Arm muscle exerciser

Abstract

The utility model relates to an arm muscle exerciser, which belongs to the technical field of muscle exercisers and comprises a turntable, a first hollow circular ring, a second hollow circular ring and a third hollow circular ring, and a weight adjusting mechanism is arranged among the turntable, the first hollow circular ring, the second hollow circular ring and the third hollow circular ring. The weight adjusting mechanism comprises a first annular groove, a second annular groove and a third annular groove which are formed in the surface of one side of the rotating disc, and clamping grooves are formed in the surfaces of inner cavities of the first annular groove, the second annular groove and the third annular groove. According to the arm muscle exerciser, the rotating disc, the first hollow circular ring, the second hollow circular ring and the third hollow circular ring are arranged, the arc-shaped balancing weights are arranged in the first hollow circular ring, the second hollow circular ring and the third hollow circular ring, the clamping pins are arranged on the arc-shaped balancing weights, and the clamping grooves are formed in the rotating disc, so that the arm muscle exerciser can be used through cooperation of the clamping pins and the clamping grooves during use; the rotating disc is connected with the arc-shaped balancing weight, and the rotating disc is used for enabling the arms of the patient to do circular motion.

Description

Technical Field

[0001] The utility model relates to the technical field of muscle exercisers, in particular to an arm muscle exerciser. Background Art

[0002] The arm muscle trainer is a device used for patients with arm injuries to exercise their arm muscles during the rehabilitation process. The arm muscle trainer can help patients restore arm muscle function, which is beneficial to helping patients recover their arm muscle function.

[0003] Chinese patent CN211885202U discloses an arm rehabilitation nursing exerciser, which relates to the field of nursing equipment. The arm rehabilitation nursing exerciser includes a base with a friction pad, a column with a bearing, a connecting rod connected to the bearing, a threaded tube with a threaded rod, and a handle and a rotating ball. The arm rehabilitation nursing exerciser allows the patient to draw circles with his / her arms to exercise the arm muscles, and can change the strength required for drawing circles. The operation is simple and convenient, and can improve the coordination ability of the patient's arms and accelerate the recovery of the patient's arm muscles.

[0004] The above patent aims to improve the shortcomings of the arm rehabilitation and nursing training equipment in the prior art, which are ordinary dumbbells, pullers and other equipment, which cannot exercise and improve the coordination ability of the patient's arm, resulting in slow recovery of the patient's arm muscles and unsatisfactory training effects. This embodiment provides another implementation scheme for the problems raised in the above patent. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides an arm muscle exerciser, which has the advantage of good exercise effect, and solves the problem that the arm rehabilitation and nursing exercise equipment in the prior art is ordinary dumbbells, pullers and other equipment, which cannot exercise and improve the coordination ability of the patient's arm, resulting in slow recovery of the patient's arm muscles and unsatisfactory exercise effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an arm muscle exerciser, comprising a turntable, a first hollow ring, a second hollow ring and a third hollow ring, wherein a weight allocation mechanism is provided between the turntable, the first hollow ring, the second hollow ring and the third hollow ring;

[0007] The weight adjustment mechanism includes a first annular groove, a second annular groove and a third annular groove formed on the surface of one side of the turntable, wherein the inner surfaces of the first annular groove, the second annular groove and the third annular groove are all provided with a clamping groove, and an arc-shaped counterweight block is slidably installed in the first hollow ring, the second hollow ring and the third hollow ring, wherein a rectangular cavity is formed inside the arc-shaped counterweight block, and a threaded hole connected to the rectangular cavity is formed on the surface of the arc-shaped counterweight block, wherein the threaded hole is internally threadedly connected with a threaded rod having one end extending into the rectangular cavity, and one end of the threaded rod is rotated A first connecting plate is installed in the rectangular cavity, a spring is fixedly installed on the surface of the first connecting plate, a second connecting plate is fixedly installed on the surface of the spring, a bayonet pin that penetrates to the outer surface of the arc-shaped counterweight block is fixedly installed on the surface of the second connecting plate, and annular holes that are connected to the interior of the first hollow ring, the second hollow ring and the third hollow ring are opened on the surface of the first hollow ring, the second hollow ring and the third hollow ring, the three bayonet pins are respectively located in the first annular groove, the second annular groove and the third annular groove, and the bayonet pins are adapted to the slots.

