CN217448885U - Paddle structure and water tank for boating machine - Google Patents
Paddle structure and water tank for boating machine Download PDFInfo
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- CN217448885U CN217448885U CN202220260560.0U CN202220260560U CN217448885U CN 217448885 U CN217448885 U CN 217448885U CN 202220260560 U CN202220260560 U CN 202220260560U CN 217448885 U CN217448885 U CN 217448885U
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Abstract
The utility model relates to a body-building apparatus technical field especially relates to a paddle structure and water tank for boating machine. The paddle structure comprises paddles and a shaft body for driving the paddles to rotate synchronously, wherein a paddle angle adjusting mechanism is arranged between each paddle and the shaft body, and the paddle angle adjusting mechanism realizes the change of water resistance when the paddles rotate synchronously by adjusting the angles of the paddles. This oar structure improves through oar structure in to current rowing machine water tank, can adjust paddle to different angles, so, when the paddle rotates in step, can realize the different effects that the water hinders, is convenient for promote the exercise effect, adapts to different stages training person's needs.
Description
Technical Field
The utility model relates to a body-building apparatus technical field especially relates to a paddle structure and water tank for boating machine.
Background
Rowing machines (also known as Rowing machines) are machines used for training purposes to simulate the movement of water racing boats. The rowing machine has a good effect on strengthening muscles of legs, waists, upper limbs, chests and backs, and can complete the complete contraction and extension of the upper limbs, the lower limbs, the waists and the abdomens and the backs in the process every time of rowing, so that the exercise effect of whole body muscles can be achieved.
Rowing machine is in the use, and training person's tensile dynamics is adjusted with the resistance of water mainly through the oar in the water tank, if can be through the change of how much realization different resistances of the water yield in the water tank, secondly, training person's different tensile dynamics also has different impression to oar resistance in the water tank. The existing paddle in the water tank of the rowing machine is simple in structure, generally adopts fixed blade type paddles, the water resistance in training can only be changed by adjusting the rotating speed of the paddles by the pulling force of a pull rope or the water containing amount of the pull rope through a trainer and then driving a shaft rod connected with the paddles, and the flexible adaptation and the convenient adjustment are difficult to realize due to the difference of the pulling force for trainees in different training stages.
SUMMERY OF THE UTILITY MODEL
The utility model provides a oar structure and for machine water tank of rowing boat improves through oar structure in to current machine water tank of rowing boat, can adjust paddle to different inclination, so, when the paddle rotates in step, can realize the different effects of water resistance, is convenient for promote the exercise effect, adapts to different stage training person's needs, has solved the problem that exists among the prior art.
The utility model discloses a solve one of the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides a paddle structure, includes paddle and the synchronous pivoted axle body of drive paddle, its characterized in that, each paddle with set up paddle angle adjustment mechanism between the axle body, paddle angle adjustment mechanism realizes the change of paddle water resistance when the synchronous rotation of paddle through the regulation to each paddle angle.
Further, the shaft body comprises a shaft sleeve; the shaft rod is sleeved in the shaft body, the angle adjusting mechanism comprises a worm gear structure arranged between the blades and the bottom end of the shaft rod, the top of the shaft body is provided with an angle adjusting mechanism, and the angle adjusting mechanism rotates through the adjusting shaft rod and drives the blades to synchronously rotate by a certain angle through the worm gear structure.
Furthermore, a protective cover is covered at the end part of the paddle shaft of each paddle, the end part of the paddle shaft of each paddle penetrates through the threaded hole arranged on the side wall of the protective cover, a first worm wheel is arranged on the paddle shaft of each paddle in the protective cover, a second worm wheel is arranged at the bottom end of the shaft rod, and the first worm wheel is meshed with the second worm wheel.
Furthermore, the protective cover is a cylindrical protective cover, and the bottom of the shaft rod penetrates through the top wall of the protective cover and extends into the protective cover; the end part of a paddle shaft of each paddle penetrates through the side wall of the protective cover and extends into the protective cover; the bottom end of the shaft body is connected with the top wall of the protective cover.
Further, a threaded collar is screwed on the outer portion of the propeller shaft of each propeller blade outside the protective cover. Therefore, the sealing performance and the stability of the connection between the blade and the protective cover are ensured.
Furthermore, a fixing column is fixedly sleeved on the outer side of the bottom of the shaft body, and the bottom end of the fixing column is connected with the top wall of the protective cover; the shaft lever penetrates through the fixing column downwards and extends into the protective cover to be arranged.
