CN112535836A - Protective device for sports equipment - Google Patents

Protective device for sports equipment Download PDF

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Publication number
CN112535836A
CN112535836A CN202011340406.6A CN202011340406A CN112535836A CN 112535836 A CN112535836 A CN 112535836A CN 202011340406 A CN202011340406 A CN 202011340406A CN 112535836 A CN112535836 A CN 112535836A
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CN
China
Prior art keywords
guide
pair
connecting rod
protection
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011340406.6A
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Chinese (zh)
Inventor
李炎
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Wenzhou University
Original Assignee
Wenzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wenzhou University filed Critical Wenzhou University
Priority to CN202011340406.6A priority Critical patent/CN112535836A/en
Publication of CN112535836A publication Critical patent/CN112535836A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06User-manipulated weights
    • A63B21/078Devices for bench press exercises, e.g. supports, guiding means
    • A63B21/0783Safety features for bar-bells, e.g. drop limiting means
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06User-manipulated weights
    • A63B21/062User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces
    • A63B21/0626User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means
    • A63B21/0628User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means for vertical array of weights

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

The invention discloses a protective device for sports equipment, which comprises a bottom plate, wherein a pair of protective devices, a bed body, a pair of horizontal pushing devices and a pair of electric push rods are arranged on the top of the bottom plate, the protective device comprises a pair of first guide posts, first sliding sleeves are arranged on the pair of first guide posts in a sliding manner, a protective rod is connected between the pair of first sliding sleeves, a connecting piece is arranged on the electric push rod, a lifting rod is connected on the pair of connecting pieces together, the horizontal pushing device comprises a second guide post, a second sliding sleeve is arranged on the second guide post in a sliding manner, the lifting rod is connected between the two second sliding sleeves, a first guide wheel is arranged on the outer side of each second sliding sleeve, a pull rope is wound on each first guide wheel, the other end of the pull rope is connected with a chassis, a counterweight is placed on the chassis, a protective box is arranged on the left side of the bottom plate, the invention is convenient to use and has higher safety and reliability.

