Back muscle training device

Abstract

The utility model discloses a dorsal muscle training device which comprises a bottom frame provided with a first positioning piece. The resistance providing mechanism provides resistance for lifting of the resistance rod; the abdomen supporting assembly comprises an abdomen supporting frame, an adjusting piece and a connecting piece, the abdomen supporting frame is rotationally connected with the connecting piece, the connecting piece is rotationally connected with the bottom frame, the adjusting piece is fixedly connected with the abdomen supporting frame, and the adjusting piece is provided with a plurality of first positioning grooves; the abdomen supporting assembly is located above the resistance rod, and the first positioning piece is placed in any first positioning groove so that the bottom frame can support the abdomen supporting frame. The first positioning pieces are placed in different first positioning grooves, the relative positions of the abdomen supporting frame and the bottom frame and the inclination degree of the abdomen supporting frame are adjusted, and therefore the training requirements of different users are met.

Description

Technical Field

[0001] The utility model generally relates to the field of fitness equipment, and particularly relates to a back muscle training device. Background Art

[0002] With the increasing attention of people to health, fitness exercises have become an indispensable part of people's lives, and fitness equipment has also developed rapidly. For example, a back muscle training device for training back muscles. There are various back muscle training devices, and one of them adopts a prone position, uses an abdominal support component to support the abdomen, and conducts back muscle training by pulling a resistance rod.

[0003] In the prior art, the abdominal support component is usually fixed and cannot be adjusted, so it cannot meet the training needs of different users. Summary of the Utility Model

[0004] In view of the above defects or deficiencies in the prior art, it is expected to provide a back muscle training device that meets the training needs of different users.

[0005] In a first aspect, the back muscle training device of the present utility model includes:

[0006] A chassis provided with a first positioning member;

[0007] A resistance providing mechanism that provides resistance for the lifting of the resistance rod; and

[0008] An abdominal support component including an abdominal support frame, an adjusting member, and a connecting member. The abdominal support frame is rotatably connected to the connecting member, the connecting member is rotatably connected to the chassis, the adjusting member is fixedly connected to the abdominal support frame, the adjusting member is provided with a plurality of first positioning grooves, and the abdominal support component is located above the resistance rod.

[0009] Insert the first positioning member into any one of the first positioning grooves to enable the chassis to support the abdominal support frame.

[0010] According to the technical solution provided by the embodiment of the present application, by inserting the first positioning member into different first positioning grooves, the relative position between the abdominal support frame and the chassis and the inclination degree of the abdominal support frame are adjusted, so as to meet the training needs of different users. Description of the Drawings

[0011] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, purposes, and advantages of the present application will become more obvious:

[0012] Figure 1 It is the front view of the back muscle training device according to the embodiment of the present utility model;

[0013] Figure 2 The right view of the back muscle training device according to an embodiment of the present utility model;

[0014] Figure 3 The top view of the back muscle training device according to an embodiment of the present utility model;

[0015] Figure 4 The perspective view of the back muscle training device according to an embodiment of the present utility model;

[0016] Figure 5 is Figure 4 The partial enlarged view of part A in

[0017] Figure 6 The structural schematic diagram of the resistance providing mechanism of the back muscle training device according to an embodiment of the present utility model. Specific embodiments

[0018] The following further details the present application in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the relevant utility model and not to limit the utility model. Additionally, it should be noted that for the sake of description, only the parts related to the utility model are shown in the drawings.

[0019] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will detail the present application with reference to the accompanying drawings and embodiments.

[0020] Please refer to Figures 1 to 6 , the back muscle training device of the present utility model includes: a chassis 100, which is provided with a first positioning member 110; a resistance providing mechanism, which provides resistance for the lifting of a resistance rod 500; and an abdominal support assembly 400, which includes an abdominal support frame 410, an adjusting member 420 and a connecting member 430. The abdominal support frame 410 is rotatably connected to the connecting member 430, the connecting member 430 is rotatably connected to the chassis 100, the adjusting member 420 is fixedly connected to the abdominal support frame 410, the adjusting member 420 is provided with a plurality of first positioning grooves 422, the abdominal support assembly 400 is located above the resistance rod 500, and the first positioning member 110 is placed into any one of the first positioning grooves 422 so that the chassis 100 supports the abdominal support frame 410.

