CN216963457U - Abdominal muscle board with adjustable gradient - Google Patents

Abstract

The utility model discloses an abdominal muscle plate with adjustable inclination, which comprises a bottom plate, wherein the front end of the top of the bottom plate is movably connected with a back plate through a movable shaft, the top of the back plate is provided with a back cushion, the rear end of the top of the bottom plate is fixedly connected with a frame body, the rear end of the top of the bottom plate and an inner cavity of the frame body are rotatably connected with a threaded rod through a bearing, and the top of the threaded rod extends to the top of the frame body through the bearing and is in threaded connection with a threaded sleeve. According to the structure, the threaded rod is arranged to drive the threaded sleeve to move upwards, the threaded sleeve drives the moving block to slide on the inner surface of the moving groove through the moving shaft, the angle of the back plate is adjusted, meanwhile, the threaded rod also drives the limiting gear to rotate, and by the arrangement, the structure has the advantage of adjusting the angle, the problem that the angle of the existing abdominal muscle plate cannot be adjusted is solved, and therefore the using requirements of users can be better met.

Description

Abdominal muscle board with adjustable gradient

Technical Field

The utility model relates to the technical field of abdominal muscle plates, in particular to an abdominal muscle plate with adjustable inclination.

Background

The abdominal muscle board is the board of lying on the back of the body, strong abdominal muscle, abdominal muscle training ware is body-building, thin abdomen, have sit up, receive the back of the body motion, the body-building product of training functions such as raising the leg of lying on the back, it is the current abdominal muscle board of family's body-building mainstream equipment mostly is fixed angle, when needs strengthen the action degree of difficulty, need adjust the inclination of abdominal muscle board, in order to increase the training degree of difficulty, and current abdominal muscle board exists and does not possess the defect of adjusting the angle, thereby can not satisfy user's user demand.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide an abdominal muscle plate with an adjustable inclination degree, which has the advantage of angle adjustment and solves the problem that the angle cannot be adjusted in the existing abdominal muscle plate.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an abdominal muscle board with adjustable gradient, includes the bottom plate, the front end at bottom plate top all has the backplate through loose axle swing joint, the top of backplate is provided with the cushion, the rear end fixedly connected with framework at bottom plate top, the rear end at bottom plate top just is located the inner chamber of framework and rotates through the bearing and is connected with the threaded rod, top and the threaded connection that the bearing extends to the framework at the top of threaded rod has the screw sleeve, there is the movable block at screw sleeve's top through loose axle swing joint, the shifting chute has been seted up at the back of backplate and the position that cooperatees and use with the movable block, the surface of movable block and the internal surface sliding connection of shifting chute, stop gear has been cup jointed to the surface of threaded rod and the inner chamber that is located the framework.

Preferably, the rear end fixedly connected with spring at framework top, the one end fixedly connected with movable block of spring, the bottom fixedly connected with gag lever post of movable block, the surface of gag lever post and the internal surface sliding connection of spring, the bottom of gag lever post extends to the inner chamber of framework.

Preferably, the top of the frame body and the position matched with the limiting rod for use are provided with through holes, and the outer surface of the limiting rod is in sliding connection with the inner surface of the through holes.

Preferably, the top of the bottom plate and the inner side of the frame body are provided with limiting holes, the bottom of the limiting rod is connected with the connecting part of the limiting holes in an inserting mode, and the outer surface of the limiting rod is tightly attached to the inner surface of the limiting gear.

Preferably, the rear end of the surface of the limiting rod is fixedly connected with a sliding block, the back of the inner cavity of the frame body is provided with a sliding groove, and the outer surface of the sliding block is connected with the inner surface of the sliding groove in a sliding mode.

Preferably, the rear end of the back plate is fixedly connected with a connecting rod, one end, far away from the back plate, of the connecting rod is fixedly connected with a rotating rod, and protecting sleeves are sleeved on the left side and the right side of the outer surface of the rotating rod.

Preferably, the front end and the rear end of the surface of the threaded rod are fixedly connected with driving rods, and the length of each driving rod is five centimeters.

