WO2022099461A1

WO2022099461A1 - Dumbbell having dumbbell plates convenient to disassemble

Info

Publication number: WO2022099461A1
Application number: PCT/CN2020/127818
Authority: WO
Inventors: 张永
Original assignee: 宿迁楚霸体育器械有限公司
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2022-05-19

Abstract

A dumbbell having dumbbell plates convenient to disassemble, comprising extrusion devices (1), a dumbbell bar (2), box bodies (3), and guide boxes (4). The box bodies (3) are fixedly mounted at both ends of the inner wall of the dumbbell bar (2). A telescopic rod (31) is fixedly mounted on the inner wall of each box body (3). A second spring (32) is inserted and connected to the inner wall of each telescopic rod (31). A compression plate (33) is fixedly mounted at the top of each telescopic rod (31). Each extrusion device (1) comprises a double torsion spring (11). Each guide box (4) is fixedly mounted at the left end of a box body (3). A first connection box (12) is inserted and connected to the left end of the inner wall of each guide box (4). One end of each double torsion spring (11) is inserted into the inner wall of a first connection box (12). A third spring (41) is connected to the outer wall of the right end of each first connection box (12).Each third spring (41) is connected to the right end of the inner wall of a guide box (4). One end of each double torsion spring (11) is inserted and connected to the inner wall of a second connection box (13). The present dumbbell is capable of fixing the dumbbell plates without using nuts, so that the dumbbell plates may be conveniently disassembled, and time is also saved.

Description

A kind of dumbbell which is easy to disassemble and assemble the dumbbell plate

technical field

The utility model relates to the field of dumbbells, in particular to a dumbbell which is convenient for disassembling and assembling dumbbell pieces.

Background technique

Dumbbell is a simple equipment used to enhance muscle strength training. Its main material is cast iron, and some are covered with a layer of rubber. Its use is for muscle strength training, muscle compound movement training, due to sports paralysis, pain, long-term For patients with low muscle strength due to inactivity, holding dumbbells, they can use the weight of dumbbells to carry out active anti-resistance exercises to train muscle strength. A kind of auxiliary equipment for muscle compound movement training, weightlifting and fitness exercises. There are two kinds of fixed weights and adjustable weights. Fixed weight dumbbells are made of cast iron, with an iron rod in the middle as a dumbbell bar, and both ends are solid ball exercises. The adjustable dumbbells are similar to reduced barbells. Dumbbells made of round iron sheets with different weights at both ends, you can increase or decrease weight when lifting weights or fitness exercises

The prior art has the following deficiencies: in the existing dumbbells with adjustable weight, when the weight of the dumbbell needs to be adjusted, the fixing nut on the dumbbell rod needs to be unscrewed first, the dumbbell plate is taken out from the dumbbell rod, and then the fixing nut is reset. , the adjustment process is complicated and time consuming.

Therefore, it is necessary to invent a dumbbell which is easy to disassemble and assemble the dumbbell plate.

Utility model content

To this end, the utility model provides a dumbbell that is easy to disassemble and assemble the dumbbell plate, which can be retracted into the sliding groove through a pressing device, so that the dumbbell plate can be disassembled and assembled, and the dumbbell plate can be squeezed and fixed by the pressing device. , in order to solve the problem that the adjustment process is complicated and time-wasting when adjusting the dumbbell plate.

In order to achieve the above purpose, the present invention provides the following technical solutions: a dumbbell that is easy to disassemble and assemble a dumbbell plate, including a pressing device, a dumbbell rod, a box body and a guide box, and both ends of the inner wall of the dumbbell rod are evenly fixed to install the box The inner wall of the box is fixedly installed with a telescopic rod, the inner wall of the telescopic rod is inserted with the second spring, and the top of the telescopic rod is fixedly installed with a compression plate;

The pressing device includes a double torsion spring, the left end of the box body is fixedly installed with the guide box, the left end of the inner wall of the guide box is inserted into the first connection box, and one end of the double torsion spring is inserted into the inner wall of the first connection box, The outer wall of the first right end of the connection box is connected to the third spring, the right end of the inner wall of the guide box is connected to the third spring, and one end of the double torsion spring is inserted into the inner wall of the second connection box, and the second connection box is inserted into the inner wall of the sliding groove.

Preferably, the pressing device further comprises a positioning plate, the left end of the inner wall of the guide box is inserted into the positioning plate, the outer wall of the right end of the positioning plate is connected to the spring 3, and the inner wall of the left end of the positioning plate is inserted into the pressing plate through pins, The pressing plate is inserted into the inner wall of the sliding groove.

Preferably, the bottom of the pressing plate is connected to the first spring, and the top of the guide box is connected to the first spring.

