Weight-adjustable counterweight and multifunctional dumbbell

Abstract

The utility model discloses a weight-adjustable counterweight and a multifunctional dumbbell, and relates to the technical field of sports equipment, the multifunctional dumbbell comprises a left dumbbell head and a right dumbbell head, the left dumbbell head and the right dumbbell head are fixedly connected through a connecting piece, a plurality of imbedding holes for increasing the weight of the dumbbell are formed in the left dumbbell head and the right dumbbell head along the direction parallel to the central axis of the dumbbell head. The weight adjusting device is simple in structure, diversified in function, capable of being used for adjusting the weight of various instruments, convenient, small, exquisite and convenient to carry and use in a matched mode. According to the weight-adjustable counter weight piece, when the counter weight of an existing dumbbell needs to be adjusted, the counter weight piece can be adopted for use, the counter weight piece is in interference fit with a dumbbell rod of the existing dumbbell, adjustment can be conducted by taking and placing the counter weight blocks in the counter weight piece, practicability is high, and the market prospect is very high.

Description

Technical Field

[0001] The utility model relates to the technical field of sports equipment, in particular to a weight-adjustable weight piece and a multifunctional dumbbell. Background Art

[0002] There are many kinds of fitness equipment nowadays. At present, fitness personnel generally increase the weight of arm exercise, such as holding dumbbells, and can use the weight of dumbbells to perform active resistance exercise to exercise the muscles of the user's upper body. Dumbbells have the advantages of small size and large number of training users, and have become one of the widely used fitness equipment. However, the functionality of current dumbbells is relatively single, and the weight of dumbbells is not convenient to adjust. Secondly, current dumbbells are divided into long dumbbells and short dumbbells, and the length of dumbbell bars is also fixed. However, at present, for the exercise needs at different stages, the required weight is different, and different types of dumbbells need to be used. Therefore, the present application designs a weight-adjustable counterweight to adjust the counterweight of fitness equipment. Utility Model Content

[0003] The purpose of the utility model is to provide a weight-adjustable weight piece and a multifunctional dumbbell to solve one or more of the above-mentioned prior art problems.

[0004] The utility model provides a weight-adjustable counterweight, which comprises a plurality of insertion holes arranged in a direction parallel to the central axis of the counterweight, and the insertion holes are used to insert matching counterweight blocks to adjust the weight of the counterweight.

[0005] As a feasible preferred method, a plurality of insertion holes are symmetrically arranged with the central axis of the counterweight as the center, counterweight blocks matching the insertion holes are inserted into the insertion holes, and a through hole is provided in the center of the counterweight.

[0006] As a feasible preferred method, a threaded base is provided at the bottom of each insertion hole, a first threaded inner groove is provided at the bottom of the counterweight, and the first threaded inner groove and the threaded base are matched and fixedly connected.

[0007] As a feasible preferred manner, the threaded base includes two arc blocks arranged corresponding to each other, and the inner groove of the first thread is an arc groove matching with the arc blocks.

[0008] The invention provides a multifunctional dumbbell with adjustable weight, which adopts the above-mentioned weight-adjustable counterweight and further comprises a dumbbell rod, wherein the dumbbell rod and a central through hole passing through the counterweight are interference-arranged with the counterweight.

[0009] The present invention also provides a multifunctional dumbbell with adjustable weight, which adopts the above-mentioned weight-adjustable counterweight as a left dumbbell head and a right dumbbell head, the left dumbbell head and the right dumbbell head are fixedly connected by a connecting piece, and the left dumbbell head and the right dumbbell head are both provided with a plurality of insertion holes for increasing the weight of the dumbbells along a direction parallel to their central axes.

[0010] As a feasible preferred method, the connecting member includes a left handle and a right handle, the left dumbbell head is fixedly provided with a left handle at the center of its axial distribution, and the right dumbbell head is fixedly provided with a right handle at the center of its axial distribution, and the left handle and the right handle are fixed by threads.

[0011] As a feasible preferred manner, the end of the left handle is provided with a second threaded protrusion, and the end of the right handle is provided with a second threaded protrusion matching with a second internal threaded groove.

[0012] As a feasible preferred method, the diameter of the left handle gradually decreases from the end close to the left dumbbell head, and the diameter of the right handle gradually decreases from the end close to the right dumbbell head. The left handle and the right handle are connected to form a dumbbell handle, and the diameter of the dumbbell handle gradually increases from the center of the dumbbell handle to both ends.

[0013] As a feasible preferred mode, it also includes an extension rod, the left end of the extension rod is provided with a third inner groove matching with the second threaded protrusion, and the right end of the extension rod is provided with a third threaded protrusion matching with the second inner threaded groove.

