CN221061636U

CN221061636U - Domestic treadmill with auxiliary support rod

Info

Publication number: CN221061636U
Application number: CN202322933817.1U
Authority: CN
Inventors: 卢忠辉; 汪清
Original assignee: Zhejiang Ganghui Industry And Trade Co ltd
Current assignee: Zhejiang Ganghui Industry And Trade Co ltd
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2024-06-04
Anticipated expiration: 2033-10-31

Abstract

The utility model relates to a household stepper with auxiliary supporting rods, which comprises a bottom plate, wherein the left side of the upper end of the bottom plate is provided with a pedal, the right side of the bottom plate is provided with a fixed rod, the upper end of the fixed rod is provided with a movable rod, the upper end of the movable rod is rotationally connected with a supporting rod, the upper end of the supporting rod is fixedly connected with a handle, and particularly, the device ensures that the other end of a rope belt is fixedly connected with the supporting rod by arranging a tightening wheel with the outer side wound on the rope belt in the fixed rod, thereby realizing the adjustment of the inclination angle of the supporting rod by changing the winding number of the rope belt on the tightening wheel through rotating the tightening wheel.

Description

Domestic treadmill with auxiliary support rod

Technical Field

The utility model relates to the technical field of treadmills, in particular to a household treadmill with auxiliary supporting rods.

Background

At present, due to the improvement of living standard, people gradually change from substance pursuit to mental pursuit, and the importance of people on self health is increasingly improved. However, due to space distance and time and money limitations, most people still have the option to exercise at home only.

The stepping machine is a household body-building apparatus which is popular widely, and can simulate running or stair running process by alternately stepping on pedals by the feet of a user, so that the stepping machine can be used for training the leg muscles and hip muscles of the user.

However, the existing stepping machines are simple in structure, only comprise a pedal part, and users with poor body foundation do not have enough waist and abdomen force to stabilize the body, so that the body can be skewed in the training process, and even fall off the stepping machine. Meanwhile, for users with poor physical basic quality, the user with poor physical basic quality keeps a good training posture more important than the training process, and the users with poor physical basic quality often accompany unbalanced development of body muscles due to uneven daily stress and lack of exercise, and if the users are trained by adopting incorrect training postures, the unbalanced muscle state is further increased.

Accordingly, it is believed that there is a need for a home treadmill with support bars to help the user stabilize the figure, helping the user establish the correct exercise position.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the household stepper with the auxiliary supporting rods, which has the advantages of helping a user to stabilize the shape and helping the user to establish the correct training posture, and solves the defects that the device in the prior art is too simple in structure, lacks corresponding supporting rods and is not suitable for users with poor basic physical quality.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a domestic treadmill with auxiliary support pole, includes the bottom plate, both sides around the bottom plate upper end respectively through connecting rod fixedly connected with location axle, the epaxial cover of location is equipped with the footboard, the bottom plate upper end is provided with the dead lever, and the dead lever is located the location axle left and right sides respectively with the footboard, and the dead lever upper end is provided with the movable rod, and the movable rod upper end rotates and is connected with the bracing piece, both sides respectively fixedly connected with handle around the bracing piece upper end, the inside rotation of dead lever is connected with a front and back axial tightening wheel, and tightening wheel side terminal surface winding is provided with the rope belt, rope belt one end and tightening wheel fixed connection, rope belt other end and bracing piece fixed connection, the inside rotation of dead lever is connected with front and back axial drive gear, and drive gear one side meshing transmission is connected with the rack, rack and dead lever sliding connection, the coaxial fixedly connected with driven gear of tightening wheel axial end, driven gear and drive gear meshing transmission are connected with the drive shaft, drive shaft front side coaxial fixedly connected with drive shaft has offered through-hole I to the drive shaft on the dead lever, drive shaft front end runs through-hole I and fixedly connected with rotation piece.

Preferably, the number of the driving gears is two, the adjacent ends of the two driving gears are coaxially and fixedly connected with transmission rods, the two axial ends of the tightening wheel are respectively and coaxially and fixedly connected with a driven gear, and the driven gears are in meshed transmission connection with the driving gears at the corresponding positions.

