CN112044025A - Space walker - Google Patents

Abstract

The invention discloses a space walker, which comprises a bracket, wherein two sides of the bracket are respectively provided with a supporting rod, the lower end of each supporting rod is provided with a pedal, and the space walker is characterized in that: an adjusting device is arranged between the pedal and the support rod; the adjusting device comprises a rotating disc which is rotatably arranged at the lower end of a supporting rod, a movable through hole is formed in the rotating disc, a moving rod which is located in the movable through hole is fixedly arranged at the lower end of a pedal, telescopic assemblies are respectively arranged on two sides of the moving rod, a working space which is communicated with the movable through hole is formed in the supporting rod, a spline is fixedly arranged at the bottom of the working space, and a spline groove which is matched with the spline is formed in the lower end of the moving rod.

Description

Space walker

Technical Field

The invention belongs to the field of fitness, and particularly relates to a space walker.

Background

The space walker is a common sports apparatus, can enhance the cardio-pulmonary function and the muscle strength of the lower limbs and the waist, improve the flexibility and the coordination capability of the lower limbs, improve the stability of each joint of the lower limbs, and has the rehabilitation effect on lumbar muscle strain, hip joint ache, lower limb movement disorder, muscle weakness, muscle atrophy and the like, but the existing space walker can only exercise in a posture with two feet in parallel, so that partial muscles of the legs cannot be exercised.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the space walker which can adjust the angle freely according to the actual situation to train two feet at different angles so as to exercise different muscles of legs.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a machine is strolled to space, includes the support, the both sides of support are provided with a branch respectively, the lower extreme of branch is provided with a running-board, its characterized in that: an adjusting device is arranged between the pedal and the support rod; the adjusting device comprises a rotating disc which is rotatably arranged at the lower end of a supporting rod, a movable through hole is formed in the rotating disc, a moving rod which is located in the movable through hole is fixedly arranged at the lower end of a pedal, telescopic assemblies are respectively arranged on two sides of the moving rod, a working space which is communicated with the movable through hole is formed in the supporting rod, a spline is fixedly arranged at the bottom of the working space, and a spline groove which is matched with the spline is formed in the lower end of the moving rod.

The telescopic assembly comprises a groove arranged on the end face of one end, close to the pedal, of the rotating disc, a telescopic rod is fixedly arranged at the lower end of the pedal, and a telescopic spring used for enabling the telescopic rod to reset is fixedly connected between the bottom of the groove and the telescopic rod.

Use this product as needs, can be according to the angle of the rotatory running-board of own needs, after adjusting required rotation angle, put the foot on the running-board, the running-board moves down under the effect of gravity, and the running-board drives the downstream, and the spline inslot that lets the spline get into realizes spacing the running-board and can't rotate again to can let the user carry out the lower limb training on this rotation angle always.

Each support rod is provided with a clamping device; the clamping device comprises a fixed cylindrical block fixedly arranged on one side surface of the support close to the supporting rod, a plurality of clamping components arranged along the circumferential direction are arranged on the end surface of one end, close to the supporting rod, of the fixed cylindrical block, and a plurality of clamping and stopping components arranged along the circumferential direction are arranged on the end surface of one end, close to the fixed cylindrical block, of the supporting rod; every screens subassembly is including setting up the first round hole groove on the one end terminal surface that is close to branch at fixed cylinder piece, be provided with buffer part and spacing part in the first round hole inslot respectively, when the card stopped the subassembly and contacts with the screens subassembly, branch will stall.

The clamping and stopping assembly comprises a second round hole groove formed in the end face, close to the supporting rod, of the fixed cylindrical block, an inserting rod capable of sliding in a reciprocating mode is arranged in the second round hole groove, and an extrusion spring enabling the inserting rod to be separated from the bottom of the second round hole groove is fixedly connected between the inserting rod and the bottom of the second round hole groove.

