Dumbbell capable of conveniently adjusting load

Abstract

The utility model relates to the technical field of dumbbells, and discloses a dumbbell convenient to adjust load. A dumbbell seat is used for placing dumbbell pieces; the dumbbell pieces can be inserted into the dumbbell seat in parallel; the dumbbell rod is of a rod-shaped structure, the dumbbell rod is connected with the dumbbell pieces in a clamped mode through clamping parts, and the clamping parts are arranged at the two ends of the dumbbell rod. Mounting grooves are formed in the dumbbell pieces, the clamping parts can be clamped in the mounting grooves, and the dumbbell has the advantages that the dumbbell pieces with the mounting grooves formed in one sides can be conveniently detached through the clamping bases, the dumbbell pieces can be directly clamped on the clamping bases through the mounting grooves in the dumbbell pieces, and therefore the dumbbell pieces can be conveniently increased or decreased; and the dumbbell pieces and the clamping seats can be clamped and separated conveniently through the lock pins, so that the dumbbell can be quickly disassembled and assembled.

Description

Technical Field

[0001] This application relates to the technical field of dumbbells, for example, to a dumbbell that is convenient to adjust the load-bearing capacity. Background Art

[0002] Currently, a dumbbell is a simple equipment for enhancing muscle strength training. Its main material is cast iron, and some are wrapped with a layer of rubber on the outside. The weight of the dumbbell can be adjusted by adding or removing the dumbbell rods on the dumbbell, so as to meet different weight requirements.

[0003] In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

[0004] When adding or removing dumbbell plates for traditional dumbbells, it is necessary to first remove the fixed nuts, then remove the dumbbell plates, and then fix the remaining dumbbell plates on the dumbbell rod with nuts. This way of adding or removing dumbbell plates is time-consuming and laborious. Utility Model Content

[0005] To have a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. This summary is not a general review, nor is it intended to identify key / important constituent elements or delineate the protection scope of these embodiments, but rather serves as a preface to the subsequent detailed description.

[0006] The embodiments of the present disclosure provide a dumbbell that is convenient to adjust the load-bearing capacity to solve the problem of inconvenient disassembly of dumbbell plates.

[0007] In some embodiments, the dumbbell that is convenient to adjust the load-bearing capacity includes: a dumbbell base for placing dumbbell plates; the dumbbell plates can be inserted side by side on the dumbbell base; the dumbbell rod is a rod-shaped structure, and the dumbbell rod is connected to the dumbbell plates by a clamping portion, and the clamping portion is arranged at both ends of the dumbbell rod; an installation groove is formed on the dumbbell plate, and the clamping portion can be clamped in the installation groove.

[0008] In some embodiments, the clamping portion includes: clamping seats respectively fixed at both ends of the dumbbell rod, and the side of the clamping seat is matched with the installation groove of the dumbbell plate; a limiting plate is arranged on the clamping seat, and the limiting plates can be arranged side by side on the clamping seat and are arranged between multiple dumbbell plates; a locking pin is telescopically arranged in the clamping seat; a pin hole is arranged on the inner side of the installation groove of the dumbbell plate, and the position of the pin hole corresponds to that of the locking pin, and the locking pin can be inserted into the pin hole.

[0009] In some embodiments, a plurality of dumbbell grooves are arranged on the dumbbell base, and dumbbell plates can be inserted into the dumbbell grooves.

[0010] In some embodiments, a lifting frame is slidably arranged in the engaging seat. A trapezoidal platform is arranged on the upper part of the lifting frame. The locking pin is horizontally slidably arranged in the engaging seat, and one end of the locking pin extends out of the engaging seat. A pulley is arranged at the other end of the locking pin, and the pulley is arranged on the side of the trapezoidal platform away from the end where the locking pin extends out of the engaging seat.

[0011] In some embodiments, a pin spring is sleeved on the locking pin, and the pin spring pushes the locking pin to extend out of the engaging seat.

[0012] In some embodiments, a lifting spring is arranged on the upper part of the lifting frame. The lifting spring presses on the upper part of the lifting frame, and the bottom of the lifting frame extends out of the bottom of the engaging seat.

