阅读说明：本技术 一种健身用计数拉力器装置 (Counting chest expander device for body building ) 是由 王进 于 2020-11-16 设计创作，主要内容包括：本发明涉及健身器材技术领域,且公开了一种健身用计数拉力器装置,包括壳体,所述壳体左侧的上端和下端分别设有一个运动轴固定座,所述运动轴固定座两端分别设有固定座滑槽,所述运动轴固定座上设有转动结构,所述壳体内部设有减速结构,所述壳体上侧设有防夹手装置。优点在于：设置有弧形防夹手装置,可以缓冲握杆突然回弹产生的力；设置有减速装置,使人的运动受力增大,增加健身带来的效果；设置有计数装置,给人健身规范了运动量。(The invention relates to the technical field of fitness equipment and discloses a counting chest expander device for fitness, which comprises a shell, wherein a moving shaft fixing seat is arranged at the upper end and the lower end of the left side of the shell respectively, fixing seat sliding grooves are formed in two ends of the moving shaft fixing seat respectively, a rotating structure is arranged on the moving shaft fixing seat, a speed reducing structure is arranged in the shell, and a hand clamping preventing device is arranged on the upper side of the shell. Has the advantages that: the arc-shaped hand clamping prevention device is arranged, so that the force generated by sudden rebounding of the holding rod can be buffered; the reduction gear is arranged, so that the movement stress of a person is increased, and the effect brought by body building is improved; the counting device is arranged, so that the exercise amount is standardized for body building of people.)

1. The utility model provides a body-building is with count chest expander device, includes casing (1), its characterized in that: casing (1) left upper end and lower extreme are equipped with a motion axle fixing base (2) respectively, motion axle fixing base (2) both ends are equipped with fixing base spout (37) respectively, be equipped with rotating-structure on motion axle fixing base (2), rotating-structure links to each other with holding rod (1), casing (1) inside is equipped with the speed reduction structure who is used for changing rotating-structure drive ratio, casing (1) inside is equipped with the count structure that is used for counting rotating-structure's number of times, casing (1) upside is equipped with prevents tong device.

2. The counting chest expander device for exercise of claim 1, wherein: the rotating structure comprises a moving shaft (6), two ends of the moving shaft (6) penetrate through a moving shaft fixing seat (2), two ends of the moving shaft (6) are provided with moving shaft fixing strips (38), the moving shaft fixing strips (38) are clamped in a fixing seat sliding groove (37), two ends of the moving shaft (6) are connected with connecting rods (9), two holding rods (1) are fixedly connected between the tail ends of the connecting rods (9), four anti-loosening gaskets (36) are arranged on the moving shaft (6), the anti-loosening gaskets (36) are respectively arranged on two sides of the connecting rods (9), the moving shaft (6) is in threaded connection with a fixing ring (32), the fixing ring (32) is arranged on the inner side of the inner anti-loosening gasket (36), a one-way ratchet ring is arranged on the outer side of the fixing ring (32), a rotating rod (33) is connected on the outer side of the one-way ratchet ring, and a rotating rod fixing, dwang (33) link to each other with dwang fixed sleeve (35), motion axle (6) outside cover has two sleeves (31), two the outside of sleeve (31) overlaps respectively has torque spring (8), casing (1) left side is opened has spring slot (7) that are used for fixed torque spring (8) one end, works as when connecting rod (9) clockwise rotation, one-way ratchet ring and solid fixed ring (32) locking work as during connecting rod (9) counter-clockwise motion, one-way ratchet ring kick-backs under torque spring (8) effect, gu fixed ring (32) are static.