The buffer part comprises a first arc-shaped plate which is arranged in a first circular hole groove in a reciprocating manner, first buffer parts are arranged on two sides of the first arc-shaped plate respectively, a second buffer part is arranged in the middle of the first arc-shaped plate, a second arc-shaped plate which is arranged in the first circular hole groove in a reciprocating manner, third buffer parts are arranged on two sides of the second arc-shaped plate respectively, a fourth buffer part is arranged in the middle of the second arc-shaped plate, and the first arc-shaped plate and the second arc-shaped plate are located on two opposite sides in the first circular hole groove respectively; the first buffer part comprises a third circular hole groove arranged on the inner wall of the first circular hole groove, a first moving rod capable of moving in a reciprocating mode is arranged in the third circular hole groove, and a first compression spring for separating the first moving rod from the bottom of the third circular hole groove is fixedly connected between the bottom of the third circular hole groove and the first moving rod; the second bolster is including setting up the fourth round hole groove on first round hole inslot wall, but fourth round hole inslot is provided with a reciprocating seal removal's second and moves the pole, fourth round hole tank bottom and second move and link firmly between the pole and let the second move pole and fourth round hole tank bottom detached second compression spring, the intercommunication is provided with first connecting groove on the lateral wall of fourth round hole groove, the lateral wall that the one end that fourth round hole groove lateral wall was kept away from to first connecting groove passes first round hole groove, the one end that first connecting groove passed first round hole groove lateral wall is provided with a reciprocating sliding's first briquetting, the one end terminal surface that first briquetting is close to first round hole groove lateral wall and the notch sealing contact that first connecting groove is close to first round hole groove lateral wall, first connecting groove is kept away from on one side lateral wall of first briquetting and is fixed to be provided with first stroke pipe, the one end that first briquetting is close to stroke pipe is fixed to be provided with a first stroke pipe that can be in first intraductal stroke reciprocating motion The stroke rod, link firmly a first reset spring used for letting the first stroke rod reset between the inside bottom of said stroke rod and stroke tube, the side of the said second moves the pole and fixes and has a first compression bar, the end far away from the side of the second moves the pole of the said first compression bar is just to the first briquetting, the said third bolster includes setting up the fifth round hole trough on the inner wall of the first round hole trough, there is a third that can reciprocate in the said fifth round hole trough, link firmly a third compression spring that lets the third move pole separate from bottom of the fifth round hole trough between bottom of the said fifth round hole trough and third move the pole; the fourth buffer part comprises a sixth round hole groove arranged on the inner wall of the first round hole groove, a fourth moving rod capable of moving in a reciprocating sealing manner is arranged in the sixth round hole groove, a fourth compression spring for separating the fourth moving rod from the bottom of the sixth round hole groove is fixedly connected between the bottom of the sixth round hole groove and the fourth moving rod, a second communicating groove is arranged on the side wall of the sixth round hole groove in a communicating manner, one end, away from the side wall of the sixth round hole groove, of the second communicating groove penetrates through the side wall of the first round hole groove, a second pressing block capable of sliding in a reciprocating manner is arranged at one end, penetrating through the side wall of the first round hole groove, of the second communicating groove, a second pressing block capable of sliding in a reciprocating manner is arranged at one end, close to the side wall of the first round hole groove, of the second pressing block is in sealing contact with the groove opening, close to the side wall of the first round hole groove, of the second communicating groove, and one side wall, away from the second pressing block, of the second communicating groove is fixedly provided with a second stroke pipe, the fixed second stroke pole that can be at the intraductal reciprocating motion of second stroke that is provided with of one end that the second briquetting is close to the second stroke pipe, link firmly a second reset spring who is used for letting the second stroke pole reset between the inside bottom of second stroke pole and second stroke pipe, the fourth side of moving the pole is fixed and is provided with the second depression bar, the second depression bar is kept away from the fourth one end of moving the pole side and just to the second briquetting, communicates respectively between every third round hole groove and the sixth round hole groove and is provided with first gas tank, communicates respectively between every fifth round hole groove and the fourth round hole groove and is provided with the second gas tank.

When some skin-adjusting children push the supporting rod to rotate by hands, the supporting rod is clamped in the first circular hole groove by the inserting rod, so that the supporting rod cannot be rotated, and the supporting rod can be prevented from being rotated repeatedly under the action of inertia after being rotated by hands to injure people beside the supporting rod.

