CN215995477U - Magnetic control group adjusting structure on treadmill - Google Patents

Abstract

The utility model relates to the field of running machines, in particular to a magnetic control group adjusting structure on a running machine, which comprises an inertia wheel group linked with a running belt, a magnetic control device used for generating a magnetic field to generate resistance to the inertia wheel group, and a control device arranged at the upper end of a stand column and connected with the magnetic control device through a pull rope; the control device controls the magnetic control device to be close to or far away from the inertia wheel set. The control device comprises a handle hinged at the upper end of the upright column, a rotating part connected with the handle and rotating coaxially, a positioning plate capable of being arranged axially opposite to the rotating part, and a positioning assembly arranged on the rotating part or the positioning plate; the upper end of stay cord is connected on rotating the piece, rotates the piece and can be relative locating plate circumferential direction to realize circumferential location based on locating component. The structure is convenient for the user to operate, adjust and position the resistance.

Description

Magnetic control group adjusting structure on treadmill

Technical Field

The utility model relates to a treadmill field especially relates to a magnetic control group on treadmill adjusts structure.

Background

The treadmill is the body-building apparatus that family and gymnasium were always equipped with, and general treadmill includes handrail, frame, running belt etc. and this handrail is installed in the front portion of this frame, and preceding wheelset and back wheelset are installed respectively to both ends around this frame, and this running belt is around establishing between the preceding wheelset and the back wheelset of this frame, and the runner just can run the exercise as long as step on running belt, and it is very convenient to use, and can provide timely motion at any time to reach certain amount of exercise. The existing mainstream treadmill is driven by electric power, and the running speed is adjusted based on the running belt rotating speed; in another unpowered treadmill, a running belt is driven to circulate through manual running, an inertia wheel, also called a flywheel, is arranged in a front wheel set or a rear wheel set, a magnetic control device is arranged beside the inertia wheel, and the rotating resistance of the inertia wheel is adjusted through the magnetic control device, so that the resistance of a user during running is adjusted. The structure can refer to a magnetic control resistance system of the body-building machine described in the Chinese utility model patent text with the publication number of "CN 2326290Y" and a magnetic control resistance adjusting structure of the environment-friendly unpowered treadmill described in the Chinese utility model patent text with the publication number of "CN 213252806U"; the above scheme adopts the arc magnetic plate to be close to or far away from the inertia wheel so as to achieve the purpose of adjusting the resistance.

However, in the above-mentioned scheme, the patent document with the publication number "CN 2326290Y" does not describe the control method of the magnetic control structure, while the operating device in the patent document with the publication number "CN 213252806U" is installed on the treadmill side, which is inconvenient for the user to operate and adjust the resistance when using the device, and the scheme does not describe how to position the operating end so that the magnetic resistance is within the set range.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide an adjusting structure for a magnetic control assembly of a treadmill, which facilitates the operation, adjustment and positioning resistance of a user.

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

a magnetic control group adjusting structure on a running machine comprises an inertia wheel set linked with a running belt, a magnetic control device used for generating resistance to the inertia wheel set by a magnetic field, and a control device arranged at the upper end of an upright post and connected with the magnetic control device through a pull rope; the control device controls the magnetic control device to be close to or far away from the inertia wheel set; the method is characterized in that: the control device comprises a handle hinged at the upper end of the upright column, a rotating part connected with the handle and rotating coaxially, a positioning plate capable of being arranged axially opposite to the rotating part, and a positioning assembly arranged on the rotating part or the positioning plate; the upper end of stay cord is connected on rotating the piece, rotates the piece and can be relative locating plate circumferential direction to realize circumferential location based on locating component.

The utility model adopts the above technical scheme, this technical scheme relates to a magnetic control group on treadmill adjusts structure, adopts the flywheel group to take the linkage mutually with running in this structure, and the foot is stepped on when the user runs and is run the area and make the flywheel group rotate. In the process, the magnetic control device generates magnetic resistance for the inertia wheel set, and the magnetic resistance can be increased or reduced by adjusting the magnetic control device to be close to or far away from the inertia wheel set. In a further scheme, the structure adopts a control device which is connected with and controls a magnetic control device through a pull rope, a handle in the control device is hinged at the upper end of an upright post and is coaxially linked with a rotating piece, and the upper end part of the pull rope is connected to the rotating piece; when the handle is operated by a user, the pull rope can be pulled or loosened when the handle and the rotating part connected with the handle rotate, and then the magnetic control device is controlled to be close to or far away from the inertia wheel set; according to the scheme, the handle is arranged at the upper end of the upright post, so that a user can adjust resistance in movement, and the device is very convenient. And, set up locating plate and locating component in the controlling means. In the adjusting process, the rotating piece and the positioning plate rotate circumferentially relative to each other; after the adjustment is finished, the rotating piece and the positioning plate are locked through the positioning assembly, so that the magnetic control device is in a fixed position, and constant resistance is provided.

