CN212491359U

CN212491359U - Pedal tension device

Info

Publication number: CN212491359U
Application number: CN202020759504.2U
Authority: CN
Inventors: 章晓东; 叶锐明
Original assignee: Jinhua Shuangxing Tool Co ltd
Current assignee: Jinhua Shuangxing Tool Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-02-09
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a pedal pulling force device for muscle strength training, include: the lifting assembly is used for holding a hand and applying pulling force, and consists of a handle pipe and a handle sleeve, wherein the axis direction of the handle pipe is vertical to the pulling force direction, and the handle sleeve is sleeved on the handle pipe; the pedal assembly is used for pedaling the foot and comprises a pedal supporting tube and a pedal plate, the pedal supporting tube is arranged in parallel relative to the handle tube, and the pedal plate is sleeved on the pedal supporting tube; one end of the elastic member is fixed on the handle tube, and the other end is fixed on the pedal supporting tube. The utility model discloses a pedal pulling force device simple structure, simple to operate, reasonable in design just can effectively avoid the potential safety hazard.

Description

Pedal tension device

Technical Field

The utility model relates to a body-building apparatus field, in particular to can carry out pedal pulling force device of multiple different muscle training.

Background

Fitness is broadly divided into instrumental and non-instrumental exercises. The pedal chest expander is used as a simple and portable fitness device, can only exercise arms and chests like a common chest expander, and can be matched with hands and feet. Can exercise different parts such as arms, legs, waist, abdomen and the like. Meanwhile, the limitation by feet is more stable, and the safety factor is higher. The foot-operated chest developer can be used for training, for example, the user can carry out prostrate lifting, namely, two feet are fixed on the foot-operated chest developer, the user bends over the body to straighten the waist, the user holds the handles reversely by two hands, and then the user straightens the upper body so as to train the waist muscle; pulling on the back, namely holding the handle of the chest developer by two hands, straightening two legs, and then doing the action of pulling up on the back; lifting the legs, namely sitting on the ground and fixing the feet on the pedals of the pedal chest expander, holding the chest expander with two hands and then lying down, and straightening the legs so as to train arm muscle groups and abdominal muscles; the user can take the exercise device in both standing and sitting postures by lifting the hands, stepping the two feet on one side of the chest expander, holding the other side of the chest expander by the two hands, and lifting and putting down after stepping on the chest expander, so that the forearm and biceps brachii muscle can be effectively exercised by repeating the action.

Most of the existing pedal chest-developer are made of metal materials, elastic ropes need to be replaced, the installation is inconvenient, and in addition, the pedal part of the apparatus is not designed reasonably, so that inconvenience and potential safety hazards are caused to users. For example, chinese patent CN 207804871U discloses a pedal chest expander for replacing elastic cord, which comprises a body assembly and an elastic assembly, wherein the body assembly comprises a chest expander, a connecting pipe, a first foot supporting plate, a welding pipe, a hanging buckle, a spring pipe and a second foot supporting plate, wherein the foot supporting plate is fixedly connected to the chest expander, and the connecting pipe is located at the middle position of the upper surface of the chest expander and is fixedly connected to the chest expander. The structure of the scheme is complex, and structural members such as the connecting pipe are made of metal materials, so that hidden dangers are brought to fitness safety.

The structure of the existing pedal chest expander is complex, certain potential safety hazards exist in the material selection of structural members and the design of pedal positions, and therefore a pedal pulling device which is simple in structure, convenient to install, reasonable in design and capable of effectively avoiding the potential safety hazards is urgently needed, and the problem in the prior art is solved.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pedal pulling force device to overcome prior art well structure complicacy, difficult installation, the great shortcoming of potential safety hazard.

In order to achieve the above object, the utility model provides a pedal tension device for muscle strength training, include: the lifting assembly is used for holding a hand and applying pulling force, and consists of a handle pipe and a handle sleeve, wherein the axis direction of the handle pipe is vertical to the pulling force direction, and the handle sleeve is sleeved on the handle pipe; the pedal assembly is used for pedaling the foot and comprises a pedal supporting tube and a pedal plate, the pedal supporting tube is arranged in parallel relative to the handle tube, and the pedal plate is sleeved on the pedal supporting tube; one end of the elastic member is fixed on the handle tube, and the other end is fixed on the pedal supporting tube.

Furthermore, in the above technical scheme, the elastic member may be an integrally formed thermoplastic elastomer, one end of which is sleeved and fixed in the middle of the handle tube, and the other end of which is sleeved and fixed in the middle of the pedal support tube. The elastic piece can be provided with a plurality of hollow parts.

Further, in the above-described aspect, an annular presser foot band is attached to an end side portion of the foot pedal.

Furthermore, among the above-mentioned technical scheme, be equipped with an central siphon in the footboard stay tube, the back is worn to establish on the footboard stay tube at the both ends of presser foot area, and accessible self tapping screw fastening is in the central siphon tip in the outer end side of presser foot area for the running-board and the suit of presser foot area are restricted on the footboard stay tube.

