Chest expander casing and chest expander

Abstract

A chest expander, comprising: a chest expander casing (1); a circuit board (2), connected within a first mounting area (12) of the chest expander casing (1), wherein a switch button (21) is electrically connected to the circuit board (2); a reel (3), rotatably connected within a reel mounting area (16), wherein a tension rope is wound on the reel (3), one end of the tension rope being connected to the reel (3), and the tension rope being then wound on the reel (3); and a power part (4), connected within a second mounting area (13), wherein the power part is electrically connected to the circuit board (2), and an output end of the power part (4) is connected to the reel (3). The beneficial effects of adopting the described structure are: the chest expander casing is divided into areas according to function, allowing for more convenient assembly and mounting of the various parts, a more reasonable overall structure, and lower production costs.

Description

Tensioner housing and tensioner Technical Field

[0001] The utility model belongs to the technical field of fitness equipment, and specifically relates to a puller shell and a puller. Background Art

[0002] As a commonly used fitness equipment in the industry, a rope puller generally includes a housing, a rotating shaft mounted on the housing, a rope winding drum fixed on the rotating shaft, a rope wound on the rope winding drum, and a return spring mounted on the housing, wherein the end of the return spring is fixedly connected to the rotating shaft. During use, the user can achieve an exercise effect by pulling out the rope; however, since the rope resistance is provided by the return spring, its resistance is relatively simple, which affects its exercise effect. In order to overcome this defect, rope pullers with adjustable rope resistance have gradually appeared on the market. However, the layout between the power unit, rope winding drum and housing of this type of rope puller is unreasonable, which complicates the assembly and connection of each part and also makes the overall volume relatively large. Therefore, improvement is needed.

[0003] Utility Model Content

[0004] In order to solve the above problems in the prior art, the utility model provides a tensioner housing and a tensioner, which have a simple structure, a compact size, and are easy to carry.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] As one aspect of the present invention, a tensioner housing is proposed, which includes: a shell body, the shell body having an installation cavity, a first partition formed in the shell body, the first partition dividing the installation cavity into a first installation area and a second installation area; a second partition is formed in the first installation area, the first installation area forms a power supply unit installation area and a winding wheel installation area through the second partition; a wire outlet hole is provided on the shell body, and the wire outlet hole is connected to the winding wheel installation area.

[0007] As another aspect of the present invention, a tensioner is provided, comprising:

[0008] The tensioner housing as described above;

[0009] A circuit board is connected to the first mounting area; a battery electrically connected to the circuit board is located in the power unit mounting area; a switch button is electrically connected to the circuit board; the switch button includes a power button, a forward button, and a reverse button;

[0010] The winding wheel is rotatably connected to the winding wheel installation area; a tension rope is wound on the winding wheel, one end of the tension rope is connected to the winding wheel and then wound on the winding wheel, and the other end of the tension rope is a free end, which passes through the outlet hole to the outside of the tensioner housing;

[0011] The power unit is connected to the second installation area and is electrically connected to the circuit board; the output end of the power unit is connected to the winding wheel.

[0012] Optionally, a first cover plate is connected to the first installation area, and the first cover plate covers the circuit board and the winding wheel; a second cover plate is connected to the second installation area, and the second cover plate covers the power unit.

[0013] Optionally, the power unit includes a stator core and a rotor assembly connected to the second installation area, the stator core is electrically connected to the circuit board; the stator core is connected to the second installation area through a connecting portion formed in the second installation area; the rotor assembly is connected to the connecting portion through a rotating part; the rotor assembly covers the stator core; and the rotating shaft on the rotor assembly is connected to the axis of the winding wheel.

[0014] Optionally, a transmission part is further included, wherein the rotating shaft on the rotor assembly is connected to the winding wheel through the transmission part, and the transmission part includes a driven gear connected to the end of the winding wheel and a driving gear on the rotating shaft connected to the rotor assembly, and the driving gear is meshed with the driven gear; the driving gear and the driven gear are both located in the winding wheel installation area, and the rotating shaft on the rotor assembly is connected to the driving gear after passing through the winding wheel installation area.

[0015] Optionally, a wire member is further included, which is connected to the wire outlet hole, and the free end of the tension rope is guided to the outside of the shell through the wire member.

[0016] Optionally, a handle is further included, and the handle is detachably connected to the tensioner housing.

[0017] Optionally, an encoder is further included, and the encoder is electrically connected to the circuit board.

[0018] Optionally, a decorative plate is connected to the second cover plate.