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

according to the utility model, the threaded rod is arranged to drive the threaded sleeve to move upwards, the threaded sleeve drives the moving block to slide on the inner surface of the moving groove through the movable shaft, the angle of the back plate is adjusted, and meanwhile, the threaded rod also drives the limiting gear to rotate.

Drawings

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

FIG. 2 is a right side cross-sectional view of the base plate structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at a;

FIG. 4 is a perspective view of a stop lever structure of the present invention;

FIG. 5 is a top cross-sectional view of a limit gear structure of the present invention.

In the figure: 1. a base plate; 2. a back plate; 3. back cushion; 4. a frame body; 5. a threaded rod; 6. a threaded sleeve; 7. a moving block; 8. a moving groove; 9. a limit gear; 10. a spring; 11. a movable block; 12. a limiting rod; 13. a through hole; 14. a limiting hole; 15. a slider; 16. a chute; 17. a connecting rod; 18. a rotating rod; 19. a protective sleeve; 20. a drive rod.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, an abdominal muscle board with adjustable inclination comprises a bottom board 1, a back board 2 is movably connected to the front end of the top of the bottom board 1 through a movable shaft, a back cushion 3 is arranged on the top of the back board 2, a frame 4 is fixedly connected to the rear end of the top of the bottom board 1, a threaded rod 5 is rotatably connected to the inner cavity of the frame 4 through a bearing at the rear end of the top of the bottom board 1, the top of the threaded rod 5 extends to the top of the frame 4 through a bearing and is in threaded connection with a threaded sleeve 6, a movable block 7 is movably connected to the top of the threaded sleeve 6 through a movable shaft, a movable groove 8 is formed in the back of the back board 2 at a position matched with the movable block 7, the outer surface of the movable block 7 is in sliding connection with the inner surface of the movable groove 8, a limit gear 9 is sleeved on the outer surface of the threaded rod 5 and is arranged in the inner cavity of the frame 4, the threaded sleeve 6 is driven to move upwards through the threaded rod 5, threaded sleeve 6 drives movable block 7 through the loose axle and slides at the internal surface of shifting chute 8, adjusts the angle of backplate 2, and threaded rod 5 also drives limit gear 9 simultaneously and rotates, through setting up above structure, has possessed the advantage that adjusts the angle, has solved current abdominal muscle board and has had not possess the problem of adjusting the angle to the user demand that satisfies the user that can be better.

Specifically, the rear end fixedly connected with spring 10 at frame 4 top, the one end fixedly connected with movable block 11 of spring 10, the bottom fixedly connected with gag lever post 12 of movable block 11, the surface of gag lever post 12 and the internal surface sliding connection of spring 10, the bottom of gag lever post 12 extends to the inner chamber of frame 4, through setting up spring 10, movable block 11 and gag lever post 12, has made things convenient for and has carried on spacingly to limit gear 9.

Specifically, through-hole 13 has been seted up at the top of framework 4 and the position that cooperatees and use with gag lever post 12, and the internal surface sliding connection of the surface of gag lever post 12 and through-hole 13 has made things convenient for to guide gag lever post 12 through setting up through-hole 13.

Specifically, the top of the bottom plate 1 and the inner side of the frame body 4 are provided with the limiting hole 14, the bottom of the limiting rod 12 is connected with the connecting part of the limiting hole 14 in an inserting mode, the outer surface of the limiting rod 12 is tightly attached to the inner surface of the limiting gear 9, and the limiting hole 14 is arranged, so that the bottom of the limiting rod 12 is limited conveniently.

Specifically, the rear end fixedly connected with slider 15 on gag lever post 12 surface, spout 16 has been seted up at the back of 4 inner chambers of framework, and slider 15's surface and 16's internal surface sliding connection have made things convenient for to lead gag lever post 12 through setting up slider 15 and spout 16, also spacing it simultaneously.

Specifically, the rear end fixedly connected with connecting rod 17 of backplate 2, the one end fixedly connected with bull stick 18 of backplate 2 is kept away from to connecting rod 17, and the left and right sides cover of bull stick 18 surface is equipped with lag 19, through setting up connecting rod 17, bull stick 18 and lag 19, has made things convenient for to protect the shank, improves the result of use.