The first arc-shaped plate can be prevented from being subjected to resistance and being incapable of being attached to the inserted rod through the arrangement of the second pressing block and the second pressing rod, and the first arc-shaped plate can be prevented from being subjected to resistance and being incapable of being attached to the inserted rod through the arrangement of the first pressing block and the first pressing rod, so that the inserted rod is prevented from being inclined easily and being incapable of being smoothly inserted into or pulled out of the first circular hole groove when only one side of the inserted rod is stressed through simultaneously stressing two sides of the inserted rod each time; the setting through second compression spring also can reduce the impact force when inserted bar collides with first arc, and the setting through fourth compression spring also can reduce the impact force when inserted bar collides with the second arc to play the guard action to the inserted bar.

The limiting part comprises an air cavity which is communicated with one end of the first round hole groove far away from the supporting rod, a reciprocating rod capable of moving in a reciprocating sealing mode is arranged in the air cavity, a push block is fixedly arranged at one end, close to the supporting rod, of the reciprocating rod, a first communicating cavity is arranged in the fixed cylindrical block, a second communicating cavity communicated with the working space is arranged in the supporting rod, one end of the first communicating cavity is connected with the second communicating cavity through a flexible pipe, the other end of the first communicating cavity is communicated with each air cavity, a sliding block capable of moving in a reciprocating sealing mode is arranged in the working space, the side face, close to the moving rod, of one side face of the sliding block is an inclined face, and the side face of the lower end of the moving rod is set to be a conical.

In summary, the invention has the following advantages: this product simple structure can let two feet train the different muscles of shank with the angle of difference according to actual conditions angle of adjustment at will.

Drawings

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

Fig. 2 is a top view of the present invention.

Fig. 3 is a sectional view taken at a-a in fig. 2.

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

Fig. 5 is an enlarged view of fig. 4 at C.

Fig. 6 is a cross-sectional view taken at D-D in fig. 4.

Fig. 7 is a sectional view taken at E-E in fig. 4.

Fig. 8 is an enlarged view of fig. 6 at F.

Fig. 9 is an enlarged view of fig. 8 at G.

Fig. 10 is an enlarged view of fig. 3 at H.

Fig. 11 is an enlarged view at I in fig. 8.

In the figure, a bracket 1, a support rod 2, a pedal 3, a rotating disc 4, a moving rod 84, a spline 5, a spline groove 6, a telescopic rod 50, a telescopic spring 51, a fixed cylindrical block 100, a first circular hole groove 699, an insert rod 150, an extrusion spring 151, a first arc-shaped plate 200, a second arc-shaped plate 400, a first moving rod 201, a first compression spring 501, a second moving rod 204, a second compression spring 205, a first stroke pipe 555, a first stroke rod 556, a first return spring 557, a first pressure rod 207, a third moving rod 401, a third compression spring 402, a fourth moving rod 404, a fourth compression spring 405, a second pressure block 406, a second stroke pipe 655, a second stroke rod 656, a second return spring 657, a second pressure rod 407, a first air groove 410, a second air groove 411, an air cavity 301, a reciprocating rod 300, a push block 302, a first communicating cavity 600, a second communicating cavity 601 and a flexible pipe 602.

Detailed Description

As shown in fig. 1-11, a spacewalk machine comprises a support 1, two sides of the support 1 are respectively provided with a support rod 2, the lower end of the support rod 2 is provided with a pedal 3, and the spacewalk machine is characterized in that: an adjusting device is arranged between the pedal 3 and the supporting rod 2; the adjusting device comprises a rotating disc 4 rotatably arranged at the lower end of a support rod 2, a movable through hole is formed in the rotating disc 4, a moving rod 84 located in the movable through hole is fixedly arranged at the lower end of a pedal 3, telescopic assemblies are respectively arranged on two sides of the moving rod 84, a working space communicated with the movable through hole is formed in the support rod 2, a spline 5 is fixedly arranged at the bottom of the working space, and a spline groove 6 matched with the spline 5 is formed in the lower end of the moving rod 84.

