CN213049162U - Adjustable dumbbell - Google Patents
Adjustable dumbbell Download PDFInfo
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- CN213049162U CN213049162U CN202022167525.8U CN202022167525U CN213049162U CN 213049162 U CN213049162 U CN 213049162U CN 202022167525 U CN202022167525 U CN 202022167525U CN 213049162 U CN213049162 U CN 213049162U
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Abstract
The utility model relates to an adjustable dumbbell, which comprises a plurality of dumbbell pieces, wherein each dumbbell piece comprises a dumbbell piece body, a through hole, a first bulge and a first groove; the dumbbell rod comprises an outer sleeve, an inner sleeve, two connecting discs and two connecting rods; a sensor; a power supply unit. The dumbbell has the advantages that the connecting rods which are arranged in a sliding mode are used for embedding and connecting the plurality of dumbbell pieces, the weight of the dumbbell can be adjusted conveniently and quickly, the whole dumbbell is connected stably, two adjacent dumbbell pieces are in firm contact, and the problem that the dumbbell pieces fall off to harm a user is avoided; the number of times the dumbbell is lifted can be accurately measured by using the sensor unit and is sent to the mobile terminal of the user, so that the user can conveniently record exercise information.
Description
Technical Field
The utility model relates to the technical field of fitness equipment, especially, relate to an adjustable dumbbell.
Background
The dumbbell is a body-building auxiliary appliance and can assist a user in chest expansion training, biceps brachii muscle training and the like. However, because of the different weights of dumbbells required for different exercises, users are required to replace dumbbells of different weights or to perform the mounting and dismounting of the dumbbell pieces.
In the related art, some adjustable dumbbells install and detach the dumbbell pieces in a rotating mode, a locking mode and the like, but the adjustable dumbbell is complex in structure, and a dumbbell rod without the dumbbell pieces is large in size, heavy in weight and inconvenient to store; in addition, the dumbbell pieces are not connected with each other, and each dumbbell piece is only connected with the dumbbell rod independently, so that the whole adjustable dumbbell is long in longitudinal length, large in size and inconvenient to use.
Therefore, there is a need for an adjustable dumbbell that is easy to disassemble and store.
Disclosure of Invention
The utility model aims at providing an adjustable dumbbell aiming at the defects in the prior art.
In order to achieve the purpose, the utility model adopts the technical proposal that:
an adjustable dumbbell, comprising:
a plurality of dumbbell pieces, each said dumbbell piece comprising:
a dumbbell sheet body;
the through hole penetrates through the front side of the dumbbell sheet body and the rear side of the dumbbell sheet body;
the first bulge is arranged on one side of the dumbbell sheet body;
the first groove is arranged on the other side of the dumbbell sheet body and is opposite to the first protrusion;
a dumbbell bar, the dumbbell bar comprising:
an outer sleeve;
an inner sleeve rotatably disposed inside the outer sleeve;
the two connecting discs are symmetrically arranged at two ends of the outer sleeve and are respectively detachably connected with the outer sleeve;
the two connecting rods are symmetrically arranged on two sides of the inner sleeve and are in one-to-one corresponding rotary connection with the two connecting discs;
a sensor disposed inside the inner sleeve;
the power supply unit is arranged inside the inner sleeve and is electrically connected with the sensor;
wherein, under the condition that one end part of the dumbbell rod is connected with one dumbbell sheet, the through hole of the dumbbell sheet is connected with the end part of one connecting rod;
under the condition that one end part of the dumbbell rod is connected with the plurality of dumbbell pieces, two adjacent dumbbell pieces are connected with the first groove in a matched mode through the first protrusion, and the through holes of the plurality of dumbbell pieces are sequentially connected with the end part of one connecting rod.
In some of these embodiments, the sensor is a multi-axis accelerometer.
In some of these embodiments, the power supply unit is a button cell.
