Back muscle trainer

Abstract

The utility model relates to the technical field of physical training devices, in particular to a dorsal muscle training device which comprises a bottom plate, a seat block is fixedly connected to the right side of the upper end of the bottom plate, a fixing block is fixedly connected to the upper side of the left end of the bottom plate, guide blocks are arranged on the front side and the rear side of the upper end of the fixing block, and connecting ropes are arranged at the front end and the rear end of the fixing block. A handle is fixedly connected to the right end of the connecting rope, a gravity block is arranged in the fixing block, and mounting mechanisms are arranged at the front end and the rear end of the bottom plate. The rotating handle can be rotated through the sliding mechanism, the sliding block slides in the sliding groove, the position of the connecting rod can be rapidly adjusted, the position of the first limiting block at the upper end of the connecting rod can be rapidly adjusted, the device can adjust training of different intensities, and the device can be suitable for being used by people of different heights; and through the limiting assembly, the first limiting block can achieve a limiting effect on the second limiting block.

Description

Technical Field

[0001] The utility model relates to the technical field of sports training devices, in particular to a back muscle training device. Background Art

[0002] In physical training, muscles of the whole body need to be exercised. As for the training of the back muscles, since they are located on the back of the body, it is necessary to use a special back muscle trainer to assist in the training. Usually, the purpose of exercising the back muscles is achieved by stretching from top to bottom.

[0003] The existing known patent number is "201420343509.1" which proposes: a back muscle trainer, which is characterized in that the back muscle trainer has a base, a frame is connected to the base, the frame is composed of two front columns, two rear columns, two longitudinal beams, and two cross beams, cushions and pedals are installed on the two front columns, the front end of the right longitudinal beam is hinged to the swing arm through the swing arm hanger, the swing arm is connected by a vertical swing arm and a horizontal swing arm, a pressure bar is installed at the lower end of the vertical swing arm, a lifting ear is connected to the rear end of the horizontal swing arm, a pulley is installed on the rear cross beam, a counterweight iron seat is connected between the two rear columns, a counterweight iron is placed on the counterweight iron seat, a round hole is provided in the middle of the counterweight iron, a hanging column is passed through the round hole, a slot is provided on the hanging column, a blocking piece is passed through the slot, a steel rope is fixed on the lifting ear, the steel rope spans the pulley, and the other end of the steel rope is connected to the hanging column. The utility model is used for back muscle training in a standing position. The exercise load can be adjusted by adjusting the number of weights, and the force application position can be adjusted according to the height of the trainee. The utility model is applicable to a wide range of people and can be trained step by step.

[0004] Most of the existing related back trainers do not have corresponding limiting mechanisms when in use, and users will experience sudden muscle weakness during training. When the weight loses its pulling force, it will suddenly fall downward due to gravity, pulling the user's limbs and causing muscle strain problems.

[0005] And most of the existing related devices have a large mass and are troublesome to carry. For this reason, we propose a back muscle training device to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a back muscle trainer to solve the problem that most of the existing related back trainers mentioned in the above background technology do not have corresponding limiting mechanisms when in use, and the user will experience sudden muscle weakness during training, and the heavy objects will suddenly fall downward due to gravity when losing the pulling force, which will pull the user's limbs and cause muscle strain to the user, and most of the existing related devices are heavy and difficult to carry.

[0007] To achieve the above purpose, the utility model provides the following technical solution: a back muscle trainer, comprising:

[0008] A bottom plate, a seat block is fixedly connected to the right side of the upper end of the bottom plate, a fixed block is fixedly connected to the upper side of the left end of the bottom plate, guide blocks are arranged on the front and rear sides of the upper end of the fixed block, connecting ropes are arranged at the front and rear ends of the fixed block, a handle is fixedly connected to the right end of the connecting rope, a gravity block is arranged in the fixed block, and mounting mechanisms are arranged at the front and rear ends of the bottom plate;

[0009] A clamping assembly, which is arranged at the upper end of the fixing block and is used to quickly fix the fixing rod in the clamping block;

[0010] A sliding mechanism, the sliding mechanism is arranged at the front and rear ends of the bottom plate, the sliding mechanism is used to quickly adjust the position of the connecting rod, the sliding mechanism includes a sliding groove, a slider, a screw sleeve, a screw rod and a turning handle, the front and rear ends of the bottom plate are provided with a sliding groove, a slider is slidably connected in the sliding groove, a screw sleeve is arranged in the slider, a screw rod is inserted in the screw sleeve, the left end of the screw rod is fixedly connected to the turning handle, and the upper end of the sliding block is fixedly connected to the connecting rod;

[0011] A limiting assembly is arranged at the upper end of the connecting rod, and is used to limit the second limiting block.