3. The counting chest expander device for exercise of claim 2, wherein: the speed reducing structure comprises a main motion bevel gear (15), the center of the main motion bevel gear (15) is connected with a motion shaft (6), the shell (1) is respectively and rotatably connected with a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft and a fifth rotating shaft, the first rotating shaft is respectively connected with the center of a motion auxiliary bevel gear (17) and the center of a first gear (18), the first gear (18) is positioned below the motion auxiliary bevel gear (17), the main motion bevel gear (15) is meshed with the motion auxiliary bevel gear (17), the second rotating shaft is connected with the center of a second gear (19), the second gear (19) is meshed with the first gear (18), the third rotating shaft is connected with the center of a third gear (2), the third gear (2) is meshed with the second gear (19), and the fourth rotating shaft is respectively connected with the center of a fourth gear (21) and the center of a fifth gear (22), the fifth gear (22) is located above the fourth gear (21), the fifth gear (22) is meshed with the third gear (2), the fifth rotating shaft is connected with the center of a sixth gear (23), and the sixth gear (23) is meshed with the fifth gear (22).

4. The counting chest expander device for exercise of claim 3, wherein: the counting structure comprises a transmission gear (24) positioned on the right lower side of a sixth gear (23), the sixth gear (23) is in meshed connection with the transmission gear (24), a first bevel gear (25) coaxially fixed is arranged above the transmission gear (24), a transmission shaft (27) is arranged on the right side of the first bevel gear (25), a second bevel gear (26) is fixedly connected to the upper end of the transmission shaft (27), the first bevel gear (25) is in meshed connection with the second bevel gear (26), the lower tail end of the transmission shaft (27) is fixedly connected with a third bevel gear (28), a counting plate (16) positioned on the left side of the third bevel gear (28) is fixedly connected to the shell (1), a counting spindle (3) penetrates through the counting plate (16) and is rotatably connected with the counting plate (16), and a fourth bevel gear (29) is fixedly connected to the tail end of the counting spindle (3), the third bevel gear (28) is meshed with the fourth bevel gear (29), a horizontal sliding groove (4) is formed in the upper right side of the shell (1), a reset rod (3) penetrates through the horizontal sliding groove (4), a first moving rod (45) is fixedly connected to the tail end of the reset rod (3), an increasing block (5) is fixedly connected to the right end of the first moving rod (45), a vertical sliding groove (13) is formed in the upper right side of the shell (1), a second moving rod (5) penetrates through the vertical sliding groove (13), a groove is formed in the left side of the second moving rod (5), the increasing block (5) at the tail end of the first moving rod (45) is in clearance fit with the groove in the left side of the second moving rod (5), an increasing fixing structure is arranged on the increasing block (5) and the second moving rod (5), the increasing fixing structure comprises the increasing block (5), and a fixing block groove (103) is formed in the right end of the increasing block (5), a fixed block outlet hole (106) is arranged at the top of the fixed block groove (103), a bullet-shaped fixed block (102) is arranged in the fixed block groove (103), two sides of the bullet-shaped fixed block (102) are provided with limit blocks (105), the limit blocks (105) can prevent the device in the fixed block groove (103) from popping up, the bottom of the bullet-shaped fixed block (102) is provided with a fixed block spring (104), the second moving rod (5) is provided with a fixed hole (101), the width of the fixed hole (101) is the same as that of the outlet hole (106) of the fixed block, the lower ends of the first moving rod (45) and the second moving rod (5) are provided with moving rod meshing gears (44), the moving rod meshing gear (44) is meshed with the sixth gear (23), a third spring (43) which is horizontally arranged is arranged between the reset rod (3) and the right side of the shell (1), and a vertically arranged compression spring is arranged between the vertical sliding groove (13) and the second moving rod (5).

5. The counting chest expander device for exercise of claim 1, wherein: prevent tong device including preventing tong device casing (12), tong device casing (1) is the arc to arc spout (39) have been seted up, prevent tong device casing (12) bottom and be fixed in casing (1), arc spout (39) bottom is equipped with soft sponge (42), can cushion the power that holding rod (1) kick-backed suddenly produced, holding rod (1) passes arc spout (39), be equipped with second spring (4) between holding rod (1) downside and arc spout (39) bottom, be equipped with first spring (41) between holding rod (1) upside and arc spout (39) top.

6. The counting chest expander device for exercise of claim 1, wherein: a soft grip (11) is arranged in the middle of the holding rod (1).

