CN210229027U

CN210229027U - Adjustable arm strength device

Info

Publication number: CN210229027U
Application number: CN201921033795.0U
Authority: CN
Inventors: Zhidong Lou; 楼之栋
Original assignee: Jinhua Jinaolei Fitness Equipment Factory
Current assignee: Jinhua Jinaolei Fitness Equipment Factory
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-04-03
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses an adjustable arm strength device, including first rotor arm and with the first rotor arm second rotor arm that rotates alternately and be connected, the cross rotation junction of first rotor arm and second rotor arm all is provided with the connecting piece, and two connecting pieces rotate through the round pin axle respectively and are connected, the one end that first rotor arm and second rotor arm kept away from each other all is provided with the handle, the bottom side of first rotor arm and second rotor arm all is provided with the recess, is provided with tension spring in two recesses respectively, and the same chain of one end fixedly connected with that two tension springs are close to each other, and the one end difference fixed connection that two tension springs kept away from each other is on the recess is close to one side inner wall of handle. This adjustable strength of arm-force ware can be convenient for people and adjust the required strength that the strength ware was bent off with fingers and thumb according to the size of the required power of self, and adjusts easy operation, has made things convenient for people's use greatly.

Description

Adjustable arm strength device

Technical Field

The utility model relates to a body-building apparatus field especially relates to an adjustable strength of arm.

Background

The arm strength exerciser is also called a holding rod and is used for exercising arm muscle groups, mainly exercising arm strength and pectoral muscles and assisting in exercising wrist strength. The arm power exerciser is a sports apparatus for forearm wrist flexor. When in use, the spring is bent by two arms and is forcibly bent behind the neck; the two arms are forward, the spring is bent upwards and then released; the two arms are drawn together towards the chest, the spring is bent, and then the arms are stretched and slowly released.

However, in the prior art, the arm power device is inconvenient for people to adjust according to personal actual conditions, and the force required for bending the arm power device is different due to different force required by each person in reality, and the existing arm power device is inconvenient for people to adjust the force required for bending the arm power device according to the force required by the user, so that great inconvenience is brought to the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable arm strength device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable arm power exerciser comprises a first rotating arm and a second rotating arm in cross rotating connection with the first rotating arm, wherein connecting pieces are arranged at the cross rotating connection positions of the first rotating arm and the second rotating arm, the two connecting pieces are respectively in rotating connection through pin shafts, handles are arranged at the ends, far away from each other, of the first rotating arm and the second rotating arm, grooves are formed in the bottom sides of the first rotating arm and the second rotating arm, tension springs are arranged in the two grooves respectively, the ends, close to each other, of the two tension springs are fixedly connected with the same chain, and the ends, far away from each other, of the two tension springs are fixedly connected to the inner wall, close to the handle, of the groove respectively; the inboard cover of two connecting pieces is equipped with the fixed frame of a vertical setting, and two connecting pieces rotate with fixed frame through the round pin axle respectively and are connected, slide the cover along vertical direction in the fixed frame and be equipped with semi-circular adjustment disk, and the top counterbalance contact of chain and semi-circular adjustment disk, be provided with the bearing on the bottom inner wall of fixed frame, rotate on the bearing and install the screw rod, be equipped with the screw of vertical setting on the semi-circular adjustment disk, and the top of screw rod extends to in the screw hole and passes through screw thread transmission with the screw and be connected, be located and be provided with the through-hole on the bottom inner wall of the fixed frame of screw rod downside, and.

Preferably, an inner hexagonal slot for inserting an inner hexagonal tool is formed in the bottom end of the screw rod.

Preferably, the bearing is fixedly arranged on the inner wall of the bottom of the fixing frame, and the screw penetrates through the inner ring of the bearing and is fixedly connected with the inner ring of the bearing.

Preferably, the two sides of the disc surface of the semicircular adjusting disc are respectively provided with a sliding block, the inner walls of the two sides of the fixing frame are respectively provided with a sliding groove, and the sliding blocks are in sliding connection with the sliding grooves.

Preferably, the two connecting pieces are provided with pin holes, and the pin holes are matched with the pin shafts.

Preferably, the outer surfaces of the two handles are provided with anti-skid rubber sleeves.

