Pull rope pulley block of body builder

Abstract

The utility model relates to the technical field of body builders, in particular to a body builder pull rope pulley block which comprises a U-shaped frame, a pulley is arranged in the U-shaped frame, a connecting shaft is coaxially installed on the pulley, and the end of the connecting shaft is rotationally connected with the inner wall of the U-shaped frame. A first supporting shaft is vertically installed in the center of the top of the U-shaped frame, a first U-shaped seat is rotatably installed at the top of the first supporting shaft, a first rotating shaft is rotatably installed in the first U-shaped seat, a second rotating shaft is vertically installed in the middle of the first rotating shaft, and the end of the second rotating shaft is rotatably installed on the inner side of a second U-shaped seat. When the pull rope pulley block of the body builder is used, the first rotating shaft and the second rotating shaft which are fixed into a cross shape are rotationally connected in the two U-shaped seats, so that the two U-shaped seats can rotate at multiple angles, and convenience is provided for steering of a pull rope arranged on the pulley; and the connection strength between the mounting plate and the U-shaped frame is also improved through more joints.

Description

TECHNICAL FIELD

[0001] The utility model relates to body -building equipment technical field especially relates to a body -building equipment pull rope pulley block. BACKGROUND

[0002] Body-building equipment, also known as fitness equipment, is a device or tool used for physical exercise, aiming to help people enhance strength, endurance, flexibility and overall physical fitness through various forms of physical exercise and fitness activities.

[0003] In the existing body-building equipment, there are some lifting or stretching devices for the exercise of back, arm and other parts, some pulley blocks are arranged in the equipment to change the force direction of pull rope, so that weights and other heavy objects are placed on the ground, and the weight of the heavy object can be adjusted conveniently, but the current pulley block structure is relatively simple, a pulley is usually arranged, and a fixed hanger is rotatably installed on the pulley, although the hanger is convenient to rotate and will not cause hindrance due to the difference of force direction of pull rope, but the single-axle rotation requires too large rotation smoothness, especially when the bearing capacity is too large, the single-axle rotation will also cause resistance. Therefore, the body-building equipment pull rope pulley block is provided to solve the above problems. SUMMARY

[0004] The utility model discloses a body-building equipment pull rope pulley block.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a body-building equipment pull rope pulley block is designed, which comprises a U-shaped frame, a pulley is arranged in the inside of the U-shaped frame, a connecting shaft is coaxially arranged on the pulley, and the end of the connecting shaft is rotatably connected with the inner wall of the U-shaped frame.

[0006] A first supporting shaft is vertically arranged at the top center of the U-shaped frame, a first U-shaped seat is rotatably arranged at the top of the first supporting shaft, a first rotating shaft is rotatably arranged in the inside of the first U-shaped seat, a second rotating shaft is vertically arranged at the middle of the first rotating shaft, the end of the second rotating shaft is rotatably arranged at the inside of a second U-shaped seat, the opening of the second U-shaped seat is oppositely arranged with the opening of the first U-shaped seat, a second supporting shaft is vertically arranged at the top center of the second U-shaped seat, and an installation plate is arranged at the top of the second supporting shaft.

[0007] Preferably, an annular groove is coaxially arranged at the outside of the pulley, the cross section of the annular groove is arc-shaped, and a non-slip rubber pad is arranged in the annular groove.

[0008] Preferably, a plurality of through grooves are arranged at the middle of the pulley, so that the pulley is hollow.

[0009] Preferably, the upper end of the U-shaped frame is provided with two limiting plates which are bent downward and have an "L" shape, the top of the pulley is arranged in the limiting plate, and the two ends of the limiting plate are fixed to the U-shaped frame by bolts.

[0010] Preferably, the two ends of the limiting plate are provided with accommodating grooves, and the nuts of the bolts are arranged in the accommodating grooves.

[0011] Preferably, a plurality of first reinforcing plates are arranged on the outer side of the first support shaft, one side of the first reinforcing plate is fixed to the U-shaped frame, and the other side of the first reinforcing plate is fixed to the first support shaft.

