CN114849143A

CN114849143A - Fitness equipment with emergency braking personnel safety protection function

Info

Publication number: CN114849143A
Application number: CN202210646884.2A
Authority: CN
Inventors: 云志强
Original assignee: Individual
Current assignee: Taizhou Dike Locomotive Industry Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-08-05
Anticipated expiration: 2042-06-09
Also published as: CN114849143B

Abstract

The invention relates to a body-building apparatus with the safety function of emergency braking protection personnel. The barbell aims to solve the technical problem that when the arm is suddenly cramped and fails to work, the barbell slides off the hand, and the safety of the exerciser is threatened. The utility model provides a body-building apparatus with emergency braking protection personnel safety function, including the bed of lying, both sides all are equipped with the mounting bracket around the bed of lying, all slide on every mounting bracket and be equipped with the sliding block, all slide on every sliding block and be equipped with the slide bar, there is the thread bush inside two slide bars through threaded connection, the dead lever is all installed to the outer end of two slide bars, all is connected with the mounting panel on every dead lever, and the lateral surface of two mounting panels all is provided with prevents falling the mechanism. According to the invention, through the anti-falling mechanism, the position of the barbell disc is limited by utilizing the matching of the bending part and the anti-falling block, so that the aim of protecting a user is achieved, and the injury to the user caused by the sliding of the barbell disc is avoided.

Description

Fitness equipment with emergency braking personnel safety protection function

Technical Field

The invention relates to the technical field of fitness equipment, in particular to fitness equipment with an emergency braking function for protecting personnel safety.

Background

The flat-plate lying-pushing device is a main beating action for the chest muscle exercise, and shoulder joint and elbow joint movement can be involved in the lying-pushing process.

When present taking exercise through flat push-type ware of lying, need promote the even fast upwards and the downstream of barbell through the hand, because the reason of gravity, so can make the speed of push-up be slower than the speed of whereabouts, and along with the time extension of taking exercise, the arm strength of hand reduces along with it, for this reason in follow-up exercise process, need other people to lift the auxiliary exercise personnel of barbell and accomplish the exercise, when near nobody, the arm that the personnel of taking exercise promoted the barbell at this moment can draw close to the chest gradually, so can make the barbell press at the personnel's of taking exercise chest, when the arm takes out the muscle suddenly and appears the state of being weak, the barbell at this moment can be followed the hand landing, and traditional flat push-type ware of lying can't avoid the falling of barbell, so can lead to the fact the threat to exercise personnel's safety.

Disclosure of Invention

To solve the above mentioned problems in the background art, the present invention provides a fitness apparatus with emergency braking personnel safety protection function.

In order to achieve the aim, the body-building equipment with the emergency braking function for protecting personnel safety comprises a lying bed, two support frames are arranged on the lower side surface of the lying bed, rectangular through holes are formed in the front part of the support frame on the right side, mounting frames are arranged on the front side and the rear side of the lying bed, a sliding block is arranged on each mounting frame in a sliding mode, a sliding rod is arranged on each sliding block in a sliding mode, the inner parts of the two sliding rods are connected with threaded sleeves through threads, fixing rods are arranged on the outer end surfaces of the two sliding blocks, a mounting plate is connected onto each fixing rod, a sliding groove is formed in the lower part of the mounting plate, containing rods are arranged in the sliding groove of the mounting plate in a sliding mode, a connecting block is arranged on each containing rod, a fixing piece is connected onto each containing rod through threads, anti-falling mechanisms are arranged on the outer side surfaces of the two mounting plates, the two groups of anti-falling mechanisms are respectively in contact fit with the adjacent containing rods, the anti-falling mechanisms are used for preventing barbells from falling rapidly and limiting and fixing the barbells, along with the gravity change of the barbell disc on the containing rod, the internal cooperation of the anti-falling mechanism changes the position matching relationship of parts, so that the anti-falling mechanism can not generate overlarge variation under the driving of different weights.

Preferably, the ends of the two sliding rods are both conical tables, the outer ends of the two sliding rods are both provided with spline blocks, and the spline blocks of the two sliding rods are respectively in sliding connection with the adjacent sliding blocks for preventing the sliding rods from rotating.

