CN209933928U

CN209933928U - Portable dumbbell

Info

Publication number: CN209933928U
Application number: CN201920632075.XU
Authority: CN
Inventors: 邵晖
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-01-14
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a portable dumbbell, which comprises a handle connecting rod, a counterweight seat, a counterweight lock structure and counterweight, wherein the handle connecting rod comprises a handle and a connecting rod, the handle is fixedly or detachably arranged on the connecting rod, the counterweight seat is fixedly or detachably arranged at two ends of the connecting rod, at least one assembling hole is formed in the counterweight seat and used for assembling the counterweight, the counterweight lock structure is fixedly or detachably arranged at two ends of the connecting rod, and part of the counterweight lock structure is accommodated in the counterweight seat and used for controlling the quick assembly of the counterweight to lock and unlock; according to the portable dumbbell, the counterweight seat and the counterweight lock structure are matched, when the dumbbell is needed to be used for body building, a counterweight with required weight is loaded into the assembly hole, and the counterweight lock structure enables the counterweight to be clamped in the assembly hole; when the counterweight needs to be replaced, the counterweight lock structure is used for unlocking the counterweight, the counterweight is taken out from the assembly hole, simplicity and convenience are realized, and the efficiency is improved.

Description

Portable dumbbell

Technical Field

The utility model relates to a technical field of body-building equipment specifically is a portable dumbbell.

Background

Dumbbell, a kind of auxiliary equipment of weight lifting and body-building exercise. The dumbbell is named because no sound is produced during practice.

Dumbbells are a simple device used for strengthening muscle strength training. Its main material is cast iron, and some of them are covered with a layer of rubber. The muscle training device is used for muscle strength training and muscle compound action training. The dumbbell can be held by hands for patients with low muscle strength caused by paralysis, pain, long-term inactivity and the like, and the weight of the dumbbell can be used for performing resistance active exercise and training the muscle strength. The dumbbell can be used for long-term exercise, muscle lines can be modified, muscle endurance can be increased, and exercise of the dumbbell with larger weight can be frequently carried out, so that muscles can be firmed, muscle fibers can be strengthened, and muscle strength can be increased.

Dumbbells currently have two types of fixed weight and adjustable weight. But the counter weight of a plurality of different weights can be equipped with in general of adjustable weight, according to user's needs, installs the counter weight of suitable weight and carries out the body-building exercise, but, this installation is loaded down with trivial details relatively, need install the counter weight with the nut after unscrewing earlier, screws up the nut again, and the installation or dismantlement process is more time-consuming, and efficiency is not high.

SUMMERY OF THE UTILITY MODEL

Based on this, there is a need for a portable dumbbell that allows for quick installation and removal of weighted weights.

The utility model provides a portable dumbbell, includes handle connecting rod, counter weight seat, counter weight lock structure, counter weight, the handle connecting rod includes handle and connecting rod, the handle is fixed or can dismantle install in on the connecting rod, counter weight seat is fixed or can dismantle install in the both ends of connecting rod, at least one pilot hole has been seted up on the counter weight seat for assemble counter weight, counter weight lock structure is fixed or can dismantle install in the both ends of connecting rod and part holding are in the counter weight seat for the quick packing into of control counter weight is locked and is unlocked and take out.

In one embodiment, the counterweight lock structure comprises a rotary switch, a fixed shaft, a counterweight fastening member and a first elastic member, wherein the rotary switch is provided with a stop, the rotary switch is sleeved at two ends of the connecting rod, the fixed shaft is fixedly arranged on the counterweight seat, the counterweight fastening member is arranged on the fixed shaft, one end of the counterweight fastening member is abutted against the stop, one end of the first elastic member is arranged on the counterweight fastening member, and the other end of the first elastic member is abutted against the inner layer of the counterweight seat.

In one embodiment, the counterweight lock structure includes a rotating shaft, a supporting seat, a limiting member, and a mounting cap, wherein one end of the rotating shaft is fixedly or detachably mounted on the connecting rod, the supporting seat is connected with the rotating shaft through a screw thread, the limiting member is fixedly or detachably mounted on the supporting seat, the mounting cap is connected with the rotating shaft through a screw thread, one end of the mounting cap abuts against the limiting member, and the limiting member has a plurality of pressing angles.

