CN219879070U

CN219879070U - Dynamometer under unstable state

Info

Publication number: CN219879070U
Application number: CN202320954348.9U
Authority: CN
Inventors: 王敬茹; 柴建中; 王清; 刘阳; 范丹星
Original assignee: Hebei Institute Of Sports Science Anti Doping Service Center Of Hebei Sports Bureau
Current assignee: Hebei Institute Of Sports Science Anti Doping Service Center Of Hebei Sports Bureau
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-10-24
Anticipated expiration: 2033-04-25

Abstract

The utility model relates to the technical field of training equipment, in particular to a dynamometer in an unstable state. Including the main part, main part sliding connection has the seat, still includes preceding base and back base, be provided with preceding support frame and auxiliary stay frame on the preceding base, be provided with back support frame on the back base, the main part rotates with preceding support frame and back support frame respectively and is connected, be provided with the resistance ware on the auxiliary stay frame, its tip of stay cord on the resistance ware is provided with the pull rod, its both sides of one end that the main part is close to the resistance ware are provided with the footboard, still including the elasticity system that can help rotating the main part and keep initial state. Through which the exerciser of the present utility model can exercise the body side muscle groups.

Description

Dynamometer under unstable state

Technical Field

The utility model relates to the technical field of training equipment, in particular to a dynamometer in an unstable state.

Background

The dynamometer is also called a rowing machine, which is a machine used for simulating the movement of a water racing boat for training purposes. Most main bodies of the main current dynamometers in the market at present are long strips, wind resistance or water resistance resistors are installed at the front ends, fixed pedals are installed at the front positions of the middle parts of the main bodies, guide rails are installed on the long strips, seats with pulleys capable of sliding are installed on the guide rails, pull rods are connected to the tops of the resistors through pull ropes, and fixed supporting structures are arranged at the lower parts of the main bodies. The structure has the advantages of simple structure, firmness and durability, no power consumption equipment and no power supply dependence, but an exerciser can only do forward and backward movements on the trunk and the limbs when exercising with the structure, and the exerciser cannot exercise the body side muscle groups through the structure because the exerciser cannot provide a side core strength exercise effect.

Disclosure of Invention

The utility model aims to solve the technical problems and provides a dynamometer in an unstable state aiming at the technical defects.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a dynamometer under unsteady state, includes the main part, main part sliding connection has the seat, still includes preceding base and back base, be provided with preceding support frame and auxiliary stay frame on the preceding base, be provided with back support frame on the back base, the main part rotates with preceding support frame and back support frame respectively to be connected, be provided with the resistance ware on the auxiliary stay frame, its tip of stay cord on the resistance ware is provided with the pull rod, the main part is close to its both sides of one end of resistance ware and is provided with the footboard, still including the elasticity system that can help the main part to keep initial state.

According to the technical scheme, the elastic system comprises two front elastic ropes, front transverse supporting arms are arranged on two sides of one end, close to the resistor, of the main body, front pulleys are arranged on two sides of the front base, outer pulleys are arranged on two sides of the rear base, a first rotating wheel is rotatably connected to the rear supporting frame, a plurality of first positioning holes penetrating through two sides of the first rotating wheel are formed in the first rotating wheel, the distances from the plurality of first positioning holes to the axis of the first rotating wheel are equal, and a first positioning jack is further formed in the rear supporting frame and can be inserted into the first positioning jack through a certain first positioning hole; one ends of the two front elastic ropes are respectively fixed on the two front transverse supporting arms, and the other ends of the two front elastic ropes are respectively and sequentially wound around a front pulley and an outer pulley which are on the same side with the front transverse supporting arms fixed by the two front elastic ropes and then are fixed on the first rotating wheel.

