CN210873910U

CN210873910U - Water resistance adjusting device and water resistance rowing machine with same

Info

Publication number: CN210873910U
Application number: CN201921501372.7U
Authority: CN
Inventors: 吴银昌
Original assignee: Zhejiang Arcana Power Sports Tech Co Ltd
Current assignee: Zhejiang Arcana Power Sports Tech Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-30
Anticipated expiration: 2029-09-10

Abstract

The utility model relates to the technical field of fitness equipment, in particular to a water resistance adjusting device and a water resistance rowing machine with the same, which comprises a screw rod component, a rotating mechanism, a water tank and a paddle, wherein the paddle is arranged on the screw rod component, the paddle moves axially along with the screw rod component, the paddle is arranged in a cavity of the water tank, and the paddle moves up and down relative to the cavity of the water tank; the slewing mechanism docks with the paddle, and the paddle is axial relative motion and circumference synchronous motion on slewing mechanism's output to the realization increases or reduces the size of the area of contact of paddle and water, accomplishes the regulation of water resistance size, and it is more convenient to operate, and can set up different water resistance sizes according to different training needs and intensity, can accurate training data more.

Description

Water resistance adjusting device and water resistance rowing machine with same

Technical Field

The utility model relates to a body-building apparatus technical field, concretely relates to water resistance adjusting device, and have device's water resistance rowing machine.

Background

Rowing machines are machines used for training purposes to simulate the movement of water racing boats. The indoor rowing machine is also commonly called a dynamometer and is used for measuring the strength consumed by a sporter in motion, the rowing machine has a good effect on strengthening muscles of legs, waists, upper limbs, chests and backs, and the upper limbs, the lower limbs, the waists and the abdomens and the backs can complete one-time complete contraction and extension in the process every time of rowing, so that the aerobic exercise effect of whole muscles can be achieved.

The water resistance rowing machine in the market at present mainly has two kinds, one kind is unable adjustable resistance, another kind is through the water yield change in the sump adjusting resistance, the former water resistance rowing machine can only satisfy a fixed resistance to the effect of training, and the latter is through the water yield change adjusting resistance, then need increase and decrease the water yield, and it is very loaded down with trivial details to operate, consequently, the market urgently needs a water resistance rowing machine that can automatically regulated resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can automatic convenient water of adjusting hinders big or small water and hinder rowing machine and have device.

In order to achieve the purpose, the main technical solution of the present invention is a water resistance adjusting device, comprising a screw assembly, a rotating mechanism, a water tank and a paddle, wherein the paddle is arranged on the screw assembly, the paddle moves axially along with the screw assembly, the paddle is arranged in a cavity of the water tank, and the paddle moves up and down relative to the cavity of the water tank; the rotating mechanism is in butt joint with the blades, and the blades do axial relative motion and circumferential synchronous motion on the output end of the rotating mechanism.

In some examples, the screw assembly includes a motor and an adjusting screw, an output end of the motor is provided with an axial connecting column, the adjusting screw is connected with the axial connecting column through a connecting piece, and the adjusting screw moves axially along the axial connecting column.

In some examples, the adjusting screw extends through the output end of the rotating mechanism and extends to the bottom in the cavity of the blade; the bottom of the extended adjusting screw is provided with a supporting sheet for supporting the whole blade.

In some examples, the adjusting screw has at least one threaded section, and the connecting plate outside the water tank is provided with a nut which is engaged with and fixedly arranged on the threaded section.

In some examples, slewing mechanism includes output shaft, universal driving shaft, drive axle subassembly, stretching strap and elastic webbing, output shaft and universal driving shaft fixed connection, drive axle subassembly cover are established on the universal driving shaft, and the one end fixed connection of stretching strap is in the one end of axle center subassembly, and the other end of stretching strap is provided with the portion of gripping, and elastic webbing fixed connection is in the other end of axle center subassembly.

In some examples, the driving shaft subassembly includes freewheel clutch, stretch cord iron cover, band pulley and mounting panel, and freewheel clutch and stretch cord iron cover fixed connection are in the same place, the band pulley cover is established on the stretch cord iron cover, the band pulley outside is connected on the mounting panel through the bearing, mounting panel fixed connection is external to the water tank, the universal driving shaft runs through in stretch cord iron cover and freewheel clutch.