Description

Protective device for sports equipment
Technical Field
The invention relates to sports equipment, in particular to a protective device for the sports equipment.
Background
Sport equipment is the student etc. is used for carrying out the device that physical training took, not only can teach sports knowledge and skill to the student through sport equipment, can also strengthen student's health quality, consequently receives liking of student deeply, and current sport equipment does not have protector, in case student's misuse will cause danger.
Therefore, the research and design of the protection device of the sports equipment are urgently needed.
Disclosure of Invention
In view of the above, the present invention provides a protection device for sports equipment to solve the above technical problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a protection device for sports equipment comprises a bottom plate, wherein a pair of protection devices, a bed body, a pair of horizontal pushing devices and a pair of electric push rods are arranged on the bottom plate, the bed body is positioned between the pair of protection devices, the protection devices comprise a pair of first guide pillars which are arranged at intervals along the left-right direction, first sliding sleeves are arranged on the pair of first guide pillars in a sliding mode, a protection rod is connected between the pair of first sliding sleeves, the electric push rods are arranged on one side of the corresponding horizontal pushing devices, a connecting piece is arranged on the electric push rods, a lifting rod is connected on the pair of connecting pieces together, the height of the lifting rod is higher than that of the protection rod, the horizontal pushing devices comprise second guide pillars, second sliding sleeves are arranged on the second guide pillars in a sliding mode, the lifting rod is connected between the two second sliding sleeves, and first guide wheels are arranged on the outer sides of the second sliding sleeves, the winding has the stay cord on the first guide pulley, the one end of stay cord is walked around corresponding first guide pulley and rigid coupling and is in on the bottom plate, the other end of stay cord is connected with the chassis, placed the counterweight on the chassis, a pair of chassis sets up along front and back direction interval, the left side of bottom plate is equipped with the guard box, be equipped with buffer in the guard box.
Further, buffer includes the box, the box sets up the bottom of protective housing, the higher authority of box slides and is equipped with the head rod, the upper end of head rod is equipped with places the board, the bottom of box is equipped with the second connecting rod, the head rod with the second connecting rod corresponds from top to bottom, the second connecting rod with be connected with third compression spring between the head rod, be equipped with the extension spring between a pair of curb plate.
Furthermore, the left side wall and the right side wall of the box body are respectively provided with a second guide rod, the second guide rods are provided with side plates in a sliding mode, the side plates are hinged to third connecting rods and fourth connecting rods, the upper ends of the third connecting rods are hinged to the first connecting rods, and the lower ends of the fourth connecting rods are hinged to the second connecting rods.
Furthermore, a first compression spring and a fixed sleeve are further arranged on the first guide pillar, and the first compression spring is abutted between the first sliding sleeve and the fixed sleeve.
Furthermore, a fourth compression spring is sleeved on the corresponding second guide rod and abuts against and is held between the side wall of the box body and the corresponding side plate.
Furthermore, a plurality of first guide rods are arranged at the bottom of the placing plate, second compression springs are sleeved on the first guide rods, the lower ends of the first guide rods penetrate through the top of the box body and extend downwards, and the second compression springs are abutted between the box body and the placing plate.
Furthermore, an upper guide rod is arranged at the bottom of the first connecting rod, a lower guide rod is arranged at the top of the second connecting rod, and the third compression spring is connected between the upper guide rod and the lower guide rod.
Furthermore, the bench press device also comprises a second guide wheel and a third guide wheel, the second guide wheel is arranged on the bottom plate, the third guide wheel is arranged at the top of the protective box, and the other end of the pull rope sequentially penetrates through the second guide wheel and the third guide wheel and is connected with the chassis.
Furthermore, a support plate 76 is sleeved on the periphery of the second connecting rod 74, a pair of sliding grooves 761 are formed in the support plate 76, a sliding block 764 is slidably arranged in the corresponding sliding groove 761, a third guide rod 762 is connected to one side of the sliding block 764, a fifth compression spring 763 is sleeved on the third guide rod 762, a pressing rod 765 is hinged to the upper end of the sliding block 764, and the upper end of the pressing rod 765 is hinged to the fourth connecting rod 754 on the corresponding side.
Furthermore, the bottom of protective housing is equipped with the base, the preceding pair of door that is equipped with of protective housing, be equipped with the hand (hold) on the door, the higher authority of bottom plate is equipped with the riser, the protective housing setting is in one side of riser, the bottom of bottom plate is equipped with a pair of slipmat.
The technical scheme can show that the invention has the advantages that:
1. the protection device is arranged in the invention, so that the lifting rod can be prevented from falling down when the bench press device is used, and the use safety can be improved.
2. The invention is also provided with a buffer device, which can prevent the too large impact force of the chassis falling when the lifting rod falls and can provide buffer action when the pull rope is broken.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of a portion of the structure of the present invention.
Fig. 3 is a schematic structural diagram of a buffering device of the present invention.
Fig. 4 is a front view of the protective case of the present invention.
