CN114470628B

CN114470628B - Household body-building barbell capable of preventing hands from falling off

Info

Publication number: CN114470628B
Application number: CN202210173041.5A
Authority: CN
Inventors: 石昊天; 邰雨峰; 于海生
Original assignee: Jilin Institute of Physical Education
Current assignee: Jilin Institute of Physical Education
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-11-04
Anticipated expiration: 2042-02-24
Also published as: CN114470628A

Abstract

The invention discloses a household body-building barbell capable of preventing hands from falling off, and belongs to the technical field of household barbells. This prevent domestic body-building barbell of taking off hand includes: a barbell bar; the anti-falling box is sleeved on the barbell rod in a sliding manner, the outer surface of the rear side of the anti-falling box is fixedly connected with a rear-connection box, square holes are formed in the inner walls of two sides of the anti-falling box, and a bidirectional threaded rod is rotatably connected between the upper inner wall and the lower inner wall of each square hole; anticreep drive mechanism, anticreep drive mechanism is provided with two sets ofly, two sets of anticreep drive mechanism set up respectively in the upper and lower both sides of back box, this prevent the domestic body-building barbell of taking off the hand, the barbell pole is held to the inside that the operator hand stretched into the anticreep box, two sets of anticreep drive mechanism work drive two-way threaded rods simultaneously and rotate and make two laminating covers be close to each other, laminate mutually with operator's wrist, inside operator's hand can not break away from the anticreep box, the barbell pole can not break away from operator's hand, prevent that the barbell from falling and smashing operator foot or other people.

Description

Household body-building barbell capable of preventing hands from being taken off

Technical Field

The invention relates to the technical field of household barbells, in particular to a household fitness barbell capable of preventing hands from falling off.

Background

Barbells are a simple device for enhancing muscle strength training. Its main material is cast iron, and some are covered with a layer of rubber. The muscle training device is used for muscle strength training and muscle compound action training. The patient with low muscle strength caused by paralysis, pain, long-term inactivity and the like holds the barbell, and the weight of the barbell can be used for resisting active movement and training the muscle strength. A barbell may train a single muscle; if the weight is increased, the coordination of a plurality of muscles is needed, and the training can also be used as a muscle compound action training.

Current barbell is using the exercise in-process, because people in use hand can't avoid producing sweat, sweat direct contact to barbell takes place the condition of taking off the hand easily to injure exerciser foot or other people easily, very danger.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a household body-building barbell capable of preventing hands from being taken off, which can prevent the barbell for exercise from being thrown out by taking off the hands and prevent the barbell from falling down to injure the feet of an operator or other people.

2. Technical scheme

In order to solve the problems, the invention adopts the following technical scheme:

a household fitness barbell for preventing hands from falling off, comprising:

a barbell bar;

the anti-falling box is slidably sleeved on the barbell bar, the outer surface of the rear side of the anti-falling box is fixedly connected with a rear connection box, square holes are formed in the inner walls of two sides of the anti-falling box, and a bidirectional threaded rod is rotatably connected between the upper inner wall and the lower inner wall of each square hole;

the anti-falling transmission mechanisms are arranged in two groups, the two groups of anti-falling transmission mechanisms are respectively arranged on the upper side and the lower side of the rear connecting box, and each group of anti-falling transmission mechanisms is respectively connected with the corresponding bidirectional threaded rod;

the anti-drop driving mechanism is arranged in the rear connecting box; and

the two laminating sleeves are arranged, and each laminating sleeve is in threaded connection with the two bidirectional threaded rods.

As a preferable scheme of the invention, each group of the anti-falling transmission mechanisms comprises an external L-shaped box, two first synchronous gears, a first synchronous toothed belt, two first driving gears and a first driving toothed belt, the external L-shaped box is fixedly connected to the outer surface of one side of the anti-falling box, the two first driving gears are rotatably connected to the inner wall of one side of the external L-shaped box, one of the first driving gears is fixedly connected with the corresponding bidirectional threaded rod, the two first driving gears are in transmission connection with each other through the first driving toothed belt, one of the first synchronous gears is rotatably connected to the outer surface of one side of the anti-falling box, one of the first synchronous gears is fixedly connected with the corresponding first driving gear, the other first synchronous gear is rotatably connected to the outer surface of one side of the rear receiving box, and the two first synchronous gears are in transmission connection with each other through the first synchronous toothed belt.

As a preferable scheme of the invention, each group of anti-drop transmission mechanisms further comprises a fixing plate, each fixing plate is fixedly connected to the inner wall of one side of the corresponding external L-shaped box, and each fixing plate is rotatably connected with the corresponding two first driving gears.