According to the technical scheme, the elastic system comprises two rear elastic ropes, two sides of one end of the main body, far away from the resistor, are provided with rear transverse supporting arms, two sides of the rear base are provided with inner side pulleys, the rear supporting frame is rotatably connected with a second rotating wheel, the second rotating wheel is provided with a plurality of first positioning holes penetrating through two sides of the second rotating wheel, the distances from the plurality of first positioning holes to the axis of the second rotating wheel are equal, the rear supporting frame is also provided with a second positioning jack, and the first bolt can penetrate through a certain first positioning hole to be inserted into the second positioning jack; one ends of the two rear elastic ropes are respectively fixed on the two rear transverse supporting arms, and the other ends of the two rear elastic ropes are respectively fixed on the second rotating wheel after bypassing the inner side pulleys on the same side as the rear transverse supporting arms fixed by the two rear elastic ropes.

Further optimize this technical scheme, be provided with the fixed jack of second on the back base, the one end that the main part is close to the back base is provided with the link, be provided with the fixed jack of first that runs through its both sides on the link, fixed bolt can pass the fixed jack of first and insert in the fixed jack of second.

Further optimize this technical scheme, one side that the footboard is close to the main part is provided with the limiting plate, be provided with the shaft hole on the limiting plate, be provided with in the main part and support jack and spacing jack, the back shaft passes the shaft hole simultaneously and supports the jack, be provided with a plurality of spacing holes on the limiting plate, the distance that these a plurality of spacing holes to the shaft hole is the same, and spacing bolt can pass certain spacing hole and insert in the spacing jack.

Further optimize this technical scheme, be provided with a plurality of regulation jacks on the footboard, still include the foot rest, the foot rest lower surface is provided with two at least spacing posts, and these two spacing posts can insert respectively simultaneously in two regulation jacks, the one end of foot rest upper surface is provided with the baffle.

Further optimize this technical scheme, this device still includes the second bandage, second bandage one end is fixed in one side of footboard, the other end passes the lantern ring of setting at the footboard opposite side, the upper surface of second bandage is provided with the second and glues fine hair, the tip of second bandage is provided with the second that is used for gluing the second and glues the fine hair and glues the hook.

Further optimize this technical scheme, the both sides of seat all are provided with first bandage, and the outside of one of them first bandage is provided with first viscose fine hair, and the inboard of another first bandage is provided with first viscose hook.

Further optimizing this technical scheme, be provided with first bandage that glues the hook its tip and be provided with the gum cover.

Compared with the prior art, the utility model has the following advantages: 1. while maintaining the advantages of the current main flow dynamometer, the seat can generate unstable swing in the left-right direction while moving forwards and backwards, so as to simulate the left-right swing condition during rowing, passively mobilize the relevant auxiliary muscle groups of the core area of the exerciser, and achieve the effect of exercising the lateral muscle groups; 2. the instability degree of the main body can be controlled by adjusting the tightness of the elastic rope, so that the requirement of the exerciser on instability in different stages of core strength training is met; 3. the fixing bolt can be inserted into the first fixing jack and the second fixing jack to fix the main body, so that left-right swing is not generated any more; 4. the angle of the pedal can be adjusted, so that pedal supports with different angles can be provided according to different flexibility of ankle joints of exercisers.

Drawings

Fig. 1 is a schematic structural diagram of a dynamometer in an unstable state.

Fig. 2 is a schematic structural view of the first rotating wheel.

Fig. 3 is a schematic view of the pedal and the foot rest.

Fig. 4 is a schematic structural view of a second strap.

Fig. 5 is a schematic structural view of the rear supporting frame.

Fig. 6 is a schematic structural view of the connection terminal.

Fig. 7 is a schematic structural view of the first strap.

Fig. 8 is a schematic structural view of the front end of the main body.

In the figure: 1. a main body; 2. a rear transverse support arm; 3. a rear support; 4. a rear base; 5. a front transverse support arm; 6. a front support; 7. a front base; 8. a pull rope supporting frame; 9. an auxiliary supporting frame; 10. a resistor; 11. a seat; 12. a first strap; 13. a pedal; 14. a foot rest; 15. a second strap; 16. a pull rope; 17. a support frame pulley; 18. a pull rod; 19. a sponge sleeve; 20. a front pulley; 21. a front elastic cord; 22. a base supports the feet; 24. A rear elastic rope; 25. an outer pulley; 26. a first rotating wheel; 27. a second rotating wheel; 28. an inner pulley; 29. a rear guide ring; 30. rotating the wheel guide ring; 31. a connection end; 33. A first latch; 34. a handle; 35. a first positioning hole; 36. a first fixed jack; 37. fixing the bolt; 38. a second positioning jack; 39. a first positioning jack; 40. a second fixed jack; 41. a support shaft; 42. a limiting plate; 43. a limit bolt; 44. a limiting hole; 45. adjusting the jack; 46. a limit column; 47. a baffle; 50. Limiting jack; 51. a support jack; 57. A first velvet sticking; 58. a first adhesive hook; 59. a rubber sleeve; 60. a second sticky hook; 61. a second velvet sticking; 62. a collar.