In some examples, the output shaft penetrates into the cavity of the paddle, and an elastic part is arranged between the bottom of the output shaft and the bottom of the paddle cavity, so that the condition that the paddle deviates in the ascending or descending process is eliminated.

In some examples, the output shaft is arranged in a polygonal cylinder structure, and the structure of the output shaft is matched with the cavity structure of the paddle, so that the output shaft and the paddle can rotate synchronously in the circumferential direction.

In some examples, one end of the main frame is provided with a cushion part, the other end which is opposite to the cushion part in the radial direction is provided with a suspension part, and the water resistance rowing machine further comprises the water resistance adjusting device which is arranged between the main frame and the suspension part; the suspension part is provided with a pedal.

In some examples, the main frame at one end of the seat cushion part is provided with a slide rail, and the seat cushion part can move on the main frame through the slide rail and can be adjusted to different positions.

The utility model discloses owing to adopted above technical scheme, combine adjusting screw's structure through the motor, drive the ascending or decline of paddle to the size of the area of contact of paddle and water is increased or reduced in the realization, accomplishes the regulation that water hinders the size, and it is more convenient to operate, and can set up different water according to different training needs and intensity and hinder the size, can accurate training data more.

Drawings

Figure 1 is a schematic structural view of an embodiment of the present invention,

figure 2 is a schematic cross-sectional view of the water-resistant rowing machine of the embodiment of figure 1,

figure 3 is an exploded view of the water resistance adjusting device of the embodiment of figure 1,

fig. 4 is a schematic view showing a structure of a water resistance adjusting device when the water resistance is minimized in the embodiment of fig. 1,

fig. 5 is a schematic view showing the structure of the water resistance adjusting device when the water resistance of the embodiment of fig. 1 is maximum,

in the figure: a water resistant rowing machine 100;

the water resistance adjusting device 110, the blades 1101, the adjusting screw 1102, the connecting piece 1103, the axial connecting column 1104, the motor 1105, the output shaft 1106, the linkage shaft 1107, the elastic piece 1108, the supporting sheet 1109, the elastic cord iron sleeve 1110, the overrunning clutch 1111, the belt wheel 1112, the mounting plate 1113, the nut 1114, the water tank 1115, the pull belt 1116, the holding part 1117 and the elastic cord 1118;

the main frame 120, a seat cushion part 121, a slide rail 122, a pedal 123, a suspension part 124, a hook 1241, a guide wheel 1242 and a support frame 125.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.

It is to be understood that the terms "a" and "an" are to be interpreted as meaning that a number of one element may be one in one embodiment or multiple in another embodiment, and the terms "a" and "an" are not to be interpreted as limiting the number.

Referring to fig. 1 of the drawings attached to the present specification, a water resistance rowing machine 100 having a water resistance adjusting device 110 according to a preferred embodiment of the present invention is illustrated, the water resistance rowing machine 100 including a main frame 120 and the water resistance adjusting device 110 fixedly provided on the main frame 120.

Specifically, a cushion portion 121 is provided at one end of the main frame 120, and a suspension portion 124 is provided at the other end of the main frame 120 radially opposite to the cushion portion 121; the main frame 120 at one end of the cushion part 121 is provided with a slide rail 122, the cushion part 121 can move on the main frame 120 through the slide rail 122 and can adjust different positions thereof, the position of the cushion part 121 is set according to training requirements and strength, a guide wheel 1242 is arranged in the suspension part 124, a hook 1241 is arranged outside the suspension part 124, the guide wheel 1242 is used for guiding the direction of the pull belt 1116 so that the pull belt 1116 can extend out from an output port of the suspension part 124, the hook 1241 is used for hanging a holding part 1117 of the pull belt 1116, the suspension part 124 is further provided with a support frame 125 for supporting a display screen, the display screen can comprise a mobile phone, an ipad, a television screen and the like, and is convenient for relaxing and entertaining during movement, the suspension part 124 is provided with a pedal plate 123, in some embodiments, the main frame 120 can comprise a first main frame and a second main frame, the first main frame and the second main frame are connected through a hinge, the main frame 120 can be folded and is convenient to store when not in use, and the structure of the rest parts is similar to that of the existing water resistance rowing machine, so that the redundant description is omitted.

