CN214158448U

CN214158448U - Device is tempered to pulling force

Info

Publication number: CN214158448U
Application number: CN202120187986.3U
Authority: CN
Inventors: 孙昊; 林喜群; 陈传文
Original assignee: Hefei Leather Animal Intelligent Technology Co ltd
Current assignee: Hefei Leather Animal Intelligent Technology Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-09-10
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a device is tempered to pulling force, include moment of torsion output mechanism, wheel hub, coil spring, act as go-between and handle, the one end winding of acting as go-between is in on wheel hub's the outer peripheral face, the other end of acting as go-between is connected the handle, wheel hub's wheel face is seted up the recess and is supplied the coil spring is placed, moment of torsion output mechanism's output shaft passes wheel hub's centre bore, and with the inner fixed connection of coil spring, the outer end of coil spring is fixed on the recess. The utility model discloses a torsion is the electric control form, combines the wind spring, can realize torsion's regulation, simple structure, convenient to use according to required tensile size.

Description

Device is tempered to pulling force

Technical Field

The utility model relates to a body-building apparatus technical field, in particular to device is tempered to pulling force.

Background

In this new era, which is pursuing healthier and more abundant life, fitness is becoming the hottest trend, and countries also implement fitness preferential policies in various places to encourage people to pay attention to physical health. At present, the chest expander is as the fitness equipment of conventional strength training, and the most common is the chest expander that is provided with the balancing weight, and the user realizes taking exercise the purpose of muscle through the weight of overcoming the balancing weight, nevertheless also because the balancing weight is very heavy, so the portability is relatively poor.

At present, a chest expander for overcoming the elasticity of an elastic tension rope is provided, because the external force for body building of a user is provided by adopting an elastic material deformation mode, the action form of the force is not friendly, the required tension is smaller when the deformation is started, and the tension is required to be increased in multiples after the deformation is started, so that the force is difficult to control to the degree required by the user in actual use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device is tempered to pulling force, torsion be the electric control form, combine the wind spring, can realize the regulation of torsion according to required tensile size, reduce the motor loss, simple structure, convenient to use.

To achieve the above object, the solution of the present invention is: a tension training device comprises a torque output mechanism, a hub, a coil spring, a pull wire and a handle, wherein one end of the pull wire is wound on the outer peripheral surface of the hub, the other end of the pull wire is connected with the handle, a groove is formed in the wheel surface of the hub for the coil spring to be placed, an output shaft of the torque output mechanism penetrates through a center hole of the hub and is fixedly connected with the inner end of the coil spring, and the outer end of the coil spring is fixed on the groove.

As a further improvement of the above scheme, the torque output mechanism is a combination of a motor and a speed reduction assembly or a transmission assembly, or the torque output mechanism is a motor capable of outputting high torque force.

As a further improvement of the above scheme, the torque output mechanism includes a torque motor, a worm gear and worm transmission mechanism and an output shaft, the torque motor is connected to a worm of the worm gear and worm transmission mechanism, the worm is matched with the edge of a worm wheel of the worm gear and worm transmission mechanism, and the center of the worm wheel is fixedly connected to the output shaft.

As a further improvement of the above scheme, the torque output mechanism further comprises a shell, the shell is composed of an upper shell and a lower shell, the upper shell and the lower shell are covered and fixed together to form an inner cavity, the inner cavity is used for placing the torque output mechanism, the hub, the coil spring and the pull wire, and the shell is provided with a wire outlet for extending the pull wire and connecting the pull handle.

After the technical scheme is adopted, the beneficial effects of the utility model reside in that: by utilizing the controllability of the torque of the existing motor, the tension exercising device of the scheme provides the torque for the stay wire by controlling the output shaft of the torque output mechanism, so that the force can be changed according to the actual use requirement of a user, and the body-building experience of the user is richer; the user pulls the handle outwards, and the wheel hub is driven to rotate when the stay wire is elongated, the coil spring in the wheel hub is tightened by the wheel hub, the coil spring is gradually tightened until the coil spring is tightened to the limit, at the moment, the coil spring plays a role in connecting the stay wire and the output shaft, and then the output shaft starts to rotate and directly provides resistance for the stay wire, so that the user can continuously receive resistance in the using process and continuously stimulate muscles. After the release handle, it relaxs to act as go-between, and the output shaft stops rotatoryly, and it obtains quick release because of the torsion of wind spring to act as go-between, gets back to the state of relaxing, waits for the pulling of next handle, the utility model discloses combine together wind spring and electric control, in the earlier stage of pulling force exercise, the wind spring shrink is turned round the resistance by the motor provides, acts as go-between and keeps the invariable state of tightness always, at the later stage of pulling force exercise, kick-backs by the wind spring and relaxes, pulls back the line, and the motor need not be for the off-state, and it acts as go-between to need not the motor to pull back, reduces the motor loss, consequently the utility model relates to a novel torsion control structure, and the utility model discloses the structure is light, and convenient travel carries.

Drawings

Fig. 1 is a schematic view of a combined structure of a tension training device according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a tension training device according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of a torque output mechanism according to an embodiment of the present invention.

