CN213432788U - Running machine - Google Patents

Abstract

The present disclosure relates to a treadmill, which includes an armrest column, wherein two ends of the armrest part are respectively connected with column parts in the axial direction, one end of each column part, which is far away from the armrest part, can be pivotally connected with a running frame around a pivot axis parallel to the X direction so as to switch between a unfolding position and a folding position, the upper end of a first column is connected with the armrest part, the lower end of the first column can be axially movably inserted into a second column or the upper end of the second column can be axially movably inserted into the first column; the upright post rotating driving mechanism is used for driving the upright post part to rotate around the pivot axis relative to the running frame; the upright post telescoping mechanism is used for driving one of the first upright post and the second upright post to axially move relative to the other so as to enable the upright post to partially elongate or shorten; the control module is respectively electrically connected with the upright post rotary driving mechanism and the upright post telescopic mechanism so as to respectively control the upright post rotary driving mechanism and the upright post telescopic mechanism. This treadmill can automatic folding and automatic flexible handrail stand.

Description

Running machine

Technical Field

The disclosure relates to the technical field of fitness equipment, in particular to a running machine.

Background

The treadmill is a body-building apparatus which is always provided for families and gymnasiums, is the simplest one of the current family body-building apparatuses, and is the best choice of the family body-building apparatus. The treadmill often needs certain space of putting because of the bulky, and wherein, the collapsible design of treadmill can be convenient for fold the treadmill under the condition of not using to can save self occupation space. In the related art, the foldable treadmill is generally folded and unfolded with respect to the treadmill body by a user's manual operation of the armrest post, and has a low degree of automation and is inconvenient to operate and use.

Accordingly, there is a need for a treadmill that can automatically fold and telescope the handrail columns.

SUMMERY OF THE UTILITY MODEL

It is an object of the present disclosure to provide a treadmill that is capable of automatically folding and telescoping handrail uprights.

In order to achieve the above object, the present disclosure provides a treadmill comprising: a running frame; the armrest upright post comprises an armrest part and an upright post part, wherein the upright post part is respectively connected to two ends of the armrest part in the axial direction, one end, away from the armrest part, of each upright post part is pivotally connected to the running frame around a pivot axis parallel to the X direction so as to switch between a unfolding position and a folding position, the upright post part comprises a first upright post and a second upright post which are coaxially arranged, the upper end of the first upright post is connected to the armrest part, and the lower end of the first upright post is axially movably inserted into the second upright post or the upper end of the second upright post is axially movably inserted into the first upright post; the upright post rotating driving mechanism is used for driving the upright post part to rotate around the pivot axis relative to the running frame; a column telescoping mechanism for driving one of the first column and the second column to move axially relative to the other to cause the column to partially lengthen or shorten; and the control module is electrically connected with the upright post rotary driving mechanism and the upright post telescopic mechanism respectively so as to control the upright post rotary driving mechanism and the upright post telescopic mechanism respectively.

Optionally, the column telescoping mechanism is provided within the column section to drive axial movement of the first and second columns relative to each other.

Optionally, the stand telescopic machanism includes motor and screw drive structure, the motor is fixed in the second stand, the screw drive structure includes matched with screw rod and swivel nut, the screw rod coaxial link firmly in the output shaft of motor, the swivel nut is fixed in first stand.

Optionally, the motor and the lead screw transmission structure are configured as a lead screw stepper motor.

Optionally, a guiding and limiting structure is disposed between the first column and the second column to limit the offset motion of the first column and the second column and guide the axial movement of the first column and the second column, the guiding and limiting structure includes a first guiding and limiting member, the first guiding and limiting member is fixedly disposed at one end of the second column facing the first column, and the first column is sleeved with the first guiding and limiting member.

Optionally, the first guiding limiting part includes a cylindrical first guiding limiting body suitable for being sleeved on the first column in a clearance fit manner, a stopping portion is arranged at one end of the first guiding limiting body facing the first column, and the stopping portion protrudes out of the outer surface of the second column in a radial direction.

Optionally, the guide limiting structure includes a second guide limiting part, the second guide limiting part is sleeved and fixed at one end of the first column facing the second column, and the second guide limiting part is disposed in the second column in a clearance fit manner.

Optionally, the pillar rotation driving mechanism is fixed to the runner frame and configured as a reduction motor, and the second pillar of each pillar portion is pivotally connected to an output shaft of the corresponding reduction motor about the pivot axis by a connecting member, respectively.

