CN219517682U - Arm strength training device - Google Patents

Abstract

The utility model relates to an arm strength training device, which belongs to the technical field of fitness equipment and comprises a strong spring and grips fixedly arranged at two ends of the strong spring, wherein an axial groove is formed in one side of the grips far away from the strong spring, an installation block is connected to the inner side of the axial groove in a sliding manner, a safety rope sleeve is fixedly arranged at one end of the installation block far away from the strong spring, a radial groove communicated with the axial groove is formed in the opposite direction of the grips, an ejector piece is connected to the inner side of the radial groove in a sliding manner, the installation block is connected with the ejector piece through a position adjusting component, a locking component is arranged on the installation block, and a marking layer is arranged on the surface of the installation block. According to the utility model, the discomfort caused by holding the handle by a user during ejection of the ejection piece is utilized, so that the user is promoted to wear the safety rope sleeve when exercising the arm strength, and the safety performance of the arm strength training device is improved.

Description

Arm strength training device

Technical Field

The utility model belongs to the technical field of body-building apparatuses, and particularly relates to an arm strength training device.

Background

The arm strength rod is also called as arm strength training device, and is composed of a strong spring and handles fixed at two ends of the strong spring. When the arm strength bar is used, the spring is bent through the handle, so that the effect of exercising the small arm muscles and the biceps brachii muscle is achieved.

In the process of using the arm strength rod to exercise the upper limb muscles, the powerful spring can automatically rebound due to the reasons of hand sliding or force release and the like, and the risk of hurting people exists. Therefore, the safety rope is fixed at the end part of the arm strength rod grip in the prior art, and the safety rope is sleeved on the wrist or the arm before a user exercises, so that the upper limb of the user can still restrain the rebound of the spring under the condition of hand slip or force release, and the safety performance of the arm strength rod is improved. However, in the case where the safety awareness of the arm power wand user is low or the method of using the arm power wand is not known in detail, the user can easily ignore the effect of the safety cord even if buying the arm power wand with the safety cord, and the user may not wear the safety cord when using the arm power wand. Thus, the safety rope acts like a dummy, and the user cannot be aware of the importance of the safety rope by the arm strength rod with the safety rope, so that the existing arm strength rod still has a space for improving the safety performance.

Disclosure of Invention

The present utility model has been made to solve the above-mentioned problems, and an object of the present utility model is to provide an arm strength training device that can promote the user to recognize the action of a safety rope.

The utility model realizes the above purpose through the following technical scheme:

the utility model provides an arm strength trainer, includes powerful spring and the fixed handle that sets up at powerful spring both ends, axial groove has been seted up to one side that powerful spring was kept away from to the handle, the inboard sliding connection of axial groove has the installation piece, and the installation piece is kept away from powerful spring's one end fixedly provided with safety rope sleeve, the subtend is provided with the radial groove of axial groove intercommunication on the handle, the inboard sliding connection of radial groove has an ejecting, the installation piece passes through position control subassembly and links to each other with ejecting, be provided with locking Assembly on the installation piece, the surface of installation piece is provided with the sign layer.

As a further optimization scheme of the utility model, one side of the ejection piece facing the axis of the grip is provided with the accommodating groove, the position adjusting assembly comprises two mounting plates fixedly connected to the middle part of the axial groove, and a first ejection spring is fixedly arranged between the mounting plates and the accommodating groove of the ejection piece.

As a further optimization scheme of the utility model, one end of the mounting block, which is close to the strong spring, is fixedly connected with a limiting rod, and the limiting rod is propped against the mounting plate, which is far away from the strong spring.

As a further optimization scheme of the utility model, the position adjusting assembly further comprises fixed pulleys and traction ropes, wherein the fixed pulleys and the traction ropes are in one-to-one correspondence with the ejection pieces, the fixed pulleys are in rotary connection with the inner wall of the handle, one end of each traction rope is fixedly connected with the mounting block, the other end of each traction rope bypasses one fixed pulley and is fixedly connected in the accommodating groove of one ejection piece, the number of the first ejection springs at two ends of the mounting plate is two, the two first ejection springs at one end of the mounting plate are positioned at two sides of one traction rope, and the two first ejection springs at the other end of the mounting plate are positioned at two sides of the other traction rope.