Preferably, a sliding rail is arranged in the fixed rod, a front-back axial sleeve is inserted in the sliding rail, an inner rod is inserted in the sleeve, a through hole II is formed in the fixed rod, the front end of the inner rod penetrates through the through hole II and extends out of the fixed rod, two driving gears are connected with a follow-up gear in a meshed transmission mode respectively, a follow-up rod is fixedly connected between the two follow-up gears together, a limit gear is sleeved on the follow-up rod, a limit block is fixedly connected onto the inner rod, and when the limit block and the limit gear are in the same vertical plane, the limit block is connected with the limit gear in a meshed transmission mode.

Preferably, compression spring I is coaxially arranged in the sleeve, one axial end of the compression spring I is fixedly connected with the sleeve, the other axial end of the compression spring I is fixedly connected with the inner rod, and when the compression spring I is not affected by external force, the limiting block and the limiting gear are located on the same vertical plane.

Preferably, an upper axial compression spring II and a lower axial compression spring II are arranged in the sliding rail, the upper end face of the compression spring II is fixedly connected with the sleeve, the limiting gear is of a ratchet gear structure, and the upper end of the limiting block is provided with a corresponding pawl for the limiting gear.

Preferably, the two driving gears are far away from the end, the two driven gears are far away from the end, and the two driven gears are far away from the end and are respectively connected with the fixed rod in a rotating way through bearings.

Preferably, the diameter of the driven gear is smaller than that of the driving gear, and the rope belt is fixedly connected with one end, far away from the movable rod, of the supporting rod.

Preferably, the rope belt is fixedly connected with the middle part of one end of the support rod, which is far away from the movable rod, a positioning block with a semicircular longitudinal section is fixedly connected inside the support rod, the rope belt is abutted with the limiting block, and the rope belt is not contacted with the movable rod and the support rod.

Preferably, the movable rod and the fixed rod are completely overlapped in the horizontal plane projection, the lower end of the movable rod is fixedly connected with a protective sleeve, and the lower end of the protective sleeve is sleeved on the outer side of the fixed rod and is in sliding connection with the fixed rod.

Preferably, the handle is sleeved with an elastic sleeve, and the elastic sleeve is made of sponge materials.

Compared with the prior art, the utility model has the following beneficial effects:

According to the device, the rack is driven by the driving gear to adjust the height of the support rod, the tightening wheel is rotated to change the winding number of the rope belt on the tightening wheel to adjust the inclination angle of the support rod, the device can be matched with the height of a user through matching of the tightening wheel and the tightening wheel, and the support rod is increased to be horizontally away from the pedal, so that the user can keep a correct training posture of straightening waist and abdomen and slightly bending over.

According to the utility model, the driven gear is meshed with the driving gear to be in transmission connection, so that the height of the support rod is related to the inclination angle of the support rod, a user does not need to independently adjust the support rod, the height of the support rod and the angle of the support rod can be fully ensured to be matched with the height of the user only by single adjustment, and the operation burden of the user can be effectively reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the relationship between the pedal and the fixed rod according to the present utility model;

FIG. 3 is a schematic view of the connection of the pinch roller and the fixed rod of the present utility model;

FIG. 4 is a schematic diagram of the relationship between the belt and the rack according to the present utility model;

FIG. 5 is a schematic diagram showing the cooperation of the driven gear and the driving gear

FIG. 6 is a schematic diagram illustrating the cooperation between a limiting block and a limiting gear according to the present utility model;

FIG. 7 is a schematic view of the sleeve and inner rod mating of the present utility model;

fig. 8 is a schematic diagram showing the connection of the rope belt and the support rod according to the present utility model.