[0012] Preferably, the clamping assembly comprises a clamping block and a fixing rod, the front and rear sides of the upper end of the fixing block are fixedly connected with the clamping block, and the upper end of the clamping block is provided with a fixing rod.

[0013] Preferably, the limiting assembly comprises a first limiting block and a second limiting block, the upper end of the connecting rod is fixedly connected to the first limiting block, and the right end outer wall of the connecting rope is fixedly connected to the second limiting block.

[0014] Preferably, the clamping block is C-shaped and is made of rubber material.

[0015] Preferably, the outer wall of the handle is provided with a rubber pad, and the outer wall of the handle is provided with an anti-slip pattern with a depth of two millimeters.

[0016] Preferably, the slide groove is a T-shaped groove, the slider is a T-shaped block, and the slide groove and the slider are adapted to each other.

[0017] Preferably, the inner diameter of the screw sleeve is equal to the outer diameter of the screw rod, and an auxiliary block is fixedly connected to the outer wall of the turning handle.

[0018] Preferably, the first limiting block and the second limiting block are flat, and the outer wall edges of the first limiting block and the second limiting block are arc-shaped.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The utility model can rotate the handlebar through the sliding mechanism, slide the slider in the slide groove, and quickly adjust the position of the connecting rod, so that the position of the first limit block at the upper end of the connecting rod can be quickly adjusted, so that the device can be adjusted for training of different intensities and the device can be suitable for people of different heights. In addition, the first limit block can limit the second limit block through the limit component, so that when the user suddenly suffers from muscle weakness during training, the first limit block can limit the second limit block accordingly to prevent the gravity block from being suddenly pulled downward by gravity and causing muscle strain to the user.

[0021] And through the clamping assembly, the gravity block can be placed in the fixed block, and the fixing rod can be quickly fixed in the clamping block for use. The mechanism enables the device to be quickly connected and separated, making the device more convenient to move and carry. The structure of the device is relatively simple, and it is quick and convenient to use. The device has good practicality and relatively low production cost, which is easy to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 For this utility model Figure 1 A is a partial enlarged schematic diagram;

[0025] Figure 3 It is a rear view schematic diagram of the structure of the utility model;

[0026] Figure 4 For this utility model Figure 3 A partial enlarged schematic diagram of B in the middle;

[0027] Figure 5 It is a schematic front view of the structure of the first mounting block of the utility model;

[0028] Figure 6 It is a schematic front view of the structure of the second mounting block of the utility model;

[0029] Figure 7 It is a schematic front view of the structure of the third mounting block of the utility model.

[0030] In the figure: 1, base plate; 2, seat block; 3, fixed block; 4, clamping block; 5, fixed rod; 6, guide block; 7, connecting rope; 8, handle; 9, slide groove; 10, slider; 11, screw sleeve; 12, screw rod; 13, handle; 14, connecting rod; 15, first limit block; 16, second limit block; 17, gravity block; 18, mounting mechanism; 1801, first mounting block; 1802, first screw; 1803, second mounting block; 1804, second screw; 1805, third mounting block. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-7 The utility model provides an embodiment: a back muscle training device, comprising:

[0033] A bottom plate 1, a seat block 2 is fixedly connected to the right side of the upper end of the bottom plate 1, a fixed block 3 is fixedly connected to the upper side of the left end of the bottom plate 1, guide blocks 6 are arranged on the front and rear sides of the upper end of the fixed block 3, connecting ropes 7 are arranged at the front and rear ends of the fixed block 3, a handle 8 is fixedly connected to the right end of the connecting rope 7, a gravity block 17 is arranged in the fixed block 3, and mounting mechanisms 18 are arranged at the front and rear ends of the bottom plate 1;

[0034] A clamping assembly, which is arranged at the upper end of the fixing block 3 and is used to quickly fix the fixing rod 5 in the clamping block 4;

