be connected, the rigid coupling has the guide block in the hollow tube, the guide block is located the upside of elevator, the extrusion piece is installed to the last rotation type of guide block, the rigid coupling has torque spring between extrusion piece and the guide block, torque spring is around on the guide block, the other end and the extrusion piece rigid coupling of stay cord.

Preferably, the lower part of the extrusion piece is rotatably provided with a circular block through a rotating rod, and the circular block on the extrusion piece is arranged to be a smooth surface and used for reducing the friction force with the lifting block.

As preferred, remove adjustment mechanism including the mounting bracket, the mounting bracket rigid coupling is in the lower part of hollow tube, the upper portion slip of mounting bracket is equipped with the carriage, the rigid coupling has the second spring between carriage and the mounting bracket, carriage and link sliding connection, the second spring is around the outside at the mounting bracket, the forward-mounted of carriage has the spur rack, the axis of rotation is installed to the rear portion rotary type of link, the handle is installed to the left end of axis of rotation, the right part of axis of rotation is equipped with the straight-teeth gear, axis of rotation and carriage sliding connection, the stopper is installed to the trailing flank of link, the spacing groove has been seted up to the left surface of stopper, the spacing cooperation in spacing groove of straight-teeth gear and stopper in the axis of rotation, be used for spacing the carriage.

Preferably, the left side surface of the sliding frame is provided with a pointer, the pointer on the sliding frame penetrates through the fixed frame to be in sliding connection with the fixed frame, the right side surface of the fixed frame is embedded with a scale plate, and the pointer on the sliding frame is matched with the scale plate.

Preferably, still including the deceleration piece, the deceleration piece is equipped with a plurality of, and a plurality of deceleration piece is connected in the left and right sides two of deflector in the rotary type respectively, and a plurality of deceleration piece respectively and the deflector between the rigid coupling have the spring, the deceleration piece is used for rack board to restore to the throne and slow down.

Preferably, still including angle adjustment mechanism, angle adjustment mechanism is including fixed cover, fixed cover is equipped with two, two fixed covers are connected respectively on the upper portion of two holding rods, every fixed sheathe in and is slided and be equipped with the pulling frame, every pulling frame respectively with adjacent fixed cover between the rigid coupling have two third springs, a plurality of screens groove has all been seted up to the outside of every swinging arms, the upper end of every pulling frame all is equipped with the latch, latch on every pulling frame respectively with the spacing cooperation in screens groove of adjacent swinging arms.

The invention realizes that when the arms are suddenly weak in the exercise process through the exercise mechanism, the baffle is matched with the piston shell to separate hydraulic oil in the hydraulic pipes at the upper part and the lower part of the piston shell, so that the emergency braking function is realized, the aim of protecting the arms of a user is fulfilled, the arm is prevented from continuously moving due to weakness of the arms, and strain is caused to the muscles of the arms; through the cooperation of the latch on the pulling frame and the screens groove on the swing span among the angle adjustment mechanism, realize the angle modulation to the holding rod, realize making things convenient for the purpose that different personnel used.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of a first partial body structure according to the present invention.

Fig. 3 is a schematic partial sectional perspective view of the present invention.

Fig. 4 is a schematic view of the present invention in a partially cut-away perspective structure.

Fig. 5 is an enlarged perspective view of the present invention a.

Fig. 6 is a schematic perspective view of an exercise mechanism of the present invention.

Fig. 7 is a schematic diagram of a partially cut-away perspective structure of an exercise mechanism of the present invention.

Fig. 8 is a schematic partial perspective view of an exercise mechanism of the present invention.

Fig. 9 is a schematic perspective view of the movement adjusting mechanism of the present invention.

FIG. 10 is a schematic view of a second partial body structure according to the present invention.

Fig. 11 is a schematic perspective view of the angle adjustment mechanism of the present invention.