In the figure: 1. a grip; 2. a support rod; 3. a movable rod; 4. a protective sleeve; 5. a fixed rod; 6. positioning a shaft; 7. a pedal; 8. a bottom plate; 9. an elastic sleeve; 10. a connecting rod; 11. a pinch roller; 12. a bearing; 13. a rotating member; 14. a rope belt; 15. a rack; 16. a driven gear; 17. a drive gear; 18. a follower gear; 19. a transmission rod; 20. a follower lever; 21. a limit gear; 22. an inner rod; 23. compression spring II; 24. a limiting block; 25. a slide rail; 26. a sleeve; 27. compression spring I; 28. and (5) positioning blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-8, a household stepper with auxiliary support rods is similar to the structure of a traditional stepper, the device comprises a bottom plate 8, the front side and the rear side of the upper end of the bottom plate 8 are respectively fixedly connected with a positioning shaft 6 through connecting rods 10, a pedal 7 is sleeved on the positioning shaft 6 so that the pedal 7 can rotate relative to the bottom plate 8, meanwhile, a certain gap exists between the pedal 7 and the bottom plate 8 through the connecting rods 10, and accordingly, a corresponding resistance mechanism (not shown in the device) is arranged to support the pedal 7, so that a user can tread the pedal 7 to swing up and down relative to the bottom plate 8, and at the moment, running and stair climbing can be simulated to realize the purpose of physical exercise for a user at home.

Different from the traditional mechanism, the device is also provided with the dead lever 5 at the upper end of the bottom plate 8, and the position of the dead lever 5 and the position of the pedal 7 are respectively positioned at the left side and the right side of the positioning shaft 6, so that a user can grasp the handle 1 positioned above the dead lever 5 to stabilize the body and keep the movement posture to be correct in practice, and simultaneously, the user treads on the pedal 7 with feet, and the user holds the handle 1 with hands to make the device in a two-force balance state, so that the overall stability of the device is maintained.

Specifically, the upper end of dead lever 5 is provided with movable rod 3, and movable rod 3 upper end rotates and is connected with bracing piece 2, and handle 1 quantity is two, thereby two handles 1 divide into with movable rod 3 front and back both ends fixed connection corresponding user double hand holds.

Meanwhile, the design structure that the movable rod 3 is separated from the fixed rod 5 enables the height of the grip 1 to be matched with the height of a user by changing the distance between the fixed rod 5 and the movable rod 3.

Specifically, the fixed rod 5 is rotationally connected with a driving gear 17, one side of the driving gear 17 is provided with a rack 15, the upper end of the rack 15 is fixedly connected with the movable rod 3, and the rack 15 is slidably connected with the fixed rod 5 so as to change and control the height of the movable rod 3 by rotating the driving gear 17. In practice, the sliding connection between the rack 15 and the fixed rod 5 can be realized by forming a sliding groove in the fixed rod 5.

Furthermore, the number of the driving gears 17 is two, the two driving gears 17 are arranged front and back, and a transmission rod 19 is fixedly connected between the two driving gears 17, so that the number of the racks 15 can be two, the number of the supporting points of the movable rod 3 by the device is increased, and the movable rod 3 can be kept stable under the condition of heavy pressure.

Furthermore, the front side of the driving gear 17 is coaxially and fixedly connected with a driving shaft, a through hole I is formed in the fixing rod 5 for the driving shaft, the front end of the driving shaft penetrates through the through hole I and is fixedly connected with the rotating member 13, and therefore a user can control the driving gear 17 to rotate to control the height of the movable rod 3 through the rotating member 13.

Furthermore, in order to ensure that the height of the movable rod 3 can be fixed, the driving gear 17 is required to rotate only when needed, so that the device is respectively connected with a follower gear 18 in a meshed transmission manner at the lower sides of the two driving gears 17, and a follower rod 20 is fixedly connected between the two follower gears 18 together, so that synchronous rotation between the two follower gears 18 is further realized through the follower rod 20.

The follow-up rod 20 is sleeved with the limit gear 21, the inner rod 22 is arranged below the limit gear 21, the limit block 24 is fixedly connected to the inner rod 22, and when the limit block 24 and the limit gear 21 are positioned on the same vertical plane, the limit block 24 is in meshed transmission connection with the limit gear 21, and at the moment, the limit gear 21 can be restrained from rotating through the limit block 24, and further the drive gear 17 can be restrained from rotating.

