Adjustable dorsal muscle and abdominal muscle trainer

Abstract

The utility model is suitable for the technical field of fitness equipment, and provides an adjustable dorsal muscle and abdominal muscle trainer which comprises a main frame body, a seat cushion and a back support are arranged on the main frame body, a fixing frame is arranged at the bottom of one end of the main frame body, and at least one fixing foot support is arranged on the fixing frame; the door-shaped frame is arranged on one side of the main frame body, a plurality of balancing weights are arranged on the door-shaped frame in a sliding mode, connecting inserting rods are arranged on the balancing weights in an inserting mode, and adjusting inserting rods are elastically connected to the connecting inserting rods; the rotating disc is rotationally arranged on the main frame body, a swing arm is fixedly arranged on the rotating disc, a holding column is arranged at one end of the swing arm, a connecting rope is connected to the rotating disc, the connecting rope is connected with a connecting insertion rod after passing through a guide wheel, and the guide wheel is rotationally arranged on the main frame body. Therefore, the fitness equipment not only can meet the use requirements of different fitness people, but also can improve the training safety, and also can automatically adapt to the thickness of the legs of a user.

Description

TECHNICAL FIELD

[0001] The utility model relates to body -building equipment technical field especially, a kind of adjustable back muscle abdominal muscle training device. BACKGROUND

[0002] Nowadays abdominal muscle or back muscle training equipment is mostly flat, and the training effect is poor due to the small action amplitude during training, and with the development of society, the demand for body-building equipment gradually increases, and the existing abdominal muscle back muscle training device cannot meet the use demand.

[0003] For the above problems, the prior art is improved by the person skilled in the art, for example, a kind of abdominal, back muscle training device with publication number CN203075556U, it includes wooden horse and hook foot device, wooden horse is gymnastic training equipment;Hook foot device is composed of a crossbar and two support rods;Support rod is a bent rod, and the bending point divides the support rod into a long side and a short side;The end of the short side of the two support rods is respectively connected with the two ends of the crossbar;The other end of the two support rods is respectively provided with a connecting device;The crossbar is fixed on the support leg of wooden horse and can be adjusted in height, and the hook foot crossbar is attached with sponge wrapping, which can effectively exercise abdominal muscle and back muscle, but the above-mentioned device is not convenient for adjusting the weight of counterweight according to the condition of user, and it is still inconvenient to use.

[0004] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENT

[0005] In view of the above defects, the utility model aims at providing a kind of adjustable back muscle abdominal muscle training device, which can meet the use demand of different body-building population, improve the safety of training, and automatically adapt to the thickness of user's leg.

[0006] In order to achieve the above purpose, the utility model provides a kind of adjustable back muscle abdominal muscle training device, which includes: main frame body, which is provided with seat cushion and back support, the bottom of one end of the main frame body is provided with fixed frame, and the fixed frame is provided with at least one fixed foot support;Door-shaped frame is arranged at one side of main frame body, and a plurality of counterweights are slidably arranged on the door-shaped frame, a plurality of connecting rods are inserted into the counterweights, and adjusting rods are elastically connected to the connecting rods;Rotary disc is rotatably arranged on the main frame body, and swing arm is fixedly arranged on the rotary disc, one end of the swing arm is provided with a column, connecting rope is connected to the connecting rod after passing through guide wheel, and the guide wheel is rotatably arranged on the main frame body.

[0007] The utility model discloses an adjustable back muscle and abdominal muscle training device, the fixed frame is equipped with adjusting assembly, the adjusting assembly includes sliding seat and mobile foot support, the sliding seat is equipped with mobile foot support on the fixed frame, the mobile foot support is located the fixed foot drag top, the fixed frame is equipped with the pedal axle rotation, the both ends of pedal axle are equipped with the pedal, the pedal axle is equipped with the gear on, the fixed frame is equipped with the rack sliding, the rack is connected with the drive seat, the fixed frame is equipped with the pivot that cooperates with drive seat and sliding seat.

[0008] The utility model discloses an adjustable back muscle and abdominal muscle training device, the sliding seat is equipped with connecting piece, the pivot is equipped with the second spiral groove that cooperates with connecting piece, and the first spiral groove that cooperates with drive seat.

[0009] The utility model discloses an adjustable back muscle and abdominal muscle training device, the fixed frame is equipped with the sliding slot that cooperates with sliding seat, the sliding slot is equipped with a plurality of limit rod that passes through the sliding seat, and a plurality of springs are arranged between the bottom surface of sliding seat and the bottom surface of sliding slot.

[0010] The utility model discloses an adjustable back muscle and abdominal muscle training device, the top of door type frame is detachably connected with the weight block, the weight block is slidably connected with the door type frame, and the weight of the weight block is less than the weight of the counterweight.

[0011] The utility model discloses an adjustable back muscle and abdominal muscle training device, a plurality of connecting rods are arranged between the rack and the drive seat.

