Connector

Abstract

The utility model provides a connector, which comprises a first main body with a rotating end and a closed end and a second main body rotationally connected to the first main body, a first through groove is formed in the inner side of the first main body, a second through groove is formed in the second main body, and a fixing cavity is defined by the first through groove and the second through groove. The first main body is further provided with a connecting pipe communicated with the first through groove. The connector further comprises a locking device used for opening or closing the fixing cavity. According to the connector, when the fitness equipment is clamped, the fitness equipment is placed in the first through groove, the second main body rotates with the rotating end of the first main body as the rotating center and is closed with the closed end of the first main body, and the first main body and the second main body which are closed are locked through the locking device; the first main body and the second main body only need to be unlocked by the locking device, and the sports equipment connected to the connecting pipe does not need to be disassembled, so that the fitness equipment is more convenient to assemble and disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness equipment, in particular to a connector. Background Art

[0002] Sports equipment is a simple equipment used to enhance muscle strength training. It is named sports equipment because it is silent during exercise. It is used for muscle strength training and muscle compound movement training. Patients with low muscle strength due to motor paralysis, pain, long-term inactivity, etc. can hold sports equipment and use the weight of the sports equipment to perform active resistance exercise to train muscle strength. In order to cater to the favor of fitness enthusiasts, connectors have emerged. Connectors can change sports equipment into a variety of fitness equipment. In the connector of the prior art, the left shell and the right shell of the connector are fitted together to form a connecting tube at the top, and then the left shell and the right shell are fixed on the connecting tube with a nut. When installing and disassembling sports equipment, the left shell and the right shell need to be opened before the sports equipment can be disassembled, which is inconvenient to use.

[0003] Therefore, it is necessary to provide a connector to solve the above technical problems. Utility Model Content

[0004] The utility model provides a connector, which solves the problem in the prior art that a left shell and a right shell of the connector are fitted together to form a connecting tube at the top, and a nut is used to connect the left shell and the right shell to the connecting tube to fix the left shell and the right shell, and when installing and disassembling sports equipment, the left shell and the right shell need to be opened before the sports equipment can be disassembled, which is inconvenient to use.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a connector, including a first body having a rotating end and a closed end, a second body rotatably connected to the rotating end of the first body and able to be closed with the closed end of the first body, a first through groove is arranged on the inner side of the first body, a second through groove is arranged at a position of the second body opposite to the first through groove, the first through groove and the second through groove are enclosed to form a fixed cavity for fixing fitness equipment, the first body is also provided with a connecting pipe for connecting fitness equipment and the connecting pipe is connected with the first through groove, the vertical plane where the connecting pipe is located is not coplanar with the vertical plane where the rotating end is located and the vertical plane where the closed end is located, and the connector also includes a locking device for opening or closing the fixed cavity.

[0006] In the utility model, the closed end of the first body is further provided with a fixing block protruding toward the second body, a fixing groove is provided at a position of the second body opposite to the fixing block, and the locking device is connected to the fixing block.

[0007] In the utility model, the fixed block is provided with a strip-shaped through groove extending along the length direction of the fixed block, and the locking device includes an installation frame connected to the strip-shaped through groove and a first toggle assembly and a second toggle assembly arranged in the installation frame. The first toggle assembly and the second toggle assembly are symmetrically arranged and can move toward each other along the installation frame. When the first toggle assembly and the second toggle assembly are moved to pass through the first body and partially penetrate into the second body, the first body and the second body are locked.

[0008] In the utility model, the first toggle assembly includes a first toggle block and a first positioning rod connected to one side of the first toggle block, and the second toggle assembly includes a second toggle block and a second positioning rod connected to one side of the second toggle block.

[0009] In the utility model, a limiting block is further arranged in the installation frame, and the limiting block is located between the first toggle assembly and the second toggle assembly.

[0010] In the utility model, the first main body is further provided with a nut threadedly connected to the connecting pipe and used for fixing the sports equipment, and a locking tongue connected to the nut and used for clamping the sports equipment, and the nut is hollow.

[0011] In the utility model, a fastener for fastening the fitness equipment is also arranged in the first main body, and the fastener is pressed when the nut rotates.