Further, a sleeve 26 is disposed in the fixed rod 5, one axial end of the sleeve 26 is abutted against the fixed rod 5, the inner rod 22 is inserted into the other axial end of the sleeve 26, a through hole II is formed in the fixed rod 5 for the inner rod 22, and the front end of the inner rod 22 extends out of the fixed rod 5 through the through hole II, so that the moving process of the inner rod 22 in the fixed rod 5 can be realized, and the position of the limiting block 24 is changed to control whether the limiting block 24 is in meshed transmission connection with the limiting gear 21.

Furthermore, a compression spring i 27 is coaxially disposed in the sleeve 26, one axial end of the compression spring i 27 is fixedly connected with the sleeve 26, the other axial end of the compression spring i 27 is fixedly connected with the inner rod 22, and when the compression spring i 27 is not affected by external force, the limiting block 24 and the limiting gear 21 are located on the same vertical plane by restraining the length of the compression spring i 27, namely, the device can ensure that the position of the movable rod 3 cannot be moved at will under normal conditions.

Furthermore, the slide rail 25 is fixedly connected in the fixed rod 5, and the sleeve 26 is inserted into the slide rail 25 to realize the purpose that the sleeve 26, the inner rod 22 and the limiting block 24 can do up-down linear motion relative to the fixed rod 5 and the driving gear 17.

It should be emphasized that in practice, the compression spring i 27 may be present to restrict the rotation of the inner rod 22, so as to ensure that the inner rod 22, i.e. the stopper 24, cannot rotate relative to the limiting gear 21. Meanwhile, it is also emphasized that in practice, the restraining process for the rotational tendency of the inner rod 22 can be completely implemented by restraining the longitudinal section of the inner rod 22 from being non-circular.

The structure of the limit gear 21 and the ratchet gear enables the limit gear 21, i.e. the driving gear 17, to rotate in a single direction even though the limit block 24 and the limit gear 21 are in the same vertical plane in practice. The device can reduce the operation times of users by restraining the rotation direction of the driving gear 17 to be the rotation direction of the driving rack 15 moving upwards and matching with gravity, and meanwhile, the height of the movable rod 3 can be ensured to be fixed.

It should be emphasized that, because the movable rod 3 and the fixed rod 5 are in a completely vertical posture, the distance between the movable rod 3 and the fixed rod 5 can be adjusted to control the height of the handle 1 to be matched with the height of the user, and the arm lengths of users with different heights are different, so that the angles between the corresponding support rods 2 and the vertical plane of users with different heights are different under the condition of keeping the waist straight and slightly inclining the upper body.

Specifically, the fixed rod 5 is rotationally connected with a front-back axial tightening wheel 11, a rope belt 14 is wound on the tightening wheel 11, one end of the rope belt 14 is fixedly connected with the tightening wheel 11, the other end of the rope belt 14 is fixedly connected with the support rod 2, the length of the rope belt 14 between the tightening wheel 11 and the support rod 2 can be changed by changing the number of the rope belts 14 wound on the tightening wheel 11, and therefore the purpose of controlling the inclination angle of the support rod 2 is achieved.

Furthermore, in order to reduce the operation steps of users, the height of the support rod 2 is matched with the inclination angle of the support rod 2 by users with ordinary stature, the device is fixedly connected with driven gears 16 at the front and rear axial ends of the tightening wheel 11 respectively, and the height of the support rod 2 can be related with the inclination angle of the support rod 2 by the meshed transmission connection of the driven gears 16 and the driving gears 17.

Furthermore, in order to ensure that the height of the support rod 2 and the inclination angle of the support rod 2 can be matched with a conventional figure user, therefore, the device controls the transmission ratio between the drive gear 17 and the driven gear 16 by restraining the diameter of the drive gear 17 and the diameter of the driven gear 16 and restraining the number of teeth of the die fixedly connected with the drive gear and the driven gear, and reduces the influence of the change of the rope 14 between the support rod 2 and the movable rod 3 on the inclination angle of the support rod 2 by fixedly connecting the rope 14 and the support rod 2 at one end far away from the movable rod 3, so that the ratio between the change of the height of the support rod 2 and the change of the angle is reasonably controlled.

