A training grip device with counting function

Abstract

The present application relates to the technical field of body-building training equipment, in particular to a training grip device with counting function, which comprises a fixed grip handle, a movable grip handle, a reset elastic member and a counter, the movable grip handle is rotationally connected with the fixed grip handle, the reset elastic member is connected between the fixed grip handle and the movable grip handle, and the counter is arranged in the movable grip handle, further comprising: a displacement output assembly arranged in the movable grip handle and linked with the relative rotation of the fixed grip handle and the movable grip handle, for outputting a pulling displacement when the movable grip handle approaches the fixed grip handle. After such design, the initial closing displacement of the movable grip handle will not be directly transmitted to the counting pressing column, only after the trigger slider moves to the preset stroke, the counting trigger slide rod and the counting pressing column will drive the counter to trigger. The structure can filter the stroke of half-pressing or insufficient pressing, and reduce the situation that the counter is triggered in advance.

Description

Technical Field

[0001] This invention relates to the field of fitness training equipment technology, and in particular to a grip strength training device with a counting function. Background Technology

[0002] Grip strength training devices are training tools used to strengthen the muscles of the fingers, palms, and forearms. They are widely used in daily fitness, sports training, and hand rehabilitation. To help users track their training progress, existing grip strength training devices typically include a counting structure to record the number of grip repetitions.

[0003] For example, Chinese invention patent publication number CN108211204A discloses a countable grip strength ball and rehabilitation training device. The device has a pressure sensor, a counter and a controller installed inside the ball. The pressure sensor detects the user's grip strength and the controller records the number of training sessions to monitor the number and intensity of grip strength training.

[0004] However, the counting structure of existing mechanical grip strength training devices is usually directly triggered by the closed displacement of the movable handle. During use, when the user performs a half-grip, the movable handle rebounds slightly, or the transmission components experience instantaneous displacement due to slackness or vibration, the counter may be triggered prematurely or repeatedly, resulting in a discrepancy between the recorded number of training sessions and the actual effective gripping action completed, thus affecting the accuracy of the grip strength training session count. Summary of the Invention

[0005] To address the problems in the prior art, the present invention provides a grip strength training device with a counting function.

[0006] The technical solution adopted by this invention to solve its technical problem is: a training grip strength device with counting function, comprising a fixed grip, a movable grip, a reset elastic element, and a counter, wherein the movable grip is rotatably connected to the fixed grip, the reset elastic element is connected between the fixed grip and the movable grip, and the counter is disposed within the movable grip, and further comprising: A displacement output component is disposed within the movable grip and is linked to the relative rotation of the fixed grip and the movable grip, for outputting traction displacement when the movable grip moves closer to the fixed grip; A flexible traction component is disposed within the movable handle and includes a flexible traction member and a guide member. The flexible traction member passes around the guide member and its two ends are respectively connected to the displacement output component and the threshold counting trigger component. The threshold counting trigger component is disposed within the movable grip and includes a trigger slider, a counting trigger slide bar, a trigger threshold spring, a counting press post, and a reset spring. The trigger slider is connected to the flexible traction member, and the trigger slider and the counting trigger slide bar are movable relative to each other. The trigger threshold spring is disposed between the trigger slider and the counting trigger slide bar. The counting press post is connected to the counting trigger slide bar, and the reset spring is sleeved on the outside of the counting press post and is correspondingly disposed to the counting trigger end of the counter. When the movable grip moves closer to the fixed grip, the displacement output component drives the trigger slider to move relative to the counting trigger slider via the flexible traction component, and compresses the trigger threshold spring; when the trigger slider moves relative to the counting trigger slider to a preset stroke, the trigger slider drives the counting trigger slider to move, so that the counting press column triggers the counter to count.

[0007] Specifically, the displacement output component includes a transmission cam, a cam follower rod, and an oblique guide groove. The transmission cam is located at the rotatable connection between the fixed handle and the movable handle and is linked with the movable handle. The oblique guide groove is opened in the movable handle. One end of the cam follower rod is driven and engaged with the transmission cam, and the other end is slidably disposed in the oblique guide groove.