As a preferable scheme of the present invention, the anti-drop driving mechanism includes an anti-drop motor, a main bevel gear and two slave bevel gears, the anti-drop motor is fixedly mounted on the outer surface of the rear side of the anti-drop box, the main bevel gear is rotatably connected to the inner wall of one side of the rear junction box, the two slave bevel gears are respectively rotatably connected to the upper and lower inner walls of the rear junction box, and each slave bevel gear is respectively and fixedly connected to the corresponding first synchronizing gear.

As a preferable scheme of the invention, the outer surfaces of two sides of the anti-drop box are fixedly connected with mounting blocks, the outer surface of the upper side and the outer surface of the lower side of each mounting block are fixedly connected with the mounting boxes, a transmission threaded rod is rotatably connected between the inner wall of one side of each mounting box and the outer surface of one side of the corresponding mounting block, each transmission threaded rod is in threaded connection with a transmission plate, and the outer surface of one side of each transmission plate is fixedly connected with a clamping rod.

As a preferred scheme of the present invention, the inner wall of one side of each mounting box and the outer surface of one side of the corresponding mounting block are fixedly connected with a limiting rod, and each driving plate is slidably sleeved on the corresponding limiting rod.

As a preferable scheme of the invention, a group of second driving gears is rotatably connected to the upper outer surface and the lower outer surface of each mounting block, two second driving gears are arranged in each group, one second driving gear in each group is fixedly sleeved on the corresponding transmission threaded rod, and the two second driving gears in each group are rotatably connected through a second driving toothed belt.

As a preferable scheme of the invention, a straight rod is rotatably connected inside each mounting block, each straight rod extends to two sides of the corresponding mounting block, each straight rod is fixedly connected with two corresponding second driving gears, the upper ends of the two straight rods are fixedly connected with second synchronizing gears, and the two second synchronizing gears are in transmission connection through second synchronizing toothed belts.

As a preferable scheme of the present invention, an upper connection box is fixedly connected to an upper outer surface of the anti-drop box, a dismounting motor is fixedly mounted to the upper outer surface of the upper connection box, an output end of the dismounting motor extends into the upper connection box, and an output end of the dismounting motor is fixedly connected to one of the second synchronizing gears.

As a preferable scheme of the invention, the barbell bar is fixedly sleeved with a positioning ring.

3. Advantageous effects

Compared with the prior art, the invention provides the household body-building barbell for preventing hands from falling off, which has the following beneficial effects:

(1) This prevent domestic body-building barbell of taking off hand, hold the barbell bar when the inside that the operator hand stretched into the anticreep box, work through control anticreep motor, make main bevel gear rotate, it is rotatory to drive two from bevel gear, every is followed bevel gear and all can be driven the anticreep drive mechanism work that corresponds, two sets of anticreep drive mechanism can two-way threaded rods simultaneously and rotate and make two laminating covers be close to each other, two laminating covers laminate mutually with operator's wrist, operator's hand can not break away from the inside of anticreep box, thereby make the barbell bar skid from operator's hand, the barbell bar also can not break away from operator's hand, prevent that the barbell from falling and injure operator's foot or other people by a crashing object.

(2) This prevent domestic body-building barbell of taking off hand, when starting dismouting motor, the dismouting motor drives two synchronous gear synchronous rotations of second, every second synchronous gear drives and corresponds the straight-bar and rotates, every straight-bar drives and corresponds two second drive gear rotations, every drive threaded rod all can rotate thereupon, two drive threaded rods that lie in on same installation piece turn to the same, the screw thread is opposite, make the driving plate on the same installation piece only can be close to each other or keep away from the motion each other, keep away from the motion each other when two driving plates, drive two kellies and keep away from each other, four kellies all break away from behind the barbell bar, can be very convenient take off the anticreep box from the barbell bar, thereby be convenient for barbell bar and anticreep box's carrying, and convenient to use.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a side perspective view of the present invention;

FIG. 3 is a cross-sectional view of the rear junction box of the present invention;

FIG. 4 is an enlarged view of the invention at A in FIG. 3;

FIG. 5 is a cross-sectional view of the circumscribed L-shaped box of the present invention;

FIG. 6 is a cross-sectional view of the mounting box of the present invention;

FIG. 7 is an exploded view of the barbell bar of the present invention;

fig. 8 is an exploded view of the upper junction box of the present invention.

