Bidirectional counting handle and skipping rope

Abstract

The present invention relates to a two-way counting handle and a skipping rope. The two-way counting handle includes a housing, a rotating head disposed on the housing, a transmission assembly and a counter disposed in the housing. The transmission assembly includes a rotating shaft, a clutch ring, a first gear, a second gear and a direction-changing gear. One end of the rotating shaft passes through the first gear and is in transmission connection with the rotating head, and the other end of the rotating shaft is inserted on the second gear. The clutch ring is disposed on the rotating shaft. When the rotating shaft rotates, it can push the clutch ring to shift left and right and drive the clutch ring to rotate. The first gear and the second gear are respectively disposed on the left and right sides of the clutch ring and are both meshed with the direction-changing gear. When the rotating shaft rotates forward, it can push the clutch ring to shift right and be in transmission connection with the second gear. When the rotating shaft rotates reversely, it can push the clutch ring to shift left and be in transmission connection with the first gear. The second gear is in transmission connection with the counter. The two-way counting handle of the present invention, when applied to a skipping rope, can achieve two-way counting, with small resistance and low noise.

Description

Technical Field

[0001] The present invention relates to the technical field of skipping ropes, and more precisely, to a two-way counting handle and a skipping rope. Background Art

[0002] In the prior art, a skipping rope that counts mechanically usually has a counting handle and a common handle. The counting range is 000 - 999. When in use, the hand holding the counting handle is determined. It must be the left hand or the right hand to ensure that the counting handle counts forward in sequence when skipping. If the left and right handles are held in the reverse way, the counting handle will count backward when skipping, and the skipping count information of the user cannot be successfully recorded. To solve the problem of one-way counting, the applicant has filed a Chinese patent with the application number CN202021395002.2, which relies on a direction-changing gear set and a two-way ratchet to achieve the function of two-way counting. However, the two-way ratchet will make a clicking noise when working, and the presence of the two-way ratchet will increase the resistance when skipping, reduce the smoothness of skipping, and result in a poor user experience. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a two-way counting handle for use in a skipping rope, which can achieve the function of two-way counting when skipping, without the resistance caused by the two-way ratchet and without generating extra noise.

[0004] The technical solution of the present invention is to provide a two-way counting handle, including a housing, a rotating head arranged on the housing, a transmission assembly and a counter arranged in the housing. The transmission assembly includes a rotating shaft, a clutch ring, a first gear, a second gear and a direction-changing gear. One end of the rotating shaft passes through the first gear and is in transmission connection with the rotating head. The other end of the rotating shaft is inserted into the second gear. The clutch ring is arranged on the rotating shaft. When the rotating shaft rotates, it can push the clutch ring to shift left and right and drive the clutch ring to rotate. The first gear and the second gear are respectively arranged on the left and right sides of the clutch ring and are both meshed with the direction-changing gear. When the rotating shaft rotates forward, it can push the clutch ring to shift right and be in transmission connection with the second gear. When the rotating shaft rotates backward, it can push the clutch ring to shift left and be in transmission connection with the first gear. The second gear is in transmission connection with the counter.

[0005] Compared with the prior art, the two-way counting handle of the present invention has the following advantages: the rotating shaft rotates driven by the rotating head, and the counter counts driven by the transmission of the second gear. When the rotating shaft rotates forward, it pushes the clutch ring to move rightward and is in transmission connection with the second gear. The clutch ring drives the second gear to rotate forward, and the counter counts forward due to the forward rotation of the second gear. When the rotating shaft rotates reversely, it pushes the clutch ring to move leftward and is in transmission connection with the first gear. The clutch ring drives the first gear to rotate reversely. Since both the first gear and the second gear are engaged with the direction-changing gear, the first gear transmits power to the second gear through the direction-changing gear, causing the second gear to rotate forward, and the counter counts forward. Whether the rotating head rotates forward or reversely, the two-way counting handle of the present invention can count forward, realizing the function of two-way counting. By transmitting power from the clutch ring to the first gear or the second gear, there will be no resistance feeling brought by the two-way ratchet, nor will there be any extra noise.

