Bending back-pulling trainer

Abstract

A pedal is arranged at the front end of a base in a hinged mode, a pedal adjusting assembly is arranged at the bottom of the pedal, and the folding angle of the pedal can be adjusted through the pedal adjusting assembly. The backrest is hinged to the middle of the base, the backrest adjusting assembly is arranged on the rear side of the backrest, the folding angle of the backrest can be adjusted, and users of different heights can be adjusted to the most comfortable state when sitting on the upper portion; tripods are arranged on the left and right sides of the base respectively. A guide rod is fixed to the side of each tripod, a sliding frame is fixed to the guide rods on the left side and the right side respectively, and a balance weight rod and a side force application holding rod are arranged on each sliding frame. The two sliding frames which are arranged left and right are connected into a whole through a force application connecting rod; and a plurality of force application parts are arranged on the force application connecting rod, so that a user can carry out force application adjustment through multiple point positions, and multiple muscle groups of arms, shoulders and backs can be trained.

Description

Technical Field

[0001] The utility model belongs to the technical field of sports equipment, and particularly relates to a bent-over rowing trainer. Background Art

[0002] Among the existing fitness equipment, most of the equipment for back training is of the inclined-backrest type. The trainer lies obliquely on the equipment, and pulls a counterweight upward with the front arm to achieve the pulling training of the forearm and the back. For the product structure of such products, reference can be made to the product structure disclosed in the patent application No. CN202322941613.2, named Double-rail Sitting Bent-over Rowing Trainer.

[0003] Referring to the above product structure, the technical drawbacks of such rowing training products are as follows: 1. There is no foot pedal device, or the pedal angle cannot be adjusted after adding a pedal device; 2. The backrest is fixed, and it cannot be adjusted adaptively when used by people of different heights or with different force application habits; 3. The hand force application point is fixed, and different muscle groups of the back or shoulders cannot be trained specifically.

[0004] In view of the above drawbacks, it is very necessary for developers in this field to design an improved version of the bent-over rowing trainer according to market feedback, which can achieve multi-angle adjustment and multi-point force application to solve the actual technical problems encountered in the prior art. Summary of the Utility Model

[0005] To overcome the deficiencies of the prior art, this patent application discloses a bent-over rowing trainer. The device sets the back and the pedal at multiple angles, and at the same time designs multiple force application points, aiming to effectively improve the stability of the bent-over rowing trainer, and at the same time it can be suitable for multiple types of people to use, and is more suitable for people to use.

[0006] To achieve the above technical purpose, the utility model adopts the following specific scheme: a bent-over rowing trainer, which includes a base, a pedal is hinged at the front end of the base, a foot pedal adjustment assembly is arranged at the bottom of the pedal, a backrest is hinged in the middle of the base, and a backrest adjustment assembly is arranged at the rear side of the backrest; triangular frames are respectively arranged on the left and right sides of the base, and a cross beam is connected between the symmetrically arranged triangular frames on the left and right; a guide rod is fixed on the side of each triangular frame, a sliding frame is fixed on each of the left and right guide rods, and a counterweight rod and a side force application grip are arranged on the sliding frame;

[0007] The two sliding frames arranged left and right are connected into one body through a force application connecting rod; multiple force application parts are arranged on the force application connecting rod.

[0008] A middle reinforcing connecting rod is arranged in the middle of the base. The middle reinforcing connecting rod is arranged below the pedal, and a middle pedal is arranged on the top surface of the middle reinforcing connecting rod. When a person moves up and down on the backrest of the bending-over back pull trainer, the middle pedal can be used as a temporary stepping area.

[0009] Fixing plates are arranged on the left and right sides of the force-applying connecting rod. A middle force-applying section, a front-side force-applying rod, an inclined force-applying section and a rear-side force-applying rod are arranged on the force-applying connecting rod. Multiple-point force application can be realized through the force-applying connecting rod.

[0010] The pedal adjusting assembly includes an upper adjusting plate and a lower adjusting plate. Matching locking holes are arranged on both the upper adjusting plate and the lower adjusting plate, and a positioning pin is arranged on either the upper adjusting plate or the lower adjusting plate.

[0011] An extreme limit limiting member is arranged on either the upper adjusting plate or the lower adjusting plate, and a blocking rod is arranged in cooperation with the extreme limit limiting member.

[0012] The backrest adjusting assembly is a plug-in structure, which includes a plug-in rod and an external sleeve, and a telescopic positioning pin is arranged between the plug-in rod and the external sleeve.

