CN213374946U

CN213374946U - Running machine

Info

Publication number: CN213374946U
Application number: CN202022046033.3U
Authority: CN
Inventors: 任杨杰
Original assignee: Xiamen Renhe Sports Equipment Co ltd
Current assignee: Xiamen Renhe Sports Equipment Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-06-08
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a treadmill relates to sport equipment technical field, and its technical scheme main points are: including the frame and locate two carry over pinch rolls at frame both ends, around being equipped with the area of running between two carry over pinch rolls, the both ends of one of them carry over pinch roll are connected with two driving motor respectively, driving motor passes through the conveyer belt and is connected with the carry over pinch roll, mobilizable installation pinch roller in the frame, the week side of pinch roller rotates the laminating on the conveyer belt outer wall, and the pinch roller is connected with and is used for providing the elastic linkage piece of the elasticity towards the conveyer belt direction for the pinch roller, when the pinch roller activity, elastic linkage piece produces elasticity and promotes the pinch roller and contradict the laminating all the time on the conveyer belt outer wall. The utility model discloses simple structure, the treadmill is frivolous, reduces the volume that occupies in the transportation to can adjust the conveyer belt tensioning by oneself when the conveyer belt is not hard up, thereby guarantee that driving motor's power take off is stable, guarantee that drive power size is stable, improve the travelling comfort of running.

Description

Running machine

Technical Field

The utility model relates to the technical field of fitness equipment, more specifically say, it relates to a treadmill.

Background

The treadmill is a body-building apparatus which is always provided for families and gymnasiums, is the simplest one of the current family body-building apparatuses, and is the best choice of the family body-building apparatus. In the existing running machine, a motor is arranged at one end of a table top of the running machine, a front roller and a rear roller are respectively connected with two ends of the table top in a rotating way, a running belt is wound on the front roller and the rear roller to form closed-loop rotation, the running belt is driven by a single roller, or driven by the front roller, or driven by the rear roller, and two motors are usually adopted for improving power.

If the Chinese patent with the publication number of CN202223818U and publication date of 2012.05.23 discloses a dual-power treadmill, which comprises a front roller and a rear roller, wherein the front roller or the rear roller is connected with two driving motors, two ends of the front roller or the rear roller are respectively provided with a roller belt pulley, and the two roller belt pulleys are respectively connected with motor belt pulleys of the driving motors through a conveyor belt.

The belt pulley is driven to rotate by the driving motor, the roller belt pulley is driven to rotate by the conveying belt, the front roller or the rear roller is driven to rotate, and the two driving motors are used for outputting power together to enable the running machine to run stably. However, the transmission belt may loosen due to long-term matching with the belt pulley, and the transmission belt cannot be automatically adjusted to be tensioned, so that the power output of the driving motor is not in place, and the driving force is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a treadmill can adjust the conveyer belt tensioning by oneself when the conveyer belt is not hard up to guarantee that driving motor's power take off is stable, guarantee that drive power size is stable, improve the travelling comfort of running.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a treadmill, includes the frame and locates two carry over pinch rolls at frame both ends, two around being equipped with the area of running between the carry over pinch roll, one of them the carry over pinch roll is connected with driving motor, driving motor passes through the conveyer belt and is connected with the carry over pinch roll, mobilizable installation pinch roller in the frame, the week side of pinch roller rotates laminates on the conveyer belt outer wall, just the pinch roller is connected with and is used for providing the elasticity's that moves towards the conveyer belt direction elasticity elastic linkage spare for the pinch roller, when the pinch roller activity, elastic linkage spare produces elasticity and promotes the pinch roller and contradict the laminating all the time on the conveyer belt outer wall.

Further setting: the elastic linkage piece comprises a linkage block arranged on the rack in a rotating mode, a tension spring connected with one end of the linkage block and a fixing piece fixed on the rack, the fixing piece is arranged above or below the linkage block, one end, far away from the linkage block, of the tension spring is connected to the fixing piece, one end, far away from the tension spring, of the linkage block is provided with a mounting hole, and a rotating shaft of the pinch roller is rotatably arranged on the mounting hole.

Further setting: the linkage block comprises a rotating sleeve ring which is rotatably connected to the rack and connecting arms which are fixed on two sides of the rotating sleeve ring, the connecting arms are respectively connected to the tension spring and the pinch roller, and the included angle between the connecting arms is an obtuse angle.

Further setting: the linkage block is provided with a hook hole at one end far away from the mounting hole, the fixing piece is provided with a fixing hole, and two ends of the tension spring are respectively connected to the hook hole and the fixing hole in a hanging mode.

Further setting: two driving motors are symmetrically arranged and are respectively connected to two ends of the same traction roller, and two pinch rollers and two elastic linkage pieces are arranged corresponding to the driving motors one by one.

