CN113101602A - High-tension dorsal muscle trainer for physical education - Google Patents
High-tension dorsal muscle trainer for physical education Download PDFInfo
- Publication number
- CN113101602A CN113101602A CN202110464289.2A CN202110464289A CN113101602A CN 113101602 A CN113101602 A CN 113101602A CN 202110464289 A CN202110464289 A CN 202110464289A CN 113101602 A CN113101602 A CN 113101602A
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- plate
- block
- support
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- pull
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
- A63B23/0233—Muscles of the back, e.g. by an extension of the body against a resistance, reverse crunch
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/062—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces
- A63B21/0626—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means
- A63B21/0628—User-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)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
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- Pulmonology (AREA)
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Abstract
The invention discloses a high-tension dorsal muscle trainer for physical education, which structurally comprises a support, a pull block, a pulling mechanism and a pull rope, wherein the pull block is positioned at the position close to the back of the support, the pulling mechanism is arranged at the top of the front of the support, the pull rope is connected between the pull block and the pulling mechanism, the pull block is made of metal and has larger gravity, when the tension of a student is insufficient, the pull block is quickly reset and mutually collided to generate larger noise, a buffer mechanism is arranged between slide blocks of the pull block, and the slide blocks move through the interaction of the buffer mechanism and an engaging plate, so that the impact force between the slide blocks can be reduced, the noise generated by the quick reset of the pull block is reduced, the normal training of other students is facilitated, when the tension of the student is smaller than the gravity of the pull block, the reset speed of the pull block is high, the reset speed of the pull rope can be limited through the movable matching of a rotating ring, the impact force between the sliding blocks can be reduced again, and the noise is reduced.
Description
Technical Field
The invention belongs to the field of physical education, and particularly relates to a high-tension dorsal muscle trainer for physical education.
Background
In order to enhance the body coordination ability of a student in physical education, a high-tension dorsal muscle trainer is adopted to exercise the back muscles of the student, the student holds a pull rod by hand and lifts the pull position of a pull block by a pull rope, so that the back muscles of the student are exercised; adopt high tension back muscle training ware when taking exercise student's back muscle among the prior art, owing to draw the piece to be the metal material, have great gravity, when student's pulling force is not enough, draw the piece to reset fast and strike each other and produce great noise, easily cause the influence to student on every side, be unfavorable for other students normal training.
Disclosure of Invention
In order to solve the problem that when the high-tension dorsal muscle trainer is used for exercising the back muscles of students in the prior art, the pull blocks are made of metal materials and have high gravity, when the tension of the students is insufficient, the pull blocks are quickly reset and collide with each other to generate high noise, the influence on surrounding students is easily caused, and the normal training of other students is not facilitated, the invention provides the high-tension dorsal muscle trainer for physical education.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a sports teaching is with high tension dorsal muscle training ware, its structure includes the support, draws piece, pulling mechanism, stay cord, it is located the support and is close to back position to draw the piece, pulling mechanism sets up at the positive top position of support, the stay cord is connected and is being drawn between piece and the pulling mechanism.
The pull block comprises a support rod, a slide block, a clamping groove, a buffering mechanism and a connecting plate, the slide block is movably matched with the outer wall of the support rod, the clamping groove is sunken in the upper surface of the slide block, the top end of the buffering mechanism is fixed on the bottom surface of the slide block, and the upper end and the lower end of the connecting plate are respectively connected with the bottom of the buffering mechanism and the bottom of the clamping groove.
As a further improvement of the invention, the buffer mechanism comprises a top plate, two pull strips, telescopic rods and two buffer plates, wherein the top ends of the pull strips are arranged at the inner top of the top plate, the telescopic rods are respectively positioned at two sides of the pull strips, the upper surfaces of the buffer plates are respectively connected with the pull strips and the bottom ends of the telescopic rods, and the number of the pull strips is two.