In some of these embodiments, the outer sleeve comprises:
the two second grooves are symmetrically arranged at two ends of the outer sleeve;
the connection disc includes:
the second bulge is arranged at the end part of the connecting disc;
wherein the second protrusion mates with the second groove with the connection pad connected with the outer sleeve.
In some of these embodiments, the dumbbell bar further comprises:
and the connecting shaft is arranged inside the inner sleeve and is respectively connected with the two connecting rods.
In some of these embodiments, the interface disc comprises:
the first shell is detachably connected with the outer sleeve;
a second housing rotatably coupled to the first housing;
a first gear disposed inside the first housing;
a second gear provided inside the second housing and engaged with the first gear;
the third gear is arranged inside the second shell and is in transmission connection with the connecting rod;
the transmission shaft is arranged inside the second shell and is in transmission connection with the second gear and the third gear respectively;
the first gear rotates in the vertical direction, and the second gear, the third gear and the transmission shaft rotate in the horizontal direction.
In some of these embodiments, the interface disc further comprises:
a first chamber penetratingly disposed at the second housing, the second gear being disposed at the first chamber;
the second cavity is penetratingly arranged in the middle of the second shell, the third gear is arranged in the second cavity, and the connecting rod is arranged through the second cavity;
the transmission shaft penetrates through the second cavity and the first cavity in sequence to be in transmission connection with the third gear and the second gear in sequence.
In some of these embodiments, the connecting rod comprises:
an end portion;
one end of the rod part is fixedly connected with the end part, and the other end of the rod part is connected with the inner sleeve;
and the rack is arranged on one side of the rod part and is meshed with the third gear.
In some of these embodiments, the end portion has a cross-sectional shape that is the same as the cross-sectional shape of the through-hole;
the cross-sectional shape of the shaft is half of the cross-sectional shape of the end.
In some of these embodiments, the first protrusions are two and the first grooves are two;
the first protrusion is arranged on the front side of the upper portion of the dumbbell sheet body, the first groove is arranged on the rear side of the upper portion of the dumbbell sheet annual body, the first groove is arranged on the front side of the lower portion of the dumbbell sheet body, and the first protrusion is arranged on the rear side of the lower portion of the dumbbell sheet body.
In some of these embodiments, further comprising:
and the storage device is used for placing the dumbbell rod and the dumbbell pieces.
In some of these embodiments, the housing device comprises:
the two outer baffles are symmetrically arranged, and the inner side of each outer baffle is provided with a limiting bulge which is used for being matched with a first groove of a dumbbell sheet;
the two inner baffles are arranged on the inner sides of the two outer baffles and are used for respectively supporting the two connecting discs;
and the at least two assembling rods are respectively connected with the two outer baffles and the two inner baffles.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the utility model discloses an adjustable dumbbell, utilize the connecting rod of slip setting, with a plurality of dumbbell pieces gomphosis connection, convenient quick adjustment dumbbell's weight, whole dumbbell is connected firmly, has firm contact between two adjacent dumbbell pieces, avoids appearing the dumbbell piece and drops and lead to the problem of endangering the user; the number of times the dumbbell is lifted can be accurately measured by using the sensor unit and is sent to the mobile terminal of the user, so that the user can conveniently record exercise information.
Drawings
Fig. 1 is a schematic view of an adjustable dumbbell according to an exemplary embodiment of the present invention.
Fig. 2 is a schematic diagram (one) of a dumbbell sheet according to an exemplary embodiment of the present invention.
Fig. 3 is a schematic diagram (two) of a dumbbell sheet according to an exemplary embodiment of the present invention.
Fig. 4 is a schematic view of a dumbbell bar according to an exemplary embodiment of the present invention.
Fig. 5 is an exploded view of a dumbbell bar according to an exemplary embodiment of the invention.
Fig. 6 is a schematic view of an outer sleeve of an exemplary embodiment of the present invention.
Fig. 7 is a schematic view of a first housing of an exemplary embodiment of the invention.
Fig. 8 is a schematic diagram of a transmission structure of an exemplary embodiment of the present invention.