Preferably, the sliding grooves are evenly opened at both ends of the inner wall of the dumbbell bar.

Preferably, lifting grooves are evenly opened at both ends of the inner wall of the dumbbell rod, and the top end of the telescopic rod is inserted into the inner wall of the lifting groove.

Preferably, two ends of the inner wall of the dumbbell bar are evenly provided with placement slots, the left end of the placement slot is connected to a lifting slot, and the placement slot is located below the compression plate.

The beneficial effects of the present utility model are:

When using the utility model, when the dumbbell plate needs to be adjusted, firstly pull the second connection box to move outwards, and when the second connection box moves outwards, the second connection box will drive the first connection box to move outward through the double torsion spring, and then the first connection box will move out. It will move in the guide box, and will pull the spring 3. After moving the connection box 2 to a certain distance, release the connection box 2, and the double torsion spring will drive the connection box 2 to automatically retract into the sliding groove through the elastic force. And at the same time, the pulled spring 3 will drive the connection box to return to its original position through the elastic force, and then press the compression plate, the compression plate will drive the spring 2 to shrink through the telescopic rod, until the compression plate moves to the placement slot, and then The dumbbell plate is taken out from the dumbbell bar. After taking it out, release the compression plate. The second spring will drive the telescopic rod to extend through the elastic force, and the extended telescopic rod will drive the compression plate to return to its original position. Insert the dumbbell plate into the dumbbell bar, and then press and hold the compression plate, so that the dumbbell plate can move in the dumbbell bar. When the dumbbell plate is moved to a proper position, release the compression plate, and then the telescopic bar will press against the dumbbell. Block the dumbbell sheet and attach the dumbbell sheet to the telescopic rod. After attaching, pull the connection box 2, and the connection box 2 will move outward. When it moves to a suitable place, move the connection box 2 upwards. After attaching the connection box 2 to the dumbbell piece, the connection box 2 will squeeze and fix the dumbbell piece through the double torsion spring, and fix the dumbbell piece without using a nut, which not only facilitates the disassembly and assembly of the dumbbell piece, but also saves time.

Description of drawings

1 is a schematic front view of the structure of Embodiment 1 provided by the utility model;

2 is a schematic top view of a dumbbell bar provided by the utility model;

3 is an enlarged schematic view of the front view A area of the structure of Embodiment 1 provided by the present invention;

4 is a schematic front view of the structure of Embodiment 2 provided by the utility model;

5 is an enlarged schematic view of the frontal view B area of the structure of Embodiment 2 provided by the present invention;

FIG. 6 is a schematic top view of the structure of the positioning plate according to the first embodiment of the present invention.

In the figure: extrusion device 1, double torsion spring 11, connection box 1 12, connection box 2 13, positioning plate 14, extrusion plate 15, spring 1 16, dumbbell bar 2, sliding slot 21, lifting slot 22, placement slot 23. Box body 3, telescopic rod 31, spring two 32, compression plate 33, guide box 4, spring three 41.

Detailed ways

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, but not to limit the present utility model.

Embodiment 1, referring to Figures 1 to 3, the utility model provides a dumbbell for easy disassembly and assembly of dumbbell plates, including a pressing device 1, a dumbbell rod 2, a box body 3 and a guide box 4;

Further, both ends of the inner wall of the dumbbell bar 2 are evenly fixed to install the box body 3, the inner wall of the box body 3 is fixedly installed with a telescopic rod 31, the inner wall of the telescopic rod 31 is inserted with the spring II 32, and the top of the telescopic rod 31 The compression plate 33 is fixedly installed. Specifically, the inner wall of the dumbbell bar 2 has a fixing effect on the box body 3, the box body 3 has a fixing effect on the telescopic rod 31, the telescopic rod 31 has a telescopic effect, and the telescopic rod 31 has a fixing effect on the spring two 32, The spring two 32 has the effect of generating elastic force through deformation, the telescopic rod 31 has a fixing effect on the compression plate 33, the compression plate 33 has the function of allowing the telescopic rod 31 to expand and contract, and the compression plate 33 prevents the spring two 32 from being separated from the telescopic rod 31. effect.