Further setting: and a control chip for controlling the two driving motors to synchronously rotate is arranged in the rack, and the two driving motors are connected and controlled on the control chip.

Further setting: the output shafts of the two driving motors are coaxially arranged, and the sizes of the models of the two driving motors are consistent.

Further setting: the frame is provided with a containing groove used for containing a driving motor, a motor fixing frame is installed on the groove wall of the containing groove, and the driving motor is installed on the motor fixing frame.

Further setting: the motor mount includes that one end is installed in the installation piece at holding tank top and the suit frame of being connected with the installation piece, the one end that the installation piece was kept away from to the suit frame upwards extends in order to form the mounting groove, driving motor installs in the mounting groove.

Further setting: the protective housing is installed to the position department that the frame is located and holds the groove, the protective housing is including epitheca and the inferior valve that from top to bottom sets gradually, the inferior valve is installed in the frame, the setting can be dismantled with the inferior valve to the epitheca.

By adopting the technical scheme, the utility model discloses relative prior art compares, has following advantage:

1. the belt pressing wheel is used for pressing the conveying belt, so that the conveying belt can be tensioned, the power output stability of the driving motor is ensured, the driving force is ensured to be stable, and the running comfort is improved;

2. the pinch roller is movably arranged to be matched with the elastic linkage piece, so that when the conveying belt is loosened, the elastic linkage piece is used for providing elastic force to enable the pinch roller to press down the conveying belt, the tension of the conveying belt is automatically adjusted, the driving force is stable, and the running comfort is improved;

3. by adopting the matching of the linkage block and the tension spring, when the belt pressing wheel is pushed to move due to the loosening of the conveyor belt, the linkage block is moved to drive the tension spring to generate reset elasticity, so that the tension of the conveyor belt can be adjusted automatically, and the belt pressing device is convenient and quick;

4. by adopting the two driving motors and combining the control of the control chip, the output power of the two driving motors can be ensured to be consistent, so that the load of a single driving motor is reduced, the same driving force is provided for the two ends of the traction roller, the moving stability of the running belt is improved, and the running comfort is improved;

5. through the motor mount that sets up, make things convenient for driving motor's installation to simple structure, the treadmill is frivolous, reduces the volume that occupies in the transportation, improves the convenience of installation use.

Drawings

FIG. 1 is a schematic structural view of a treadmill;

FIG. 2 is a schematic view of a portion of the treadmill hidden protective shell in a top view;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2 viewed from below;

FIG. 4 is a schematic view of the treadmill with the frame hidden at the two sides of the driving motor;

fig. 5 is an enlarged schematic view of a portion a of fig. 4.

In the figure: 1. a frame; 2. a traction roller; 3. a running belt; 4. a drive motor; 5. a conveyor belt; 6. a pinch roller; 7. a resilient linkage; 71. a linkage block; 711. mounting holes; 712. rotating the lantern ring; 713. a connecting arm; 714. a hook hole; 72. a tension spring; 73. a fixing sheet; 731. a fixing hole; 8. a control chip; 9. a motor fixing frame; 91. mounting a sheet; 92. sleeving a frame; 10. a protective shell; 101. an upper shell; 102. a lower case; 11. support the feet.

Detailed Description

The treadmill will be further described with reference to fig. 1 to 5.

A treadmill, as shown in figure 1, includes frame 1 and two carry over pinch rolls 2 of locating frame 1 both ends, around being equipped with the area of running 3 between two carry over pinch rolls 2, is driven by carry over pinch rolls 2 and runs the area of running 3 and remove, and a plurality of supporting legs 11 is installed to frame 1 bottom to provide stable support.

As shown in figure 2, one of the traction rollers 2 is connected with a driving motor 4, the driving motor 4 is connected with the traction roller 2 through a conveyor belt 5, the two driving motors 4 are symmetrically arranged, and the two driving motors 4 are respectively connected to two ends of the same traction roller 2, so that two coaxial driving forces of the traction roller 2 are provided, the running machine stably runs, the load of the motor is reduced, and the service life of the motor is prolonged. The output shafts of the two driving motors 4 are coaxial and deviate from each other, and the model specifications of the two driving motors 4 are consistent, so that consistent driving force is provided for the two ends of the traction roller 2, and the running machine can run stably.

As shown in fig. 2, further, a control chip 8 for controlling the synchronous rotation of the two driving motors 4 is installed in the frame 1, the two driving motors 4 are connected and controlled by the control chip 8, the control chip 8 controls the voltage and the current output to the two driving motors 4 to be consistent, so that the two driving motors 4 can synchronously rotate, the driving force of the two driving motors 4 is consistent, the traction roller 2 can stably rotate, and the running stability of the running machine is improved.