List of reference numerals: the bed comprises a bottom plate 1, a non-slip mat 11, a vertical plate 12, a bed body 2, a support leg 21, a protection device 3, a first guide pillar 31, a first compression spring 32, a first sliding sleeve 33, a protection rod 34, a fixing sleeve 35, a horizontal pushing device 4, a second guide pillar 41, a second sliding sleeve 42, a lifting rod 43, a first guide wheel 44, a pull rope 45, a second guide wheel 46, a third guide wheel 47, an electric push rod 5, a connecting piece 51, a protection box 6, a chassis 61, a counterweight 62, a base 63, a door 64, a handle 65, a buffer device 7, a box body 71, a placing plate 72, a first guide rod 721, a second compression spring 722, a first connecting rod 73, a third compression spring 731, an upper guide rod 732, a second connecting rod 74, a lower guide rod 741, a side plate 75, a second guide rod 751, a fourth compression spring 752, a third connecting rod 753, a fourth connecting rod 754, a support plate 76, a sliding chute 76761, a third guide rod 762, a fifth compression spring 3, A tension spring 77.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Referring to fig. 1 to 4, as shown in fig. 1 and 2, a protection device for sports equipment includes a bottom plate 1, a pair of protection devices 3, a bed body 2, a pair of horizontal pushing devices 4 and a pair of electric push rods 5 are disposed on the bottom plate 1, the bed body 2 is disposed between the pair of protection devices 3, a pair of support legs 21 is disposed at the bottom of the bed body 2, the protection devices 3 include a pair of first guide posts 31 spaced in the left-right direction, a pair of first guide posts 31 are slidably disposed with first sliding sleeves 33, a protection rod 34 is connected between the pair of first sliding sleeves 33, the electric push rods 5 are mounted at one side of the corresponding horizontal pushing devices 4, a connecting member 51 is disposed on the electric push rods 5, a lifting rod 43 is commonly connected on the pair of connecting members 51, the lifting rod 43 can be moved upwards by the electric push rods 5, and the electric push rods 5 can be moved downwards slowly after a human body lies on the bed body 2, the lifting rod 43 falls on the protection rod 34, and then normal bench press training can be performed, the lifting rod 43 is higher than the protection rod 34, the bench press device 4 comprises a second guide post 41, a second sliding sleeve 42 is slidably arranged on the second guide post 41, the lifting rod 43 is connected between the two second sliding sleeves 42, a first guide wheel 44 is arranged on the outer side of the second sliding sleeve 42, a pull rope 45 is wound on the first guide wheel 44, one end of the pull rope 45 bypasses the corresponding first guide wheel 44 and is fixedly connected to the bottom plate 1, the other end of the pull rope 45 is connected with a chassis 61, a counterweight 62 is placed on the chassis 61, the weight of the counterweight 62 can be adjusted according to actual conditions, so that people in different conditions can use the bench press training device conveniently, a pair of chassis 61 is arranged at intervals along the front-rear direction, the protection box 6 is arranged on the left side of the bottom plate 1, and a buffer device 7 is arranged in the protective box 6.
As shown in fig. 3, the buffering device 7 includes a box 71, the box 71 is disposed at the bottom of the protection box 6, a first connecting rod 73 is slidably disposed on the box 71, a placing plate 72 is disposed at the upper end of the first connecting rod 73, a second connecting rod 74 is disposed at the bottom of the box 71, the first connecting rod 73 and the second connecting rod 74 vertically correspond to each other, a third compression spring 731 is connected between the second connecting rod 74 and the first connecting rod 73, a tension spring 77 is disposed between a pair of side plates 75, and the tension spring 77 can make the pair of side plates 75 move back more smoothly.
Preferably, the left and right side walls of the box 71 are provided with second guide rods 751, the second guide rods 751 are slidably provided with side plates 75, the side plates 75 are hinged with third connecting rods 753 and fourth connecting rods 754, the upper ends of the third connecting rods 753 are hinged with the first connecting rods 73, and the lower ends of the fourth connecting rods 754 are hinged with the second connecting rods 74.
Preferably, the first guide post 31 is further provided with a first compression spring 32 and a fixing sleeve 35, the first compression spring 32 is abutted between the first sliding sleeve 33 and the fixing sleeve 35, the lifting rod 43 collides with the pair of protection rods 34 when falling, the pair of protection rods 34 can enable the pair of first sliding sleeves 33 to move downwards, and the first compression spring 32 can provide a buffering force when the lifting rod 43 falls.
Preferably, the corresponding second guide bar 751 is sleeved with a fourth compression spring 752, and the fourth compression spring 752 abuts between the side wall of the box 71 and the corresponding side plate 75.
Preferably, a plurality of first guide rods 721 are disposed at the bottom of the placing plate 72, a second compression spring 722 is sleeved on the first guide rods 721, the lower ends of the first guide rods 721 penetrate through the top of the box 71 and extend downward, and the second compression spring 722 is supported between the box 71 and the placing plate 72.
Preferably, an upper guide bar 732 is disposed at the bottom of the first connecting bar 73, a lower guide bar 741 is disposed at the top of the second connecting bar 74, the third compression spring 731 is connected between the upper guide bar 732 and the lower guide bar 741, the chassis 61 impacts the placing plate 72 when falling, the placing plate 72 carries the pair of first guide bars 721 and the first connecting bar 73 to move downwards, the first guide bars 721 press the second compression spring 722 when moving downwards, the first connecting bar 73 moves downwards to compress the third compression spring 731, and the third connecting bar 753 and the fourth connecting bar 754 on the same side approach each other, so as to drive the side plate 75 to slide on the second guide bar 751 and press the fourth compression spring 752, and the buffering effect can be improved by the elastic effects of the second compression spring 722, the third compression spring 731 and the fourth compression spring 752.
Preferably, the bench press 4 still includes second guide pulley 46 and third guide pulley 47, second guide pulley 46 sets up on the bottom plate 1, third guide pulley 47 sets up the top of guard box 6, the other end of stay cord 45 passes in proper order second guide pulley 46 with third guide pulley 47 and with chassis 61 connects, the people lies and reciprocates through hand lifting rod 43 on bed body 2 and tempers arm strength during the use, makes a pair of second sliding sleeve 42 and a pair of first guide pulley 44 shift up through lifting rod 43, can make stay cord 45 pulling chassis 61 and weight 62 move up to reach the effect of tempering, when lifting rod 43 puts down, can reduce the impact force when lifting rod 43 falls through protector 3, buffer 7 can reduce the impact force when chassis 61 falls, thereby makes the exercise safer.
Preferably, a support plate 76 is sleeved on the periphery of the second connecting rod 74, a pair of sliding grooves 761 are formed in the support plate 76, a sliding block 764 is slidably arranged in the corresponding sliding groove 761, a third guide rod 762 is connected to one side of the sliding block 764, a fifth compression spring 763 is sleeved on the third guide rod 762, a pressing rod 765 is hinged to the upper end of the sliding block 764, the upper end of the pressing rod 765 is hinged to the fourth connecting rod 754 on the corresponding side, the fourth connecting rod 754 can drive the pressing rod 765 to move when moving, the pressing rod 765 drives the sliding block 764 to slide in the sliding groove 761, so that the fifth compression spring 763 is compressed, and the buffering effect can be further improved through the elastic action of the fifth compression spring 763.