Description of reference numerals: 1-fixed frame, 2-connecting frame, 3-seat, 4-swinging frame, 5-connecting shell, 6-holding rod, 7-mounting frame, 8-guide plate, 81-speed-reducing block, 9-rack plate, 10-mounting seat, 11-exercising mechanism, 111-hydraulic tube, 112-piston shell, 113-hollow tube, 114-rotating gear, 115-rotating rod, 116-baffle, 117-torsion spring, 118-rotating block, 119-lifting block, 1110-threaded rod, 1111-worm wheel, 1112-worm, 1113-conduit, 1114-pull rope, 1115-sliding block, 1116-first spring, 1117-pressing block, 1118-hinged rod, 1119-guide block, 1120-extruding piece, 12-movement regulating mechanism, 121-a mounting frame, 122-a sliding frame, 123-a second spring, 124-a straight rack, 125-a rotating shaft, 126-a limiting block, 13-an angle adjusting mechanism, 131-a fixed sleeve, 132-a pulling frame, 133-a third spring and 134-a latch.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1

A body-building apparatus with stretching protection function is disclosed, as shown in fig. 1-9, comprising a fixed frame 1, a connecting frame 2 is installed at the left part of the fixed frame 1, a sunshade is arranged at the upper parts of the fixed frame 1 and the connecting frame 2, a seat 3 is installed at the left side surface of the connecting frame 2, the seat 3 can be adjusted in height, so that the apparatus is suitable for different persons to use, swing frames 4 are installed at the left and right parts of the upper side surface of the connecting frame 2 in a rotating mode, connecting shells 5 are installed on the two swing frames 4 in a rotating mode, holding rods 6 are installed on the two connecting shells 5, sponges are wrapped outside the two holding rods 6, anti-slip lines are arranged on the outer sides of the sponges to prevent slipping, a mounting frame 7 is welded at the upper part of the rear side surface of the connecting frame 2, a guide plate 8 is welded between the mounting frame 7 and the upper side surface of the connecting frame 2, a rack plate 9 is arranged on the guide plate 8 in a sliding mode, a speed reducing block 81 is used for reducing the movement of the rack plate 9, avoid rack plate 9 return stroke too fast, cause the arm to strain for the user, the articulated slab is installed to the equal rotary type in two parts of the left and right sides of side on rack plate 9, two articulated slabs on rack plate 9 rotate with two swing brackets 4 respectively and are connected, the lower part welding of 2 right flanks of link has mount pad 10, be provided with on the mount pad 10 and be used for pressing from both sides chest and chest expanding exercise's exercise mechanism 11, exercise mechanism 11 is connected with installing frame 7, rack plate 9 and exercise mechanism 11 limit fit, the removal adjustment mechanism 12 that is used for additionally increasing to press from both sides chest and chest expanding exercise intensity is installed on the right flank upper portion of link 2, remove adjustment mechanism 12 and exercise mechanism 11 rigid coupling.

As shown in fig. 3, the rack plate device further comprises a plurality of deceleration blocks 81, the deceleration blocks 81 are respectively and rotatably connected to the left and right portions of the guide plate 8, springs are fixedly connected between the deceleration blocks 81 and the guide plate 8, and the deceleration blocks 81 are used for resetting and decelerating the rack plate 9.

When the chest clamping exercise chair is used, a user firstly adjusts the exercise intensity through the exercise mechanism 11, then the user sits on the chair 3, and respectively holds the two holding rods 6 by two hands, and enables the two holding rods 6 to approach to the middle part, the two holding rods 6 approach to the middle part to enable the two swing frames 4 to approach to the middle part, the two swing frames 4 approach to the middle part and enable the rack plate 9 to move forwards through the hinged plates on the swing frames, the rack plate 9 moves forwards to push the speed reducing block 81 to approach to the guide plate 8, the spring on the speed reducing block 81 is compressed along with the speed reducing block, the rack plate 9 moves forwards to enable the exercise mechanism 11 to work, the exercise mechanism 11 works to provide resistance for the two holding rods 6 to approach to the middle part, so as to carry out chest clamping exercise for the user, when the two holding rods 6 approach to each other, the user enables the two holding rods 6 to be far away from each other and reset, in the process, the two holding rods 6 are far away from each other to respectively enable the two swing plates to be far away, two holding rods 6 make rack plate 9 rearward movement through the articulated slab on it respectively, rack plate 9 rearward movement makes the frictional force that produces with deceleration piece 81, reduce the speed of rack plate 9 rearward movement, thereby alleviate the pulling force when two holding rods 6 reset, rack plate 9 rearward movement makes exercise mechanism 11 reset, two holding rods 6 keep away from mutually and expand chest to the user and take exercise, so constantly repeated can accomplish press from both sides chest and expand chest and take exercise, after taking exercise, the user leaves seat 3 can.

