CN220360672U - Chest expander casing and chest expander - Google Patents

Abstract

The utility model relates to a chest expander, which comprises: the circuit board is connected in the first installation area of the chest expander shell; the circuit board is electrically connected with a switch key; the reel is rotatably connected in the reel mounting area; the reel is wound with a tension rope, one end of the tension rope is connected to the reel, and then the tension rope is wound on the reel; the power part is connected in the second installation area and is electrically connected with the circuit board; the output end of the power part is connected with the reel. After adopting above-mentioned structure, its beneficial effect is: the chest expander shell is divided into areas according to functions, so that the assembly and the installation of each part are more convenient, the whole structure is more reasonable, and the production cost is lower.

Description

Chest expander casing and chest expander

Technical Field

The utility model belongs to the technical field of fitness equipment, and particularly relates to a chest expander shell and a chest expander.

Background

The rope pulling device is used as a common fitness device in industry and generally comprises a shell, a rotating shaft arranged on the shell, a rope winding disc fixed on the rotating shaft, a rope wound on the rope winding disc and a reset spring arranged on the shell, wherein the end part of the reset spring is fixedly connected with the rotating shaft. In the use process, a user can achieve the exercise effect by pulling out the pull rope; but because the resistance of the pull rope is provided by adopting a reset spring, the resistance is single, thereby affecting the exercise effect. In order to overcome the defect, a rope pulling device capable of adjusting the resistance of a rope pulling is gradually appeared in the market, but the power part, the rope winding disc and the shell of the rope pulling device are unreasonable in layout, so that the assembly and connection of all parts are complicated, the whole volume is relatively large, and therefore, improvement is needed.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the chest expander shell and the chest expander, which are simple in structure, small in size and convenient to carry.

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

as an aspect of the present utility model, there is provided a chest expander housing, comprising: the shell comprises a shell body, wherein the shell body is provided with an installation cavity, a first partition piece is formed in the shell body, and the first partition piece partitions the installation cavity into a first installation area and a second installation area; forming a second partition in the first mounting region, the first mounting region forming a power supply unit mounting region and a reel mounting region through the second partition; the shell body is provided with a wire outlet hole which is communicated with the reel installation area.

Optionally, the first partition is provided with a spindle relief hole, and the spindle relief hole is located in the reel mounting area.

Alternatively, the reel mounting area is provided with a transmission part mounting area formed by a baffle plate.

As another aspect of the present utility model, there is provided a chest expander, comprising:

chest expander housing as described above;

the circuit board is connected in the first installation area; the battery electrically connected with the circuit board is positioned in the power supply unit installation area; the circuit board is electrically connected with a switch key; the switch key comprises a switch key, a forward rotation key and a reverse rotation key;

the reel is rotatably connected in the reel mounting area; the tension rope is wound on the reel, one end of the tension rope is connected to the reel and then wound on the reel, the other end of the tension rope is a free end, and the free end passes through the wire outlet hole to the outside of the chest expander shell;

the power part is connected in the second installation area and is electrically connected with the circuit board; the output end of the power part is connected with the reel.

Optionally, a first cover plate is connected to the first mounting area, and the first cover plate covers the circuit board and the reel; and a second cover plate is connected to the second installation area and covers the power part.

Alternatively, the power part comprises a stator core and a rotor assembly which are connected in the second installation area, and the stator core is electrically connected with the circuit board; the stator core is connected with the second installation area through a connecting part formed in the second installation area; the rotor assembly is connected to the connecting part through a rotating piece; the rotor assembly covers the stator core in the rotor assembly; the rotating shaft on the rotor assembly is connected with the axle center of the winding wheel.

Optionally, the motor further comprises a transmission part, wherein the rotating shaft on the rotor assembly is connected with the reel through the transmission part, the transmission part comprises a driven gear connected with the end part of the reel and a driving gear connected with the rotating shaft on the rotor assembly, and the driving gear is meshed with the driven gear; the driving gear and the driven gear are both positioned in the reel installation area, and the rotating shaft on the rotor assembly penetrates through the reel installation area and then is connected with the driving gear.