As shown in fig. 4, a base 63 is arranged at the bottom of the protection box 6, a pair of doors 64 is arranged in front of the protection box 6, a handle 65 is arranged on the doors 64, a vertical plate 12 is arranged on the bottom plate 1, the protection box 6 is arranged on one side of the vertical plate 12, a pair of anti-skid pads 11 are arranged at the bottom of the bottom plate 1, and the anti-skid pads 11 can improve the stability of the bottom plate 1.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The protection device for the sports equipment is characterized by comprising a bottom plate (1), wherein a pair of protection devices (3), a bed body (2), a pair of horizontal pushing devices (4) and a pair of electric push rods (5) are arranged on the bottom plate (1), the bed body (2) is positioned between the pair of protection devices (3), each protection device (3) comprises a pair of first guide columns (31) which are arranged at intervals in the left-right direction, first sliding sleeves (33) are arranged on the pair of first guide columns (31) in a sliding mode, a protection rod (34) is connected between the pair of first sliding sleeves (33), the electric push rods (5) are installed on one sides of the corresponding horizontal pushing devices (4), connecting pieces (51) are arranged on the electric push rods (5), lifting rods (43) are connected on the pair of connecting pieces (51) together, and the height of the lifting rods (43) is higher than that of the protection rods (34), the horizontal pushing device (4) comprises second guide pillars (41), second sliding sleeves (42) are arranged on the second guide pillars (41) in a sliding mode, lifting rods (43) are connected between the two second sliding sleeves (42), first guide wheels (44) are arranged on the outer sides of the second sliding sleeves (42), pull ropes (45) are wound on the first guide wheels (44), one ends of the pull ropes (45) bypass the corresponding first guide wheels (44) and are fixedly connected onto the bottom plate (1), the other ends of the pull ropes (45) are connected with a chassis (61), a pair of chassis (61) is placed on the chassis (61), a protection box (6) is arranged on the left side of the bottom plate (1) at intervals in the front-back direction, and a weight buffer device (7) is arranged in the protection box (6).
2. The protection device for sports equipment according to claim 1, wherein the buffer device (7) comprises a box body (71), the box body (71) is arranged at the bottom of the protection box (6), a first connecting rod (73) is slidably arranged on the upper surface of the box body (71), a placing plate (72) is arranged at the upper end of the first connecting rod (73), a second connecting rod (74) is arranged at the bottom of the box body (71), the first connecting rod (73) and the second connecting rod (74) correspond up and down, a third compression spring (731) is connected between the second connecting rod (74) and the first connecting rod (73), and a tension spring (77) is arranged between a pair of side plates (75).
3. The guard for sports equipment according to claim 2, wherein the box body (71) is provided with a second guide bar (751) on each of the left and right side walls thereof, the second guide bar (751) is provided with a side plate (75) in a sliding manner, the side plate (75) is hinged with a third connecting rod (753) and a fourth connecting rod (754), the upper end of the third connecting rod (753) is hinged with the first connecting rod (73), and the lower end of the fourth connecting rod (754) is hinged with the second connecting rod (74).
4. A guard for sports equipment according to claim 1, characterized in that said first guide post (31) is further provided with a first compression spring (32) and a retaining sleeve (35), said first compression spring (32) being held between said first sliding sleeve (33) and said retaining sleeve (35).
5. A guard for sports equipment, according to claim 3, characterized in that said corresponding second guide bar (751) is sleeved with a fourth compression spring (752), said fourth compression spring (752) being held against between a side wall of said box (71) and said corresponding side plate (75).
6. A guard for sports equipment according to claim 5, characterized in that the bottom of the placing plate (72) is provided with several first guide rods (721), the first guide rods (721) are sleeved with second compression springs (722), the lower ends of the first guide rods (721) pass through the top of the box body (71) and extend downwards, and the second compression springs (722) are supported between the box body (71) and the placing plate (72).
7. A guard for sports equipment according to claim 6, wherein the first connecting rod (73) is provided at its bottom with an upper guide bar (732), the second connecting rod (74) is provided at its top with a lower guide bar (741), and the third compression spring (731) is connected between the upper guide bar (732) and the lower guide bar (741).
8. Guard for sports equipment according to claim 1, characterized by that the said bench press device (4) further comprises a second guide wheel (46) and a third guide wheel (47), the said second guide wheel (46) is set on the said bottom plate (1), the said third guide wheel (47) is set on the top of the said guard box (6), the other end of the said pull rope (45) passes through the said second guide wheel (46) and the said third guide wheel (47) in turn and connects with the said chassis (61).
9. The protection device for sports equipment according to claim 7, wherein a support plate (76) is sleeved on the periphery of the second connecting rod (74), a pair of sliding grooves (761) are formed in the support plate (76), a sliding block (764) is slidably arranged in the corresponding sliding groove (761), a third guide rod (762) is connected to one side of the sliding block (764), a fifth compression spring (763) is sleeved on the third guide rod (762), a pressing rod (765) is hinged to the upper end of the sliding block (764), and the upper end of the pressing rod (765) is hinged to the fourth connecting rod (754) on the corresponding side.
10. The protection device for sports equipment according to claim 1, wherein the bottom of the protection box (6) is provided with a base (63), the front of the protection box (6) is provided with a pair of doors (64), the doors (64) are provided with handles (65), the upper surface of the bottom plate (1) is provided with a vertical plate (12), the protection box (6) is arranged on one side of the vertical plate (12), and the bottom of the bottom plate (1) is provided with a pair of anti-skid pads (11).
CN202011340406.6A 2020-11-25 2020-11-25 Protective device for sports equipment Pending CN112535836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011340406.6A CN112535836A (en) 2020-11-25 2020-11-25 Protective device for sports equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011340406.6A CN112535836A (en) 2020-11-25 2020-11-25 Protective device for sports equipment

