CN217661282U

CN217661282U - Dumbbell with prevent that weight plate drops function

Info

Publication number: CN217661282U
Application number: CN202123348319.8U
Authority: CN
Inventors: 陈曹顺
Original assignee: Nantong Tianlong Sporting Goods Co ltd
Current assignee: Nantong Tianlong Sporting Goods Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-10-28
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a dumbbell with prevent that weight plate drops function, including holding rod, weight plate, the side surface fixedly connected with limiting plate of holding rod, the equal threaded connection in the side of controlling that the side surface of holding rod just is located two limiting plates has fastening nut, the two-way electric putter of inside fixedly connected with of holding rod. The utility model discloses, through setting up the ejector pin, the roof, can carry out spacing fastening with the bell piece of installing on the holding rod, also can carry out spacing fastening to fastening nut when installing less bell piece simultaneously, guarantee that bell piece and fastening nut can not take place gliding phenomenon, through setting up the pressure spring, the connecting plate, can resume original position with outside ejecting roof, make things convenient for the bell piece to install on the holding rod, improve the device's practicality, through setting up this dumbbell, not only can avoid the phenomenon that the bell piece drops, and it is also more convenient when carrying out spacing fixing to the bell piece, the simultaneous operation is also fairly simple.

Description

Dumbbell with prevent that bell piece drops function

Technical Field

The utility model relates to a body-building apparatus technical field especially relates to a dumbbell with prevent that weight plate drops function.

Background

Dumbbells are a simple device used for strengthening muscle strength training. The main material of the training device is cast iron, and some materials are coated with a layer of rubber, so that the training device is used for muscle strength training and muscle compound action training. For patients with low muscle strength caused by paralysis, pain, long-term inactivity and the like in exercise, the dumbbell can be held by hands, resistance active exercise can be performed by using the weight of the dumbbell, the muscle strength is trained, and single muscle can be trained by the dumbbell; 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.

At present, most of existing dumbbells fix the weight plates on the dumbbell rod through the fastening nuts, but when the dumbbell is used by a person, the dumbbell plates and the fastening nuts can slide and fall off, and then the dumbbell with the weight plate falling prevention function is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a dumbbell with a function of preventing a dumbbell piece from falling off.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a dumbbell with prevent that barbell piece drops function, includes holding rod, barbell piece, the side surface fixedly connected with limiting plate of holding rod, the equal threaded connection in the side of controlling that the side surface of holding rod just is located two limiting plates has fastening nut, the two-way electric putter of inside fixedly connected with of holding rod, the equal fixedly connected with ejector pin of two-way electric putter's output, the inside wall fixedly connected with pressure spring of holding rod, the one end fixedly connected with connecting plate of holding rod is kept away from to the pressure spring, the side surface fixedly connected with roof of connecting plate, the lateral surface fixedly connected with slipmat of roof.

As a further description of the above technical solution:

the outer side surface of the holding rod is provided with a through groove between the limiting plate and the fastening nut, and the top plate is located inside the through groove.

As a further description of the above technical solution:

the position of the bell plate is located between the limiting plate and the fastening nut, and the holding rod is connected with the bell plate through the limiting plate fastening nut and the top plate.

As a further description of the above technical solution:

the width of the ejector rod is larger than the distance between the two top plates.

As a further description of the above technical solution:

the diameter of one end of the ejector rod, which is far away from the bidirectional electric push rod, is smaller than the distance between the two top plates.

As a further description of the above technical solution:

the side surface of the holding rod is fixedly connected with a protection pad between the two limiting plates, and the protection pad is made of rubber.

As a further description of the above technical solution:

the material used by the non-slip mat is silica gel.

As a further description of the above technical solution:

and two ends of the holding rod are in threaded connection with fastening bolts, and the side surfaces of the fastening bolts are provided with through holes.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this dumbbell with prevent that weight plates from coming off function through setting up ejector pin, roof, can carry out spacing fastening with the weight plates of installing on the holding rod, also can carry out spacing fastening to fastening nut when installing less weight plates simultaneously, guarantees that weight plates and fastening nut can not take place gliding phenomenon.

2. Compared with the prior art, this dumbbell with prevent that weight plate drops function through setting up pressure spring, connecting plate, can resume original position with outside ejecting roof, makes things convenient for the installation of weight plate on the holding rod, improves the device's practicality.

3. Compared with the prior art, the dumbbell with the function of preventing the weight plates from falling off not only can avoid the phenomenon that the weight plates fall off, but also is convenient when the weight plates are limited and fixed, and is simple to operate.

Drawings

Fig. 1 is a schematic view of the overall structure of a dumbbell with a function of preventing a dumbbell piece from falling off, which is provided by the present invention;

fig. 2 is a schematic diagram of an internal structure of a dumbbell with a function of preventing a dumbbell piece from falling off according to the present invention;

fig. 3 is a front view of a dumbbell with a function of preventing a dumbbell piece from falling off according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a holding rod; 2. a weight plate; 3. a limiting plate; 4. fastening a nut; 5. a bidirectional electric push rod; 6. a top rod; 7. a pressure spring; 8. a connecting plate; 9. a top plate; 10. a non-slip mat; 11. fastening a bolt; 12. a through hole; 13. a protective pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model provides a dumbbell with prevent that the weight piece drops function: including holding rod 1, bell piece 2, holding rod 1's both ends threaded connection has fastening bolt 11, through-hole 12 has been seted up to fastening bolt 11's side surface, the inside and the external world of holding rod 1 of being convenient for are linked together, avoid holding rod 1 internal pressure too big, holding rod 1's side surface just is located fixedly connected with protection pad 13 between two limiting plates 3, the material that protection pad 13 used is rubber, make things convenient for personnel to hold holding rod 1, holding rod 1 passes through limiting plate 3 fastening nut 4 with bell piece 2, roof 9 is connected, bell piece 2's position is located between limiting plate 3 and fastening nut 4, holding rod 1's the outside just is located limiting plate 3, be provided with logical groove between fastening nut 4, it is ejecting to make things convenient for roof 9, the position of roof 9 is located the inside in logical groove.