[0008] Furthermore, the diameter of the first hollow ring is smaller than the diameter of the second hollow ring, the diameter of the second hollow ring is smaller than the diameter of the third hollow ring, the first hollow ring is located inside the second hollow ring, the second hollow ring is located inside the third hollow ring, and a plurality of connecting rods are fixedly installed between the first hollow ring and the second hollow ring and between the second hollow ring and the third hollow ring.

[0009] Furthermore, three support rods are fixedly installed on the inner side of the first hollow circular ring, a connecting block is fixedly installed on one end of the support rod, a connecting shaft is rotatably installed on the surface of the connecting block, and the turntable is fixedly installed on one end of the connecting shaft.

[0010] Furthermore, the bayonet is located inside the annular hole, and an outer surface of the bayonet is in sliding contact with an inner surface of the annular hole.

[0011] Furthermore, the first connecting plate and the second connecting plate are both in sliding contact with the inner surface of the rectangular cavity.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0013] The arm muscle trainer is provided with a turntable and a first hollow ring, a second hollow ring and a third hollow ring, arc-shaped counterweights are arranged in the first hollow ring, the second hollow ring and the third hollow ring, a latch is arranged on the arc-shaped counterweight, and a latch slot is arranged on the turntable. When in use, the turntable and the arc-shaped counterweight can be connected by the cooperation of the latch pin and the latch slot, the turntable is used to make the patient's arm do circular motion, and the weight of the turntable is increased by the arc-shaped counterweight, so that the patient's arm muscles and joints can be exercised at the same time without causing weight to the patient's arm. The patient can adjust the number of arc-shaped counterweights when rotating the turntable according to the degree of rehabilitation, and then can adjust the weight when rotating the turntable, thereby solving the problem that the arm rehabilitation nursing exercise equipment in the prior art is ordinary dumbbells, pullers and other equipment, which cannot exercise and improve the coordination ability of the patient's arm, resulting in slow recovery of the patient's arm muscles and unsatisfactory exercise effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the first hollow circular ring of the utility model structure;

[0016] Figure 3 This is a schematic diagram of the first annular groove, the second annular groove and the third annular groove of the utility model structure;

[0017] Figure 4 This is a cross-sectional schematic diagram of the arc-shaped counterweight block of the utility model;

[0018] Figure 5 This is a schematic diagram of the cross section of the first hollow circular ring of the structure of the utility model;

[0019] Figure 6 This is a schematic diagram of the appearance of the arc-shaped counterweight block of the utility model.