[0013] In some embodiments, a sliding groove is arranged on the side of the locking pin, and a locking pin is slidably arranged in the sliding groove.

[0014] In some embodiments, a push rod is slidably inserted into the dumbbell groove. A locking hole is formed in the dumbbell plate. The push rod is inserted into the locking hole. The push rod is in contact connection with the lifting frame, and a lifting frame is arranged at the bottom of the push rod.

[0015] In some embodiments, a sliding rod is arranged at the bottom of the push rod. The sliding rod is vertically arranged at the bottom of the push rod. A sliding frame is arranged at the lower part of the push rod. The sliding frame is slidably arranged at the bottom of the dumbbell seat. A guiding groove is arranged on the sliding frame. The guiding groove is inclined relative to the push rod. Parallel grooves are respectively arranged at both ends of the guiding groove. The parallel grooves are vertically arranged relative to the push rod.

[0016] In some embodiments, a pull rod is arranged on one side of the sliding frame, and one end of the pull rod extends out of one side of the dumbbell seat.

[0017] The dumbbell provided by the embodiment of the present disclosure that is convenient for adjusting the load can achieve the following technical effects:

[0018] The engaging seat and the dumbbell plate with an installation groove on one side can be conveniently disassembled. The dumbbell plate can be directly clamped on the engaging seat through the installation groove on the dumbbell plate, so that the dumbbell plates can be conveniently increased or decreased. And through the locking pin, the clamping and separation between the dumbbell plate and the engaging seat can be facilitated, thereby realizing the quick disassembly and assembly of the dumbbell.

[0019] The above general description and the following description are only exemplary and explanatory, and are not used to limit the present application. Description of the Drawings

[0020] One or more embodiments are exemplarily illustrated by corresponding drawings. These exemplary illustrations and the drawings do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements. The drawings do not constitute a proportional limitation, and among them:

[0021] Figure 1 Schematic diagram of a dumbbell structure facilitating load adjustment provided by an embodiment of the present disclosure;

[0022] Figure 2 Schematic diagram of the usage state structure of a dumbbell facilitating load adjustment provided by an embodiment of the present disclosure;

[0023] Figure 3 Schematic diagram of the internal structure of a clamping seat provided by an embodiment of the present disclosure;

[0024] Figure 4 Schematic diagram of a dumbbell plate provided by an embodiment of the present disclosure;

[0025] Figure 5 Schematic diagram of the cross-sectional structure of a dumbbell facilitating load adjustment provided by an embodiment of the present disclosure;

[0026] Figure 6 Provided by an embodiment of the present disclosure Figure 5 Schematic diagram of part A in

[0027] Figure 7 Schematic diagram of the partial cross-sectional structure of the locking pin of the clamping seat provided by an embodiment of the present disclosure;

[0028] Figure 8 Schematic diagram of the partial structure of the moving carriage and the ejector rod provided by an embodiment of the present disclosure.

[0029] Reference numerals:

[0030] 100, dumbbell seat; 200, dumbbell plate; 300, dumbbell rod; 400, clamping seat; 401, limiting plate; 402, locking pin; 403, insertion hole; 101, dumbbell groove; 404, lifting frame; 405, trapezoidal platform; 406, pulley; 407, pin spring; 408, lifting spring; 409, chute; 102, ejector rod; 202, locking hole; 103, slide bar; 104, carriage; 105, guiding groove; 106, parallel groove; 107, pull rod. Detailed implementation manners

[0031] In order to be able to understand the features and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are only for reference and illustration purposes and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a number of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be shown in a simplified manner to simplify the drawings.

[0032] In the description and claims of the embodiments of the present disclosure and the above-mentioned drawings, terms such as "first" and "second" are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so as to implement the embodiments of the present disclosure described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0033] In the embodiments of the present disclosure, the orientation or positional relationship indicated by terms such as "upper", "lower", "inner", "middle", "outer", "front", and "back" is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and their embodiments, and are not used to limit that the indicated device, element, or component must have a specific orientation, or be constructed and operated in a specific orientation. And, in addition to being able to represent an orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0034] In addition, the terms "set", "connect", and "fix" should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there is an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0035] Unless otherwise specified, the term "plurality" means two or more.