In a further embodiment, a plurality of positioning ports are arranged on the end surface of the positioning plate or the end surface of the rotating member, and the plurality of positioning ports are circumferentially arranged along the axis of the rotating member as a circle center; the locating component comprises a ball and a spring which are arranged in the rotating part or the locating plate, the deformation end of the spring is propped against the ball, and the outer wall of the part of the ball extends out of the rotating part or the locating plate and can be clamped and located with the locating opening. The positioning port and the positioning component in the scheme are arranged oppositely, namely the positioning port is arranged on the end surface of the positioning plate, and the positioning component is arranged in the rotating part; and vice versa. In the scheme, the spring supports are propped against the ball, and the positioning is realized when part of the outer wall of the ball is clamped with the positioning port; when adjusting, the user breaks the handle off with the fingers and thumb, and when the handle drive rotated the piece and rotated, the ball was deviate from and extruded the spring from the locating hole, and the spring release was in the card income locating hole with the ball after meetting suitable locating hole, realized the location.

Preferably, a clamping groove is formed in the side wall of the rotating part, and the end part of the pull rope is clamped and positioned in the clamping groove of the rotating part; the end connection of the rotating piece and the pull rope is realized through the structure, and the structure is very convenient.

Preferably, the upper end of the upright post is provided with a base in a sleeved mode, and an axle hole is formed in the upright post in the base; the rotating piece and the positioning plate are arranged in the shaft hole, the pull rope is arranged in the stand column, the positioning plate is fixedly connected with the base, and the handle is positioned on the outer side wall of the base and is connected with the rotating piece through the rotating shaft penetrating through the base. In the technical scheme, the rotating piece and the positioning plate are hidden and arranged in the shaft hole of the upright post and are wrapped in the shaft hole through the base, so that the rotating piece and the positioning plate can be attached without separation; and the pull rope can be arranged in the upright post, the upper end part of the pull rope penetrates into the shaft hole to be connected with the rotating piece, and the hidden arrangement of the control rope is realized.

Preferably, the base comprises side plates arranged on two sides of the upright post, the two side walls are butted to form the base, and the upper end of the upright post is covered inside the base.

In the scheme, the magnetic control device is close to or far from the inertia wheel set, so that the structure does not need a large stroke and needs to limit the control device to adjust within a certain range. Therefore, in the scheme, the base is provided with a limiting arc-shaped hole which takes the rotating shaft as the circle center, and the handle and/or the rotating part are/is provided with a limiting shaft which penetrates through the limiting arc-shaped hole. The limiting shaft on the handle and/or the rotating part is arranged in the limiting arc-shaped hole, the limiting arc-shaped hole is used for limiting the rotating range of the handle and the rotating part, and the plurality of positioning holes are only required to be arranged in the rotating range.

Preferably, the handle is a U-shaped handle, and the upper end of the upright post extends into the U-shaped opening of the handle; the U-shaped two ends of the handle are positioned at two sides of the upright post and are connected through a rotating part. Adopt the U-shaped handle in this scheme, its U-shaped both ends link to each other through the pivot and link with inside rotation piece, so can guarantee the stability of handle operation.

Preferably, the magnetic control device comprises an arc-shaped plate, a magnet and an elastic assembly, wherein one end of the arc-shaped plate is hinged to the rack, the magnet is attached and fixed to the arc-shaped plate, and the elastic assembly applies force to the free end of the arc-shaped plate; the free end of the arc-shaped plate can rotate along the hinged end to be close to or far away from the inertia wheel set, the free end of the arc-shaped plate is close to the inertia wheel set through the elasticity of the elastic assembly, and the lower end of the pull rope is connected to the free end of the arc-shaped plate. In the scheme, a plurality of magnets are arranged on an arc-shaped plate, and a magnetic field generated by the magnets can generate resistance for an inertia wheel set; one end of the arc-shaped plate is rotatably arranged on the rack, and when the pull rope pulls the free end of the arc-shaped plate, the free end of the arc-shaped plate is far away from the inertia wheel set; when the pull rope is loosened, the free end of the arc-shaped plate is close to the inertia wheel set under the action of the elastic component.