Preferably, prevent falling the mechanism and including the elastic component, the elastic component sets up the front portion at the dead lever, the wedge is all installed to every lower part that holds the pole, the upper portion of wedge is seted up flutedly, the recess of wedge with hold the pole sealed cooperation, the leading flank of mounting panel rotates through the bull stick and is connected with two wedge swinging brackets, the wedge respectively with two wedge swinging brackets contact cooperation, the rectangle frame is all installed on the upper portion of every wedge swinging bracket, the elastic component about two parts pass adjacent rectangle frame respectively and rather than sliding connection, it prevents weighing down the piece all to install a plurality of about two walls in the mounting bracket, two of subtend prevent weighing down the piece and incline the lower part in opposite directions and be the inclined plane, the draw-in groove has all been seted up to the side face of every preventing weighing down the piece, two elastic components respectively with adjacent prevent weighing down the spacing cooperation of piece.

Preferably, the two wedge-shaped swing frames are symmetrical about the axis of the containing rod.

Preferably, the elastic component is made of alloy spring steel, so that the elastic component can conveniently rebound quickly and can be matched with the anti-falling block to provide supporting force.

Preferably, the elastic member is divided into a fixing portion connected to the adjacent fixing rod and a bending portion connected to a lower side of the fixing portion, and a thickness of the bending portion is gradually reduced from a middle portion to both sides for preventing breakage during bending.

Preferably, still including the running-board, the running-board is installed in the rectangle through-hole of right side support frame through the pivot rotary type, the downside of running-board and the bottom rigid coupling have the spring in the rectangle through-hole of right side support frame, the medial surface lower part of two mounting brackets is all installed through the bull stick rotary type and is held the frame, two hold the frame and pass through the connecting rod rigid coupling, it has the torsional spring to hold the cover on the bull stick of frame, the both ends of torsional spring respectively with adjacent frame and the mounting bracket rigid coupling that hold, two equal rigid couplings in upper portion left side that hold the frame have the stopper, the dog is all installed to the right flank of two mounting brackets, the dog is located the bull stick upside of mounting bracket, the leading wheel is installed through the connecting frame rotary type to the downside of the bed of lying, the leading wheel is located the right side that holds the frame, two rigid couplings on holding the connecting rod of frame have the stay cord, the left portion rigid coupling of leading wheel and running-board is walked around to the stay cord.

Preferably, the four sliding blocks are arranged inside the two sliding blocks in a sliding mode, sliding grooves are formed in the left portion and the right portion of the two sliding blocks, the four sliding blocks are located in the sliding grooves in the adjacent sliding blocks in a sliding mode respectively, the four sliding blocks are matched with the adjacent sliding rods in a contact mode respectively, and a plurality of friction plates are installed on the back side faces of the four sliding blocks.

Preferably, the back side of the plurality of friction plates is higher than the opposite side for increasing the friction force of the upward movement of the slide block.

Preferably, still including the driving piece, the driving piece is equipped with two, the upper end at two mounting brackets is installed respectively to two driving pieces, the rigid coupling has the condition of sending out on the output shaft of driving piece, and clockwork and adjacent mounting bracket rigid coupling, the stay cord is installed to the output of driving piece, the lower extreme of stay cord and the side rigid coupling on adjacent sliding block, the rectangular channel has been seted up at the support frame rear portion on right side, install the pedal through the bull stick rotary type in the support frame rectangular channel on right side, the downside of pedal and the support frame rectangular channel bottom rigid coupling on right side have the spring, the support frame rectangular channel bottom of right-hand member is equipped with contact switch, contact switch is located the inboard of spring, contact switch is connected with two driving piece electricity.

The invention has the following advantages: according to the invention, through the anti-falling mechanism, the bent part of the elastic part is matched with the anti-falling block, so that when the hand is suddenly in an powerless state, the bent part is instantly restored to an arc state, and when the barbell disc drives the bent part to move downwards to be matched with the clamping groove of the anti-falling block, the barbell disc is limited, the purpose of protecting a user is achieved, and the injury to the user caused by the barbell disc sliding is avoided; the right part of the pedal plate swings downwards to enable the containing frame to swing rightwards through the fixing rope, the torsion spring on the containing frame is screwed to store force, the containing frame swings rightwards to open the limit of the up-and-down movement of the sliding rod, and the containing frame is prevented from limiting the sliding rod in the process of the up-and-down movement of the sliding rod; the contact area between the friction plate and the mounting frame is increased, so that the friction force of the upward movement of the sliding block is increased, and the purpose of increasing the exercise intensity is achieved; utilize the driver work to provide helping hand to condition of launching and stay cord rolling, the stay cord rolling provides the sliding block rebound.