[0021] In an embodiment of the present utility model, the abdominal support frame 410 is rotatably connected to the connecting member 430, and the connecting member 430 is rotatably connected to the chassis 100. The abdominal support frame 410, the connecting member 430, and the chassis 100 form a multi-link mechanism. When it is necessary to adjust the relative position between the abdominal support frame 410 and the chassis 100 or the inclination degree of the abdominal support frame 410, the abdominal support frame 410 is pulled, so that the first positioning member 110 is disengaged from the first positioning groove 422. At this time, the abdominal support frame 410 can rotate relative to the connecting member 430. After adjusting the position of the abdominal support frame 410, the first positioning member 110 is placed into the first positioning groove 422 to prevent the abdominal support frame 410 from rotating relative to the connecting member 430 during the training process.

[0022] When performing back muscle training, the user lies prone on the back muscle training device, and the abdomen abuts against the abdominal support assembly 400. The user will provide a downward pressure on the abdominal support frame 410 to prevent the first positioning member 110 from disengaging from the first positioning groove 422. The user can grasp the resistance rod 500 and bend the arm to make the resistance rod 500 close to the user's body. During this process, the vertical position of the resistance rod 500 is lifted, and the resistance providing mechanism can provide resistance for the user to bend the arm, achieving the purpose of training the back muscles.

[0023] Of course, pedals and foot pressure foam can be provided on the chassis 100 to facilitate the user's exertion.

[0024] Further, the chassis 100 is provided with a support tube 114. The first positioning member 110 penetrates through the support tube 114. Both ends of the first positioning member 110 are respectively exposed from the support tube 114, and the exposed parts are positioning parts. The adjusting member 420 includes two adjusting plates 421 arranged at intervals. The first positioning grooves 422 are respectively arranged on the adjusting plates 421, and one positioning part cooperates with one adjusting plate 421.

[0025] In an embodiment of the present utility model, the first positioning member 110 penetrates through the support tube 114, ensuring the connection strength between the first positioning member 110 and the support tube 114. Both ends of the first positioning member 110 are respectively exposed from the support tube 114, and the exposed parts are positioning parts. One positioning part cooperates with one adjusting plate 421, and one positioning part supports one adjusting plate 421, so that the two sides of the first positioning member 110 are stressed, and the stress is more balanced, ensuring the reliability of the first positioning member 110 to support the adjusting member 420.

[0026] Further, the adjusting plate 421 is provided with a moving groove 423. The bottoms of the plurality of first positioning grooves 422 are respectively communicated with the moving groove 423. The adjusting plate 421 is provided with a stop part 424, and the stop part 424 is located on one side of the moving groove 423 away from the first positioning groove 422.

[0027] In an embodiment of the present utility model, when it is necessary to adjust the relative position between the abdominal support frame 410 and the chassis 100 or the inclination degree of the abdominal support frame 410, the abdominal support frame 410 is lifted upward so that the first positioning member 110 disengages from the first positioning groove 422 and enters the moving groove 423. The first positioning member 110 can move in the moving groove 423. After adjusting the position of the abdominal support frame 410, the first positioning member 110 is then placed into the first positioning groove 422, facilitating the adjustment of the abdominal support assembly 400. The stop portion 424 can stop the first positioning member 110, preventing the first positioning member 110 from disengaging from the adjusting member 420 and avoiding excessive rotation of the abdominal support frame 410, ensuring the reliability and safety of the back muscle training device.

[0028] Further, the positioning portion is detachably and fixedly connected with a second positioning member 111. The second positioning member 111 is provided with a second positioning groove 112, and a part of the adjusting plate is placed into the second positioning groove 112.

[0029] In an embodiment of the present utility model, by providing the second positioning member 111 and placing a part of the adjusting plate into the second positioning groove 112, the relative displacement between the first positioning member 110 and the adjusting member 420 when the first positioning member 110 supports the adjusting member 420 can be reduced, ensuring the reliability of the first positioning member 110 in supporting the adjusting member 420.