[0012] In the utility model, the fastener includes a reset column located in the connecting tube, a fastening plate located in the first through groove and with one end extending into the reset column, and a reset spring located between the reset column and the fastening plate for resetting the reset column.

[0013] In the utility model, the sports equipment is a kettlebell handle, the lower part of the kettlebell handle is provided with a connecting column extending into the connecting tube, and the peripheral side of the connecting column is provided with an annular groove for the locking tongue to be engaged.

[0014] In the utility model, the sports equipment is a barbell, the connector is symmetrically arranged, both ends of the barbell are provided with connecting posts extending into the connecting tube, and the peripheral side of the connecting post is provided with an annular groove for the locking tongue to be engaged.

[0015] In the utility model, the sports equipment is a shoe cover, the bottom of the shoe cover is provided with a connecting column extending into the connecting tube, and the peripheral side of the connecting column is provided with an annular groove for the locking tongue to be clamped.

[0016] In the utility model, the sports equipment is a strap, the connector is symmetrically arranged, both ends of the strap are provided with connecting posts extending into the connector, and the peripheral side of the connecting post is provided with an annular groove for the locking tongue to be engaged.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the connector of the utility model clamps the fitness equipment and places the fitness equipment in the first through groove; the second body rotates with the rotating end of the first body as the rotation center and closes with the closed end of the first body; the locking device locks the closed first body and the second body; when disassembling the fitness equipment, only the locking device needs to unlock the first body and the second body, and there is no need to disassemble the sports equipment connected to the connecting pipe, so it is more convenient to install and disassemble the fitness equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. The drawings described below are only drawings corresponding to some embodiments of the utility model.

[0019] Figure 1 The three-dimensional connector of the utility model Figure 1 .

[0020] Figure 2 The three-dimensional connector of the utility model Figure 2 .

[0021] Figure 3 It is a front view of the connector of the present utility model.

[0022] Figure 4 for Figure 3 Section view taken along the cutting line AA.

[0023] Figure 5 It is a top view of the connector of the present utility model.

[0024] Figure 6 for Figure 5 Section view along the cutting line BB.

[0025] Figure 7 It is a three-dimensional diagram of the first embodiment of the connector of the present utility model.

[0026] Figure 8 This is a three-dimensional view of a kettlebell handle of the first embodiment of the connector of the present invention.

[0027] Fig. 9 The third embodiment of the connector of the present invention is shown in FIG. Figure 1 .

[0028] Fig.10 The third embodiment of the connector of the present invention is shown in FIG. Figure 2 .

[0029] Fig.11 It is a three-dimensional diagram of a third embodiment of the connector of the present invention.

[0030] Fig.12 It is a three-dimensional diagram of a fourth embodiment of the connector of the present utility model. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0032] Unless otherwise defined, technical or scientific terms used herein shall have the common meanings understood by one of ordinary skill in the art to which the present disclosure belongs.

[0033] The words "first", "second" and similar words used in the patent application specification and claims of this disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" and similar words mean that the elements or objects appearing before "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. Words such as "connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0035] The following is a preferred embodiment of a connector provided by the present invention that can solve the above technical problems.

[0036] Please refer to Figure 1 and Figure 2 ,in Figure 1 The three-dimensional connector of the utility model Figure 1 , Figure 2 The three-dimensional connector of the utility model Figure 2 .

[0037] In the figures, structurally similar elements are denoted by the same reference numerals.

[0038] The words "first", "second" and the like in the terminology of the present invention are used for descriptive purposes only and should not be understood as indicating or implying relative importance, and should not be construed as limiting the order of precedence.