Fig. 9 is a circuit component connection diagram of an exemplary embodiment of the present invention.
Fig. 10 is a schematic view of a storage device according to an exemplary embodiment of the present invention.
Wherein the reference numerals are: the dumbbell piece comprises a dumbbell piece 100, a dumbbell piece body 101, a through hole 102, a first protrusion 103 and a first groove 104;
the dumbbell rod 200, the outer sleeve 201, the inner sleeve 202, the connecting disc 203, the connecting rod 204, the connecting shaft 205, the first shell 206, the second shell 207, the first gear 208, the second gear 209, the third gear 210, the transmission shaft 211, the second groove 212, the second protrusion 213, the first chamber 214, the second chamber 215, the end 216, the rod part 217, the rack 218, the sensor 219 and the power supply unit 220;
the device comprises a containing device 300, an outer baffle 301, an inner baffle 302, an assembling rod 303 and a limiting bulge 304.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
An illustrative embodiment of the utility model, as shown in fig. 1, an adjustable dumbbell, including a plurality of dumbbell pieces 100, dumbbell bar 200 and storage device 300, dumbbell bar 200 can dismantle with a plurality of dumbbell pieces 100 and be connected, and a plurality of dumbbell pieces 100, dumbbell bar 200 are placed at storage device 300.
As shown in FIGS. 2-3, each dumbbell piece 100 includes a dumbbell piece body 101, a through hole 102, a first protrusion 103, and a first recess 104.
In some of these embodiments, the dumbbell sheet body 101 is circular in shape.
In some of these embodiments, the dumbbell sheet body 101 is in the shape of a regular polygon, such as a regular hexagon, a regular octagon, with adjacent sides being rounded.
The through hole 102 is provided in the center of the dumbbell sheet body 101, and it is provided through the front side of the dumbbell sheet body 101 and the rear side of the dumbbell sheet body 101.
In some of these embodiments, the through-hole 102 is circular in shape.
The first protrusion 103 is disposed on one side of the dumbbell sheet body 101 and has a convex cross section.
Wherein the radial width of the upper portion of the first protrusion 103 is smaller than the radial width of the lower portion of the first protrusion 103. The longitudinal section of the device is trapezoidal, gourd-shaped, horn-shaped and the like. In the present embodiment, a trapezoidal shape is a preferred embodiment.
The first groove 104 is arranged on the other side of the dumbbell sheet body 101, and the cross section of the first groove is convex and matched with the shape of the first protrusion 103.
Wherein the radial width of the upper portion of the first groove 104 is smaller than the radial width of the lower portion of the first groove 104. The longitudinal section of the device is trapezoidal, gourd-shaped, horn-shaped and the like. In the present embodiment, a trapezoidal shape is a preferred embodiment.
In some embodiments, the number of the first protrusions 103 and the number of the first grooves 104 are both one. Wherein the first protrusion 103 may be disposed on an upper portion of one side (front or rear side) of the dumbbell sheet body 101, and the first recess 104 may be disposed on an upper portion of the other side (rear or front side) of the dumbbell sheet body 101.
In some embodiments, the number of the first protrusions 103 and the number of the first grooves 104 are both one. Wherein the first protrusion 103 may be disposed at a lower portion of one side (front or rear side) of the dumbbell sheet body 101, and the first recess 104 may be disposed at a lower portion of the other side (rear or front side) of the dumbbell sheet body 101.
In some embodiments, the number of the first protrusions 103 and the number of the first grooves 104 are two. Wherein, a first protrusion 103 is arranged on the upper portion of one side (front side or rear side) of the dumbbell plate body 101, another first protrusion 103 is arranged on the lower portion of the other side (rear side or front side) of the dumbbell plate body 101, a first groove 104 is arranged on the upper portion of the other side (rear side or front side) of the dumbbell plate body 101, and another first groove 104 is arranged on the lower portion of one side (front side or rear side) of the dumbbell plate body 101.