[0035] Sliding mechanism, the sliding mechanism is arranged at the front and rear ends of the bottom plate 1, and the sliding mechanism is used to quickly adjust the position of the connecting rod 14. The sliding mechanism includes a sliding groove 9, a slider 10, a screw sleeve 11, a screw rod 12 and a turning handle 13. The front and rear ends of the bottom plate 1 are provided with sliding grooves 9, the sliding grooves 9 are slidably connected with the slider 10, the slider 10 is provided with a screw sleeve 11, the screw sleeve 11 is inserted with a screw rod 12, the left end of the screw rod 12 is fixedly connected with the turning handle 13, and the upper end of the slider 10 is fixedly connected with the connecting rod 14;

[0036] The limiting assembly is arranged at the upper end of the connecting rod 14, and the limiting assembly is used to limit the second limiting block 16, such as Figure 1As shown, the device solves the problem that most of the existing related back training devices mentioned above do not have a corresponding limiting mechanism when in use, and the user will experience sudden muscle weakness during training, and the weight will suddenly fall downward due to gravity when losing the pulling force, which will pull the user's limbs and cause muscle strain to the user, and most of the existing related devices are heavy and difficult to carry. The structure of the device is relatively simple, and it is quick and convenient to use. The device has good practicality and relatively low production cost, which is easy to promote and use.

[0037] Further, the clamping assembly includes a clamping block 4 and a fixing rod 5. The clamping block 4 is fixedly connected to the front and rear sides of the upper end of the fixing block 3. The fixing rod 5 is arranged on the upper end of the clamping block 4. Figure 1 As shown, this structure facilitates the placement of the gravity block 17 in the fixed block 3 and allows the fixed rod 5 to be quickly fixed in the clamp block 4 for use. The mechanism allows the device to be quickly connected and separated, making the device more convenient to move and transport.

[0038] Furthermore, the limiting assembly includes a first limiting block 15 and a second limiting block 16. The upper end of the connecting rod 14 is fixedly connected to the first limiting block 15, and the right end outer wall of the connecting rope 7 is fixedly connected to the second limiting block 16. Figure 1 and Figure 3 As shown, this structure allows the first limit block 15 to limit the second limit block 16, so that when the user is training, the first limit block 15 can limit the second limit block 16 accordingly to prevent the gravity block 17 from being suddenly pulled downward by gravity and causing muscle strain to the user.

[0039] Furthermore, the clamp block 4 is C-shaped and is made of rubber material. Figure 1 As shown, this structure makes it easier to stably clamp the fixing rod 5 into the clamping block 4.

[0040] Furthermore, the outer wall of the handle 8 is provided with a rubber pad, and the outer wall of the handle 8 is provided with an anti-slip pattern with a depth of two millimeters. Figure 1 As shown, this structure facilitates pulling the handle 8 and prevents side slipping when pulling.

[0041] Furthermore, the chute 9 is a T-shaped chute, the slider 10 is a T-shaped block, and the chute 9 and the slider 10 are adapted to each other. Figure 1 and Figure 2 As shown, this structure facilitates the stable sliding of the slider 10 in the slide groove 9 and prevents position deviation during sliding.

[0042] Furthermore, the inner diameter of the screw sleeve 11 is equal to the outer diameter of the screw rod 12, and the outer wall of the turning handle 13 is fixedly connected with an auxiliary block, such as Figure 2As shown, this structure facilitates the stable rotation and movement of the screw sleeve 11 on the screw rod 12.

[0043] Furthermore, the first limit block 15 and the second limit block 16 are flat, and the outer wall edges of the first limit block 15 and the second limit block 16 are arc-shaped. Figure 1 As shown, this structure facilitates the second limiting block 16 to limit the first limiting block 15 quickly and stably.

[0044] Embodiment 1: The mounting mechanism 18 is composed of a first mounting block 1801 and a first screw 1802. Figure 5 As shown, this structure facilitates the base plate 1 to be stably installed on the horizontal ground, and has a simple structure and quick installation, making it convenient for users to use during training.

[0045] Embodiment 2: The mounting mechanism 18 is composed of a second mounting block 1803 and a second screw 1804. Figure 6 As shown, this structure facilitates the base plate 1 to be quickly fixed between two groups of second mounting blocks 1803 originally fixed on the ground. It has a simple structure and is quick to install, which is convenient for users to use during training.

[0046] Embodiment 3: The mounting mechanism 18 is composed of a third mounting block 1805, such as Figure 7 As shown, this structure allows the third mounting block 1805 to be quickly inserted below the ground, has a simple structure, is quick to use, and is convenient for user training.