Compared with the prior art, the beneficial effects of the utility model are that:

the adjustable arm strength device performs thread transmission on the screw rod through the screw hole in the semicircular adjusting disc, so that the semicircular adjusting disc can move up and down, when the semicircular adjusting disc moves upwards, the semicircular adjusting disc can lift the chain upwards, and the prestress and stretching amplitude of the two tension springs are reduced; when the semicircular adjusting plate moves downwards, the stretching amplitude of the two tension springs is reduced, the prestress is reduced, finally, people can adjust the force required by bending the arm strength according to the force required by the people, the adjusting operation is simple, and the use of the people is greatly facilitated.

Drawings

Fig. 1 is a schematic structural view of an adjustable arm exerciser according to the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the first rotating arm and the second rotating arm separated according to the present invention;

fig. 4 is the connecting structure schematic diagram of the middle fixing frame and the semicircular adjusting disk of the present invention.

In the figure: 1. a first rotation arm; 2. a second rotating arm; 3. a connecting member; 31. a pin hole; 4. a pin shaft; 5. a handle; 6. a fixing frame; 7. a semicircular adjusting disc; 8. a groove; 9. a tension spring; 10. a chain; 11. a through hole; 12. an inner hexagonal socket; 13. a screw; 14. a screw hole; 15. a bearing; 16. a slider; 17. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, an adjustable arm strength device comprises a first rotating arm 1 and a second rotating arm 2 which is in cross rotation connection with the first rotating arm 1, wherein the cross rotation connection between the first rotating arm 1 and the second rotating arm 2 is provided with a connecting piece 3, the two connecting pieces 3 are respectively in rotation connection through a pin shaft 4, the ends, far away from each other, of the first rotating arm 1 and the second rotating arm 2 are provided with a handle 5, the bottom sides of the first rotating arm 1 and the second rotating arm 2 are provided with grooves 8, tension springs 9 are respectively arranged in the two grooves 8, the ends, far away from each other, of the two tension springs 9 are fixedly connected with the same chain 10, and the ends, far away from each other, of the two tension springs 9 are respectively fixedly connected to the inner wall of the groove 8, close to the handle 5; the inner sides of the two connecting pieces 3 are sleeved with a vertically arranged fixing frame 6, the two connecting pieces 3 are respectively rotatably connected with the fixing frame 6 through pin shafts 4, a semicircular adjusting disc 7 is slidably sleeved in the fixing frame 6 along the vertical direction, a chain 10 is abutted against and contacted with the top of the semicircular adjusting disc 7, a bearing 15 is arranged on the inner wall of the bottom of the fixing frame 6, a screw 13 is rotatably mounted on the bearing 15, a vertically arranged screw hole 14 is formed in the semicircular adjusting disc 7, the top end of the screw 13 extends into the screw hole 14 and is in threaded transmission connection with the screw hole 14, a through hole 11 is formed in the inner wall of the bottom of the fixing frame 6 positioned on the lower side of the screw 13, and the bottom end of the screw 13 is vertically arranged corresponding; according to the adjustable arm strength device, the semicircular adjusting disc 7 is in threaded transmission on the screw rod 13 through the screw hole 14, so that the semicircular adjusting disc 7 can move up and down, when the semicircular adjusting disc 7 moves upwards, the semicircular adjusting disc 7 can lift the chain 10 upwards, and the prestress and stretching amplitude of the two tension springs 9 are reduced; when the semicircular adjusting disk 7 moves downwards, the stretching amplitude of the two tension springs 9 is reduced, the prestress is reduced, finally, people can adjust the force required by bending the arm strength according to the force required by the people, the adjusting operation is simple, and the use of the people is greatly facilitated.

Specifically, an inner hexagonal socket 12 for inserting an inner hexagonal tool is disposed on the bottom end of the screw 13.

Specifically, the bearing 15 is fixedly arranged on the inner wall of the bottom of the fixed frame 6, and the screw 13 penetrates through the inner ring of the bearing 15 and is fixedly connected with the inner ring of the bearing 15.

Specifically, the two sides of the disk surface of the semicircular adjusting disk 7 are respectively provided with a sliding block 16, the inner walls of the two sides of the fixed frame 6 are respectively provided with a sliding groove 17, and the sliding blocks 16 are in sliding connection with the sliding grooves 17.

Specifically, the two connecting members 3 are provided with pin holes 31, and the pin holes 31 are matched with the pin shafts 4.