7. The counting chest expander device for exercise of claim 1, wherein: four rounded corners of the shell (1) are respectively provided with a shell fixing hole (14).

Technical Field

The invention relates to the technical field of fitness equipment, in particular to a counting chest expander device for fitness.

Background

Body-building also is a kind of exercise mode that a lot of men and ms were used for moulding perfect stature, and the bending and tensile force of arm is the fine mode of taking exercise the arm, needs a chest expander to take exercise the arm as body-building auxiliary equipment this time, and the chest expander is the apparatus that is suitable for masses' body-building to take exercise, uses the benefit that the chest expander was taken exercise to lie in: the biceps brachii muscle is a muscle with two muscle heads, and its main function is to bend the arm. In the case of arm curl, the other muscle, triceps brachii, is also used.

The existing chest developer is generally a spring chest developer and a rubber belt chest developer, one end of the chest developer is firmly fixed on other objects during movement, if two hands stretch with each other by hand, two arms are uniformly stressed, if one hand suddenly becomes small, the chest developer can slip or rebound suddenly to cause an injury accident, meanwhile, skin or hair can be injured by a rebounded spring clip, meanwhile, the construction of the spring chest developer is simple, some people do not plan body building, the number of body building plans for force measurement is not achieved, and the muscle training effect of people is not achieved or even damaged.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a counting chest expander device for fitness, which has the advantages of being capable of slowing down the rebound speed and counting the exercise amount, and solves the problems that the rebound speed is high, the exercise amount can be damaged by clamping and the fitness exercise amount is unfixed.

(II) technical scheme

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a body-building is with count chest expander device, includes the casing, the left upper end of casing and lower extreme are equipped with a motion axle fixing base respectively, motion axle fixing base both ends are equipped with the fixing base spout respectively, be equipped with rotating-structure on the motion axle fixing base, rotating-structure links to each other with the holding rod, the inside speed reduction structure that is used for changing rotating-structure drive ratio that is equipped with of casing, the inside count structure that is used for counting rotating-structure's number of times that rotates that is equipped with of casing, the casing upside is equipped with prevents tong device.

Preferably, the rotating structure comprises a moving shaft, two ends of the moving shaft penetrate through a moving shaft fixing seat, two ends of the moving shaft are provided with moving shaft fixing strips, the moving shaft fixing strips are clamped in a fixing seat sliding groove, two ends of the moving shaft are connected with connecting rods, a holding rod is fixedly connected between the tail ends of the two connecting rods, the moving shaft is provided with four anti-loosening washers, the anti-loosening washers are respectively arranged on two sides of the connecting rods, the moving shaft is in threaded connection with a fixing ring, the fixing ring is arranged on the inner side of an inner anti-loosening washer, the outer side of the fixing ring is provided with a one-way ratchet ring, the outer side of the one-way ratchet ring is connected with a rotating rod, the connecting rod is fixedly connected with a rotating rod fixing sleeve, the rotating rod is connected with the rotating rod fixing sleeve, the left side of the shell is provided with a spring clamping groove used for fixing one end of a torsion spring, when the connecting rod rotates clockwise, the one-way ratchet ring and the fixing ring are locked, when the connecting rod moves anticlockwise, the one-way ratchet ring rebounds under the action of the torsion spring, and the fixing ring is static.

Preferably, the speed reducing structure comprises a motion main bevel gear, the center of the motion main bevel gear is connected with a motion shaft, the shell is respectively and rotatably connected with a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft and a fifth rotating shaft, the first rotating shaft is respectively connected with the center of the motion auxiliary bevel gear and the center of the first gear, the first gear is positioned below the motion auxiliary bevel gear, the motion main bevel gear is meshed with the motion auxiliary bevel gear, the second rotating shaft is connected with the center of the second gear, the second gear is meshed with the first gear, the third rotating shaft is connected with the center of the third gear, the third gear is meshed with the second gear, the fourth rotating shaft is respectively connected with the center of the fourth gear and the center of the fifth gear, the fifth gear is positioned above the fourth gear, and the fifth gear is meshed with the third gear, the fifth rotating shaft is connected with the center of a sixth gear, and the sixth gear is meshed with the fifth gear.