Example 2

On the basis of embodiment 1, as shown in fig. 4 to 8, the exercise mechanism 11 includes a hydraulic pipe 111, the hydraulic pipe 111 is installed at the rear portion of the installation seat 10, hydraulic oil is contained in the hydraulic pipe 111, a piston housing 112 is slidably installed at the lower portion of the hydraulic pipe 111, a cavity is opened at the middle portion of the piston housing 112, a plurality of tapered grooves are opened at the outer side surface of the piston housing 112, a rubber ring is sleeved in the tapered groove of the piston housing 112, the rubber ring on the piston housing 112 is used for increasing the sealing performance with the hydraulic pipe 111, penetrating arc-shaped grooves are opened at the left and right portions of the piston housing 112, a hollow pipe 113 is penetrated and slidably installed on the hydraulic pipe 111, a rotating gear 114 is rotatably installed on the installation frame 7, a hinge frame is rotatably connected to the lower portion of the rotating gear 114, the hinge frame on the rotating gear 114 is rotatably connected to the hollow pipe 113, the rotating gear 114 rotates to move the hollow pipe 113 upward through the hinge frame thereon, the hollow tube 113 moves upwards to enable the piston shell 112 to move upwards, hydraulic oil in the hollow tube 113 provides resistance to the upward movement of the piston shell 112, a rotating rod 115 is rotatably installed at the lower portion in the hollow tube 113, the lower end of the rotating rod 115 penetrates through the piston shell 112 to be rotatably connected with the piston shell, a baffle 116 is welded at the lower end of the rotating rod 115, the baffle 116 is rotatably installed in a cavity of the piston shell 112, the baffle 116 is in limit fit with an arc-shaped groove of the piston shell 112, the baffle 116 rotates to open or close the arc-shaped groove of the piston shell 112, so that the resistance during exercise is adjusted, the hydraulic oil pump is suitable for different persons to use, a torsion spring 117 is sleeved at the lower portion of the rotating rod 115, the torsion spring 117 stores force when the rotating rod 115 rotates to provide power for the resetting of the rotating rod 115, two ends of the torsion spring 117 are fixedly connected with the rotating rod 115 and the piston shell 112 respectively, a groove is formed in the upper end of the rotating rod 115, a chute is formed in the peripheral wall of the groove of the rotating rod 115, the lower part of the rotating block 118 is provided with a bulge, the bulge of the rotating block 118 is in limit fit with a groove of the rotating rod 115, the rotating block 118 is in sliding connection with the hollow tube 113, the lifting block 119 is arranged in the hollow tube 113 in a sliding manner, the bottom of the lifting block 119 is rotatably provided with a threaded rod 1110, the lower part of the threaded rod 1110 is in threaded connection with the upper part of the rotating block 118, the upper part of the threaded rod 1110 is provided with a worm wheel 1111 through a key, the lower part of the hollow tube 113 is rotatably provided with a worm 1112, the worm 1112 is meshed with the worm wheel 1111, the rear end of the worm 1112 is welded with a handle, the worm 1112 is welded with a pointer, the rear part of the worm 1112 is rotatably provided with a dial, the dial on the worm 1112 is in sliding connection with the hollow tube 113 through a connecting rod, the dial on the worm 1112 is positioned on the front side of the pointer on the worm 1112, and the intensity of exercise is accurately adjusted through the matching of the pointer on the worm 1112 and the dial, install in the left holding rod 6 and press the subassembly, press the subassembly respectively with connect shell 5, installing frame 7 and hollow tube 113 sliding connection, press the subassembly and be used for pressing the adjustment subassembly and remove.