Description of the embodiments

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

The specific embodiment is as follows: referring to fig. 1-8, a dynamometer under an unstable state includes a main body 1, the main body 1 is slidably connected with a seat 11, and further includes a front base 7 and a rear base 4, the bottoms of which can be provided with base supporting feet 22, a front supporting frame 6 and a secondary supporting frame 9 are provided on the front base 7, a rear supporting frame 3 is provided on the rear base 4, the main body 1 is respectively rotatably connected with the front supporting frame 6 and the rear supporting frame 3, a resistor 10 is provided on the secondary supporting frame 9, a pull rod 18 is provided at an end portion of a pull rope 16 on the resistor 10, a sponge sleeve 19 is sleeved on the pull rod 18, a pull rope supporting frame 8 can be provided on the front supporting frame 6, a supporting frame pulley 17 is provided at a top end of the pull rope supporting frame 8, the pull rope 16 bypasses the supporting frame pulley 17, pedals 13 are provided at two sides of one end of the main body 1 near the resistor 10, and an elastic system capable of helping the main body 1 to keep an initial state is further included. The initial state selects a state in which the main body 1 is in when the seat 11 is vertical. Because the elastic system is not a rigid support, when the exercise is performed, the seat can generate unstable swing in the left-right direction while moving forwards and backwards, so that the left-right swing condition during rowing is simulated, the relevant auxiliary muscle groups of the core area of the exerciser are passively mobilized, and the effect of exercising the lateral muscle groups is achieved.

Specifically, the elastic system includes two front elastic ropes 21, two sides of the main body 1 near one end of the resistor 10 are provided with front transverse supporting arms 5, two sides of the front base 7 are provided with front pulleys 20, two sides of the rear base 4 are provided with outer pulleys 25, the rear support frame 3 is rotatably connected with a first rotating wheel 26, the outer side of the first rotating wheel 26 can be provided with a handle 34 convenient for rotating the first rotating wheel 26, the first rotating wheel 26 is provided with a plurality of first positioning holes 35 penetrating through two sides of the first rotating wheel 26, the distances from the plurality of first positioning holes 35 to the axis of the first rotating wheel 26 are equal, the rear support frame 3 is also provided with a first positioning jack 39, and the first plug pin 33 can be inserted into the first positioning jack 39 through a certain first positioning hole 35; one ends of the two front elastic ropes 21 are respectively fixed on the two front transverse supporting arms 5, the other ends of the two front elastic ropes are respectively and sequentially wound around the front pulley 20 and the outer pulley 25 which are on the same side of the front transverse supporting arms 5 and fixed on the first rotating wheel 26, and rotating wheel guide rings 30 can be arranged on two sides of the rear base 4, and the front elastic ropes 21 penetrate through the rotating wheel guide rings 30 so as to bind the front elastic ropes. The first rotating wheel 26 is rotated to adjust the tension of the front elastic cord 21 on the front transverse support arm 5, and after the adjustment is completed, the first bolt 33 is inserted into the first positioning jack 39 through a certain first positioning hole 35 to be fixed.