The telescopic assembly comprises a groove arranged on the end face of one end, close to the pedal plate 3, of the rotating disc 4, a telescopic rod 50 is fixedly arranged at the lower end of the pedal plate 3, and a telescopic spring 51 used for enabling the telescopic rod 50 to reset is fixedly connected between the bottom of the groove and the telescopic rod 50.

Use this product as needs, can be according to the angle of the rotatory running-board 3 of own needs, after adjusting required rotation angle, put the foot on running-board 3, running-board 3 moves down under the effect of gravity, and running-board 3 drives 84 downstream, and the spline inslot that lets spline get into 84 realizes spacing letting running-board 3 can't rotate again to can let the user carry out the lower limb training on this rotation angle always.

Each support rod 2 is provided with a clamping device; the clamping device comprises a fixed cylindrical block 100 fixedly arranged on the side surface of one side, close to the support rod 2, of the support 1, a plurality of clamping components arranged along the circumferential direction are arranged on the end surface of one end, close to the support rod 2, of the fixed cylindrical block 100, and a plurality of clamping and stopping components arranged along the circumferential direction are arranged on the end surface of one end, close to the fixed cylindrical block 100, of the support rod 2; each clamping component comprises a first circular hole groove 699 arranged on the end face, close to the support rod 2, of the fixed cylindrical block 100, a buffering part and a limiting part are arranged in the first circular hole groove 699 respectively, and when the clamping component is in contact with the clamping component, the support rod 2 stops rotating.

The clamping and stopping assembly comprises a second round hole groove formed in the end face, close to the supporting rod 2, of the fixed cylindrical block 100, an inserting rod 150 capable of sliding in a reciprocating mode is arranged in the second round hole groove, and an extrusion spring 151 enabling the inserting rod to be separated from the bottom of the second round hole groove is fixedly connected between the inserting rod and the bottom of the second round hole groove.

The buffer part comprises a first arc-shaped plate 200 which is arranged in a first circular hole groove 699 in a reciprocating manner, first buffer parts are respectively arranged on two sides of the first arc-shaped plate 200, a second buffer part is arranged in the middle of the first arc-shaped plate 200, a second arc-shaped plate 400 which is arranged in the first circular hole groove 699 in a reciprocating manner, third buffer parts are respectively arranged on two sides of the second arc-shaped plate 400, a fourth buffer part is arranged in the middle of the second arc-shaped plate 400, and the first arc-shaped plate 200 and the second arc-shaped plate 400 are respectively positioned on two opposite sides in the first circular hole groove 699; the first buffer part comprises a third circular hole groove arranged on the inner wall of the first circular hole groove 699, a first moving rod 201 capable of moving back and forth is arranged in the third circular hole groove, and a first compression spring 501 for separating the first moving rod 201 from the bottom of the third circular hole groove is fixedly connected between the bottom of the third circular hole groove and the first moving rod 201; the second buffer part comprises a fourth round hole groove arranged on the inner wall of the first round hole groove 699, a second moving rod 204 capable of reciprocating and sealing to move is arranged in the fourth round hole groove, a second compression spring 205 which enables the second moving rod 204 to be separated from the bottom of the fourth round hole groove is fixedly connected between the bottom of the fourth round hole groove and the second moving rod 204, a first connecting groove is communicated and arranged on the side wall of the fourth round hole groove, one end, far away from the side wall of the fourth round hole groove, of the first connecting groove penetrates through the side wall of the first round hole groove 699, a first pressing block 206 capable of reciprocating and sliding is arranged at one end, penetrating through the side wall of the first round hole groove 699, of the first pressing block 206, one end face, close to the side wall of the first round hole groove 699, is in sealing contact with a notch, close to the side wall of the first round hole groove 699, of the first connecting groove, a first stroke pipe 555 is fixedly arranged on the side wall, far away from the first pressing block 206, a first stroke rod 556 capable of reciprocating in the first stroke pipe 555 is fixedly arranged at one end, close to the stroke pipe 555, of the first pressing block 206, a first return spring 557 for returning the first stroke rod 556 is fixedly connected between the first stroke rod 556 and the bottom end inside the stroke pipe 555, a first pressing rod 207 is fixedly arranged on the side surface of the second moving rod 204, one end, far away from the side surface of the second moving rod 204, of the first pressing rod 207 is opposite to the first pressing block 206, the third buffering member comprises a fifth circular hole groove arranged on the inner wall of the first circular hole groove 699, a third moving rod 401 capable of reciprocating is arranged in the fifth circular hole groove, and a third compression spring 402 for separating the third moving rod 401 from the bottom of the fifth circular hole groove is fixedly connected between the bottom of the fifth circular hole groove and the third moving rod 401; the fourth buffer member comprises a sixth circular hole groove arranged on the inner wall of the first circular hole groove 699, a fourth moving rod 404 capable of moving in a reciprocating sealing manner is arranged in the sixth circular hole groove, a fourth compression spring 405 capable of separating the fourth moving rod 404 from the bottom of the sixth circular hole groove is fixedly connected between the bottom of the sixth circular hole groove and the fourth moving rod 404, a second communicating groove is communicated with the side wall of the sixth circular hole groove, one end, far away from the side wall of the sixth circular hole groove, of the second communicating groove penetrates through the side wall of the first circular hole groove 699, a second pressing block 406 capable of sliding in a reciprocating manner is arranged at one end, penetrating through the side wall of the sixth circular hole groove, of the second communicating groove, a second pressing block capable of sliding in a reciprocating manner is arranged at one end face, close to the side wall of the first circular hole groove 699, of the second pressing block 406 is in sealing contact with a notch, close to the side wall of the first circular hole groove 699, of the second communicating groove 406, a second stroke pipe 655 is fixedly arranged on the side wall of one side of the second communicating groove far away from the second pressing block 406, a second stroke rod 656 capable of reciprocating in the second stroke pipe 655 is fixedly arranged at one end of the second pressing block 406 close to the second stroke pipe 655, a second reset spring 657 for resetting the second stroke rod 656 is fixedly connected between the second stroke rod 656 and the bottom end inside the second stroke pipe 655, a second pressure lever 407 is fixedly arranged on the side surface of the fourth moving rod 404, one end of the second pressure lever 407 far away from the side surface of the fourth moving rod 404 is just opposite to the second pressing block 406, a first air groove 410 is respectively communicated between each third circular hole groove and each sixth circular hole groove, and a second air groove 411 is respectively communicated between each fifth circular hole groove and each fourth circular hole groove.