Preferably, the counting structure comprises a transmission gear positioned at the right lower side of the sixth gear, the sixth gear is meshed with the transmission gear, a first bevel gear coaxially fixed is arranged above the transmission gear, the right side of the first bevel gear is provided with a transmission shaft, the upper end of the transmission shaft is fixedly connected with a second bevel gear, the first bevel gear is meshed with the second bevel gear, the lower end of the transmission shaft is fixedly connected with a third bevel gear, the shell is fixedly connected with a counting plate positioned at the left side of the third bevel gear, the main shaft of the counter penetrates through the counting plate and is rotatably connected with the counting plate, the tail end of the main shaft of the counter is fixedly connected with a fourth bevel gear, the third bevel gear is meshed with the fourth bevel gear, the right upper side of the shell is provided with a horizontal chute, a reset rod penetrates through the horizontal chute, and the tail end of the reset, the tail end of the right side of the first moving rod is fixedly connected with an increasing block, the upper right side of the shell is provided with a vertical sliding groove, a second moving rod penetrates through the vertical sliding groove, the left side of the second moving rod is provided with a groove, the increasing block at the tail end of the first moving rod is in clearance fit with the groove at the left side of the second moving rod, a increasing fixing structure is arranged on the increasing block and the second moving rod and comprises an increasing block, the quick tail end of the right side of the increasing block is provided with a fixing block groove, the top of the fixing block groove is provided with a fixing block outlet, a bullet-shaped fixing block is arranged in the fixing block groove, two sides of the bullet-shaped fixing block are provided with limit blocks, the limit blocks can prevent a device in the fixing block groove from popping out, the bottom of the bullet-shaped fixing block is provided with a fixing block spring, the second moving rod is provided with a fixing hole, first carriage release lever and second carriage release lever lower extreme are equipped with carriage release lever meshing gear, carriage release lever meshing gear is connected with the meshing of sixth gear, be equipped with the third spring that the level set up between release link and the casing right side, be equipped with the compression spring of vertical setting between vertical spout and the second carriage release lever.

Preferably, prevent tong device is including preventing tong device casing, tong device casing is the arc to the arc spout has been seted up, prevent tong device casing bottom is fixed in the casing, arc spout bottom is equipped with soft sponge, can cushion the power that the holding rod kick-backed suddenly produced, the holding rod passes the arc spout, be equipped with the second spring between holding rod downside and the arc spout bottom, be equipped with first spring between holding rod upside and the arc spout top.

Preferably, a soft grip is arranged in the middle of the holding rod.

Preferably, the four rounded corners of the housing are respectively provided with a housing fixing hole.

(III) advantageous effects

Compared with the prior art, the invention provides a counting chest expander device for fitness, which has the following beneficial effects:

1. according to the counting chest expander device for body building, the arc-shaped hand clamping prevention device is arranged, the soft sponge is arranged at the bottom of the arc-shaped sliding chute, the force generated by sudden rebounding of the holding rod can be buffered, meanwhile, the first spring and the second spring are arranged in the sliding chute, and when the holding rod rebounds, the first spring generates tension to the holding rod, so that the holding rod performs speed reduction movement, and a certain reaction time is generated for people;

2. according to the counting chest expander device for body building, the reduction device is arranged, and the gears in the shell move and reduce speed through different gear phases under the mutual meshing action of the gears, so that the movement stress of a person is increased, and the effect brought by body building is improved;

3. this body-building is with count chest expander device, through setting up counting assembly, the gear passes through the motion that meshing gear drove the carriage release lever, the quantity of the gear number on the carriage release lever is certain, the carriage release lever slides and finishes the body-building motion to the meshing point end, the carriage release lever can increase simultaneously, a growth device has been set up, the carriage release lever gap after increasing still can carry out the meshing motion with the gear, the gear drives the counting board work through bevel gear simultaneously, give people the body-building and standardized the amount of exercise.