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 view of a second partial body structure according to the present invention.

Fig. 4 is a partially enlarged perspective view of the present invention.

Fig. 5 is a schematic perspective view of the fall-prevention mechanism of the present invention.

Fig. 6 is a schematic perspective view of a part of the fall-prevention mechanism of the present invention.

Fig. 7 is a schematic perspective view of the elastic member of the present invention.

FIG. 8 is a schematic perspective view of the anti-fall block of the present invention.

Fig. 9 is a perspective view of a third embodiment of the present invention.

Number designation in the figures: 1-lying bed, 2-support frame, 3-mounting frame, 4-sliding block, 5-sliding rod, 6-thread bushing, 7-fixing rod, 8-mounting plate, 9-containing rod, 10-anti-falling mechanism, 101-elastic piece, 1011-fixing part, 1012-bending part, 102-wedge block, 103-wedge swinging frame, 104-rectangular frame, 105-anti-falling block, 106-clamping groove, 11-pedal plate, 12-containing frame, 121-limiting block, 122-stopping block, 13-guide wheel, 131-fixing rope, 14-moving block, 15-friction plate, 16-driving piece, 17-clockwork spring piece, 18-pull rope and 19-pedal.

Detailed Description

The following further describes the technical solution with reference to specific embodiments, and it should be noted that: the words upper, lower, left, right, and the like used herein to indicate orientation are merely for the location of the illustrated structure in the corresponding figures. The serial numbers of the parts are themselves numbered herein, for example: first, second, etc. are used solely to distinguish one from another as to objects described herein, and do not have any sequential or technical meaning. The application states that: the connection and coupling, unless otherwise indicated, include both direct and indirect connections (couplings).

Example 1

A body-building apparatus with emergency braking and personnel safety protection functions is disclosed, as shown in figures 1-8, comprising a lying bed 1, two bilaterally symmetrical support frames 2 are installed on the lower side surface of the lying bed 1 through bolts, rectangular through holes are arranged in the front parts of the right support frames 2, mounting frames 3 are respectively arranged on the front and the rear sides of the lying bed 1, a rectangular sliding block 4 is respectively arranged on each mounting frame 3 in a sliding manner, a sliding rod 5 is respectively arranged on each sliding block 4 in a sliding manner, the end parts of the two sliding rods 5 are both conical tables, the outer ends of the two sliding rods 5 are both provided with spline blocks, the spline blocks of the two sliding rods are respectively connected with the adjacent sliding blocks in a sliding manner to prevent the sliding rods 5 from rotating, threaded sleeves 6 are connected inside the two sliding rods 5 through threads, the thread directions of the front and the rear parts of the threaded sleeves 6 are opposite, the threaded sleeves 6 rotate to enable the two sliding rods 5 to be far away from or close together, the outer side surfaces of the two sliding blocks 4 are respectively provided with a fixed rod 7, each fixed rod 7 is connected with a mounting plate 8, the lower part of the mounting plate 8 is provided with a chute, the chute of the mounting plate 8 is internally provided with a containing rod 9 for mounting barbell plates in a sliding way, each containing rod 9 is fixedly connected with a connecting block in an annular structure, each containing rod 9 is in threaded connection with a fixing piece, through the cooperation of connecting block and mounting, realize the spacing fixed to the barbell piece, the lateral surface of two mounting panels 8 all is provided with prevents falling mechanism 10, two sets of mechanisms 10 of preventing falling respectively with adjacent holding pole 9 contact cooperation, prevent falling mechanism 10 and be used for preventing the barbell from falling fast and to its spacing fixed, along with holding the weight change of barbell piece on the pole 9, prevent falling mechanism 10 fit inside and change the position cooperation relation of part, make and prevent falling mechanism 10 and can not take place too big change volume under the weight drive of difference.