Preferably, the elastic system further comprises two rear elastic ropes 24, two sides of one end of the main body 1 far away from the resistor 10 are provided with rear transverse supporting arms 2, two sides of the rear base 4 are provided with inner pulleys 28, the rear supporting frame 3 is rotatably connected with a second rotating wheel 27, the second rotating wheel 27 is provided with a plurality of first positioning holes 35 penetrating through two sides of the second rotating wheel 27, the distances from the plurality of first positioning holes 35 to the axis of the second rotating wheel 27 are equal, the rear supporting frame 3 is further provided with a second positioning jack 38, and the first bolt 33 can be inserted into the second positioning jack 38 through a certain first positioning hole 35; one ends of the two rear elastic ropes 24 are respectively fixed on the two rear transverse supporting arms 2, the other ends of the two rear elastic ropes are respectively wound around inner pulleys 28 on the same side of the rear transverse supporting arms 2 fixed by the two rear elastic ropes and then are fixed on the second rotating wheels 27, and rear guide rings 29 can be arranged on two sides of the rear base 4, and the rear elastic ropes 24 pass through the rear guide rings 29 so as to bind the rear elastic ropes.

Preferably, the rear base 4 is provided with a second fixing jack 40, one end of the main body 1 near the rear base 4 is provided with a connecting end 31, the connecting end 31 is provided with a first fixing jack 36 penetrating through two sides of the connecting end, and the fixing bolt 37 can penetrate through the first fixing jack 36 and be inserted into the second fixing jack 40. The fixed bolt 37 is pulled out, and the main body 1 can rotate; the main body 1 cannot be rotated by inserting the fixing pin 37, and can be used as a dynamometer of the prior art.

Preferably, a limiting plate 42 is disposed on one side of the pedal 13 near the main body 1, a shaft hole is disposed on the limiting plate 42, a supporting jack 51 and a limiting jack 50 are disposed on the main body 1, the supporting shaft 41 simultaneously passes through the shaft hole and the supporting jack 51, a plurality of limiting holes 44 are disposed on the limiting plate 42, distances from the plurality of limiting holes 44 to the shaft hole are the same, and the limiting plug 43 can pass through a certain limiting hole 44 and be inserted into the limiting jack 50. This structure enables adjustment of the angle of the pedal 13.

Preferably, the pedal 13 is provided with a plurality of adjusting jacks 45, and further comprises a foot rest 14, at least two limiting posts 46 are arranged on the lower surface of the foot rest 14, the two limiting posts 46 can be simultaneously inserted into the two adjusting jacks 45 respectively, and a baffle 47 is arranged at one end of the upper surface of the foot rest 14. This arrangement allows the position of the foot rest 14 on the pedal 13 to be adjusted.

Preferably, the device further comprises a second binding band 15, one end of the second binding band 15 is fixed on one side of the pedal 13, the other end of the second binding band passes through a collar 62 arranged on the other side of the pedal 13, a second sticky velvet 61 is arranged on the upper surface of the second binding band 15, and a second sticky hook 60 used for sticking the second sticky velvet 61 is arranged at the end of the second binding band 15.

Preferably, the first binding bands 12 are disposed on both sides of the seat 11, wherein the first binding band 57 is disposed on the outer side of one first binding band 12, and the first binding hook 58 is disposed on the inner side of the other first binding band 12.

Preferably, the end of the first binding band 12 provided with the first adhesive hook 58 is provided with a rubber sleeve 59, and the rubber sleeve 59 can be pulled to fix or release the first binding band 12 so as not to be pricked.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. Dynamometer under unsteady state, including main part (1), main part (1) sliding connection has seat (11), its characterized in that: still including preceding base (7) and back base (4), be provided with preceding support frame (6) and auxiliary support frame (9) on preceding base (7), be provided with back support frame (3) on back base (4), main part (1) rotate with preceding support frame (6) and back support frame (3) respectively and are connected, be provided with resistor (10) on auxiliary support frame (9), stay cord (16) on resistor (10) its tip is provided with pull rod (18), main part (1) are close to one end of resistor (10) its both sides are provided with footboard (13), still including the elasticity system that can help main part (1) to keep initial state.