[0013] The beneficial effects of the present utility model are as follows: The present utility model discloses a bending-over back pull trainer, on which a pedal is hinged at the front end of the base, and a pedal adjusting assembly is arranged at the bottom of the pedal. The folding angle of the pedal can be adjusted through the pedal adjusting assembly; a backrest is hinged in the middle of the base, and a backrest adjusting assembly is arranged at the rear side of the backrest, and the folding angle of the backrest can be adjusted, so that users of different heights can be adjusted to the most comfortable state when sitting on the upper part; triangular frames are respectively arranged on the left and right sides of the base; guide rods are fixed on the sides of each triangular frame, sliding frames are respectively fixed on the left and right guide rods, a counterweight rod and a side force-applying grip are arranged on the sliding frames; the two sliding frames arranged left and right are connected into one body through a force-applying connecting rod; multiple force-applying parts are arranged on the force-applying connecting rod, and users can adjust the force application through multiple points, and multiple muscle groups of the arms, shoulders and back can be trained. Description of the Drawings

[0014] Figure 1 It is a front-side three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 It is a rear-side three-dimensional structural schematic diagram of the present utility model;

[0016] Figure 3 It is a side-view structural schematic diagram of the present utility model;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the force-applying connecting rod;

[0018] Figure 5 For Figure 1 Schematic enlarged view of the structure of area A in

[0019] In the attached drawings, 1 is the base, 11 is the middle reinforcement connecting rod, 12 is the front extension rod, 13 is the lower adjustment plate, 131 is the blocking rod, 14 is the upper adjustment plate, 141 is the upper limit projection, 142 is the positioning locking hole, 143 is the lower limit projection, 15 is the pedal fixing plate, 16 is the pedal, 17 is the positioning pin, 18 is the middle pedal, 2 is the column, 3 is the inclined beam, 31 is the cross beam, 32 is the guide rod, 4 is the sliding frame, 41 is the sliding sleeve, 42 is the sliding column, 43 is the counterweight rod, 44 is the side force application grip rod, 5 is the force application connecting rod, 51 is the fixing plate, 52 is the inclined force application section, 53 is the middle force application section, 54 is the front side force application rod, 55 is the rear side force application rod, 6 is the backrest, 61 is the outer sleeve, 62 is the insertion rod, 63 is the telescopic positioning pin, and 64 is the backrest base. Specific embodiments

[0020] The following provides a detailed description of the present invention through specific embodiments. It should be noted that the following specific embodiments do not impose technical limitations on the technical solution. Those skilled in the art can make further technical extensions under the guidance of the following specific technical solutions.

[0021] Embodiment 1:

[0022] A forward bending and back pulling trainer, as shown in the attached drawings, includes a base 1. The base 1 adopts an elliptical tube welding structure and is a square structure. A middle reinforcement connecting rod 11 is provided in the middle of the base 1. There are two middle reinforcement connecting rods 11, which are evenly distributed on the left and right. A front extension rod 12 is extended at the front side of the base. A foot pedal adjustment assembly is provided above the front extension rod 12. At the same time, a pedal fixing plate 15 is hinged at the front end of the base 1. A pedal 16 is provided on the top surface of the pedal fixing plate 15. The foot pedal adjustment assembly is connected between the front extension rod 12 and the pedal fixing plate 15. The foot pedal adjustment assembly can adopt the arc-shaped adjustment plate structure in the prior art, and the coverage adjustment is realized by overlapping the arc-shaped adjustment plate with the lower positioning plate. This structure is common in the art and will not be described in detail here.

[0023] Based on the prior art, the applicant also discloses a foot pedal adjustment assembly, and the specific structure is as Figure 3 、 5As shown in the figure, the foot pedal adjustment assembly includes an upper adjustment plate 14, a lower adjustment plate 13, and a positioning pin 17. The lower adjustment plate 13 is provided with double plates on the left and right. The upper adjustment plate 14 can be inserted and slid between the two lower adjustment plates 13. A locking hole and a positioning pin 17 are provided at the top of the lower adjustment plate 13. The upper adjustment plate 14 is fixed to the pedal fixing plate 15, and a number of positioning and locking holes 142 are provided above it for cooperation with the positioning pin 17. Two limit limiting members are provided on the upper adjustment plate 14, namely an upper limit protrusion 141 and a lower limit protrusion 143. A blocking rod 131 is provided on the lower adjustment plate 13 in cooperation with the two limit limiting members. When the lower adjustment plate 13 slides up and down, the maximum lifting amount limit constraint can be realized by the cooperation of the upper limit protrusion 141 and the blocking rod 131, and the maximum lowering amount limit constraint can be realized by the cooperation of the lower limit protrusion 143 and the blocking rod 131.

[0024] In the middle of the base 1 of the present utility model, a backrest base 64 is hinged on the middle reinforcing connecting rod 11. A backrest 6 is provided on the backrest base 64. A backrest adjustment assembly 6 is provided between the rear side of the backrest base 64 and the middle reinforcing connecting rod 11. The backrest adjustment assembly 6 includes a plugging rod 62, an outer sleeve 61, and a telescopic positioning pin 63. Such a backrest adjustment assembly is a plugging structure. The plugging rod 61 is hinged to the backrest base 64, and the outer sleeve is hinged to the middle reinforcing connecting rod 11. A telescopic positioning pin 63 is provided between the plugging rod 61 and the outer sleeve 63. The height adjustment is realized by the plugging rod 61 telescoping in the outer sleeve 63, and the locking is realized by the telescopic positioning pin 63 after the adjustment and positioning.

