Elbow folding armrest for strengthening web

Abstract

The utility model discloses an elbow folding handrail of a web strengthening plate. The elbow folding handrail comprises a first web strengthening plate, a second web strengthening plate hinged to one side of the first web strengthening plate and a plurality of sliding blocks arranged at the top of the first web strengthening plate. A storage groove is formed in the top of the sliding block, a sliding assembly is arranged at the bottom of the sliding block, an armrest body is arranged on the inner side of the storage groove, and a rotary limiting assembly is arranged on the inner side of the sliding block; after the waist and abdomen exercise is completed, the second abdomen exercising plate is hinged to one side of the first abdomen exercising plate, so that the first abdomen exercising plate and the second abdomen exercising plate can be turned and folded, and under the cooperation of the armrest body, the rotating shaft, the rotating rod, the ratchet wheel, the ratchet and the clockwork spring, the vertical posture of the armrest body relative to the sliding block can be relieved; the armrest body can be accommodated in the inner side of the accommodating groove, so that the overall size can be greatly reduced, the occupied space during storage can be greatly reduced, the portability is improved, and the flexibility and the practicability of the armrest are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness equipment, in particular to an elbow folding armrest for an abdominal exercise board. Background Art

[0002] An abdominal exercise board, also known as an abdominal muscle board, is a fitness equipment designed for abdominal training. This fitness equipment can exercise the waist and abdomen, reduce belly fat, exercise muscles and ankles, and also play a role in improving cardiopulmonary function and increasing blood circulation. At the same time, it also has a certain effect on alleviating the back fascia strain of patients with lumbar muscle strain. Because of its convenient use and remarkable use effect, it is loved by the majority of fitness enthusiasts.

[0003] A multifunctional sliding abdominal exercise board disclosed in the Chinese utility model patent with the publication number CN207024506U includes a sliding board and a load-bearing board. The sliding board is arranged above the load-bearing board. A pulley assembly is arranged at the bottom of the sliding board, and the pulley assembly is slidably connected with a guide rail groove arranged on the load-bearing board and can slide back and forth along the guide rail groove. Users can kneel on the sliding board on their knees, sit on the sliding board on their buttocks, or put their feet on the sliding board, and perform training by sliding back and forth. The structure is simple, the price is relatively cheap, the training effect is remarkable, the waist and abdominal muscles can be trained in all directions, and there are rich and targeted training actions for improving the waist and abdominal strength, integrating efficacy and interest, and it is a brand-new abdominal exercise equipment.

[0004] However, after the device is used, its integrity and space utilization effect are often poor, resulting in difficulty in effectively reducing the overall volume, occupying more space when placed for storage, and being inconvenient for users to carry, thus reducing the portability. Summary of the Invention

[0005] The utility model overcomes the deficiencies of the prior art and provides an elbow folding armrest for an abdominal exercise board.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is: an elbow folding armrest for an abdominal exercise board, including: a first abdominal exercise board, a second abdominal exercise board hinged to one side of the first abdominal exercise board, and a plurality of sliding blocks arranged on the top of the first abdominal exercise board;

[0007] A storage groove is formed at the top of the sliding block, a sliding assembly for sliding the sliding block and limiting its path is arranged at the bottom of the sliding block, an armrest body is arranged inside the storage groove, and a rotation limiting assembly is arranged inside the sliding block;

[0008] The rotation limiting assembly includes: a keyway and a rotation groove that are opened inside the sliding block and are sequentially located on one side of the storage groove, and a rotating shaft fixed inside one end of the armrest body; a rotating rod is arranged on one side of the sliding block, a ratchet wheel is fixed on the side of the rotating shaft located inside the keyway, a ratchet tooth is fixed on the side of the rotating rod located inside the keyway, and a clockwork spring is arranged on the side of the rotating rod located inside the rotation groove.

[0009] In a preferred embodiment of the present invention, the side of the rotating shaft is respectively rotatably connected to the inner sides of the storage groove and the keyway, the rotating rod sequentially penetrates to the inner sides of the rotation groove and the keyway, and the side of the rotating rod is respectively rotatably connected to the inner sides of the rotation groove and the keyway.

[0010] In a preferred embodiment of the present invention, one end of the ratchet tooth is clamped with the side of the ratchet wheel, the inner end of the clockwork spring is fixed to the side of the rotating rod, and the outer end is fixed to the inner side of the rotation groove.

[0011] In a preferred embodiment of the present invention, a V-shaped handle for manually driving the rotation of the rotating rod is fixed to one end of the rotating rod located outside the sliding block.