[0020] In the figure: 1, turntable; 2, first hollow ring; 3, second hollow ring; 4, third hollow ring; 5, first annular groove; 6, second annular groove; 7, third annular groove; 8, slot; 9, arc-shaped counterweight; 10, rectangular cavity; 11, threaded hole; 12, threaded rod; 13, first connecting plate; 14, spring; 15, second connecting plate; 16, bayonet; 17, annular hole; 18, connecting rod; 19, support rod; 20, connecting block; 21, connecting shaft. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-6 In the present embodiment, an arm muscle exerciser comprises a turntable 1, a first hollow ring 2, a second hollow ring 3 and a third hollow ring 4, a weight allocation mechanism is arranged between the turntable 1, the first hollow ring 2, the second hollow ring 3 and the third hollow ring 4, the weight allocation mechanism comprises a first annular groove 5, a second annular groove 6 and a third annular groove 7 which are arranged on a surface of one side of the turntable 1, a clamping groove 8 is arranged on the inner surface of the first annular groove 5, the second annular groove 6 and the third annular groove 7, an arc-shaped counterweight block 9 is slidably installed in the first hollow ring 2, the second hollow ring 3 and the third hollow ring 4, a rectangular cavity 10 is arranged inside the arc-shaped counterweight block 9, a threaded hole 11 which is connected to the rectangular cavity 10 is arranged on the surface of the arc-shaped counterweight block 9, a threaded rod 12 having one end extending into the rectangular cavity 10 is threadedly connected to the threaded hole 11, and a threaded rod 12 having one end extending into the rectangular cavity 10 is rotatably installed at one end of the threaded rod 12 A first connecting plate 13 is located in the rectangular cavity 10, and a spring 14 is fixedly installed on the surface of the first connecting plate 13, and a second connecting plate 15 is fixedly installed on the surface of the spring 14. A bayonet 16 that penetrates the outer surface of the arc-shaped counterweight 9 is fixedly installed on the surface of the second connecting plate 15. The surfaces of the first hollow ring 2, the second hollow ring 3 and the third hollow ring 4 are all provided with annular holes 17 that are connected to the inside of the first hollow ring 2, the second hollow ring 3 and the third hollow ring 4. The bayonet 16 is located on the inner side of the annular hole 17, and the outer surface of the bayonet 16 is in sliding contact with the inner surface of the annular hole 17, so that the bayonet 16 can move on the first hollow ring 2, the second hollow ring 3 and the third hollow ring 4. The three bayonet pins 16 are respectively located in the first annular groove 5, the second annular groove 6 and the third annular groove 7, and the bayonet pin 16 is adapted to the slot 8, so that the bayonet pin 16 can be inserted into the slot 8.

[0023] The diameter of the first hollow ring 2 is smaller than the diameter of the second hollow ring 3, and the diameter of the second hollow ring 3 is smaller than the diameter of the third hollow ring 4. The first hollow ring 2 is located inside the second hollow ring 3, and the second hollow ring 3 is located inside the third hollow ring 4. A plurality of connecting rods 18 are fixedly installed between the first hollow ring 2 and the second hollow ring 3 and between the second hollow ring 3 and the third hollow ring 4. The first hollow ring 2, the second hollow ring 3 and the third hollow ring 4 can be assembled together through the plurality of connecting rods 18. Three support rods 19 are fixedly installed on the inside of the first hollow ring 2, and a connecting block 20 is fixedly installed at one end of the support rod 19. A connecting shaft 21 is rotatably installed on the surface of the connecting block 20. The turntable 1 is fixedly installed on one end of the connecting shaft 21. The first connecting plate 13 and the second connecting plate 15 are both in sliding contact with the inner surface of the rectangular cavity 10, so as to facilitate the movement of the first connecting plate 13 and the second connecting plate 15 in the rectangular cavity 10.

[0024] It should be noted that a handle is rotatably mounted on the surface of the turntable 1 in this embodiment at one side away from the first annular groove 5 , the second annular groove 6 and the third annular groove 7 .

[0025] It should be noted that in this embodiment, the diameter of the first annular groove 5 is smaller than the diameter of the second annular groove 6 , the diameter of the second annular groove 6 is smaller than the diameter of the third annular groove 7 , the first annular groove 5 is located inside the second annular groove 6 , and the second annular groove 6 is located inside the third annular groove 7 .

[0026] It should be noted that the first hollow ring 2 , the second hollow ring 3 and the third hollow ring 4 in this embodiment have the same shape.