[0036] In the embodiments of the present disclosure, the character " / " indicates that the front and rear objects are in an "or" relationship. For example, A / B means: A or B.

[0037] The term "and / or" is an associative relationship describing an object, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B these three relationships.

[0038] It should be noted that, without conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0039] Combine Figure 1-8As shown in the figure, an embodiment of the present disclosure provides a dumbbell facilitating load adjustment, including: a dumbbell base 100 for placing dumbbell plates 200; dumbbell plates 200 that can be inserted side by side on the dumbbell base 100; a dumbbell bar 300 having a rod-shaped structure, and the dumbbell bar 300 is connected to the dumbbell plates 200 by a clamping portion, and the clamping portion is provided at both ends of the dumbbell bar 300; an installation groove is formed in the dumbbell plates 200, and the clamping portion can be clamped in the installation groove.

[0040] By using the dumbbell facilitating load adjustment provided by the embodiment of the present disclosure, the dumbbell plates 200 can be conveniently fixed through the clamping portions at both ends of the dumbbell bar 300. The dumbbell bar 300 has a rod-shaped structure, and clamping portions are connected to both ends of the dumbbell bar 300. The dumbbell plates 200 have a plate-shaped structure with an installation groove on one side, and the installation groove of the dumbbell plates 200 can be clamped on the clamping portion, so that the dumbbell plates 200 can be clamped and fixed on the clamping portion. The dumbbell plates 200 are connected to the clamping portion through clamping connection, which facilitates the taking and placing of the dumbbell plates 200, thereby facilitating the adjustment of the weight of the dumbbell.

[0041] Optionally, the engaging portion includes: an engaging seat 400, which is respectively fixed at both ends of the dumbbell rod 300, and the side of the engaging seat 400 is matched with the mounting groove of the dumbbell plate 200; a limiting plate 401, which is arranged on the engaging seat 400, and the limiting plate 401 can be arranged side by side on the engaging seat 400, and the limiting plate 401 is arranged between multiple dumbbell plates 200; a locking pin 402, which is telescopically arranged in the engaging seat 400; a pin hole 403 is arranged on the inner side of the mounting groove of the dumbbell plate 200, and the position of the pin hole 403 corresponds to that of the locking pin 402, and the locking pin 402 can be inserted into the pin hole 403. In this way, the engaging portion includes: an engaging seat 400, a limiting plate 401 and a locking pin 402. There are two engaging seats 400, which are respectively connected to both ends of the dumbbell rod 300. The mounting groove of the dumbbell plate 200 can be clamped on the engaging seat 400. Multiple dumbbell plates 200 can be mounted on one engaging seat 400. Limiting pieces are arranged side by side on the engaging seat 400, and are arranged at intervals side by side. The dumbbell plates 200 can be placed between the limiting pieces. The limiting pieces can clamp the dumbbell plates 200. In this way, when the dumbbell plates 200 are clamped on the engaging seat 400, the dumbbell plates 200 can be supported and stabilized. In this way, a single dumbbell plate 200 can also be clamped and fixed on the engaging seat 400. A number of locking pins 402 are arranged on the side of the engaging seat 400. The locking pins 402 can extend out of the engaging seat 400 movably. The mounting groove of the dumbbell plate 200 can be sleeved on the engaging seat 400. A pin hole 403 is arranged on the inner side of the mounting groove of the dumbbell plate 200. The locking pin 402 can be clamped in the pin hole 403. The dumbbell plate 200 can be fixed on the engaging seat 400 through the locking pin 402. When the locking pin 402 is disengaged from the pin hole 403, the dumbbell plate 200 can be disengaged from between the engaging seats 400. The installation of the dumbbell plate 200 can be controlled by controlling the engagement between the locking pin 402 and the pin hole 403.

[0042] Optionally, a number of dumbbell grooves 101 are provided on the dumbbell base 100, and dumbbell plates 200 can be inserted into the dumbbell grooves 101. In this way, the dumbbell grooves 101 on the dumbbell base 100 can accommodate the insertion of the dumbbell plates 200. Multiple dumbbell plates 200 on the dumbbell rod 300 can be inserted through the dumbbell grooves 101 on the dumbbell base 100. In this way, it is convenient to fix and stably support the dumbbell plates 200, and it is convenient to stably fix the dumbbell plates 200 removed from the dumbbell rod 300.