Optionally, the tension rope further comprises a rope guiding piece, wherein the rope guiding piece is connected to the wire outlet hole, and the free end of the tension rope is guided out of the shell through the rope guiding piece.

Optionally, the chest expander further comprises a handle piece, and the handle piece is detachably connected to the chest expander shell.

Optionally, the circuit board also comprises an encoder, and the encoder is electrically connected with the circuit board.

Optionally, a decorative plate is connected to the second cover plate.

The chest expander shell and chest expander of the utility model have the beneficial effects that: 1. the chest expander shell is divided into areas according to functions, so that the assembly and the installation of each part are more convenient, the whole structure is more reasonable, and the production cost is lower; 2. the motor and the shell are integrally arranged, so that the structural strength of the product is guaranteed to the greatest extent, and meanwhile, the complexity of the structure is also simplified.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a front elevational view of the chest expander of the present utility model;

FIG. 2 is a state diagram of the installation of the reel of the present utility model;

FIG. 3 is a rear elevational view of the chest expander of the present utility model;

FIG. 4 is a front elevational view of the chest expander housing of the present utility model;

FIG. 5 is a rear elevational view of the chest expander housing of the present utility model;

fig. 6 is a schematic structural view of the power unit and the transmission unit of the present utility model.

Detailed Description

The utility model will be better explained for understanding by referring to the following detailed description of the embodiments in conjunction with the accompanying drawings.

A chest expander housing according to an embodiment of the present utility model, as shown in fig. 1-5, comprises: a housing body 1, wherein the housing body 1 is provided with a mounting cavity, a first partition piece 11 is formed in the housing body 1, and the first partition piece 11 divides the mounting cavity into a first mounting area 12 and a second mounting area 13; a second partition 14 is formed in the first mounting area 12, and the first mounting area 12 forms a power supply unit mounting area 15 and a reel mounting area 16 through the second partition 14; the shell body 1 is provided with a wire outlet hole 17, and the wire outlet hole 17 is communicated with a reel installation area 16; the chest expander shell is integrally formed; the first partition 11 is provided with a spindle abdication hole 111, and the spindle abdication hole 111 is positioned in the reel mounting area 16; the reel mounting area 16 is provided with a transmission part mounting area 113 formed by a baffle 112, and the rotating shaft abdication hole 111 is positioned in the transmission part mounting area 113; the chest expander shell is divided into areas according to functions, so that the assembly and the installation of each part are more convenient, the whole structure is more reasonable, and the production cost is lower.

Another embodiment of the present utility model, a chest expander, as shown in fig. 1-5, comprises: a circuit board 2 connected in the first mounting region 12; a battery 22 electrically connected with the circuit board 2 is located in the power unit mounting area 15; the circuit board 2 is electrically connected with a switch key 21, and the switch key 21 comprises a power on/off key 211, a forward rotation pressing key 212 and a reverse rotation key 213; it should be noted that, the connection manner and structure of the switch key 21 and the circuit board 2 are both in the prior art, and are not described again;

a reel 3 rotatably coupled to the reel mounting section 16; the reel 3 is wound with a tension rope, one end of the tension rope is connected to the reel 3 and then wound on the reel 3, the other end of the tension rope is a free end, and the free end passes through the wire outlet hole 17 to the outside of the chest expander shell;

the power part 4 is connected in the second installation area 13, and the power part 4 is electrically connected with the circuit board 2; the output end of the power part 4 is connected with the reel 3.

In the embodiment, the power part 4 drives the reel 3 to rotate; when the tension rope is used, the free end of the tension rope is pulled, and under the control of the reversing button 213, the power part 4 drives the reel 3 to reverse, so that the free end of the tension rope has a certain length; then, under the control of the forward rotation pressing key 212, the power part 4 drives the reel 3 to rotate forward, and torque is generated through the rotation of the power part 4, so that the tension rope is rewound; the user pulls the free end of the tension rope, and the aim of resistance training is achieved by the rotation of the power part 4.