As shown in fig. 2 and 3, a holding groove for holding the driving motor 4 is formed in the frame 1, a motor fixing frame 9 is mounted on a wall of the holding groove, and the driving motor 4 is mounted on the motor fixing frame 9. Specifically, motor mount 9 includes that one end is installed in the installation piece 91 at holding tank top and the suit frame 92 of being connected with installation piece 91, and installation piece 91 passes through the bolt mounting on frame 1, and the one end that installation piece 91 was kept away from to suit frame 92 upwards extends in order to form the mounting groove, and driving motor 4 installs in the mounting groove, makes things convenient for the motor to install, and the treadmill is frivolous, reduces the volume that occupies in the transportation. In this embodiment, 4 outer walls of driving motor are cylindric, and the mounting groove sets up to the arc wall, and the arc wall sets up corresponding to 4 outer wall shapes of driving motor, makes things convenient for 4 location installations of driving motor.

As shown in fig. 1 and 2, further, a protective casing 10 is installed at the position of the housing 1 in the receiving slot, and the protective casing 10 includes an upper casing 101 and a lower casing 102 arranged in sequence from top to bottom so as to enclose the receiving slot and provide protection for the motor. Inferior valve 102 installs in frame 1, and epitheca 101 and inferior valve 102 can be dismantled and set up, and wherein, epitheca 101 and inferior valve 102 pass through bolt demountable installation to the dismouting of epitheca 101 on inferior valve 102 conveniently, conveniently open epitheca 101 and overhaul the motor.

As shown in fig. 2, mobilizable install pinch roller 6 in frame 1, pinch roller 6 is located between motor output shaft and the carry over pinch roller 2, and the week side of pinch roller 6 rotates and laminates on 5 outer walls of conveyer belt, and pinch roller 6 is connected with the elastic linkage 7 that is used for providing the elasticity towards 5 directions of conveyer belt for pinch roller 6, when pinch roller 6 moves about, elastic linkage 7 produces elasticity and promotes pinch roller 6 and contradicts the laminating on 5 outer walls of conveyer belt all the time, so as to guarantee that pinch roller 6 stably supports and presses at the outer wall of conveyer belt 5, guarantee that conveyer belt 5 is in the tensioning state, guarantee that the drive power of motor output is steady.

As shown in fig. 2 and 4, the elastic linkage 7 includes a linkage block 71 rotatably disposed on the frame 1, a tension spring 72 connected to one end of the linkage block 71, and a fixing plate 73 fixed to the frame 1, the fixing plate 73 is disposed above or below the linkage block 71, one end of the tension spring 72 remote from the linkage block 71 is connected to the fixing plate 73, one end of the linkage block 71 remote from the tension spring 72 is provided with a mounting hole 711, a rotating shaft of the pinch roller 6 is rotatably mounted on the mounting hole 711, and when the tension spring 72 is not stressed, the pinch roller 6 abuts against the conveyor belt 5 to be tightened. If the conveyer belt 5 becomes loose, then the conveyer belt 5 can drive the pinch roller 6 and move towards the direction of keeping away from conveyer belt 5 to transfer linkage block 71 to rotate, make the other end pulling extension spring 72 of linkage block 71, make extension spring 72 produce the elasticity that resets, can utilize the elasticity that resets of extension spring 72 to transfer linkage block 71 to reset and rotate, thereby make the pinch roller 6 reset and compress tightly on conveyer belt 5, guarantee that conveyer belt 5 is in the tensioning state, in order to guarantee that driving force of driving motor 4 steadily exports, improve the pivoted stability of running belt 3.

As shown in fig. 4 and 5, the linkage block 71 includes a rotating collar 712 rotatably connected to the frame 1 and connecting arms 713 fixed to two sides of the rotating collar 712, the two connecting arms 713 are respectively connected to the tension spring 72 and the pinch roller 6, and an included angle between the two connecting arms 713 is set to be an obtuse angle, a fixing rod is fixedly arranged on the frame 1, the rotating collar 712 is rotatably arranged on the fixing rod, the two connecting arms 713 can be driven to swing when the rotating collar 712 rotates, or the connecting arm 713 at one side swings and the connecting arm 713 at the other side is driven to swing through rotation of the rotating collar 712, so as to realize linkage, and conveniently keep the pinch roller 6 pressed and attached to the conveyor belt 5, and keep the conveyor belt 5 in a tensioned state.

As shown in fig. 4 and 5, a hook hole 714 is formed in one end of the linkage block 71 away from the mounting hole 711, a fixing hole 731 is formed in the fixing piece 73, and two ends of the tension spring 72 are respectively hooked on the hook hole 714 and the fixing hole 731, so that the tension spring 72 can be conveniently detached. Under long-term use, if the elasticity of extension spring 72 became invalid, can directly take off its both ends from couple hole 714 and fixed orifices 731, replace new extension spring 72 and use, convenient maintenance, guarantee pinch roller 6 can effectively carry out the tensioning to conveyer belt 5 for a long time.

