CN213031755U

CN213031755U - Locking device capable of adjusting weight of dumbbell

Info

Publication number: CN213031755U
Application number: CN202021925036.8U
Authority: CN
Inventors: 翁高望
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-04-23
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a locking device of adjustable dumbbell weight, the electric iron comprises a handle, handle both ends fixed mounting has the handle end cover, handle end cover front end fixed mounting has the joint piece, and is rotatory the handle end cover and the joint piece that the handle can drive both ends are rotatory simultaneously, rotatory stopper is installed in the mounting groove through rotatory round pin is rotatable, install in the fixed slot spring upper end, its lower extreme is fixed in on the lug, joint piece joint is in the joint inslot. This locking device of adjustable dumbbell of weight, through setting up locking mechanical system, locking mechanical system includes spring and rotatory stopper, and the joint piece of rotatory stopper front end makes rotatory stopper clockwise rotation because the elasticity of spring keeps the joint to go into the joint inslot of joint piece, and the joint piece moves down this moment, breaks away from the joint groove on the joint piece, but this moment rotating handle to the removal axial handle direction in the drive handle removes, thereby can lift the dumbbell piece off, accomplishes weight adjustment.

Description

Locking device capable of adjusting weight of dumbbell

Technical Field

The utility model relates to an exercise fitness equipment technical field specifically is a locking device of adjustable dumbbell weight.

Background

The existing dumbbells in the market have dumbbells with fixed weight and dumbbells with adjustable weight; when using a dumbbell with a fixed weight, a user must prepare a set of dumbbells with different weight specifications to meet the use requirement.

The prior dumbbell with the weight adjustable function does not have a locking structure, namely, a dumbbell piece can fall off due to misoperation in the using process to injure a user, and the dumbbell with the locking mechanism is not easy to unlock due to the fact that the locking mechanism is not triggered by a matched appliance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking device of adjustable dumbbell weight to solve the dumbbell of the current adjustable weight that proposes in the above-mentioned background art, some do not have the locking structure, probably lead to the dumbbell piece to drop because of the maloperation promptly in the use, injure the user by a crashing object, and the part has locking mechanical system's dumbbell, because locking mechanical system does not have supporting utensil to trigger, is difficult for the technical problem of unblock.

In order to achieve the above object, the utility model provides a following technical scheme: a locking device capable of adjusting the weight of a dumbbell comprises a handle, wherein handle end covers are fixedly arranged at two ends of the handle, a clamping sheet is fixedly arranged at the front end of each handle end cover, the handle can be rotated to drive the handle end covers and the clamping sheets at the two ends to rotate simultaneously, the clamping sheet is in a disc shape, a plurality of clamping grooves are formed in the circumferential surface of the clamping sheet, a fixed seat is arranged at the front end of the clamping sheet, the front end of the fixed seat is fixedly connected with a dumbbell sheet mounting seat through bolts, a fixed shaft penetrates through the inside of the handle and extends to the outer side end face of the dumbbell sheet mounting seat and is in pin joint with the dumbbell sheet mounting seat, the end face of the fixed shaft is fixedly connected with an end cover through bolts, a mounting cavity is arranged at the lower end of the fixed seat, a mounting groove is formed in the inner side, locking mechanical system includes spring and rotatory stopper, rotatory stopper both ends are provided with rotatory round pin, rotatory stopper front side is provided with the lug, rotatory stopper rear side is provided with the joint piece, the terminal surface is provided with the recess under the rotatory stopper, rotatory stopper is rotatable through rotatory round pin and installs in the mounting groove, the spring upper end is installed in the fixed slot, and its lower extreme is fixed in on the lug, joint piece joint in the joint inslot.

Preferably, a plurality of dumbbell pieces are detachably mounted in the dumbbell piece mounting seat.

Preferably, a protruding unlocking pin is arranged on the base corresponding to the locking mechanism, and the unlocking pin can jack up the rotating limiting block to enable the clamping block to be separated from the clamping groove.