As a further optimization scheme of the utility model, the position adjusting assembly further comprises a rotating shaft arranged between the two mounting plates, the rotating shaft is rotationally connected to the inner side wall of the grip, the middle part of the rotating shaft is fixedly connected with a first gear, two sides of the first gear are respectively connected with a first rack in a meshed manner, two first racks are respectively and fixedly connected in the accommodating grooves of the two ejection pieces, one side of the first gear is provided with a second gear which is fixedly connected to the rotating shaft, one end of the mounting block, which is close to the powerful spring, is fixedly connected with a second rack meshed with the second gear, the number of the first ejection springs at two ends of the mounting plate is one, the first ejection springs are positioned in the middle part of the mounting plate, and the second rack is positioned at one side of the first ejection springs.

As a further optimization scheme of the utility model, the inner side of the accommodating groove is fixedly provided with a sliding rail, a first rack fixed in one accommodating groove is in sliding connection with the sliding rail in the other accommodating groove, the inner wall of the handle is fixedly connected with a limiting frame, and a second rack is in sliding connection with the limiting frame.

As a further optimization scheme of the utility model, the locking assembly comprises a sliding groove which is oppositely arranged on the side wall of the mounting block, the inner side of the sliding groove is connected with a sliding block in a sliding manner, a second ejection spring is fixedly arranged between the sliding block and the sliding groove, and a through hole corresponding to the sliding groove is formed in the identification layer.

As a further optimization scheme of the utility model, the locking assembly comprises a shaft sleeve and a pin shaft which is connected to the inner side of the shaft sleeve in a sliding way, the shaft sleeve is oppositely arranged at one end of the grip far away from the powerful spring, the mounting block is provided with a pin hole corresponding to the pin shaft, and the identification layer is provided with a through hole corresponding to the pin hole.

As a further optimization scheme of the utility model, one side of the ejection piece, which is far away from the axis of the handle, is a tip end part, the thickness of the tip end part gradually decreases from one end, which is close to the axis of the handle, to one end, which is far away from the axis of the handle, of the ejection piece, the tip end part is straight or zigzag, a first notch is formed in one end, which is close to the axis of the handle, of the front side and the rear side of the ejection piece, and a second notch is formed in one end, which is far away from the powerful spring, of the ejection piece.

As a further optimization scheme of the utility model, the inner side of the handle is provided with a convex rib, and the side wall of the mounting block is provided with a groove corresponding to the convex rib.

The utility model has the beneficial effects that:

1) When the ejection piece is ejected, a user holds the handle with uncomfortable feeling, the uncomfortable feeling forces the user to search for a method for taking the ejection piece into the radial groove, after the user pulls the safety rope sleeve, the installation block takes the ejection piece into the radial groove through the position adjusting component, the image-text mark for reminding the user to wear the safety rope sleeve is arranged on the mark layer, and when the installation block slides out, the mark layer can reflect the eye curtain, so that the user realizes the effect of the safety rope sleeve, the user is prompted to wear the safety rope sleeve when exercising arm strength, and the safety performance of the arm strength training device is improved;

2) According to the arm strength training device, the mounting block and the ejection piece are locked in position through the locking assembly, when the ejection piece is taken in the radial groove, the sliding groove is just exposed outside, the second ejection spring can automatically eject the sliding block from the sliding groove, so that the mounting block and the ejection piece are locked rapidly, when a user is in the arm strength training device, the ejection piece can be restored to the ejection state by pressing the sliding block after the arm strength training device is used, and therefore other users can be reminded by the arm strength training device, and potential safety hazards caused by the fact that the other users do not wear safety ropes in the arm strength training process are prevented.

