CN212730852U - Dumbbell for physical exercise - Google Patents
Dumbbell for physical exercise Download PDFInfo
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- CN212730852U CN212730852U CN202021642206.1U CN202021642206U CN212730852U CN 212730852 U CN212730852 U CN 212730852U CN 202021642206 U CN202021642206 U CN 202021642206U CN 212730852 U CN212730852 U CN 212730852U
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- dumbbell
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- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a body-building apparatus technical field, concretely relates to dumbbell for physical training. The dumbbell comprises a shell and more than two counterweight rods with different weights; the shell comprises a cylindrical section, two ends of the cylindrical section are respectively provided with a spherical body section, the cylindrical section and the spherical body section are both of hollow structures, and the cylindrical section is communicated with the inner space of the spherical body section; at least one of the two ball body sections is provided with an opening for the counterweight rod to extend into the shell, the opening is correspondingly provided with a detachable sealing cover, the inner wall surface of the detachable sealing cover is provided with an elastic piece, and the elastic piece can provide elastic supporting force along the axial direction of the counterweight rod so as to tightly push the counterweight rod along the axial direction; the cylindrical section can provide radial support force along the radial direction of the balance weight rod. The dumbbell includes the counter weight stick of shell and multiple different weight, and the counter weight stick can be placed into the shell, just can realize the adjustment of dumbbell weight through adjusting the counter weight stick, can solve current dumbbell weight unadjustable and the economic nature that causes is poor, occupation space's problem.
Description
Technical Field
The utility model relates to a body-building apparatus technical field, concretely relates to dumbbell for physical training.
Background
The dumbbell is an auxiliary device commonly used for weight lifting and body building exercises, and the dumbbell is named because no sound is produced during the exercise. The existing dumbbell is generally cast by pig iron, an iron rod serving as a dumbbell rod is arranged in the middle of the dumbbell, and solid iron balls are arranged at two ends of the dumbbell. However, most existing dumbbells have non-adjustable self weight, and users need dumbbells with different specifications when carrying out different stages or needing strength training with different degrees, so that the users need to buy a plurality of dumbbells, which is not economical, and the dumbbells with more specifications can occupy a certain space.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dumbbell for physical training to solve current dumbbell weight unadjustable and the economic nature that causes is poor, occupation space's problem.
In order to achieve the above object, the utility model discloses in be used for physical training's dumbbell adopts following technical scheme:
a dumbbell for physical exercise comprises a housing and more than two weight bars with different weights; wherein:
the shell comprises a cylindrical section, two ends of the cylindrical section are respectively provided with a spherical section, the cylindrical section and the spherical section are both of hollow structures, and the cylindrical section is communicated with the inner space of the spherical section;
at least one of the two ball body sections is provided with an opening for the counterweight rod to extend into the shell, the opening is correspondingly provided with a detachable sealing cover, the inner wall surface of the detachable sealing cover is provided with an elastic piece, and the elastic piece can provide elastic supporting force along the axial direction of the counterweight rod so as to tightly push the counterweight rod along the axial direction;
the cylindrical section can provide radial support force along the radial direction of the balance weight rod.
The beneficial effects are that: the dumbbell includes the counter weight stick of shell and multiple different weight, and the counter weight stick can be placed into the shell, just can realize the adjustment of dumbbell weight through adjusting the counter weight stick. Elastic component on the removable top cap wherein can be tight with the counter weight stick top in the axial, elastic component also can compensate not unidimensional counter weight stick in the axial, also can radially support the counter weight stick on the cylinder section simultaneously, makes the counter weight stick install in the shell steadily and reliably. The utility model provides a dumbbell can effectively solve the nonadjustable problem of current dumbbell weight, and then solves the problem that current dumbbell economic nature is poor, occupation space is big.
Furthermore, the elastic part is a spiral spring, one end of the spiral spring is fixedly connected with the corresponding detachable sealing cover, and the other end of the spiral spring is used for elastically propping the end part of the counterweight rod.
The beneficial effects are that: the spiral spring is used as the elastic part, so that the structure is simple and the production cost is low.
Further, the internal face of cylinder section is provided with the sponge layer, and the sponge layer can provide the elastic radial holding power that supports the counter weight stick.
The beneficial effects are that: set up the sponge layer, the sponge layer can provide the radial holding power of elasticity, and the sponge layer can compensate the distance between the counter weight stick of different radial dimensions and the shell middle cylindrical section through self deformation simultaneously.
Drawings
Fig. 1 is a schematic external view of a dumbbell example 1 used for physical exercise according to the present invention;
fig. 2 is a sectional view of a dumbbell example 1 for physical exercise according to the present invention;
in the figure: 10-a cylindrical section; 20-sphere section; 30-a removable cover; 31-a coil spring; 40-counterweight rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the dumbbell for physical exercise according to the present invention will be described in further detail with reference to the following examples.
The utility model discloses in be used for the dumbbell embodiment 1 of physical training: the dumbbell of the present invention, as shown in fig. 1 and 2, mainly comprises a housing and a weight bar 40, wherein the housing has a space for accommodating the weight bar 40, the weight bar 40 with different weights can be placed into the housing, and the user can adjust the overall weight of the dumbbell by replacing the weight bar 40.
Specifically, the dumbbell has a housing made of a plastic material with high hardness, the shape of the dumbbell is the same as that of the existing dumbbell made of pig iron, the dumbbell has a shape with a thin middle part and two thick ends, the dumbbell comprises a cylindrical section 10 which is used for being held by people and is cylindrical in shape, and spherical sections 20 positioned at two ends of the cylindrical section 10, and the radial dimension of each spherical section 20 is larger than that of the cylindrical section 10.