[0012] Preferably, a plurality of second reinforcing plates are arranged on the outer wall of the second support shaft, one side of the second reinforcing plate is fixed to the mounting plate, and the other side of the second reinforcing plate is fixed to the second support shaft.

[0013] The design scheme of the utility model has the advantages that in the application process,

[0014] 1. The fitness equipment pulley block is rotatably connected in the two U-shaped seats through the first rotating shaft and the second rotating shaft which are fixed in a cross shape, the two U-shaped seats can be rotatable at multiple angles, the rotation of the pulley is facilitated, and the connection strength between the mounting plate and the U-shaped frame is improved.

[0015] 2. The fitness equipment pulley block is provided with the limiting plate above the pulley, the limiting plate can limit the pulley arranged in the annular groove, the pulley is prevented from being separated from the annular groove due to its elasticity and other factors when the force on the pulley is removed, and the subsequent use is affected. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a structure diagram Figure 1 ;

[0017] Figure 2 The utility model discloses a structure diagram Figure 2 ;

[0018] Figure 3 The utility model discloses a structure diagram Figure 3 ;

[0019] Figure 4 The utility model discloses a structure diagram.

[0020] In the drawing: 1, U-shaped frame;2, pulley;3, connecting shaft;4, annular groove;5, first support shaft;6, first U-shaped seat;7, first rotating shaft;8, second rotating shaft;9, second U-shaped seat;10, second support shaft;11, mounting plate;12, first reinforcing plate;13, second reinforcing plate;14, limiting plate;15, accommodating groove;16, bolt. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Referring to Figures 1-4 A fitness equipment pull rope pulley block, comprising a U-shaped frame 1, a pulley 2 is arranged in the inside of the U-shaped frame 1, a connecting shaft 3 is coaxially arranged on the pulley 2, the end of the connecting shaft 3 is rotationally connected with the inner wall of the U-shaped frame 1, so that the pulley 2 can rotate in the U-shaped frame 1, an annular groove 4 is coaxially arranged on the outside of the pulley 2, the cross section of the annular groove 4 is arc-shaped, and a non-slip rubber pad is arranged in the annular groove 4, so that the pull rope can be arranged in the annular groove 4, thereby improving the stability of the pull rope sliding in the annular groove 4, and the non-slip rubber pad can improve the efficiency of driving the pulley 2 to rotate when the pull rope slides in the annular groove 4, thereby making the pull rope move more labor-saving.

[0023] Among them, a plurality of through grooves are arranged in the middle of the pulley 2, so that the pulley 2 is hollow, thereby reducing the overall weight of the pulley 2, improving the light weight of the pulley 2 while ensuring the supporting strength of the pulley 2.

[0024] Further, in order to improve the stability of the pull rope in the annular groove 4, as shown in Figure 3 and Figure 4 Two limit plates 14 are arranged in the upper end of the U-shaped frame 1, the top of the pulley 2 is arranged in the limit plate 14, and the two ends of the limit plate 14 are fixed to the U-shaped frame 1 through bolts 16, after the pull rope is arranged in the annular groove 4, the limit plate 14 can be arranged in the U-shaped frame 1, so as to wrap the pull rope with the pulley 2, thereby limiting the pull rope and preventing the pull rope from separating from the annular groove 4 during use.

[0025] It should be noted that the two ends of the limit plate 14 are accommodated in the accommodation groove 15, and the nut of the bolt 16 is correspondingly arranged in the accommodation groove 15, so as to hide the nut of the bolt 16, thereby preventing the nut of the bolt 16 from protruding and scratching the pull rope moving back and forth, thereby damaging the bolt 16 or the pull rope.