[0008] Specifically, the guide includes a first guide wheel rotatably disposed on the inner wall of the movable grip, and the flexible traction component is a flexible traction belt wrapped around the outside of the first guide wheel; one end of the flexible traction belt is connected to the cam follower rod, and the other end is connected to the traction transmission rod, which is connected to the trigger slider.

[0009] Specifically, the counting press post is fixedly connected to one end of the counting trigger slide rod; the traction transmission rod is fixedly connected to the trigger slider; the counting press post corresponds to the counting trigger end of the counter; one end of the reset spring is fixedly connected to the outer shell of the counter; and the other end of the reset spring is fixedly connected to the bottom end of the counting trigger slide rod.

[0010] Specifically, the threshold counting trigger component further includes a trigger force block, which is fixedly connected to the counting trigger slide bar, and the two ends of the trigger threshold spring abut against the trigger slider and the trigger force block, respectively.

[0011] Specifically, the threshold counting trigger component further includes a guide limit seat and a linear guide groove. The linear guide groove is formed inside the movable handle, and the counting trigger slide rod is slidably disposed in the linear guide groove. The guide limit seat is fixedly connected to the counting trigger slide rod, and the traction transmission rod is slidably disposed inside the guide limit seat.

[0012] Specifically, it also includes a traction stabilization component, which is disposed within the movable handle and includes a stabilizing transmission component and a pushing component. The stabilizing transmission component is tractively connected to the displacement output component, and the pushing component is tractively connected to the stabilizing transmission component and is correspondingly disposed to the flexible traction component.

[0013] Specifically, the stabilizing transmission component includes a linkage rod, an arc-shaped guide slider, a first rotating component, a second rotating component, two swing connecting rods, and an arc-shaped guide groove. The arc-shaped guide groove is formed inside the movable handle, and the arc-shaped guide slider is slidably disposed within the arc-shaped guide groove. The two ends of the linkage rod are respectively rotatably connected to the cam follower rod of the displacement output component and the arc-shaped guide slider. One end of the two swing connecting rods is hinged to the arc-shaped guide slider, and the other end is respectively hinged to the first rotating component and the second rotating component.

[0014] Specifically, the pushing component includes a guide post, an elastic pushing rod, and a pushing return spring. The guide post is fixedly disposed on the inner wall of the movable handle, the elastic pushing rod is slidably disposed along the guide post, and the pushing return spring is connected between the movable handle and the elastic pushing rod. The second rotating component is drivenly connected to the elastic pushing rod, and one end of the elastic pushing rod is in contact with the flexible traction component.

[0015] Specifically, the concave side of the arc-shaped guide groove is positioned towards the flexible traction member. When the displacement output component is activated, the arc-shaped guide slider is driven to move towards the flexible traction member along the arc-shaped guide groove via the linkage rod, and the elastic push rod is driven to move towards the flexible traction member via the second rotating member. When the movable handle is reset, the push reset spring drives the elastic push rod away from the flexible traction member.

[0016] The beneficial effects of this invention are: 1. By moving the movable grip closer to the fixed grip, the displacement output component generates a traction displacement. The displacement output component then drives the trigger slider to move via the flexible traction component. In the initial stage of movement, the trigger slider moves relative to the counting trigger slider and compresses the trigger threshold spring. With this design, the initial closing displacement of the movable grip is not directly transmitted to the counting press column. Only after the trigger slider moves to the preset stroke will it drive the counting trigger slider and the counting press column to trigger the counter. This solves the problem of directly triggering the counter when the movable grip closes. This structure can filter strokes for half-stroke or insufficient gripping movements, reducing the possibility of the counter being prematurely triggered.

[0017] 2. The transmission cam rotates with the movable handle, driving the cam follower rod to move along the inclined guide groove. Then, a flexible traction belt reverses direction around the first guide wheel, pulling the traction transmission rod and the trigger slider. This design converts the rotational motion of the movable handle into the traction movement of the trigger slider, creating a continuous mechanical transmission path between the handle action, the traction action, and the counting trigger action. This structure solves the problem of directly using the handle's closing displacement to trigger the counter, providing a transferable and controllable input displacement for subsequent preset stroke screening.