As shown in fig. 4-8, the pressing assembly includes a wire guide 1113, the wire guide 1113 is embedded in the left holding rod 6, the wire guide 1113 sequentially passes through the connecting shell 5, the guide frame and the hollow tube 113, one end of the wire guide 1113 is welded with the lower part of the hollow tube 113, a pulling rope 1114 is arranged in the wire guide 1113, one end of the pulling rope 1114 is fixed with a sliding block 1115 which is connected with the left holding rod 6 in a sliding manner, two first springs 1116 are fixed between the sliding block 1115 and the holding rod 6, the lower part of the holding rod 6 is provided with a rectangular groove, a pressing block 1117 is rotatably arranged in the rectangular groove of the holding rod 6, the pressing block 1117 is rotatably connected with the lower part of the pulling rope 1114 through a hinge bar 1118, a guide block 1119 is fixedly connected in the hollow tube 113, the guide block 1119 is positioned at the upper side of the pressing block 119, an extruding part 1120 is rotatably arranged on the guide block 1119, the hinge block 1117 makes the sliding block move downwards through the hinge bar 1118, the sliding block 1115 moves downwards to make the upper extruding part of the pulling rope 1120 swing upwards through the extruding part 1114, the lower part of extruded piece 1120 swings downwards and extrudes elevator block 119 and moves downwards, the rigid coupling has torsion spring between extruded piece 1120 and guide block 1119, torsion spring is around on guide block 1119, the other end and the extruded piece 1120 rigid coupling of stay cord 1114, the circular block is installed through the bull stick rotary type in the lower part of extruded piece 1120, and the circular block sets up for the smooth surface on extruded piece 1120 for reduce with the frictional force of elevator block 119.

As shown in fig. 6 and 10, the movement adjusting mechanism 12 includes a mounting frame 121, the mounting frame 121 is fixedly connected to a lower portion of a hollow tube 113, a sliding frame 122 is slidably disposed on an upper portion of the mounting frame 121, a second spring 123 is welded between the sliding frame 122 and the mounting frame 121, the sliding frame 122 is slidably connected to the connecting frame 2, the second spring 123 is sleeved on an outer side of the mounting frame 121, the sliding frame 122 moves downward to press a pressure on the mounting frame 121 through the second spring 123, the mounting frame 121 then presses the pressure on the hollow tube 113, a spur rack 124 is installed on a front portion of the sliding frame 122 through a bolt, a rotating shaft 125 is rotatably installed on a rear portion of the connecting frame 2, a handle is welded to a left end of the rotating shaft 125, a spur gear is disposed on a right portion of the rotating shaft 125, the rotating shaft 125 rotates to cooperate with the spur rack 124 through the spur gear thereon, the rotating shaft 125 is slidably connected to the sliding frame 122, a limiting block 126 is welded to a rear side of the connecting frame 2, the spacing groove has been seted up to the left surface of stopper 126, the straight-toothed gear that the axis of rotation 125 moved left on it makes breaks away from the spacing groove on the stopper 126, remove the spacing to axis of rotation 125, user clockwise or anticlockwise rotation makes axis of rotation 125 rotate afterwards, so highly adjust carriage 122, thereby carry out extra exercise intensity and increase, the spacing cooperation of straight-toothed gear and stopper 126's spacing groove on the axis of rotation 125, the pointer is installed to the left surface of carriage 122, pointer on the carriage 122 passes mount 1 and its sliding connection, the scale plate has been inlayed to the right flank of mount 1, pointer and scale plate cooperation on the carriage 122.

During the use, the user holds the handle on the worm 1112 and makes it rotate clockwise or anticlockwise, worm 1112 rotates and drives worm wheel 1111 and rotate, worm wheel 1111 rotates and drives threaded rod 1110 and rotate, threaded rod 1110 rotates clockwise or anticlockwise and makes turning block 118 upwards or move down, so can increase or reduce the distance between turning block 118 and dwang 115, thereby make the rotatory angle of dwang 115 reduce or increase, and then accomplish the regulation to the exercise intensity, make it be applicable to different personnel and use, when adjusting the exercise intensity, the user cooperates with the calibrated scale on it according to the pointer on the worm 1112, carry out accurate regulation to the intensity of exercising, the user sits on seat 3 afterwards, and hold two holding rods 6 respectively through both hands.