[0006] Preferably, a chute with both ends closed is provided on the circumferential surface of the clutch ring. The left end of the chute faces the first gear, and the right end of the chute faces the second gear. A convex column is provided on the circumferential surface of the rotating shaft. The convex column is inserted into the chute and can slide along the chute to push the clutch ring to move left and right. When the rotating shaft rotates forward, the convex column can push the clutch ring to move rightward and be in transmission connection with the second gear. When the rotating shaft rotates reversely, the convex column can push the clutch ring to move leftward and be in transmission connection with the first gear. With this structure, when the convex column slides along the chute, it can push the clutch ring to move left and right. When the convex column is limited by the closed end of the chute, it can drive the clutch ring to rotate synchronously with the rotating shaft, and the structure is simple.

[0007] Preferably, two chutes are provided on the circumferential surface of the clutch ring. The left end of one chute is closed and faces the first gear, and the right end of the other chute is closed and faces the second gear. Two convex columns are provided on the circumferential surface of the rotating shaft. One convex column is inserted into the chute with the left end closed and can slide along the chute until it is limited by the closed left end of the chute, and the other convex column is inserted into the chute with the right end closed and can slide along the chute until it is limited by the closed right end of the chute. When the rotating shaft rotates forward, the convex column can push the clutch ring to move rightward and be in transmission connection with the second gear. When the rotating shaft rotates reversely, the convex column can push the clutch ring to move leftward and be in transmission connection with the first gear. With this structure, when the rotating shaft rotates forward, the convex column inserted into the chute with the left end closed slides along the chute to the closed end and is limited, and it can drive the clutch ring to rotate synchronously forward with the rotating shaft. When the rotating shaft rotates reversely, the convex column inserted into the chute with the right end closed slides along the chute to the closed end, and it can drive the clutch ring to rotate synchronously reversely with the rotating shaft, and the structure is simple.

[0008] Preferably, the first gear is provided with a first direction-changing meshing tooth and a first transmission tooth. The first direction-changing meshing tooth is engaged with the direction-changing gear. A transmission tooth surface is provided on the left side of the clutch ring. When the clutch ring moves leftward, the transmission tooth surface on the left side of the clutch ring can be engaged with the first transmission tooth for transmission. With this structure, the clutch ring can be engaged with the first gear for transmission, with stable transmission and low noise.

[0009] Preferably, the second gear is provided with a second direction-changing meshing tooth and a second transmission tooth, the second direction-changing meshing tooth meshes with the direction-changing gear, a transmission tooth surface is provided on the right side of the clutch ring, and the rightward movement of the clutch ring can make the transmission tooth surface on the right side of the clutch ring mesh with the second transmission tooth. With this structure, the clutch ring can mesh with the second gear, and the transmission is stable and the noise is small.

[0010] Preferably, the counter is provided with a rotating disk opposite to the second gear, the rotating disk is provided with a transmission surface, the second gear is provided with a limiting piece, the limiting piece is connected with the transmission surface and transmits the transmission surface. With this structure, the second gear transmits the counter through the limiting piece and the transmission surface, and the structure is simple.

[0011] Preferably, a limiting groove is provided on the rotating head, and the end of the rotating shaft opposite to the rotating head is inserted into the limiting groove and limited by the limiting groove, and the limiting groove transmits the rotating shaft. With this structure, the rotating head can stably transmit torque to the rotating shaft, and the structure is simple.

[0012] Preferably, a plurality of limiting ribs are arranged inside the housing, and the limiting ribs are used to axially limit the rotating head, the first gear, the second gear and the counter. With this structure, the transmission connection between the rotating head, the rotating shaft, the first gear, the second gear and the counter is stable and reliable.

[0013] Another technical problem to be solved by the present invention is to provide a bidirectional counting skipping rope, which can realize the bidirectional counting function when skipping without the resistance caused by the bidirectional ratchet and without emitting unnecessary noise.

[0014] The technical solution of the present invention is to provide a two-way counting skipping rope, comprising a rope and the two-way counting handle as described above, a rope threading hole for connecting the rope is arranged on the rotating head, and the swinging of the rope can drive the rotating head to rotate.