[0018] 3. The traction drive rod moves the trigger slider, which first compresses the trigger threshold spring. Once the trigger slider reaches the preset stroke, it then drives the counting trigger slide rod via the trigger force block. The counting trigger slide rod then drives the counting press column to act on the counter. This design divides the input displacement of the traction drive rod into a spring compression stage and a counting trigger stage, preventing the counting press column from immediately actuating when the traction drive rod begins to move. This solution addresses the structural issue of a single counting trigger condition that is easily affected by small closed-loop displacements, ensuring that the counting action is based on reaching the preset relative stroke.

[0019] 4. By sliding the counting trigger slide rod within the linear guide groove and allowing the traction transmission rod to slide through the guide limit seat, the counting trigger slide rod and the traction transmission rod are guided respectively. With this design, the counting trigger slide rod can move in a predetermined direction toward the counter's counting trigger end, and the traction transmission rod and the counting trigger slide rod can maintain a predetermined relative movement relationship. This solves the problem of unstable trigger position caused by force deviation of the transmission components. This structure helps maintain the force transmission coordination between the trigger slider, trigger threshold spring, trigger force transmission block, and counting trigger slide rod.

[0020] 5. The cam follower rod drives the linkage rod, which in turn drives the arc-shaped guide slider to move along the arc-shaped guide groove. The arc-shaped guide slider drives the first and second rotating parts in linkage via two swing connecting rods. The second rotating part further drives the elastic push rod to move towards the flexible traction component. With this design, the elastic push rod can apply lateral pressure to the flexible traction component during the gripping stage, so that the flexible traction component forms a relatively tensioned transmission state. This solves the problem that the counter may be repeatedly triggered due to the slack, vibration or slight rebound of the transmission component. This structure can reduce the free slack space of the flexible traction component and reduce the possibility of abnormal displacement affecting the counting trigger.

[0021] 6. The elastic push rod is guided by a guide post, and the movable handle and the elastic push rod are connected by a push return spring. This allows the elastic push rod to move towards the flexible traction component during the gripping phase and away from the flexible traction component during the movable handle's reset phase. With this design, the flexible traction component is subjected to lateral pressure during the counting transmission phase, and the pressure is released during the reset phase, returning to its initial position with the traction transmission rod. This solves the problem of unstable triggering of subsequent actions due to untimely return of the transmission component or residual tension, and helps the flexible traction component return to its initial transmission state after each gripping. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Figure 1 This is a perspective view of the present invention; Figure 2 This is a schematic diagram of the movable handle structure of the present invention; Figure 3 This is a schematic diagram of the counter structure of the present invention; Figure 4 This is a schematic diagram of the arc-shaped guide groove structure of the present invention; Figure 5 This is a schematic diagram of the trigger slider of the present invention; Figure 6 This is a schematic diagram of the counting trigger slider of the present invention.

[0024] In the diagram: 10, fixed grip; 20, movable grip; 30, reset elastic element; 40, counter; 50. Displacement output assembly; 51. Transmission cam; 52. Cam follower rod; 53. Angled guide groove; 60. Flexible traction assembly; 61. Flexible traction component; 62. Guide component; 621. First guide wheel; 63. Traction transmission rod; 70. Threshold counting trigger component; 71. Trigger slider; 72. Counting trigger slide bar; 73. Trigger threshold spring; 74. Counting pressing post; 741. Reset spring; 75. Trigger force transmission block; 76. Guide limit seat; 77. Linear guide groove; 80. Traction stabilization assembly; 81. Stabilizing transmission component; 811. Linkage rod; 813. First rotating component; 812. Arc-shaped guide slider; 814. Second rotating component; 815. Swing connecting rod; 816. Arc-shaped guide groove; 82. Pushing component; 821. Guide column; 822. Elastic push rod; 823. Pushing return spring. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings. The basic structure and connection relationship of the fixed handle 10, the movable handle 20, the reset elastic element 30 and the counter 40 in the following embodiments are the same. Subsequent embodiments will gradually add corresponding preferred structures based on the foregoing.

[0026] Example 1: As Figures 1 to 6 As shown, this embodiment provides a training grip strength device with a counting function, including a fixed grip 10, a movable grip 20, a reset elastic element 30, a counter 40, a displacement output component 50, a flexible traction component 60, and a threshold counting trigger component 70.