[0026] As shown in Figure 1 and Figure 2As shown, the first support shaft 5 is vertically installed at the top center of the U-shaped frame 1, the first U-shaped seat 6 is rotatably installed at the top of the first support shaft 5, the first rotating shaft 7 is rotatably installed in the first U-shaped seat 6, the second rotating shaft 8 is vertically installed at the middle of the first rotating shaft 7, the end of the second rotating shaft 8 is rotatably installed at the inner side of the second U-shaped seat 9, the opening of the second U-shaped seat 9 is oppositely arranged with the opening of the first U-shaped seat 6, the second support shaft 10 is vertically installed at the top center of the second U-shaped seat 9, the mounting plate 11 is installed at the top of the second support shaft 10, so that the first U-shaped seat 6 can rotate in the second U-shaped seat 9, and the second U-shaped seat 9 can rotate in the first U-shaped seat 6, thereby improving the movability of the pulley 2, and facilitating the user to pull the pull rope by hand to use the fitness equipment, so that the pulley 2 can rotate at multiple angles, and the whole smoothness of the pulley set during use of the fitness equipment is improved.

[0027] A plurality of first reinforcing plates 12 are arranged at intervals and installed outside the first support shaft 5, one side of the first reinforcing plate 12 is fixed on the U-shaped frame 1, and the other side of the first reinforcing plate 12 is fixed on the first support shaft 5; a plurality of second reinforcing plates 13 are arranged at intervals and installed outside the second support shaft 10, one side of the second reinforcing plate 13 is fixed on the mounting plate 11, and the other side of the second reinforcing plate 13 is fixed on the second support shaft 10, thereby improving the supporting strength of the support shaft.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An exercise machine cable pulley assembly comprising: The utility model provides a kind of U-shaped frame (1), pulley (2) is provided in the inside of U-shaped frame (1), and coaxial connecting shaft (3) is installed on pulley (2), and the end of connecting shaft (3) is rotatably connected with the inner wall of U-shaped frame (1); First support shaft (5) is vertically installed at the top center of U-shaped frame (1), first U-shaped seat (6) is rotatably installed at the top of first support shaft (5), first rotating shaft (7) is rotatably installed in the inside of first U-shaped seat (6), second rotating shaft (8) is vertically installed at the middle of first rotating shaft (7), the end of second rotating shaft (8) is rotatably installed in the inside of second U-shaped seat (9), the opening of second U-shaped seat (9) is oppositely arranged with the opening of first U-shaped seat (6), second support shaft (10) is vertically installed at the top center of second U-shaped seat (9), and mounting plate (11) is installed at the top of second support shaft (10).

2. A pulley block for a fitness machine according to claim 1, wherein: Annular groove (4) is coaxially provided outside pulley (2), the cross section of annular groove (4) is arc-shaped, and anti-skid rubber pad is installed in annular groove (4).

3. A pulley block for an exercise machine according to claim 1, wherein: A plurality of through grooves are formed in the middle of pulley (2), so that pulley (2) is hollow.

4. A pulley block for a fitness machine according to claim 1, wherein: Two limit plates (14) are arranged in the upper end of U-shaped frame (1), the top of pulley (2) is arranged in the limit plate (14), and the two ends of the limit plate (14) are fixed to the U-shaped frame (1) by bolts (16).

5. An exercise machine cable and pulley assembly as defined in claim 4 wherein: The two ends of the limit plate (14) are accommodated in the accommodating grooves (15), and the nuts of the bolts (16) are correspondingly arranged in the accommodating grooves (15).

6. A pulley block for a fitness machine according to claim 1, wherein: A plurality of first reinforcing plates (12) are arranged on the outer side of the first support shaft (5), one side of the first reinforcing plate (12) is fixed to the U-shaped frame (1), and the other side of the first reinforcing plate (12) is fixed to the first support shaft (5).

7. A pulley block for a fitness machine according to claim 1, wherein: A plurality of second reinforcing plates (13) are arranged on the outer wall of the second support shaft (10), one side of the second reinforcing plate (13) is fixed to the mounting plate (11), and the other side of the second reinforcing plate (13) is fixed to the second support shaft (10).

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