By way of further illustration, in the present embodiment, as shown in fig. 1 and 3, a first cover 18 is connected to the first mounting area 12, and the first cover 18 covers the circuit board 2 and the reel 3 therein; the second installation area 13 is connected with a second cover plate 19, the second cover plate 19 covers the power part 4 inside, and the power part is good in integrity and convenient to install; the second cover plate 19 is connected with a decorative plate 110.

As further illustration, in this embodiment, as shown in fig. 1 and fig. 3, the circuit board 2 is provided with a display circuit and a breathing lamp circuit, and the structures of the display circuit and the breathing lamp circuit and the connection between the display circuit and the breathing lamp circuit and the circuit board 2 are in the prior art and are not described in detail; a breathing lamp mounting part 181 matched with a breathing lamp 23 on the breathing lamp circuit is arranged on the first cover plate 18; the first cover plate 18 is provided with a display area 182 for displaying, and the display area 182 is matched with the display screen 22 on the display circuit to display information on the display screen 22; the first cover plate 18 is provided with a key installation relief hole 183 for installing the switch key 21.

Specifically, in the present embodiment, as shown in fig. 6, the power unit 4 includes a stator core 41 and a rotor assembly 43 connected to the second mounting area 13, and the rotor assembly 43 is rotatable relative to the stator core 41; the stator core 41 is electrically connected with the circuit board 2; it should be noted that, the stator core 41 and the rotor assembly 43 are both in the prior art, and will not be described in detail; the present embodiment focuses on how the stator core 41 and the rotor assembly 43 are laid out in the chest expander housing to maximize space; the stator core 41 is connected to the second mounting region 13 through a connection portion 42 formed in the second mounting region 13; the stator core 41 is fixedly connected with the connecting part 42; as an example, the connection portion 42 is a convex ring; the rotor assembly 43 is connected to the connecting portion 42 through a rotating member, which is a bearing; the rotor assembly 43 covers the stator core 41 inside; the rotating shaft of the rotor assembly 43 is connected with the axle center of the reel 3, and the rotor assembly 43 works to drive the reel 3 to rotate together.

By way of further illustration, in the present embodiment, as shown in fig. 2-5, the present utility model further comprises a transmission part, wherein the rotating shaft on the rotor assembly 43 is connected with the reel 3 through the transmission part, so that the power output by the rotor assembly 43 is more resistive, the transmission part comprises a driven gear connected to the end of the reel 3 and a driving gear 72 connected to the rotating shaft on the rotor assembly 43, and the driving gear 72 is meshed with the driven gear; the driven gear is located in the transmission part installation area 113, the driving gear 72 and the driven gear are both located in the reel installation area 16, and the driving gear 72 is connected after the rotating shaft on the rotor assembly 43 passes through the rotating shaft abdicating hole 111 on the reel installation area 16, so that the overall layout is good.

As a further explanation, in this embodiment, as shown in fig. 1-3 and 6, the wire guiding device further includes a wire guiding piece 5, where the wire guiding piece 5 is connected to the wire outlet hole 17 through a wire guiding piece housing 51, and the free end of the tension rope is guided out of the chest expander housing by the wire guiding piece 5, so as to prevent the uneven stress of the free end of the tension rope on the wire outlet hole 17 and affect the wire outlet effect; the rope guiding piece 5 is more than two rope guiding rollers which are arranged on the chest expander shell at intervals, and the rope guiding rollers are positioned in the wire outlet holes 17 and used for conducting wires of the tension ropes.

As a further illustration, in the present embodiment, as shown in fig. 2, the pull device further comprises a handle member 6, wherein the handle member 6 is detachably connected to the chest-developer housing, so as to facilitate the connection of the chest-developer to a fixed object or a opponent through the handle member 6, and then, the user pulls the free end of the pull rope, thereby achieving the purpose of resistance training by acting against the rotation of the power portion 4.