Further, the extrusion device 1 includes a double torsion spring 11, the guide box 4 is fixedly installed at the left end of the box body 3, the left end of the inner wall of the guide box 4 is plugged into the connection box 1 12, and one end of the double torsion spring 11 is installed. It is plugged into the inner wall of the connection box 12, the outer wall of the right end of the connection box 12 is connected to the spring 3 41, the right end of the inner wall of the guide box 4 is connected to the spring 3 41, and one end of the double torsion spring 11 is inserted into the connection box. The inner wall of the second 13, the connection box 2 13 is inserted into the inner wall of the sliding groove 21, specifically, the box body 3 has a fixed effect on the guide box 4, and the connection box 1 12 has the function of guiding and moving in the guide box 4, and the connection The box one 12 has a fixed effect on the double torsion spring 11, the double torsion spring 11 has the effect of generating elastic force by twisting, the connecting box one 12 has a fixed effect on the spring three 41, the guide box 4 has a fixed effect on the spring three 41, the spring The third 41 has the function of guiding and moving in the guide box 4, the spring third 41 has the function of generating elastic force through deformation, the double torsion spring 11 has a fixing effect on the second connecting box 13, and the second connecting box 13 has the effect of increasing the area of the receptor , the second connection box 13 has the function of pressing and fixing the dumbbell piece through the double torsion spring 11 , and the second connection box 13 has the function of sliding in the sliding groove 21 .

Further, the two ends of the inner wall of the dumbbell bar 2 are evenly provided with the sliding grooves 21 . Specifically, the sliding grooves 21 have the function of accommodating the second connecting box 13 , and the second accommodating connecting box 13 has the function of facilitating the movement of the dumbbell pieces.

Further, two ends of the inner wall of the dumbbell bar 2 are evenly provided with lifting grooves 22, and the top end of the telescopic rod 31 is inserted into the inner wall of the lifting groove 22. The telescopic rod 31 has the function of facilitating the movement of the dumbbell plate.

Further, two ends of the inner wall of the dumbbell bar 2 are evenly provided with placement slots 23 , the left end of the placement slot 23 is connected to the lifting slot 22 , and the placement slot 23 is located below the compression plate 33 . The function of the compression plate 33 .

The use process of the utility model is as follows: when the dumbbell plate needs to be adjusted when using the utility model, firstly pull the second connecting box 13 to move outwards, and when the second connecting box 13 moves outward, the second connecting box 13 will pass through the double torsion spring. 11 drives the connecting box one 12 to move outward, and then the connecting box one 12 will move in the guide box 4, and will pull the spring three 41, after moving the connecting box two 13 to a certain distance, release the connecting box two 13, double The torsion spring 11 will drive the connection box two 13 to automatically retract into the sliding groove 21 by elastic force, and at the same time, the pulled spring three 41 will drive the connection box one 12 to return to the original position by the elastic force, and then press the compression plate 33, The compression plate 33 will drive the spring two 32 to contract through the telescopic rod 31 until the compression plate 33 is moved to the placement slot 23, and then the dumbbell piece is taken out from the dumbbell rod 2. After taking it out, release the compression plate 33 and the spring two 32 It will drive the telescopic rod 31 to extend through the elastic force, and the stretched telescopic rod 31 will drive the compression plate 33 to return to its original position. Plate 33, so that the dumbbell plate can move in the dumbbell bar 2, when the dumbbell plate is moved to a proper position, release the compression plate 33, and then the telescopic rod 31 will block the dumbbell plate, and connect the dumbbell plate with the telescopic plate 33. The rod 31 is attached. After attaching, pull the connection box 2 13, and the connection box 2 13 will move outward. When it moves to a suitable place, move the connection box 2 13 upward. After the plate moves, the connection box 2 13 will be moved upward. Fitting the dumbbell piece, the connection box 2 13 will press and fix the dumbbell piece through the double torsion spring 11 .

Embodiment 2, with reference to accompanying drawings 4-6, the utility model provides a dumbbell for easy disassembly and assembly of dumbbell pieces, including a pressing device 1, a dumbbell rod 2, a box body 3 and a guide box 4;

Further, the pressing device 1 further includes a positioning plate 14, the left end of the inner wall of the guide box 4 is plugged into the positioning plate 14, the outer wall of the right end of the positioning plate 14 is connected to the spring 3 41, and the inner wall of the left end of the positioning plate 14 passes through. The pin is inserted into the extrusion plate 15, and the extrusion plate 15 is inserted into the inner wall of the sliding groove 21. Specifically, the positioning plate 14 has the function of guiding and moving in the guide box 4, and the positioning plate 14 has a fixing function to the spring three 41. , the positioning plate 14 has a fixed effect on the pressing plate 15 through the pin (not marked in the figure), and the pressing plate 15 has the function of rotating in the positioning plate 14 through the pin (not marked in the figure). The plate has the function of pressing and fixing, the pressing plate 15 has the function of sliding in the sliding groove 21, the sliding groove 21 has the function of accommodating the pressing plate 15, and the contained pressing plate 15 has the function of facilitating the movement of the dumbbell plate.