[0039] The utility model provides a connector, comprising a first body 11 having a rotating end and a closed end, a second body 12 rotatably connected to the rotating end of the first body 11 and capable of being closed with the closed end of the first body 11, a first through groove is arranged on the inner side of the first body 11, a second through groove is arranged on the position of the second body 12 opposite to the first through groove, the first through groove and the second through groove are enclosed to form a fixed cavity 14 for fixing fitness equipment, the first body 11 is also provided with a connecting pipe 113 for connecting fitness equipment, and the connecting pipe 113 is connected with the first through groove, the vertical plane where the connecting pipe 113 is located is not coplanar with the vertical plane where the rotating end is located and the vertical plane where the closed end is located, the connector also includes a locking device 13 for opening or closing the fixed cavity 14, the first body 11 and the second body 12 are used to clamp the fitness equipment, the fitness equipment is placed in the first through groove, and the second body 12 is inserted into the first body 11. The second body 12 rotates in the direction of rotation, and the second body 12 rotates with the rotating end of the first body 11 as the rotation center. When the second body 12 rotates to fit the closed end of the first body 11, at this time, the fitness equipment is located in the fixed cavity 14 formed by the first through groove and the second through groove. The fixed cavity 14 is used to clamp the fitness equipment. Further, the first body 11 and the second body 12 are fixed with a locking device 13 to prevent the first body 11 and the second body 12 from being separated, and the fitness equipment is fixed in the fixed cavity 14 to prevent the fitness equipment from being separated from the first body 11 and the second body 12. When fitness is needed, the sports equipment can be connected to the connecting pipe 113. When the fitness equipment needs to be disassembled, it is only necessary to loosen the locking device 13 from the first body 11 and the second body 12. The fitness equipment can be replaced or disassembled without disassembling the sports equipment connected to the connecting pipe 113, and installation and disassembly are simpler and more convenient.

[0040] The closed end of the first body 11 is also provided with a fixing block 117 protruding toward the second body 12, and a fixing groove 126 is provided at a position opposite to the second body 12 and the fixing block 117. The locking device 13 is connected to the fixing block 117. The fixing block 117 of the first body 11 is used to extend into the fixing groove 126 of the second body 12. The fixing groove 126 is used to limit the fixing block 117. The first body 11 and the second body 12 are closed to prevent the positions of the first body 11 and the second body 12 from shifting. Furthermore, since the locking device 13 is located on the fixing block 117, when the first body 11 and the second body 12 are closed, the locking device 13 is used to fix the closed first body 11 and the second body 12, thereby fixing the fitness equipment in the first body 11 and the second body 12.

[0041] Please refer to Figure 3 and Figure 4 , Figure 3 This is a front view of the connector of the utility model. Figure 4 for Figure 3 In the cross-sectional view taken along the cutting line AA, the fixing block 117 is provided with a strip-shaped through groove extending along the length direction of the fixing block 117, and the locking device 13 includes a mounting frame 131 connected to the strip-shaped through groove and a first toggle assembly 132 and a second toggle assembly 133 disposed in the mounting frame 131. The first toggle assembly 132 and the second toggle assembly 133 are symmetrically arranged and can move toward each other along the mounting frame 131. When the first toggle assembly 132 and the second toggle assembly 133 are moved to pass through the first body 11 and partially penetrate the second body 12, the first body 11 Locked with the second body 12, the bar-shaped through groove is used to install the installation frame 131, and the installation frame 131 is used to install the first toggle assembly 132 and the second toggle assembly 133. The first toggle assembly 132 and the second toggle assembly 133 move towards each other. When the first toggle assembly 132 and the second toggle assembly 133 both pass through the first body 11 and the partial connection and enter the second body 12, the first toggle assembly 132 and the second toggle assembly 133 fix the closed first body 11 and the second body 12, thereby preventing the first body 11 and the second body 12 from separating.

[0042] Please refer to Figure 5 and Figure 6 , Figure 5 is a top view of the connector of the utility model, Figure 6 for Figure 5In the cross-sectional view taken along the cutting line BB, the first toggle assembly 132 includes a first toggle block 1321 and a first positioning rod 1322 connected to one side of the first toggle block 1321, the second toggle assembly 133 includes a second toggle block 1331 and a second positioning rod 1332 connected to one side of the second toggle block 1331, and a limiting block 134 is further provided in the mounting frame 131, and the limiting block 134 is located between the first toggle assembly 132 and the second toggle assembly 133, and the first toggle block 1321 is used to drive the first positioning rod 1322 to move, and the first positioning rod 1322 is used to move. The rod 1322 is used to pass through the first body 11 and be connected in the second body 12, the second toggle block 1331 is used to drive the second positioning rod 1332 to move, the second positioning rod 1332 is used to pass through the first body 11 and be connected in the second body 12, and at the same time, the limit block 134 is located between the first toggle assembly 132 and the second toggle assembly 133, and the limit block 134 is used to prevent the second toggle assembly 133 from entering the active range of the first toggle assembly 132 or prevent the first toggle assembly 132 from entering the active range of the second toggle assembly 133.