[0015] Compared with the prior art, the bidirectional counting skipping rope of the present invention has the following advantages: the swinging of the rope drives the rotating head to rotate, the rotating shaft is driven to rotate by the rotating head, and the counter is counted by the transmission of the second gear. When the rotating shaft rotates in the forward direction, the clutch ring is pushed to move right and connected to the second gear for transmission, and the second gear is driven by the clutch ring to rotate forward, so that the counter counts forward due to the forward rotation of the second gear; when the rotating shaft rotates in the reverse direction, the clutch ring is pushed to move left and connected to the first gear for transmission, and the first gear is driven by the clutch ring to rotate in the reverse direction. Since the first gear and the second gear are both engaged with the changing gear, the first gear is transmitted to the second gear through the changing gear, so that the second gear rotates forward, and the counter counts forward; no matter whether the rotating head rotates forward or reversely, the bidirectional counting handle of the present invention can count forward and realize the function of bidirectional counting. It is transmitted to the first gear or the second gear through the clutch ring, and there will be no resistance caused by the bidirectional ratchet and no unnecessary noise will be emitted. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the internal structure of the two-way counting handle of the present invention.

[0017] Figure 2 This is an exploded view of the two-way counting handle of the present invention.

[0018] Figure 3 is Figure 1 a cross-sectional view of.

[0019] Figure 4 This is an enlarged view of the transmission assembly of the two-way counting handle of the present invention.

[0020] As shown in the figure: 1. Upper cover, 1-1. Visual number window, 2. Lower cover, 3. Rotating head, 3-1. Limit groove, 3-2. Rope passing hole, 4. First gear, 4-1. First reverse meshing tooth, 4-2. First transmission tooth, 5. Second gear, 5-1. Second reverse meshing tooth, 5-2. Second transmission tooth, 5-3. Limit piece, 6. Reverse gear, 7. Rotating shaft, 7-1. Limit surface, 7-2. Clutch ring socket part, 7-3. Convex column, 8. Clutch ring, 8-1. Transmission tooth surface, 8-2. Slide groove, 9. Counter, 9-1. Turntable, 9-2. Transmission surface. Detailed implementation mode

[0021] To better understand the present application, more detailed descriptions of various aspects of the present application will be made with reference to the accompanying drawings. It should be understood that these detailed descriptions are only descriptions of the exemplary embodiments of the present application and do not limit the scope of the present application in any way. Throughout the specification, the same reference numerals refer to the same elements.

[0022] In the accompanying drawings, for the sake of clarity, the thickness, dimensions and shapes of the objects have been slightly exaggerated. The drawings are only examples and are not drawn to strict scale.

[0023] It should also be understood that the terms "comprising", "having", "including", "containing" when used in this specification mean the presence of the stated features, wholes, steps, operations, elements and / or components, but do not preclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or combinations thereof. Further, when an expression such as "... at least one" appears after a list of listed features, it modifies the entire list of listed features rather than modifying the individual elements in the list.

[0024] Embodiment 1:

[0025] Such as Figures 1 to 4As shown in the figure, the bidirectional counting handle of the present invention includes a housing, which is formed by snap - docking an upper cover 1 and a lower cover 2. A rotating head 3 is provided at the front end of the housing. A transmission assembly and a counter 9 are provided inside the housing. The transmission assembly includes a rotating shaft 7, a clutch ring 8, a first gear 4, a second gear 5 and a direction - changing gear 6. A number of limiting ribs are provided on the inner side of the housing, and the limiting ribs are used for axially limiting the rotating head 3, the first gear 4, the second gear 5 and the counter 9. A limiting groove 3 - 1 is provided on the rotating head 3. One end of the rotating shaft 7 opposite to the rotating head 3 passes through the first gear 4 and is inserted into the limiting groove 3 - 1. A limiting surface 7 - 1 is provided at the part where the rotating shaft 7 is inserted into the limiting groove 3 - 1. The limiting surface 7 - 1 cooperates with the limiting groove 3 - 1 for limiting, so that the rotating shaft 7 is in transmission connection with the rotating head 3. The other end of the rotating shaft 7 is inserted into the second gear 5, and the rotating shaft 7 can rotate synchronously with the rotating head 3.