Further, the bottom end of the fixing column is detachably connected with the top wall of the protective cover in a threaded connection mode.
Furthermore, the top of the shaft lever penetrates through the shaft body, and an end cover is arranged at the top end of the shaft lever; the angle adjusting mechanism comprises a movable shell and a fixed shell which are sleeved on a shaft lever on the outer side of an end cover, the fixed shell is fixedly connected with the top end of a shaft body, a plurality of column holes are formed in the fixed shell, a column rod which is in plug-in fit with the column holes is arranged at the bottom end of the movable shell, a shell plate is fixedly connected in the movable shell, the shell plate is movably sleeved on the outer side of the shaft lever, two through grooves are symmetrically formed in the shell plate, and a pin is fixed on the shaft lever corresponding to the through grooves.
Further, the fixed housing is provided integrally with the shaft body.
Further, the blades comprise 3 blades which are uniformly arranged at intervals in the horizontal circumferential direction; each blade is a blade provided with a plate-shaped blade.
The utility model adopts the second technical proposal that:
the utility model provides a water tank for rowing machine, includes as above the oar structure, cover in the paddle outside of oar structure and establish the water tank.
Furthermore, a ball bearing is sleeved on the shaft body, and the water tank comprises a housing and a housing bottom plate sealed with the bottom end of the housing; the top wall of the housing is fixed outside the ball bearing; and a supporting connecting shaft is fixedly connected below the shell bottom plate and used for supporting the water tank of the rowing machine on the rowing machine.
The utility model has the advantages that:
the utility model discloses a water oar structure is through designing the paddle for angle-adjustable formula, mainly adjusts through the improvement of the worm wheel structure between paddle and the axle body, compares the paddle of fixed angle, can be nimble realize the regulation of multiple different angles to the paddle, when the axle body drives paddle circumference synchronous rotation, the paddle angle is angle after the adjustment, so, has realized the adjustment of water resistance. Particularly, a worm wheel is arranged at the end part of a paddle shaft of each paddle, and a worm wheel meshed with the worm wheel on the paddle shaft of each paddle is arranged at the bottom end of a shaft rod, so that each paddle can synchronously realize corresponding angle rotation after the shaft rod is rotated; the adjusting process is realized through the angle adjusting mechanism arranged at the top of the shaft body, the adjustment is convenient, the use is flexible, and the fixation of the blades after different angle adjustments is met. Be applied to rowing machine water tank with this oar structure and use, can realize the regulation more nimble of water resistance in the water tank, be convenient for promote the exercise effect, adapt to different stages training person's needs.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with the protective cover removed;
FIG. 3 is a schematic sectional view taken along line A-A in FIG. 1;
FIG. 4 is a schematic perspective view of FIG. 1;
FIG. 5 is a schematic top view of the structure of FIG. 1;
FIG. 6 is a cross-sectional view of the structure of FIG. 5 along line B-B;
FIG. 7 is a schematic view of the structure of FIG. 5 with the top cover removed;
FIG. 8 is a schematic structural view of the movable housing of FIG. 1;
fig. 9 is a schematic structural view of embodiment 2 of the present invention;
fig. 10 is a schematic sectional view along the direction C-C in fig. 9.
The device comprises a blade 1, a shaft 2, a shaft 3, a protective cover 4, a first worm gear 5, a second worm gear 6, a fixed column 7, an end cover 8, a movable shell 9, a fixed shell 10, a column hole 11, a column rod 12, a shell plate 13, a through groove 14, a pin 15, a water tank 16, a shell 161, a shell base plate 162, a ball bearing 17 and a supporting connecting shaft 18.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention is explained in detail through the following embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1-8, the water oar structure comprises paddles 1 and a shaft body 2 for driving the paddles to rotate synchronously, wherein a paddle angle adjusting mechanism is arranged between each paddle and the shaft body, and the paddle angle adjusting mechanism realizes the change of water resistance when the paddles rotate synchronously by adjusting the angle of each paddle.
The shaft body 2 is a shaft sleeve, and the blades comprise 3 blades which are circumferentially and uniformly arranged at intervals. The shaft rod 3 is sleeved in the shaft body, the angle adjusting mechanism comprises a worm gear structure arranged between the blades 1 and the bottom end of the shaft rod 3, an angle adjusting mechanism is arranged at the top of the shaft body, and the angle adjusting mechanism rotates through the adjusting shaft rod 3 and drives the blades to synchronously rotate by a certain angle through the worm gear structure.