In one embodiment, one end of the counterweight is provided with a groove, and the end close to the handle is of an arc structure or an inclined surface structure.

In one embodiment, one surface of the weight fastener, which is far away from the first elastic member, is of an inclined surface structure or an arc surface structure.

In one embodiment, the counterweight lock structure further includes a second elastic member, the counterweight seat has a limiting portion, and the second elastic member is sleeved on the connecting rod and respectively abuts against the limiting portion of the counterweight seat and the rotary switch.

In one embodiment, the counterweight lock structure further includes a limiting post, the rotary switch is provided with a first notch, and the limiting post is fixedly or detachably mounted on the counterweight seat and accommodated in the first notch.

In one embodiment, the portable dumbbell further comprises a third elastic element, and the third elastic element is fixedly installed on the counterweight seat and is abutted against one end of the counterweight.

In one embodiment, the two ends of the handle are respectively provided with a second notch, and the inner layer of the rotary switch is provided with a third notch matched with the second notch.

In one embodiment, the counterweight seat is in a ball-shaped structure or a cylindrical structure or a polygonal structure.

According to the portable dumbbell, the counterweight seat and the counterweight lock structure are matched, when the dumbbell is needed for body building, a counterweight with required weight is loaded into the assembly hole, and the counterweight lock structure enables the counterweight to be clamped in the assembly hole, so that falling off is avoided; when the counterweight needs to be replaced, the counterweight lock structure is used for unlocking the counterweight, the counterweight is taken out from the assembly hole, simplicity and convenience are realized, the time is saved, and the efficiency is improved.

Drawings

Fig. 1 is a schematic view of an assembly structure of a portable dumbbell according to an embodiment of the present invention;

fig. 2 is a schematic view of an angle locking structure of the portable dumbbell of fig. 1 according to an embodiment of the present invention;

fig. 3 is a schematic view of another angle locking structure of the portable dumbbell of fig. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic view of an opened structure of the portable dumbbell of FIG. 1 according to an embodiment of the present invention;

fig. 5 is a schematic view of the counterweight lock structure of the portable dumbbell of fig. 1 according to an embodiment of the present invention;

FIG. 6 is a schematic view of the handle link structure of the portable dumbbell of FIG. 1 according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a counterweight seat of the portable dumbbell of fig. 1 according to an embodiment of the present invention;

FIG. 8 is a schematic view of an assembly structure of a portable dumbbell according to another embodiment of the present invention;

fig. 9 is a schematic view of a counterweight lock of another embodiment of the portable dumbbell of fig. 8.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 or 8, a portable dumbbell comprises a handle link 100, a counterweight seat 200, a counterweight lock structure 300, and a counterweight 400, wherein the handle link 100 comprises a handle 110 and a link 120, the handle 110 is fixedly or detachably mounted on the link 120, the counterweight seat 200 is fixedly or detachably mounted at two ends of the link 120, at least one assembly hole 210 is formed in the counterweight seat 200 for assembling the counterweight 400, and the counterweight lock structure 300 is fixedly or detachably mounted at two ends of the link 120 and partially accommodated in the counterweight seat 200 for controlling quick loading, locking, and unlocking and unloading of the counterweight 400.

When dumbbell body-building training is performed, the counterweight 400 with the required weight is loaded into the assembly hole 210, and the counterweight 400 is fixed in the assembly hole 210 through the counterweight lock structure 300, so that dumbbell body-building training is performed; when the counterweight 400 needs to be replaced, the counterweight 400 is unlocked by using the counterweight lock structure 300, the counterweight 400 is taken out from the assembly hole 210, and the replacement of the counterweight 400 is completed.