In a further scheme, the elastic assembly comprises a connecting shaft and a pressure spring, wherein two end parts of the connecting shaft are connected with the free end of the arc-shaped plate and the rack, and the pressure spring is sleeved on the connecting shaft; the free end of the arc-shaped plate can move along the connecting shaft and extrude the pressure spring.

Preferably, the pressure spring is a conical pressure spring, the deformation range of the conical pressure spring is larger, and the magnetic resistance adjustment range in the same space is larger.

Drawings

FIG. 1 is a side cross-sectional view of a treadmill.

Fig. 2 is an exploded view of the adjustment structure of the magnetic control set on the treadmill.

Fig. 3 is a partially enlarged view of fig. 2.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1-3, the present embodiment relates to a magnetic control group adjusting structure on a treadmill, which includes an inertia wheel set 1 linked with a running belt, a magnetic control device 2 for generating a magnetic field to generate resistance to the inertia wheel set 1, and a control device 3 disposed at the upper end of a vertical column 10 and connected to the magnetic control device 2 through a pull rope 4. The control device 3 controls the magnetic control device 2 to be close to or far away from the inertia wheel set 1. The control device 3 comprises a handle 31 hinged at the upper end of the upright post 10, a rotating part 32 connected with the handle 31 and rotating coaxially, a positioning plate 33 capable of being arranged opposite to the rotating part 32 in the axial direction, and a positioning component arranged on the rotating part 32 or the positioning plate 33. The upper end of the pull rope 4 is connected to the rotating part 32, specifically, a clamping groove 321 is arranged on the side wall of the rotating part 32, and the end of the pull rope 4 is clamped and positioned in the clamping groove 321 of the rotating part 32. This structure realizes the connection of the rotating member 32 to the end of the pulling rope 4, which is very convenient. The rotating member 32 can rotate circumferentially relative to the positioning plate 33 and is positioned circumferentially based on the positioning assembly.

Adopt the inertia wheelset 1 to link with the running belt in the above-mentioned structure, the user steps on the running belt when running and makes the inertia wheelset 1 rotate. In the process, the magnetic control device 2 generates magnetic resistance for the inertia wheel set 1, and the magnetic resistance can be increased or reduced by adjusting the magnetic control device 2 to be close to or far away from the inertia wheel set 1. In a further scheme, the structure adopts that the control device 3 is connected with and controls the magnetic control device 2 through the pull rope 4, the handle 31 in the control device 3 is hinged at the upper end of the upright post 10, the handle 31 is coaxially linked with the rotating piece 32, and the upper end part of the pull rope 4 is connected to the rotating piece 32. When a user uses the magnetic control device, the user operates the handle 31, and the handle 31 and the rotating member 32 connected with the handle rotate to pull or release the pull rope 4, so as to control the magnetic control device 2 to be close to or far from the inertia wheel set 1. The scheme arranges the handle 31 at the upper end of the upright post 10, so that a user can adjust resistance in movement, and the upright post is very convenient. Further, the control device 3 is provided with a positioning plate 33 and a positioning member. During the above adjustment, the rotating member 32 and the positioning plate 33 rotate circumferentially relative to each other. After the adjustment is completed, the rotating member 32 and the positioning plate 33 are locked by the positioning assembly, so that the magnetic control device 2 is in a fixed position, and a constant resistance is provided.

In a further embodiment, a plurality of positioning holes 331 are formed in an end surface of the positioning plate 33 or an end surface of the rotating member 32, and the plurality of positioning holes 331 are circumferentially arranged around an axis of the rotating member 32. The positioning assembly comprises a ball 34 and a spring 35 which are arranged in the rotating piece 32 or the positioning plate 33, the deformation end of the spring 35 is propped against the ball 34, and part of the outer wall of the ball 34 extends out of the rotating piece 32 or the positioning plate 33 and can be clamped and positioned with the positioning opening 331. The positioning opening 331 in this embodiment is disposed opposite to the positioning component, that is, the positioning opening 331 is disposed on the end surface of the positioning plate 33, and the positioning component is disposed in the rotating component 32. And vice versa. In this embodiment, the spring 35 is supported on the ball 34, and a part of the outer wall of the ball 34 is engaged with the positioning opening 331 to achieve positioning. During adjustment, when a user pulls the handle 31, the handle 31 drives the rotating member 32 to rotate, the ball 34 is pulled out of the positioning opening 331 and presses the spring 35 until the spring 35 is released after meeting the proper positioning opening 331 to clamp the ball 34 into the positioning opening 331, so that positioning is achieved.