Drawings

FIG. 1 is a top view of the structure of the present invention.

Fig. 2 is a schematic view of the interior of the housing of the present invention.

Fig. 3 is a structural elevation of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 1.

Fig. 5 is a partial schematic view of the rotational structure of the present invention.

Fig. 6 is a partially enlarged view at B in fig. 2.

Fig. 7 is a partially enlarged view at C in fig. 6.

Fig. 8 is a partial schematic view of a bullet-type anchor block in the auxetic structure of the present invention.

In the figure, a shell 1, a moving shaft fixing seat 2, a reset rod 3, a horizontal sliding groove 4, a second moving rod 5, a moving shaft 6, a spring clamping groove 7, a torsion spring 8, a connecting rod 9, a holding rod 10, a soft handle 11, a hand clamping prevention device shell 12, a vertical sliding groove 13, a shell fixing hole 14, a moving main bevel gear 15, a counting plate 16, a moving auxiliary bevel gear 17, a first gear 18, a second gear 19, a third gear 20, a fourth gear 21, a fifth gear 22, a sixth gear 23, a transmission gear 24, a first bevel gear 25, a second bevel gear 26, a transmission shaft 27, a third bevel gear 28, a fourth bevel gear 29, a counter main shaft 30, a sleeve 31, a fixing ring 32, a rotating rod 33, a spring fixing sleeve 34, a rotating rod fixing sleeve 35, a locking washer 36, a fixing seat sliding groove 37, a moving shaft fixing strip 38, an arc-shaped sliding groove 39, a second spring 40, a first spring 41, the spring type elastic fixing block comprises a soft sponge 42, a third spring 43, a moving rod meshing gear 44, a first moving rod 45, an extension block 50, a fixing hole 101, a bullet type fixing block 102, a fixing block groove 103, a fixing block spring 104, a limiting block 105 and a fixing block outlet 106.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, a counting chest expander device for fitness comprises a shell, a rotating structure, a speed reducing structure and a counting structure, wherein four rounded corners of the shell 1 are respectively provided with a shell fixing hole 14, the upper end and the lower end of the left side of the shell 1 are respectively provided with a moving shaft fixing seat 2, two ends of the moving shaft fixing seat 2 are provided with a fixing seat sliding groove 37, the rotating structure is fixed on the moving shaft fixing seat 2, the rotating structure comprises a moving shaft 6 penetrating through the moving shaft fixing seat 2, two ends of the moving shaft 6 are provided with moving shaft fixing strips 38, the moving shaft fixing strips 38 are clamped in the fixing seat sliding grooves 37, two sides of the moving shaft 6 are penetrated with connecting rods 9, the tail ends of the two connecting rods 9 are fixedly connected with a holding rod 10, the middle of the holding rod 10 is provided with a soft grip 11, two sides of the connecting rod 9 penetrating through the moving shaft 6 are provided with, the fixed ring 32 is in threaded connection with the moving shaft 6, a one-way ratchet ring is matched with the outer side of the fixed ring 32, a rotating rod 33 is connected with the outer side of the one-way ratchet ring, when the one-way ratchet ring rotates clockwise, the one-way ratchet ring is locked with the fixed ring 32 and rebounds when the one-way ratchet ring moves anticlockwise, the fixed ring 32 does not rotate, a rotating rod fixing sleeve 35 is welded on the connecting rod 9, the rotating rod 33 is connected with the rotating rod fixing sleeve 35 on the connecting rod 9, two sleeves 31 are sleeved on the outer side of the moving shaft 6, torsion springs 8 are respectively sleeved on the outer parts of the two sleeves 31, a spring clamping groove 7 is formed in the contact part of the torsion spring 8 on the left side of the shell 1 and used for clamping the torsion spring 8, a speed reducing structure is arranged in the shell 1 and comprises a moving main bevel gear 15, the motion pair bevel gear 17 and the first gear 18 are coaxially fixed through a first rotating shaft, the first rotating shaft is rotatably connected on the shell 1, the first gear 18 is arranged below the motion pair bevel gear 17, the right side of the first gear 18 is provided with a second gear 19, the second gear 19 is