[0019] The beneficial effects of the tensioner housing and tensioner of the utility model are specifically reflected in: 1. The tensioner housing is divided into areas according to function, so that the assembly and installation of each component are more convenient, the overall structure is more reasonable, and the production cost is lower; 2. The structural form of integral installation of the motor and the housing is adopted to ensure the structural strength of the product to the greatest extent, while also simplifying the complexity of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings in the specification, which constitute a part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0021] FIG1 is a front view of the structure of the tensioner of the present invention;

[0022] FIG2 is a diagram showing the installation state of the winding wheel of the present invention;

[0023] FIG3 is a rear view of the structure of the tensioner of the present invention;

[0024] FIG4 is a structural front view of the housing of the present invention;

[0025] FIG5 is a rear view of the structure of the housing of the present invention;

[0026] FIG6 is a schematic structural diagram of the power unit and the transmission unit of the present invention. DETAILED DESCRIPTION

[0027] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0028] A tensioner housing according to an embodiment of the present invention, as shown in Figures 1 to 3, includes: a housing body 1, the housing body 1 having an installation cavity, a first partition 11 formed in the housing body 1, the first partition 11 divides the installation cavity into a first installation area 12 and a second installation area 13; a second partition 14 is formed in the first installation area 12, the first installation area 12 forms a power supply unit installation area 15 and a winding wheel installation area 16 through the second partition 14; a wire outlet hole 17 is provided on the housing body 1, the wire outlet hole 17 is connected to the winding wheel installation area 16; the tensioner housing is integrally formed.

[0029] Another embodiment of the present invention is a tensioner, as shown in Figures 1 to 5, comprising: a circuit board 2 connected to a first mounting area 12; a battery 22 electrically connected to the circuit board 2, located in a power unit mounting area 15; a switch button 21 electrically connected to the circuit board 2, the switch button 21 including a power button 211, a forward button 212, and a reverse button 213; it should be noted that the connection method and structure of the switch button 21 and the circuit board 2 are all prior art and will not be described in detail.

[0030] The winding wheel 3 is rotatably connected to the winding wheel mounting area 16; a tension rope is wound on the winding wheel 3, one end of the tension rope is connected to the winding wheel 3 and then wound on the winding wheel 3, and the other end of the tension rope is a free end, which passes through the outlet hole 17 to the outside of the tensioner housing;

[0031] The power unit 4 is connected to the second installation area 13 , and the power unit 4 is electrically connected to the circuit board 2 ; the output end of the power unit 4 is connected to the winding wheel 3 .

[0032] In this embodiment, the power unit 4 drives the winding wheel 3 to rotate; when in use, the free end of the tension rope is pulled, and under the control of the reverse button 213, the power unit 4 drives the winding wheel 3 to reverse, so that the free end of the tension rope has a certain length; then, under the control of the forward button 212, the power unit 4 drives the winding wheel 3 to rotate forward, and the rotation of the power unit 4 generates a torque to rewind the tension rope; the user pulls the free end of the tension rope to achieve the purpose of resistance training by opposing the rotation of the power unit 4.

[0033] As a further explanation, in this embodiment, as shown in Figures 1 and 3, a first cover plate 18 is connected to the first installation area 12, and the first cover plate 18 covers the circuit board 2 and the winding wheel 3 inside; a second cover plate 19 is connected to the second installation area 13, and the second cover plate 19 covers the power part 4 inside, with good integrity and easy installation; a decorative panel 110 is connected to the second cover plate 19.

[0034] As a further explanation, in this embodiment, as shown in Figures 1 and 3, a display circuit and a breathing light circuit are provided on the circuit board 2. The structures of the display circuit and the breathing light circuit and their connection with the circuit board 2 are existing technologies and will not be repeated here. The first cover plate 18 is provided with a breathing light mounting portion 181 that cooperates with the breathing light 23 on the breathing light circuit. The first cover plate 18 is provided with a display area 182 for display, and the display area 182 cooperates 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 button mounting clearance hole 183 for installing the switch button 21.

[0035] As a specific explanation, in this embodiment, as shown in Figure 6, the power unit 4 includes a stator core 41 and a rotor assembly 43 connected to the second installation area 13, and the rotor assembly 43 is rotatable relative to the stator core 41; the stator core 41 is electrically connected to the circuit board 2; it should be noted that the stator core 41 and the rotor assembly 43 are both existing technologies and will not be repeated here; the focus of this embodiment is on how to arrange the stator core 41 and the rotor assembly 43 in the tensioner housing to maximize the space; the stator core 41 is connected to the second installation area 13 through a connecting portion 42 formed in the second installation area 13; as an example, the connecting portion 42 is a convex ring; the rotor assembly 43 is connected to the connecting portion 42 through a rotating member, and the rotating member is a bearing; the rotor assembly 43 covers the stator core 41 inside; the rotating shaft on the rotor assembly 43 is connected to the axis of the winding wheel 3, and the rotor assembly 43 works to drive the winding wheel 3 to rotate together.

[0036] As a further explanation, in this embodiment, as shown in Figures 2 and 3, a transmission part 7 is also included. The rotating shaft on the rotor assembly 43 is connected to the winding wheel 3 through the transmission part 7, so that the power output by the rotor assembly 43 has more resistance. The transmission part 7 includes a driven gear 71 connected to the end of the winding wheel 3 and a driving gear 72 connected to the rotating shaft on the rotor assembly 43. The driving gear 72 is meshed with the driven gear 71; the driving gear 72 and the driven gear 71 are both located in the winding wheel installation area 16, and the rotating shaft on the rotor assembly 43 is connected to the driving gear 72 after passing through the winding wheel installation area 16, so that the overall layout is good.