Specifically, the first protrusion 103 of one dumbbell sheet 100 is slidably engaged with the first recess 104 of another dumbbell sheet 100, thereby tightly coupling the two dumbbell sheets 100 together.
In addition, the weight of the dumbbell pieces 100 may or may not be the same. Under the condition of the same weight, the projection areas of the longitudinal sections of the dumbbell pieces 100 are the same; in the case of different weights, the projected area of the longitudinal section of the dumbbell sheet 100 is proportional to the weight, or alternatively, the thickness of the dumbbell sheet 100 is proportional to the weight.
In some of these embodiments, the weight of dumbbell sheet 100 is 2 kg.
As shown in fig. 4 to 8, the dumbbell rod 200 includes an outer sleeve 201, an inner sleeve 202, two connecting pads 203, two connecting rods 204, a sensor and a power supply unit, the inner sleeve 202 is rotatably sleeved inside the outer sleeve 201, the two connecting pads 203 are symmetrically disposed at two ends of the outer sleeve 201 and respectively connected to the outer sleeve 201, the two connecting rods 204 are symmetrically disposed at two ends of the inner sleeve 202 and respectively connected to the inner sleeve 202, and the sensor and the power supply unit are disposed inside the inner sleeve 202.
As shown in fig. 6, the outer sleeve 201 includes at least two second grooves 212, and the second grooves 212 are symmetrically disposed at two ends of the outer sleeve 201 for detachably connecting with two connecting discs 203, respectively.
In some of the embodiments, the number of the second grooves 212 is two, and the two second grooves 212 are both disposed on the upper sides of both ends of the outer sleeve 201; or both the second grooves 212 are provided at the lower sides of both ends of the outer sleeve 201; or one second groove 212 is provided at an upper side of the first end of the outer sleeve 201 and one second groove 212 is provided at a lower side of the second end of the outer sleeve 201.
In some of these embodiments, the number of second grooves 212 is four, two second grooves 212 are provided on the upper and lower sides of the first end of the outer sleeve 201, two second grooves 212 are provided on the upper and lower sides of the second end of the outer sleeve 201, and the outer sleeve 201 is of mirror-symmetrical design.
In some of these embodiments, the surface of the outer sleeve 201 is further provided with anti-slip protrusions for increasing the friction between the user's hand and the outer sleeve 201.
As shown in fig. 5, the connection plate 203 includes a first housing 206 and a second housing 207, the first housing 206 is detachably connected to the outer sleeve 201, and the second housing 207 is rotatably connected to the first housing 206.
As shown in fig. 7, the first housing 206 comprises at least one second protrusion 213, the second protrusion 213 being arranged at a first end of the first housing 206 for cooperating with the second recess 212 of the outer sleeve 201 for forming a detachable nested connection.
In some of these embodiments, the number of the second protrusions 213 is two, and the two second protrusions are respectively disposed on the upper side and the lower side of the first end of the first housing 206, and are matched with the two second recesses 212 of the same end of the outer sleeve 201.
As shown in fig. 5 and 8, the transmission structure includes a first gear 208, a second gear 209, a third gear 210, and a transmission shaft 211. Wherein, a first gear 208 is arranged inside the first housing 206, a second gear 209 and a third gear 210 are arranged inside the second housing 207, the second gear 209 is engaged with the first gear 208, and a transmission shaft 211 is arranged inside the second housing 207 and is connected with the second gear 209 and the third gear 210 in turn.
The first gear 208 is disposed coaxially with the first housing 206, i.e., the axial direction of the first gear 208 is parallel to the horizontal plane; the axial direction of the second gear 209, the axial direction of the third gear 210, and the axial direction of the transmission shaft 211 are perpendicular to the horizontal plane. Specifically, the first gear 208 rotates in a vertical plane, so as to drive the second gear 209 to rotate in a horizontal plane; the second gear 209 drives the transmission shaft 211 to rotate while rotating; the transmission shaft 211 rotates and drives the third gear 210 to rotate in a horizontal plane.