Optionally, the connecting member includes a first connecting portion and a second connecting portion connected with each other, the first connecting portion is inserted into the second upright and fixedly connected with the second upright through a fastener, and the second connecting portion is pivotally connected to the output shaft of the speed reducing motor to rotate along with the output shaft around a pivot axis parallel to the X direction.

Optionally, the treadmill comprises an external signal input module for sending a retracting signal, a deploying signal, a retracting signal and an extending signal, the control module is in communication connection with the external signal input module, and the control module is used for controlling the upright post rotation driving mechanism to drive the upright post part to rotate forwards and backwards around the pivot axis according to the retracting signal and the deploying signal; the control module is used for controlling the upright post telescoping mechanism to drive the first upright post and the second upright post to move in the axial direction relative to and away from each other according to the retraction signal and the extension signal.

Through above-mentioned technical scheme, in the treadmill that this disclosure provided, when folding and shrink the handrail stand of treadmill, control stand rotation driving mechanism and stand telescopic machanism respectively through control module to realize the automatic folding and the automatic shrink of handrail stand. When the handrail upright post of the treadmill is folded, the upright post rotating and driving mechanism drives the upright post part to rotate around a pivot axis parallel to the X direction relative to the running frame, so that the handrail upright post is switched between the unfolding position and the folding position. When the handrail upright post of the treadmill is contracted, the upright post telescopic mechanism drives one of the first upright post and the second upright post to axially move relative to the other so as to partially extend or shorten the upright post, thereby realizing the contraction of the handrail upright post. Therefore, when the user needs to use the treadmill, the handrail upright can be in the unfolding position under the action of the upright rotating and driving mechanism, and the upright can be partially stretched under the action of the upright telescopic mechanism, so that the user can use the treadmill conveniently. When the user does not use the treadmill, can make the handrail stand be in the position of packing up and make the stand part shorten under the effect of stand telescopic machanism under the effect of stand rotation driving mechanism to can save the occupation space of treadmill, consequently, can fold automatically and automatic flexible handrail stand through the treadmill that this disclosure provided.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic perspective view of a treadmill according to an embodiment of the present disclosure;

FIG. 2 is a schematic perspective view of a column portion of a treadmill with a second column removed in accordance with an embodiment of the present disclosure;

FIG. 3 is a schematic perspective view of a column rotation drive mechanism in a treadmill according to an embodiment of the present disclosure;

FIG. 4 is a schematic perspective view of a post extending mechanism of a treadmill according to an embodiment of the present disclosure, wherein a first post, a first guide limit and a second guide limit are shown;

FIG. 5 is another schematic perspective view of a post retracting mechanism in a treadmill according to an embodiment of the present disclosure, wherein a first post and a first guide stop are shown;

FIG. 6 is a schematic perspective view of another upright telescoping mechanism in a treadmill according to an embodiment of the present disclosure;

FIG. 7 is a schematic perspective view of a first guide stop in a treadmill according to an embodiment of the present disclosure;

fig. 8 is a schematic perspective view illustrating a second guiding position-limiting element of the treadmill according to an embodiment of the disclosure.

Description of the reference numerals

1-running frame; 2-handrail upright post; 21-a handrail portion; 22-a column portion; 221-a first column; 2211-avoiding holes; 2212-first mating hole; 222-a second upright; 2221-second mating hole; 223-a first guiding limit; 2231-a first guiding and limiting body; 2232-a stop; 2233-a flexible sheet; 2234-a first projection; 224-a second guiding limit; 2241-a second guiding and limiting body; 2242-a second projection; 3-column rotation driving mechanism; 31-a reduction motor; 32-an output shaft; 33-a connector; 331-a first connecting portion; 332-a second connecting portion; 4-a column telescoping mechanism; 41-a motor; 42-screw rod; 43-thread insert; and 5, a control module.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, for convenience of understanding, the treadmill is defined to have an X direction, a Y direction and a Z direction which are perpendicular to each other, wherein the X direction is a longitudinal direction of the treadmill, the corresponding length is defined, a front position and a rear position are defined, the Y direction is a transverse direction of the treadmill, the corresponding width is defined, a left position and a right position are defined, the Z direction is a vertical direction of the treadmill, the corresponding height is defined, an upper position and a lower position are defined, specifically, when a side corresponding to the front roller is a front side and a side corresponding to the rear roller is a rear side, when the user faces forward, a side corresponding to the left hand is a left side, a side corresponding to the right hand is a right side, a side corresponding to the head is an upper side and a side corresponding to the foot is a lower side, and in the case of not being described to the contrary, the terms of orientation such as "inside and outside. Moreover, the use of the terms first, second, etc. are intended to distinguish one element from another, and are not necessarily intended to have a sequential or chronological significance. Moreover, the following description refers to the accompanying drawings, in which like reference numerals refer to the same or similar elements throughout the different views, and the disclosure will not be described in detail.