[0043] Optionally, a lifting frame 404 is slidably disposed within the engaging seat 400. A trapezoidal platform 405 is provided on the upper portion of the lifting frame 404. The locking pin 402 is horizontally slidably disposed within the engaging seat 400, and one end of the locking pin 402 extends out of the engaging seat 400. A pulley 406 is provided at the other end of the locking pin 402, and the pulley 406 is disposed on a side of the trapezoidal platform 405 away from the side where the locking pin 402 extends out of the engaging seat 400. In this way, a lifting frame 404 is vertically disposed inside the engaging seat 400, the locking pin 402 is horizontally slidably disposed within the engaging seat 400, one end of the locking pin 402 is telescopically extended out of the engaging seat 400, and the locking pin 402 can be telescopically engaged within the insertion pin hole 403. A trapezoidal platform 405 is provided on the lifting frame 404. The trapezoidal platform 405 is a trapezoidal structure with a narrower upper part and a wider lower part. One end of the locking pin 402 extends out of the engaging seat 400, a pulley 406 is provided at the other end of the locking pin 402, and the pulley 406 is disposed on a side of the trapezoidal platform 405 away from the side where the locking pin 402 passes through the engaging seat 400. Two locking pins 402 are respectively disposed on both sides of the engaging seat 400, and the pulleys 406 on the two locking pins 402 are respectively disposed on both sides of the trapezoidal platform 405. When the trapezoidal platform 405 rises, the side edge of the trapezoidal platform 405 can push the pulley 406 on the locking pin 402, so that the locking pin 402 can contract towards the inside of the engaging seat 400, and the locking pin 402 can be disengaged from the insertion pin hole 403. When the trapezoidal platform 405 descends, the pulley 406 returns to the position lifted by the trapezoidal platform 405, so that the locking pin 402 continues to pass through the side of the engaging seat 400, and the locking pin 402 can be engaged with the insertion pin hole 403.

[0044] Optionally, a pin spring 407 is sleeved on the locking pin 402, and the pin spring 407 pushes the locking pin 402 to extend out of the engaging seat 400. The pin spring 407 on the locking pin 402 can push the locking pin 402 to move towards the outside of the engaging seat 400. In this way, the locking pin 402 is pushed into the insertion pin hole 403 through the housing of the pin spring 407, and the pulley 406 can be pressed against the side edge of the trapezoidal platform 405 through the pin spring 407, so that the pulley 406 can always closely adhere to the side edge of the trapezoidal platform 405. In this way, the telescoping of the locking pin 402 can be controlled by lifting the trapezoidal platform 405, and thus the engagement between the locking pin 402 and the insertion pin hole 403 can be controlled.

[0045] Optionally, a lifting spring 408 is provided on the upper part of the lifting frame 404. The lifting spring 408 presses on the upper part of the lifting frame 404, and the bottom of the lifting frame 404 extends out of the bottom of the engaging seat 400. In this way, the lifting spring 408 on the upper part of the lifting frame 404 can push the lifting frame 404 downward, and the lifting frame 404 can be always pressed downward by the lifting spring 408. In this way, when the bottom of the lifting frame 404 is not stressed, it can prevent the side of the trapezoidal platform 405 on the lifting frame 404 from pushing the pulley 406. A communication hole for the lifting frame 404 to communicate with the outside is provided at the bottom of the engaging seat 400. By inserting into the communication hole, the lifting frame 404 can be pushed. In this way, the trapezoidal platform 405 on the lifting frame 404 can push the pulley 406, so that the locking pin 402 can be disengaged from the insertion hole 403, and the engaging seat 400 can be disengaged from the dumbbell plate 200.

[0046] Optionally, a sliding groove 409 is provided on the side of the locking pin 402, and the locking pin 402 is slidably arranged in the sliding groove 409. In this way, the sliding groove 409 on the side of the locking pin 402 can play a role in stabilizing the sliding of the locking pin 402. Through the sliding groove 409, the locking pin 402 can slide horizontally stably. In this way, by pushing the pulley 406 with the trapezoidal platform 405, the locking pin 402 can slide horizontally.