As a further illustration, in the present embodiment, the tension rope winding device further comprises an encoder electrically connected to the circuit board 2, wherein the encoder is used for controlling the number of turns of the power part 4 in forward rotation or reverse rotation so as to prevent the power part 4 from winding the tension rope past the head; or, the free end of the tension rope is provided with an induction piece which is matched with an induction switch on the wire outlet hole 17, and the induction switch is electrically connected with the circuit board 2 so as to prevent the power part 4 from winding the tension rope past; it should be noted that this control structure is a prior art and will not be described in detail.

When the tension rope is used, the power part 4 drives the reel 3 to rotate reversely under the control of the reverse button 213 by starting up through the start-up button 211 to pull the free end of the tension rope, so that the free end of the tension rope has a certain length; then, under the control of the forward rotation pressing key 212, the power part 4 drives the reel 3 to rotate forward, and torque is generated through the rotation of the power part 4, so that the tension rope is rewound; the user pulls the free end of the tension rope, and the aim of resistance training is achieved by the rotation of the power part 4.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly as such and may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (10)

1. A chest expander housing, comprising: the shell comprises a shell body, wherein the shell body is provided with an installation cavity, a first partition piece is formed in the shell body, and the first partition piece partitions the installation cavity into a first installation area and a second installation area; forming a second partition in the first mounting region, the first mounting region forming a power supply unit mounting region and a reel mounting region through the second partition; the shell body is provided with a wire outlet hole which is communicated with the reel installation area.

2. The chest expander housing of claim 1, wherein the first divider is provided with a spindle relief aperture.

3. The chest expander housing of claim 1 wherein the reel mounting area is provided with a drive mounting area formed by a baffle.

4. A chest expander, comprising:

a chest expander housing as claimed in any one of claims 1 to 3;

the circuit board is connected in the first installation area; the battery electrically connected with the circuit board is positioned in the power supply unit installation area; the circuit board is electrically connected with a switch key; the switch key comprises a switch key, a forward rotation key and a reverse rotation key;

the reel is rotatably connected in the reel mounting area; the tension rope is wound on the reel, one end of the tension rope is connected to the reel and then wound on the reel, the other end of the tension rope is a free end, and the free end passes through the wire outlet hole to the outside of the chest expander shell;

the power part is connected in the second installation area and is electrically connected with the circuit board; the output end of the power part is connected with the reel.

5. The chest expander of claim 4 wherein a first cover is attached to the first mounting area, the first cover housing the circuit board and the reel; and a second cover plate is connected to the second installation area and covers the power part.

6. The chest expander of claim 4 wherein the power section comprises a stator core and a rotor assembly connected in the second mounting area, the stator core being electrically connected to the circuit board; the stator core is connected with the second installation area through a connecting part formed in the second installation area; the rotor assembly is connected to the connecting part through a rotating piece; the rotor assembly covers the stator core in the rotor assembly; the rotating shaft on the rotor assembly is connected with the axle center of the winding wheel.

7. The chest expander of claim 6 further comprising a transmission portion, wherein the shaft on the rotor assembly is connected to the reel by the transmission portion, the transmission portion comprising a driven gear connected to an end of the reel and a driving gear connected to the shaft on the rotor assembly, the driving gear being in mesh with the driven gear; the driving gear and the driven gear are both positioned in the reel installation area, and the rotating shaft on the rotor assembly penetrates through the reel installation area and then is connected with the driving gear.

8. The chest expander of claim 4 or 6, further comprising a rope guide, the rope guide being connected to the wire hole, the free end of the tension rope being guided out of the chest expander housing by the rope guide.

9. The chest expander of claim 4 or 6, further comprising a handle member removably attached to the chest expander housing.

10. The chest expander of claim 4 or claim 6, further comprising an encoder, the encoder being electrically connected to the circuit board.