CN217015211U - Adjustable water resistance chest developer - Google Patents

Abstract

The utility model belongs to the technical field of fitness equipment and discloses an adjustable water resistance chest expander which comprises a base, wherein a water resistance device and a frame are fixedly arranged at one end of the top of the base, and a rotating shaft is movably hinged in the middle of the water resistance device. The rotating shaft is movably arranged in the water resistor, the spring piece is arranged at the bottom of the rotating shaft, the winding shaft is arranged at the top of the rotating shaft, the impeller is arranged on the rotating shaft, the impeller and the rotating shaft synchronously rotate by pulling the pull rope on the winding shaft, liquid is injected into the water resistor, and when the impeller rotates, the impeller can be subjected to resistance of water, so that the movement effect is achieved.

Description

Adjustable water resistance chest expander

Technical Field

The utility model belongs to the technical field of fitness equipment, and particularly relates to an adjustable water resistance chest expander.

Background

Along with the improvement of living conditions, the public pay more and more attention to health, can do some exercises in idle time of work and life, and conditional people can go to a gymnasium to exercise or buy corresponding fitness equipment to exercise at home, wherein the chest expander is comparatively comprehensive training equipment, and is simple and convenient to use and popular.

Traditional chest expander kind has a lot of, and comparatively large-scale apparatus all is with the weight, and the trainer passes through the stay cord and pulls up it, and this kind of training equipment is when using, appears debilitating or loosens the pull rod suddenly when the user moves, and the weight can be rapid fall back to bring back the pull rod, lead to the fact the injury to the trainer like this easily.

Current chest expander is when the training, in order to increase or reduce the training volume, mainly through increasing or reduce the weight quantity that draws, changes the weight of training, and this kind of mode needs the training person to move the weight continuously, drops easily and causes the injury to the training person at the in-process of weight transport, and the weight can be carried other places in case, and it is comparatively troublesome to look for, and the adjustment mode of weight is also comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides an adjustable water resistance chest expander which has the advantages of strong protectiveness and convenience in adjustment.

In order to achieve the purpose, the utility model provides the following technical scheme: an adjustable water resistance chest expander comprises a base, wherein a water resistance device and a frame are fixedly installed at one end of the top of the base, a rotating shaft is movably hinged to the middle of the water resistance device, a first impeller is fixedly installed on the rotating shaft, a spring piece is arranged at the bottom of the first impeller, two ends of the spring piece are respectively and fixedly installed on the side face of the water resistance device and the bottom of the first impeller, a winding reel is fixedly installed at the end portion of the rotating shaft, a pulling rope is wound on the winding reel, a first pulley is fixedly installed on the bottom face of the top of the frame, a second pulley is fixedly installed at the middle of the base, a pull rod is fixedly connected with the pulling rope through the first pulley and the second pulley, liquid is injected into the water resistance device, when the impeller rotates, the resistance of water is received, the movement effect is achieved, after the spring piece impeller is pulled out, the spring piece impeller reversely rotates, and then resets to drive the winding reel to roll up the pulling rope again, during the resetting process, the impeller rotates slowly due to the resistance of water.

As a preferable technical solution of the present invention, the first impeller is internally sleeved with the second impeller, the rotating shaft is internally movably mounted with a threaded rod, a sliding groove is formed in a side surface of the rotating shaft, the second impeller is movably mounted in the sliding groove, and the second impeller is located in the first impeller and can slide in the sliding groove, so as to change an area of the entire impeller.

As a preferable technical solution of the present invention, a first fixing ring and a second fixing ring are respectively fixedly mounted at the bottom and the middle of the threaded rod, the inner end of the second impeller is clamped between the first fixing ring and the second fixing ring, the first fixing ring and the second fixing ring clamp the second impeller, and the threaded rod pulls the second impeller to extend and contract in the chute when rotating, so as to change the contact area between the whole impeller and water.

As a preferable technical scheme of the utility model, a seat is fixedly mounted at the other end of the top of the base, a supporting pad is arranged on the side face of the seat, the supporting pad is fixedly mounted in the middle of the base, the seat is convenient for a user to sit down, and meanwhile, the supporting pad is convenient for the user to prop up the arm.

As a preferable technical scheme of the utility model, a fixing frame is fixedly arranged on the side surface of the supporting pad, a pair of limiting rods is fixedly arranged on the top of the fixing frame, the pull rod is clamped between the limiting rods, and the limiting rods on the supporting frame can clamp two ends of the pull rod, so that the pull rod is conveniently placed on the fixing frame.