[0026] A clutch - ring socket part 7 - 2 is provided in the middle of the rotating shaft 7. The clutch ring 8 is in clearance fit on the outside of the clutch - ring socket part 7 - 2. Transmission tooth surfaces 8 - 1 are provided on both the left and right sides of the clutch ring 8. The first gear 4 and the second gear 5 are respectively provided on the left and right sides of the clutch ring 8 and are both meshed with the direction - changing gear 6. A direction - changing gear hole groove is provided on the lower cover 2, and the direction - changing gear 6 is installed on the direction - changing gear hole groove and can rotate freely. The direction - changing gear 6 can be a bevel gear or a crown gear. A first direction - changing meshing tooth 4 - 1 and a first transmission tooth 4 - 2 are provided on the first gear 4. The first direction - changing meshing tooth 4 - 1 is provided on the outer side surface of the first gear 4. The first transmission tooth 4 - 2 can be provided on the inner side surface of the first gear 4 or on the end surface of the first gear 4. The first direction - changing meshing tooth 4 - 1 is meshed with the direction - changing gear 6, and the first transmission tooth 4 - 2 can be meshed with the transmission tooth surface 8 - 1 on the left side of the clutch ring 8. A second direction - changing meshing tooth 5 - 1 and a second transmission tooth 5 - 2 are provided on the second gear 5. The second direction - changing meshing tooth 5 - 1 is provided on the outer side surface of the second gear 5. The second transmission tooth 5 - 2 can be provided on the inner side surface of the second gear 5 or on the end surface of the second gear 5. The second direction - changing meshing tooth 5 - 1 is meshed with the direction - changing gear 6, and the second transmission tooth 5 - 2 can be meshed with the transmission tooth surface 8 - 1 on the right side of the clutch ring 8.

[0027] Two sliding grooves 8-2 with both ends closed are arranged on the circumferential surface of the clutch ring 8, the left ends of the two sliding grooves 8-2 are opposite to the first gear 4, and the right ends of the two sliding grooves 8-2 are opposite to the second gear 5. Two protrusions 7-3 are arranged on the circumferential surface of the clutch ring sleeve 7-2, and the two protrusions 7-3 are respectively matched with the two sliding grooves 8-2. The protrusions 7-3 are inserted into the corresponding sliding grooves 8-2 and can slide along the sliding grooves 8-2 to push the clutch ring 8 to move left and right. The clutch ring 8 moves leftward, which can make the transmission tooth surface 8-1 on the left side of the clutch ring 8 mesh with the first transmission tooth 4-2 for transmission, and the clutch ring 8 moves rightward, which can make the transmission tooth surface 8-1 on the right side of the clutch ring 8 mesh with the second transmission tooth 5-2 for transmission. The two bosses 7-3 correspond to the two slide grooves 8-2 in a one-to-one manner, which is conducive to the stable transmission of the rotating shaft 7 to the clutch ring 8. Alternatively, only one boss 7-3 can be set to cooperate with one slide groove 8-2, which can also achieve the effect of the rotating shaft 7 pushing the clutch ring 8 to move left and right and transmit to the clutch ring 8.

[0028] When the shaft 7 rotates forward, the boss 7-3 slides along the slide slot 8-2 to push the clutch ring 8 to the right, until the boss 7-3 is limited by the left end of the slide slot 8-2. At this time, the shaft 7 can drive the clutch ring 8 to rotate forward synchronously, and the transmission tooth surface 8-1 on the right side of the clutch ring 8 meshes with the second transmission tooth 5-2 of the second gear 5, and the second gear 5 rotates forward; when the shaft 7 rotates reversely, the boss 7-3 slides along the slide slot 8-2 to push the clutch ring 8 to the left, until the boss 7-3 is limited by the right end of the slide slot 8-2. At this time, the shaft 7 can drive the clutch ring 8 to rotate reversely synchronously, and the transmission tooth surface 8-1 on the left side of the clutch ring 8 meshes with the first transmission tooth 4-2 of the first gear 4. The first gear 4 transmits reverse transmission to the second gear 5 through the change gear 6, and the second gear 5 rotates forward. That is, whether the shaft 7 rotates forward or reverse, the second gear 5 rotates forward.