Preferably, the outer side of the fixed shaft is sleeved with a moving shaft, one end of the moving shaft, which is close to the handle, is provided with a convex block, the circumferential surface of the inner side of the handle is provided with a spiral groove, and the handle is rotated to drive the moving shaft to move leftwards or rightwards.

Preferably, the upper end of the dumbbell piece is provided with an opening, the middle of the dumbbell piece is provided with a mounting hole, the diameter of the mounting hole is the same as that of the movable shaft, and the width of the opening is larger than that of the fixed shaft.

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

1. the locking device of the weight-adjustable dumbbell is characterized in that a locking mechanism is arranged, the locking mechanism comprises a spring and a rotary limiting block, a clamping block at the front end of the rotary limiting block is clamped into a clamping groove of a clamping sheet due to the elasticity of the spring, when the weight of the dumbbell is not adjusted, the handle cannot rotate due to the fact that the handle, a handle end cover and the clamping sheet are fixedly connected, the dumbbell sheet can be prevented from falling off due to misoperation, when the weight of the dumbbell needs to be adjusted, only a unlocking pin on a dumbbell seat is needed, a left-side protruding block of the rotary limiting block is jacked up through a groove in the lower end of the rotary limiting block, the rotary limiting block rotates clockwise, the clamping block moves downwards at the moment and is separated from the clamping groove in the clamping sheet, the handle can be rotated at the moment, and accordingly the moving shaft in the handle;

2. the dumbbell locking device with the weight adjustable function is characterized in that a plurality of dumbbell pieces can be installed on the dumbbell piece installation seat, so that the weight adjustable range of the dumbbell is expanded, the dumbbell locking device is applicable to different user requirements, a protruding unlocking pin is arranged at the position, corresponding to the locking mechanism, on the base, the weight of the dumbbell can be adjusted only when the dumbbell is placed in the dumbbell seat, the dumbbell pieces can be conveniently stored, the safety in use is improved, through the arrangement of the moving shaft, a protruding block is arranged at one end, close to the handle, of the moving shaft, and a spiral groove is formed in the circumferential surface of the inner side of the handle, so that the moving handle can be driven to move leftwards or rightwards, the dumbbell pieces can be conveniently detached, the installation holes are formed in the middle of the dumbbell pieces, the diameter of each installation hole is the same as that of the moving shaft, the dumbbell pieces can be prevented from falling off, the dumbbell sheet can be conveniently detached.

Drawings

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

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the structure of the clip sheet of the present invention;

FIG. 4 is a schematic view of the fixing base of the present invention;

FIG. 5 is a schematic structural view of the rotation limiting block of the present invention;

FIG. 6 is a schematic view of the cross-sectional structure of the rotation limiting block of the present invention;

fig. 7 is a schematic view of the explosion structure of the present invention.