[0027] The working principle of the above embodiment is:

[0028] When in use, the threaded rod 12 is twisted to make the bayonet 16 move to the inside of the first annular groove 5, the second annular groove 6 and the third annular groove 7 and closely contact the inside of the annular groove. At this time, the spring 14 is compressed between the first connecting plate 13 and the second connecting plate 15, and the turntable 1 is rotated. When the bayonet 16 corresponds to the slot 8, it will be stuck in the slot 8 under the action of the spring 14. At this time, the corresponding arc counterweight block 9 will be connected to the turntable 1. According to the above steps, the other two arc counterweight blocks 9 can be connected to the turntable 1 according to the patient's needs. The turntable 1 is rotated by the handle, and the gravity of the arc counterweight block 9 is used to increase the resistance of the turntable 1 when the turntable 1 rotates, so as to achieve the purpose of exercising the patient's arm muscles. At the same time, the circular design of the turntable 1, the first hollow ring 2, the second hollow ring 3 and the third hollow ring 4 can make the patient's hand expand and contract regularly, so that the patient's arm joints can be exercised, and the patient's arm exercised by rotating the turntable 1 will not cause extra burden to the patient, so as to improve the exercise effect of the patient's arm.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An arm muscle exerciser, comprising a turntable (1), a first hollow ring (2), a second hollow ring (3) and a third hollow ring (4), characterized in that: A weight adjustment mechanism is provided between the rotating disk (1), the first hollow ring (2), the second hollow ring (3) and the third hollow ring (4); The weight adjustment mechanism comprises a first annular groove (5), a second annular groove (6) and a third annular groove (7) which are formed on the surface of one side of the rotating disk (1); a clamping groove (8) is formed on the inner surfaces of the first annular groove (5), the second annular groove (6) and the third annular groove (7); an arc-shaped counterweight (9) is slidably mounted in the first hollow ring (2), the second hollow ring (3) and the third hollow ring (4); a rectangular cavity (10) is formed inside the arc-shaped counterweight (9); a threaded hole (11) which is connected to the rectangular cavity (10) is formed on the surface of the arc-shaped counterweight (9); a threaded rod (12) having one end extending into the rectangular cavity (10) is threadedly connected to the inner surface of the threaded hole (11); one end of the threaded rod (12) is rotatably mounted with a positioning member. A first connecting plate (13) is arranged in the rectangular cavity (10), a spring (14) is fixedly mounted on the surface of the first connecting plate (13), a second connecting plate (15) is fixedly mounted on the surface of the spring (14), a bayonet (16) which penetrates the outer surface of the arc-shaped counterweight (9) is fixedly mounted on the surface of the second connecting plate (15), an annular hole (17) which is connected to the inside of the first hollow ring (2), the second hollow ring (3) and the third hollow ring (4) is opened on the surface of each of the first hollow ring (2), the second hollow ring (3) and the third hollow ring (4), the three bayonet pins (16) are respectively located in the first annular groove (5), the second annular groove (6) and the third annular groove (7), and the bayonet pins (16) are adapted to the bayonet groove (8).

2. An arm muscle exerciser according to claim 1, characterized in that: The diameter of the first hollow ring (2) is smaller than the diameter of the second hollow ring (3), and the diameter of the second hollow ring (3) is smaller than the diameter of the third hollow ring (4); the first hollow ring (2) is located inside the second hollow ring (3), and the second hollow ring (3) is located inside the third hollow ring (4); a plurality of connecting rods (18) are fixedly installed between the first hollow ring (2) and the second hollow ring (3), and between the second hollow ring (3) and the third hollow ring (4).

3. The arm muscle exerciser according to claim 1, characterized in that: Three support rods (19) are fixedly mounted on the inner side of the first hollow circular ring (2); a connecting block (20) is fixedly mounted on one end of the support rod (19); a connecting shaft (21) is rotatably mounted on the surface of the connecting block (20); and the turntable (1) is fixedly mounted on one end of the connecting shaft (21).

4. The arm muscle exerciser according to claim 1, characterized in that: The bayonet (16) is located inside the annular hole (17), and the outer surface of the bayonet (16) is in sliding contact with the inner surface of the annular hole (17).

5. The arm muscle exerciser according to claim 1, characterized in that: The first connecting plate (13) and the second connecting plate (15) are both in sliding contact with the inner surface of the rectangular cavity (10).

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