The upper end of the upright post 10 is provided with a base 36 in a sleeved mode, the base 36 comprises side plates 361 arranged on two sides of the upright post 10, the two side walls are in butt joint to form the base 36, and the upper end of the upright post 10 is wrapped inside the base. Shaft holes 101 are formed in the vertical columns 10 in the base 36, the rotating piece 32 and the positioning plate 33 are arranged in the shaft holes 101, the pull rope 4 is arranged in the vertical columns 10, the positioning plate 33 is fixedly connected with the base 36, and the handle 31 is located on the outer side wall of the base 36 and is connected with the rotating piece 32 through a rotating shaft 37 penetrating through the base 36. In this technical scheme, hide and install rotation piece 32 and locating plate 33 in the shaft hole 101 of stand 10 to through the cladding of base 36 wherein, so can ensure that rotation piece 32 and locating plate 33 are laminated mutually, do not deviate from. The control rope can be hidden by arranging the pull rope 4 in the upright post 10 and connecting the upper end part of the pull rope with the rotating piece 32 through the shaft hole 101.

In the scheme, the magnetic control device 2 is close to or far from the inertia wheel set 1, and the structure does not need a large stroke and needs to limit the control device 3 to adjust within a certain range. Therefore, in this embodiment, the base 36 is provided with a limiting arc-shaped hole 362 using the rotating shaft 37 as a center, and the handle 31 and/or the rotating member 32 is provided with a limiting shaft 38 penetrating through the limiting arc-shaped hole 362. The limiting shaft 38 of the handle 31 and/or the rotating member 32 is disposed in the limiting arc hole 362, the limiting arc hole 362 is used to limit the rotating range of the handle 31 and the rotating member 32, and the plurality of positioning holes 331 only need to be disposed in the rotating range.

In a further scheme, the handle 31 is a U-shaped handle, and the upper end of the upright post 10 extends into the U-shaped opening of the handle 31. The U-shaped ends of the handle 31 are located on either side of the upright 10 and are connected by a pivot 32. In this solution, a U-shaped handle is used, the two ends of the U-shape of which are connected by a rotating shaft 37 and are linked with an internal rotating member 32, so that the stability of the operation of the handle 31 can be ensured.

As shown in fig. 2, the magnetic control device 2 includes an arc plate 21 with one end hinged to the frame, a magnet 22 attached to the arc plate 21, and an elastic component for applying force to the free end of the arc plate 21. The free end of the arc-shaped plate 21 can rotate along the hinged end to be close to or far away from the inertia wheel set 1, the free end of the arc-shaped plate 21 is close to the inertia wheel set 1 through the elastic force of the elastic component, and the lower end of the pull rope 4 is connected to the free end of the arc-shaped plate 21. In this scheme, set up polylith magnet 22 on the arc 21, the magnetic field that polylith magnet 22 produced can produce the resistance to inertia wheelset 1. One end of the arc plate 21 is rotatably arranged on the frame, and when the pull rope 4 pulls the free end of the arc plate 21, the free end of the arc plate 21 is far away from the inertia wheel set 1. When the pulling rope 4 is loosened, the free end of the arc-shaped plate 21 is close to the inertia wheel set 1 under the action of the elastic component.