Specifically, the driving rods 20 are fixedly connected to the front end and the rear end of the surface of the threaded rod 5, the length of each driving rod 20 is five centimeters, and the threaded rod 5 is driven conveniently by the aid of the driving rods 20.

When in use, when the inclination angle of the abdominal muscle plate needs to be adjusted, the movable block 11 drives the limiting rod 12 to move upwards, the spring 10 is stretched to make the limit rod 12 far away from the limit gear 9, at this time, the threaded rod 5 is rotated by the driving rod 20, so that the threaded rod 5 drives the threaded sleeve 6 to move upwards, the threaded sleeve 6 drives the moving block 7 to slide upwards on the inner surface of the moving groove 8, the back plate 2 is supported, the angle of the back plate is adjusted, at the moment, the movable block 11 drives the limiting rod 12 to be inserted into the inner surface of the limiting gear 9 through the counterforce of the spring 10, carry on spacingly to stop gear 9, avoid threaded rod 5 the phenomenon of rotation to appear, through setting up above structure, possessed the advantage of adjusting the angle, solved current abdominal muscle board and had the problem that does not possess and carry out the adjustment to the angle to the user demand that satisfies the user that can be better.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 (7)

1. The utility model provides an abdominal muscle board with adjustable gradient, includes bottom plate (1), its characterized in that: the front end of the top of the bottom plate (1) is movably connected with a back plate (2) through a movable shaft, a back cushion (3) is arranged at the top of the back plate (2), a frame body (4) is fixedly connected at the rear end of the top of the bottom plate (1), the rear end of the top of the bottom plate (1) and the inner cavity of the frame body (4) are rotatably connected with a threaded rod (5) through a bearing, the top of the threaded rod (5) extends to the top of the frame body (4) through a bearing and is connected with a threaded sleeve (6) in a threaded manner, the top of the threaded sleeve (6) is movably connected with a movable block (7) through a movable shaft, a moving groove (8) is arranged on the back of the back plate (2) and at the position matched with the moving block (7), the outer surface of the moving block (7) is connected with the inner surface of the moving groove (8) in a sliding way, and the outer surface of the threaded rod (5) is sleeved with a limit gear (9) in the inner cavity of the frame body (4).

2. The adjustable-inclination abdominal muscle plate according to claim 1, wherein: the rear end fixedly connected with spring (10) at framework (4) top, the one end fixedly connected with movable block (11) of spring (10), the bottom fixedly connected with gag lever post (12) of movable block (11), the surface of gag lever post (12) and the internal surface sliding connection of spring (10), the bottom of gag lever post (12) extends to the inner chamber of framework (4).

3. The adjustable-inclination abdominal muscle plate according to claim 2, wherein: through-hole (13) have been seted up at the top of framework (4) and the position that cooperatees and use with gag lever post (12), the surface of gag lever post (12) and the internal surface sliding connection of through-hole (13).

4. The adjustable-inclination abdominal muscle plate according to claim 2, wherein: the top of the bottom plate (1) is located on the inner side of the frame body (4) and is provided with a limiting hole (14), the bottom of the limiting rod (12) is connected with the connecting part of the limiting hole (14) in an inserting mode, and the outer surface of the limiting rod (12) is tightly attached to the inner surface of the limiting gear (9).

5. The adjustable-inclination abdominal muscle plate as set forth in claim 2, wherein: the rear end fixedly connected with slider (15) on gag lever post (12) surface, spout (16) have been seted up at the back of framework (4) inner chamber, the surface of slider (15) and the internal surface sliding connection of spout (16).

6. The adjustable-inclination abdominal muscle plate according to claim 1, wherein: the rear end fixedly connected with connecting rod (17) of backplate (2), the one end fixedly connected with bull stick (18) of backplate (2) are kept away from in connecting rod (17), the left and right sides cover of bull stick (18) surface is equipped with lag (19).

7. The adjustable-inclination abdominal muscle plate according to claim 1, wherein: the equal fixedly connected with actuating lever (20) in both ends around threaded rod (5) surface, the length of actuating lever (20) is five centimetres.

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