As a further improvement of the invention, the buffer plate comprises support plates, push bars and contact blocks, the top ends of the push bars are fixed on the bottom surfaces of the support plates, the upper surfaces of the contact blocks are movably matched with the bottom ends of the push bars, the bottom surfaces of the buffer plate are connected with the top ends of the connecting plates, and the contact blocks are positioned between the connecting plates.
As a further improvement of the invention, the connecting plate comprises a plate body, two magnetic blocks and two clamping blocks, wherein the magnetic blocks are respectively embedded on the upper surface and the lower surface of the plate body, the clamping blocks are clamped between the magnetic blocks, the two plate bodies are vertically and symmetrically distributed, and the bottom ends of the connecting plate are connected with the bottom in the clamping grooves.
As a further improvement of the invention, the clamping block comprises a telescopic bar, a supporting plate and magnetic plates, wherein the inner side surface of the supporting plate is connected with the upper end and the lower end of the telescopic bar, the magnetic plates are respectively embedded and fixed on the outer side surface of the supporting plate, and the magnetism of the magnetic plates is opposite to that of the magnetic blocks.
As a further improvement of the invention, the pulling mechanism comprises a supporting block, a side plate, a pull rod and a matching device, wherein the inner side surface of the side plate is fixed on the surfaces of the left side and the right side of the supporting block, the pull rod is respectively arranged on the two sides of the side plate, the left end and the right end of the matching device are fixed on the surface of the inner side of the side plate, the pull rope penetrates through the upper surface and the lower surface of the middle part of the matching device, and the pull rope.
As a further improvement of the invention, the matching device comprises a sleeve ring, an opening, movable cavities, matching rods and rotating rings, wherein the opening vertically penetrates through the upper surface and the lower surface of the middle part of the sleeve ring, the movable cavities are respectively recessed in the two sides of the opening, the outer ends of the matching rods are fixed on the inner wall of the movable cavities, the rotating rings are arranged between the movable cavities and the opening, the rotating rings are movably clamped with the matching rods, and fourteen matching rods are arranged and are distributed in bilateral symmetry.
As a further improvement of the invention, the rotating ring comprises a supporting shaft, a ring body, a matching block and supporting bars, wherein the ring body is sleeved outside the supporting shaft, the inner side surface of the matching block is hinged with the outer side surface of the ring body, the supporting bars are respectively fixed between the left side surface and the right side surface of the matching block and the outer wall of the ring body, and the matching block is respectively movably matched with two same supporting bars.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. because draw the piece to be the metal material, have great gravity, when student's pulling force is not enough, draw the piece to reset fast and strike each other and produce great noise, through being equipped with buffer gear between the slider that draws the piece, and the slider passes through buffer gear and links up the board interact and remove, can reduce the impact between the slider, reduce the noise that draws the piece to reset fast and produce, be favorable to other students to normally train.
2. Because the pulling force of the student is less than the gravity of the pull block, the reset speed of the pull block is high, the reset speed of the pull rope can be limited through the movable fit of the rotating ring and the pull rope in the matching mechanism, the impact force between the sliding blocks can be reduced again, and the noise is reduced.
Drawings
Fig. 1 is a schematic structural view of a high-tension dorsal muscle trainer for physical education.
Fig. 2 is a schematic structural diagram of a pull block in front view and front cross-sectional view.
Fig. 3 is a front sectional structural schematic view of a buffer mechanism according to the present invention.
Fig. 4 is a front view of a buffer board according to the present invention.
Figure 5 is a front view of a connector tile according to the present invention.
Fig. 6 is a front sectional structural schematic view of a clamping block according to the present invention.
Fig. 7 is a front view of a pulling mechanism according to the present invention.
FIG. 8 is a front cross-sectional structural schematic view of an engagement apparatus of the present invention.
FIG. 9 is a front cross-sectional structural schematic view of a rotating ring of the present invention.