Thus, the portable dumbbell, through the matching arrangement of the counterweight seat 200 and the counterweight lock structure 300, when the dumbbell is needed for body building, the counterweight 400 with the needed weight is loaded into the assembly hole 210, and the counterweight lock structure 300 clamps the counterweight 400 in the assembly hole 210 to avoid falling off; when the counterweight 400 needs to be replaced, the counterweight 400 is unlocked by using the counterweight lock structure 300, and the counterweight 400 is taken out from the assembly hole 210, so that the method is simple and convenient, the time is saved, and the efficiency is improved.

As shown in fig. 2, 3, 4, and 5, further, in order to allow the counterweight 400 to be more quickly loaded into or removed from the assembly hole 210, the counterweight lock structure 300 comprises a rotary switch 301, a fixed shaft 302, a counterweight buckle 303 and a first elastic member 304, the rotary switch 301 is provided with a stop 3011, the rotary switch 301 is sleeved on two ends of the connecting rod 120, the fixed shaft 302 is fixedly arranged on the counterweight seat 200, the counterweight buckle 303 is arranged on the fixed shaft 302, one end of the counterweight buckle is propped against the stop 3011, one end of the first elastic piece 304 is arranged on the weight fastener 303, the other end is propped against the inner layer of the counterweight seat 200, the counterweight 400 is in a cylindrical structure, one end of the counterweight is provided with a groove 401, and the end close to the handle 110 is in an arc structure or an inclined surface structure, one surface of the weight fastener 303, which is far away from the first elastic member 304, is in a slope structure or an arc structure 3031.

Example 1: the groove 401 is formed in the counterweight 400, when dumbbell body-building training is performed, the counterweight 400 with required weight is placed into the assembly hole 210, the counterweight 400 is of a cylindrical structure, under the action of self gravity or external force, the cambered surface or the inclined surface structure of the counterweight 400 extrudes the inclined surface or the cambered surface 3031 of the counterweight fastening piece 303 and pushes the counterweight fastening piece 303 open, so that the counterweight fastening piece 303 falls into the groove 401 of the counterweight 400 under the elastic action of the first elastic piece 304 recovering deformation, the counterweight fastening piece 303 locks the counterweight 400, the counterweight 400 is fixed in the assembly hole 210 and is prevented from falling off, and dumbbell body-building training is performed; when needing to be changed counterweight 400, the first angle of predetermineeing of rotary switch 301 clockwise or anticlockwise rotation, dog 3011 on the rotary switch 301 rotates first angle of predetermineeing simultaneously, and then drive the one end that buckle 303 is close to rotary switch 301 and rotate, make the recess 401 of counterweight 400 be kept away from to buckle 303 other end, until weight buckle 303 and recess 401 separation, take out counterweight 400 from pilot hole 210, and simultaneously, first elastic component 304 is compressed, when releasing rotary switch 301, deformation need be resumeed to first elastic component 304, drive counterweight buckle 303 and resume preset the position.

Thus, through the matching arrangement of the rotary switch 301, the weight fastener 303 and the first elastic piece 304, the weight fastener 303 is clamped or separated from the groove of the counterweight 400 through the rotation of the rotary switch 301, when the counterweight 400 needs to be locked, the cambered surface or the inclined surface structure of the counterweight 400 extrudes the inclined surface or the cambered surface of the weight fastener 303 and pushes the weight fastener 303 open under the action of self gravity or external force, so that the weight fastener 303 falls into the groove 401 of the counterweight 400 under the elastic force effect of the first elastic piece 304 recovering the deformation; when the counterweight 400 needs to be taken out, the rotary switch 301 rotates clockwise or anticlockwise for a first preset angle, the stop block 3011 on the rotary switch 301 rotates for the first preset angle at the same time, and then the one end of the buckle piece 303 close to the rotary switch 301 is driven to rotate, the groove 401 of the counterweight 400 is kept away from the other end of the buckle piece 303 until the weight buckle piece 303 is separated from the groove 401, the counterweight 400 is taken out of the assembly hole 210, the structure is simple, and the use is convenient.

As shown in fig. 9, the counterweight lock structure 300 further includes a rotating shaft 305, a supporting seat 306, a limiting member 307, and a mounting cap 308, wherein one end of the rotating shaft 305 is fixed or detachably mounted on the connecting rod 120, the supporting seat 306 is in threaded connection with the rotating shaft 305, the limiting member 307 is fixed or detachably mounted on the supporting seat 306, the mounting cap 308 is in threaded connection with the rotating shaft 305, one end of the mounting cap abuts against the limiting member 307, and the limiting member 307 has a plurality of pressing angles 3071.