[0025] In the present utility model, triangular frames are respectively provided on the left and right sides of the base 1. The triangular frames include columns 2 and inclined beams 3, and a triangular structure is formed by the columns 2, the inclined beams 3, and the base 1. A cross beam 31 is connected between the symmetrically arranged triangular frames on the left and right, and the top connection is realized through the cross beam 31. A guide rod 32 is fixed to the side of each triangular frame. A sliding frame 4 is fixed to each of the guide rods 32 on the left and right sides. The sliding frame includes a sliding sleeve 41. A sliding column 42 is fixed to the sliding sleeve 41. A side force application grip 44 is provided above the inner side of the sliding column 42, and a counterweight rod 43 is provided on the outer side of the sliding column 42. The fixing of a counterweight plate or a counterweight block can be realized through the counterweight rod 43.

[0026] Through the above structural settings, the user lies on the backrest 6, steps on the pedal 16 with the feet, and manually pulls the side force application grip 44 to move the entire load-bearing sliding frame 4 up and down along the sliding column 42, thereby realizing the training of the arm and back muscle groups.

[0027] Embodiment 2:

[0028] On the basis of the structure of Example 1, a force-applying connecting rod 5 is connected between the two sliding frames 4 arranged on the left and right, and the linkage of the two sliding frames 4 on the left and right is realized through the force-applying connecting rod 5; the force-applying connecting rod 5 is provided with a plurality of force-applying parts, such as Figure 4 As shown, the force-applying link 5 is provided with fixed plates 51 on the left and right sides, which are locked together with the inner side of the sliding column 42 through the fixed plates 51; the force-applying link 5 is provided with a middle force-applying section 53, with the middle force-applying section 53 as the middle dividing section, and the front force-applying rod 54, the inclined force-applying section 52, and the rear force-applying rod 55 are symmetrically provided on the left and right sides of the middle force-applying section 53. After the above structural setting, the operator can realize multi-point force application by choosing to hold the side force-applying rod 54, the inclined force-applying section 52, and the rear force-applying rod 55 respectively, so as to exercise the muscle groups in different parts.

[0029] Furthermore, the middle reinforcing connecting rod 5 is arranged below the pedal 16, and a middle stepping pedal 18 is arranged on the top surface of the middle reinforcing connecting rod 5. Such middle stepping pedal 18 can be a plastic sleeve that fits and covers the middle reinforcing connecting rod 5. By setting the middle stepping pedal 18, the trainee can use the middle stepping pedal 18 as a temporary stepping area when going up and down the backrest of the bent-over back stretching trainer, and stand up through the temporary stepping area to realize stepping on the pedal 16.

Claims

1. A prone rowing trainer, characterized in that: It includes a base, a pedal is hinged to the front end of the base, a foot pedal adjusting assembly is arranged at the bottom of the pedal, a backrest is hinged to the middle of the base, and a backrest adjusting assembly is arranged at the rear side of the backrest; triangular frames are respectively arranged on the left and right sides of the base, and a cross beam is connected between the symmetrically arranged triangular frames on the left and right; guide rods are fixed to the sides of each triangular frame, sliding frames are respectively fixed on the guide rods on the left and right sides, and a counterweight rod and a side force application grip rod are arranged on the sliding frames; The two sliding frames arranged left and right are connected into one body through a force application connecting rod; a plurality of force application parts are arranged on the force application connecting rod.

2. The prone rowing trainer according to claim 1, characterized in that: A middle reinforcing connecting rod is arranged in the middle of the base, the middle reinforcing connecting rod is arranged below the pedal, and a middle pedal is arranged on the top surface of the middle reinforcing connecting rod.

3. The prone rowing trainer according to claim 1, characterized in that: Fixing plates are arranged on the left and right sides of the force application connecting rod, and a middle force application section, a front side force application rod, an inclined force application section and a rear side force application rod are arranged on the force application connecting rod.

4. The bending and pulling back training device according to claim 1, characterized in that: The foot pedal adjusting assembly includes an upper adjusting plate and a lower adjusting plate, locking holes which cooperate with each other are arranged on the upper adjusting plate and the lower adjusting plate, and a positioning pin is arranged on the upper adjusting plate or the lower adjusting plate.

5. The bending and pulling back training device according to claim 4, characterized in that: An extreme limit limiting part is arranged on the upper adjusting plate or the lower adjusting plate, and a blocking rod is arranged in cooperation with the extreme limit limiting part.

6. The bending and pulling back training device according to claim 1, characterized in that: The backrest adjusting assembly is a plug-in structure, which includes a plug-in rod and an outer sleeve, and a telescopic positioning pin is arranged between the plug-in rod and the outer sleeve.

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