Drawings

FIG. 1 is a schematic overall structure of a first embodiment of the present utility model;

FIG. 2 is a schematic view showing the first embodiment of the present utility model when the ejector is received in the radial slot;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view showing the internal structure of the grip according to the first embodiment of the present utility model;

FIG. 5 is a schematic view showing the internal structure of a grip according to a second embodiment of the present utility model;

FIG. 6 is a perspective view of a position adjustment assembly according to a second embodiment of the present utility model;

FIG. 7 is a perspective view of a locking assembly in a third embodiment of the utility model;

fig. 8 is an enlarged view at B in fig. 7;

FIG. 9 is a schematic view of the structure of the ejector of the present utility model with a straight tip portion;

FIG. 10 is a schematic view of the structure of the ejector of the present utility model with zigzag tip portions;

FIG. 11 is a side view of a ribbed grip of the present utility model.

In the figure: 1. a strong spring; 2. a grip; 3. an axial groove; 4. a mounting block; 5. a safety rope sleeve; 6. a radial groove; 7. an ejector; 8. an identification layer; 9. a receiving groove; 10. a mounting plate; 11. a first ejection spring; 12. a limit rod; 13. a fixed pulley; 14. a traction rope; 15. a rotating shaft; 16. a first gear; 17. a first rack; 18. a second gear; 19. a second rack; 20. a slide rail; 21. a limiting frame; 22. a chute; 23. a slide block; 24. a second ejection spring; 25. a shaft sleeve; 26. a pin shaft; 27. a pin hole; 28. a tip portion; 29. a first notch; 30. a second notch; 31. a rib.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the utility model only and is not to be construed as limiting the scope of the utility model, as various insubstantial modifications and adaptations of the utility model to those skilled in the art can be made in light of the foregoing disclosure.

First embodiment

As shown in fig. 1-4, an arm strength training device comprises a strong spring 1 and grips 2 fixedly arranged at two ends of the strong spring 1, a user holds the two grips 2 to bend the strong spring 1, exercises arm strength, an axial groove 3 is formed in one side, far away from the strong spring 1, of the grips 2, a mounting block 4 is connected to the inner side of the axial groove 3 in a sliding mode, a safety rope sleeve 5 is fixedly arranged at one end, far away from the strong spring 1, of the mounting block 4, radial grooves 6 are oppositely arranged on the grips 2, ejector pieces 7 are slidingly connected to the inner side of the radial grooves 6, the mounting block 4 is connected with the ejector pieces 7 through a position adjusting component, a locking component is arranged on the mounting block 4, an identification layer 8 is arranged on the surface of the mounting block 4, under the condition that the ejector pieces 7 are in an ejection state, the user holds the grips 2 in a non-comfortable mode, the strong spring 1 is difficult to bend, the non-comfortable mode forces the user to find a method for taking the ejector pieces 7 into the radial grooves 6, after the user pulls the safety rope sleeve 5, the mounting block 4 slides out of the axial groove 3 on the side, the mounting block 4 is oppositely arranged on the grip 2, the mounting block 4 is communicated with the radial grooves 6, an ejector piece 4 is connected with the radial groove 6 in a sliding mode, an ejector piece 7 is connected with the inner side of the safety rope sleeve through the radial groove, an ejector piece through the locking component, an identification layer 8 is arranged on the side of the safety rope sleeve, and the safety rope sleeve is printed on the safety rope sleeve, and the safety sleeve is simultaneously, the safety sleeve is used for the user.

The holding groove 9 has been seted up towards one side of handle 2 axle center to ejecting piece 7, and the position control subassembly includes two mounting panels 10 of fixed connection at axial groove 3 middle part, fixedly is provided with first ejection spring 11 between mounting panel 10 and ejecting piece 7's holding groove 9, and when the installation piece 4 did not slide out axial groove 3, first ejection spring 11 cooperated mounting panel 10 was ejecting piece 7 from radial groove 6.