[0030] Further, the abdominal support frame 410 is fixedly connected with a handle 411 and an abdominal pad 412.

[0031] In an embodiment of the present utility model, the abdominal pad 412 can support the abdomen of the user, enhancing the training experience. Before the user performs back muscle training, the handle 411 can be grasped to drive the abdominal support frame 410 to adjust the position of the abdominal support frame 410, or the handle 411 can be grasped with both hands to adjust the body posture.

[0032] Further, the resistance providing mechanism includes a selector plate 260 assembly 200. The selector plate 260 assembly 200 includes a top seat 210, a fixing frame 220, a guide rod 230, a selector rod 240, a pin 250, and multiple selector plates 260. The guide rod 230 is fixedly connected with the fixing frame 220. The multiple selector plates 260 are stacked in the vertical direction and move along the guidance of the guide rod 230. The top seat 210 is located above the selector plates 260 and is slidably connected with the guide rod 230. The selector rod 240 is provided with multiple selection holes. The selector rod 240 passes through multiple selector plates 260. The resistance rod 500 drives the selector rod 240 to move through a steel wire rope 600. The pin 250 is inserted into different selection holes to drive different numbers of selector plates 260 to move along with the selector rod 240.

[0033] In an embodiment of the present utility model, the selection piece 260 and the top seat 210 are respectively slidably connected to the guide rod 230, and the selection piece 260 and the top seat 210 can slide along the guide of the guide rod 230. Multiple selection pieces 260 are stacked, the top seat 210 is fixedly connected with a selection rod 240, and when the bolt 250 is inserted into the selection hole, the selection piece 260 above the bolt 250 can be driven to move together with the top seat 210. The resistance rod 500 drives the selection rod 240 to move through the steel wire rope 600. When performing back muscle training, the user pulls the resistance rod 500 close to the abdominal support frame 410, and the top seat 210, the selection rod 240 and the selection piece 260 are lifted through the steel wire rope 600, and the gravity of the selection piece 260 is used as the training resistance.

[0034] Further, first tension rods 300 are respectively fixedly connected to both sides of the top seat 210. The first tension rods 300 pass through the fixing frame 220, and a second tension rod 310 is fixedly connected to the outside of the fixing frame 220. An elastic band 320 is tensioned between the first tension rods 300 and the second tension rod 310.

[0035] In an embodiment of the present utility model, the elastic band 320 is sleeved on the first tension rods 300 and the second tension rod 310, and the second tension rod is located below the first tension rod. When the user pulls the resistance rod 500, the top seat 210 will be lifted, driving the first tension rod away from the second tension rod, further tensioning the elastic band 320. The elasticity of the elastic band 320 can provide resistance for the movement of the resistance rod 500. The gravity of the weight plate or the elasticity of the elastic band 320 can be used alone as the resistance, or the gravity of the weight plate and the elasticity of the elastic band 320 can be used simultaneously as the composite resistance, which can meet the different training needs of users.

[0036] Further, the top seat 210 is fixedly connected with a sliding sleeve 211 and a fixing plate 212. The sliding sleeve 211 is slidably sleeved on the guide rod 230, and the first tension rod 300 is fixedly connected to the fixing plate 212. It further includes a reinforcing plate 215, and the top seat 210, the sliding sleeve 211 and the fixing plate 212 are respectively fixedly connected to the reinforcing plate 215.

[0037] In an embodiment of the present utility model, the sliding sleeve 211 is slidably sleeved on the guide rod 230, thereby realizing the sliding connection between the top seat 210 and the guide rod 230, ensuring the stability of the sliding connection. The top seat 210, the sliding sleeve 211 and the fixing plate 212 are respectively fixedly connected to the reinforcing plate 215, thereby improving the overall strength of the top seat 210, the sliding sleeve 211 and the fixing plate 212.

[0038] Further, the top seat 210 is fixed to the side surface of the fixing plate 212. The fixing plate 212 is provided with a connecting portion 213 and a supporting portion 214. The connecting portion 213 is located above the top seat 210, and the supporting portion 214 is located below the top seat 210. The reinforcing plate 215 is fixedly connected to the fixing plate, and the supporting portion 214 faces the selection piece 260.