rotatably connected with the shell 1 through a second rotating shaft, the first gear 18 is meshed with the second gear 19, the upper side of the second gear 19 is provided with a third gear 20, the third gear 20 is rotatably connected with the shell 1 through a third rotating shaft, the second gear 19 is meshed with the third gear 20, the right side of the third gear 20 is provided with a fifth gear 22, the third gear 20 is meshed with a fifth gear 22, the lower side of the fifth gear 22 is provided with a fourth gear 21, the fifth gear 22 and the fourth gear 21 are coaxially fixed through a fourth rotating shaft, the fourth rotating shaft is rotatably connected on the shell 1, the right upper side of the fifth gear 22 is provided with a sixth gear 23, the fifth gear 22 is meshed with the sixth gear 23, the sixth gear is rotatably connected with the shell 1 through a fifth rotating shaft, the sixth gear 23 is matched with a counting structure, the counting structure comprises a transmission gear 24 positioned at the lower right side of the sixth gear 23, the sixth gear 23 is meshed with the transmission gear 24, a first bevel gear 25 coaxially fixed is arranged above the transmission gear 24, a transmission shaft 27 is arranged at the right side of the first bevel gear 25, a second bevel gear 26 is fixedly connected with the upper end of the transmission shaft 27, the first bevel gear 25 is meshed with the second bevel gear 26, a third bevel gear 28 is fixedly connected with the lower tail end of the transmission shaft 27, a counting plate 16 positioned at the left side of the third bevel gear 28 is fixedly connected with the shell 1, a counter spindle 30 penetrates through the counting plate 16 and is rotatably connected with the counting plate 16, a fourth bevel gear 29 is fixedly connected with the tail end of the counter spindle 30, the third bevel gear 28 is meshed with the fourth bevel gear 29, a horizontal, a reset rod 3 penetrates through the horizontal sliding groove 4, the tail end of the reset rod 3 is fixedly connected with a first moving rod 45, the tail end of the right side of the first moving rod 45 is fixedly connected with an increasing block 50, the upper right side of the shell 1 is provided with a vertical sliding groove 13, a second moving rod 5 penetrates through the vertical sliding groove 13, the left side of the second moving rod 5 is provided with a groove, the increasing block 50 at the tail end of the first moving rod 45 is in clearance fit with the groove at the left side of the second moving rod 5, an increasing fixing structure is arranged on the increasing block 50 and the second moving rod 5 and comprises the increasing block 50, the quick tail end of the right side of the increasing block 50 is provided with a fixed block groove 103, the top of the fixed block groove 103 is provided with a fixed block outlet hole 106, a bullet-shaped fixed block 102 is arranged in the fixed block groove 103, two sides of the bullet-shaped fixed block 102 are provided with limiting blocks 105, the limiting blocks 105 can prevent, the second moving rod 5 is provided with a fixed hole 101, the width of the fixed hole 101 is the same as that of a fixed block outlet 106, the lower ends of the first moving rod 45 and the second moving rod 5 are provided with a moving rod meshing gear 44, the moving rod meshing gear 44 is meshed with the sixth gear 23 and is connected with the sixth gear, a horizontally arranged third spring 43 is arranged between the reset rod 3 and the right side of the shell 1, a vertically arranged compression spring is arranged between the vertical chute 13 and the second moving rod 5, the upper side of the shell 1 is provided with a hand clamping prevention device, the hand clamping prevention device comprises a hand clamping prevention device shell 12, the hand clamping prevention device shell 12 is arc-shaped and is provided with an arc chute 39, the bottom of the hand clamping prevention device shell 12 is fixed on the shell 1, the bottom of the arc chute 39 is provided with soft sponge 42 which can buffer the force generated by sudden rebound of the holding rod, the holding rod 10 passes through the arc chute 39, a first spring 41 is arranged between the upper side of the holding rod 10 and the top of the arc-shaped sliding chute 39.