The protective cover 4 is covered at the end part of the propeller shaft of the propeller blade 1, the end part of the propeller shaft of each propeller blade penetrates through the threaded hole arranged on the side wall of the protective cover, the propeller shaft of each propeller blade in the protective cover is provided with a first worm wheel 5, the bottom end of the shaft rod 3 is provided with a second worm wheel 6, and the first worm wheels are all meshed with the second worm wheels.
The protective cover 4 is a cylindrical protective cover, and the bottom of the shaft rod penetrates through the top wall of the protective cover and extends into the protective cover; the end part of a paddle shaft of each paddle penetrates through the side wall of the protective cover and extends into the protective cover; the bottom end of the shaft body is connected with the top wall of the protective cover. And a threaded collar is screwed outside the propeller shaft of each propeller blade outside the protective cover. Therefore, the sealing performance and the stability of the connection between the blade and the protective cover are ensured.
A fixed column 7 is fixedly sleeved on the outer side of the bottom of the shaft body 2, and the bottom end of the fixed column is detachably connected with the top wall of the protective cover in a threaded manner; the shaft lever passes through the fixing column downwards and extends into the protective cover 4.
The top of the shaft lever 3 penetrates through the top end of the shaft body 2, and an end cover 8 is arranged at the top end of the shaft lever; the angle adjusting mechanism comprises a movable shell 9 and a fixed shell 10 which are sleeved on a shaft lever on the outer side of an end cover 8, the fixed shell is fixedly connected with the top end of a shaft body, a plurality of column holes 11 are formed in the fixed shell, a column rod 12 which is in splicing fit with the column holes 11 is arranged at the bottom end of the movable shell, a shell plate 13 is fixedly connected in the movable shell, the shell plate is movably sleeved on the outer side of the shaft lever, two through grooves 14 are symmetrically formed in the shell plate, and a pin 15 is fixed on the shaft lever corresponding to the through grooves.
The above-described fixed housing 10 is provided integrally with the shaft body 2.
Each of the blades 1 is a blade provided with a plate-like blade.
When the device is used, the movable shell 9 is pushed and lifted upwards along the shaft lever 3, so that the top end of the movable shell is gradually higher than the end cover 8, the post rod 12 at the bottom end of the movable shell is upwards separated from the corresponding post hole 11 on the fixed shell 10, two through grooves 14 in a shell plate 13 in the movable shell are matched with pins 15 on the shaft lever, the movable shell is rotated to a certain angle in the horizontal circumferential direction, and the shaft lever is driven to rotate in the horizontal circumferential direction together due to the driving of the pins on the shaft lever; at this moment, the second worm wheel 6 connected with the bottom end of the shaft lever 3 is meshed with the first worm wheel 5 on the propeller shaft of each blade 1 and drives the first worm wheel 5 to rotate for a certain angle, so that each blade deflects and inclines for a certain angle, then the movable shell 9 is lowered to reset, the post rod 12 at the bottom end of the movable shell is inserted into the corresponding post hole 11 on the corresponding fixed shell again, and the shaft lever is fixed again. In this way, an angular adjustment of the blade 1 is achieved. Because a plurality of column holes 11 are arranged on the fixed shell 10 at intervals, the adjustment of a plurality of inclination angles of the blade is flexibly realized.
Example 2
As shown in fig. 9 to 10, the water tank for the rowing machine includes the paddle structure of embodiment 1, and a water tank 16 is covered outside the paddle structure, and the water tank is a transparent or translucent water tank. Specifically, the ball bearing 17 is sleeved on the shaft body 2, and the water tank 16 comprises a housing 161 and a housing bottom plate 162 sealed with the bottom end of the housing; the top wall of the housing is fixed outside the ball bearing; and a support connecting shaft 18 is fixedly connected below the shell bottom plate, and the support connecting shaft 18 is used for supporting the water tank of the rowing machine on the rowing machine. The top end of the supporting connecting shaft penetrates upwards through the shell bottom plate to be fixedly connected with the bottom end of the protective cover 4.
When the rowing machine is used, the training pull rope of the rowing machine is connected with the outer side of the shaft body 2, and the connection mode can adopt the connection mode of the existing pull rope and the shaft body on the water tank of the rowing machine, such as a spiral spring mode. When the stay cord pulls or replays, the rotation of opposite direction is realized to the axle body, and then drives the synchronous circumferential direction of the paddle 1 that is connected with this internal protection casing 4 and the protection casing of being connected of axle in the water tank. Because the deflection angle of the paddle 1 is adjustable in advance, the use of the embodiment 1 is referred to in the specific adjusting process, the adjustment of the water resistance can be realized in the training process, and the problem that the training effect is influenced because the pull rope is difficult to flexibly pull by trainers in different training stages due to insufficient stretching force is solved.