Specifically, both handles 5 are provided with an anti-slip rubber sleeve on the outer surface thereof.

When the wrist exerciser is used, the two hands of a user are respectively held on the handles 5 at the two ends, then the first rotating arm 1 and the second rotating arm 2 are rotated and bent, and then the two tension springs 9 are stretched, then are straightened, are slowly relaxed and are operated in a reciprocating mode, so that the arm strength of the user and the auxiliary wrist strength of the user can be exercised; when the force required by bending of the arm force exerciser needs to be adjusted, an inner hexagonal tool in life penetrates through the through hole 11 and is inserted into the inner hexagonal slot 12, then the screw 13 is driven to rotate on the bearing 15 through rotation of the inner hexagonal tool, the screw 13 rotates relative to the screw hole 14 on the semicircular adjusting disc 7 when rotating, and meanwhile the sliding blocks 16 on two sides of the semicircular adjusting disc 7 are respectively in sliding fit with the sliding grooves 17, so that when the screw 13 rotates, the semicircular adjusting disc 7 can be in threaded transmission on the screw 13 through the screw hole 14, the semicircular adjusting disc 7 can move up and down, when the semicircular adjusting disc 7 moves up, the semicircular adjusting disc 7 can lift up the chain 10, the prestress of the two tension springs 9 is reduced, and the stretching amplitude is increased; when the semicircular adjusting disk 7 moves downwards, the stretching amplitude of the two tension springs 9 is reduced, the prestress is reduced, finally, people can adjust the force required by bending the arm strength according to the force required by the people, the adjusting operation is simple, and the use of the people is greatly facilitated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An adjustable arm force device is characterized by comprising a first rotating arm (1) and a second rotating arm (2) which is in cross rotating connection with the first rotating arm (1), the crossed rotary joints of the first rotary arm (1) and the second rotary arm (2) are both provided with connecting pieces (3), the two connecting pieces (3) are respectively in rotary connection through pin shafts (4), handles (5) are arranged at the ends of the first rotating arm (1) and the second rotating arm (2) which are far away from each other, grooves (8) are respectively arranged at the bottom sides of the first rotating arm (1) and the second rotating arm (2), tension springs (9) are respectively arranged in the two grooves (8), one ends, close to each other, of the two tension springs (9) are fixedly connected with the same chain (10), and one ends, far away from each other, of the two tension springs (9) are fixedly connected to the inner wall of one side, close to the handle (5), of the groove (8) respectively; the inner sides of the two connecting pieces (3) are sleeved with a vertically arranged fixing frame (6), and the two connecting pieces (3) are respectively connected with the fixed frame (6) through the pin shaft (4) in a rotating way, a semicircular adjusting disc (7) is sleeved in the fixed frame (6) in a sliding way along the vertical direction, the chain (10) is propped against the top of the semicircular adjusting disc (7), the inner wall of the bottom of the fixed frame (6) is provided with a bearing (15), a screw rod (13) is rotatably arranged on the bearing (15), a screw hole (14) which is vertically arranged is arranged on the semicircular adjusting disc (7), and the top end of the screw rod (13) extends into the screw hole (14) and is in transmission connection with the screw hole (14) through threads, a through hole (11) is formed in the inner wall of the bottom of the fixing frame (6) on the lower side of the screw rod (13), and the bottom end of the screw rod (13) is vertically and correspondingly arranged with the through hole (11).

2. The adjustable arm exerciser according to claim 1, wherein the screw (13) has a socket head socket (12) at the bottom for inserting a socket head tool.

3. An adjustable arm exerciser according to claim 1, wherein the bearing (15) is fixedly mounted on the bottom inner wall of the stationary frame (6), and the threaded rod (13) extends through the inner race of the bearing (15) and is fixedly connected to the inner race of the bearing (15).

4. The adjustable arm exerciser according to claim 1, wherein the semicircular adjusting disk (7) is provided with sliding blocks (16) on both sides of the disk surface, the fixed frame (6) is provided with sliding grooves (17) on both inner walls, and the sliding blocks (16) are slidably connected with the sliding grooves (17).

5. An adjustable arm exerciser according to claim 1, wherein the two connecting members (3) are provided with pin holes (31), and the pin holes (31) are matched with the pin shafts (4).

6. An adjustable arm exerciser according to claim 1, wherein the handles (5) are provided with anti-slip rubber covers on their outer surfaces.