Description of reference numerals:

the torque output mechanism 1, the torque motor 11, the worm 12, the worm wheel 13, the output shaft 14, the hub 2, the groove 21, the outer peripheral surface 22, the coil spring 3, the pull wire 4, the handle 5, the shell 6, the upper shell 61, the lower shell 62 and the outlet 63.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The utility model provides a device is tempered to pulling force, as shown in fig. 1 and fig. 2, including torque output mechanism 1, wheel hub 2, coil spring 3, 4, handle 5 and casing 6 act as go-between, the one end winding of 4 acting as go-between is in on wheel hub 2's the outer peripheral face 22, the other end of 4 acting as go-between is connected handle 5, wheel hub 2's wheel face sets up recess 21 confession coil spring 3 places, torque output mechanism 1's output shaft 14 passes wheel hub 2's centre bore, and with the inner fixed connection of coil spring 3, the outer end of coil spring 3 is fixed on the recess 21.

The torque output mechanism 1 is a combination of a motor and a speed reduction assembly or a transmission assembly, or the torque output mechanism 1 is a motor capable of outputting high torque.

In a preferred embodiment, as shown in fig. 3, the torque output mechanism 1 is a combination of a motor and a transmission assembly, and specifically, the torque output mechanism includes a torque motor 11, a worm wheel 13, a worm 12 transmission mechanism and an output shaft 14, the torque motor 11 is connected with the worm 12 of the worm transmission mechanism, the worm 12 is fitted on the edge of the worm wheel 13 of the worm transmission mechanism, and the center of the worm wheel 13 is fixedly connected with the output shaft 14. When the torque output mechanism 1 works, the torsion motor 11 drives the worm 12 to rotate, so as to drive the output shaft 14 on the worm wheel 13 to rotate.

As shown in fig. 2 and 3, the housing 6 is composed of an upper housing 61 and a lower housing 62, the upper housing 61 and the lower housing 62 are covered and fixed together to form an inner cavity, the inner cavity is used for placing the torque output mechanism 1, the hub 2, the coil spring 3 and the pull wire 4, the structure of the inner cavity can be designed according to the size of the torque output mechanism 1, the hub 2, the coil spring 3 and the pull wire 4, and the housing 6 is provided with an outlet 63 for extending the pull wire 4 and connecting the handle 5.

The utility model discloses an use and temper the process and do, the user outwards stimulates handle 5, when acting as go-between 4 elongates, drive wheel hub 2 and rotate, wind spring 3 in the 2 taut wheel hub 2 of wheel hub, wind spring 3 tightens up gradually, tighten up the limit until wind spring 3, at this moment, wind spring 3 plays the effect of connecting 4 and output shaft 14 of acting as go-between, next, output shaft 14 begins to rotate, directly provide 4 resistances of acting as go-between, make the user can continuously receive the resistance in the use, continuously amazing muscle. When the handle 5 is released, the pull wire 4 is released, the output shaft 14 stops rotating, the pull wire 4 is rapidly released due to the torsion of the coil spring 3, and returns to the release state to wait for the next pulling of the handle 5.

From the aforesaid use the process of taking exercise, the utility model discloses torsion after 3 arrivals limits of wind spring is completely by output shaft 14 provides, in the later stage of pulling force exercise, relaxes, pull back the acting as go-between by the resilience of wind spring, and the motor need not to be for the stop state, need not the motor and pulls back the acting as go-between, reduces the motor loss, the utility model discloses can control torsion motor 11's torsion size and control output shaft 14, thereby make the utility model discloses still have torsion regulatory function, make the user can change according to the in-service use needs for user's body-building experience is abundanter.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present application, and all equivalent changes made according to the design key of the present application fall within the protection scope of the present application.

Claims

1. A device is tempered in pulling force which characterized in that: the torsion moment output mechanism comprises a torsion moment output mechanism, a hub, a coil spring, a pull wire and a handle, wherein one end of the pull wire is wound on the peripheral surface of the hub, the other end of the pull wire is connected with the handle, a groove is formed in the wheel surface of the hub for the coil spring to be placed, an output shaft of the torsion moment output mechanism penetrates through a center hole of the hub and is fixedly connected with the inner end of the coil spring, and the outer end of the coil spring is fixed on the groove.

2. The tension exercise device according to claim 1, wherein: the torque output mechanism is a combination of a motor and a speed reduction assembly or a transmission assembly, or the torque output mechanism is a motor capable of outputting high torque.

3. The tension exercise device according to claim 2, wherein: the torque output mechanism comprises a torque motor, a worm gear transmission mechanism and an output shaft, the torque motor is connected with a worm of the worm gear transmission mechanism, the worm is matched with the edge of a worm wheel of the worm gear transmission mechanism, and the center of the worm wheel is fixedly connected with the output shaft.

4. The tension exercise device according to claim 1, wherein: the torque output mechanism is characterized by further comprising a shell, the shell is composed of an upper shell and a lower shell, the upper shell and the lower shell are covered and fixed together to form an inner cavity, the inner cavity is used for accommodating the torque output mechanism, the hub, the coil spring and the pull wire, and the shell is provided with a wire outlet for extending the pull wire and connecting the pull handle.