When some skin-conditioning children push the supporting rod to rotate by hands, the supporting rod is clamped by the inserting rod 150 in the first circular hole groove 699, so that the supporting rod cannot be rotated, and the situation that the supporting rod rotates repeatedly under the action of inertia after being rotated by hands to injure people beside the supporting rod can be avoided.

The distance between the first arc-shaped plate and the second arc-shaped plate is 0.5cm larger than the diameter of the inserting rod 150, so that the inserting rod 150 can be conveniently and smoothly inserted into the first circular hole groove to avoid the inserting rod 150 from being clamped in the first circular hole groove to cause equipment to break down, the failure rate can be reduced, and the maintenance cost can be reduced; when a child shakes the supporting rod to make the inserting rod 150 collide with the first arc plate in the first circular hole groove, the first arc plate can drive the two first moving rods 201 to move towards the inside of the third circular hole groove, because the third circular hole groove is communicated with the sixth circular hole groove through the first air groove 410, the space of the third circular hole groove is reduced, air pressure is increased, the fourth moving rod 404 in the sixth circular hole groove can be pushed to move, the fourth moving rod 404 can drive the second arc plate 400 to be close to the inserting rod, so that the air can be surrounded through the first arc plate and the second arc plate, meanwhile, the first pressure rod 207 can push the first pressing block 206 to be separated from the notch of the first connecting groove, so that the first connecting groove leaks air, because the fourth circular hole groove is communicated with the fifth circular hole groove through the second air groove 411, so that the inside of the fifth circular hole groove also leaks air, so that the air pressure in the fifth circular hole groove is equal to the atmospheric pressure, thereby preventing the outside atmosphere in the fifth circular hole groove from blocking the atmospheric pressure from being lower than the outside atmosphere when the fourth moving rod 404 drives the second arc plate to move The triple shift rod 401 and the second arc plate move.