[0012] In a preferred embodiment of the present invention, the shape and size of the armrest body are the same as those of the storage groove, and one side inside the storage groove is an arc edge.

[0013] In a preferred embodiment of the present invention, a plurality of elbow support blocks are fixed on the top of the sliding block. The elbow support blocks are composed of a flexible base layer, a flexible support layer, and a non-woven fabric. The flexible support layer is located on the top of the flexible base layer, and the non-woven fabric is located outside the flexible base layer and the flexible support layer.

[0014] In a preferred embodiment of the present invention, the material of the flexible base layer is hard memory sponge, and the material of the flexible support layer is soft memory sponge.

[0015] In a preferred embodiment of the present invention, a plurality of ventilation holes are opened on the top and side of the elbow support block, and the plurality of ventilation holes communicate with each other.

[0016] In a preferred embodiment of the present invention, the sliding assembly includes: a plurality of sliding grooves opened on the tops of the first key web and the second key web, a plurality of connecting blocks fixed to the bottoms of the plurality of sliding blocks, and a plurality of rotating wheels rotatably connected to the bottoms of the connecting blocks; the side of the connecting block is slidably connected to the inner side of the sliding groove, a damping rope is fixed to one side of the connecting block located inside the sliding groove, and one end of the damping rope is fixed to the inside of the sliding groove.

[0017] In a preferred embodiment of the present utility model, draw grooves are provided at the tops of the first abdominal exercise plate and the second abdominal exercise plate.

[0018] The present utility model solves the defects existing in the background technology, and the present utility model has the following

[0019] Beneficial effects:

[0020] (1) The present utility model provides an elbow folding armrest for an abdominal exercise plate. By arranging a plurality of sliding blocks at the top of the first abdominal exercise plate, when the user kneels on a plane with both knees, both elbows support on the sliding blocks, and both hands hold the armrest body perpendicular to the sliding blocks. With the cooperation of the sliding components at the bottom of the sliding blocks, abdominal exercise can be carried out. After completing the abdominal exercise, since the second abdominal exercise plate is hinged to one side of the first abdominal exercise plate, the first abdominal exercise plate and the second abdominal exercise plate can be flipped and folded. With the cooperation of the armrest body, the rotating shaft, the rotating rod, the ratchet wheel, the ratchet teeth and the clockwork spring, the posture of the armrest body perpendicular to the sliding blocks can be released, and the armrest body can be flipped and stored inside the storage groove, thereby greatly reducing the overall volume, significantly reducing the space occupied during storage, and improving portability, thus improving its flexibility and practicality.

[0021] (2) In the present utility model, a plurality of elbow support blocks are fixed at the top of the sliding blocks, and the elbow support blocks are composed of a flexible base layer, a flexible support layer and non-woven fabric. When the user places the elbows on the tops of the plurality of elbow support blocks, since the material of the flexible base layer is hard memory sponge and the material of the flexible support layer is soft memory sponge, it can play a role of flexible contact support for the elbows, avoiding the discomfort caused by long-term hard contact. At the same time, with the cooperation of a plurality of ventilation holes provided at the top and side of the elbow support blocks, since the plurality of ventilation holes communicate with each other, it helps to increase the ventilation effect when the elbows contact the elbow support blocks, thereby improving the comfort during exercise. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The following further describes the present utility model in conjunction with the drawings and embodiments;

[0023] Figure 1 is the three-dimensional structure diagram of the preferred embodiment of the present utility model;

[0024] Figure 2 is the semi-sectional structure of the sliding block and its partial enlarged view of the preferred embodiment of the present utility model;

[0025] Figure 3 is the structure at the connection of the ratchet wheel and the ratchet teeth and its partial enlarged view of the preferred embodiment of the present utility model;

[0026] Figure 4It is a half-sectional structure diagram of the first health abdominal plate of the preferred embodiment of the present utility model;

[0027] In the figure: 1. First health abdominal plate; 2. Second health abdominal plate; 3. Sliding block; 31. Receiving groove; 32. Armrest body; 4. Key groove; 41. Rotating groove; 42. Rotating shaft; 43. Rotating rod; 44. Ratchet; 45. Ratchet teeth; 46. Hairspring; 5. V-shaped handle; 6. Elbow support block; 7. Ventilation hole; 8. Slide groove; 81. Connecting block; 82. Rotating wheel; 83. Damping rope; 9. Pulling groove. Detailed implementation manners

[0028] Now, the present utility model will be further described in detail with reference to the drawings and embodiments. These drawings are all simplified schematic diagrams, only schematically showing the basic structure of the present utility model, so they only show the components related to the present utility model.