As a preferred technical solution of the present invention, the first pulley and the second pulley are located on the same plane, the pull rope passes through the top of the water resistor, the water resistor is located at the bottom of the frame, and the pulleys are located on the same plane, which facilitates the movement of the pull rope, the water resistor is located at the bottom of the frame, and facilitates the butt joint of the pull rope and the first pulley at the top.

Compared with the prior art, the utility model has the following beneficial effects:

1. the rotating shaft is movably arranged in the water resistor, the spring piece is arranged at the bottom of the rotating shaft, the winding shaft is arranged at the top of the rotating shaft, the impeller is arranged on the rotating shaft, the impeller and the rotating shaft synchronously rotate by pulling the pull rope on the winding shaft, liquid is injected into the water resistor, and when the impeller rotates, the impeller can be subjected to water resistance, so that the movement effect is achieved.

2. According to the utility model, the second impeller is sleeved in the first impeller, the threaded rod is movably arranged in the middle of the rotating shaft, the first fixing ring and the second fixing ring are respectively fixedly arranged at the bottom and the middle of the threaded rod, the second impeller is clamped by the fixing rings, when the threaded rod is rotated, the threaded rod pulls the two fixing rings to simultaneously move, and the second impeller is pulled to stretch in the first impeller, so that the contact area between the whole of the first impeller and the whole of the second impeller and water is changed, the resistance of the water during pulling is changed, and the adjustment is safe and convenient.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of the internal structure of the water resistor of the present invention;

FIG. 5 is an enlarged view of FIG. 2 according to the present invention.

In the figure: 1. a base; 2. a frame; 3. a seat; 4. a support pad; 5. a first pulley; 6. a second pulley; 7. a water resistor; 8. a pull rod; 9. pulling a rope; 10. a spring plate; 11. a fixed mount; 12. a first impeller; 13. a rotating shaft; 14. a second impeller; 15. a chute; 16. a threaded rod; 17. a first retaining ring; 18. a spool; 19. a second retaining ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the utility model provides an adjustable water resistance chest expander, which comprises a base 1, wherein one end of the top of the base 1 is fixedly provided with a water resistor 7 and a frame 2, the middle part of the water resistor 7 is movably hinged with a rotating shaft 13, the rotating shaft 13 is fixedly provided with a first impeller 12, the bottom of the first impeller 12 is provided with a spring leaf 10, two ends of the spring leaf 10 are respectively and fixedly arranged on the side surface of the water resistor 7 and the bottom of the first impeller 12, the end part of the rotating shaft 13 is fixedly provided with a winding shaft 18, the winding shaft 18 is wound with a pull rope 9, the bottom surface of the top of the frame 2 is fixedly provided with a first pulley 5, the middle part of the base 1 is fixedly provided with a second pulley 6, the pull rod 8 is fixedly connected with the pull rope 9 through the first pulley 5 and the second pulley 6, liquid is injected into the water resistor, and when the impeller rotates, the pull rod can be subjected to water resistance, so as to achieve the effect of movement, after pulling out, thereby the spring leaf can make the impeller reverse rotation drive the reel and roll up the stay cord again, and at the in-process that resets, the impeller is owing to receive the resistance of water, can slow gyration.

Wherein, first impeller 12 is inside to be cup jointed second impeller 14, and the inside movable mounting of rotation axis 13 has threaded rod 16, and spout 15 has been seted up to the side of rotation axis 13, and second impeller 14 movable mounting can slide in the inside of spout in spout 15, and the second impeller is located the inside of first impeller to change the holistic area of impeller.

Wherein, the bottom and the middle part of threaded rod 16 are fixed mounting respectively and are had first solid fixed ring 17 and the solid fixed ring 19 of second, and the inner joint of second impeller 14 is between first solid fixed ring 17 and the solid fixed ring 19 of second, and first solid fixed ring and the solid fixed ring of second clip the second impeller, pull the second impeller when the threaded rod rotates and stretch out and draw back in the spout to change the whole area of contact with water of impeller.

Wherein, the other end fixed mounting at base 1 top has seat 3, and the side of seat 3 is equipped with supporting pad 4, and supporting pad 4 fixed mounting is at the middle part of base 1, and seat person of facilitating the use sits down, and the person of facilitating the use of supporting pad props up the arm simultaneously.