Furthermore, the rope belt 14 is fixedly connected with the middle part of one end of the support rod 2 far away from the movable rod 3, and is matched with the positioning block 28 with the inside fixedly connected with the support rod 2, and the longitudinal section is of a semicircular structure, and the rope belt 14 is abutted with the limiting block 24, so that the rope belt 14 is not contacted with the movable rod 3 and the support rod 2, the abrasion of the rope belt 14 is reduced, and the service life of the device is prolonged.

Specifically, the far-away ends of the two driving gears 17, the far-away ends of the two driven gears 16 and the far-away ends of the two driven gears 18 are respectively connected with the fixed rod 5 in a rotating way through bearings 12. Thereby realizing the driving gear 17 and the driven gear 16 by the bearing 12. The follower gear 18 is defined in height and is capable of being rotatably connected to the fixed lever 5.

Furthermore, the lower end of the movable rod 3 is fixedly connected with the protective sleeve 4, the upper end and the lower end of the protective sleeve 4 are respectively sleeved on the outer sides of the movable rod 3 and the fixed rod 5 by restraining the movable rod 3 and the fixed rod 5 to be completely overlapped in horizontal plane projection, the protective sleeve 4 is in sliding connection with the fixed rod 5, the protective sleeve 4 can be utilized to shield a gap between the movable rod 3 and the fixed rod 5, shielding protection of the rack 15 is achieved, and meanwhile, the gap between the movable rod 3 and the fixed rod 5 is prevented from being clamped by a user.

Furthermore, the elastic sleeve 9 is sleeved on the grip 1, and the elastic sleeve 9 is made of sponge material, so that the use experience of a user is optimized.

The utility model is in the actual use process:

Firstly, determining whether the height of a user is matched with the initial height of the device, if the height of the supporting rod 2 needs to be raised, rotating the rotating piece 13, at the moment, driving the driven gear 17 to drive the driven gear 18 and the driven gear 16 to rotate, and at the moment, along with the rotation of the limiting gear 21, driving the inner rod 22 and the sleeve 26 to continuously perform up-down linear motion in the sliding rail 25 by the limiting block 24;

then, as the driving gear 17 rotates, the height of the movable rod 3 is continuously raised, as the driven gear 16 rotates, the included angle between the supporting rod 2 and the vertical plane is gradually increased, and when the height of a user is matched with the height after the device is adjusted, the rotating part 13 stops rotating;

Finally, the user stands on the pedal 7, whether the adjusted height is matched with the height of the user is further checked, if the height of the supporting rod 2 is lower than the height of the user, the steps are repeated, if the height of the supporting rod 2 is higher than the height of the user, the inner rod 22 is pressed first to enable the limiting block 24 to be separated from the meshing state with the limiting gear 21, at the moment, under the influence of gravity, the movable rod 3 automatically falls down, and when the movable rod 3 moves to a proper position, the pushing force on the inner rod 22 is released.

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

Claims

1. The utility model provides a domestic treadmill with auxiliary stay, includes bottom plate (8), both sides are respectively through connecting rod (10) fixedly connected with location axle (6) around bottom plate (8) upper end, and the cover is equipped with footboard (7), its characterized in that on location axle (6): the upper end of the bottom plate (8) is provided with a fixed rod (5), the fixed rod (5) and the pedal (7) are respectively positioned at the left side and the right side of the positioning shaft (6), the upper end of the fixed rod (5) is provided with a movable rod (3), the upper end of the movable rod (3) is rotationally connected with a supporting rod (2), and the front side and the rear side of the upper end of the supporting rod (2) are respectively fixedly connected with a grip (1);

The inside of the fixed rod (5) is rotationally connected with a front-back axial tightening wheel (11), a rope belt (14) is wound on the side end surface of the tightening wheel (11), one end of the rope belt (14) is fixedly connected with the tightening wheel (11), and the other end of the rope belt (14) is fixedly connected with the supporting rod (2);

The inside of the fixed rod (5) is rotationally connected with a front-back axial driving gear (17), one side of the driving gear (17) is in meshed transmission connection with a rack (15), the upper end of the rack (15) is fixedly connected with the movable rod (3), and the rack (15) is in sliding connection with the fixed rod (5);

The axial end of the tightening wheel (11) is coaxially and fixedly connected with a driven gear (16), and the driven gear (16) is in meshed transmission connection with a driving gear (17);

The driving gear (17) is coaxially and fixedly connected with a driving shaft at the front side, a through hole I is formed in the fixing rod (5) aiming at the driving shaft, and the front end of the driving shaft penetrates through the through hole I and is fixedly connected with a rotating piece (13).