After a user holds the left holding rod 6, the pressing block 1117 is squeezed by the hand of the user to swing towards the inside of the left holding rod 6, the pressing block 1117 swings to enable the sliding block 1115 to move downwards through the hinge rod 1118, the first spring 1116 is compressed with the sliding block 1115, the sliding block 1115 moves downwards to enable the upper portion of the extrusion part 1120 to swing upwards through the pull rope 1114, the lower portion of the extrusion part 1120 swings downwards with the sliding block, the torsion spring on the extrusion part 1120 stores force, the lower portion of the extrusion part 1120 swings downwards to enable the lifting block 119 to move downwards, the lifting block 119 moves downwards to enable the rotating block 118 to move downwards through the threaded rod 1110, the rotating block 118 moves downwards to enable the protrusion on the rotating block to be in limit fit with the groove of the rotating rod 115, the rotating rod 115 rotates clockwise to enable the baffle 116 to rotate clockwise, the torsion spring 117 screws with the baffle 116 to store force, and the baffle 116 rotates clockwise to open the arc-shaped groove of the piston shell 112.

Then, two holding rods 6 are forced to approach to the middle part by two hands, two holding rods 6 approach to the middle part to enable two swing frames 4 to approach to the middle part, two swing frames 4 approach to the middle part to enable rack plates 9 to move forwards through hinged plates on the two swing frames, the rack plates 9 move forwards to push speed reducing blocks 81 to approach to guide plates 8, springs on the speed reducing blocks 81 compress accordingly, the rack plates 9 move forwards to enable rotating gears 114 to rotate anticlockwise, the rotating gears 114 rotate anticlockwise to enable hollow tubes 113 to move upwards through the hinged frames, the hollow tubes 113 move upwards to drive piston shells 112 to move upwards, hydraulic oil on the upper portions of the hydraulic tubes 111 flows to the lower sides of the piston shells 112 through arc grooves of the piston shells 112, resistance is provided for the piston shells 112 to move upwards through hydraulic oil in the hydraulic tubes 111, in the process, a user achieves chest clamping exercise, and when the two holding rods 6 approach to each other, the user enables the two holding rods 6 to be far away from the reset, two in-process that the holding rod 6 kept away from mutually, the user has realized the motion is tempered in expanding chest, this in-process, two holding rods 6 keep away from mutually and make two pendulous boards keep away from respectively, two holding rods 6 make rack plate 9 backward move through the articulated slab above that respectively, the frictional force of rack plate 9 backward movement and speed reduction piece 81 production, the speed that the realization removed rack plate 9 backward slows down, thereby alleviate the pulling force when two holding rods 6 reset, reach the purpose of protection arm, hydraulic oil of lower part upwards flows through piston shell 112's arc wall in the hydraulic pressure pipe 111 simultaneously, so constantly repeated can accomplish press from both sides chest and expand chest and temper, after the exercise is accomplished, the user leaves seat 3 can.

At this time, the pressing block 1117 is no longer limited, the sliding block 1115 moves upwards under the elastic action of the first spring 1116, the pulling rope 1114 releases the pulling force on the extrusion piece 1120, the extrusion piece 1120 swings and resets under the action of the torsion spring, so that the limitation on the lifting block 119 is released, at this time, the rotating rod 115 rotates and resets under the elastic action of the torsion spring 117, the rotating rod 115 rotates and resets to enable the rotating block 118 to move upwards, the rotating block 118 moves upwards to drive the lifting block 119 to move upwards through the threaded rod 1110, the rotating rod 115 rotates and resets to drive the baffle 116 to rotate and reset, and the baffle 116 rotates and resets to seal the arc-shaped groove of the piston shell 112.