Furthermore, among the above technical scheme, the side is equipped with the bellying around the running-board bottom, and this bellying height more than or equal to the sleeve pipe protrusion height in running-board middle part.

Further, among the above-mentioned technical scheme, the presser foot area can be equipped with a plurality of fretwork holes.

Furthermore, in the above technical scheme, the elastic member is sleeved at the corresponding position of the handle tube and the pedal support tube and is provided with the decorative ring.

Further, in the above technical solution, the pedal plate may be made of polypropylene material. The handle tube and the pedal support tube may be made of PVC material.

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

1) the pedal tension device of the utility model has simple structure and convenient installation;

2) the structural part is made of nonmetal materials such as TPE (thermoplastic elastomer), PP (polypropylene), PVC (polyvinyl chloride) and the like, so that potential safety hazards can be effectively avoided;

3) the convex parts on the front side and the rear side of the bottom of the pedal plate are designed, so that the arc surface of the sleeve in the middle of the pedal plate can be prevented from directly contacting the ground, the pedal plate is more attached to the ground, and the stability is improved;

4) the flat structure of the elastic part and the design of the hollow part can effectively improve the elasticity of the structural part and save the material cost.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to make the technical means more comprehensible, and to make the above and other objects, technical features, and advantages of the present invention easier to understand, one or more preferred embodiments are listed below, and the following detailed description is given with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective view of the pedal tension device of the present invention.

Fig. 2 is another perspective view of the pedal tension device of the present invention.

Fig. 3 is an exploded view of the pedal tension device of the present invention.

Fig. 4 is a front view of the pedal tension device of the present invention.

Fig. 5 is a top view of the pedal tension device of the present invention.

Fig. 6 is a left side view of the pedal tension device of the present invention.

Description of the main reference numerals:

1-lifting component, 11-handle tube, 12-handle sleeve, 13-first decorative ring, 2-elastic component, 21-sleeve joint part, 22-elastic part, 220-hollow part, 3-pedal component, 31-pedal support tube, 310-shaft tube, 311-self-tapping screw, 32-pedal, 320-middle sleeve, 321-first convex part, 322-second convex part, 33-foot pressing belt, 330-hollow hole and 34-second decorative ring.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Spatially relative terms, such as "below," "lower," "upper," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the object in use or operation in addition to the orientation depicted in the figures. For example, if the items in the figures are turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the elements or features. Thus, the exemplary term "below" can encompass both an orientation of below and above. The article may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.

In this document, the terms "first", "second", etc. are used to distinguish two different elements or portions, and are not used to define a particular position or relative relationship. In other words, the terms "first," "second," and the like may also be interchanged with one another in some embodiments.

As shown in fig. 1, 2 and 3, the pedal tension device of the present invention is used for muscle strength training, and the exercise using the device includes, but is not limited to, supine pulling, prone pulling, leg pulling, and both hands pulling. The pedal tension device includes: the lifting assembly 1 is a hand holding part and is used for holding hands and applying pulling force to the device, the lifting assembly 1 is composed of a handle tube 11 and a handle sleeve 12, the axial direction of the handle tube 11 is perpendicular to the direction of the applied pulling force, and therefore the applied pulling force can be guaranteed to be concentrated on the axial direction of the elastic part 2. The handle sleeve 12 is two in number, is symmetrically arranged relative to the elastic piece 2 and is respectively sleeved on the handle tube 11, the handle sleeve 12 and the handle tube 11 are in interference fit, and anti-skid grains are arranged on the surface of the handle sleeve 12. The pedal assembly 3 is used for foot pedaling and comprises a pedal support tube 31 and two pedal plates 32, wherein the pedal support tube 31 is arranged in parallel relative to the handle tube 11, the pedal plates 32 are symmetrically arranged relative to the elastic member 2, and the pedal plates 32 are sleeved on the pedal support tube 31. The two ends of the elastic member 2 are both provided with a sleeve joint part 21 (see fig. 6), the sleeve joint part 21 is a two-section annular structure, one end of the elastic member 2 is fixed on the handle tube 11, and the other end is fixed on the pedal support tube 31.

As further shown in fig. 3, preferably, but not limitatively, the elastic member 2 is an integrally formed thermoplastic elastomer (TPE), and one end of the TPE is sleeved and fixed on the middle portion of the handle tube 11, and the other end is sleeved and fixed on the middle portion of the pedal support tube 31 through the sleeved portion 21. Further, the elastic member 2 is flat, in order to save materials, a plurality of hollow parts 220 are arranged on the flat structure, and the hollow parts 220 can also improve the overall elasticity of the elastic member 2, so that the elastic member is more convenient for training of users with weak strength.