[0039] In an embodiment of the present utility model, when the elastic band 320 is sleeved on the first pull rod 300 and the second pull rod 310 and the elastic force of the elastic band 320 is used as a resistance, the reinforcing plate 215 can pull the fixing plate, and the selection piece 260 can support the supporting portion 214 to prevent the fixing plate 212 from twisting, ensuring the reliability of the fixing plate 212.

[0040] Further, the chassis 100 is fixedly connected with a hook 115, and the resistance rod 500 is placed on the hook 115.

[0041] In an embodiment of the present utility model, when the back muscle training device is not in use, the resistance rod 500 can be placed on the hook 115 to avoid the situation that the resistance rod 500 is randomly placed.

[0042] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principle. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the technical solution formed by mutually replacing the above features with the technical features (but not limited to) having similar functions disclosed in the present application.

Claims

1. A back muscle training device, characterized in that, Comprising: A chassis provided with a first positioning member; A resistance providing mechanism that provides resistance for the lifting of the resistance rod; And An abdominal support assembly including an abdominal support frame, an adjusting member, and a connecting member. The abdominal support frame is rotatably connected to the connecting member, the connecting member is rotatably connected to the chassis, the adjusting member is fixedly connected to the abdominal support frame, the adjusting member is provided with a plurality of first positioning grooves, and the abdominal support assembly is located above the resistance rod. Insert the first positioning member into any one of the first positioning grooves so that the chassis supports the abdominal support frame.

2. The back muscle training device according to claim 1, wherein The chassis is provided with a support tube, the first positioning member penetrates through the support tube, both ends of the first positioning member respectively expose from the support tube and the exposed parts are positioning parts. The adjusting member includes two adjusting plates arranged at intervals, and the first positioning grooves are respectively arranged on the adjusting plates, and one positioning part cooperates with one adjusting plate.

3. The back muscle training device according to claim 2, wherein, The adjusting plate is provided with a moving groove, the bottoms of the plurality of first positioning grooves are respectively communicated with the moving groove, and the adjusting plate is provided with a stop part located on the side of the moving groove away from the first positioning groove.

4. The back muscle training device according to claim 2, wherein The positioning part is detachably fixedly connected with a second positioning member provided with a second positioning groove, and part of the adjusting plate is inserted into the second positioning groove.

5. The back muscle training device according to claim 1, wherein, The abdominal support frame is fixedly connected with a handle and an abdominal pad.

6. The back muscle training device according to claim 1, characterized in that The resistance providing mechanism includes a selector plate assembly including a top seat, a fixed frame, a guide rod, a selector rod, a pin, and a plurality of selector plates. The guide rod is fixedly connected with the fixed frame, and the plurality of selector plates are stacked in the vertical direction and move along the guidance of the guide rod. The top seat is located above the selector plates and is slidably connected with the guide rod. The selector rod is provided with a plurality of selection holes, the selector rod passes through a plurality of the selector plates, and the resistance rod drives the selector rod to move through a steel wire rope. The pin is inserted into different selection holes to drive different numbers of the selector plates to move following the selector rod.

7. The back muscle training device according to claim 6, wherein Two first tension rods are respectively fixedly connected to both sides of the top seat, the first tension rods pass through the fixed frame, and a second tension rod is fixedly connected to the outside of the fixed frame. A elastic band is tensioned between the first tension rod and the second tension rod.

8. The back muscle training device according to claim 7, characterized in that, The top seat is fixedly connected with a sliding sleeve and a fixing plate. The sliding sleeve is slidably sleeved on the guide rod, the first tension rod is fixedly connected with the fixing plate, and a reinforcing plate is further included. The top seat, the sliding sleeve, and the fixing plate are respectively fixedly connected with the reinforcing plate.

9. The back muscle training device according to claim 8, characterized in that, The side surface of the top seat is fixed to the fixing plate. The fixing plate is provided with a connecting part and a supporting part. The connecting part is located above the top seat, the supporting part is located below the top seat, the reinforcing plate is fixedly connected with the fixing plate, and the supporting part faces the selector plates.

10. The back muscle training device according to claim 1, wherein, The chassis is fixedly connected with a hook, and the resistance rod is placed on the hook.

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