The cylindrical section 10 and the spherical section 20 are both hollow structures, and the cylindrical section 10 is communicated with the inner space of the spherical section 20 to form a space for accommodating the counterweight rod 40. The two spherical segments 20 are provided with openings through which the weight rods 40 can enter the inner space of the casing, and the openings of the spherical segments 20 are opposite to the axis of the cylindrical segment 10. A detachable cover 30 is further arranged at the opening, and the detachable cover 30 is detachably connected with the opening edge of the opening on the ball body section 20 through threads.
Be provided with the one deck sponge layer on the internal face of cylinder section 10, when the balance weight stick 40 stretches into in the cylinder section 10, the sponge layer can be along the radial direction of balance weight stick 40, provide the radial holding power that supports balance weight stick 40, simultaneously because the sponge layer has elasticity, can produce elastic support power when the sponge layer is by compressive deformation, the sponge layer can compensate the distance between the cylinder section 10 in the balance weight stick 40 and the shell of different specifications through the deformation of oneself, make balance weight stick 40 receive stable support on radial direction.
A coil spring 31 as an elastic member is provided on an inner wall surface of the detachable cover 30 facing the inside of the ball section 20, and an elastic expansion and contraction direction of the coil spring 31 is parallel to the axis of the cylindrical section 10 and the weight rod 40. One end of the coil spring 31 is fixedly connected to the detachable cover 30, and the other end is used for elastically propping up the end of the weight bar 40, so that the coil spring 31 can be removed together with the detachable cover 30 when the detachable cover 30 is removed from the ball section 20. When the balance weight rod 40 is inserted into the housing, the coil spring 31 can prop against both ends of the balance weight rod 40, so that the balance weight plate is subjected to elastic supporting force along the axial direction of the balance weight rod 40, the balance weight rod 40 is pressed tightly in the housing in the axial direction, and meanwhile, the coil spring 31 can compensate the balance weight rods 40 with different sizes in the axial direction through self telescopic deformation, so that the balance weight rod 40 is stably supported in the axial direction.
Use the utility model provides a during the dumbbell, when the weight of dumbbell needs to be adjusted, can take off removable closing cap 30 on one of them ball section 20, then will be located the counter weight stick 40 of shell and take off from the shell, change different counter weight sticks 40, reinstallate removable closing cap 30 afterwards, coil spring 31 on two removable closing caps 30 can push up tight heavy stick 40 in the axial.
The utility model provides a dumbbell has the counter weight stick 40 of a shell and a plurality of different weight, and counter weight stick 40 can be made by different materials and realize different weight, also can adopt the form of the different specifications of a material to realize the difference of weight. In addition, only one weight rod 40 may be accommodated in the housing of the dumbbell, or a plurality of weight rods 40 may be accommodated at the same time, and the weight rods 40 are divided into a plurality of stages and arranged in the axial direction. Compared with the whole dumbbell, the storage of the weight bar 40 is simpler and more convenient.
In addition, the dumbbell for physical exercise in the present invention is not limited to the technical solution provided in the above embodiment 1, and the technical solution provided in the following embodiment may also be adopted.
The utility model discloses in be used for the dumbbell embodiment 2 of physical training: the difference from the above embodiment is that in the present embodiment, only one of the two ball segments is provided with an opening, and the inner wall surface of the other ball segment which is not provided with the opening is also provided with a coil spring; in other embodiments, only one of the two ball body sections is provided with an opening, the inner wall surface of the other ball body section which is not provided with the opening is not provided with the coil spring, and only the detachable cover is provided with the coil spring.
The utility model discloses in be used for the dumbbell embodiment 3 of physical training: the difference from the above embodiments is that in the present embodiment, the elastic member provided on the detachable cover is an elastic pad, and is not limited to a coil spring.
The utility model discloses in be used for the dumbbell of physical training embodiment 4: the difference with the above-mentioned embodiment lies in, in this embodiment, the internal wall face of cylinder section no longer is provided with the sponge layer, but designs the size of counter weight stick into the size the same with cylinder section internal diameter, and the internal wall face of cylinder section directly carries out radial support to the counter weight stick.
The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. A dumbbell for physical exercise is characterized by comprising a shell and more than two weight bars with different weights; wherein:
the shell comprises a cylindrical section, two ends of the cylindrical section are respectively provided with a spherical section, the cylindrical section and the spherical section are both of hollow structures, and the cylindrical section is communicated with the inner space of the spherical section;
at least one of the two ball body sections is provided with an opening for the counterweight rod to extend into the shell, the opening is correspondingly provided with a detachable sealing cover, the inner wall surface of the detachable sealing cover is provided with an elastic piece, and the elastic piece can provide elastic supporting force along the axial direction of the counterweight rod so as to tightly push the counterweight rod along the axial direction;
the cylindrical section can provide radial support force along the radial direction of the balance weight rod.
2. The dumbbell of claim 1, wherein the elastic member is a coil spring, one end of which is fixedly connected to the corresponding detachable cap and the other end of which is used to elastically brace the end of the weight bar.
3. The dumbbell for sports exercise according to claim 1 or 2, wherein the inner wall surface of the cylindrical section is provided with a sponge layer capable of providing elastic radial supporting force for supporting the weight bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021642206.1U CN212730852U (en) | 2020-08-10 | 2020-08-10 | Dumbbell for physical exercise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021642206.1U CN212730852U (en) | 2020-08-10 | 2020-08-10 | Dumbbell for physical exercise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212730852U true CN212730852U (en) | 2021-03-19 |
Family
ID=74987152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021642206.1U Expired - Fee Related CN212730852U (en) | 2020-08-10 | 2020-08-10 | Dumbbell for physical exercise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212730852U (en) |
-
2020
- 2020-08-10 CN CN202021642206.1U patent/CN212730852U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 |