The connection between the pull rope and the shaft body adopts the connection structure and the connection mode between the pull rope and the paddle driving shaft at the position of the water tank on the existing rowing machine, and the details are not described herein.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (10)
1. The utility model provides a paddle structure, includes paddle and the synchronous pivoted axle body of drive paddle, its characterized in that, each paddle with set up paddle angle adjustment mechanism between the axle body, paddle angle adjustment mechanism realizes the change of paddle water resistance when the synchronous rotation of paddle through the regulation to each paddle angle.
2. The paddle structure of claim 1, wherein the shaft is sleeved inside the shaft body, the angle adjusting mechanism comprises a worm gear structure arranged between the paddles and the bottom end of the shaft, and the top of the shaft body is provided with the angle adjusting mechanism, and the angle adjusting mechanism adjusts the rotation of the shaft to drive the paddles to rotate synchronously at a certain angle through the worm gear structure.
3. The paddle structure of claim 2, wherein a protective cover is covered at the end of the paddle shaft of each paddle, the end of the paddle shaft of each paddle is arranged through a threaded hole arranged on the side wall of the protective cover, a first worm gear is arranged on the paddle shaft of each paddle in the protective cover, a second worm gear is arranged at the bottom end of the shaft rod, and the first worm gears are all meshed with the second worm gears.
4. The paddle structure of claim 3, wherein the shroud is a cylindrical shroud, and the bottom of the shaft extends through a top wall of the shroud into the shroud; the end part of a paddle shaft of each paddle penetrates through the side wall of the protective cover and extends into the protective cover; the bottom end of the shaft body is connected with the top wall of the protective cover.
5. The paddle structure of claim 4, wherein a fixed column is fixedly sleeved on the outer side of the bottom of the shaft body, and the bottom end of the fixed column is connected with the top wall of the protective cover; the shaft lever penetrates through the fixing column downwards and extends into the protective cover to be arranged.
6. The paddle structure of claim 2, wherein the top of the shaft extends through the shaft body and the top end of the shaft is provided with an end cap; the angle adjusting mechanism comprises a movable shell and a fixed shell which are sleeved on a shaft lever on the outer side of an end cover, the fixed shell is fixedly connected with the top end of a shaft body, a plurality of column holes are formed in the fixed shell, a column rod which is in plug-in fit with the column holes is arranged at the bottom end of the movable shell, a shell plate is fixedly connected in the movable shell, the shell plate is movably sleeved on the outer side of the shaft lever, two through grooves are symmetrically formed in the shell plate, and a pin is fixed on the shaft lever corresponding to the through grooves.
7. The paddle structure of claim 6, wherein the stationary housing is integral with the shaft body.
8. The paddle structure of claim 1, wherein the paddle comprises 3 evenly spaced in a horizontal circumferential direction; each blade is a blade provided with a plate-shaped blade.
9. A water tank for a rowing machine, comprising the paddle structure of any one of claims 1 to 7, wherein the water tank is covered outside blades of the paddle structure.
10. The water tank for the rowing machine according to claim 9, wherein a ball bearing is fitted over the shaft body, the water tank including a casing and a casing bottom plate sealed with a bottom end of the casing; the top wall of the housing is fixed outside the ball bearing; and a supporting and connecting shaft is fixedly connected below the shell bottom plate and used for supporting the water tank of the rowing machine on the rowing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220260560.0U CN217448885U (en) | 2022-02-08 | 2022-02-08 | Paddle structure and water tank for boating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220260560.0U CN217448885U (en) | 2022-02-08 | 2022-02-08 | Paddle structure and water tank for boating machine |
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| Publication Number | Publication Date |
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| CN217448885U true CN217448885U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220260560.0U Active CN217448885U (en) | 2022-02-08 | 2022-02-08 | Paddle structure and water tank for boating machine |
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| CN (1) | CN217448885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445166A (en) * | 2022-10-14 | 2022-12-09 | 合肥工业大学 | Intelligent fitness simulation rowing machine |
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2022
- 2022-02-08 CN CN202220260560.0U patent/CN217448885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445166A (en) * | 2022-10-14 | 2022-12-09 | 合肥工业大学 | Intelligent fitness simulation rowing machine |
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