[0037] As a further explanation, in this embodiment, as shown in Figures 1 to 3 and 6, a wire member 5 is also included, which is connected to the wire outlet hole 17. The free end of the tension rope is guided to the outside of the tensioner housing through the wire member 5 to prevent the free end of the tension rope from being unevenly stressed on the wire outlet hole 17, thereby affecting the wire outlet effect; the wire member 5 is two or more wire rollers arranged at intervals on the tensioner housing, and the wire rollers are located in the wire outlet hole 17 and are used for the conductor function of the tension rope.

[0038] As a further explanation, in this embodiment, as shown in Figure 2, it also includes a handle piece 6, which is detachably connected to the tensioner housing to facilitate connecting the tensioner to a fixed object or an opponent through the handle piece 6. Then, the user pulls the free end of the tension rope to achieve the purpose of resistance training by opposing the rotation of the power part 4.

[0039] As a further explanation, in this embodiment, an encoder is also included, which is electrically connected to the circuit board 2. The encoder is used to control the number of forward or reverse rotations of the power unit 4 to prevent the power unit 4 from winding the tension rope around too much; or, a sensing element is provided on the free end of the tension rope, and the sensing element cooperates with the sensing switch on the wire outlet hole 17, and the sensing switch is electrically connected to the circuit board 2 to prevent the power unit 4 from winding the tension rope around too much; it should be noted that this control structure is a prior art and will not be described in detail.

[0040] During use, the power is turned on through the power button 211, and the free end of the tension rope is pulled. Under the control of the reverse button 213, the power unit 4 drives the winding wheel 3 to reverse, so that the free end of the tension rope has a certain length; then, under the control of the forward button 212, the power unit 4 drives the winding wheel 3 to rotate forward, and the rotation of the power unit 4 generates a torque to rewind the tension rope; the user pulls the free end of the tension rope to achieve the purpose of resistance training by opposing the rotation of the power unit 4.

[0041] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0042] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0043] In the description of this application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0044] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0045] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0046] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model in specific circumstances.

[0047] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A tensioner housing, characterized in that: It includes: A shell body, the shell body having an installation cavity, a first partition being formed in the shell body, the first partition dividing the installation cavity into a first installation area and a second installation area; a second partition being formed in the first installation area, the first installation area forming a power supply unit installation area and a winding wheel installation area through the second partition; a wire outlet hole being provided on the shell body, the wire outlet hole being communicated with the winding wheel installation area.

2. A tensioner, characterized in that: It includes: The tensioner housing according to claim 1; A circuit board is connected to the first mounting area; A battery electrically connected to the circuit board is located in the power supply unit installation area; a switch button is electrically connected to the circuit board; the switch button includes a power button, a forward button, and a reverse button; The winding wheel is rotatably connected to the winding wheel installation area; a tension rope is wound on the winding wheel, one end of the tension rope is connected to the winding wheel, and then wound on the winding wheel, and the other end of the tension rope is a free end, which passes through the outlet hole to the outside of the tensioner housing; The power unit is connected to the second installation area, and the power unit is electrically connected to the circuit board; the output end of the power unit is connected to the winding wheel.

3. The tensioner according to claim 2, characterized in that: The first installation area is connected to a first cover plate, which houses a circuit board and a winding wheel; the second installation area is connected to a second cover plate, which houses a power unit.

4. The tensioner according to claim 2, characterized in that: The power unit includes a stator core and a rotor assembly connected to the second installation area, the stator core is electrically connected to the circuit board; the stator core is connected to the second installation area through a connecting portion formed in the second installation area; the rotor assembly is connected to the connecting portion through a rotating member; the rotor assembly covers the stator core inside; and the rotating shaft on the rotor assembly is connected to the axis of the winding wheel.

5. The tensioner according to claim 4, characterized in that: It also includes a transmission part, through which the rotating shaft on the rotor assembly is connected to the winding wheel. The transmission part includes a driven gear connected to the end of the winding wheel and a driving gear on the rotating shaft connected to the rotor assembly, and the driving gear is meshed with the driven gear; the driving gear and the driven gear are both located in the winding wheel installation area.

6. The tensioner according to claim 2 or 4, characterized in that: It also includes a wire member, which is connected to the wire outlet hole, and the free end of the tension rope is guided to the outside of the tensioner housing through the wire member.

7. The tensioner according to claim 2 or 4, characterized in that: It also includes a handle piece, which is detachably connected to the tensioner housing.

8. The tensioner according to claim 2 or 4, characterized in that: An encoder is also included, and the encoder is electrically connected to the circuit board.

9. The tensioner according to claim 3, characterized in that: The second cover plate is connected to a decorative plate.

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