It should be noted that, referring to fig. 2 to 5, the water resistance adjusting device 110 includes a screw assembly, a rotating mechanism, a water tank 1115 and a paddle 1101, the paddle 1101 is disposed on the screw assembly, the paddle 1101 is driven by the screw assembly to move axially, the paddle 1101 is disposed in a cavity of the water tank 1115, and the paddle 1101 moves up and down relative to the cavity of the water tank 1115; the paddle 1101 is connected to the rotating mechanism, the paddle 1101 axially moves relatively and circumferentially moves synchronously at the output end of the rotating mechanism, and the water tank 1115 is provided with a water inlet and a water outlet and used for filling water into the cavity of the water tank 1115 and discharging water in time, so that the cleanness of a water source inside the water tank is guaranteed.

Specifically, in this embodiment, the screw assembly includes a motor 1105 and an adjusting screw 1102, the output end of the motor 1105 is provided with two axial connecting posts 1104, one end of the adjusting screw 1102 is provided with a connecting tab 1103, the connecting tab 1103 is provided with a connecting hole site aligned with the two axial connecting posts 1104 and having a hole diameter matched with the hole diameter, the adjusting screw 1102 is connected to the axial connecting posts 1104 through the connecting tab 1103, the adjusting screw 1102 penetrates through the output end of the rotating mechanism and extends to the bottom of the cavity of the blade 1101, the bottom of the extended adjusting screw 1102 is provided with a supporting sheet 1109, the supporting sheet 1109 is used for supporting the whole blade 1101, furthermore, in this embodiment, the adjusting screw 1102 close to the connecting tab 1103 has a threaded section, a nut 1114 engaged with the threaded section is fixedly arranged on the fixing plate, the fixing plate is fixedly arranged in the suspension portion 124, and the adjusting screw 1102 is driven to rotate by the motor, adjusting screw 1102 rotates circumferentially relative to nut 1114 and moves axially along axial connecting column 1104, and then supporting paddle 1101 by using supporting sheet 1109, so that paddle 1101 and adjusting screw 1102 move axially synchronously, and paddle 1101 moves up relative to a cavity of stationary water tank 1115, otherwise, if the rotating direction of motor 1105 is opposite to the rotating direction, paddle 1101 moves down relative to the cavity of stationary water tank 1115, so that the upward/downward movement of paddle 1101 is automatically controlled electrically, and when water tank 1115 contains a certain amount of water, the contact area of paddle 1101 to water can be increased/decreased through the movement; when the water resistance is increased, the contact area of the blades 1101 and water is reduced, the water resistance is correspondingly reduced, when the water resistance is decreased, the contact area of the blades 1101 and water is increased, the water resistance is correspondingly increased, and the water resistance is automatically adjusted according to the training requirements of a trainer.

In this embodiment, the rotating mechanism includes an output shaft 1106, a linkage shaft 1107, a drive shaft assembly, a pull belt 1116 and an elastic rope 1118, the output shaft 1106 and the linkage shaft 1107 are riveted and fixedly connected together, the adjusting screw 1102 sequentially penetrates through the linkage shaft 1107 and the output shaft 1106, that is, the output end of the rotating mechanism includes the linkage shaft 1107 and/or the output shaft 1106, and at least a part of the output shaft 1106 penetrates through the cavity of the paddle 1101; in the embodiment, the output shaft 1106 is set to be a hexagonal tubular column, the linkage shaft 1107 is set to be a resistance arm rotating shaft, a cavity of the blade 1101 is matched with the structure of the hexagonal tubular column, when the output shaft 1106 rotates, the blade 1101 is driven by the output shaft 1106 to rotate circumferentially synchronously with the output shaft 1106, when the water resistance needs to be adjusted, the screw drives the blade 1101 to ascend or descend, the output shaft 1106 is stationary, and the blade 1101 ascends or descends relative to the output shaft 1106 (i.e., moves axially along the output shaft 1106), except for the implementation, only the blade 1101 and the output shaft 1106 need to move axially and relatively and move circumferentially synchronously; in addition, the fixed cover of drive shaft subassembly is established on universal driving shaft 1107, and stretching strap 1116 one end sets up the one end of drive shaft subassembly, and the other end of stretching strap 1116 is provided with the portion of gripping 1117, and its stretching strap 1116 is around establishing at the leading wheel 1242 that sets up in suspension portion 124 to extend the delivery outlet of suspension portion 124, and its portion of gripping 1117 can be hung and establish on the couple 1241 of fixed mounting in suspension portion 124.