Wherein, supporting pad 4's side fixed mounting has mount 11, and the top fixed mounting of mount 11 has a pair of gag lever post, and 8 joints of pull rod are between the gag lever post, and the gag lever post on the support frame can block the both ends of pull rod, conveniently places the pull rod on the mount.

Wherein, first pulley 5 and second pulley 6 are located the coplanar, and stay cord 9 passes the top of water resistor 7, and water resistor 7 is located the bottom of frame 2, and the pulley is located the coplanar and helps the removal water resistor of stay cord to be located the bottom of frame, makes things convenient for the first wheel of stay cord and top to trade to advance the butt joint.

The working principle and the using process of the utility model are as follows:

a rotating shaft 13 is movably arranged in a water resistor 7, a spring piece 10 is arranged at the bottom of the rotating shaft 13, a winding shaft 18 is arranged at the top of the rotating shaft 13, a first impeller 12 is arranged on the rotating shaft 13, the first impeller 12 and the rotating shaft 13 synchronously rotate by pulling a pull rope 9 on the winding shaft 18, liquid is injected into the water resistor 7, when the first impeller 12 rotates, the first impeller 12 can be subjected to water resistance, so that the movement effect is achieved, after the pull rope 9 is pulled out, the spring piece 10 can enable the first impeller 12 to reversely rotate so as to drive the winding shaft 18 to wind the pull rope 9 again, in the resetting process, the first impeller 12 can slowly rotate due to the water resistance, so that the protection effect on a trainer can be achieved, a second impeller 14 is sleeved in the first impeller 12, a threaded rod 16 is movably arranged in the middle of the rotating shaft 13, at the bottom of threaded rod 16 and the solid fixed ring of second 17 of fixed mounting respectively and solid fixed ring 19 in the middle part, clip second impeller 14 through two solid fixed rings, when rotating threaded rod 16, threaded rod 16 pulls two solid fixed rings and moves simultaneously to pull second impeller 14 and stretch out and draw back in the inside of first impeller 12, thereby change the area of contact of first impeller 12 and second impeller 14 whole and water, thereby the resistance size of water when changing pulling stay cord 9.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a water resistance chest expander with adjustable, includes base (1), its characterized in that: a water resistor (7) and a frame (2) are fixedly arranged at one end of the top of the base (1), a rotating shaft (13) is movably hinged in the middle of the water resistor (7), a first impeller (12) is fixedly installed on the rotating shaft (13), the bottom of the first impeller (12) is provided with a spring piece (10), two ends of the spring piece (10) are respectively and fixedly arranged on the side surface of the water resistor (7) and the bottom of the first impeller (12), a winding shaft (18) is fixedly arranged at the end part of the rotating shaft (13), a pull rope (9) is wound on the winding shaft (18), a first pulley (5) is fixedly arranged on the bottom surface of the top of the frame (2), the middle part fixed mounting of base (1) has second pulley (6), stay cord (9) pass first pulley (5) and second pulley (6) fixedly connected with pull rod (8).

2. The adjustable water resistance chest expander as claimed in claim 1, wherein: the improved impeller is characterized in that a second impeller (14) is sleeved inside the first impeller (12), a threaded rod (16) is movably mounted inside the rotating shaft (13), a sliding groove (15) is formed in the side face of the rotating shaft (13), and the second impeller (14) is movably mounted in the sliding groove (15).

3. The adjustable water resistance chest expander as claimed in claim 2, wherein: the bottom and the middle part of threaded rod (16) are fixed mounting respectively and are had first solid fixed ring (17) and the solid fixed ring of second (19), the inner joint of second impeller (14) is between first solid fixed ring (17) and the solid fixed ring of second (19).

4. The adjustable water resistance chest expander as claimed in claim 1, wherein: the utility model discloses a chair, including base (1), the other end fixed mounting at base (1) top has seat (3), the side of seat (3) is equipped with supporting pad (4), supporting pad (4) fixed mounting is at the middle part of base (1).

5. The adjustable water resistance chest expander as claimed in claim 4, wherein: the side fixed mounting of supporting pad (4) has mount (11), the top fixed mounting of mount (11) has a pair of gag lever post, two be provided with pull rod (8) between the gag lever post.

6. The adjustable water resistance chest expander as claimed in claim 1, wherein: the first pulley (5) and the second pulley (6) are located on the same plane, the pull rope (9) penetrates through the top of the water resistor (7), and the water resistor (7) is located at the bottom of the frame (2).

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