The reference numbers in the figures illustrate:

1. a barbell bar; 2. an anti-drop box; 3. fitting the sleeve; 4. a rear connecting box; 5. an external L-shaped box; 6. positioning rings; 7. a top connection box; 8. disassembling and assembling the motor; 9. mounting blocks; 10. mounting a box; 11. a bidirectional threaded rod; 12. an anti-drop motor; 13. a main bevel gear; 14. a slave bevel gear; 15. a first synchronizing gear; 16. a first timing belt; 17. a first drive gear; 18. a first drive toothed belt; 19. a fixing plate; 20. a transmission threaded rod; 21. a drive plate; 22. a clamping rod; 23. a limiting rod; 24. a second drive gear; 25. a second drive toothed belt; 26. a straight rod; 27. a second synchronizing gear; 28. a second timing belt.

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. It is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the 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", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like 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 a specific case to those of ordinary skill in the art.

Example 1:

referring to fig. 1-5, a household health barbell for preventing hands from falling off comprises:

a barbell bar 1; the anti-falling device comprises an anti-falling box 2, wherein the anti-falling box 2 is slidably sleeved on the barbell bar 1, the outer surface of the rear side of the anti-falling box 2 is fixedly connected with a rear receiving box 4, square holes are formed in the inner walls of two sides of the anti-falling box 2, and a bidirectional threaded rod 11 is rotatably connected between the upper inner wall and the lower inner wall of each square hole; the anti-falling transmission mechanisms are arranged in two groups, the two groups of anti-falling transmission mechanisms are respectively arranged on the upper side and the lower side of the rear connecting box 4, and each group of anti-falling transmission mechanisms are respectively connected with the corresponding bidirectional threaded rod 11; the anti-drop driving mechanism is arranged in the rear receiving box 4; and the two sticking sleeves 3 are arranged, and each sticking sleeve 3 is in threaded connection with the two bidirectional threaded rods 11. Every anti-falling transmission mechanism of group all includes external L type box 5, two first synchronous gears 15, first synchronous toothed belt 16, two first drive gears 17 and first drive toothed belt 18, external L type box 5 fixed connection is in one side surface of anti-falling box 2, two first drive gears 17 all rotate to be connected in one side inner wall of external L type box 5, one of them first drive gear 17 and the 11 fixed connection of corresponding two-way threaded rod, connect through the transmission of first drive toothed belt 18 between two first drive gears 17, one of them first synchronous gear 15 rotates to be connected in one side surface of anti-falling box 2, and one of them first synchronous gear 15 with correspond first drive gear 17 fixed connection, another first synchronous gear 15 rotates to be connected in one side surface of rear junction box 4, connect through the transmission of first synchronous toothed belt 16 between two first synchronous gears 15. Every anticreep drive mechanism of group still all includes fixed plate 19, and every fixed plate 19 equal fixed connection is in one side inner wall that corresponds external L type box 5, and every fixed plate 19 all rotates with two first drive gear 17 of correspondence and is connected. The anti-drop driving mechanism comprises an anti-drop motor 12, a main bevel gear 13 and two slave bevel gears 14, the anti-drop motor 12 is fixedly arranged on the outer surface of the rear side of the anti-drop box 2, the main bevel gear 13 is rotationally connected with the inner wall of one side of the rear receiving box 4, the two slave bevel gears 14 are respectively rotationally connected with the upper inner wall and the lower inner wall of the rear receiving box 4, each slave bevel gear 14 is respectively and fixedly connected with a corresponding first synchronous gear 15, an operator holds the barbell bar 1 by stretching the hand into the anti-drop box 2, by controlling the operation of the anti-dropping motor 12, the main bevel gear 13 rotates to drive the two slave bevel gears 14 to rotate, each slave bevel gear 14 drives the corresponding first synchronizing gear 15 to rotate, in each group of anti-drop transmission mechanisms, a first synchronous gear 15 connected with a slave bevel gear 14 drives another first synchronous gear 15 to rotate through a first synchronous toothed belt 16, another first synchronous gear 15 drives a corresponding first driving gear 17 to rotate, the first driving gear 17 drives another first driving gear 17 to rotate through a first driving toothed belt 18, so that the corresponding two-way threaded rods 11 rotate along with the first driving gear 17, the two-way threaded rods 11 can drive the two fitting sleeves 3 to approach each other when rotating, the two fitting sleeves 3 are fitted with the wrist of an operator, the hand of the operator can not be separated from the inside of the anti-drop box 2, thereby leading the barbell bar 1 to slip from the hands of the operator, preventing the barbell bar 1 from separating from the hands of the operator, preventing the feet of the operator or other people from being hurt by falling of the barbell, when the anti-drop motor 12 drives the main bevel gear 13 to rotate reversely, two sets of anti-drop transmission mechanisms are driven to work through the two auxiliary bevel gears 14, the two bidirectional threaded rods 11 can be rotated to drive the two fitting sleeves 3 to be away from each other, and the hands of an operator can be pulled out of the anti-falling box 2.