2. The dynamometer of claim 1, wherein: the elastic system comprises two front elastic ropes (21), wherein front transverse supporting arms (5) are arranged on two sides of one end, close to the resistor (10), of the main body (1), front pulleys (20) are arranged on two sides of the front base (7), outer pulleys (25) are arranged on two sides of the rear base (4), a first rotating wheel (26) is rotatably connected to the rear supporting frame (3), a plurality of first positioning holes (35) penetrating through two sides of the first rotating wheel are arranged on the first rotating wheel (26), the distances from the plurality of first positioning holes (35) to the axis of the first rotating wheel (26) are equal, a first positioning jack (39) is further arranged on the rear supporting frame (3), and a first bolt (33) can be inserted into the first positioning jack (39) through a certain first positioning hole (35); one ends of the two front elastic ropes (21) are respectively fixed on the two front transverse supporting arms (5), and the other ends of the two front elastic ropes are respectively and sequentially wound around a front pulley (20) and an outer pulley (25) which are on the same side as the front transverse supporting arms (5) fixed by the two front elastic ropes and then are fixed on a first rotating wheel (26).

3. The dynamometer of claim 1, wherein: the elastic system comprises two rear elastic ropes (24), wherein two sides of one end, far away from the resistor (10), of the main body (1) are provided with rear transverse supporting arms (2), two sides of the rear base (4) are provided with inner side pulleys (28), the rear supporting frame (3) is rotatably connected with a second rotating wheel (27), the second rotating wheel (27) is provided with a plurality of first positioning holes (35) penetrating through two sides of the second rotating wheel, the distances from the plurality of first positioning holes (35) to the axis of the second rotating wheel (27) are equal, the rear supporting frame (3) is also provided with a second positioning jack (38), and the first bolt (33) can penetrate through a certain first positioning hole (35) to be inserted into the second positioning jack (38); one ends of the two rear elastic ropes (24) are respectively fixed on the two rear transverse supporting arms (2), and the other ends of the two rear elastic ropes are respectively fixed on the second rotating wheel (27) after bypassing the inner pulley (28) on the same side as the rear transverse supporting arms (2) fixed by the two rear elastic ropes.

4. A dynamometer according to any one of claims 1-3 in an unstable state, characterized by: the novel rear base is characterized in that a second fixed jack (40) is arranged on the rear base (4), a connecting end (31) is arranged at one end, close to the rear base (4), of the main body (1), first fixed jacks (36) penetrating through two sides of the connecting end (31) are arranged on the connecting end (31), and the fixed bolts (37) can penetrate through the first fixed jacks (36) and are inserted into the second fixed jacks (40).

5. A dynamometer according to any one of claims 1-3 in an unstable state, characterized by: one side that footboard (13) are close to main part (1) is provided with limiting plate (42), be provided with the shaft hole on limiting plate (42), be provided with on main part (1) and support jack (51) and spacing jack (50), supporting shaft (41) pass shaft hole and support jack (51) simultaneously, be provided with a plurality of spacing holes (44) on limiting plate (42), the distance of these a plurality of spacing holes (44) to the shaft hole is the same, and spacing bolt (43) can pass certain spacing hole (44) and insert in spacing jack (50).

6. A dynamometer according to any one of claims 1-3 in an unstable state, characterized by: be provided with a plurality of regulation jacks (45) on footboard (13), still include foot rest (14), foot rest (14) lower surface is provided with two at least spacing posts (46), and these two spacing posts (46) can insert respectively in two regulation jacks (45) simultaneously, the one end of foot rest (14) upper surface is provided with baffle (47).

7. A dynamometer according to any one of claims 1-3 in an unstable state, characterized by: the pedal device further comprises a second binding band (15), one end of the second binding band (15) is fixed on one side of the pedal (13), the other end of the second binding band passes through a collar (62) arranged on the other side of the pedal (13), a second sticky velvet (61) is arranged on the upper surface of the second binding band (15), and a second sticky hook (60) used for sticking the second sticky velvet (61) is arranged at the end part of the second binding band (15).

8. A dynamometer according to any one of claims 1-3 in an unstable state, characterized by: the seat is characterized in that first binding bands (12) are arranged on two sides of the seat (11), first sticky piles (57) are arranged on the outer side of one first binding band (12), and first sticky hooks (58) are arranged on the inner side of the other first binding band (12).

9. The unsteady state dynamometer of claim 8, further comprising: the end part of the first binding belt (12) provided with the first sticking hook (58) is provided with a rubber sleeve (59).