Further, the bottom of the pressing plate 15 is connected to the spring one 16, and the top of the guide box 4 is connected to the spring one 16. Specifically, the pressing plate 15 and the guide box 4 have a fixing effect on the spring one 16, and the spring one 16 The deformation has the effect of generating elastic force, and the pressing plate 15 has the effect of pressing and fixing the dumbbell piece through the spring one 16 .

The use process of the utility model is as follows: when the dumbbell plate needs to be adjusted when the utility model is used, the pressing plate 15 is firstly pulled to move outwards, and when the pressing plate 15 moves outward, the pressing plate 15 will pass through the pin (Fig. (not marked in the middle) drives the positioning plate 14 to move outward, then the positioning plate 14 will move in the guide box 4, and will pull the spring three 41, after moving the pressing plate 15 to a certain distance, release the pressing plate 15, The first spring 16 will drive the pressing plate 15 to automatically retract into the sliding groove 21 through the elastic force, and at the same time, the pulled spring third 41 will drive the positioning plate 14 to return to its original position through the elastic force, and then press the compression plate 33 to compress the The plate 33 will drive the spring two 32 to contract through the telescopic rod 31 until the compression plate 33 is moved to the placement slot 23, and then the dumbbell piece is taken out from the dumbbell rod 2. After taking it out, release the compression plate 33, and the spring two 32 will It will drive the telescopic rod 31 to extend through the elastic force, and the stretched telescopic rod 31 will drive the compression plate 33 to return to its original position. After that, insert the dumbbell plate to be replaced into the dumbbell rod 2, and then press the compression plate 33. The dumbbell plate can be moved in the dumbbell bar 2. When the dumbbell plate is moved to a proper position, release the compression plate 33, and then the telescopic rod 31 will block the dumbbell plate, and connect the dumbbell plate with the telescopic rod. 31 Fitting, after fitting, pull the pressing plate 15, the pressing plate 15 will move outwards, when it moves to a suitable place, move the pressing plate 15 upward, and then stick the pressing plate 15 after the plate is moved When the dumbbell plate is closed, the pressing plate 15 will press and fix the dumbbell plate through the spring one 16 .

The above are only preferred embodiments of the present invention, and any person skilled in the art may modify the present invention by using the technical solutions described above or modify them into equivalent technical solutions. Therefore, any simple modification or equivalent replacement performed according to the technical solution of the present invention falls within the protection scope of the present invention.

Claims

A dumbbell for easy disassembly and assembly of dumbbell pieces, comprising a pressing device (1), a dumbbell bar (2), a box body (3) and a guide box (4), characterized in that: both ends of the inner wall of the dumbbell bar (2) The box body (3) is evenly and fixedly installed, the inner wall of the box body (3) is fixedly installed with a telescopic rod (31), the inner wall of the telescopic rod (31) is inserted into the second spring (32), and the telescopic rod (31) A compression plate (33) is fixedly installed on the top;

The pressing device (1) includes a double torsion spring (11), the guide box (4) is fixedly installed at the left end of the box body (3), and the left end of the inner wall of the guide box (4) is plugged into the connection box one (12). ), one end of the double torsion spring (11) is inserted into the inner wall of the first connection box (12), the outer wall of the right end of the connection box one (12) is connected to the spring three (41), and the right end of the inner wall of the guide box (4) Connecting the third spring (41), one end of the double torsion spring (11) is inserted into the inner wall of the second connection box (13), and the second connection box (13) is inserted into the inner wall of the sliding groove (21).
A dumbbell for easy disassembly and assembly of dumbbell plates according to claim 1, characterized in that: the pressing device (1) further comprises a positioning plate (14), and the left end of the inner wall of the guide box (4) is inserted into the A positioning plate (14), the outer wall at the right end of the positioning plate (14) is connected to a spring three (41), and the inner wall at the left end of the positioning plate (14) is inserted into a pressing plate (15) through pins, and the pressing plate (15) It is inserted into the inner wall of the sliding groove (21).
The dumbbell according to claim 2, characterized in that: the bottom of the pressing plate (15) is connected to the spring one (16), and the top of the guide box (4) is connected to the spring one (16).
The dumbbell according to claim 1, characterized in that the sliding grooves (21) are evenly opened at both ends of the inner wall of the dumbbell bar (2).
The dumbbell according to claim 1, characterized in that: both ends of the inner wall of the dumbbell rod (2) are evenly provided with lifting grooves (22), and the top of the telescopic rod (31) is plugged in. on the inner wall of the lift groove (22).
The dumbbell according to claim 1, characterized in that: both ends of the inner wall of the dumbbell bar (2) are evenly provided with placement grooves (23), and the left end of the placement groove (23) is connected to the lift A slot (22), the placement slot (23) is located below the compression plate (33).