Example 2: when dumbbell body-building training is performed, the counterweight 400 with the required weight is loaded into the assembly hole 210, one end, away from the handle 110, of the counterweight 400 is flush with the assembly hole 210, the limiting part 307 is rotated to further drive the supporting seat 306 to rotate on the rotating shaft 305 anticlockwise or clockwise by a preset angle, and the pressing angle 3071 is pressed on the counterweight 400, so that dumbbell body-building training is performed; when the counterweight 400 needs to be replaced, the limiting member 307 is rotated to drive the supporting base 306 to rotate counterclockwise or clockwise on the rotating shaft 305 by a preset angle, so that the pressing angle 3071 is moved out of the counterweight 400, and the counterweight 400 is taken out of the assembly hole 210.

Thus, through the matching arrangement of the supporting seat 306 and the limiting part 307, the limiting part 307 is rotated to further drive the dynamic pressure angle 3071 to lock or move the counterweight 400 out of the assembly hole 210, so that the counterweight 400 can be simply and conveniently assembled or taken out of the assembly hole 210 quickly.

As shown in fig. 5 and 7, in order to enable the rotary switch 301 to automatically reset more quickly, the counterweight lock structure 300 further includes a second elastic member 309, the counterweight housing 200 has a position-limiting portion 201, and the second elastic member 309 is sleeved on the connecting rod 120 and respectively abuts against the position-limiting portion 201 of the counterweight housing 200 and the rotary switch 301.

When the counterweight 400 needs to be taken out of the assembly hole 210, the rotary switch 301 is moved to a preset position in the direction of the counterweight 400, the second elastic piece 309 deforms due to the common acting force of the limiting part 201 and the rotary switch 301, after the rotary switch 301 is rotated to reach a preset angle, the weight buckle piece 303 is separated from the groove 401 of the counterweight 400, the counterweight 400 pops out, then the counterweight 400 is taken out, the first elastic piece 304 recovers deformation to enable the weight buckle piece 303 to recover to a first preset position, so that the rotary switch 301 recovers to a second preset position, and the second elastic piece 309 recovers deformation to enable the rotary switch 301 to recover to an initial position.

Thus, the rotary switch 301 can be automatically restored to the initial position by the arrangement of the second elastic member 309, so that the dumbbell can be used more efficiently.

Further, in order to better control the rotation angle of the rotary switch 301, the counterweight lock structure 300 further includes a limiting column 310, a first notch 3012 is formed on the rotary switch 301, and the limiting column 310 is fixedly or detachably mounted on the counterweight seat 200 and is accommodated in the first notch 3012.

Thus, when the rotary switch 301 is rotated, due to the existence of the limiting column 310, the rotation angle and the rotation direction of the rotary switch 301 are well limited, and certain parts of the dumbbell cannot be damaged or cannot be normally used due to the fact that the rotation angle is too large or the rotation direction is wrong, so that the dumbbell can be used simply and conveniently for a long time.

Further, in order to facilitate the removal of the counterweight 400 from the assembly hole 210, the portable dumbbell further includes a third elastic member, and the third elastic member is fixedly mounted on the counterweight seat 200 and abuts against one end of the counterweight 400.

When assembling counterweight 400, put into assembly hole 210 counterweight 400 and one end and third elastic component counterbalance, counterweight lock structure 300 locks counterweight 400 in assembly hole 210, the third elastic component is compressed, counterweight 400 needs to be changed, rotary switch 301 clockwise or anticlockwise rotates first preset angle, dog 3011 on rotary switch 301 rotates first preset angle simultaneously, and then drive the one end that buckle 303 is close to rotary switch 301 and rotate, make the recess 401 of counterweight 400 be kept away from to buckle 303 other end, until weight buckle 303 separates with recess 401, take out counterweight 400 from assembly hole 210, the deformation is resumeed to the third elastic component, pop out counterweight 400 from assembly hole 210.