When a child shakes the supporting rod to make the inserting rod 150 collide with the second arc plate in the first circular hole groove, the first arc plate can drive the two third moving rods 401 to move towards the inside of the fifth circular hole groove, because the fifth circular hole groove is communicated with the fourth circular hole groove through the second air groove 411, the space of the fifth circular hole groove is reduced, air pressure is increased, the second moving rod 204 in the fourth circular hole groove can be pushed to move, the second moving rod 204 can drive the first arc plate 200 to be close to the inserting rod, so that the inserting rod can be surrounded through the first arc plate and the second arc plate, meanwhile, the second pressing block 406 can push the second pressing rod 407 to be separated from the notch of the second communicating groove, the first communicating groove is leaked with air, because the third circular hole groove is communicated with the sixth circular hole groove through the first air groove 410, the third circular hole groove is also leaked with air, the air pressure in the third circular hole groove is equal to the atmospheric pressure, and the atmospheric pressure in the third circular hole groove is lower than the atmospheric pressure to block when the second arc plate 204 drives the second arc plate to move, so that the atmospheric pressure in the third circular hole groove is lower than the atmospheric pressure The first moving rod 201 and the first arc-shaped plate move, the first arc-shaped plate can be prevented from being subjected to resistance and being incapable of being attached to the inserted rod through the arrangement of the second pressing block 406 and the second pressing rod 407, the first arc-shaped plate can be prevented from being subjected to resistance and being incapable of being attached to the inserted rod through the arrangement of the first pressing block 206 and the first pressing rod 207, and therefore the situation that the inserted rod is prone to being inclined and incapable of being smoothly inserted into or pulled out of the first circular hole groove when only one side of the inserted rod is stressed can be avoided through enabling two sides of the inserted rod to be simultaneously stressed every time; the impact force generated when the inserted link collides with the first arc-shaped plate can be reduced through the arrangement of the second compression spring 205, and the impact force generated when the inserted link collides with the second arc-shaped plate can be reduced through the arrangement of the fourth compression spring 405, so that the inserted link is protected; the two third circular hole grooves are communicated with the sixth circular hole groove, so that the second arc-shaped plate can move twice as far as the first arc-shaped plate when the first arc-shaped plate moves, and the second arc-shaped plate can be attached to one side of the inserting rod when the inserting rod impacts the first arc-shaped plate; through being linked together two fifth circular hole grooves and a fourth circular hole groove and can let first arc remove twice distance when the second arc removes to can let first arc can laminate with one side of inserted bar when the inserted bar striking second arc.

The limiting part comprises an air cavity 301 which is communicated with one end of a first round hole groove 699 far away from a support rod 2, a reciprocating rod 300 capable of moving in a reciprocating sealing mode is arranged in the air cavity, a push block 302 is fixedly arranged at one end, close to the support rod 2, of the reciprocating rod 300, a first communicating cavity 600 is arranged in the fixed cylindrical block 100, a second communicating cavity 601 communicated with a working space is arranged in the support rod 2, one end of the first communicating cavity 600 is connected with the second communicating cavity 601 through a flexible pipe 602, the other end of the first communicating cavity 600 is communicated with each air cavity 301, a sliding block 700 capable of moving in a reciprocating sealing mode is arranged in the working space, the side face, close to the moving rod 84, of one side face of the sliding block 700 is an inclined face, and the side face of the lower end of the moving rod 84 is set to be a conical.

The working principle is as follows: when some skin-adjusting children push the supporting rod to rotate by hands, because the inserting rod 150 is positioned in the first circular hole groove 699 to clamp the supporting rod and make the supporting rod incapable of being rotated, when the product needs to be used, the angle of the pedal plate 3 can be rotated according to the needs of the children, when the required rotating angle is adjusted, feet are put on the pedal plate 3, the pedal plate 3 moves downwards under the action of gravity, the pedal plate 3 drives the moving rod 84 to move downwards, the spline enters the spline groove of the moving rod 84 to realize the limiting and make the pedal plate 3 incapable of rotating again, meanwhile, the moving rod 84 pushes the fixed cylindrical block 100 to move towards one end far away from the moving rod 84, the space in the space where the first communicating cavity 600, the flexible pipe 602, the second communicating cavity 601 and the working space are communicated reduces the increase of air pressure, the increased air pressure can push the push block 302 to move towards the inserting rod 150, and push the inserting rod 150 out of the first circular hole groove to make the supporting rod, thereby enabling the operator to exercise.