In the figure: the device comprises a bracket-1, a pull block-2, a pulling mechanism-3, a pull rope-4, a support rod-21, a slide block-22, a clamping groove-23, a buffer mechanism-24, a connecting plate-25, a top plate-241, a brace-242, a telescopic rod-243, a buffer plate-244, a support plate-44 a, a push bar-44 b, a contact block-44 c, a plate body-251, a magnet block-252, a clamping block-253, a telescopic bar-53 a, a support plate-53 b, a magnet plate-53 c, a support block-31, a side plate-32, a pull rod-33, a matching device-34, a lantern ring-341, an opening-342, a movable cavity-343, a matching rod-344, a rotating ring-345, a support shaft-45 a, a ring body-45 b, A matching block-45 c and a supporting strip-45 d.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 6:
the invention provides a high-tension dorsal muscle trainer for physical education, which structurally comprises a support 1, a pulling block 2, a pulling mechanism 3 and a pulling rope 4, wherein the pulling block 2 is positioned at the position, close to the back, of the support 1, the pulling mechanism 3 is arranged at the top of the front of the support 1, and the pulling rope 4 is connected between the pulling block 2 and the pulling mechanism 3.
The pull block 2 comprises a support rod 21, a slide block 22, a clamping groove 23, a buffering mechanism 24 and a connecting plate 25, the slide block 22 is movably matched with the outer wall of the support rod 21, the clamping groove 23 is sunken on the upper surface of the slide block 22, the top end of the buffering mechanism 24 is fixed on the bottom surface of the slide block 22, and the upper end and the lower end of the connecting plate 25 are respectively connected with the bottom end of the buffering mechanism 24 and the bottom end of the clamping groove 23.
The buffer mechanism 24 comprises a top plate 241, braces 242, an expansion link 243 and a buffer plate 244, the top ends of the braces 242 are mounted at the top of the top plate 241, the expansion links 243 are respectively located on two sides of the braces 242, the upper surface of the buffer plate 244 is respectively connected with the bottom ends of the braces 242 and the expansion link 243, the number of the braces 242 is two, the pulling force of the braces 242 on the buffer plate 244 can be increased, and the sliding block 22 is accelerated to be pulled upwards and moved through the buffer plate 244.
The buffer plate 244 comprises a support plate 44a, a push bar 44b and a contact block 44c, the top end of the push bar 44b is fixed on the bottom surface of the support plate 44a, the upper surface of the contact block 44c is movably matched with the bottom end of the push bar 44b, the bottom surface of the buffer plate 244 is connected with the top end of the connecting plate 25, the contact block 44c is located between the connecting plates 25, and the contact block 44c is in contact with the bottom in the clamping groove 23, so that the buffer plate can buffer the connecting plates 25 to reduce the acting force of the connecting plates 25 and the bottom in the clamping groove 23, and the protection of the connecting plates 25 is facilitated.
The connecting plate 25 comprises a plate body 251, two magnetic blocks 252 and two clamping blocks 253, the magnetic blocks 252 are respectively embedded on the upper surface and the lower surface of the plate body 251, the clamping blocks 253 are clamped between the magnetic blocks 252, the two plate bodies 251 are symmetrically distributed up and down, the bottom end of the connecting plate 25 is connected with the bottom in the clamping groove 23, the sliding blocks 22 are interacted with each other through the connecting plate 25, when the sliding block 22 above the connecting plate 22 moves, the sliding block 22 below the connecting plate 25 can be pulled upwards to move, and a student can conveniently pull the sliding block 22 to move to exercise according to the pulling force of the hand of the student.
The clamping block 253 comprises a telescopic bar 53a, a supporting plate 53b and a magnetic plate 53c, the inner side surface of the supporting plate 53b is connected with the upper end and the lower end of the telescopic bar 53a, the magnetic plate 53c is respectively embedded on the outer side surface of the supporting plate 53b, the magnetism of the magnetic plate 53c is opposite to that of the magnetic block 252, the plate body 251 and the clamping block 253 are favorably contacted with the magnetic block 252 through the magnetic plate 53c, the magnetic plate 53c and the magnetic block 252 are movably matched through magnetic force to generate attraction, and the movable clamping of the connecting plate 25 is favorably realized.