In a further scheme, the elastic component comprises a connecting shaft 23 and a pressure spring 24, wherein two end parts of the connecting shaft 23 are connected with the free end of the arc-shaped plate 21 and the frame, and the pressure spring 24 is sleeved on the connecting shaft 23. The free end of the arc plate 21 can move along the connecting shaft 23 and press the compression spring 24. The pressure spring 24 is a conical pressure spring 24, the deformation range of the conical pressure spring 24 is larger, and the magnetic resistance adjustment range in the same space is larger.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims (10)

1. A magnetic control group adjusting structure on a running machine comprises an inertia wheel set (1) linked with a running belt, a magnetic control device (2) used for generating a magnetic field to generate resistance to the inertia wheel set (1), and a control device (3) arranged at the upper end of an upright post (10) and connected with the magnetic control device (2) through a pull rope (4); the control device (3) controls the magnetic control device (2) to be close to or far away from the inertia wheel set (1); the method is characterized in that: the control device (3) comprises a handle (31) hinged to the upper end of the upright post (10), a rotating part (32) which is connected with the handle (31) and coaxially rotates, a positioning plate (33) which can be axially opposite to the rotating part (32), and a positioning assembly arranged on the rotating part (32) or the positioning plate (33); the upper end of stay cord (4) is connected on rotating piece (32), and rotating piece (32) can be relative locating plate (33) circumferential direction to realize circumferential location based on locating component.

2. The adjustment structure of magnetic control group of running machine as claimed in claim 1, wherein: a plurality of positioning openings (331) are formed in the end face of the positioning plate (33) or the end face of the rotating part (32), and the plurality of positioning openings (331) are circumferentially arranged along the axis of the rotating part (32) as a circle center; the positioning assembly comprises a ball (34) and a spring (35) which are arranged in the rotating piece (32) or the positioning plate (33), the deformation end of the spring (35) is propped against the ball (34), and the partial outer wall of the ball (34) extends out of the rotating piece (32) or the positioning plate (33) and can be clamped and positioned with the positioning opening (331).

3. The adjustment structure of magnetic control group of running machine as claimed in claim 1, wherein: the side wall of the rotating part (32) is provided with a clamping groove (321), and the end part of the pull rope (4) is clamped and positioned in the clamping groove (321) of the rotating part (32).

4. The adjustment structure of magnetic control group of running machine as claimed in claim 1, wherein: the upper end of the upright post (10) is provided with a base (36) in a sleeved mode, and a shaft hole (101) is formed in the upright post (10) in the base (36); the rotating piece (32) and the positioning plate (33) are arranged in the shaft hole (101), the pull rope (4) is arranged in the upright post (10), the positioning plate (33) is fixedly connected with the base (36), and the handle (31) is positioned on the outer side wall of the base (36) and is connected with the rotating piece (32) through the rotating shaft (37) penetrating through the base (36).

5. The adjustment structure of magnetic control group of running machine as claimed in claim 4, wherein: the base (36) comprises side plates (361) arranged on two sides of the upright post (10), the two side walls are butted to form the base (36), and the upper end of the upright post (10) is coated inside.

6. The adjustment structure of magnetic control group of running machine as claimed in claim 4, wherein: the base (36) is provided with a limiting arc-shaped hole (362) taking the rotating shaft (37) as a circle center, and the handle (31) and/or the rotating part (32) are/is provided with a limiting shaft (38) penetrating through the limiting arc-shaped hole (362).

7. The adjustment structure of magnetic control group of running machine as claimed in claim 4, wherein: the handle (31) is a U-shaped handle, and the upper end of the upright post (10) extends into the U-shaped opening of the handle (31); the U-shaped two ends of the handle (31) are arranged at two sides of the upright post (10) and connected through a rotating part (32).

8. The adjustment structure of magnetic control group of running machine as claimed in claim 1, wherein: the magnetic control device (2) comprises an arc-shaped plate (21) with one end hinged on the rack, a magnet (22) attached and fixed on the arc-shaped plate (21), and an elastic component applying force to the free end of the arc-shaped plate (21); the free end of arc (21) can rotate along its hinged end in order to be close to or keep away from inertia wheelset (1), and elastic component's elasticity makes the free end of arc (21) be close to inertia wheelset (1), and the lower tip of stay cord (4) is connected at the free end of arc (21).

9. The adjustment structure of a magnetic control set on a running machine as claimed in claim 8, wherein: the elastic component comprises a connecting shaft (23) and a pressure spring (24), wherein two end parts of the connecting shaft (23) are connected with the free end of the arc-shaped plate (21) and the rack, and the pressure spring (24) is sleeved on the connecting shaft (23); the free end of the arc-shaped plate (21) can move along the connecting shaft (23) and extrude the pressure spring (24).

10. The adjustment structure of a magnetic control set on a running machine as claimed in claim 9, wherein: the pressure spring (24) is a conical pressure spring (24).

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