[0029] The second gear 5 is in driving connection with the counter 9. The counter 9 is provided with a rotating disk 9-1 opposite to the second gear 5. The rotating disk 9-1 is provided with a driving surface 9-2. The second gear 5 is provided with a limiting piece 5-3. The limiting piece 5-3 is matched and connected with the driving surface 9-2 and drives the driving surface 9-2. The second gear 5 rotates forward to drive the rotating disk 9-1 to rotate forward, so that the counter 9 can count forward. The upper cover 1 is also provided with a viewing window 1-1. The digital display of the counter 9 is facing the viewing window 1-1, so that the number displayed by the counter 9 can be observed very conveniently.

[0030] Embodiment 2:

[0031] The difference between the bidirectional counting handle of this embodiment and that of Embodiment 1 lies in that two sliding grooves are provided on the circumferential surface of the clutch ring 8. The left end of one sliding groove is closed and opposite to the first gear 4, and the right end of the other sliding groove is closed and opposite to the second gear 5. Two protruding columns are provided on the circumferential surface of the rotating shaft 7. The protruding columns are inserted into the corresponding sliding grooves and can slide along the sliding grooves. When the rotating shaft 7 rotates forward, the protruding columns slide along the sliding groove 8-2, pushing the clutch ring 8 to move rightward until the protruding column inserted into the sliding groove with the left end closed is limited by the left end of the sliding groove where it is located. At this time, the rotating shaft 7 can drive the clutch ring 8 to rotate forward synchronously. The transmission tooth surface 8-1 on the right side of the clutch ring 8 meshes with the second transmission tooth 5-2 of the second gear 5 for transmission, and the second gear 5 rotates forward; when the rotating shaft 7 rotates reversely, the protruding columns slide along the sliding groove, pushing the clutch ring 8 to move leftward until the protruding column inserted into the sliding groove with the right end closed is limited by the right end of the sliding groove where it is located. At this time, the rotating shaft 7 can drive the clutch ring 8 to rotate reversely synchronously. The transmission tooth surface 8-1 on the left side of the clutch ring 8 meshes with the first transmission tooth 4-2 of the first gear 4 for transmission, and the first gear 4 transmits reversely to the second gear 5 through the reversing gear 6, so the second gear 5 rotates forward.

[0032] Embodiment 3:

[0033] The bidirectional counting skipping rope of the present invention includes a rope, a common handle, and a bidirectional counting handle as described in Embodiment 1 or Embodiment 2. A rope-passing hole 3-2 for connecting the rope is provided on the rotating head 3. The two ends of the rope are respectively connected in the rope-passing holes 3-2 of the common handle and the bidirectional counting handle of the present invention. The swinging of the rope can drive the rotating head 3 to rotate. Whether the bidirectional counting handle of the present invention is held in the left hand or the right hand, and whether it is forward skipping or backward skipping, the bidirectional counting skipping rope of the present invention can count forward.

[0034] The above are only specific embodiments of the present invention and are not used to limit the scope of implementation of the present invention; if the present invention is modified or equivalently replaced without departing from the spirit and scope of the present invention, it should be covered by the protection scope of the claims of the present invention.

Claims

1. A two-way counting handle, comprising a housing, a rotating head (3) provided on the housing, a transmission assembly and a counter (9) provided in the housing, characterized in that, the transmission assembly includes a rotating shaft (7), a clutch ring (8), a first gear (4), a second gear (5) and a reversing gear (6). One end of the rotating shaft (7) passes through the first gear (4) and is in transmission connection with the rotating head (3). The other end of the rotating shaft (7) is inserted into the second gear (5). The clutch ring (8) is provided on the rotating shaft (7). When the rotating shaft (7) rotates, it can push the clutch ring (8) to shift left and right and drive the clutch ring (8) to rotate. The first gear (4) and the second gear (5) are respectively arranged on the left and right sides of the clutch ring (8) and are both meshed with the reversing gear (6). When the rotating shaft (7) rotates forward, it can push the clutch ring (8) to shift right and be in transmission connection with the second gear (5). When the rotating shaft (7) rotates reversely, it can push the clutch ring (8) to shift left and be in transmission connection with the first gear (4). The second gear (5) is in transmission connection with the counter (9).