The working principle is as follows: when people are doing body-building, the hand holds the soft grip 11 on the holding rod 10, the soft grip 11 is made of soft sponge material, compared with the existing hard plastic grip, the hand is comfortable when holding body-building, the holding rod 10 is pushed and pulled upwards to move upwards along the arc-shaped chute 39, when the soft grip 11 moves to the top of the arc-shaped chute 39, the soft grip starts to move downwards, the body-building mode is that the holding rod 10 is pulled to do reciprocating motion back and forth along the arc-shaped chute 39, the holding rod 10 is rotated to drive the connecting rod 9 connected with the holding rod, meanwhile, the unidirectional ratchet ring rotating rod 33 in the rotating rod fixing sleeve 35 on the connecting rod 9 rotates along with the arc-shaped chute, the unidirectional ratchet ring rotating rod 33 drives the fixing ring 32 to rotate, the unidirectional ratchet ring is locked with the fixing ring 32 when the clockwise motion occurs, the fixing ring 32 is fixedly connected with the motion shaft 6 through threads, the motion shaft, because the rotation stress begins to deform and rotate, the motion shaft 6 rotates to drive the motion main bevel gear 15, the motion main bevel gear 15 is meshed with the motion auxiliary bevel gear 17, the motion auxiliary bevel gear 17 is coaxially fixed with the first gear 18, the motion auxiliary bevel gear 17 rotates to drive the first gear 18 to rotate, the first gear 18 is meshed with the second gear 19, the first gear 18 drives the second gear 19 to rotate, the second gear 19 is meshed with the third gear 20, the second gear 19 drives the third gear 20 to rotate, the third gear 20 is meshed with the fifth gear 22, the third gear 20 drives the fifth gear 22 to rotate, the fourth gear 21 is coaxially fixed with the fifth gear 22, the fifth gear 22 drives the fourth gear 21 to rotate, the fourth gear 21 is meshed with the sixth gear 23, the fourth gear 21 drives the sixth gear 23 to rotate, the sixth gear 23 is meshed with the moving rod meshing gear 44, the sixth gear 23 rotates to drive the first moving rod 45 and the second moving rod 5 where the moving rod meshing gear 44 is located to move leftwards, the number of teeth of the moving rod meshing gear 44 is fixed, when a group is finished, the sixth gear 23 blocks the tail end of the moving rod meshing gear 44, the whole body does not move any more, when the group is finished, the reset rod 3 can be pulled upwards, the compression spring in the vertical chute 13 is extruded, the moving rod meshing gear 44 is separated from the sixth gear 23, the third spring 43 rebounds, the first moving rod 45 returns to the initial state, if the amount of movement of each group needs to be increased, the reset rod 3 is pulled horizontally to pull the extension block 50 out, the bullet type fixing block 102 is popped out of the fixing block outlet hole 106 through the fixing block spring 104, the fixing hole 101 is moved to be fixed, the first moving rod 45 is extended to increase the gear meshing number, meanwhile, the sixth gear 23 is meshed with the transmission gear 24, the sixth gear 23 drives the first bevel gear 25 to rotate, the first bevel gear 25 is coaxially fixed with the transmission gear 24, the transmission gear 24 drives the, the first bevel gear 25 is meshed with the second bevel gear 26, the first bevel gear 25 drives the second bevel gear 26 to rotate, the second bevel gear 26 is fixed at the tail end of the transmission shaft 27, the transmission shaft 27 rotates to drive the third bevel gear 28, the third bevel gear 28 drives the fourth bevel gear 29 to rotate, the fourth bevel gear 29 drives the counter spindle 30 to enable the counting plate 16 to start working, the transmission ratios of the transmission gear 24, the sixth gear 23, the moving rod meshed gear 44 and the sixth gear 23 are the same, when the hand suddenly reduces the force or slides, the holding rod 10 slides down along the arc-shaped sliding groove 39, the first spring 41 pulls the holding rod 10 to reduce the speed, a certain reaction time is brought to people, and finally the holding rod falls on the soft sponge 42, and the soft sponge 42 has a certain height with the shell to prevent the hand from being clamped.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.