The driving shaft assembly comprises an elastic cord iron sleeve 1110, an overrunning clutch 1111 and a belt pulley 1112, the elastic cord iron sleeve 1110 is fixedly connected with the overrunning clutch 1111, the elastic cord iron sleeve 1110 and the overrunning clutch 1111 are fixedly sleeved on the linkage shaft 1107, the belt pulley 1112 is fixedly sleeved outside the elastic cord iron sleeve 1110 and the overrunning clutch 1111, the belt pulley 1112 is connected to a mounting plate 1113 through a bearing, the mounting plate 1113 is fixedly connected outside the water tank 1115, wherein one end of a pull belt 1116 is fixedly mounted at one end of the belt pulley 1112, and the elastic cord 1118 is fixedly mounted at the other end of the belt pulley 1112; when a trainer holds the hand and pulls the holding part 1117, the pull belt 1116 drives the pulley 1112 to rotate, at the moment, the elastic cord iron sleeve 1110, the overrunning clutch 1111, the linkage shaft 1107 and the output shaft 1106 rotate synchronously in the circumferential direction together, so that the paddle 1101 is driven to rotate, when the trainer looses the hand, under the action of the elastic cord 1118, the elastic cord 1118 moves in a resetting manner to restore the pulley 1112 to the original position, at the moment, the pull belt 1116 is also retracted, and the elastic cord iron sleeve 1110, the overrunning clutch 1111, the linkage shaft 1107 and the output shaft 1106 rotate synchronously in the circumferential direction opposite to that of the elastic cord iron sleeve 1110, the overrunning clutch 1111, the linkage shaft 1107 and the output shaft 1106 together, so that the training effect is.

In addition, in this embodiment, in order to better reduce displacement deviation and smooth synchronous rising or falling of the blade 1101 in the rising or falling process, an elastic member 1108 is disposed between the bottom of the output shaft 1106 and the bottom of the cavity of the blade 1101, the elastic member 1108 of this embodiment is a compression spring, and when rising, the compression spring is continuously compressed because the output shaft 1106 does not axially displace but the blade 1101 axially displaces; when the blade descends, the compression springs gradually recover the deformation, and the blade 1101 gradually completes the descending motion by means of the dead weight and the pressure of the compression springs.

In summary, the overall process of adjusting the water resistance is divided into a blade 1101 ascending process or a blade 1101 descending process; when the blade is lifted, the output of the motor 1105 drives the adjusting screw 1102 to rotate, the nut 1114 is fixed, the linkage shaft 1107 and the output shaft 1106 are fixed, the adjusting screw 1102 axially lifts, the blade 1101 is lifted under the support of the supporting sheet 1109, and at the moment, the elastic element 1108 is gradually compressed; when the blade 1101 descends, the motor 1105 reversely outputs to drive the adjusting screw 1102 to rotate, the nut 1114 is fixed, the linkage shaft 1107 and the output shaft 1106 are fixed, the adjusting screw 1102 axially descends, the elastic element 1108 gradually recovers the deformation, and the blade 1101 descends by virtue of the dead weight and the pressure of the elastic element 1108.

Specific uses are as follows:

s1: firstly, adding a certain amount of water from the water inlet of the water tank 1115 (but the water tank 1115 cannot be filled with the water), covering the water plug, and stopping the water filling operation when the water in the cavity of the water tank 1115 reaches a certain depth;

s2: according to the required water resistance, the motor 1105 drives the adjusting screw 1102 to rotate, so as to raise/lower the contact area of the blade 1101 and water, when the contact area of the blade 1101 and water is larger, the generated water resistance is larger, and when the contact area of the blade 1101 and water is smaller, the generated water resistance is smaller;

s3: after the contact area between the blades 1101 and water is adjusted, the holding part 1117 is held and pulled, at this time, the belt pulley 1112 drives the elastic cord iron sleeve 1110 and the overrunning clutch 1111 to rotate circumferentially and synchronously through the rotation of the driving belt pulley 1112 of the pulling belt 1116, so as to drive the universal driving shaft 1107 and the output shaft 1106 to rotate circumferentially and synchronously, and the output shaft 1106 drives the blades 1101 to rotate circumferentially and synchronously.