The anti-falling mechanism 10 comprises an elastic part 101, the elastic part 101 is arranged in front of a fixed rod 7, the elastic part 101 is made of alloy spring steel, the elastic part 101 is used for rapidly rebounding and matching with an anti-falling block 105 to provide supporting force, the elastic part 101 is divided into a fixed part 1011 and a bent part 1012, the fixed part 1011 is connected with the adjacent fixed rod 7, the lower side of the fixed part 1011 is connected with the bent part 1012, the thickness of the bent part 1012 is gradually thinned from the middle part to two sides to prevent breakage during bending, a wedge block 102 is arranged at the lower part of each containing rod 9, a groove in a semicircular structure is formed in the upper part of the wedge block 102, the groove of the wedge block 102 is in sealing fit with the containing rod 9, the front side surface of the mounting plate 8 is rotatably connected with two wedge-shaped swing frames 103 through a rotating rod, the two wedge-shaped swing frames 103 are axially symmetrical with the containing rod 9, and the wedge block 102 is respectively in contact fit with the two wedge-shaped swing frames 103, rectangle frame 104 is all installed on the upper portion of every wedge swing span 103, kink 1012 about two parts pass adjacent rectangle frame 104 respectively and rather than sliding connection, it prevents weighing down piece 105 all to install a plurality of about two walls in the mounting bracket 3, the piece 105 lower part is the inclined plane in opposite directions to prevent weighing down for two subtend, draw-in groove 106 has all been seted up to every side of going up of preventing weighing down piece 105, two kink 1012 fall down piece 105 spacing cooperation with adjacent respectively, carry on spacing fixed to the barbell piece, reach the safe purpose of protection user, when avoiding the arm weak, the barbell piece drives 5 quick landing of slide bar and injures the user.

When in use, a user firstly takes down the fixing part on the containing rod 9, the user exchanges the barbell disc, after the barbell disc is exchanged, the user resets the fixing part, the limiting and fixing of the barbell disc are realized through the matching of the fixing part and the connecting block, after the barbell disc is placed on the containing rod 9, the containing rod 9 slides downwards along the chute of the mounting plate 8 under the action of the gravity of the barbell disc, the containing rod 9 moves downwards to drive the extrusion wedge block 102 to move downwards, the wedge block 102 moves downwards to push the lower part of the adjacent wedge-shaped swing frame 103 to be far away, the upper part of the wedge-shaped swing frame 103 draws close to the wedge block 102, the contact position of the wedge 102 with the bending part 1012 is changed through the rectangular frame 104, so that the larger the weight of the barbell disc is, the contact position of the rectangular frame 104 with the bending part 1012 is closer to the center, and the gravity change along with the barbell disc is realized, but the variation amount of the two end parts of the bending part 1012 is not too large, then the user lies on the lying bed 1, and makes two hands respectively hold the adjacent sliding rods 5, then the user pushes the sliding rods 5 upwards through the arms, the sliding rods 5 move upwards to make the sliding blocks 4 and the fixing rods 7 move upwards, the fixing rods 7 move upwards to drive the components on the fixing rods to move upwards, so that the elastic parts 101 move upwards, the bending part 1012 does not cooperate with the anti-falling blocks 105 in the process of moving upwards, after the sliding rods 5 move upwards to a proper height, the user makes the pushing force of the two hands on the sliding rods 5 reduce, at this time, the sliding rods 5 move downwards under the action of the weight of the barbell pieces, the bending part 1012 does not cooperate with the anti-falling blocks 105 in the process of moving downwards, the user continuously repeats the above actions to realize the exercise of the arms and the pectoral muscles, when the exercise is completed, the user resets the slide lever 5, and then the user leaves the lying bed 1.

When promoting slide bar 5 and upwards or removing downwards, can give elastic component 101 an ascending power this moment, and under the action of gravity of barbell piece, make elastic component 101's kink 1012 take place deformation, so when kink 1012 upwards or removes downwards, kink 1012 both ends can not contact with prevent weighing down piece 105, when the arm is unable to break away from slide bar 5, the ascending thrust of slide bar 5 this moment disappears, kink 1012 resets fast under elastic effect this moment, can cooperate with the draw-in groove 106 of preventing weighing down piece 105 when kink 1012 removes downwards, realize the spacing fixed to the barbell piece, reach the purpose of protection user's safety, when avoiding the arm is unable, the injury is caused to the user to the barbell piece landing.