As shown in fig. 5, the second housing 207 includes a first chamber 214 and a second chamber 215. Wherein, the first chamber 214 is disposed at the upper side of the second housing 207 for accommodating the second gear 209; a second chamber 215 is provided in the middle of the second housing 207 for receiving the third gear 210 and passing the connecting rod 204.
Wherein the second chamber 215 has a circular cross-sectional shape with an inner diameter equal to the inner diameter of the inner sleeve 202 or the outer diameter of the connecting rod 204.
As shown in fig. 5, in order to improve the connection strength of the two connecting rods 204, the dumbbell bar 200 further includes a connecting shaft 205. The connecting shafts 205 are disposed inside the inner casing 202 and are nested with the two connecting rods 204, respectively.
Specifically, a first end of the connecting shaft 205 extends into the inside of one connecting rod 204, and a second end of the connecting shaft 205 extends into the inside of the other connecting rod 204. In the initial state, inside the inner sleeve 202, the second ends of the two connecting rods 204 are in contact, and the connecting shaft 205 is located inside the two connecting rods 204; in the extreme state, inside the inner sleeve 202, the second ends of the two connecting rods 204 are separated but still inside the inner sleeve 202, the first end of the connecting shaft 205 is still inside the second end of one connecting rod 204, and the second end of the connecting shaft 205 is still inside the second end of the other connecting rod 204.
In some embodiments, the cross section of the connecting shaft 205 is polygonal, such as triangular, rectangular, etc., that is, the connecting shaft is used to limit the connecting rod 204 from rotating, so that the connecting rod 204 can only reciprocate in a linear direction.
As shown in fig. 8, the connecting rod 204 includes an end 216, a shaft 217, and a rack 218. Wherein, the first end of the rod part 217 is fixedly connected with the end part 216, the second end of the rod part 217 is nested with the inner sleeve 202, and the rack 218 is arranged at one side of the rod part 217 and is meshed with the third gear 210.
Specifically, the shape of the cross section of the end portion 216 is the same as the shape of the cross section of the through hole of the dumbbell sheet body 101, and the shape of the cross section of the shaft portion 217 is half the shape of the cross section of the end portion 216.
Specifically, if the cross-sectional shape of the end portion 216 is circular, the cross-sectional shape of the shaft portion 217 is semicircular. Further, the rack 218 is provided on the non-circular arc surface of the rod portion 217, so that the connecting rod 204 and the third gear 210 can be simultaneously accommodated in the second chamber 214, and the outer diameter of the third gear 210 is equal to or smaller than the radius of the rod portion 217.
Furthermore, each connecting disc 203 further comprises a counterweight dumbbell piece, the counterweight dumbbell piece is detachably connected with the connecting disc 203 and comprises a third protrusion and a third groove, and the counterweight dumbbell piece is connected with the dumbbell piece 100 in a nested manner through the third protrusion and the third groove.
Wherein the weight of the weighted dumbbell sheet is less than the weight of dumbbell sheet 100.
In some of these embodiments, the weighted dumbbell pieces weigh 1 kg.
As shown in fig. 9, the sensor is fixedly disposed inside the inner casing 202 for acquiring data of the adjustable dumbbell being lifted up and down and wirelessly transmitting the data to a mobile terminal (e.g., a mobile phone) of a user. Specifically, the sensor is a multi-axis accelerometer, and a wireless communication module (such as a bluetooth communication module and a ZigBee communication module) is arranged in the sensor.
A power supply unit is fixedly disposed inside the inner sleeve 202 and electrically connected to the sensor for providing power to the sensor.
The power supply unit is a button battery, and the button battery can be replaced under the condition that the dumbbell rod 200 is detached.
As shown in fig. 10, the storage device 300 includes two outer flaps 301, two inner flaps 302, and at least two assembly bars 303. Wherein, the two inner baffles 302 are arranged at the inner sides of the two outer baffles 301, and the at least two assembling rods 303 are symmetrically arranged and respectively connected with the two outer baffles 301 and the two inner baffles 302.