As further shown in fig. 4 to 6, a foot pressing belt 33 is provided at the center of the foot board 32, and the foot pressing belt 33 is a band-shaped ring structure, and both ends thereof are fixedly attached to the end side portions of the foot board 32. As further shown in fig. 3, the pedal support tube 31 is a hollow tube, a shaft tube 310 is disposed in the hollow tube, and after both ends of the presser foot band 33 are inserted into the pedal support tube 31, the outer end of the presser foot band 33 is fastened to the end of the shaft tube 310 by a self-tapping screw 311 with a gasket, so that the pedal plate 32 and the presser foot band 33 are fitted and restrained on the pedal support tube 31. Preferably, but not limitatively, in order to save material, the presser foot belt 33 is provided with a plurality of hollowed-out holes 330.

As further shown in fig. 5, the front and rear sides of the bottom of the pedal plate 32 are provided with protrusions, wherein the front side is provided with a first protrusion 321, the rear side is provided with a second protrusion 322, the two protrusions have the same structural dimension, the height of the first protrusion 321 and the height of the second protrusion 322 are greater than or equal to the protruding height of the middle sleeve 320 of the pedal plate, so as to avoid the arc surface of the middle sleeve 320 directly contacting the ground, and such design can allow the user to step on the pedal plate 32 more stably, so that the pedal plate 32 is more attached to the ground.

As further shown in fig. 1 and 2, in order to make the pedal tension device more beautiful, the elastic member 2 is provided with a decorative ring at the corresponding position where the handle tube 11 and the pedal support tube 31 are sleeved, i.e. a first decorative ring 13 is provided between two sections of annular structures of the sleeved portion 21 at one end of the lifting assembly 1, and a second decorative ring 34 is provided between two sections of annular structures of the sleeved portion 21 at one end of the pedal assembly 3.

The utility model discloses a pedal pulling force device all uses non-metallic material to make, can furthest avoid the potential safety hazard. The elastic member 2, the handle grip 12 and the foot pressing belt 33 are made of thermoplastic elastomer (TPE) which is integrally formed, and the foot pedal 32 is made of polypropylene (PP). The handle tube 11 and the pedal support tube 31 are made of PVC material. Of course, as for the parts not exposed, a metal material may be used as necessary.

The pedal tension device of the utility model has simple structure, convenient installation and more humanization; the structural parts are all made of non-metal materials, so that potential safety hazards can be effectively avoided; the convex parts on the front side and the rear side of the bottom of the pedal plate are designed, so that the arc surface of the middle sleeve can be prevented from directly contacting the ground, the pedal plate is more attached to the ground, and the stability is improved; the flat structure of the elastic part and the design of the hollow part not only effectively improve the elasticity, but also save the material cost.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. Any simple modifications, equivalent changes and modifications made to the above exemplary embodiments shall fall within the scope of the present invention.

Claims

1. A pedal effort device for muscle strength training, comprising:

the lifting assembly is used for holding a hand and applying pulling force, and consists of a handle pipe and a handle sleeve, wherein the axis direction of the handle pipe is vertical to the pulling force direction, and the handle sleeve is sleeved on the handle pipe;

the pedal assembly is used for pedaling the foot and comprises a pedal supporting tube and a pedal plate, the pedal supporting tube is arranged in parallel relative to the handle tube, and the pedal plate is sleeved on the pedal supporting tube;

and one end of the elastic member is fixed on the handle pipe, and the other end of the elastic member is fixed on the pedal supporting pipe.

2. The pedal tension device according to claim 1, wherein the resilient member is an integrally formed thermoplastic elastomer, one end of which is fixedly fitted over the middle portion of the handle tube, and the other end of which is fixedly fitted over the middle portion of the pedal support tube.

3. A pedal effort device according to claim 2, wherein said resilient member is provided with a plurality of hollowed-out portions.

4. A pedal tension device according to any one of claims 1 to 3, wherein an annular presser foot band is attached to an end side portion of the pedal plate.

5. The pedal tension device according to claim 4, wherein a shaft tube is provided in the pedal support tube, and after both ends of the foot band are inserted into the pedal support tube, the foot band is fastened to the end of the shaft tube by a self-tapping screw at the outer end side thereof, so that the pedal plate and the foot band are fitted and restrained on the pedal support tube.

6. A pedal tension device according to any one of claims 1 to 3, wherein the pedal bottom is provided with projections at front and rear sides thereof, the projections having a height equal to or greater than a height of a projection of the casing in a middle portion of the pedal.

7. The pedal tension device as set forth in claim 4, wherein the presser foot strap is provided with a plurality of apertures.

8. The pedal tension device according to claim 4, wherein the resilient member is provided with a decorative ring at a position corresponding to the handle tube and the pedal support tube.

9. A pedal tension device as defined in any one of claims 1 to 3, wherein the pedal plate is made of a polypropylene material.

10. A pedal tension device according to any one of claims 1 to 3, wherein the handle tube and pedal support tube are made of PVC material.