The specific use mode and function of the embodiment are as follows:
in the invention, a student pulls the pulling mechanism 3, the pulling mechanism 3 pulls the uppermost slide block 22 of the pulling block 2 to move through the pulling rope 4, when the uppermost slide block 22 moves upwards along the support rod 21, the top plate 241 of the buffer mechanism 24 of the upper slide block 22 moves along with the movement, the top plate 241 pulls and expands the buffer plate 244 through the pulling strip 242 and the telescopic rod 243, the upper slide block 22 and the lower slide block 22 generate suction through the magnetic movable fit of the magnetic block 252 of the connecting block 25 and the magnetic plate 53c, the upper slide block 22 pulls and moves the lower slide block 22, when the slide block 22 is reset, the bottom of the buffer mechanism 24 is inserted into the clamping groove 23, the buffer plate 244 buffers through the telescopic rod 243 to reduce the impact force between the slide blocks 22, the impact force between the connecting blocks 25 is reduced through the telescopic strip 53a on the inner side of the support plate 53b of the clamping block 253, and the impact force between the connecting blocks 25 is reduced, and the buffer plate, through contact piece 44c and the contact of pushing away strip 44b and draw-in groove 23 interior bottom, can keep linking plate 25 and draw-in groove 23 interior bottom to have certain distance, be favorable to the protection to linking plate 25, reduce the cracked phenomenon that appears in linking plate 25, through being equipped with buffer gear 24 between the slider 22 at drawing block 2, and slider 22 passes through buffer gear 24 and links up the plate 25 interact and remove, can reduce the impact between the slider 22, reduce the noise that draws block 2 to reset the production fast, be favorable to other students to normally train.
Example 2:
as shown in fig. 7 to 9:
the pulling mechanism 3 comprises a supporting block 31, a side plate 32, a pull rod 33 and a matching device 34, wherein the inner side surface of the side plate 32 is fixed on the surfaces of the left side and the right side of the supporting block 31, the pull rod 33 is respectively arranged on the two sides of the side plate 32, the left end and the right end of the matching device 34 are fixed on the inner side surface of the side plate 32, the pull rope 4 penetrates through the upper surface and the lower surface of the middle part of the matching device 34, the pull rope 4 is movably clamped with the matching device 34, the reset speed of the pull rope 4 is limited by the matching device 34, the reset speed of the pull rope 4 is reduced when the hand of a student suddenly leaves the pull rod 33, the impact force.
The matching device 34 comprises a lantern ring 341, an opening 342, a movable cavity 343, a matching rod 344 and a rotating ring 345, wherein the opening 342 vertically penetrates through the upper and lower surfaces of the middle of the lantern ring 341, the movable cavity 343 is respectively recessed inside two sides of the opening 342, the outer end of the matching rod 344 is fixed on the inner wall of the movable cavity 343, the rotating ring 345 is arranged between the movable cavity 343 and the opening 342, the rotating ring 345 is movably clamped with the matching rod 344, the matching rods 344 are totally fourteen and symmetrically distributed in the left-right direction, the matching area between the matching rod 344 and the rotating ring 345 is increased, the supporting force borne by the rotating ring 345 is increased, the rotating ring 345 is favorably kept static, and the pulling rope 4 can be limited by movably clamping the rotating ring 345 and the pulling rope 4.
Wherein, the rotating ring 345 includes back shaft 45a, ring body 45b, cooperation piece 45c, support bar 45d, ring body 45b cover is outside at back shaft 45a, cooperation piece 45c inside surface and ring body 45b outside surface hinged joint, support bar 45d is fixed respectively between cooperation piece 45c left and right sides surface and ring body 45b outer wall, cooperation piece 45c respectively with two the same support bar 45d clearance fits, can increase the holding power of support bar 45d to cooperation piece 45c, further increase cooperation piece 45c to the holding power of cooperation pole 344.