When the exercise intensity needs to be additionally increased, a user holds the handle on the rotating shaft 125 to enable the handle to rotate anticlockwise, the rotating shaft 125 rotates anticlockwise to enable the spur gear on the rotating shaft to rotate anticlockwise, the spur rack 124 moves downwards to drive the sliding frame 122 to move downwards, the sliding frame 122 moves downwards to extrude the second spring 123, the pressure of the second spring 123 is pressed on the mounting frame 121 along with the pressure, the mounting frame 121 transmits the pressure to the hollow pipe 113, the resistance of the hollow pipe 113 moving upwards is increased in this way, the purpose of additionally increasing the exercise intensity is achieved, when the exercise intensity is additionally adjusted, the user can complete the accurate adjustment of the additionally increasing the exercise intensity through the matching of the pointer on the sliding frame 122 and the scale marks on the glass window of the fixing frame 1, the accurate adjustment of the exercise of the additionally increasing the intensity is achieved through the operation mode, and the purpose of using for different people is achieved, after the use of the present invention, the user holds the handle of the rotating shaft 125 to rotate clockwise, so that the sliding rack 122 moves upward to reset, the elastic force of the second spring 123 is released, and no pressure is generated on the hollow tube 113, thereby facilitating different people to use the present invention and improving the practicability of the present invention.

Example 3

On the basis of embodiment 2, as shown in fig. 4 and 11, the swing arm device further includes an angle adjusting mechanism 13, the angle adjusting mechanism 13 includes two fixing sleeves 131, the two fixing sleeves 131 are respectively welded on the upper portion of the handle bar 6, two sides of each fixing sleeve 131 are respectively provided with a pull frame 132 in a sliding manner, each pull frame 132 is respectively fixed with two third springs 133 on the adjacent fixing sleeves 131, before performing exercise, a user first presses the pull frame 132 downwards, the third springs 133 are compressed therewith, the outer portion of each swing frame 4 is respectively provided with a plurality of clamping grooves, the upper end of each pull frame 132 is provided with a latch 134 for clamping the handle bar 6, the latch 134 on each pull frame 132 is respectively in limit fit with the clamping groove of the adjacent swing frame 4, the pull frame 132 moves downwards to make the latch 134 thereon far away from the clamping groove on the swing frame 4, and then the user rotates the swing handle bar 6 clockwise or counterclockwise, the angle of the holding rod 6 is adjusted, so that different persons can use the holding rod conveniently, after the adjustment is completed, a user loosens the pulling frame 132, the pulling frame 132 moves upwards under the action of the third spring 133, and the pulling frame 132 moves upwards to be matched with the clamping groove on the swing frame 4 through the clamping teeth 134 on the pulling frame 132, so that the limiting work of the holding rod 6 is completed.

Example 4

On the basis of embodiment 3, when the hands are suddenly weak during the exercise, the user's hand is away from the pressing block 1117, the sliding block 1115 moves upward under the elastic force of the first spring 1116, the pulling rope 1114 releases the pulling force on the pressing block 1120, the pressing block 1120 swings and resets under the action of the torsion spring, so as to release the limit on the lifting block 119, at this time, the rotating rod 115 rotates and resets under the elastic force of the torsion spring 117, the rotating rod 115 rotates and resets to move the rotating block 118 upward, the rotating block 118 moves upward to drive the lifting block 119 to move upward through the threaded rod 1110, the rotating block 115 rotates and resets to drive the baffle 116 to rotate and reset, the baffle 116 rotates and resets to seal the arc-shaped groove of the piston housing 112, at this time, the hydraulic oil in the hydraulic tube 118 cannot flow through the arc-shaped groove on the piston housing 112, thereby realizing the emergency braking function of the holding rod 6 and achieving the purpose of protecting the user's arms, the injury to the arms of the user caused by the movement of the holding rod 6 when the arms are suddenly weak is avoided.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A body-building apparatus with a stretching protection function comprises a fixed frame (1), a connecting frame (2) is installed at the left part of the fixed frame (1), a sunshade is arranged at the upper parts of the fixed frame (1) and the connecting frame (2), a seat (3) is installed at the left side surface of the connecting frame (2), swing frames (4) are installed at the left part and the right part of the upper side surface of the connecting frame (2) in an equal rotating mode, connecting shells (5) are installed on the two swing frames (4) in an equal rotating mode, holding rods (6) are installed on the two connecting shells (5), sponges are wrapped outside the two holding rods (6), anti-skidding lines are arranged on the outer sides of the sponges to prevent skidding, a mounting frame (7) is installed at the upper part of the rear side surface of the connecting frame (2), a guide plate (8) is fixedly connected between the mounting frame (7) and the upper side surface of the connecting frame (2), and a rack plate (9) is arranged on the guide plate (8) in a sliding mode, rack board (9) pass through the articulated slab cooperation with two swing span (4) respectively, mount pad (10) are installed to the lower part of link (2) right flank, a serial communication port, still including exercise mechanism (11), exercise mechanism (11) set up on mount pad (10), exercise mechanism (11) are used for pressing from both sides chest and chest expanding exercise, exercise mechanism (11) are connected with installing frame (7), rack board (9) and exercise mechanism (11) spacing cooperation, remove adjustment mechanism (12) are installed on the right flank upper portion of link (2), remove adjustment mechanism (12) and be used for additionally increasing the intensity of pressing from both sides chest and chest expanding exercise, remove adjustment mechanism (12) and exercise mechanism (11) rigid coupling.