The working principle is as follows: when the device is used, the two ends of the traction roller 2 are synchronously driven to rotate by the two driving motors 4 through the conveyor belt 5, and the running belt 3 can be driven to move. If the conveyer belt 5 is slightly loose, make the conveyer belt 5 promote pinch roller 6 to the direction of keeping away from conveyer belt 5 and remove, make pinch roller 6 drive linking arm 713 around the axis swing of the lantern ring 712 that rotates, thereby drive another linking arm 713 swing, make its pulling extension spring 72 produce elasticity, can utilize the elasticity pulling linking arm 713 of extension spring 72 to reset and move, thereby through the linkage of the lantern ring 712 that rotates, drive pinch roller 6 and remove towards the direction that is close to conveyer belt 5, make pinch roller 6 contradict the laminating all the time on the outer wall of conveyer belt 5, thereby tensioning conveyer belt 5, guarantee under long-time work, conveyer belt 5 is in the tensioning state all the time. According to the above technical scheme, the utility model discloses can adjust the 5 tensioners of conveyer belt by oneself when 5 not hard up conveyer belts to guarantee that driving motor 4's power take off is stable, guarantee that drive power size is stable, improve the travelling comfort of running.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A running machine comprises a frame (1) and two traction rollers (2) arranged at two ends of the frame (1), a running belt (3) is wound between the two traction rollers (2), it is characterized in that one of the traction rollers (2) is connected with a driving motor (4), the driving motor (4) is connected with the traction roller (2) through a conveyor belt (5), a pinch roller (6) is movably arranged on the frame (1), the circumferential side of the pinch roller (6) is rolled and attached on the outer wall of the conveyor belt (5), and the pinch roller (6) is connected with an elastic linkage piece (7) used for providing elasticity towards the direction of the conveyor belt (5) for the pinch roller (6), when the pinch roller (6) moves, the elastic linkage piece (7) generates elasticity to push the pinch roller (6) to be always abutted and attached to the outer wall of the conveyor belt (5).

2. The treadmill of claim 1, wherein the elastic linkage member (7) comprises a linkage block (71) rotatably disposed on the frame (1), a tension spring (72) connected with one end of the linkage block (71), and a fixing plate (73) fixed on the frame (1), the fixing plate (73) is disposed above or below the linkage block (71), one end of the tension spring (72) far away from the linkage block (71) is connected to the fixing plate (73), a mounting hole (711) is formed in one end of the linkage block (71) far away from the tension spring (72), and a rotating shaft of the pinch roller (6) is rotatably mounted on the mounting hole (711).

3. A treadmill according to claim 2, characterised in that the linkage block (71) comprises a rotating collar (712) rotatably connected to the frame (1) and connecting arms (713) fixed to both sides of the rotating collar (712), the two connecting arms (713) are respectively connected to the tension spring (72) and the pinch roller (6), and the angle between the two connecting arms (713) is set to an obtuse angle.

4. The treadmill of claim 2, wherein one end of the linkage block (71) far away from the installation hole (711) is provided with a hook hole (714), the fixing plate (73) is provided with a fixing hole (731), and two ends of the tension spring (72) are respectively hung on the hook hole (714) and the fixing hole (731).

5. A running machine according to claim 1, wherein there are two driving motors (4) symmetrically, and the two driving motors (4) are respectively connected to two ends of the same traction roller (2), and there are two pinch rollers (6) and two elastic linkage members (7) corresponding to the driving motors (4).

6. A running machine according to claim 5, wherein a control chip (8) for controlling the synchronous rotation of the two driving motors (4) is installed in the frame (1), and the two driving motors (4) are connected and controlled by the control chip (8).

7. A running machine according to claim 5, wherein the output shafts of the two driving motors (4) are coaxially arranged, and the two driving motors (4) are of the same size.

8. The treadmill of claim 1, wherein the frame (1) is provided with a receiving slot for receiving the driving motor (4), a motor fixing frame (9) is mounted on a slot wall of the receiving slot, and the driving motor (4) is mounted on the motor fixing frame (9).

9. The treadmill of claim 8, wherein the motor fixing frame (9) comprises a mounting plate (91) having one end mounted on the top of the receiving groove and a mounting frame (92) connected to the mounting plate (91), wherein the end of the mounting frame (92) far away from the mounting plate (91) extends upwards to form a mounting groove, and the driving motor (4) is mounted in the mounting groove.

10. A treadmill according to claim 9, wherein the frame (1) is provided with a protective casing (10) at the location of the receiving slot, the protective casing (10) comprises an upper casing (101) and a lower casing (102) arranged in sequence from top to bottom, the lower casing (102) is arranged on the frame (1), and the upper casing (101) and the lower casing (102) are detachably arranged.