The specific use mode and function of the embodiment are as follows:
in the invention, a student holds the pull rod 33 of the pulling mechanism 3 by hand, pulls the pull rod 33 to move, the pull rod 33 pulls the pull rope 4 to move, the pull rope 4 is movably clamped with the matching device 34 in the side plate 32 when moving, the pull rope 4 moves in the opening 342 of the lantern ring 341, the ring body 45b of the rotating ring 345 is movably matched and rotated with the pull rope 4 by taking the support shaft 45a as a fulcrum, when the pull rope 4 stops moving, the matching block 45c is pushed by the support bar 45d to be a horizontal angle, the matching block 45c is movably clamped with the matching rod 344 in the movable cavity 343 to limit the pull rope 4, the pull block 2 is in a static state, when the pull block 2 needs to be reset, the pull rope 4 is quickly pulled and moved by the pull rod 33, the hand of the student loosens the pull rod 33, the rotating ring 345 rotates, the matching block 45c swings to be continuously movably matched with the matching rod 344, the reverse rotation speed is, the rotating ring 345 in the matching mechanism 34 is movably matched with the pull rope 4, so that the speed of the reset speed of the pull rope 4 can be limited, the impact force between the sliding blocks 22 can be reduced again, and the noise is reduced.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (8)
1. The utility model provides a sports teaching is with high tension dorsal muscle training ware, its structure includes support (1), draws piece (2), pulling mechanism (3), stay cord (4), draw piece (2) to be located support (1) and be close to the back position, pulling mechanism (3) set up at the positive top position of support (1), stay cord (4) are connected and are being drawn between piece (2) and pulling mechanism (3), its characterized in that:
draw piece (2) including bracing piece (21), slider (22), draw-in groove (23), buffer gear (24), link up board (25), slider (22) and bracing piece (21) outer wall clearance fit, draw-in groove (23) are sunken in slider (22) upper surface, buffer gear (24) top is fixed in slider (22) bottom surface, link up board (25) upper and lower end is connected with buffer gear (24) bottom and draw-in groove (23) bottom respectively.
2. The high-tension dorsal muscle trainer for physical education as claimed in claim 1, wherein: buffer gear (24) include roof (241), brace (242), telescopic link (243), buffer board (244), the top is installed at roof (241) top in brace (242), telescopic link (243) are located brace (242) both sides respectively, buffer board (244) upper surface is connected with brace (242) and telescopic link (243) bottom respectively.
3. The high-tension dorsal muscle trainer for physical education as claimed in claim 2, wherein: the buffer plate (244) comprises a support plate (44 a), a pushing strip (44 b) and a contact block (44 c), the top end of the pushing strip (44 b) is fixed on the bottom surface of the support plate (44 a), and the upper surface of the contact block (44 c) is movably matched with the bottom end of the pushing strip (44 b).
4. The high-tension dorsal muscle trainer for physical education as claimed in claim 1, wherein: the connecting plate (25) comprises a plate body (251), magnetic blocks (252) and clamping blocks (253), the magnetic blocks (252) are respectively embedded on the upper surface and the lower surface of the plate body (251), and the clamping blocks (253) are clamped between the magnetic blocks (252).
5. The high-tension dorsal muscle trainer for physical education as claimed in claim 4, wherein: the clamping block (253) comprises a telescopic bar (53 a), a supporting plate (53 b) and a magnetic plate (53 c), the upper end and the lower end of the inner side face of the supporting plate (53 b) are connected with the telescopic bar (53 a), and the magnetic plate (53 c) is embedded on the outer side surface of the supporting plate (53 b) respectively.
6. The high-tension dorsal muscle trainer for physical education as claimed in claim 1, wherein: the pulling mechanism (3) comprises a supporting block (31), a side plate (32), a pull rod (33) and a matching device (34), wherein the inner side surface of the side plate (32) is fixed on the surfaces of the left side and the right side of the supporting block (31), the pull rod (33) is respectively arranged on the two sides of the side plate (32), the left end and the right end of the matching device (34) are fixed on the surface of the inner side of the side plate (32), and the pull rope (4) penetrates through the upper surface and the lower surface of the middle part of the matching device (34.