Claims (6)

1. The utility model provides a space walker, includes support (1), the both sides of support (1) are provided with a branch (2) respectively, the lower extreme of branch (2) is provided with a running-board (3), its characterized in that: an adjusting device is arranged between the pedal (3) and the support rod (2); the adjusting device comprises a rotating disc (4) rotatably arranged at the lower end of a supporting rod (2), a movable through hole is formed in the rotating disc (4), a moving rod (84) located in the movable through hole is fixedly arranged at the lower end of a pedal (3), telescopic assemblies are respectively arranged on two sides of the moving rod (84), a working space communicated with the movable through hole is formed in the supporting rod (2), a spline (5) is fixedly arranged at the bottom of the working space, and a spline groove (6) matched with the spline (5) is formed in the lower end of the moving rod (84).

2. A space walker according to claim 1 wherein: the telescopic assembly comprises a groove arranged on the end face of one end, close to the pedal (3), of the rotating disc (4), a telescopic rod (50) is fixedly arranged at the lower end of the pedal (3), and a telescopic spring (51) used for enabling the telescopic rod (50) to reset is fixedly connected between the bottom of the groove and the telescopic rod (50).

3. A space walker according to claim 2 wherein: each support rod (2) is provided with a clamping device; the clamping device comprises a fixed cylindrical block (100) fixedly arranged on one side surface of the support (1) close to the support rod (2), a plurality of clamping components arranged along the circumferential direction are arranged on the end surface of one end, close to the support rod (2), of the fixed cylindrical block (100), and a plurality of clamping components arranged along the circumferential direction are arranged on the end surface of one end, close to the fixed cylindrical block (100), of the support rod (2); each clamping component comprises a first circular hole groove (699) formed in one end face, close to the supporting rod (2), of the fixed cylindrical block (100), a buffering part and a limiting part are arranged in the first circular hole groove (699) respectively, and when the clamping component is in contact with the clamping component, the supporting rod (2) stops rotating.

4. A space walker according to claim 1 wherein: the clamping stop assembly comprises a second round hole groove formed in the end face, close to the supporting rod (2), of the fixed cylindrical block (100), an inserting rod (150) capable of sliding in a reciprocating mode is arranged in the second round hole groove, and an extrusion spring (151) enabling the inserting rod to be separated from the bottom of the second round hole groove is fixedly connected between the inserting rod and the bottom of the second round hole groove.