Example 2

On the basis of embodiment 1, as shown in fig. 2, 3 and 9, the barbell bar comprises a pedal 11, the pedal 11 is rotatably installed in a rectangular through hole of a right support frame 2 through a rotating shaft, a spring is fixedly connected with the lower side surface of the pedal 11 and the bottom of the rectangular through hole of the right support frame 2, a containing frame 12 for bearing the weight of barbell disc is rotatably installed on the lower portion of the inner side surface of each of two mounting frames 3 through a rotating rod, the two containing frames 12 are fixedly connected through a connecting rod, a torsion spring is sleeved on the rotating rod of the containing frame 12, two ends of the torsion spring are respectively fixedly connected with the adjacent containing frame 12 and the mounting frame 3, a limiting block 121 is welded on the left side of the upper portion of each of the two containing frames 12, an upward arc-shaped protrusion is arranged on the left upper portion of each containing frame 12, the middle portion of the arc-shaped protrusion of each containing frame 12 is recessed downward to form a notched circle, the notched circle for containing a slide rod 5, a stopper 122 is welded on the right side surface of each of the two mounting frames 3, dog 122 is located the bull stick upside of mounting bracket 3, and leading wheel 13 is installed through the link rotary type to the downside of the bed of lying 1, and leading wheel 13 is located the right side that holds frame 12, and the rigid coupling has stay cord 18 on two connecting rods that hold frame 12, and stay cord 18 bypasses the left part rigid coupling of leading wheel 13 and running-board 11, and the left part upswing of running-board 11 makes the connecting rod that holds on the frame 12 swing right through fixed rope 131, so relieve the spacing that reciprocates slide bar 5.

When the multifunctional lying bed is used, a user repeats the operations, then the user lies on the lying bed 1, and makes two hands respectively hold the adjacent sliding rods 5, then the user pushes the sliding rods 5 upwards through the arms to do pectoral muscle and arm exercises, meanwhile, the right foot of the user makes the right part of the pedal 11 step downwards, the spring on the pedal 11 compresses, the left part of the pedal 11 swings upwards through the guide wheel 13, the left part of the pedal 11 swings upwards through the fixing rope 131 to swing the connecting rod on the containing frame 12 rightwards, so that the containing frame 12 swings rightwards, the torsion spring on the containing frame 12 screws to store force, the containing frame 12 swings rightwards to open the limit of the up-and-down movement of the sliding rods 5, meanwhile, the limit block 121 is matched with the adjacent block 122 to complete the limit of the rightward swinging of the containing frame 12, and the user continuously pushes the sliding rods 5 to complete the exercises on the arms, when no longer taking exercise, the user's right foot loosens running board 11 this moment, and running board 11 swings under the spring action on it and resets, holds frame 12 and swings under the torsional spring action on it and resets, and the user places sliding block 4 on holding frame 12 afterwards, and then the user can from lying bed 1 from top to bottom.

Example 3

On the basis of embodiment 2, as shown in fig. 4, the sliding block device further includes four moving blocks 14, the four moving blocks 14 are respectively slidably disposed inside the two sliding blocks 4, sliding grooves are respectively formed in the left and right portions of the two sliding blocks 4, the four moving blocks 14 are respectively slidably disposed in the sliding grooves of the adjacent sliding blocks 4, the four sliding blocks 4 are respectively in contact fit with the adjacent sliding rods 5, at least two friction plates 15 are respectively welded to the back sides of the four sliding blocks 4, and the back sides of the plurality of friction plates 15 are higher than the opposite sides, so as to increase the friction force of the upward movement of the sliding blocks 4.

When the resistance that upwards promotes slide bar 5 needs to be increased, the user rotates threaded sleeve 6 clockwise, and threaded sleeve 6 clockwise rotates and makes two slide bar 5 keep away from mutually, and two slide bar 5 keep away from mutually and can extrude adjacent movable block 14 respectively, and the contact pressure of friction plate 15 on the movable block 14 and mounting bracket 3 increases, realizes increasing the frictional force of slider 4 rebound, for the user upwards promotes slide bar 5 and provides more resistance, reaches the purpose of more careful regulation exercise intensity.