[0012] The utility model discloses an adjustable back muscle and abdominal muscle training device, which has the following advantages:

[0013] 1, can realize the training of back muscle and abdominal muscle, and can freely adjust the counterweight weight, meet the use demand of different fitness crowds.

[0014] 2, through setting up adjusting assembly, can make mobile foot support and fixed foot drag cooperate and stably fix the leg of user, improve the security of training, reduce the risk of injury of personnel, can also adjust the position of mobile foot support according to the thickness of the leg of user, expand the scope of application, and the adjustment mode is simple and fast.

[0015] In summary, the utility model has the advantages of meeting the use demand of different fitness crowds, improving the security of training, and automatically adapting to the thickness of the leg of user. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the structure schematic diagram of adjusting assembly;

[0018] In the figure: 1-main frame body, 11-cushion, 12-back support, 2-fixed frame, 21-fixed foot support, 3-door frame, 31-counterweight, 32-weight block, 4-connection rod, 41-adjustment rod, 5-rotating disc, 51-swinging arm, 52-holding column, 6-connection rope, 7-adjustment assembly, 71-sliding seat, 711-connector, 72-moving foot support, 73-sliding groove, 731-limiting rod, 74-rotation shaft, 75-pedal shaft, 751-pedal, 76-gear, 77-rack, 78-driving seat. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0020] Referring to Figure 1 and Figure 2 , the utility model provides a kind of adjustable back muscle abdominal muscle training device, comprising:

[0021] Main frame body 1 is arranged on ground or other support surface, and support body 1 is fixedly provided with cushion 11, and the one side of cushion 11 is fixedly connected with back support 12 on main frame body 1, and the end of main frame body 1 away from back support 12 is provided with fixed frame 2, and two fixed foot supports 21 are fixedly installed on fixed frame 2, and a certain interval is provided between the two fixed foot supports 21.

[0022] Door frame 3 is arranged on the side of main frame body 1, and door frame 3 is fixedly connected with main frame body 1, and a plurality of counterweights 31 are slidably arranged on door frame 3, and connection rod 4 is inserted on counterweight 31, and the through hole matched with connection rod 4 is arranged on counterweight 31, and adjustment rod 41 is connected to connection rod 4 by elastic connecting rope, and a plurality of matching holes matched with adjustment rod 41 are arranged on the side wall of connection rod 4, and the through hole corresponding to matching hole is arranged on the side wall of counterweight 31.

[0023] Rotating disc 5 is rotatably arranged on main frame body 1, and rotating disc 5 is arranged on the side of door frame 3, and swinging arm 51 is fixedly connected to rotating disc 5, and the center of rotating disc 5 is fixedly connected to the middle part of swinging arm 51, and holding column 52 is arranged at the one end of swinging arm 51, and the top end of connection rod 4 is connected with connection rope 6, and connection rope 6 is connected to rotating disc 5 after extending to the top end of door frame 3.

[0024] Referring to Figure 1 and Figure 2 , preferably, a plurality of weight blocks 32 are slidably arranged on door frame 3, and the weight of weight block 32 is less than the weight of counterweight 31, and the top end of door frame 3 is provided with fixing support for fixing weight block 32, and weight block 32 and fixing support are detachably connected.

[0025] Referring to Figure 1 and Figure 2 , preferably, the main frame 1 is provided with a guide wheel matched with the connecting rope 6.

[0026] Referring to Figures 1-2 , as another embodiment of the utility model, the fixed frame 2 is provided with a fixed foot support 21 and an adjusting assembly 7, the fixed foot support 21 is fixedly connected to the fixed frame 2, the adjusting assembly 2 includes a sliding seat 71 and a moving foot support 72, the sliding seat 71 is slidably arranged on the fixed frame 2 above the fixed foot support 21, the fixed frame 2 is provided with a sliding groove 73 matched with the sliding seat 71, a plurality of limiting rods 731 passing through the sliding seat 71 are arranged in the sliding groove 73, the moving foot support 72 is fixedly connected to the sliding seat 71, and the moving foot support 72 is arranged above the fixed foot support 21. The fixed frame 2 below the fixed foot support 21 is rotatably provided with a pedal shaft 75, the pedal shaft 75 is provided with a pedal 751 at both ends, the middle part of the pedal shaft 75 is provided with a gear 76, and the fixed frame 2 is slidably provided with a rack 77 engaged with the gear 76 on the side wall, when the pedal shaft 75 rotates, the rack 77 can be driven to move along the fixed frame 2 under the engagement of the gear 76 and the rack 77. The fixed frame 2 is rotatably provided with a rotating shaft 74, a plurality of convex seats are rotatably arranged on the rotating shaft 74, the convex seats are fixedly connected to the fixed frame 2, the bottom of the rotating shaft 75 is provided with a driving seat 78, the driving seat 78 is fixedly connected to the rack 77 through a plurality of connecting rods, the rotating shaft 75 is provided with a first spiral groove matched with the driving seat 78, the side wall of the sliding seat 71 is provided with a connecting piece 711 matched with the rotating shaft 74, and the rotating shaft 74 is provided with a second spiral groove matched with the connecting piece 711.