One end of the mounting block 4, which is close to the strong spring 1, is fixedly connected with a limiting rod 12, the limiting rod 12 is propped against the mounting plate 10, which is far away from the strong spring 1, the mounting block 4 is limited by the limiting rod 12, and when the ejection piece 7 slides under the action of external force, the ejection piece 7 pulls the mounting block 4 and the safety rope sleeve 5 on the mounting block 4 into the deep part of the axial groove 3 through the position adjusting component.

The position adjusting assembly further comprises fixed pulleys 13 and traction ropes 14 which are in one-to-one correspondence with the ejection pieces 7, the fixed pulleys 13 are rotationally connected with the inner wall of the grip 2, one ends of the traction ropes 14 are fixedly connected with the mounting blocks 4, the other ends of the traction ropes 14 bypass one fixed pulley 13 and are fixedly connected in the accommodating groove 9 of one ejection piece 7, the number of the first ejection springs 11 at two ends of the mounting plate 10 is two, the two first ejection springs 11 at one end of the mounting plate 10 are located on two sides of one traction rope 14, the two first ejection springs 11 at the other end of the mounting plate 10 are located on two sides of the other traction rope 14, and when a user pulls the mounting blocks 4 through the safety rope sleeve 5, the mounting blocks 4 pull the ejection pieces 7 into the radial groove 6 through the fixed pulleys 13 in a matching manner.

The locking assembly comprises a sliding groove 22 which is oppositely arranged on the side wall of the mounting block 4, a sliding block 23 is connected to the inner side of the sliding groove 22 in a sliding way, a second ejection spring 24 is fixedly arranged between the sliding block 23 and the sliding groove 22, a through hole corresponding to the sliding groove 22 is formed in the identification layer 8, when the ejection piece 7 is taken in the radial groove 6, the sliding groove 22 is just exposed to the outside, the sliding block 23 is automatically ejected out of the sliding groove 22 by the second ejection spring 24, the mounting block 4 is limited to slide into the axial groove 3, so that the ejection piece 7 is kept in a state of being taken in the radial groove 6 when the arm strength training device is used, a user can restore the ejection piece 7 to an ejection state after the exercise is finished, specifically, the user pushes the sliding block 23 into the sliding groove 22, limit of the ejection piece 7 is released, the ejection piece 7 is ejected out of the radial groove 6 under the action of the first ejection spring 11, and meanwhile, the ejection piece 7 is matched with the fixed pulley 13 through a traction rope 14 to pull the mounting block 4 into the axial groove 3, so that the arm strength training device can remind other users, and the other users can be prevented from wearing the rope sleeve 5 in an unsafe exercise process.

The side of the ejection piece 7 far away from the axis of the grip 2 is provided with a tip end 28, the thickness of the tip end 28 gradually decreases from one end close to the axis of the grip 2 to one end far away from the axis of the grip 2, as shown in fig. 9 and 10, the shape of the tip end 28 is straight or zigzag, under the condition that a user does not draw the ejection piece 7 into the radial groove 6, the ejection piece 7 with the zigzag tip end 28 can generate stronger uncomfortable feeling for the user, the user is further prompted to find a correct using method of the arm strength training device, the front side and the rear side of the ejection piece 7 are provided with first notches 29 near the axis of the grip 2, interference between the ejection piece 7 and a position adjusting component is avoided through the arrangement of the first notches 29, the end of the ejection piece 7 far away from the strong spring 1 is provided with second notches 30, and the second notches 30 prevent the ejection piece 7 and the limiting rod 12 from interfering with each other.

Referring to fig. 11, a rib 31 is disposed on the inner side of the grip 2, a groove corresponding to the rib 31 is disposed on the side wall of the mounting block 4, the mounting block 4 is limited by the cooperation of the rib 31 and the groove, damage to the position adjusting component caused by torsion of the mounting block 4 is avoided, the mounting block 4 can be made into a prism shape, and meanwhile, the shape of the axial groove 3 can be correspondingly formed into a prism shape, so that torsion of the mounting block 4 can be limited at the moment, and the position adjusting component is protected.