According to an embodiment of the present disclosure, there is provided a treadmill, as shown in fig. 1 to 8, including: a running frame 1; the handrail upright post 2, the handrail upright post 2 includes handrail part 21 and upright part 22, the both ends of handrail part 21 in the axial direction connect with the upright part 22 separately, the end of each upright part 22 far away from handrail part 21 can connect to the running frame 1 pivotally around the pivot axis parallel to X-direction, in order to switch between the deployed position and the stowed position, the upright part 22 includes the first pillar 221 and the second pillar 222 that set up coaxially, the upper end of the first pillar 221 is connected to handrail part 21, the lower end of the first pillar 221 can be inserted into the second pillar 222 axially movably or the upper end of the second pillar 222 can be inserted into the first pillar 221 axially movably; a column rotation driving mechanism 3 for driving the column part 22 to rotate around the pivot axis relative to the running frame 1; a column telescoping mechanism 4 for driving one of the first column 221 and the second column 222 to move axially relative to the other to lengthen or shorten the column section 22; and the control module 5 is electrically connected with the upright post rotary driving mechanism 3 and the upright post telescoping mechanism 4 respectively so as to control the upright post rotary driving mechanism 3 and the upright post telescoping mechanism 4 respectively.

Through the technical scheme, in the treadmill provided by the present disclosure, when the handrail stand column 2 of the treadmill is folded and contracted, the stand column rotation driving mechanism 3 and the stand column telescopic mechanism 4 are respectively controlled by the control module 5, so as to realize the automatic folding and automatic contraction of the handrail stand column 2. Wherein, when the handrail upright 2 of the treadmill is folded, the upright rotation driving mechanism 3 drives the upright part 22 to rotate around the pivot axis parallel to the X direction relative to the running frame 1, so that the handrail upright 2 is switched between the unfolding position and the folding position. When the handrail upright 2 of the treadmill is contracted, the upright telescoping mechanism 4 drives one of the first upright 221 and the second upright 222 to move axially relative to the other so as to extend or shorten the upright portion 22, thereby realizing the contraction of the handrail upright 2. Thus, when a user desires to use the treadmill, the handrail column 2 can be brought into the deployed position by the column rotation driving mechanism 3 and the column section 22 can be extended by the column retracting mechanism 4 for the user's convenience. When the user does not use the treadmill, can make handrail stand 2 be in the position of packing up and make the stand part 22 shorten under the effect of stand telescopic machanism 4 under the effect of stand rotation driving mechanism 3 to can save the occupation space of treadmill, consequently, can fold and automatic flexible handrail stand 2 automatically through the treadmill that this disclosure provided.

In the specific embodiments provided by the present disclosure, the mast retraction mechanism 4 may be arranged in any suitable manner. Alternatively, referring to fig. 2 and 4 to 6, a column telescoping mechanism 4 may be provided within the column section 22 to drive axial movement of the first column 221 and the second column 222 relative to each other to achieve lengthening or shortening of the column section 22. Wherein, the upright post telescoping mechanism 4 is arranged inside the upright post part 22, and can fully utilize the inner space of the upright post part 22 while ensuring the telescoping of the upright post part 22, which is beneficial to improving the aesthetic property of the treadmill. In other embodiments of the present disclosure, the column telescoping mechanism 4 may also be disposed outside of the column section 22 and may be capable of driving the axial movement of the first column 221 and the second column 222 relative to each other. The disclosure is not limited in this regard.

In the specific embodiments provided by the present disclosure, the mast retraction mechanism 4 may be configured in any suitable manner. Alternatively, referring to fig. 2 and fig. 4 to 6, the upright post retracting mechanism 4 may include a motor 41 and a screw transmission structure, the motor 41 is fixed in the second upright post 222, the screw transmission structure includes a screw rod 42 and a threaded sleeve 43 which are matched, the screw rod 42 is coaxially connected to an output shaft of the motor 41, and the threaded sleeve 43 is fixed on the first upright post 221. When the motor 41 works, the output shaft of the motor 41 drives the screw rod 42 to rotate, so that the threaded sleeve 43 matched with the screw rod 42 axially moves on the screw rod 42, and further the first upright column 221 axially moves relative to the second upright column 222, thereby realizing the extension or the shortening of the upright column part 22, wherein when the first upright column 221 moves in the direction close to the second upright column 222 under the action of the motor 41, the upright column part 22 shortens, and when the first upright column 221 moves in the direction away from the second upright column 222 under the action of the motor 41, the upright column part 22 extends.