[0027] Both the fixed grip 10 and the movable grip 20 are for the user to hold. The movable grip 20 is rotatably connected to the fixed grip 10, allowing the movable grip 20 to move closer to or further away from the fixed grip 10. A reset elastic element 30 is connected between the fixed grip 10 and the movable grip 20, used to reset the movable grip 20 after the user releases it. A counter 40 is located inside the lower side of the movable grip 20, with its counting trigger end facing the threshold counting trigger component 70.

[0028] The displacement output component 50 is located inside the movable handle 20 near the rotatable connection between the fixed handle 10 and the movable handle 20, and is linked to the relative rotation between the two handles. When the user grips the fixed handle 10 and the movable handle 20, the movable handle 20 moves closer to the fixed handle 10, and the displacement output component 50 generates a traction displacement accordingly.

[0029] A flexible traction assembly 60 is disposed within the movable handle 20, located between the displacement output assembly 50 and the threshold counting trigger assembly 70. The flexible traction assembly 60 includes a flexible traction member 61 and a guide member 62. The flexible traction member 61 is arranged around the guide member 62, with one end connected to the displacement output assembly 50 and the other end connected to the threshold counting trigger assembly 70. The guide member 62 is used to change the force transmission direction of the flexible traction member 61, enabling the traction displacement generated by the displacement output assembly 50 to be transmitted to the threshold counting trigger assembly 70 located on the lower side of the movable handle 20.

[0030] A threshold counting trigger assembly 70 is disposed inside the movable grip 20 and adjacent to the counter 40. The threshold counting trigger assembly 70 includes a trigger slider 71, a counting trigger slide bar 72, a trigger threshold spring 73, and a counting press post 74. The trigger slider 71 is connected to the flexible traction member 61, the counting trigger slide bar 72 is connected to the counting press post 74, and the counting press post 74 is positioned corresponding to the counting trigger end of the counter 40. The trigger slider 71 and the counting trigger slide bar 72 are movable relative to each other, and the trigger threshold spring 73 is disposed between the trigger slider 71 and the counting trigger slide bar 72.

[0031] In use, the movable handle 20 moves closer to the fixed handle 10, and the displacement output component 50 drives the trigger slider 71 to move via the flexible traction component 60. In the initial stage of movement, the trigger slider 71 moves relative to the counting trigger slider 72 and compresses the trigger threshold spring 73; during this process, the counting trigger slider 72 does not undergo effective displacement to trigger the counter 40.

[0032] When the trigger slider 71 moves to the preset stroke relative to the counting trigger slider 72, the trigger slider 71 drives the counting trigger slider 72 to move, and the counting trigger slider 72 further drives the counting pressing column 74 to act on the counting trigger end of the counter 40, so that the counter 40 completes one count.

[0033] Therefore, when the movable grip 20 is not pressed to the preset stroke, the trigger slider 71 only compresses the trigger threshold spring 73, and does not directly trigger the counter 40 with the counting press post 74; only after the corresponding grip stroke is reached is a valid count formed. After the user releases the movable grip 20, the reset elastic element 30 drives the movable grip 20 back to its original position, and the displacement output component 50, the flexible traction component 60 and the threshold counting trigger component 70 return to their initial state to prepare for the next grip action.

[0034] Example 2: As a further improvement of the present invention, this example further defines the displacement output component 50 and the flexible traction component 60 based on Example 1.

[0035] The displacement output assembly 50 includes a transmission cam 51, a cam follower rod 52, and an oblique guide groove 53. The transmission cam 51 is located at the rotatable connection between the fixed handle 10 and the movable handle 20, and is linked with the movable handle 20. The oblique guide groove 53 is formed at the position where the cam follower rod 52 is located inside the movable handle 20. One end of the cam follower rod 52 is in transmission engagement with the transmission cam 51, and the other end is slidably disposed in the oblique guide groove 53.

[0036] When the movable handle 20 approaches the fixed handle 10, the transmission cam 51 rotates with the movable handle 20, and the transmission cam 51 drives the cam follower rod 52 to move along the inclined guide groove 53. Through the cooperation of the transmission cam 51 and the inclined guide groove 53, the rotational motion between the handles can be converted into the guided movement of the cam follower rod 52, providing traction displacement for subsequent flexible traction transmission.