[0043] The first main body 11 is also provided with a nut 111 which is threadedly connected to the connecting tube 113 and is used to fix the sports equipment. The nut 111 is hollow, and locking tongues 112 for clamping the sports equipment are provided on both sides of the nut 111. The locking tongues 112 are used to clamp the sports equipment to prevent the sports equipment from being separated from the connecting tube 113. At the same time, the nut 111 is used to fasten the sports equipment to the connecting tube 113 to prevent the sports equipment from being separated from the connector.

[0044] The first body 11 is also provided with a fastener 114 for fastening the fitness equipment. When the nut 111 rotates, the sports equipment is driven to squeeze the fastener 114. The fastener 114 includes a reset column 1141 located in the connecting tube 113, a fastening sheet 1142 located in the first through groove and one end of which extends into the reset column 1141, and a reset spring 1143 located between the reset column 1141 and the fastening sheet 1142 for resetting the reset column 1141. The fastener 114 is used to fasten the fitness equipment to prevent the fitness equipment from shaking in the fixing cavity 14. When tightening, the nut 111 rotates to drive the sports equipment to be squeezed in the direction of the reset column 1141. After the reset column 1141 is squeezed, it moves in the direction of the fastening plate 1142. At the same time, the reset spring 1143 is deformed by the squeezing force of the reset column 1141. When the reset column 1141 pushes the fastening plate 1142 to move, the fastening plate 1142 moves in the direction of the fitness equipment and squeezes the sports equipment. The fastener 114 is used to firmly connect the fitness equipment in the fixing cavity 14, thereby preventing the fitness equipment from shaking between the first body 11 and the second body 12.

[0045] In this embodiment, a bottom pad 121 is further disposed in the second through groove and is opposite to the fastening piece 1142 . The bottom pad 121 and the fastening piece 1142 cooperate with each other to further prevent the fitness equipment from shaking between the first body 11 and the second body 12 .

[0046] Working principle:

[0047] When the fitness equipment is to be clamped, first, the first toggle assembly 132 and the second toggle assembly 133 are brought close to each other, so that the first positioning rod 1322 of the first toggle assembly 132 and the second positioning rod 1332 of the second toggle assembly 133 are away from the second body 12, so as to prevent the first body 11 and the second body 12 from being unable to open. Further, after the first body 11 and the second body 12 are opened, the position where the fitness equipment needs to be clamped is placed in the first through groove, and the second body 12 is rotated in the direction of the first body 11, and the second body 12 rotates with the rotating end of the first body 11 as the rotation center. Furthermore, after the second body 12 is fitted with the closed end of the first body 11, the first toggle block 1321 and the second toggle block 1331 are respectively toggled, and the first toggle block 1321 and the second toggle block 1331 move toward the two ends of the mounting frame 131, and the first toggle block 1321 pushes the first positioning rod 1322 to pass through the first body 11 and extend into the second body 12, and the second toggle block 1331 drives the second positioning rod 1332 to pass through the first body 11 and extend into the second body 12, thereby fixing the first body 11 and the second body 12, so that the fitness equipment is fixed in the fixing cavity 14.

[0048] Furthermore, when the sports equipment is to be installed, the sports equipment is first inserted into the connecting tube 113, and the locking tongue 112 is inserted into the sports equipment from both sides of the nut 111 and clamped in the sports equipment, and the nut 111 is rotated. The nut 111 drives the sports equipment to move in the direction of the fitness equipment. When the nut 111 descends, it also drives the sports equipment to be squeezed toward the reset column 1141. The reset column 1141 squeezes the reset spring 1143 and pushes the fastening plate 1142 to move in the direction of the fitness equipment. When the two ends of the fitness equipment are respectively fitted with the fastening plate 1142 and the bottom pad 121, the fitness equipment is stably fixed in the connector to prevent the fitness equipment from shaking in the connector. When the fitness equipment is to be disassembled, the first positioning rod 1322 and the second positioning rod 1332 only need to be withdrawn from the second main body 12 to disassemble the fitness equipment. There is no need to disassemble the sports equipment for installation and disassembly, which makes installation and disassembly of the fitness equipment more convenient.