In the figure: 1. a handle; 2. a handle end cap; 3. a clip sheet; 31. a clamping groove; 4. a fixed seat; 41. a mounting cavity; 42. mounting grooves; 43. fixing grooves; 5. a dumbbell sheet mounting seat; 6. a fixed shaft; 7. an end cap; 8. a locking mechanism; 81. a spring; 82. rotating the limiting block; 821. a rotation pin; 822. a bump; 823. a clamping block; 824. a groove; 9. a dumbbell sheet; 91. an opening; 92. mounting holes; 10. a base; 101. releasing the lock pin; 11. the shaft is moved.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a locking device capable of adjusting the weight of a dumbbell comprises a handle 1, handle end covers 2 are fixedly arranged at two ends of the handle 1, a clamping sheet 3 is fixedly arranged at the front end of each handle end cover 2, the rotating handle 1 can drive the handle end covers 2 and the clamping sheets 3 at the two ends to rotate simultaneously, each clamping sheet 3 is in a disc shape, a plurality of clamping grooves 31 are formed in the circumferential surface of each clamping sheet, a fixed seat 4 is arranged at the front end of each clamping sheet 3, a dumbbell sheet mounting seat 5 is fixedly connected to the front end of each fixed seat 4 through bolts, a fixed shaft 6 penetrates through the inside of the handle 1 and extends to the outer end face of each dumbbell sheet mounting seat 5 and is in pin joint with each dumbbell sheet mounting seat 5, an end cover 7 is fixedly connected to the end face of each fixed shaft 6 through bolts, a mounting cavity 41 is arranged at the lower end of each fixed seat 4, a mounting groove 42 is formed in the, the locking mechanism 8 comprises a spring 81 and a rotary limiting block 82, rotary pins 821 are arranged at two ends of the rotary limiting block 82, a convex block 822 is arranged at the front side of the rotary limiting block 82, a clamping block 823 is arranged at the rear side of the rotary limiting block 82, a groove 824 is arranged on the lower end face of the rotary limiting block 82, the rotary limiting block 82 is rotatably arranged in the mounting groove 42 through the rotary pins 821, the upper end of the spring 81 is arranged in the fixing groove 43, the lower end of the spring is fixed on the convex block 822, the clamping block 823 is clamped in the clamping groove 31, and the locking mechanism comprises the spring and the rotary limiting block and is fixedly connected with the handle end cover through the elastic force of the spring to keep the clamping block clamped in the clamping groove of the clamping sheet, when dumbbell weight needs to be adjusted, only need utilize the lockpin of separating on the dumbbell seat, through the left side lug of rotatory stopper of recess jack-up of rotatory stopper lower extreme, make rotatory stopper clockwise rotation, joint piece downstream this moment breaks away from the joint groove on the joint piece, but the handle is rotated this moment to the removal axial handle direction in the drive handle removes, thereby can lift the dumbbell piece off, accomplishes weight adjustment.

Furthermore, a plurality of dumbbell plates 9 are detachably arranged in the dumbbell plate mounting seat 5, and a plurality of dumbbell plates can be arranged in the dumbbell plate mounting seat, so that the weight adjustable range of the dumbbell is expanded, and the dumbbell is suitable for use requirements of different users.

Furthermore, the base 10 is provided with a convex unlocking pin 101 corresponding to the locking mechanism 8, the unlocking pin 101 can jack up the rotating limiting block 82 to enable the clamping block 823 to be separated from the clamping groove 31, the base is provided with a convex unlocking pin corresponding to the locking mechanism, the weight of the dumbbell can be adjusted only when the dumbbell is placed in the dumbbell seat, dumbbell pieces can be stored conveniently, and safety during use is improved.

Furthermore, a moving shaft 11 is sleeved on the outer side of the fixed shaft 6, a protruding block is arranged at one end, close to the handle 1, of the moving shaft 11, a spiral groove is formed in the circumferential surface of the inner side of the handle 1, the moving shaft 11 can be driven by the rotating handle 1 to move leftwards or rightwards, the protruding block is arranged at one end, close to the handle, of the moving shaft, the spiral groove is formed in the circumferential surface of the inner side of the handle, and therefore the rotating handle can be driven to move leftwards or rightwards, and the dumbbell.

Furthermore, an opening 91 is formed in the upper end of the dumbbell sheet 9, a mounting hole 92 is formed in the middle of the dumbbell sheet 9, the diameter of the mounting hole 92 is the same as that of the movable shaft 11, the width of the opening 91 is larger than that of the fixed shaft 6, the mounting hole is formed in the middle of the dumbbell sheet, the diameter of the mounting hole is the same as that of the movable shaft, the dumbbell sheet can be prevented from falling off, and after the dumbbell sheet moves in the movable shaft, the dumbbell sheet can be conveniently dismounted due to the fact that the width of the opening in the upper end of the mounting hole is larger than that of.