[0014] Beneficial effects: The utility model provides a multifunctional dumbbell with adjustable weight, which has a simple structure and diversified functions. A plurality of insertion holes are arranged on the left and right dumbbell heads in directions parallel to their central axes, and the weight can be adjusted by adding matching counterweight blocks into the insertion holes; the various usage functions of the dumbbell can be realized through the cooperation of the left handle, the right handle and the extension rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a weight-adjustable counterweight of the utility model;

[0016] Figure 2 This is a structural schematic diagram of a multifunctional dumbbell with adjustable weight according to the utility model;

[0017] Figure 3 It is a partial structural schematic diagram of a multifunctional dumbbell with adjustable weight according to the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of an insertion hole of a multifunctional dumbbell with adjustable weight according to the utility model;

[0019] Figure 5This is a structural schematic diagram of a weight block of a multifunctional dumbbell with adjustable weight according to the utility model;

[0020] Figure 6 The utility model is a side view of the left dumbbell head of a multifunctional dumbbell with adjustable weight. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.

[0022] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0023] like Figure 1-6 As shown, first of all, the utility model provides a weight-adjustable counterweight, including a plurality of insertion holes, the plurality of insertion holes are arranged in a direction parallel to the central axis of the counterweight, and the insertion holes are used to insert the matching counterweight to adjust the weight of the counterweight. Preferably, the plurality of insertion holes 3 of the present application can be symmetrically arranged with the central axis of the counterweight as the center, and the counterweight 6 matching the insertion hole is inserted into the insertion hole 3. Specifically, the shape of the insertion hole can be cylindrical, triangular, rectangular, etc., which is not specifically determined. The number of insertion holes 3 in the counterweight in the present application is 6, and the shape is cylindrical. The counterweight and the insertion hole are interference fit, and two insertion holes are symmetrically arranged on both sides of the center of the counterweight described above, and two insertion holes are symmetrically arranged above and below the dumbbell hole. The counterweight can be used for dumbbells and is arranged in conjunction with a dumbbell bar.

[0024] Therefore, the present application also provides a multifunctional dumbbell with adjustable weight, which adopts the above-mentioned weight-adjustable counterweight and dumbbell rod, and the dumbbell rod and the central through hole passing through the counterweight are arranged with interference fit with the counterweight. The utility model has a simple structure and can be used for adjusting the weight of a variety of instruments. It is convenient and compact, and easy to carry and use. At the same time, when the existing dumbbell needs to adjust the counterweight, the above-mentioned counterweight can also be used, which is equivalent to the role of a dumbbell sheet, and is directly mounted on the dumbbell rod of the existing dumbbell. With the arrangement, it can also be adjusted by taking out and placing the counterweight block in the counterweight, which is highly practical and has a high market prospect.

[0025] It should be noted that, as an achievable method, a threaded base can be provided at the bottom of each insertion hole, a first threaded inner groove is provided at the bottom of the counterweight block, and the first threaded inner groove and the threaded base are matched and fixedly connected. The threaded base includes two arc blocks arranged corresponding to each other, and the first threaded inner groove is an arc groove matched with the arc block. In this way, the weight of the dumbbell head can be adjusted.

[0026] Furthermore, the utility model provides a multifunctional dumbbell with adjustable weight, which adopts the above dumbbell head, including a left dumbbell head 1 and a right dumbbell head 2, which are fixedly connected by a connecting piece, and the left dumbbell head 1 and the right dumbbell head 2 are both provided with a plurality of insertion holes 3 for increasing the weight of the dumbbell along a direction parallel to their central axes. Preferably, the number of the insertion holes is 6 to 8, and the present application adopts 6. A counterweight block is placed in the insertion hole, and the counterweight block can be arranged with an interference fit with the insertion hole.

[0027] As an achievable optimization method, the connector in the present application includes a left handle 4 and a right handle 5. The left handle 4 is fixedly provided at the center of the left dumbbell head 1 along its axial distribution, and the right handle 5 is fixedly provided at the center of the right dumbbell head 2 along its axial distribution. The left handle 4 and the right handle 5 are fixed by threads. It should be noted that the left handle and the right handle in the present application can be fixedly welded with the corresponding dumbbell head, or can be detachably connected with the corresponding dumbbell head, such as threaded connection and clamping. Preferably, the threaded connection can be used, a dumbbell hole is opened at the center of the corresponding dumbbell head along the central axis, and an internal thread is set in the dumbbell hole, and a thread is set at the corresponding end of the left handle or the right handle.

[0028] Further explanation, the multiple insertion holes 3 of the present application are symmetrically arranged with the central axis of the left dumbbell head or the right dumbbell head as the center, and the counterweight block 6 matched with the insertion hole is inserted into the insertion hole 3. Specifically, the present application uses 6 insertion holes 3, two of which are symmetrically arranged on both sides of the center of the dumbbell hole described above, and two insertion holes are symmetrically arranged above and below the dumbbell hole.

[0029] like Figure 4As shown, a threaded base 7 is provided at the bottom of each insertion hole 3, and a first threaded inner groove 8 is provided at the bottom of the counterweight block 6. The first threaded inner groove 8 and the threaded base 7 are matched and fixedly connected. The threaded base 7 includes two arc blocks arranged corresponding to each other, and the first threaded inner groove 8 is an arc groove matched with the arc block. It can be seen that the inconvenience of installation due to too many threads is avoided, the portable placement of the configuration block is realized, and the fixed installation of the counterweight block is realized.