[0047] Optionally, a top rod 102 is slidably inserted into the dumbbell groove 101. A locking hole 202 is provided on the dumbbell plate 200. The top rod 102 is inserted into the locking hole 202, and the top rod 102 is in contact connection with the lifting frame 404. A lifting frame is provided at the bottom of the top rod 102. In this way, a plurality of dumbbell grooves 101 are arranged in parallel on the upper part of the dumbbell base 100. The dumbbell plate 200 can be inserted through the dumbbell groove 101. In this way, a through locking hole 202 is provided on the dumbbell plate 200. The locking hole 202 communicates with the inside of the installation groove. A top rod 102 is provided inside the dumbbell groove 101. The locking hole 202 of the dumbbell plate 200 can be sleeved on the top rod 102. The top rod 102 can be lifted and lowered in the dumbbell groove 101. The top rod 102 can pass through the communication hole on the engaging seat 400. The top rod 102 can pass through the communication hole and abut against the lifting frame 404. By the top rod 102, the lifting frame 404 can be pushed against, so that the lifting of the lifting frame 404 can be controlled by the top rod 102, and thus the connection and separation between the dumbbell plate 200 and the engaging seat 400 can be controlled.

[0048] Optionally, a sliding rod 103 is provided at the bottom of the ejector rod 102. The sliding rod 103 is vertically provided at the bottom of the ejector rod 102. A sliding frame 104 is provided at the lower part of the ejector rod 102. The sliding frame 104 is slidably provided at the bottom of the dumbbell base 100. A guiding groove 105 is provided on the sliding frame 104. The guiding groove 105 is inclined with respect to the ejector rod 102. Parallel grooves 106 are respectively provided at both ends of the guiding groove 105. The parallel grooves 106 are vertically arranged relative to the ejector rod 102. In this way, the bottom of the ejector rod 102 and the sliding rod 103 are vertically arranged with respect to the ejector rod 102. The bottom of the dumbbell base 100 is slidably provided with a sliding frame 104. The sliding frame 104 is a rectangular frame with a cavity inside. A guiding groove 105 is provided on the side of the sliding frame 104. And the guiding groove 105 is inclined with respect to the ejector rod 102. The included angle between the guiding groove 105 and the ejector rod 102 is °.-°. The sliding frame 104 at the bottom of the ejector rod 102 is slidably arranged in the guiding groove 105. The ejector rod 102 can slide vertically. By moving the sliding frame 104, the sliding rod 103 can slide in the guiding groove 105. In this way, the sliding rod 103 can be pushed to rise and fall through the guiding groove 105, so as to drive the ejector rod 102 to rise and fall. Furthermore, the lifting frame 404 can be pushed to rise and fall through the ejector rod 102. In this way, the dumbbell plate 200 can be connected or separated from the engaging seat 400. And the parallel grooves 106 at both ends of the guiding groove 105 are vertically arranged with respect to the ejector rod 102. In this way, the sliding rod 103 can slide into the parallel groove 106. In this way, the sliding rod 103 can be stably arranged in the parallel groove 106, preventing the sliding frame 104 from moving when the ejector rod 102 presses the guiding groove 105.

[0049] Optionally, a pull rod 107 is provided on one side of the sliding frame 104. One end of the pull rod 107 extends out of one side of the dumbbell base 100. In this way, the pull rod 107 on one side of the sliding frame 104 can control the movement of the sliding frame 104, so as to control the lifting of the ejector rod 102. The pull rod 107 is arranged on one side of the dumbbell base 100, which is convenient for controlling the movement of the sliding frame 104. By pulling the pull rod 107, the connection between the dumbbell plate 200 and the engaging seat 400 can be controlled, so as to conveniently control the number of dumbbell plates 200 on the engaging seat 400.

