CN108310722B

CN108310722B - Improved running machine

Info

Publication number: CN108310722B
Application number: CN201810361365.5A
Authority: CN
Inventors: 郑学增; 邱志祺; 郑新; 王婕; 刘昊馨
Original assignee: North China University of Science and Technology
Current assignee: North China University of Science and Technology
Priority date: 2018-05-09
Filing date: 2018-05-09
Publication date: 2023-04-25
Anticipated expiration: 2038-05-09
Also published as: CN108310722A

Abstract

The utility model discloses an improved running machine which comprises an underframe, a transmission shaft, an annular notch and a first ring, wherein the outer side of the first ring is fixedly connected with a second ring, the second ring is fixed on the outer side of the transmission shaft through a fixing bolt, a first groove is formed in the outer cylindrical surface of the first ring, an annular cavity is connected to the inner side of the first groove, a plurality of through holes are formed in the outer side of the annular cavity, a first tooth part is fixed on the outer cylindrical surface of the first ring, a plurality of second supports which are annularly arranged are connected to the outer cylindrical surface of the first ring, a positioning wheel is arranged on the inner side wheelbase of the second support, a running belt is sleeved on the outer sides of the two transmission shafts, two ends of the running belt are respectively connected with a belt, a second tooth part is fixed on the inner side of the belt, a convex rib is arranged in the first groove, and the first tooth part and the second tooth part are meshed with each other. The utility model can improve the defects of the prior art and ensure that the running belt cannot slip or deviate in running.

Description

Improved running machine

Technical Field

The utility model relates to fitness equipment, in particular to an improved running machine.

Background

The running machine is a stock exercise device for families and gymnasiums, is the simplest of the current family exercise devices, and is the best choice of the family exercise device. Chinese patent No. CN 207024487U discloses a running machine. The running machine with the structure utilizes the motor and the driving belt to drive the rotating wheel, and then the rotating wheel drives the running belt to rotate, so that a user can smoothly run, but the running belt of the running machine with the structure is easy to deviate and skid, thereby limiting the application range of the running machine.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an improved running machine, which can solve the defects of the prior art and can ensure that a running belt cannot skid and deviate in running.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.

The utility model provides an improved running machine, includes the chassis, the both ends of chassis are connected with the transmission shaft through the axostylus axostyle, annular breach has been seted up respectively at the both ends of transmission shaft, annular breach endotheca is equipped with first ring, the outside fixedly connected with second ring of first ring, the outside at the transmission shaft is fixed through fixing bolt to the second ring, first recess has been seted up on the outside cylinder of first ring, the inboard of first recess is connected with annular cavity, a plurality of through-hole has been seted up in the outside of annular cavity, be fixed with first tooth portion on the outside cylinder of first ring, be connected with the second support that a plurality of annular was arranged on the outside cylinder of first ring, the inboard wheelbase of second support has the locating wheel, the outside cover of two transmission shafts is equipped with the race area, the both ends of race area are connected with the belt respectively, the inboard of belt is fixed with the second tooth portion, the inboard of belt is connected with the bead, the bead is located first recess, first tooth portion and second tooth portion intermeshing.

Preferably, one side of the chassis is connected with a handrail through a first bracket.

Preferably, the running belt is also provided with a footprint mark.

Preferably, the inner side of the running belt is also connected with Teflon cloth.

Preferably, a second groove is formed in the inner side of the belt, and the running belt is located in the second groove.

The beneficial effects brought by adopting the technical scheme are as follows: the chassis is characterized in that the front side and the rear side of the chassis are used for connecting a fixed shaft rod and a transmission shaft, the two transmission shafts are used for sleeving a running belt, the transmission shaft at the front side is a driving shaft and used for being connected with a motor, the transmission shaft at the rear side is a driven shaft, the running belt is used for running above by a person, the belt is mutually connected with the running belt, the running belt and the belt are driven by the transmission shaft to rotate, an annular notch on the transmission shaft is used for sleeving a first annular ring, a second annular ring which is fixed with the transmission shaft through a fixing bolt is used for fixing the first annular ring. Through the handrail of first leg joint, the safety when can guaranteeing the people running, the footprint of running the area marks, can indicate the running position that personnel should, thereby guarantee that personnel run in the middle part of running the area, prevent that personnel from running in one side for a long time and causing the running area atress uneven, running area inboard special fluorine dragon cloth, can reduce running area inboard and chassis between, the inboard frictional force of people running position promptly, prevent the card is dead, the inboard second recess of belt, be used for placing and fixed running area, the mode of this kind of inserting is fixed or viscose is fixed with adoption suture that can be very easy, it is more convenient to make the equipment.