[0029] As Figure 1 、 Figure 2 and Figure 3 shown, an elbow folding armrest of a health abdominal plate includes: a first health abdominal plate 1, a second health abdominal plate 2 hinged to one side of the first health abdominal plate 1, and a plurality of sliding blocks 3 arranged on the top of the first health abdominal plate 1; a receiving groove 31 is formed on the top of the sliding block 3, a sliding assembly for sliding the sliding block 3 and limiting the path is arranged at the bottom of the sliding block 3, an armrest body 32 is arranged inside the receiving groove 31, and a rotation limiting assembly is arranged inside the sliding block 3; the rotation limiting assembly includes: a key groove 4 and a rotating groove 41 which are formed inside the sliding block 3 and are sequentially located on one side of the receiving groove 31, and a rotating shaft 42 fixed to the inner side of one end of the armrest body 32; a rotating rod 43 is arranged on one side of the sliding block 3, a ratchet 44 is fixed to the side surface of the rotating shaft 42 located inside the key groove 4, a ratchet tooth 45 is fixed to the side surface of the rotating rod 43 located inside the key groove 4, and a hairspring 46 is arranged on the side surface of the rotating rod 43 located inside the rotating groove 41.

[0030] It should be noted that the side surfaces of the rotating shaft 42 are respectively rotatably connected to the inner sides of the storage groove 31 and the key groove 4. The rotating rod 43 sequentially penetrates to the inner sides of the rotating groove 41 and the key groove 4, and the side surfaces of the rotating rod 43 are respectively rotatably connected to the inner sides of the rotating groove 41 and the key groove 4; one end of the ratchet tooth 45 is clamped to the side surface of the ratchet wheel 44, the inner end of the hairspring 46 is fixed to the side surface of the rotating rod 43, and the outer end is fixed to the inner side of the rotating groove 41; when exercising, the first abdominal exercise plate 1 and the second abdominal exercise plate 2 are laid flat and unfolded, and the armrest body 32 in the storage groove 31 is manually toggled to turn the armrest body 32 out of the storage groove 31. During the turning, the rotating shaft 42 fixed to the inner side of one end of the armrest body 32 will rotate synchronously on the inner sides of the storage groove 31 and the key groove 4. The ratchet wheel 44 on the inner side surface of the key groove 4 where the rotating shaft 42 is located will rotate synchronously. The ratchet teeth 45 on the side surface of the rotating rod 43 located on the inner side surface of the key groove 4 will change the position of engagement with the side surface of the ratchet wheel 44 as the ratchet wheel 44 rotates. When the armrest body 32 is turned to a vertical posture with respect to the sliding block 3, the hairspring 46 on the inner side surface of the rotating groove 41 where the rotating rod 43 is located will maintain the posture of the rotating rod 43 to prevent rotation, and at the same time, it can maintain the engagement state between the ratchet teeth 45 on the side surface of the rotating rod 43 and the ratchet wheel 44, ensuring that the armrest body 32 can be stably perpendicular to the sliding block 3. When the user kneels on the plane with both knees, the elbows are supported on the sliding block 3, and the hands are held on the armrest body 32 perpendicular to the sliding block 3. With the cooperation of the sliding assembly at the bottom of the sliding block 3, abdominal and lumbar exercises can be carried out. After completing the abdominal and lumbar exercises, since the second abdominal exercise plate 2 is hinged to one side of the first abdominal exercise plate 1, the first abdominal exercise plate 1 and the second abdominal exercise plate 2 can be turned and folded. Manually rotate the rotating rod 43 and squeeze the hairspring 46 to drive the ratchet teeth 45 to disengage from the engagement with the ratchet wheel 44, which can release the vertical posture of the armrest body 32 relative to the sliding block 3. The armrest body 32 can be turned and stored inside the storage groove 31. Cancel the rotational force on the rotating rod 43, and then the hairspring 46 resets to drive the ratchet teeth 45 on the side surface of the rotating rod 43 to continue to engage with the side surface of the ratchet wheel 44, maintaining the storage state of the armrest body 32 inside the storage groove 31. Thereby, the overall volume can be greatly reduced, significantly reducing the space occupied during storage and improving portability, thus improving its flexibility and practicality.

[0031] In some embodiments, a V-shaped handle 5 for manually driving the rotation of the rotating rod 43 is fixed to one end of the rotating rod 43 located outside the sliding block 3; through the setting of the V-shaped handle 5, when it is necessary to drive the rotation of the rotating rod 43, manually pinch and turn the V-shaped handle 5, which can drive the rotation of the rotating rod 43 on one side of the V-shaped handle 5, so as to provide a rotational force for the rotating rod 43.