Example 4

On the basis of the embodiment 3, as shown in fig. 1, 3 and 9, two driving members 16 are further included, two driving members 16 are provided, the two driving members 16 are respectively installed at the upper ends of the two mounting frames 3, the driving members 16 adopt a speed reduction motor, an output shaft of the driving members 16 is fixedly connected with hair pieces 17 and pull ropes 18, the two hair pieces 17 are located at the outer sides of the two pull ropes 18, and clockwork spring 17 and adjacent mounting bracket 3 rigid coupling, the side rigid coupling on the lower extreme of stay cord 18 and adjacent sliding block 4, the rectangular channel has been seted up at the support frame 2 rear portion on right side, step board 19 is installed through the bull stick rotary type in the support frame 2 rectangular channel on right side, the downside of step board 19 and the 2 rectangular channel of support frame on right side bottom rigid couplings have the spring, the 2 rectangular channel of support frame of right-hand member bottom is equipped with contact switch and it is connected with two driving pieces 16 electricity, contact switch is located the inboard of spring.

Along with the increase of the exercise time, the strength of the arm is gradually reduced, at the moment, when external force is needed to assist in arm exercise, the left foot of a user enables the pedal 19 to swing downwards, the spring on the pedal 19 is compressed along with the pedal 19, when the pedal 19 swings downwards and contacts with the contact switch, the contact switch starts the driving part 16 along with the pedal, the driving part 16 works to roll up and pull the rope 18 according to the condition 17, the pull rope 18 rolls up to provide assistance for the upward movement of the sliding block 4, when the left foot is far away from the pedal 19, the pedal 19 resets under the action of the spring on the pedal, the pedal 19 is far away from the contact switch along with the contact switch, the driving part 16 is closed along with the pedal, the pull rope 18 is prevented from being scattered through the action of the condition 17, and the pull rope 18 is prevented from influencing the movement of the sliding block 4 in the subsequent use process.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. A body-building apparatus with emergency braking and personnel safety protection functions comprises a lying bed (1), two support frames (2) are installed on the lower side surface of the lying bed (1), a rectangular through hole is formed in the front portion of the support frame (2) on the right side, mounting frames (3) are arranged on the front side and the rear side of the lying bed (1), a sliding block (4) is arranged on each mounting frame (3) in a sliding mode, a sliding rod (5) is arranged on each sliding block (4) in a sliding mode, threaded sleeves (6) are connected inside the two sliding rods (5) through threads, fixing rods (7) are installed on the outer side surfaces of the two sliding blocks (4), a mounting plate (8) is connected onto each fixing rod (7), a sliding groove is formed in the lower portion of the mounting plate (8), a containing rod (9) is arranged in the sliding groove of the mounting plate (8) in a sliding mode, a connecting block is arranged on each containing rod (9), and a fixing piece is connected onto each containing rod (9) through a thread, the method is characterized in that: still including preventing mechanism (10) of falling, it is equipped with two sets ofly to prevent mechanism (10) of falling, install the lateral surface at two mounting panels (8) respectively two sets of mechanisms of falling (10), two prevent mechanism (10) of falling respectively with adjacent holding pole (9) contact cooperation, prevent mechanism (10) of falling and be used for preventing the barbell from falling fast and to its spacing fixed, along with holding the weight change of barbell piece on pole (9), prevent mechanism (10) of falling position cooperation relation that changes the part, make mechanism (10) of falling can not take place too big change volume under the weight drive of difference.

2. An exercise apparatus having an emergency braking personnel safety function, according to claim 1, wherein: the tip of two slide bars (5) is the toper platform, and the outer end of two slide bars (5) all is equipped with the spline piece, the spline piece of two slide bars (5) respectively with adjacent sliding block (4) sliding connection for prevent slide bar (5) and rotate.

3. An exercise apparatus having an emergency braking personnel safety function, according to claim 1, wherein: the anti-falling mechanism (10) comprises an elastic part (101), the elastic part (101) is arranged in the front of the fixed rod (7), a wedge block (102) is arranged on the lower portion of each containing rod (9), a groove is formed in the upper portion of the wedge block (102), the groove of the wedge block (102) is in sealing fit with the containing rod (9), the front side surface of the mounting plate (8) is rotatably connected with two wedge-shaped swing frames (103) through a rotating rod, the wedge block (102) is respectively in contact fit with the two wedge-shaped swing frames (103), a rectangular frame (104) is arranged on the upper portion of each wedge-shaped swing frame (103), the left portion and the right portion of the elastic part (101) respectively penetrate through the adjacent rectangular frames (104) and are in sliding connection with the adjacent rectangular frames, a plurality of anti-falling blocks (105) are arranged on the left wall and the right wall in the mounting frame (3), the opposite lower portions of the two anti-falling blocks (105) are inclined planes, a clamping groove (106) is formed in the upper side surface of each anti-falling block (105), the two elastic pieces (101) are respectively in limit fit with the adjacent anti-falling blocks (105).