Example 2:

referring to fig. 6 to 8, the outer surfaces of both sides of the anti-falling box 2 are fixedly connected with the mounting blocks 9, the outer surface of the upper side and the outer surface of the lower side of each mounting block 9 are fixedly connected with the mounting boxes 10, a transmission threaded rod 20 is rotatably connected between the inner wall of one side of each mounting box 10 and the outer surface of one side of the corresponding mounting block 9, a transmission plate 21 is in threaded connection with each transmission threaded rod 20, and a clamping rod 22 is fixedly connected with the outer surface of one side of each transmission plate 21. The inner wall of one side of every mounting box 10 and the equal fixedly connected with gag lever post 23 of one side surface that corresponds installation piece 9, every driving plate 21 all slip the cover and locate on corresponding gag lever post 23. The upside surface and the downside surface of every installation piece 9 all rotate and are connected with a set of second drive gear 24, and every second drive gear 24 of group all is provided with two, and one of them second drive gear 24 of every group all fixes the cover and locates on corresponding transmission threaded rod 20, all rotates through second drive cingulum 25 between two second drive gears 24 of every group and connects. The inside of each mounting block 9 is rotatably connected with a straight rod 26, each straight rod 26 extends to two sides of the corresponding mounting block 9, and each straight rod 26 is fixedly connected with the corresponding two second driving gears 24. The upper ends of the two straight rods 26 are fixedly connected with second synchronous gears 27, and the two second synchronous gears 27 are in transmission connection through second synchronous toothed belts 28. The upper outer surface of the anti-drop box 2 is fixedly connected with an upper connecting box 7, the upper outer surface of the upper connecting box 7 is fixedly provided with a dismounting motor 8, the output end of the dismounting motor 8 extends into the upper connecting box 7, the output end of the dismounting motor 8 is fixedly connected with one of the second synchronizing gears 27, a positioning ring 6 is fixedly sleeved on the barbell rod 1, two clamping rods 22 are inserted on each mounting block 9, two jacks for the clamping rods 22 to insert are formed in the barbell rod 1, the two clamping rods 22 on each mounting block 9 are inserted into the jacks, so that the anti-drop box 2 can be fixedly mounted on the barbell rod 1 through the two mounting blocks 9, when one mounting block 9 is attached to the positioning ring 6, the clamping rods 22 correspond to the jacks, when the dismounting motor 8 is started, the dismounting motor 8 drives the two second synchronizing gears 27 to synchronously rotate, each second synchronizing gear 27 drives the corresponding straight rod 26 to rotate, each straight rod 26 drives the corresponding two second driving gears 24 to rotate, each transmission rod 20 can rotate, two transmission turning threads 20 on the same mounting block 9 are opposite, so that the transmission block 9 drives the corresponding straight rod 26 to rotate, and the barbell rod 21 to be convenient for taking the barbell plate away from the barbell rod 1, and the barbell plate 2, and the barbell plate can be taken away from the barbell plate, and the barbell plate after the barbell plate 2 are convenient for taking.

The working principle is as follows: an operator's hand extends into the interior of the anti-falling box 2 to hold the barbell bar 1, the anti-falling motor 12 is started to drive the main bevel gear 13 to rotate, the main bevel gear 13 drives the two secondary bevel gears 14 to rotate, each secondary bevel gear 14 drives the corresponding first synchronous gear 15 to rotate, in each set of anti-falling transmission mechanisms, the first synchronous gear 15 connected with the secondary bevel gears 14 drives the other first synchronous gear 15 to rotate through the first synchronous toothed belt 16, the other first synchronous gear 15 drives the corresponding first driving gear 17 to rotate, the first driving gear 17 drives the other first driving gear 17 to rotate through the first driving toothed belt 18, the corresponding bidirectional threaded rod 11 rotates along with the first driving gear 17, the two bidirectional threaded rods 11 can drive the two fitting sleeves 3 to approach each other when rotating, the two fitting sleeves 3 are fitted to the wrist of the operator, the hand of the operator cannot be separated from the interior of the anti-falling box 2, so that the barbell bar 1 slips from the hand of the operator, the barbell bar 1 cannot be separated from the hand of the operator, the barbell is prevented from falling off or the hand of the operator or the foot of the operator is controlled by a wiring control device, and other people can not be controlled by a manual wiring control method, and the power supply and other people control device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.