[0030] like Figure 3-5 As shown, as another preferred embodiment, the end of the left handle 4 of the present application is provided with a second threaded protrusion 9, and the end of the right handle 5 is provided with a second threaded protrusion 9 matching a second internal threaded groove 10. Thus, it can be used as a single dumbbell or a double dumbbell.

[0031] At the same time, the diameter of the left handle 4 gradually decreases from the end close to the left dumbbell head 1, and the diameter of the right handle 5 gradually decreases from the end close to the right dumbbell head 2. The left handle and the right handle are connected to form a dumbbell handle, and the diameter of the dumbbell handle gradually increases from the center to the two ends of the dumbbell handle. In this way, the dumbbell can be grasped.

[0032] Furthermore, in order to realize the use of a long dumbbell, the present application also includes an extension rod 11, which is used to connect with the corresponding dumbbell head. Specifically, the left end of the extension rod 11 is provided with a third inner groove 12 that matches with the second threaded protrusion 9, and the right end of the extension rod 11 is provided with a third threaded protrusion 13 that matches with the second inner threaded groove 10. In this way, the dumbbell can be portable, disassembled and carried, and multiple usage functions of the dumbbell can be realized.

[0033] In addition, the shape of the dumbbell head includes a sphere, a cylinder, a polygon, etc.

[0034] In summary: the utility model provides a multifunctional dumbbell with adjustable weight, which has a simple structure and diversified functions. A plurality of insertion holes are arranged on the left and right dumbbell heads in directions parallel to their central axes, and the weight can be adjusted by adding matching counterweight blocks into the insertion holes; the various usage functions of the dumbbell can be realized by the cooperation of the left handle, the right handle and the extension rod.

[0035] The above description is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements should also be considered within the scope of protection of the present invention.

Claims

1. A weight-adjustable counterweight, characterized in that: The counterweight component comprises a plurality of insertion holes (3), the plurality of insertion holes (3) being arranged in a direction parallel to the central axis of the counterweight component, and the insertion holes (3) are used to insert matching counterweight blocks (6) to adjust the weight of the counterweight component.

2. A multifunctional dumbbell with adjustable weight according to claim 1, characterized in that: The plurality of insertion holes (3) are symmetrically arranged with the central axis of the counterweight piece as the center, counterweight blocks (6) matching the insertion holes are inserted into the insertion holes (3), and a through hole is provided at the center of the counterweight piece.

3. A weight-adjustable counterweight according to claim 2, characterized in that: A threaded base (7) is arranged at the bottom of each insertion hole (3), and a first threaded inner groove (8) is arranged at the bottom of the counterweight block (6). The first threaded inner groove (8) and the threaded base (7) are matched and fixedly connected.

4. The weight-adjustable counterweight according to claim 3, characterized in that: The threaded base (7) comprises two arc blocks which are arranged corresponding to each other, and the first thread inner groove (8) is a arc groove which matches the arc blocks.

5. A multifunctional dumbbell with adjustable weight, characterized in that: A weight-adjustable counterweight as described in any one of claims 1 to 4 further comprises a dumbbell bar, wherein the dumbbell bar passes through a central through hole of the counterweight and is interference-fitted with the counterweight.

6. A multifunctional dumbbell with adjustable weight, characterized in that: A weight-adjustable counterweight as claimed in any one of claims 1 to 4 is used as a left dumbbell head (1) and a right dumbbell head (2), wherein the left dumbbell head (1) and the right dumbbell head (2) are fixedly connected via a connecting piece, and the left dumbbell head (1) and the right dumbbell head (2) are both provided with a plurality of insertion holes (3) for increasing the weight of the dumbbells in a direction parallel to their central axes.

7. A multifunctional dumbbell with adjustable weight according to claim 6, characterized in that: The connecting member comprises a left handle (4) and a right handle (5); the left dumbbell head (1) is fixedly provided with the left handle (4) at the center of its axial distribution; the right dumbbell head (2) is fixedly provided with the right handle (5) at the center of its axial distribution; the left handle (4) and the right handle (5) are fixedly provided by threads.

8. The multifunctional dumbbell with adjustable weight according to claim 7, characterized in that: The end of the left handle (4) is provided with a second threaded protrusion (9), and the end of the right handle (5) is provided with a second threaded protrusion (9) matching with a second internal threaded groove (10).

9. The multifunctional dumbbell with adjustable weight according to claim 8, characterized in that: The left handle (4) gradually decreases in diameter from one end close to the left dumbbell head (1), and the right handle (5) gradually decreases in diameter from one end close to the right dumbbell head (2). The left handle and the right handle are connected to form a dumbbell handle, and the dumbbell handle gradually increases in diameter from the center of the dumbbell handle to both ends.

10. The weight-adjustable multifunctional dumbbell according to claim 9, characterized in that: It also includes an extension rod (11), the left end of the extension rod (11) is provided with a third inner groove (12) matching with the second threaded protrusion (9), and the right end of the extension rod (11) is provided with a third threaded protrusion (13) matching with the second inner threaded groove (10).

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