[0027] Referring to Figure 1 and Figure 2 , preferably, a plurality of springs are arranged between the bottom surface of the sliding seat 71 and the bottom surface of the sliding groove 73, when the springs are in a natural state, the sliding seat 71 is located at the top of the sliding groove 73.

[0028] Referring to Figure 1 and Figure 2 , preferably, by arranging the first spiral groove and the second spiral groove, the moving foot support 72 can be greatly moved under the condition that the pedal shaft 75 rotates by a small angle.

[0029] In the implementation process of the utility model: the user sits on the cushion 11, the back is located at the back support 12, the foot is fixed through the fixed foot support 21, then the back muscle and the abdominal muscle are exercised through the mode of rotating the holding column 52, the user can also adjust the counterweight by adjusting the position of the adjusting plug rod 41, and the needs of different fitness groups can be met.

[0030] As another embodiment of the utility model: in use, the user drives the pedal shaft 75 to rotate a certain angle through treading the pedal 751, thereby make the rack 77 drive the drive seat 78 to move upward, under the action of the first spiral groove, the rotating shaft 74 rotates a certain angle, under the action of the second spiral groove, the sliding seat 71 drives the mobile foot support 72 to descend, the mobile foot support 72 and the fixed foot support 21 cooperate to stabilize and fix the leg of the user.

[0031] The utility model provides a kind of adjustable back muscle abdominal muscle training device, and its beneficial effects are as follows:

[0032] 1, both can realize the training of back muscle and abdominal muscle, and can freely adjust the weight of counterweight, satisfy the use demand of different fitness crowds.

[0033] 2, by setting adjusting assembly, both can make mobile foot support and fixed foot drag cooperate to stabilize and fix the leg of the user, improve the security of training, reduce the risk of injury, and can automatically adjust the position of mobile foot support according to the thickness of the leg of the user, expand the scope of application, and adjustment mode is simple and fast.

[0034] Summarized above, the beneficial effects of the utility model are: both can satisfy the use demand of different fitness crowds, can improve the security of training, can also automatically adapt to the thickness of the leg of the user.

[0035] Of course, the utility model can also have various embodiments, without departing from the spirit and essence of the utility model, skilled person in the art can make corresponding change and deformation according to the utility model, but these corresponding change and deformation should all belong to the protection scope of the claims attached to the utility model.

Claims

1. An adjustable back and abdominal muscle trainer, characterized in that, include: The main frame is provided with a seat cushion and a backrest. A fixed frame is provided at the bottom of one end of the main frame, and at least one fixed footrest is provided on the fixed frame. A portal frame is located on one side of the main frame. Several counterweights are slidably mounted on the portal frame. Connecting rods are inserted into the counterweights. Adjusting rods are elastically connected to the connecting rods. A turntable is mounted on the main frame and rotates. A swing arm is fixed on the turntable, and a column is provided at one end of the swing arm. A connecting rope is connected to the turntable, and the connecting rope passes through a guide wheel and then connects to a connecting rod. The guide wheel is rotatably mounted on the main frame.

2. The adjustable back and abdominal muscle trainer according to claim 1, characterized in that, The fixed frame is equipped with an adjustment component, which includes a sliding seat and a movable footrest. The sliding seat is slidably mounted on the fixed frame, and the movable footrest is located above the fixed footrest. The fixed frame is rotatably equipped with a pedal shaft, and pedals are provided at both ends of the pedal shaft. The pedal shaft is equipped with a gear. The fixed frame is slidably equipped with a rack, and the rack is connected to a drive seat. The fixed frame is rotatably equipped with a rotating shaft that cooperates with the drive seat and the sliding seat.

3. The adjustable back and abdominal muscle trainer according to claim 2, characterized in that, The sliding seat is provided with a connector, and the rotating shaft is provided with a second spiral groove that cooperates with the connector and a first spiral groove that cooperates with the drive seat.

4. The adjustable back and abdominal muscle trainer according to claim 2, characterized in that, The fixed frame is provided with a sliding groove that mates with the sliding seat. Several limiting rods passing through the sliding seat are provided in the sliding groove, and several springs are provided between the bottom surface of the sliding seat and the bottom surface of the sliding groove.

5. The adjustable back and abdominal muscle trainer according to claim 1, characterized in that, The top of the gantry frame is detachably connected to a weight-adding block, which is slidably connected to the gantry frame. The weight of each weight-adding block is less than the weight of the counterweight.

6. The adjustable back and abdominal muscle trainer according to claim 2, characterized in that, Several connecting rods are provided between the rack and the drive seat.

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