Drawings

Fig. 1 is a block diagram of one embodiment of the present utility model.

Fig. 2 is a top view of a running belt according to an embodiment of the present utility model.

Fig. 3 is an enlarged view of the portion a of fig. 2 according to an embodiment of the present utility model.

Fig. 4 is a block diagram of the outer surface of the first loop in one embodiment of the present utility model.

Fig. 5 is a block diagram of the inner side of the running belt in one embodiment of the present utility model.

Fig. 6 is a block diagram of a hollow annulus in accordance with one embodiment of the present utility model.

In the figure: 1. a chassis; 2. a first bracket; 3. a transmission shaft; 4. an armrest; 5. a running belt; 6. a shaft lever; 7. a first loop; 8. a second bracket; 9. a positioning wheel; 10. a second loop; 11. a fixing bolt; 12. a first groove; 13. a belt; 14. a second groove; 15. marking the footprint; 16. a rib; 17. a hollow ring sleeve; 18. a spring; 19. a gasket; 20. a ball; 21. teflon cloth; 22. a first tooth portion; 23. a second tooth portion; 24. a gap; 25. an annular cavity; 26. a through hole; 27. an annular gap.

Detailed Description

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, and the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and the detailed description is omitted.

Referring to fig. 1-6, a specific embodiment of the present utility model includes a chassis 1, two ends of the chassis 1 are connected with a transmission shaft 3 through a shaft rod 6, two ends of the transmission shaft 3 are respectively provided with an annular gap 27, a first ring 7 is sleeved in the annular gap 27, a second ring 10 is fixedly connected to the outer side of the first ring 7, the second ring 10 is fixed to the outer side of the transmission shaft 3 through a fixing bolt 11, a first groove 12 is formed on an outer cylindrical surface of the first ring 7, an annular cavity 25 is connected to the inner side of the first groove 12, a plurality of through holes 26 are formed on the outer side of the annular cavity 25, a first tooth 22 is fixed to the outer cylindrical surface of the first ring 7, a plurality of second supports 8 which are annularly arranged are connected to the outer cylindrical surface of the first ring 7, a positioning wheel 9 is sleeved on an inner side of the second support 8, a running belt 5 is sleeved on the outer side of the two transmission shafts 3, two ends of the running belt 5 are respectively connected with a belt 13, a second tooth 23 is fixed to the inner side of the belt 13, ribs 16 are connected to the inner sides of the

belt

13, 16 are located in the first groove 12, and the first tooth 22 and the second tooth 23 are meshed with the second rib 23. The chassis 1 of the utility model, its front and back both sides are used for connecting fixed shaft lever 6 and drive shaft 3, two drive shafts 3 are used for sleeving and setting up the running belt 5, wherein the drive shaft 3 of the front side is the driving shaft, used for connecting with electrical machinery, the rear drive shaft 3 is the driven shaft, the running belt 5 is used for the personnel to run above it, the belt 13 interconnects with running belt 5, drive through the drive of drive shaft 3, drive the running belt 5 and rotation of belt 13, annular notch 27 on the drive shaft 3, used for sleeving and setting up the first annular ring 7, the second annular ring 10 fixed with drive shaft 3 through the fixing bolt 11, used for fixing the first annular ring 7, the first annular ring 7 and belt 13 of the utility model adopts the rubber or plastic material, thus can increase the friction of the interface, and through the mutual meshed relation of first tooth 22 and second tooth 23, prevent that the belt from skidding, first recess 12 is used for filling in bead 16 of belt 13, through both limit relation, prevent the belt off tracking when the transmission, the locating wheel 9 of connecting through second support 8, can further restrict the position of belt 13 from the outside, further prevent the belt off tracking, further, the inboard annular cavity 25 of first recess 12, inside holds lubricating oil, through the rotation of belt 13, lubricating oil can permeate the contact position of first recess 12 and bead 16 through hole 26, provide certain lubrication characteristic, guarantee that bead 16 can more smoothly enter into in the first recess 12 during the transmission, thereby running belt and belt can not skid and off tracking when guaranteeing the transmission through many aspects structure, promote the use and experience. One side of the chassis 1 is connected with an armrest 4 through a first bracket 2. The handrail 4 connected through the first support 2 can guarantee the safety of people when running, still draw the footprint mark 15 on the race belt 5. The footprint mark 15 of the running belt 5 can prompt the running position of personnel, thereby ensuring that the personnel runs in the middle of the running belt 5, preventing the personnel from running on one side for a long time to cause uneven stress of the running belt 5, and the inner side of the running belt 5 is also connected with Teflon cloth 21. The Teflon cloth 21 on the inner side of the running belt 5 can reduce the friction between the inner side of the running belt 5 and the underframe 1, namely the inner side of the running part of a person, so as to prevent the clamping, the inner side of the belt 13 is provided with a second groove 14, and the running belt 5 is positioned in the second groove 14. The second groove 14 on the inner side of the belt 13 is used for placing and fixing the running belt 5, and the inserting mode can be easily fixed by adopting a suture or an adhesive, so that the assembly is more convenient.