2. The fitness apparatus with the stretching protection function according to claim 1, wherein the exercise mechanism (11) comprises a hydraulic pipe (111), the hydraulic pipe (111) is installed at the rear part of the mounting seat (10), a piston shell (112) is slidably arranged at the lower part of the hydraulic pipe (111), a cavity is formed in the middle of the piston shell (112), penetrating arc-shaped grooves are formed in the left part and the right part of the piston shell (112), a hollow pipe (113) penetrates through and is slidably arranged on the hydraulic pipe (111), a rotating gear (114) is rotatably installed on the mounting frame (7), the rotating gear (114) is matched with the hollow pipe (113) through a hinge frame, a rotating rod (115) is rotatably installed at the lower part in the hollow pipe (113), the lower end of the rotating rod (115) penetrates through the piston shell (112) to be rotatably connected with the piston shell, a baffle (116) is installed at the lower end of the rotating rod (115), and the baffle (116) is rotatably installed in the cavity of the piston shell (112), baffle (116) and the spacing cooperation of arc wall of piston shell (112), the lower part cover of dwang (115) has torsional spring (117), the both ends of torsional spring (117) respectively with dwang (115) and piston shell (112) rigid coupling, adjusting part is installed on the upper portion of hollow tube (113), adjusting part is used for adjusting the intensity of taking exercise, install in left holding rod (6) and press the subassembly, press the subassembly respectively with connect shell (5), installing frame (7) and hollow tube (113) sliding connection, it is used for pressing the adjusting part and removes to press the subassembly.

3. The fitness apparatus with the stretching protection function according to claim 2, wherein the outer side surface of the piston shell (112) is provided with a plurality of tapered grooves, rubber rings are sleeved in the tapered grooves of the piston shell (112), and the rubber rings on the piston shell (112) are used for improving the sealing performance with the hydraulic pipe (111).

4. The fitness apparatus with the stretching protection function according to claim 2, wherein the adjusting component comprises a rotating block (118), the rotating block (118) is slidably arranged at the upper part of the rotating rod (115), a groove is formed at the upper end of the rotating rod (115), a chute is formed in the peripheral wall of the groove of the rotating rod (115), a protrusion is arranged at the lower part of the rotating block (118), the protrusion of the rotating block (118) is in limit fit with the groove of the rotating rod (115), the rotating block (118) is slidably connected with the hollow tube (113), a lifting block (119) is slidably arranged in the hollow tube (113), a threaded rod (1110) is rotatably arranged at the bottom of the lifting block (119), the lower part of the threaded rod (1110) is in threaded connection with the upper part of the rotating block (118), a worm wheel (1111) is arranged at the upper part of the threaded rod (1110), a worm (1112) is rotatably arranged at the lower part of the hollow tube (113), the worm (1112) is meshed with the worm wheel (1111), the rear end of the worm (1112) is provided with a handle, the worm (1112) is fixedly connected with a pointer, the rear part of the worm (1112) is rotatably provided with a dial, the dial on the worm (1112) is connected with the hollow tube (113) in a sliding way through a connecting rod, and the dial on the worm (1112) is positioned at the front side of the pointer.