Still alternatively, the upright post telescoping mechanism 4 may include a motor 41 and a screw rod transmission structure, the motor 41 is fixed in the first upright post 221, the screw rod transmission structure includes a screw rod 42 and a threaded sleeve 43 which are matched, the screw rod 42 is coaxially connected to an output shaft of the motor 41, and the threaded sleeve 43 is fixed on the second upright post 222. When the motor 41 works, the output shaft of the motor 41 drives the screw rod 42 to rotate, so that the threaded sleeve 43 matched with the screw rod 42 axially moves on the screw rod 42, and further the second upright column 222 axially moves relative to the first upright column 221, thereby realizing the extension or the shortening of the upright column part 22, wherein when the second upright column 222 moves in the direction close to the first upright column 221 under the action of the motor 41, the upright column part 22 shortens, and when the second upright column 222 moves in the direction away from the first upright column 221 under the action of the motor 41, the upright column part 22 extends.

In other embodiments of the present disclosure, the pillar stretching mechanism 4 may also be configured in other manners, for example, the pillar stretching mechanism 4 is configured as an electric stretching rod structure, and the like, and the present disclosure is not limited thereto. The present disclosure can be adaptively selected according to actual needs. In the following, the present disclosure is exemplified by only the case where the column telescoping mechanism 4 is configured as the motor 41 and the screw transmission structure, and wherein the motor 41 is fixed in the second column 222, and the screw 43 in the screw transmission structure is fixed in the first column 221.

In the specific embodiment provided in the present disclosure, referring to fig. 6, the motor 41 and the screw transmission structure may be configured as a screw stepping motor 41, and such an arrangement may reduce the number of parts of the column telescoping mechanism 4, thereby simplifying the assembling process of the column telescoping mechanism 4 and facilitating assembly and disassembly.

In the specific embodiment provided by the present disclosure, as shown in fig. 2, 4 and 5, a guiding and limiting structure may be disposed between first upright 221 and second upright 222 to limit the offset motion of first upright 221 and second upright 222 relative to each other and guide the axial motion of first upright 221 and second upright 222 relative to each other, and the guiding and limiting structure may be disposed to enable first upright 221 and second upright 222 to smoothly move axially relative to each other, so as to avoid affecting the elongation and shortening of whole upright portion 22 due to the offset motion of first upright 221 and second upright 222 relative to each other. Wherein the guide and stop structure may be configured in any suitable manner. Alternatively, referring to fig. 2, 4 and 5, the guiding and limiting structure may include a first guiding and limiting member 223, wherein the first guiding and limiting member 223 is fixedly disposed on one end of the second upright 222 facing the first upright 221 and is sleeved outside the first upright 221. The first guide stopper 223 is provided to prevent the first column 221 from colliding with the upper end of the second column 222 to damage the first column 221 and the second column 222 due to the offset motion between the upper ends of the first column 221 and the second column 222 when the first column 221 moves axially relative to the second column 222, thereby reducing the service life of the column telescoping mechanism 4. In addition, the first guiding position-limiting member 223 can enable the first column 221 to move axially in the second column 222 smoothly, so as to avoid abnormal noise.