In addition, still overlap to be equipped with hollow ring cover 17 in the inboard of annular breach 27, hollow ring cover 17 internally connected with the spring 18 of a plurality of annular range, the outside of spring 18 is connected with gasket 19, and the outside of gasket 19 is connected with ball 20, and ball 20 stretches out hollow ring cover 17, be provided with clearance 24 between teflon cloth 21 and the belt 13, ball 20 is located clearance 24, and ball 20 and race area contact each other, through above-mentioned device, hollow ring cover 17 inside holds lubricating grease, when transmission shaft 3 drive race area 5 and belt 13 rotate, ball 20 can contact each other with the inboard of race area 5, make ball 20 roll, thereby can drive the lubricating oil in the hollow ring cover 17, along with the transmission in progress, lubricating grease can gradually permeate to the position of the contact of belt 5 and first ring 7, and further permeate lubricating grease to the contact position of first recess 12 and bead 16, further promote lubricating characteristic, guarantee that bead 16 can more smoothly get into in the first recess 12 during the transmission.

Among them, the devices such as the chassis and the transmission shaft used in the present utility model are fully disclosed in the patent literature cited in the background art, and the specific structure thereof is not described in detail herein.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "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 do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an improved treadmill, includes chassis (1), and the both ends of chassis (1) are connected with transmission shaft (3) through axostylus axostyle (6), its characterized in that: annular gaps (27) are respectively formed in the two ends of the transmission shaft (3), a first ring (7) is sleeved in the annular gaps (27), a second ring (10) is fixedly connected to the outer side of the first ring (7), the second ring (10) is fixed to the outer side of the transmission shaft (3) through fixing bolts (11), a first groove (12) is formed in the outer cylindrical surface of the first ring (7), an annular cavity (25) is connected to the inner side of the first groove (12), a plurality of through holes (26) are formed in the outer side of the annular cavity (25), a first tooth part (22) is fixed to the outer cylindrical surface of the first ring (7), a plurality of second supports (8) which are annularly arranged are connected to the outer cylindrical surface of the first ring (7), positioning wheels (9) are arranged on the inner side wheelbase of the second supports (8), a belt (5) is sleeved on the outer side of the two transmission shafts (3), a belt (13) is respectively connected to the two ends of the belt (5), a second tooth part (23) is fixedly arranged on the inner side of the belt (13), a first tooth part (16) is connected to the inner side of the belt (13), a plurality of tooth parts (16) are meshed with the first tooth parts (22) and the first tooth parts (23) are meshed with the second tooth parts (22). The inside of annular breach (27) still overlaps and is equipped with hollow ring cover (17), and hollow ring cover (17) internally connected has spring (18) of a plurality of annular range, and the outside of spring (18) is connected with gasket (19), and the outside of gasket (19) is connected with ball (20), and ball (20) stretch out hollow ring cover (17), the inboard of running area (5) still is connected with Teflon cloth (21), be provided with clearance (24) between Teflon cloth (21) and belt (13), ball (20) are located clearance (24), ball (20) and running area contact each other.

2. The improved treadmill of claim 1, wherein: one side of the underframe (1) is connected with an armrest (4) through a first bracket (2).

3. The improved treadmill of claim 1, wherein: the running belt (5) is also provided with a footprint mark (15).

4. The improved treadmill of claim 1, wherein: the second groove (14) is formed in the inner side of the belt (13), and the running belt (5) is located in the second groove (14).