7. The high-tension dorsal muscle trainer for physical education as claimed in claim 6, wherein: the matching device (34) comprises a lantern ring (341), an opening (342), a movable cavity (343), a matching rod (344) and a rotating ring (345), wherein the opening (342) vertically penetrates through the upper surface and the lower surface of the middle part of the lantern ring (341), the movable cavity (343) is respectively sunken in the two sides of the opening (342), the outer end of the matching rod (344) is fixed on the inner wall of the movable cavity (343), the rotating ring (345) is arranged between the movable cavity (343) and the opening (342), and the rotating ring (345) is movably clamped with the matching rod (344).
8. The high-tension dorsal muscle trainer for sports teaching according to claim 7, wherein: the rotating ring (345) comprises a support shaft (45 a), a ring body (45 b), a matching block (45 c) and a support bar (45 d), the ring body (45 b) is sleeved outside the support shaft (45 a), the inner side surface of the matching block (45 c) is hinged with the outer side surface of the ring body (45 b), and the support bar (45 d) is fixed between the left side surface and the right side surface of the matching block (45 c) and the outer wall of the ring body (45 b) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110464289.2A CN113101602A (en) | 2021-04-28 | 2021-04-28 | High-tension dorsal muscle trainer for physical education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110464289.2A CN113101602A (en) | 2021-04-28 | 2021-04-28 | High-tension dorsal muscle trainer for physical education |
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| Publication Number | Publication Date |
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| CN113101602A true CN113101602A (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110464289.2A Withdrawn CN113101602A (en) | 2021-04-28 | 2021-04-28 | High-tension dorsal muscle trainer for physical education |
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| CN107320901A (en) * | 2017-08-30 | 2017-11-07 | 成都灵感元素科技有限公司 | A kind of counterweight of body-building apparatus adjusting means with damping sound insulationg board |
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| CN209967525U (en) * | 2019-04-11 | 2020-01-21 | 殷培伟 | Postoperative rehabilitation training device for thoracic surgery patient |
| CN111249682A (en) * | 2020-02-14 | 2020-06-09 | 冯杰钦 | Prevent high training machine that draws of pulling injury |
| CN111632338A (en) * | 2020-06-10 | 2020-09-08 | 淮南师范学院 | Physical training device is used in sports teaching |
| CN112245875A (en) * | 2020-11-02 | 2021-01-22 | 磐安创卫健身科技有限公司 | Anti-strain straight arm chest clamping device with semi-automatic counterweight adjustment function |
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2021
- 2021-04-28 CN CN202110464289.2A patent/CN113101602A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6394935B1 (en) * | 1999-09-03 | 2002-05-28 | Intra-Med Industries, Inc. | Therapeutic exercise apparatus |
| US20070275829A1 (en) * | 2006-05-23 | 2007-11-29 | Marpo Kinetics, Inc. | Assisted rope climbing apparatus |
| US20130137553A1 (en) * | 2011-11-24 | 2013-05-30 | P&S Mechanics Co., Ltd. | Walking training apparatus |
| EP2689810A2 (en) * | 2012-07-26 | 2014-01-29 | Joong Chenn Industry Co., Ltd. | Weight trainer with load detection system |
| CN207012475U (en) * | 2017-03-31 | 2018-02-16 | 江西师范大学 | A kind of multifunction sport body-building equipment |
| CN107320901A (en) * | 2017-08-30 | 2017-11-07 | 成都灵感元素科技有限公司 | A kind of counterweight of body-building apparatus adjusting means with damping sound insulationg board |
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| CN109646869A (en) * | 2018-12-20 | 2019-04-19 | 滨州学院 | A kind of intelligent physical health exercise instrument convenient for control operation |
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| CN111632338A (en) * | 2020-06-10 | 2020-09-08 | 淮南师范学院 | Physical training device is used in sports teaching |
| CN112245875A (en) * | 2020-11-02 | 2021-01-22 | 磐安创卫健身科技有限公司 | Anti-strain straight arm chest clamping device with semi-automatic counterweight adjustment function |
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Application publication date: 20210713 |
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