Side surface fixedly connected with limiting plate 3 of holding rod 1, it is convenient to carry on spacingly to bell piece 2, the equal threaded connection in the left and right sides that the side surface of holding rod 1 just is located two limiting plates 3 has fastening nut 4, be convenient for with the two-way electric putter 5 of the inside fixedly connected with of the spacing fixed holding rod 1 of bell piece 2, as the flexible power supply of ejector pin 6, the equal fixedly connected with ejector pin 6 of output of two-way electric putter 5, the diameter that two-way electric putter 5 was kept away from to ejector pin 6 is less than the distance between two roof 9, make things convenient for ejector pin 6 to stretch into between two roof 9, make things convenient for roof 9 to outwards stretch out, the inside wall fixedly connected with pressure spring 7 of holding rod 1, the one end fixedly connected with connecting plate 8 of holding rod 1 is kept away from to pressure spring 7, the side surface fixedly connected with roof 9 of connecting plate 8, the lateral surface fixedly connected with slipmat 10 of roof 9, the material that slipmat 10 used is silica gel, certain frictional force and elasticity have, conveniently fasten bell piece 2.

Through setting up this structure, through ejector pin 6, roof 9, can carry out spacing fastening with installing 1 bell piece 2 on the holding rod, also can carry out spacing fastening to fastening nut 4 when installing less bell piece 2 simultaneously, guarantee that bell piece 2 can not take place gliding phenomenon with fastening nut 4, through pressure spring 7, connecting plate 8, can resume original position with outside ejecting roof 9, make things convenient for bell piece 2 to install on holding rod 1, improve the device's practicality.

The working principle is as follows: when using, take off fastening nut 4 from holding rod 1, install the weight plate 2 that needs to install on holding rod 1, install fastening nut 4 again, restart two-way electric putter 5, stretch out ejector pin 6 to the outside, stretch into between two roof 9 when ejector pin 6, two roof 9 can stretch out to the outside, through the inseparable laminating of slipmat 10 with weight plate 2, can increase frictional force between them, also can avoid weight plate 2 to slide simultaneously, drop, when weight plate 2 is less, also can reach certain fastening nature to fastening nut 4, when taking off weight plate 2 again, through taking off weight plate 2 again, resume original position between two roof 9 with ejector pin 6 through two-way electric putter 5, two roof 9 can resume original position through the elasticity performance of pressure spring 7, personnel take off fastening nut 4, it can to take off weight plate 2 again.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a dumbbell with prevent that weight plate drops function, includes holding rod (1), weight plate (2), its characterized in that: the utility model discloses a handle of a bicycle, including holding rod (1), the equal threaded connection in the left and right sides that the side surface of holding rod (1) just is located two limiting plates (3) has fastening nut (4), the two-way electric putter (5) of inside fixedly connected with of holding rod (1), the equal fixedly connected with ejector pin (6) of output of two-way electric putter (5), the inside wall fixedly connected with pressure spring (7) of holding rod (1), the one end fixedly connected with connecting plate (8) of holding rod (1) are kept away from in pressure spring (7), the side surface fixedly connected with roof (9) of connecting plate (8), the lateral surface fixedly connected with slipmat (10) of roof (9).

2. The dumbbell with the weight plate falling-off prevention function according to claim 1, characterized in that: the lateral surface of holding rod (1) just is located and is provided with logical groove between limiting plate (3), fastening nut (4), the position of roof (9) is located the inside that leads to the groove.

3. The dumbbell with the weight plate falling-off prevention function according to claim 1, characterized in that: the bell plate (2) is positioned between the limiting plate (3) and the fastening nut (4), and the holding rod (1) is connected with the bell plate (2) through the limiting plate (3), the fastening nut (4) and the top plate (9).

4. The dumbbell with the weight plate falling-off prevention function according to claim 1, characterized in that: the width of the ejector rod (6) is larger than the distance between the two top plates (9).

5. The dumbbell with the dumbbell piece falling-off prevention function according to claim 1, characterized in that: the diameter of one end of the ejector rod (6) far away from the bidirectional electric push rod (5) is smaller than the distance between the two top plates (9).

6. The dumbbell with the weight plate falling-off prevention function according to claim 1, characterized in that: the side surface of the holding rod (1) is fixedly connected with a protective pad (13) between the two limiting plates (3), and the protective pad (13) is made of rubber.

7. The dumbbell with the dumbbell piece falling-off prevention function according to claim 1, characterized in that: the non-slip mat (10) is made of silica gel.

8. The dumbbell with the dumbbell piece falling-off prevention function according to claim 1, characterized in that: two ends of the holding rod (1) are in threaded connection with fastening bolts (11), and through holes (12) are formed in the side surfaces of the fastening bolts (11).