5. The fitness equipment with the stretching protection function according to claim 2, wherein the pressing component comprises a wire guide (1113), the wire guide (1113) is installed in the holding rod (6) on the left side, the wire guide (1113) sequentially penetrates through the connecting shell (5), the guide frame and the hollow tube (113), one end of the wire guide (1113) is fixedly connected with the lower part of the hollow tube (113), a pull rope (1114) is arranged in the wire guide (1113), one end of the pull rope (1114) is provided with a sliding block (1115), the sliding block (1115) is slidably connected with the holding rod (6) on the left side, two first springs (1116) are fixedly connected between the sliding block (1115) and the holding rod (6), the lower part of the holding rod (6) is provided with a rectangular groove, the pressing block (1117) is rotatably installed in the rectangular groove of the holding rod (6), the pressing block (1117) is rotatably connected with the lower part of the pull rope (1114) through a hinge rod (1118), the rigid coupling has guide block (1119) in hollow tube (113), and guide block (1119) are located the upside of elevator (119), and extrusion piece (1120) are installed to the last rotation type of guide block (1119), and the rigid coupling has torsion spring between extrusion piece (1120) and guide block (1119), and torsion spring winds on guide block (1119), and the other end and extrusion piece (1120) rigid coupling of stay cord (1114).

6. An exercise apparatus with stretching protection function as claimed in claim 5, wherein the lower part of the extrusion member (1120) is rotatably installed with a circular block by a rotating rod, and the circular block on the extrusion member (1120) is smooth for reducing the friction with the lifting block (119).

7. The exercise apparatus with stretching protection function as claimed in claim 2, wherein the movement adjusting mechanism (12) comprises a mounting frame (121), the mounting frame (121) is fixedly connected to the lower portion of the hollow tube (119), a sliding frame (122) is slidably disposed on the upper portion of the mounting frame (121), a second spring (123) is fixedly connected between the sliding frame (122) and the mounting frame (121), the sliding frame (122) is slidably connected to the connecting frame (2), the second spring (123) is wound on the outer side of the mounting frame (121), a spur rack (124) is disposed on the front portion of the sliding frame (122), a rotating shaft (125) is rotatably disposed on the rear portion of the connecting frame (2), a handle is disposed on the left end of the rotating shaft (125), a spur gear is disposed on the right portion of the rotating shaft (125), the rotating shaft (125) is slidably connected to the sliding frame (122), a limiting block (126) is disposed on the rear side of the connecting frame (2), a limiting groove is formed in the left side face of the limiting block (126), and a spur gear on the rotating shaft (125) is in limiting fit with the limiting groove of the limiting block (126) and used for limiting the sliding frame (122).

8. The exercise apparatus with stretching protection function as claimed in claim 7, wherein the left side of the sliding frame (122) is provided with a pointer, the pointer on the sliding frame (122) passes through the fixed frame (1) to be slidably connected with the fixed frame, the right side of the fixed frame (1) is embedded with a scale plate, and the pointer on the sliding frame (122) is matched with the scale plate.

9. The fitness apparatus with the stretching protection function according to claim 7, further comprising a plurality of deceleration blocks (81), wherein the deceleration blocks (81) are rotatably connected to the left and right parts of the guide plate (8), a spring is fixedly connected between each deceleration block (81) and the guide plate (8), and the deceleration blocks (81) are used for resetting and decelerating the rack plate (9).

10. The fitness apparatus with the stretching protection function as claimed in claim 9, further comprising an angle adjustment mechanism (13), wherein the angle adjustment mechanism (13) comprises two fixing sleeves (131), the two fixing sleeves (131) are respectively connected to the upper portions of the two holding rods (6), each fixing sleeve (131) is slidably provided with a pulling frame (132), two third springs (133) are fixedly connected between each pulling frame (132) and the adjacent fixing sleeve (131), the outer portion of each swing frame (4) is provided with a plurality of clamping grooves, the upper end of each pulling frame (132) is provided with a clamping tooth (134), and the clamping tooth (134) on each pulling frame (132) is in limit fit with the clamping groove of the adjacent swing frame (4).