The working principle is as follows: firstly, when in use in the process of body building, due to the elastic force of the spring 81, the clamping block 823 at the front end of the rotation limiting block 82 is clamped into the clamping groove 31 of the clamping sheet 3, because the handle 1, the handle end cover 2 and the clamping sheet 3 are fixedly connected, the handle 1 cannot be rotated at this time, namely, the dumbbell sheet can be firmly fixed in the dumbbell sheet mounting seat 5 by the movable shaft 11, when the weight of the dumbbell needs to be adjusted, only the dumbbell needs to be placed in the base 10, the protruding unlocking pin 101 is arranged on the base 10 corresponding to the locking mechanism 8, the unlocking pin 101 is inserted into the inclined plane of the groove 824 and gradually jacks up the left side of the rotation limiting block 82, the spring 81 is compressed, the clamping block 823 is separated from the clamping groove 31 of the clamping sheet 3 after the rotation limiting block 82 rotates, at this time, the handle 1 can be rotated, because the circumferential surface of the inner side of the handle 1 is provided with a spiral groove, the movable shaft 11 is driven to move leftwards or rightwards, so that the movable shaft 11 is separated from the mounting hole 92 of the dumbbell plate 9, and the dumbbell plate 9 can be detached because the width of the opening 91 is larger than the diameter of the fixed shaft 6, thereby completing the weight adjusting function of the dumbbell.

In the embodiments of the present application, the descriptions of the directional terms such as "front", "back", "left" and "right" are only described according to the directions shown in the drawings shown in the present application, and are not limited to the scope of the claims of the present application, and in the specific implementation process, other similar or similar embodiments may be obtained by correspondingly modifying the embodiments according to the embodiments, and all of the embodiments are within the scope of the present application, and the descriptions of the other similar or similar embodiments are not repeated in the present application.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 by those of ordinary skill in the art through specific situations.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A locking device of adjustable dumbbell weight, includes handle (1), its characterized in that: the dumbbell piece fixing device is characterized in that handle end covers (2) are fixedly mounted at two ends of a handle (1), a clamping piece (3) is fixedly mounted at the front end of each handle end cover (2), the handle (1) can drive the handle end covers (2) at the two ends and the clamping piece (3) to rotate simultaneously, the clamping piece (3) is disc-shaped, a plurality of clamping grooves (31) are formed in the periphery of the clamping piece (3), a fixing seat (4) is mounted at the front end of the clamping piece (3), a dumbbell piece mounting seat (5) is fixedly connected to the front end of the fixing seat (4) through bolts, a fixing shaft (6) penetrates through the inside of the handle (1), the fixing shaft (6) extends to the end face of the outer side of the dumbbell piece mounting seat (5) and is in pin joint with the dumbbell piece mounting seat (5), an end face of the fixing shaft (6) is fixedly connected with an end cover (7), the inner side surface of the mounting cavity (41) is provided with a mounting groove (42), the upper end surface of the mounting cavity (41) is provided with a fixing groove (43), a locking mechanism (8) is arranged in the mounting cavity (41), the locking mechanism (8) comprises a spring (81) and a rotation limiting block (82), the two ends of the rotating limit block (82) are provided with rotating pins (821), the front side of the rotating limit block (82) is provided with a convex block (822), a clamping block (823) is arranged at the rear side of the rotation limiting block (82), a groove (824) is arranged on the lower end face of the rotation limiting block (82), the rotation limiting block (82) is rotatably arranged in the mounting groove (42) through a rotation pin (821), the upper end of the spring (81) is arranged in the fixing groove (43), the lower end of the clamping block is fixed on the convex block (822), and the clamping block (823) is clamped in the clamping groove (31).

2. The locking device for adjusting the weight of a dumbbell of claim 1, wherein: a plurality of dumbbell pieces (9) are detachably arranged in the dumbbell piece mounting seat (5).

3. The locking device for adjusting the weight of a dumbbell of claim 1, wherein: the outer side of the fixed shaft (6) is sleeved with a moving shaft (11), one end, close to the handle (1), of the moving shaft (11) is provided with a convex block, the inner side circumferential surface of the handle (1) is provided with a spiral groove, and the handle (1) can be rotated to drive the moving shaft (11) to move leftwards or rightwards.

4. The locking device for adjusting the weight of a dumbbell of claim 3, wherein: an opening (91) is formed in the upper end of the dumbbell sheet (9), a mounting hole (92) is formed in the middle of the dumbbell sheet (9), the diameter of the mounting hole (92) is the same as that of the moving shaft (11), and the width of the opening (91) is larger than that of the fixing shaft (6).