S4: when the grip 1117 is released, the pull belt 1116 begins to retract as the pulley 1112 is returned to its original position by the internal bungee cord 1118.

S5: the operations of step S3 and step S4 are repeatedly completed, thereby performing simulated training of rowing.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention.

The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. A water resistance adjusting device is characterized by comprising a screw rod assembly, a rotating mechanism, a water tank (1115) and a paddle (1101), wherein the paddle (1101) is arranged on the screw rod assembly, the paddle (1101) axially moves along with the screw rod assembly, the paddle (1101) is arranged in a cavity of the water tank (1115), and the paddle (1101) moves up and down relative to the cavity of the water tank (1115); the rotating mechanism is in butt joint with the blades (1101), and the blades (1101) make axial relative motion and circumferential synchronous motion on the output end of the rotating mechanism.

2. The water resistance adjusting device according to claim 1, wherein the screw assembly comprises a motor (1105) and an adjusting screw (1102), an output end of the motor (1105) is provided with an axial connecting column (1104), the adjusting screw (1102) is connected with the axial connecting column (1104) through a connecting piece (1103), and the adjusting screw (1102) moves axially along the axial connecting column (1104).

3. The water resistance adjusting device according to claim 2, wherein the adjusting screw (1102) penetrates through the output end of the rotating mechanism and extends to the bottom in the cavity of the blade (1101); the bottom of the extended adjusting screw rod (1102) is provided with a supporting sheet (1109) for supporting the whole blade (1101).

4. The water resistance adjusting device according to claim 2, wherein the adjusting screw (1102) has at least one threaded section, and the connecting plate outside the water tank is provided with a nut engaged and fixedly arranged with the threaded section and a nut (1114) engaged and fixedly arranged with the threaded section.

5. The water resistance adjusting device according to claim 1, wherein the rotating mechanism comprises an output shaft (1106), a linkage shaft (1107), a driving shaft assembly, a pull belt (1116) and an elastic rope (1118), the output shaft (1106) is fixedly connected with the linkage shaft (1107), the driving shaft assembly is sleeved on the linkage shaft (1107), one end of the pull belt (1116) is fixedly connected to one end of the shaft center assembly, the other end of the pull belt (1116) is provided with a holding part (1117), and the elastic rope (1118) is fixedly connected to the other end of the shaft center assembly.

6. The water resistance adjusting device according to claim 5, wherein the driving shaft assembly comprises an overrunning clutch (1111), an elastic cord iron sleeve (1110), a belt pulley (1112) and a mounting plate (1113), the overrunning clutch (1111) is fixedly connected with the elastic cord iron sleeve (1110), the belt pulley (1112) is sleeved on the elastic cord iron sleeve (1110), the outside of the belt pulley (1112) is connected with the mounting plate (1113) through a bearing, the mounting plate (1113) is fixedly connected with the outside of the water tank (1115), and the linkage shaft (1107) penetrates through the elastic cord iron sleeve (1110) and the overrunning clutch (1111).

7. The water resistance adjusting device according to claim 5, wherein the output shaft (1106) penetrates into the cavity of the blade (1101), and an elastic member (1108) is arranged between the bottom of the output shaft (1106) and the bottom in the cavity of the blade (1101).

8. The water resistance adjusting device according to claim 5, characterized in that the output shaft (1106) is provided with a polygonal column structure, and the structure of the output shaft (1106) is matched with the cavity structure of the blade (1101).

9. A water resistance rowing machine comprising a main frame (120), wherein one end of the main frame (120) is provided with a cushion part (121), and the other end diametrically opposite to the cushion part (121) is provided with a suspension part (124), and the water resistance rowing machine further comprises the water resistance adjusting device according to any one of claims 1 to 8, which is provided between the main frame (120) and the suspension part (124); the suspension portion (124) is provided with a pedal (123).

10. The water resistance rowing machine according to claim 9, wherein a slide rail (122) is provided on the main frame (120) at one end of the seat part (121), and the seat part (121) can be moved on the main frame (120) by the slide rail (122) and adjusted to different positions.