[0037] Furthermore, the guide member 62 includes a first guide wheel 621, which is rotatably mounted on the inner wall of the movable handle 20. The flexible traction member 61 is a flexible traction belt, which is wrapped around the outside of the first guide wheel 621. One end of the flexible traction belt is connected to the cam follower rod 52, and the other end is connected to the traction transmission rod 63, which is connected to the trigger slider 71.

[0038] When the cam follower 52 moves, it drives the flexible traction belt to move around the first guide wheel 621. The first guide wheel 621 converts the displacement of the cam follower 52 into a traction force on the traction transmission rod 63. The traction transmission rod 63 then drives the trigger slider 71 to move. Thus, a continuous transmission path is formed between the grip rotation, cam drive, flexible traction, and threshold triggering.

[0039] Example 3: Further, based on Example 2, this example further defines the threshold counting trigger component 70.

[0040] The counting press column 74 is fixedly connected to one end of the counting trigger slide bar 72; the traction transmission rod 63 is fixedly connected to the trigger slider 71, and the counting press column 74 corresponds to the counting trigger end of the counter 40.

[0041] As another improvement of the present invention, the threshold counting trigger assembly 70 further includes a trigger force transmission block 75. The trigger force transmission block 75 is fixedly connected to the counting trigger slide bar 72, and the trigger threshold spring 73 is a trigger threshold spring 73 sleeved on the outside of the traction transmission rod 63, with both ends of the trigger threshold spring 73 abutting against the trigger slider 71 and the trigger force transmission block 75 respectively.

[0042] When the traction drive rod 63 is pulled by the flexible traction belt, it first drives the trigger slider 71 to move. When the trigger slider 71 moves, it applies a compression force to the trigger threshold spring 73. The other end of the trigger threshold spring 73 corresponds to the counting trigger slide rod 72 through the trigger force transmission block 75. When the trigger slider 71 moves within the preset relative stroke, it is mainly used to compress the trigger threshold spring 73. When the trigger slider 71 moves to the preset stroke, the trigger slider 71 drives the counting trigger slide rod 72 to move through the trigger threshold spring 73 and the trigger force transmission block 75, so that the counting press column 74 triggers the counter 40.

[0043] In the initial state, the reset resistance provided by the press-down reset spring 741 to the counting trigger slide 72 is greater than the initial elastic force of the trigger threshold spring 73, allowing the trigger slider 71 to move relative to the counting trigger slide 72 in the initial pressing stage and compress the trigger threshold spring 73. As the compression of the trigger threshold spring 73 increases, its elastic force gradually increases. When the elastic force of the trigger threshold spring 73 is greater than the resistance formed by the press-down reset spring 741, the counting trigger end of the counter 40, and the sliding structure, the trigger threshold spring 73 drives the counting trigger slide 72 to move through the trigger force transmission block 75, causing the counting press column 74 to trigger the counter 40.

[0044] Furthermore, the threshold counting trigger assembly 70 also includes a guide limit seat 76 and a linear guide groove 77. The linear guide groove 77 is formed inside the movable handle 20, and the counting trigger slide rod 72 is slidably disposed within the linear guide groove 77. The guide limit seat 76 is fixedly connected to the counting trigger slide rod 72, and the traction transmission rod 63 is slidably disposed within the guide limit seat 76.

[0045] The linear guide groove 77 is used to limit the movement direction of the counting trigger slide bar 72, so that the counting press bar 74 can move stably toward the counting trigger end of the counter 40. The guide limit seat 76 is used to guide the traction transmission rod 63 and maintain a preset relative movement relationship between the traction transmission rod 63 and the counting trigger slide bar 72, so as to avoid significant deviation of the traction transmission rod 63 during operation.

[0046] Example 4: As a further improvement of the present invention, this example adds a traction stabilization component 80 based on Examples 1 to 3 to reduce the possibility of the flexible traction component 61 becoming loose, vibrating or momentarily rebounding during transmission.

[0047] The traction stabilization assembly 80 is disposed inside the movable handle 20 and includes a stabilizing transmission component 81 and a pushing component 82. The stabilizing transmission component 81 is drivenly connected to the displacement output assembly 50, and the pushing component 82 is drivenly connected to the stabilizing transmission component 81 and is correspondingly disposed with respect to the flexible traction component 61.