Second embodiment

As shown in fig. 5 and 6, the difference between the present embodiment and the first embodiment is that the mechanical structure of the position adjusting assembly is different from that of the first embodiment, the position adjusting assembly includes two mounting plates 10 fixedly connected to the middle of the axial slot 3, a first ejection spring 11 is fixedly disposed between the mounting plates 10 and the accommodating slot 9 of the ejection member 7, the position adjusting assembly further includes a rotating shaft 15 disposed between the two mounting plates 10, the rotating shaft 15 is rotatably connected to the inner side wall of the grip 2, a first gear 16 is fixedly connected to the middle of the rotating shaft 15, two sides of the first gear 16 are respectively engaged with a first rack 17, two first racks 17 are respectively fixedly connected to the accommodating slots 9 of the two ejection members 7, one side of the first gear 16 is provided with a second gear 18, the second gear 18 is fixedly connected to the rotating shaft 15, one end of the mounting block 4 close to the powerful spring 1 is fixedly connected with a second rack 19 engaged with the second gear 18, the number of the first ejection springs 11 at two ends of the mounting plates 10 is one, the first ejection springs 11 are located at the middle of the mounting plates 10, the second ejection springs 19 are located at one side of the first ejection springs 11, and the two first racks 4 are located at one side of the first ejection springs 11, when the first racks 4 are pulled by the first racks 4 and the second racks 16 are engaged with the first racks 16, and the first racks 16 through the first racks 4 and the first racks 16 are pulled by the first racks 4 and the second racks 16, and the first racks 4 are engaged with the second racks 18, and the first racks 18 are driven by the first racks and the first racks 16 through the first racks and 16 and the first racks and 16 through the first racks and 16.

The inner side of the accommodating groove 9 is fixedly provided with a sliding rail 20, the first rack 17 fixed in one accommodating groove 9 is in sliding connection with the sliding rail 20 in the other accommodating groove 9, the inner wall of the handle 2 is fixedly connected with a limiting frame 21, the second rack 19 is in sliding connection with the limiting frame 21, and the sliding rail 20 and the limiting frame 21 limit the first rack 17 and the second rack 19 respectively.

Third embodiment

As shown in fig. 7 and 8, the difference between the present embodiment and the first embodiment is that the mechanical structure of the locking assembly is different, the locking assembly includes a sleeve 25 and a pin 26 slidably connected to the inner side of the sleeve 25, the sleeve 25 is disposed opposite to one end of the grip 2 far away from the strong spring 1, a pin hole 27 corresponding to the pin 26 is formed on the mounting block 4, a through hole corresponding to the pin hole 27 is formed on the identification layer 8, when the ejector 7 is received in the radial slot 6, the pin hole 27 is just leaked outside, the pin 26 is embedded into the pin hole 27 by a user, thereby locking the mounting block 4, and further, the mounting block 4 limits the ejector 7 through the position adjusting assembly, so that the ejector 7 is kept in a state of being received in the radial slot 6.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (10)

1. The utility model provides an arm strength trainer, includes powerful spring (1) and fixed handle (2) that set up at powerful spring (1) both ends, its characterized in that: the utility model discloses a handle, including powerful spring (1) and handle, handle (2), axial groove (3) have been seted up to one side that powerful spring (1) was kept away from, axial groove (3) inboard sliding connection has installation piece (4), and the one end that powerful spring (1) was kept away from to installation piece (4) is fixed to be provided with safety rope sleeve (5), the subtend is provided with radial groove (6) with axial groove (3) intercommunication on handle (2), radial groove (6) inboard sliding connection has ejection piece (7), installation piece (4) pass through position control subassembly and are linked to each other with ejection piece (7), be provided with locking Assembly on installation piece (4), the surface of installation piece (4) is provided with sign layer (8).