4. An exercise apparatus having an emergency braking personnel safety function, according to claim 3, wherein: the two wedge-shaped swing frames (103) are symmetrical by the axis of the containing rod (9).

5. An exercise apparatus having an emergency braking personnel safety function, according to claim 3, wherein: the elastic piece (101) is made of alloy spring steel, so that the elastic piece can be conveniently and quickly rebounded to cooperate with the anti-falling block (105) to provide supporting force.

6. An exercise apparatus having an emergency braking personnel safety function, according to claim 3, wherein: the elastic piece (101) is divided into a fixing part (1011) and a bending part (1012), the fixing part (1011) is connected with an adjacent fixing rod (7), the bending part (1012) is connected to the lower side of the fixing part (1011), and the thickness of the bending part (1012) is gradually reduced from the middle part to two sides and is used for preventing breakage during bending.

7. An exercise apparatus having an emergency braking personnel safety function, according to claim 3, wherein: the utility model also comprises a pedal (11), the pedal (11) is rotatably installed in the rectangular through hole of the right side support frame (2) through a rotating shaft, the lower side of the pedal (11) and the rectangular through hole of the right side support frame (2) are fixedly connected with a spring at the bottom, the lower parts of the inner sides of the two mounting frames (3) are respectively provided with a containing frame (12) through a rotating rod in a rotating way, the two containing frames (12) are fixedly connected with a connecting rod, the rotating rod of the containing frame (12) is sleeved with a torsional spring, the two ends of the torsional spring are respectively fixedly connected with the adjacent containing frames (12) and the mounting frames (3), the left sides of the upper parts of the two containing frames (12) are respectively fixedly connected with a limiting block (121), the right sides of the two mounting frames (3) are respectively provided with a stop block (122), the stop block (122) is positioned at the upper side of the rotating rod of the mounting frame (3), a guide wheel (13) is installed at the lower side of the lying bed (1) through a rotating way, the guide wheel (13) is positioned at the right side of the containing frame (12), the connecting rods of the two containing frames (12) are fixedly connected with pull ropes (18), and the pull ropes (18) are fixedly connected with the left part of the pedal (11) by bypassing the guide wheels (13).

8. An exercise apparatus having an emergency braking personnel safety function, according to claim 7, wherein: the four-sliding-block-type sliding mechanism is characterized by further comprising four moving blocks (14), wherein the four moving blocks (14) are arranged inside the two sliding blocks (4) in a sliding mode, sliding grooves are formed in the left portion and the right portion of the two sliding blocks (4), the four moving blocks (14) are located in the sliding grooves in the adjacent sliding blocks (4) in a sliding mode respectively, the four sliding blocks (4) are matched with the adjacent sliding rods (5) in a contact mode respectively, and a plurality of friction plates (15) are installed on the back side faces of the four sliding blocks (4).

9. An exercise apparatus having an emergency braking personnel safety function, according to claim 8, wherein: the back side of the plurality of friction plates (15) is higher than the opposite side, and is used for increasing the friction force of the upward movement of the sliding block (4).

10. An exercise apparatus having an emergency braking personnel safety function, according to claim 8, wherein: the device also comprises two driving parts (16), the two driving parts (16) are respectively arranged at the upper ends of the two mounting frames (3), an output shaft of the driving part (16) is fixedly connected with a hair-catching member (17), and clockwork spring spare (17) and adjacent mounting bracket (3) rigid coupling, stay cord (18) are installed to the output of driving piece (16), side rigid coupling is gone up with adjacent sliding block (4) to the lower extreme of stay cord (18), the rectangular channel has been seted up at support frame (2) rear portion on right side, pedal (19) are installed through the bull stick rotary type in support frame (2) rectangular channel on right side, the downside of pedal (19) and support frame (2) rectangular channel bottom rigid coupling on right side have the spring, the support frame (2) rectangular channel bottom of right-hand member is equipped with contact switch, contact switch is located the inboard of spring, contact switch is connected with two driving piece (16) electricity.