[0049] First embodiment:

[0050] Please refer to Figure 7 and Figure 8 , Figure 7 This is a three-dimensional diagram of a first embodiment of the connector of the utility model. Figure 8This is a stereoscopic view of a kettlebell handle of the first embodiment of the connector of the present utility model. In this embodiment, the kettlebell handle 20 is connected to the connecting tube 113 of the connector and can be used as a kettlebell.

[0051] The sports equipment is a kettlebell handle 20, and a connecting column 201 extending into the connecting tube 113 is provided at the lower part of the kettlebell handle, and an annular groove 202 in which the locking tongue 112 is engaged is provided on the circumferential side of the connecting column 201. The connecting column 201 of the kettlebell handle is extended into the connecting tube 113, and the locking tongue 112 is engaged in the annular groove 202 of the connecting column 201, so that the kettlebell handle is fixed to the connector. Further, the nut 111 is rotated, and the nut 111 drives the locking tongue 112 to move in the annular groove 202. The nut 111 descends and drives the kettlebell handle to be squeezed toward the reset column 1141 at the same time. The reset column 1141 squeezes the reset spring 1143 and pushes the fastening plate 1142 to move in the direction of the sports equipment. When the two ends of the sports equipment are respectively fitted with the fastening plate 1142 and the bottom pad 121, the sports equipment is stably fixed in the connector to prevent the sports equipment from shaking in the connector. When exercising, the kettlebell handle 20 can be used as a kettlebell by holding it in the hand.

[0052] Second embodiment:

[0053] Please refer to Fig. 9 and Fig.10 , Fig. 9 The third embodiment of the connector of the present invention is shown in FIG. Figure 1 , Fig.10 The third embodiment of the connector of the present invention is shown in FIG. Figure 2 In this embodiment, both ends of the barbell rod 30 are connected in symmetrical connectors, and the shell is used as a barbell.

[0054] The sports equipment is a barbell 30, and the connector is symmetrically arranged. Both ends of the barbell 30 are provided with connecting columns 201 extending into the connecting tube 113, and the surrounding side of the connecting column 201 is provided with an annular groove 202 engaged with a locking tongue 112. The two ends of the barbell 30 are respectively connected to the symmetrical connectors, and the connecting columns 201 at both ends of the barbell 30 are respectively extended into the connecting tube 113 in the symmetrical connector, and are engaged in the annular groove 202 with the locking tongue 112, so that the symmetrical connector is turned into a barbell, which is convenient for fitness enthusiasts to exercise in many aspects.

[0055] In this embodiment, the barbell bar 30 may also be in a wave shape, and the wave-shaped barbell bar 30 is convenient for the user to grab the barbell bar 30 .

[0056] Third embodiment:

[0057] Please refer to Fig.11 , Fig.11It is a three-dimensional diagram of a third embodiment of the connector of the utility model. In this embodiment, the bottom of the shoe cover 40 is connected to the connector, and can be used as a leg exercise equipment.

[0058] The sports equipment is a shoe cover 40, and a connecting column 201 extending into a connecting tube 113 is provided at the bottom of the shoe cover 40, and an annular groove 202 for engaging a locking tongue 112 is provided around the connecting column 201. The connecting column 201 at the bottom of the shoe cover 40 is extended into the connecting tube 113, and the locking tongue 112 is engaged in the annular groove 202. A fitness person can extend his foot into the shoe cover 40 to exercise his leg. When exercising his leg, he can wear the foot on the shoe cover 40 to exercise his leg.

[0059] Fourth embodiment:

[0060] Please refer to Fig.12 , Fig.12 It is a three-dimensional diagram of the fourth embodiment of the connector of the utility model. In this embodiment, both ends of the strap 50 are connected in the connector, which can be used as a waist exercise equipment.

[0061] The sports equipment is a strap 50, and the connector is symmetrically arranged. Both ends of the strap 50 are provided with connecting columns 201 extending into the connector, and the surrounding sides of the connecting columns 201 are provided with an annular groove 202 engaged with a locking tongue 112. After the connecting columns 201 at both ends of the strap 50 are respectively connected to the connecting tube 113 of the connector and engaged in the annular groove 202 with the locking tongue 112, the strap 50 is placed on the waist of the fitness user, so that the waist of the fitness user can be exercised. When exercising the waist, the fitness user lies flat on the ground, places the strap 50 on the waist, and places the connectors at both ends on both sides of the exerciser, so that the exerciser can exercise the waist conveniently.