[0032] In some embodiments, the shape and size of the armrest body 32 are the same as those of the storage groove 31, and one side inside the storage groove 31 is an arc edge; since the shape and size of the armrest body 32 are the same as those of the storage groove 31, when the armrest body 32 is located inside the storage groove 31, due to the setting of the arc edge, it is convenient to manually reach into the storage groove 31 from the arc edge, and the armrest body 32 can be toggled to flip out from the storage groove 31.

[0033] In some embodiments, a plurality of elbow support blocks 6 are fixed on the top of the sliding block 3. The elbow support blocks 6 are composed of a flexible base layer, a flexible support layer and non-woven fabric. The flexible support layer is located on the top of the flexible base layer, and the non-woven fabric is located on the outer sides of the flexible base layer and the flexible support layer.

[0034] It should be noted that the material of the flexible base layer is hard memory foam, and the material of the flexible support layer is soft memory foam; when the user places the elbows on the tops of the plurality of elbow support blocks 6, since the material of the flexible base layer is hard memory foam and the material of the flexible support layer is soft memory foam, it can play a role of flexible contact support for the elbows and avoid the discomfort caused by long-term hard contact.

[0035] In some embodiments, a plurality of ventilation holes 7 are formed in the tops and sides of the elbow support blocks 6, and the plurality of ventilation holes 7 communicate with each other; through the setting of the plurality of ventilation holes 7, since the plurality of ventilation holes 7 communicate with each other, it helps to increase the ventilation effect when the elbows contact the elbow support blocks 6, thereby improving the comfort during exercise.

[0036] As Figure 4 shown, in some embodiments, the sliding assembly includes: a plurality of sliding grooves 8 formed in the tops of the first abdominal muscle plate 1 and the second abdominal muscle plate 2, a plurality of connecting blocks 81 fixed to the bottoms of the plurality of sliding blocks 3, and a plurality of rotating wheels 82 rotatably connected to the bottoms of the connecting blocks 81; the sides of the connecting blocks 81 are slidably connected to the inner sides of the sliding grooves 8, and a damping rope 83 is fixed to one side of the connecting blocks 81 located inside the sliding grooves 8, and one end of the damping rope 83 is fixed to the inside of the sliding grooves 8.

[0037] It should be noted that the material of the damping rope 83 is a high-elastic material, preferably a rubber material; when the user supports the elbows on the plurality of sliding blocks 3 for exercise, support the elbows on the tops of the plurality of sliding blocks 3 and push the plurality of sliding blocks 3 to make the plurality of connecting blocks 81 at their bottoms slide along the length direction of the plurality of sliding grooves 8. When the connecting blocks 81 slide, the plurality of rotating wheels 82 rotatably connected to the bottoms will contact the inner bottom of the sliding grooves 8 and rotate, so that the bottoms of the rotating wheels 82 slide and support on the inner bottom of the sliding grooves 8, improving the stability during sliding exercise. At the same time, the damping effect of the high-elastic damping rope 83 can help the user better control the strength and speed during exercise, and can be pulled by itself according to the exercise intensity required by the user to achieve a personalized exercise effect.

[0038] In some embodiments, a pulling groove 9 is provided at the top of both the first health web plate 1 and the second health web plate 2; through the setting of the pulling groove 9, after the first health web plate 1 and the second health web plate 2 are folded, it is convenient for the user to hold and carry through the pulling groove 9.

[0039] When the present utility model is in use, when the user places the elbow on the top of several elbow support blocks 6, since the material of the flexible base layer is hard memory sponge and the material of the flexible support layer is soft memory sponge, it can play a role of flexible contact support for the elbow, avoiding the discomfort caused by long-term hard contact. At the same time, with the cooperation of several ventilation holes 7 provided on the top and side of the elbow support block 6, since several ventilation holes 7 communicate with each other, it helps to increase the ventilation effect when the elbow contacts the elbow support block 6, thereby improving the comfort during exercise. After the abdominal exercise is completed, since the second health web plate 2 is hinged to one side of the first health web plate 1, the first health web plate 1 and the second health web plate 2 can be flipped and folded. Manually pinch the V-shaped handle 5 to drive the rotating rod 43 on one side to rotate, and squeeze the spiral spring 46, driving the ratchet tooth 45 to disengage from the engagement with the ratchet wheel 44, which can release the posture of the armrest body 32 perpendicular to the sliding block 3, and the armrest body 32 can be flipped and stored inside the storage groove 31. Cancel the rotational force on the rotating rod 43, and then the spiral spring 46 resets to drive the ratchet tooth 45 on the side of the rotating rod 43 to continue to engage with the side of the ratchet wheel 44, maintaining the storage state of the armrest body 32 in the storage groove 31. Furthermore, the overall volume can be greatly reduced, significantly reducing the space occupied during storage and improving portability, thereby improving its flexibility and practicality.