[0050] The above description and the drawings fully illustrate the embodiments of the present disclosure, enabling those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments only represent possible variations. Unless clearly required, the individual components and functions are optional, and the order of operations can vary. Parts and features of some embodiments may be included in or replace parts and features of other embodiments. The embodiments of the present disclosure are not limited to the structures already described and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present disclosure is only limited by the appended claims.

Claims

1. A dumbbell facilitating load adjustment, characterized in that, Comprising: A dumbbell base (100) for placing dumbbell plates (200); Dumbbell plates (200) that can be inserted side by side and arranged on the dumbbell base (100); A dumbbell rod (300), which is in a rod shape, and the dumbbell rod (300) is connected to the dumbbell plates (200) by clamping, and the clamping part is arranged at both ends of the dumbbell rod (300); An installation groove (201) is formed on the dumbbell plate (200), and the clamping part can be clamped in the installation groove (201).

2. The dumbbell for facilitating load adjustment according to claim 1, wherein, The clamping part includes: Clamping seats (400) respectively fixed at both ends of the dumbbell rod (300), and the side of the clamping seat (400) matches the installation groove (201) of the dumbbell plate (200); Limit plates (401) arranged on the clamping seats (400), and the limit plates (401) can be arranged side by side on the clamping seats (400), and the limit plates (401) are arranged between multiple dumbbell plates (200); Lock pins (402) that are telescopically arranged in the clamping seats (400); A pin hole (403) is arranged on the inner side of the installation groove (201) of the dumbbell plate (200), the position of the pin hole (403) corresponds to the lock pin (402), and the lock pin (402) can be inserted into the pin hole (403).

3. The dumbbell for facilitating load adjustment according to claim 2, wherein, A number of dumbbell grooves (101) are arranged on the dumbbell base (100), and dumbbell plates (200) can be inserted into the dumbbell grooves (101).

4. The dumbbell for facilitating load adjustment according to claim 3, wherein, A lifting frame (404) is slidably arranged in the clamping seat (400), a trapezoidal platform (405) is arranged on the upper part of the lifting frame (404), the lock pin (402) is slidably arranged horizontally in the clamping seat (400), one end of the lock pin (402) extends out of the clamping seat (400), and a pulley (406) is arranged at the other end of the lock pin (402), and the pulley (406) is arranged on the side of the trapezoidal platform (405) away from the end where the lock pin (402) extends out of the clamping seat (400).

5. The dumbbell for facilitating load adjustment according to claim 2, wherein, A pin spring (407) is sleeved on the lock pin (402), and the pin spring (407) pushes the lock pin (402) to extend out of the clamping seat (400).

6. The dumbbell for facilitating load adjustment according to claim 4, wherein A lifting spring (408) is arranged on the upper part of the lifting frame (404), the lifting spring (408) presses on the upper part of the lifting frame (404), and the bottom of the lifting frame (404) extends out of the bottom of the clamping seat (400).

7. The dumbbell for facilitating load adjustment according to claim 5, wherein A sliding groove (409) is arranged on the side of the lock pin (402), and the lock pin (402) is slidably arranged in the sliding groove (409).

8. The dumbbell for facilitating load adjustment according to claim 4, wherein, A push rod (102) is slidably inserted into the dumbbell groove (101), a locking hole (202) is formed on the dumbbell plate (200), the push rod (102) is inserted into the locking hole (202), the push rod (102) is in contact connection with the lifting frame (404), and a lifting frame is arranged at the bottom of the push rod (102).

9. The dumbbell for facilitating load adjustment according to claim 8, wherein, A slide bar (103) is provided at the bottom of the ejector rod (102). The slide bar (103) is vertically provided at the bottom of the ejector rod (102). A slide carriage (104) is provided at the lower part of the ejector rod (102). The slide carriage (104) is slidably provided at the bottom of the dumbbell base (100). A guide groove (105) is provided on the slide carriage (104). The guide groove (105) is inclined relative to the ejector rod (102). Parallel grooves (106) are respectively provided at both ends of the guide groove (105). The parallel grooves (106) are vertically arranged relative to the ejector rod (102).

10. The dumbbell for facilitating load adjustment according to claim 9, wherein, A pull rod (107) is provided on one side of the slide carriage (104). One end of the pull rod (107) extends out of one side of the dumbbell base (100).

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