[0062] When the connector of this preferred embodiment clamps the fitness equipment, the fitness equipment is placed in the first through groove, the second body rotates with the rotating end of the first body as the rotation center and closes with the closed end of the first body, and the locking device locks the closed first body and the second body. When disassembling the fitness equipment, only the locking device needs to unlock the first body and the second body, and there is no need to disassemble the sports equipment connected to the connecting pipe, which makes it more convenient to install and disassemble the fitness equipment.

[0063] In summary, although the present invention has been disclosed as above in terms of preferred embodiments, the above preferred embodiments are not intended to limit the present invention. A person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope defined in the claims.

Claims

1. A connector, characterized in that: The invention comprises a first main body having a rotating end and a closed end, and a second main body rotatably connected to the rotating end of the first main body and closable with the closed end of the first main body, a first through groove is arranged on the inner side of the first main body, a second through groove is arranged on the second main body at a position opposite to the first through groove, the first through groove and the second through groove are combined to form a fixed cavity for fixing the fitness equipment, the first main body is also provided with a connecting pipe for connecting the fitness equipment and the connecting pipe is connected with the first through groove, the vertical plane where the connecting pipe is located is not coplanar with the vertical plane where the rotating end is located and the vertical plane where the closed end is located, and the connector also comprises a locking device for opening or closing the fixed cavity.

2. The connector according to claim 1, characterized in that: The closed end of the first body is also provided with a fixing block protruding toward the second body, and a fixing groove is provided at a position of the second body opposite to the fixing block, and the locking device is connected to the fixing block.

3. The connector according to claim 2, characterized in that: The fixing block is provided with a strip-shaped through groove extending along the length direction of the fixing block, and the locking device includes an installation frame connected to the strip-shaped through groove and a first toggle assembly and a second toggle assembly arranged in the installation frame. The first toggle assembly and the second toggle assembly are symmetrically arranged and can move toward each other along the installation frame. When the first toggle assembly and the second toggle assembly are moved to pass through the first body and partially penetrate into the second body, the first body and the second body are locked.

4. The connector according to claim 3, characterized in that: The first toggle assembly includes a first toggle block and a first positioning rod connected to one side of the first toggle block, and the second toggle assembly includes a second toggle block and a second positioning rod connected to one side of the second toggle block.

5. The connector according to claim 3, characterized in that: A limit block is also provided in the installation frame, and the limit block is located between the first toggle assembly and the second toggle assembly.

6. The connector according to claim 1, characterized in that: The first main body is also provided with a nut threadedly connected to the connecting pipe and used for fixing the sports equipment, and a locking tongue connected to the nut and used for clamping the sports equipment, and the nut is hollow.

7. The connector according to claim 6, characterized in that: A fastener for fastening the fitness equipment is also arranged in the first body, and the fastener is pressed when the nut rotates.

8. The connector according to claim 7, characterized in that: The fastener comprises a reset column located in the connecting tube, a fastening sheet located in the first through slot and with one end extending into the reset column, and a reset spring located between the reset column and the fastening sheet for resetting the reset column.

9. The connector according to claim 6, characterized in that: The sports equipment is a kettlebell handle, the lower part of which is provided with a connecting column extending into the connecting tube, and the peripheral side of the connecting column is provided with an annular groove for the locking tongue to be engaged.

10. The connector according to claim 6, characterized in that: The sports equipment is a barbell, the connectors are symmetrically arranged, both ends of the barbell are provided with connecting posts extending into the connecting tube, and the peripheral sides of the connecting posts are provided with an annular groove for the locking tongue to be engaged.

11. The connector according to claim 6, characterized in that: The sports equipment is a shoe cover, the bottom of the shoe cover is provided with a connecting column extending into the connecting tube, and the peripheral side of the connecting column is provided with an annular groove for the locking tongue to be clamped.

12. The connector according to claim 6, characterized in that: The sports equipment is a strap, the connector is symmetrically arranged, both ends of the strap are provided with connecting posts extending into the connector, and the surrounding side of the connecting post is provided with an annular groove for the locking tongue to be engaged.

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