2. The two-way counting handle according to claim 1, characterized in that, a chute (8-2) with both ends closed is provided on the circumferential surface of the clutch ring (8). The left end of the chute (8-2) faces the first gear (4), and the right end of the chute (8-2) faces the second gear (5). A convex column (7-3) is provided on the circumferential surface of the rotating shaft (7). The convex column (7-3) is inserted into the chute (8-2) and can slide along the chute (8-2) to push the clutch ring (8) to move left and right. When the rotating shaft (7) rotates forward, the convex column (7-3) can push the clutch ring (8) to shift right and be in transmission connection with the second gear (5). When the rotating shaft (7) rotates reversely, the convex column (7-3) can push the clutch ring (8) to shift left and be in transmission connection with the first gear (4).

3. The two-way counting handle according to claim 1, characterized in that, two chutes are provided on the circumferential surface of the clutch ring (8). One end of one chute is closed and faces the first gear (4), and one end of the other chute is closed and faces the second gear (5). Two convex columns are provided on the circumferential surface of the rotating shaft (7). One convex column is inserted into the chute with the left end closed and can slide along the chute until it is limited by the closed left end of the chute. The other convex column is inserted into the chute with the right end closed and can slide along the chute until it is limited by the closed right end of the chute. When the rotating shaft (7) rotates forward, the convex column can push the clutch ring (8) to shift right and be in transmission connection with the second gear (5). When the rotating shaft (7) rotates reversely, the convex column can push the clutch ring (8) to shift left and be in transmission connection with the first gear (4).

4. The two-way counting handle according to claim 1, characterized in that, a first reversing meshing tooth (4-1) and a first transmission tooth (4-2) are provided on the first gear (4). The first reversing meshing tooth (4-1) is meshed with the reversing gear (6). A transmission tooth surface (8-1) is provided on the left side of the clutch ring (8). When the clutch ring (8) shifts left, the transmission tooth surface (8-1) on the left side of the clutch ring (8) can be meshed with the first transmission tooth (4-2) for transmission.

5. The two-way counting handle according to claim 1, characterized in that, The second gear (5) is provided with a second reverse meshing tooth (5-1) and a second transmission tooth (5-2). The second reverse meshing tooth (5-1) meshes with the reverse gear (6). A transmission tooth surface (8-1) is provided on the right side of the clutch ring (8). When the clutch ring (8) moves to the right, the transmission tooth surface (8-1) on the right side of the clutch ring (8) can mesh with and drive the second transmission tooth (5-2).

6. The bidirectional counting handle according to claim 1, characterized in that, a turntable (9-1) opposite to the second gear (5) is provided on the counter (9). A transmission surface (9-2) is provided on the turntable (9-1). A limiting piece (5-3) is provided on the second gear (5). The limiting piece (5-3) is connected and matched with the transmission surface (9-2) and drives the transmission surface (9-2).

7. The bidirectional counting handle according to claim 1, characterized in that, a limiting groove (3-1) is provided on the rotating head (3). One end of the rotating shaft (7) opposite to the rotating head (3) is inserted into the limiting groove (3-1) and is limited by the limiting groove (3-1). The limiting groove (3-1) drives the rotating shaft (7).

8. The bidirectional counting handle according to claim 1, characterized in that, several limiting ribs are provided on the inner side of the housing. The limiting ribs are used for axially limiting the rotating head (3), the first gear (4), the second gear (5) and the counter (9).

9. A bidirectional counting skipping rope, characterized in that, it includes a rope and the bidirectional counting handle according to any one of claims 1 to 8. A rope passing hole (3-2) for connecting the rope is provided on the rotating head (3). The swinging of the rope can drive the rotating head (3) to rotate.

Images