5. A space walker according to claim 4 wherein: the buffer part comprises a first arc-shaped plate (200) which is arranged in a first circular hole groove (699) in a reciprocating manner, first buffer parts are respectively arranged on two sides of the first arc-shaped plate (200), a second buffer part is arranged in the middle of the first arc-shaped plate (200), a second arc-shaped plate (400) which is arranged in the first circular hole groove (699) in a reciprocating manner, third buffer parts are respectively arranged on two sides of the second arc-shaped plate (400), a fourth buffer part is arranged in the middle of the second arc-shaped plate (400), and the first arc-shaped plate (200) and the second arc-shaped plate (400) are respectively positioned on two opposite sides in the first circular hole groove (699); the first buffer part comprises a third round hole groove arranged on the inner wall of the first round hole groove (699), a first moving rod (201) capable of moving in a reciprocating mode is arranged in the third round hole groove, and a first compression spring (501) for separating the first moving rod (201) from the bottom of the third round hole groove is fixedly connected between the bottom of the third round hole groove and the first moving rod (201); the second buffer part comprises a fourth round hole groove arranged on the inner wall of the first round hole groove (699), a second moving rod (204) capable of moving in a reciprocating sealing manner is arranged in the fourth round hole groove, a first connecting groove is formed in the side wall of the fourth round hole groove in a communicated manner, one end, far away from the side wall of the fourth round hole groove, of the first connecting groove penetrates through the side wall of the first round hole groove (699), a first pressing block (206) capable of sliding in a reciprocating manner is arranged at one end, far away from the side wall of the first round hole groove (699), of the first connecting groove, one end face, close to the side wall of the first round hole groove (699) and the notch, close to the side wall of the first round hole groove (699), of the first connecting groove are in sealing contact, and a first stroke pipe (206) is fixedly arranged on the side wall, far away from the first pressing block (206), of the first stroke pipe (699) 555) One end of the first pressing block (206) close to the stroke pipe (555) is fixedly provided with a first stroke rod (556) which can reciprocate in the first stroke pipe (555), a first return spring (557) for returning the first stroke rod (556) is fixedly connected between the first stroke rod (556) and the inner bottom end of the stroke pipe (555), a first pressure lever (207) is fixedly arranged on the side surface of the second moving lever (204), one end of the first pressure lever (207) far away from the side surface of the second moving lever (204) is over against the first pressing block (206), the third buffer member includes a fifth circular hole groove provided on an inner wall of the first circular hole groove (699), a third moving rod (401) capable of moving in a reciprocating mode is arranged in the fifth round hole groove, and a third compression spring (402) for separating the third moving rod (401) from the bottom of the fifth round hole groove is fixedly connected between the bottom of the fifth round hole groove and the third moving rod (401); the fourth buffer part comprises a sixth circular hole groove arranged on the inner wall of the first circular hole groove (699), a fourth moving rod (404) capable of moving in a reciprocating sealing mode is arranged in the sixth circular hole groove, a fourth compression spring (405) capable of moving the rod (404) and the sixth circular hole groove bottom part separately is fixedly connected between the bottom of the sixth circular hole groove and the fourth moving rod (404), a second communicating groove is formed in the side wall of the sixth circular hole groove in a communicating mode, one end, far away from the sixth circular hole groove side wall, of the second communicating groove penetrates through the side wall of the first circular hole groove (699), a second pressing block (406) capable of sliding in a reciprocating mode is arranged at one end, penetrating through the sixth circular hole groove side wall, of the second communicating groove, one end face, close to the side wall of the first circular hole groove (699) and a sealing pressing block (406) arranged at the opening of the second circular hole groove (699), and one end face, close to the side wall of the first circular hole groove (699), of the second pressing block (406) is close to the sealing side wall of the first circular hole groove ( A second stroke pipe (655) is fixedly arranged on the side wall of one side of the second communicating groove far away from the second pressing block (406), one end of the second pressing block (406) close to the second stroke pipe (655) is fixedly provided with a second stroke rod (656) which can reciprocate in the second stroke pipe (655), a second return spring (657) for returning the second stroke rod (656) is fixedly connected between the second stroke rod (656) and the inner bottom end of the second stroke pipe (655), a second pressure lever (407) is fixedly arranged on the side surface of the fourth moving lever (404), one end, far away from the side face of the fourth moving rod (404), of the second pressing rod (407) is opposite to the second pressing block (406), a first air groove (410) is respectively communicated between each third circular hole groove and the sixth circular hole groove, and a second air groove (411) is respectively communicated between each fifth circular hole groove and the fourth circular hole groove.

6. A space walker according to claim 3 wherein: the limiting part comprises an air cavity (301) communicated with one end of a first round hole groove (699) far away from a support rod (2), a reciprocating rod (300) capable of moving in a reciprocating sealing mode is arranged in the air cavity (301), one end, close to the support rod (2), of the reciprocating rod (300) is fixedly provided with a push block (302), a first communicating cavity (600) is arranged in a fixed cylindrical block (100), a second communicating cavity (601) communicated with a working space is arranged in the support rod (2), one end of the first communicating cavity (600) is connected with the second communicating cavity (601) through a flexible pipe (602), the other end of the first communicating cavity (600) is communicated with each air cavity (301), a sliding block (700) capable of moving in a reciprocating sealing mode is arranged in the working space, and the side face, close to the moving rod (84), of the sliding block (700) is an inclined face, the side surface of the lower end of the moving rod (84) is set to be a conical surface.

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