2. An arm strength training apparatus as claimed in claim 1, wherein: the push-out piece (7) is provided with a containing groove (9) towards one side of the axis of the grip (2), the position adjusting assembly comprises two mounting plates (10) fixedly connected to the middle of the axial groove (3), and a first push-out spring (11) is fixedly arranged between the mounting plates (10) and the containing groove (9) of the push-out piece (7).

3. An arm strength training apparatus as claimed in claim 2, wherein: one end of the mounting block (4) close to the strong spring (1) is fixedly connected with a limiting rod (12), and the limiting rod (12) is propped against the mounting plate (10) far away from the strong spring (1).

4. An arm strength training apparatus as claimed in claim 2, wherein: the position adjusting assembly further comprises fixed pulleys (13) and traction ropes (14) which are in one-to-one correspondence with the ejection pieces (7), the fixed pulleys (13) are rotationally connected with the inner wall of the handle (2), one end of each traction rope (14) is fixedly connected with the corresponding mounting block (4), and the other end of each traction rope (14) bypasses one fixed pulley (13) and is fixedly connected in the accommodating groove (9) of one ejection piece (7).

5. An arm strength training apparatus as claimed in claim 2, wherein: the position adjusting assembly further comprises a rotating shaft (15) arranged between the two mounting plates (10), the rotating shaft (15) is rotationally connected to the inner side wall of the handle (2), a first gear (16) is fixedly connected to the middle of the rotating shaft (15), first racks (17) are connected to two sides of the first gear (16) in a meshed mode, the two first racks (17) are respectively and fixedly connected to the accommodating grooves (9) of the two ejection pieces (7), a second gear (18) is arranged on one side of the first gear (16), the second gear (18) is fixedly connected to the rotating shaft (15), and a second rack (19) meshed with the second gear (18) is fixedly connected to one end, close to the strong spring (1), of the mounting block (4).

6. An arm strength training apparatus as claimed in claim 5, wherein: the novel handle is characterized in that a sliding rail (20) is fixedly arranged on the inner side of the accommodating groove (9), a first rack (17) fixed in one accommodating groove (9) is in sliding connection with the sliding rail (20) in the other accommodating groove (9), a limiting frame (21) is fixedly connected to the inner wall of the handle (2), and a second rack (19) is in sliding connection with the limiting frame (21).

7. An arm strength training apparatus according to any one of claims 4 to 6, wherein: the locking assembly comprises a sliding groove (22) which is oppositely arranged on the side wall of the mounting block (4), a sliding block (23) is connected to the inner side of the sliding groove (22) in a sliding mode, a second ejection spring (24) is fixedly arranged between the sliding block (23) and the sliding groove (22), and a through hole corresponding to the sliding groove (22) is formed in the identification layer (8).

8. An arm strength training apparatus according to any one of claims 4 to 6, wherein: the locking assembly comprises a shaft sleeve (25) and a pin shaft (26) which is connected to the inner side of the shaft sleeve (25) in a sliding mode, the shaft sleeve (25) is arranged at one end, far away from the strong spring (1), of the grip (2) in an opposite mode, a pin hole (27) corresponding to the pin shaft (26) is formed in the mounting block (4), and a through hole corresponding to the pin hole (27) is formed in the identification layer (8).

9. An arm strength training apparatus according to any one of claims 4 to 6, wherein: the side of ejection piece (7) keeping away from handle (2) axle center is tip portion (28), the thickness of tip portion (28) reduces gradually from the one end that is close to handle (2) axle center to the one end that keeps away from handle (2) axle center, the shape of tip portion (28) is straight shape or zigzag, first breach (29) have been seted up to the one end that is close to handle (2) axle center in both sides around ejection piece (7), second breach (30) have been seted up to the one end that ejection piece (7) kept away from powerful spring (1).

10. An arm strength training apparatus according to any one of claims 4 to 6, wherein: the inner side of the handle (2) is provided with a convex rib (31), and the side wall of the mounting block (4) is provided with a groove corresponding to the convex rib (31).