Specifically, an outer baffle 301 and an inner baffle 302, which are located on the same side, form a space therebetween for receiving a plurality of dumbbell sheets 100, and an inner baffle 302 is used to support a connecting disc 203. Furthermore, in the case where the dumbbell sheet 100 is placed between the outer and inner guards 301 and 302 on the same side, the at least two mounting bars 303 support the bottom side of the dumbbell sheet 100, preventing the dumbbell sheet 100 from falling.
Furthermore, a limiting protrusion 304 is further disposed on the inner side of each outer baffle 301, and is used for matching with the first groove 101 of the dumbbell sheet 100 located on the outermost side, so as to limit the moving direction of the dumbbell sheet 100, and enable the dumbbell sheet 100 to only move vertically up and down. In addition, by the engagement connection between the dumbbell pieces 100, when the dumbbell rod 200 is detached from the storage device 300, the dumbbell pieces 100 are not displaced or dropped by the at least two mounting rods 303 and the two stopper protrusions 304.
The utility model discloses a use method as follows: according to the training requirement of the user, the outer sleeve 201 is rotated clockwise, and then the first shell 206 is driven to rotate; since the first gear 208 is fixedly disposed inside the first housing 206, the first gear 208 rotates with the rotation of the first housing 206; since the second gear 209 is engaged with the first gear 208, the second gear 209 rotates with the rotation of the first gear 208; under the action of the transmission shaft 211, the third gear 210 rotates along with the rotation of the second gear 209; because the rack 218 of the connecting rod 204 is meshed with the third gear 210, under the rotation of the third gear 210, the connecting rod 204 moves towards the outer side of the inner sleeve 202 and is connected with the dumbbell plates 100 in sequence;
in case of weight reduction, the outer sleeve 201 is rotated counterclockwise, and the connecting rod 204 moves to the inner side of the inner sleeve 202 by means of the transmission structure and is sequentially disconnected from the plurality of dumbbell plates 100.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (10)
1. An adjustable dumbbell, comprising:
a plurality of dumbbell pieces, each said dumbbell piece comprising:
a dumbbell sheet body;
the through hole penetrates through the front side of the dumbbell sheet body and the rear side of the dumbbell sheet body;
the first bulge is arranged on one side of the dumbbell sheet body;
the first groove is arranged on the other side of the dumbbell sheet body and is opposite to the first protrusion;
a dumbbell bar, the dumbbell bar comprising:
an outer sleeve;
an inner sleeve rotatably disposed inside the outer sleeve;
the two connecting discs are symmetrically arranged at two ends of the outer sleeve and are respectively detachably connected with the outer sleeve;
the two connecting rods are symmetrically arranged on two sides of the inner sleeve and are in one-to-one corresponding rotary connection with the two connecting discs;
a sensor disposed inside the inner sleeve;
the power supply unit is arranged inside the inner sleeve and is electrically connected with the sensor;
wherein, under the condition that one end part of the dumbbell rod is connected with one dumbbell sheet, the through hole of the dumbbell sheet is connected with the end part of one connecting rod;
under the condition that one end part of the dumbbell rod is connected with the plurality of dumbbell pieces, two adjacent dumbbell pieces are connected with the first groove in a matched mode through the first protrusion, and the through holes of the plurality of dumbbell pieces are sequentially connected with the end part of one connecting rod.
2. The adjustable dumbbell of claim 1, wherein the outer sleeve comprises:
the two second grooves are symmetrically arranged at two ends of the outer sleeve;
the connection disc includes:
the second bulge is arranged at the end part of the connecting disc;
wherein the second protrusion mates with the second groove with the connection pad connected with the outer sleeve.
3. The adjustable dumbbell of claim 1, wherein the dumbbell bar further comprises:
and the connecting shaft is arranged inside the inner sleeve and is respectively connected with the two connecting rods.