Publications (1)

Publication Number Publication Date
CN112535836A true CN112535836A (en) 2021-03-23

Family

ID=75016440

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011340406.6A Pending CN112535836A (en) 2020-11-25 2020-11-25 Protective device for sports equipment

Country Status (1)

Country Link
CN (1) CN112535836A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113058206A (en) * 2021-03-30 2021-07-02 温州职业技术学院 Body training device for model performance

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205924810U (en) * 2016-08-16 2017-02-08 宋金超 Support is used in sports training
CN209933931U (en) * 2019-04-25 2020-01-14 河南大学 Flat-plate horizontal-pushing fitness equipment protection device
CN210078752U (en) * 2019-04-23 2020-02-18 河海大学文天学院 A sports device for arm strength is taken exercise
US10668315B1 (en) * 2016-02-29 2020-06-02 Life Fitness, Llc Energy absorbing weight bar support assemblies for exercise equipment
CN211188936U (en) * 2019-10-30 2020-08-07 郑州莱肯健康管理咨询有限公司 Safety multifunctional horizontal pusher
CN111501511A (en) * 2020-04-20 2020-08-07 田文良 Road surface caking earth breaker for municipal administration

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10668315B1 (en) * 2016-02-29 2020-06-02 Life Fitness, Llc Energy absorbing weight bar support assemblies for exercise equipment
CN205924810U (en) * 2016-08-16 2017-02-08 宋金超 Support is used in sports training
CN210078752U (en) * 2019-04-23 2020-02-18 河海大学文天学院 A sports device for arm strength is taken exercise
CN209933931U (en) * 2019-04-25 2020-01-14 河南大学 Flat-plate horizontal-pushing fitness equipment protection device
CN211188936U (en) * 2019-10-30 2020-08-07 郑州莱肯健康管理咨询有限公司 Safety multifunctional horizontal pusher
CN111501511A (en) * 2020-04-20 2020-08-07 田文良 Road surface caking earth breaker for municipal administration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113058206A (en) * 2021-03-30 2021-07-02 温州职业技术学院 Body training device for model performance

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Application publication date: 20210323

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