[0048] When the displacement output component 50 is activated, in addition to driving the threshold counting trigger component 70 to activate via the flexible traction component 60, it also simultaneously drives the stabilizing transmission component 81 to activate, causing the pushing component 82 to move towards the flexible traction component 61 and apply lateral pressure to the flexible traction component 61. In this way, the flexible traction component 61 can maintain a relatively stable transmission state during the traction process.

[0049] Furthermore, the stabilizing transmission component 81 includes a linkage rod 811, an arc-shaped guide slider 812, a first rotating component 813, a second rotating component 814, two swing connecting rods 815, and an arc-shaped guide groove 816. The arc-shaped guide groove 816 is formed inside the movable handle 20, and the arc-shaped guide slider 812 is slidably disposed within the arc-shaped guide groove 816. The two ends of the linkage rod 811 are rotatably connected to the cam follower rod 52 and the arc-shaped guide slider 812, respectively. One end of each of the two swing connecting rods 815 is rotatably connected to the first rotating component 813 and the second rotating component 814, respectively, and the other end of each is rotatably connected to the arc-shaped guide slider 812.

[0050] When the displacement output component 50 is activated, its cam follower rod 52 pulls the arc-shaped guide slider 812 along the arc-shaped guide groove 816 via the linkage rod 811. After the arc-shaped guide slider 812 moves, it drives the first rotating component 813 and the second rotating component 814 to move together via the two swing connecting rods 815, so that the second rotating component 814 can transmit the action to the pusher 82.

[0051] Example 5: Further, based on Example 4, this example further defines the pusher 82 and its reset structure.

[0052] The pushing component 82 includes a guide post 821, an elastic pushing rod 822, and a pushing return spring 823. The guide post 821 is fixedly disposed on the inner wall of the movable handle 20, the elastic pushing rod 822 is slidably disposed along the guide post 821, and the pushing return spring 823 is connected between the movable handle 20 and the elastic pushing rod 822. The second rotating component 814 is rotatably connected to the elastic pushing rod 822, and one end of the elastic pushing rod 822 is in contact with the flexible traction component 61.

[0053] The concave side of the arc-shaped guide groove 816 faces the flexible traction member 61. When the cam follower rod 52 moves with the movable grip 20, it drives the arc-shaped guide slider 812 to move along the arc-shaped guide groove 816 toward the flexible traction member 61 via the linkage rod 811. The arc-shaped guide slider 812 further drives the elastic push rod 822 toward the flexible traction member 61 via the swing connecting rod 815 and the second rotating member 814.

[0054] After the elastic push rod 822 contacts the flexible traction member 61, it exerts lateral pressure on the flexible traction member 61, causing the flexible traction member 61 to reach a relatively stable tension state. When the movable handle 20 resets, the push return spring 823 drives the elastic push rod 822 away from the flexible traction member 61, allowing the flexible traction member 61 to smoothly return to its original position along with the displacement output component 50 and the traction transmission rod 63.