4. The adjustable dumbbell of claim 1, wherein the connecting disc comprises:
the first shell is detachably connected with the outer sleeve;
a second housing rotatably coupled to the first housing;
a first gear disposed inside the first housing;
a second gear provided inside the second housing and engaged with the first gear;
the third gear is arranged inside the second shell and is in transmission connection with the connecting rod;
the transmission shaft is arranged inside the second shell and is in transmission connection with the second gear and the third gear respectively;
the first gear rotates in the vertical direction, and the second gear, the third gear and the transmission shaft rotate in the horizontal direction.
5. The adjustable dumbbell of claim 4, wherein the connecting disc further comprises:
a first chamber penetratingly disposed at the second housing, the second gear being disposed at the first chamber;
the second cavity is penetratingly arranged in the middle of the second shell, the third gear is arranged in the second cavity, and the connecting rod is arranged through the second cavity;
the transmission shaft penetrates through the second cavity and the first cavity in sequence to be in transmission connection with the third gear and the second gear in sequence.
6. The adjustable dumbbell of claim 4, wherein the connecting rod comprises:
an end portion;
one end of the rod part is fixedly connected with the end part, and the other end of the rod part is connected with the inner sleeve;
and the rack is arranged on one side of the rod part and is meshed with the third gear.
7. The adjustable dumbbell of claim 6, wherein the cross-section of the end portion has the same shape as the cross-section of the through-hole;
the cross-sectional shape of the shaft is half of the cross-sectional shape of the end.
8. The adjustable dumbbell of claim 1, wherein the first protrusions are two and the first recesses are two;
the first protrusion is arranged on the front side of the upper portion of the dumbbell sheet body, the first groove is arranged on the rear side of the upper portion of the dumbbell sheet annual body, the first groove is arranged on the front side of the lower portion of the dumbbell sheet body, and the first protrusion is arranged on the rear side of the lower portion of the dumbbell sheet body.
9. The adjustable dumbbell of claim 1, further comprising:
and the storage device is used for placing the dumbbell rod and the dumbbell pieces.
10. The adjustable dumbbell of claim 9, wherein the receptacle means comprises:
the two outer baffles are symmetrically arranged, and the inner side of each outer baffle is provided with a limiting bulge which is used for being matched with a first groove of a dumbbell sheet;
the two inner baffles are arranged on the inner sides of the two outer baffles and are used for respectively supporting the two connecting discs;
and the at least two assembling rods are respectively connected with the two outer baffles and the two inner baffles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022167525.8U CN213049162U (en) | 2020-09-28 | 2020-09-28 | Adjustable dumbbell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022167525.8U CN213049162U (en) | 2020-09-28 | 2020-09-28 | Adjustable dumbbell |
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| Publication Number | Publication Date |
|---|---|
| CN213049162U true CN213049162U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022167525.8U Active CN213049162U (en) | 2020-09-28 | 2020-09-28 | Adjustable dumbbell |
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| CN (1) | CN213049162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011011A (en) * | 2021-12-01 | 2022-02-08 | 江苏万喜至工业设计有限公司 | Swift counter weight formula dumbbell |
| CN114931718A (en) * | 2022-06-09 | 2022-08-23 | 南通鹏宝运动用品有限公司 | Dumbbell convenient to it is fixed to accomodate |
-
2020
- 2020-09-28 CN CN202022167525.8U patent/CN213049162U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011011A (en) * | 2021-12-01 | 2022-02-08 | 江苏万喜至工业设计有限公司 | Swift counter weight formula dumbbell |
| CN114931718A (en) * | 2022-06-09 | 2022-08-23 | 南通鹏宝运动用品有限公司 | Dumbbell convenient to it is fixed to accomodate |
| CN114931718B (en) * | 2022-06-09 | 2023-08-01 | 南通鹏宝运动用品有限公司 | Dumbbell convenient to fixed accomodate |
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