2. A home treadmill with auxiliary support bar as set forth in claim 1, wherein: the number of the driving gears (17) is two, the adjacent ends of the two driving gears (17) are coaxially and fixedly connected with transmission rods (19), the two axial ends of the tightening wheel (11) are respectively and fixedly connected with a driven gear (16), and the driven gears (16) are in meshed transmission connection with the driving gears (17) at the corresponding positions.

3. A home treadmill with auxiliary support bar as set forth in claim 2, wherein: a sliding rail (25) is arranged in the fixed rod (5), a front-back axial sleeve (26) is inserted in the sliding rail (25), an inner rod (22) is inserted in the sleeve (26), a through hole II is formed in the fixed rod (5) aiming at the inner rod (22), and the front end of the inner rod (22) penetrates through the through hole II and extends out of the fixed rod (5);

The lower sides of the two driving gears (17) are respectively connected with a follow-up gear (18) in a meshed transmission manner, a follow-up rod (20) is fixedly connected between the two follow-up gears (18), a limit gear (21) is sleeved on the follow-up rod (20), a limit block (24) is fixedly connected on the inner rod (22), and when the limit block (24) and the limit gear (21) are positioned on the same vertical plane, the limit block (24) is connected with the limit gear (21) in a meshed transmission manner.

4. A home treadmill with auxiliary support bar as set forth in claim 3, wherein: compression spring I (27) is coaxially arranged in sleeve (26), one axial end of compression spring I (27) is fixedly connected with sleeve (26), the other axial end of compression spring I (27) is fixedly connected with inner rod (22), and when compression spring I (27) is not influenced by external force, limiting block (24) and limiting gear (21) are located on the same vertical plane.

5. A home treadmill with auxiliary support bar as set forth in claim 3, wherein: a compression spring II (23) in the vertical axial direction is arranged in the sliding rail (25), and the upper end surface of the compression spring II (23) is fixedly connected with a sleeve (26);

The limiting gear (21) is of a ratchet gear structure, and the upper end of the limiting block (24) is provided with corresponding pawls for the limiting gear (21).

6. A home treadmill with auxiliary support bar as set forth in claim 3, wherein: the far-away ends of the two driving gears (17), the far-away ends of the two driven gears (16) and the far-away ends of the two driven gears (18) are respectively connected with the fixed rod (5) in a rotating way through bearings (12).

7. A home treadmill with auxiliary support bar as set forth in claim 1, wherein: the diameter of the driven gear (16) is smaller than that of the driving gear (17), and the rope belt (14) is fixedly connected with one end, far away from the movable rod (3), of the supporting rod (2).

8. A home treadmill with auxiliary support bar as set forth in claim 1, wherein: the rope belt (14) is fixedly connected with the middle part of one end, far away from the movable rod (3), of the supporting rod (2), a positioning block (28) with a semicircular longitudinal section is fixedly connected inside the supporting rod (2), the rope belt (14) is abutted with the limiting block (24), and the rope belt (14) is not contacted with the movable rod (3) and the supporting rod (2).

9. A home treadmill with auxiliary support bar as set forth in claim 1, wherein: the movable rod (3) and the fixed rod (5) are completely overlapped in the horizontal plane projection, the lower end of the movable rod (3) is fixedly connected with a protective sleeve (4), and the lower end of the protective sleeve (4) is sleeved on the outer side of the fixed rod (5) and is in sliding connection with the fixed rod (5).

10. A home treadmill with auxiliary support bar as set forth in claim 1, wherein: an elastic sleeve (9) is sleeved on the handle (1), and the elastic sleeve (9) is made of sponge materials.