[0055] Working principle: In the initial state, the movable handle 20 is moved away from the fixed handle 10 under the action of the reset elastic member 30, the flexible traction member 61, the trigger slider 71 and the counting trigger slider 72 are all in the initial position, and the counting pressing column 74 does not effectively press the counting trigger end of the counter 40; When the user grips the fixed handle 10 and the movable handle 20, the movable handle 20 rotates relative to the fixed handle 10, and the transmission cam 51 rotates accordingly, driving the cam follower rod 52 to move along the inclined guide groove 53. After the cam follower rod 52 moves, it pulls the flexible traction member 61 that is wrapped around the outside of the first guide wheel 621. The first guide wheel 621 converts the movement direction of the cam follower rod 52 into a traction action on the traction transmission rod 63, and the traction transmission rod 63 then drives the trigger slider 71. In the initial stage of pressing, the trigger slider 71 moves relative to the counting trigger slider 72 and compresses the trigger threshold spring 73 located between the trigger slider 71 and the trigger force block 75. At this time, the trigger threshold spring 73 mainly undergoes compression deformation, while the return spring 741 at the bottom of the counting trigger slider 72 has a certain resistance. This makes the counting trigger slider 72 not produce an effective displacement sufficient to make the counting press column 74 press the counter 40. Therefore, when the user only performs a slight press or a half-press, the counter 40 will not be triggered. As the movable handle 20 continues to move closer to the fixed handle 10, the flexible traction member 61 continues to pull the traction transmission rod 63, and the compression of the trigger slider 71 on the trigger threshold spring 73 gradually increases. When the trigger slider 71 reaches the preset relative movement stroke, or when the elasticity of the trigger threshold spring 73 is sufficient to overcome the resistance of the counting trigger slide 72 and the trigger end of the counter 40, the trigger slider 71 drives the counting trigger slide 72 to move through the trigger threshold spring 73 and the trigger transmission block 75. The counting trigger slide 72 drives the counting pressing column 74 to move toward the counter 40 and press the counting trigger end of the counter 40, thereby completing one count. During the pressing process, the cam follower rod 52 also synchronously drives the linkage rod 811 to move. The linkage rod 811 pulls the arc-shaped guide slider 812 to move along the arc-shaped guide groove 816 towards the flexible traction member 61. The arc-shaped guide slider 812 then drives the elastic push rod 822 to move towards the flexible traction member 61 via the swing connecting rod 815 and the second rotating member 814. The elastic push rod 822 applies lateral pressure to the flexible traction member 61, so that the flexible traction member 61 remains relatively taut during the traction stage, reducing the possibility of abnormal displacement due to slack, vibration or local rebound. When the user releases the movable grip 20, the reset elastic element 30 drives the movable grip 20 to reset, and the transmission cam 51, cam follower rod 52, flexible traction element 61, and traction transmission rod 63 return to their initial state. The traction effect of the flexible traction belt on the traction transmission rod 63 decreases or disappears, and the trigger threshold spring 73 pushes the trigger slider 71 and related transmission structures back. At the same time, the press reset spring 741, which is in a compressed state, releases its elastic potential energy, pushing the counting press column 74 away from the counter 40, causing the counting press column 74 to separate from the trigger part of the counter 40 and return to its initial position. Simultaneously, the push reset spring 823 drives the elastic push rod 822 away from the flexible traction element 61, releasing the lateral pressure, allowing the flexible traction element 61 to return smoothly to its original position, preparing for the next effective grip count.

[0056] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A training grip strength device with a counting function, comprising a fixed grip (10), a movable grip (20), a reset elastic element (30), and a counter (40), wherein the movable grip (20) is rotatably connected to the fixed grip (10), the reset elastic element (30) is connected between the fixed grip (10) and the movable grip (20), and the counter (40) is disposed within the movable grip (20), characterized in that, Also includes: The displacement output component (50) is disposed in the movable handle (20) and is linked to the relative rotation of the fixed handle (10) and the movable handle (20) to output traction displacement when the movable handle (20) moves closer to the fixed handle (10); The flexible traction component (60) is disposed in the movable handle (20) and includes a flexible traction member (61) and a guide member (62). The flexible traction member (61) passes around the guide member (62) and its two ends are respectively connected to the displacement output component (50) and the threshold counting trigger component (70). The threshold counting trigger assembly (70) is disposed within the movable handle (20) and includes a trigger slider (71), a counting trigger slide bar (72), a trigger threshold spring (73), a counting press post (74), and a reset spring (741). The trigger slider (71) is connected to the flexible traction member (61), and the trigger slider (71) and the counting trigger slide bar (72) are movable relative to each other. The trigger threshold spring (73) is disposed between the trigger slider (71) and the counting trigger slide bar (72). The counting press post (74) is connected to the counting trigger slide bar (72), and the reset spring (741) is sleeved on the outside of the counting press post (74) and is correspondingly disposed to the counting trigger end of the counter (40). When the movable grip (20) moves closer to the fixed grip (10), the displacement output component (50) drives the trigger slider (71) to move relative to the counting trigger slider (72) via the flexible traction component (60), and compresses the trigger threshold spring (73); when the trigger slider (71) moves relative to the counting trigger slider (72) to a preset stroke, the trigger slider (71) drives the counting trigger slider (72) to move, so that the counting press column (74) triggers the counter (40) to count.