[0040] Based on the above inspiration from the ideal embodiments of the present utility model, through the above description, for those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0041] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An elbow folding armrest for a fitness abdominal board, characterized in that, Including: A first health web plate (1), a second health web plate (2) hinged to one side of the first health web plate (1), and a plurality of sliding blocks (3) arranged on the top of the first health web plate (1); A receiving groove (31) is formed at the top of the sliding block (3), a sliding assembly for sliding the sliding block (3) and limiting the path is arranged at the bottom of the sliding block (3), an armrest body (32) is arranged inside the receiving groove (31), and a rotation limiting assembly is arranged inside the sliding block (3); The rotation limiting assembly includes: a key groove (4) and a rotation groove (41) formed inside the sliding block (3) and sequentially located on one side of the receiving groove (31), and a rotating shaft (42) fixed to the inner side of one end of the armrest body (32); a rotating rod (43) is arranged on one side of the sliding block (3), a ratchet wheel (44) is fixed to the side surface of the rotating shaft (42) located inside the key groove (4), a ratchet tooth (45) is fixed to the side surface of the rotating rod (43) located inside the key groove (4), and a clockwork spring (46) is arranged on the side surface of the rotating rod (43) located inside the rotation groove (41).

2. The elbow folding armrest of a fitness abdominal board according to claim 1, characterized in that: The side surface of the rotating shaft (42) is respectively rotationally connected to the inner sides of the receiving groove (31) and the key groove (4), the rotating rod (43) sequentially penetrates to the inner sides of the rotation groove (41) and the key groove (4), and the side surface of the rotating rod (43) is respectively rotationally connected to the inner sides of the rotation groove (41) and the key groove (4).

3. The elbow folding armrest of a fitness abdominal board according to claim 1, characterized in that: One end of the ratchet tooth (45) is clamped with the side surface of the ratchet wheel (44), the inner side end of the clockwork spring (46) is fixed to the side surface of the rotating rod (43), and the outer side end is fixed to the inner side of the rotation groove (41).

4. The elbow folding armrest of a sit-up board according to claim 1, characterized in that: One end of the rotating rod (43) located outside the sliding block (3) is fixed with a V-shaped handle (5) for manually driving the rotating rod (43) to rotate.

5. The elbow folding armrest of a sit-up board according to claim 1, characterized in that: The shape and size of the armrest body (32) are the same as those of the receiving groove (31), and one side inside the receiving groove (31) is an arc edge.

6. The elbow folding armrest of a sit-up board according to claim 1, characterized in that: A plurality of elbow support blocks (6) are fixed to the top of the sliding block (3), and the elbow support blocks (6) are composed of a flexible base layer, a flexible support layer and non-woven fabric. The flexible support layer is located on the top of the flexible base layer, and the non-woven fabric is located outside the flexible base layer and the flexible support layer.

7. An elbow folding armrest for a sit-up board according to claim 6, characterized in that: The material of the flexible base layer is hard memory sponge, and the material of the flexible support layer is soft memory sponge.

8. The elbow folding armrest of a fitness abdominal board according to claim 6, characterized in that: A plurality of ventilation holes (7) are formed in the top and side surfaces of the elbow support block (6), and the plurality of ventilation holes (7) communicate with each other.

9. The elbow folding armrest of a fitness abdominal board according to claim 1, characterized in that: The sliding assembly includes: a plurality of chutes (8) formed at the tops of the first key web (1) and the second key web (2), a plurality of connecting blocks (81) fixed to the bottoms of the plurality of sliding blocks (3), and a plurality of runners (82) rotatably connected to the bottoms of the connecting blocks (81); the sides of the connecting blocks (81) are slidably connected to the inner sides of the chutes (8), one side of the connecting blocks (81) located inside the chutes (8) is fixed with a damping rope (83), and one end of the damping rope (83) is fixed to the inside of the chutes (8).

10. The elbow folding armrest of a fitness abdominal board according to claim 1, characterized in that: Lug slots (9) are formed at the tops of both the first key web (1) and the second key web (2).

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