[0047] Working principle: When in use, first place the device on a horizontal work surface, then fix the bottom plate 1 on the horizontal ground through the mounting mechanism 18, then place the gravity block 17 on the lower left side of the gravity block 17 in the movable groove in the fixed block 3, then clamp and fix the fixing rod 5 in the clamping block 4 at the upper end of the fixed block 3, then extend the front and rear ends of the connecting rope 7 to the right end through the guide block 6, the user holds the handle 8, sits on the seat block 2 and pulls the handle 8, so that the gravity block 17 is forced to move up and down in the fixed block 3, when the user suddenly has muscle weakness, the second limit block 1 6 moves in the direction of the first limit block 15, when the second limit block 16 contacts the first limit block 15, the gravity block 17 placed on the second limit block 16 is linearly lowered to strain the arm, and the turning handle 13 can make the screw rod 12 rotate, so that the screw sleeve 11 is subjected to the threaded action to make the slider 10 slide in the slide groove 9, so that the position of the first limit block 15 at the upper end of the connecting rod 14 is adjusted, so that the device can be more suitable for users with different degrees of training and different arm lengths, and the device has a simple structure and is easy to use. The above is the entire working principle of the utility model.

[0048] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A back muscle training device, characterized in that: include: A base plate (1), wherein a seat block (2) is fixedly connected to the right side of the upper end of the base plate (1), a fixed block (3) is fixedly connected to the upper side of the left end of the base plate (1), guide blocks (6) are arranged at the front and rear sides of the upper end of the fixed block (3), connecting ropes (7) are arranged at the front and rear ends of the fixed block (3), a handle (8) is fixedly connected to the right end of the connecting rope (7), a gravity block (17) is arranged inside the fixed block (3), and mounting mechanisms (18) are arranged at the front and rear ends of the base plate (1); A clamping assembly, the clamping assembly being arranged at the upper end of the fixing block (3), the clamping assembly being used to quickly fix the fixing rod (5) in the clamping block (4); A sliding mechanism, the sliding mechanism being arranged at the front and rear ends of the base plate (1), the sliding mechanism being used to quickly adjust the position of the connecting rod (14), the sliding mechanism comprising a sliding groove (9), a slider (10), a screw sleeve (11), a screw rod (12) and a turning handle (13), the front and rear ends of the base plate (1) being provided with a sliding groove (9), the slider (10) being slidably connected in the sliding groove (9), the slider (10) being provided with a screw sleeve (11), the screw rod (12) being inserted in the screw sleeve (11), the left end of the screw rod (12) being fixedly connected to the turning handle (13), and the upper end of the sliding block (10) being fixedly connected to the connecting rod (14); A limiting assembly, the limiting assembly being arranged at the upper end of the connecting rod (14), and the limiting assembly being used to limit the second limiting block (16).

2. A back muscle training device according to claim 1, characterized in that: The clamping assembly comprises a clamping block (4) and a fixing rod (5); the clamping block (4) is fixedly connected to the front and rear sides of the upper end of the fixing block (3); and the fixing rod (5) is provided at the upper end of the clamping block (4).

3. A back muscle training device according to claim 1, characterized in that: The limiting assembly comprises a first limiting block (15) and a second limiting block (16); the upper end of the connecting rod (14) is fixedly connected to the first limiting block (15); and the right end outer wall of the connecting rope (7) is fixedly connected to the second limiting block (16).

4. A back muscle training device according to claim 2, characterized in that: The clamping block (4) is C-shaped and is made of rubber material.

5. The back muscle training device according to claim 1, characterized in that: The outer wall of the handle (8) is provided with a rubber pad, and the outer wall of the handle (8) is provided with anti-slip grooves with a depth of two millimeters.

6. The back muscle training device according to claim 3, characterized in that: The slide groove (9) is a T-shaped groove, the slide block (10) is a T-shaped block, and the slide groove (9) and the slide block (10) are adapted to each other.

7. The back muscle training device according to claim 3, characterized in that: The inner diameter of the screw sleeve (11) is equal to the outer diameter of the screw rod (12), and an auxiliary block is fixedly connected to the outer wall of the turning handle (13).

8. The back muscle training device according to claim 3, characterized in that: The first limiting block (15) and the second limiting block (16) are flat, and the outer wall edges of the first limiting block (15) and the second limiting block (16) are arc-shaped.

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