Claims

1. A household fitness barbell for preventing hands from falling off, which is characterized by comprising:

a barbell bar (1);

the anti-falling device comprises an anti-falling box (2), wherein the anti-falling box (2) is slidably sleeved on a barbell bar (1), the outer surface of the rear side of the anti-falling box (2) is fixedly connected with a rear receiving box (4), square holes are formed in the inner walls of two sides of the anti-falling box (2), and a bidirectional threaded rod (11) is rotatably connected between the upper inner wall and the lower inner wall of each square hole;

anticreep drive mechanism, anticreep drive mechanism is provided with two sets ofly, and is two sets of anticreep drive mechanism sets up respectively in the upper and lower both sides of back connection box (4), every group anticreep drive mechanism is connected with corresponding two-way threaded rod (11) respectively, every group anticreep drive mechanism all includes external L type box (5), two first synchronizing gear (15), first synchronous cingulum (16), two first drive gear (17) and first drive cingulum (18), external L type box (5) fixed connection is in one side surface of anticreep box (2), two first drive gear (17) all rotate to be connected in one side inner wall of external L type box (5), one of them first drive gear (17) with correspond two-way threaded rod (11) fixed connection, two connect through first drive cingulum (18) transmission between first drive gear (17), one of them first synchronizing gear (15) rotate to be connected in one side surface of anticreep box (2), and one of them first synchronizing gear (15) with correspond first drive gear (17) fixed connection, another first synchronizing gear (15) rotate and connect in one side surface of the first synchronizing gear (15) and still connect between the box (19) and every first synchronous cingulum (15) and each other set of each other synchronous cingulum (16) are connected together The inner wall is connected with each fixing plate (19) and the corresponding two first driving gears (17) in a rotating mode;

the anti-falling driving mechanism is arranged inside the rear connecting box (4) and comprises an anti-falling motor (12), a main bevel gear (13) and two auxiliary bevel gears (14), the anti-falling motor (12) is fixedly installed on the outer surface of the rear side of the anti-falling box (2), the main bevel gear (13) is rotatably connected to the inner wall of one side of the rear connecting box (4), the two auxiliary bevel gears (14) are respectively rotatably connected to the upper inner wall and the lower inner wall of the rear connecting box (4), each auxiliary bevel gear (14) is respectively and fixedly connected with a corresponding first synchronous gear (15), the outer surfaces of the two sides of the anti-falling box (2) are respectively and fixedly connected with an installation block (9), the outer surface of the upper side and the outer surface of the lower side of each installation block (9) are respectively and fixedly connected with an installation box (10), a transmission threaded rod (20) is rotatably connected between the inner wall of one side of each installation box (10) and the outer surface of one side of the corresponding installation block (9), each transmission threaded rod (20) is in threaded connection with a clamping rod (22); and

the two-way threaded rod fixing device comprises two fitting sleeves (3), wherein the two fitting sleeves (3) are connected with the two-way threaded rods (11) in a threaded mode.

2. The home fitness barbell for preventing hands from falling off as claimed in claim 1, wherein: every one side inner wall of mounting box (10) and the equal fixedly connected with gag lever post (23) of one side surface that corresponds installation piece (9), every driving plate (21) is the sliding sleeve all to be located on corresponding gag lever post (23).

3. The home fitness barbell for preventing hands from falling off as claimed in claim 1, wherein: every the upside surface and the downside surface of installation piece (9) all rotate and are connected with a set of second drive gear (24), every group second drive gear (24) all are provided with two, one of them of every group second drive gear (24) all fixed cover is located and is corresponded transmission threaded rod (20), every two of every group all rotate through second drive cingulum (25) between second drive gear (24) and connect.

4. The home fitness barbell for preventing hands from falling off as claimed in claim 3, wherein: every the inside of installation piece (9) all rotates and is connected with straight-bar (26), every straight-bar (26) all extends to the both sides that correspond installation piece (9), every straight-bar (26) and two second drive gear (24) equal fixed connection that correspond, two the equal fixedly connected with second synchronizing gear (27) in upper end of straight-bar (26), two connect through the transmission of second synchronous cingulum (28) between second synchronizing gear (27).

5. The home fitness barbell for preventing hands from falling off as claimed in claim 4, wherein: connect box (7) on the upside fixed surface of anticreep box (2) is connected with, the upside fixed surface who goes up connect box (7) installs dismouting motor (8), the output of dismouting motor (8) extends to the inside of reaching connect box (7), and the output and one of them second synchronizing gear (27) fixed connection of dismouting motor (8).

6. The home fitness barbell for preventing hands from falling off as claimed in claim 1, wherein: the barbell rod (1) is fixedly sleeved with a positioning ring (6).