2. The grip strength training device with counting function according to claim 1, characterized in that: The displacement output component (50) includes a transmission cam (51), a cam follower rod (52), and an oblique guide groove (53). The transmission cam (51) is located at the rotational connection between the fixed handle (10) and the movable handle (20) and is linked with the movable handle (20). The oblique guide groove (53) is opened in the movable handle (20). One end of the cam follower rod (52) is driven and engaged with the transmission cam (51), and the other end is slidably disposed in the oblique guide groove (53).

3. The grip strength training device with counting function according to claim 2, characterized in that: The guide member (62) includes a first guide wheel (621) rotatably disposed on the inner wall of the movable handle (20), and the flexible traction member (61) is a flexible traction belt wrapped around the outside of the first guide wheel (621); one end of the flexible traction belt is connected to the cam follower rod (52), and the other end is connected to the traction transmission rod (63), and the traction transmission rod (63) is connected to the trigger slider (71).

4. The grip strength training device with counting function according to claim 3, characterized in that: The counting press column (74) is fixedly connected to one end of the counting trigger slide (72); the traction transmission rod (63) is fixedly connected to the trigger slider (71); the counting press column (74) corresponds to the counting trigger end of the counter (40); one end of the reset spring (741) is fixedly connected to the outer shell of the counter (40); and the other end of the reset spring (741) is fixedly connected to the bottom end of the counting trigger slide (72).

5. The grip strength training device with counting function according to claim 4, characterized in that: The threshold counting trigger component (70) further includes a trigger force block (75), which is fixedly connected to the counting trigger slide (72). The two ends of the trigger threshold spring (73) abut against the trigger slider (71) and the trigger force block (75) respectively.

6. The grip strength training device with counting function according to claim 5, characterized in that: The threshold counting trigger component (70) further includes a guide limit seat (76) and a linear guide groove (77). The linear guide groove (77) is opened in the movable handle (20), and the counting trigger slide rod (72) is slidably disposed in the linear guide groove (77). The guide limit seat (76) is fixedly connected to the counting trigger slide rod (72), and the traction transmission rod (63) is slidably disposed in the guide limit seat (76).

7. The grip strength training device with counting function according to claim 1, characterized in that: It also includes a traction stabilization component (80), which is disposed within the movable handle (20) and includes a stabilizing transmission component (81) and a pushing component (82). The stabilizing transmission component (81) is throttle-connected to the displacement output component (50), and the pushing component (82) is throttle-connected to the stabilizing transmission component (81) and is disposed correspondingly to the flexible traction component (61).

8. The grip strength training device with counting function according to claim 7, characterized in that: The stabilizing transmission component (81) includes a linkage rod (811), an arc-shaped guide slider (812), a first rotating component (813), a second rotating component (814), two swing connecting rods (815), and an arc-shaped guide groove (816). The arc-shaped guide groove (816) is opened in the movable handle (20), and the arc-shaped guide slider (812) is slidably disposed in the arc-shaped guide groove (816). The two ends of the linkage rod (811) are rotatably connected to the cam follower rod (52) of the displacement output component (50) and the arc-shaped guide slider (812), respectively. One end of the two swing connecting rods (815) is hinged to the arc-shaped guide slider (812), and the other end is hinged to the first rotating component (813) and the second rotating component (814), respectively.

9. The grip strength training device with counting function according to claim 8, characterized in that: The pusher (82) includes a guide post (821), an elastic push rod (822), and a push return spring (823). The guide post (821) is fixedly disposed on the inner wall of the movable handle (20). The elastic push rod (822) is slidably disposed along the guide post (821). The push return spring (823) is connected between the movable handle (20) and the elastic push rod (822). The second rotating member (814) is connected to the elastic push rod (822) in a transmission manner. One end of the elastic push rod (822) is in contact with the flexible traction member (61).

10. The grip strength training device with counting function according to claim 9, characterized in that: The concave side of the arc-shaped guide groove (816) is set towards the flexible traction member (61). When the displacement output component (50) is activated, the arc-shaped guide slider (812) is driven to move along the arc-shaped guide groove (816) towards the flexible traction member (61) via the linkage link (811), and the elastic push rod (822) is driven to move towards the flexible traction member (61) via the second rotating member (814). When the movable handle (20) is reset, the push reset spring (823) drives the elastic push rod (822) away from the flexible traction member (61).

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