Thus, through the arrangement of the third elastic member, when the counterweight lock structure 300 is removed from the counterweight 400, the counterweight 400 is ejected from the assembly hole 210, so that the counterweight 400 can be conveniently taken out of the assembly hole 210.

As shown in fig. 6, in order to prevent the rotary switch 301 from being unlocked by mistake, the two ends of the handle 110 are respectively opened with a second notch 111, and the inner layer of the rotary switch 301 is opened with a third notch matching with the second notch.

Like this, through the cooperation setting of second breach 111 and third breach, when carrying out dumbbell body-building training, second breach 111 and third breach joint are in the same place, make rotary switch 301 can not rotate at will, have avoided unblanking at dumbbell body-building in-process rotary switch 301 mistake, make counterweight 400 fall out from pilot hole 210, cause personnel's injury or facility damage.

Further, the counterweight housing 200 has at least one of a spherical structure, a cylindrical structure, and a polygonal structure.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A portable dumbbell, its characterized in that: including handle connecting rod, counter weight seat, counter weight lock structure, counter weight, the handle connecting rod includes handle and connecting rod, the handle is fixed or can dismantle install in on the connecting rod, counter weight seat is fixed or can dismantle install in the both ends of connecting rod, at least one pilot hole has been seted up on the counter weight seat for assemble counter weight, counter weight lock structure is fixed or can dismantle install in the both ends of connecting rod and partial holding are in the counter weight seat for the quick packing into of control counter weight is locked and is deblocked and take out.

2. A portable dumbbell according to claim 1, characterized in that: the counterweight lock structure comprises a rotary switch, a fixed shaft, a counterweight clamping piece and a first elastic piece, wherein a stop block is arranged on the rotary switch, the rotary switch is sleeved at two ends of a connecting rod, the fixed shaft is fixedly installed on the counterweight seat, the counterweight clamping piece is installed on the fixed shaft, one end of the counterweight clamping piece is abutted against the stop block, one end of the first elastic piece is installed on the counterweight clamping piece, and the other end of the first elastic piece is abutted against the inner layer of the counterweight seat.

3. A portable dumbbell according to claim 1, characterized in that: the counterweight lock structure comprises a rotating shaft, a supporting seat, a limiting part and an installation cap, wherein one end of the rotating shaft is fixed or detachably installed on the connecting rod, the supporting seat is connected with the rotating shaft through threads, the limiting part is fixed or detachably installed on the supporting seat, the installation cap is connected with the rotating shaft through threads, one end of the installation cap is abutted to the limiting part, and a plurality of pressing angles are arranged on the limiting part.

4. A portable dumbbell according to claim 2, characterized in that: one end of the counterweight is provided with a groove, and the end close to the handle is of a cambered surface structure or an inclined surface structure.

5. A portable dumbbell according to claim 2, characterized in that: one side of the weight buckle piece, which is far away from the first elastic piece, is of an inclined plane structure or an arc surface structure.

6. A portable dumbbell according to claim 2, characterized in that: the counterweight lock structure further comprises a second elastic piece, a limiting part is arranged on the counterweight seat, and the second elastic piece is sleeved on the connecting rod and is respectively abutted against the limiting part and the rotary switch of the counterweight seat.

7. A portable dumbbell according to claim 2, characterized in that: the counterweight lock structure further comprises a limiting column, a first notch is formed in the rotary switch, and the limiting column is fixedly or detachably mounted on the counterweight seat and accommodated in the first notch.

8. A portable dumbbell according to claim 1, characterized in that: the portable dumbbell also comprises a third elastic piece, and the third elastic piece is fixedly arranged on the counterweight seat and is propped against one end of the counterweight.

9. A portable dumbbell according to claim 2, characterized in that: and second notches are respectively formed at two ends of the handle, and a third notch matched with the second notches is formed in the inner layer of the rotary switch.

10. A portable dumbbell according to claim 1, characterized in that: the counterweight seat is of at least one of a spherical structure, a cylindrical structure or a polygonal structure.