Wherein the first guide stop 223 may be configured in any suitable manner. Alternatively, referring to fig. 7, the first guide limiting part 223 may include a cylindrical first guide limiting body 2231 adapted to be fit over the first column 221 with a clearance fit, that is, the first guide limiting body 2231 may be configured to limit the offset motion between the first column 221 and the upper end of the second column 222 and guide the first column 221 to stably move axially in the second column 222, a stop portion 2232 is disposed at one end of the first guide limiting body 2231 facing the first column 221, and the stop portion 2232 protrudes radially outward from the outer surface of the second column 222, where the stop portion 2232 may be configured to prevent the first guide limiting part 223 from falling into the second column 222 when the first column 221 moves axially in the second column 222, so that the first column 221 collides with the upper end of the second column 222 to damage the first column 221 and the second column 222. In addition, as shown in fig. 4, 5 and 7, a flexible plate 2233 is further disposed on the first guide limiting body 2231, a first protrusion 2234 is disposed on a side of the flexible plate 2233 facing the second upright 222, a second fitting hole 2221 matched with the first protrusion 2234 is disposed on an outer wall of the second upright 222, and the first protrusion 2234 and the second fitting hole 2221 are matched with each other to fix the first guide limiting member 223 on the second upright 222. Wherein, the flexible plate 2233 has a free end and a fixed end, the fixed end of the flexible plate 2233 is fixedly arranged on the first guiding limiting body 2231, the free end of the flexible plate 2233 can move in the direction towards the inner cavity of the first guiding limiting body 2231 under the action of external force and can move in the direction away from the inner cavity of the first guiding limiting body 2231 under the action of itself to rebound to a free state, when assembling, the first guiding member is firstly assembled on the first upright column 221, and the free end of the flexible plate 2233 can move in the direction towards the inner cavity of the first guiding limiting body 2231 under the action of external force to be inserted into the avoiding hole 2211 on the first upright column 221, so as to facilitate the insertion of the first upright column 221 assembled with the first guiding limiting member 223 and the following second guiding limiting member 224 into the second upright column 222, and when the first upright column 221 moves to the first protrusion 2234 and the second engaging hole 2221 to face each other, the flexible plate 2233 can move and rebound to a free state under the action of itself in a direction away from the inner cavity of the first guide limiting body 2231, so that the first protrusion 2234 on the flexible plate 2233 is matched with the second matching hole 2221, so as to fix the first guide limiting member 223 on the second upright column 222. In other embodiments of the present disclosure. The first guide limiting member 223 may be configured in other manners, and the disclosure is not limited thereto.

In the embodiment provided by the present disclosure, in order to further limit the offset motion of the first column 221 and the second column 222 and guide the axial movement of the first column 221 and the second column 222, the guiding and limiting structure may further include a second guiding and limiting member 224, as shown in fig. 2 and 4, the second guiding and limiting member 224 is sleeved and fixed at one end of the first column 221 facing the second column 222, and is disposed in the second column 222 in a clearance fit manner. The second guide stopper 224 is provided to prevent the second column 222 from colliding against the lower end of the first column 221 due to the offset motion between the portion of the first column 221 that has been inserted into the second column 222 and the second column 222 when the first column 221 moves axially relative to the second column 222, and thus damage to the first column 221 and the second column 222 is avoided, and the service life of the column telescoping mechanism 4 is reduced. In addition, the first guiding position-limiting member 223 can enable the first column 221 to move axially in the second column 222 smoothly, so as to avoid abnormal noise.

The second guiding position-limiting member 224 may be configured in any suitable manner, and optionally, as shown in fig. 4, fig. 5 and fig. 8, the second guiding position-limiting member 224 may include a second guiding position-limiting body 2241, the second guiding position-limiting body 2241 is sleeved and fixed on an end of the first upright column 221 facing the second upright column 222, and the second guiding position-limiting body 2241 is configured to limit the offset motion between the lower end of the first upright column 221 and the second upright column 222 and guide the first upright column 221 to stably move axially in the second upright column 222. Wherein, be provided with the protruding 2242 of second on the inner wall of the spacing body 2241 of second direction, be provided with on the outer wall of first stand 221 with the protruding 2242 matched with first mating holes 2212 of this second, protruding 2242 of second and first mating holes 2212 mutually support to it sets up second direction locating part 224 fixedly on first stand 221. In other embodiments of the present disclosure. The second guiding and limiting element 224 may be configured in other ways, and the disclosure is not limited thereto.

In the embodiment provided by the present disclosure, referring to fig. 1 to 3, the pillar rotation driving mechanism 3 may be fixed to the running frame 1 and configured as a reduction motor 31, and the second pillar 222 of each pillar portion 22 is pivotally connected to the output shaft of the corresponding reduction motor 31 about the pivot axis by the connecting member 33, respectively. Referring to fig. 1 to 3, the output shaft 32 of the reduction motor 31 rotates and drives the second upright 222 to rotate around the pivot axis parallel to the X direction through the connecting member 33, when the second upright 222 rotates to be flush with the running frame 1 in the height direction, the armrest upright 2 is in the retracted position, and when the second upright 222 rotates to have a preset angle with the running frame 1 in the X direction, the armrest upright 2 is in the deployed position. It should be noted that the preset angle is the angle between the handrail upright 2 and the running frame 1 in the X direction during normal operation.

Wherein the connecting member 33 can be configured in any suitable manner, alternatively, as shown in fig. 2 and 3, the connecting member 33 can include a first connecting portion 331 and a second connecting portion 332 which are connected, the first connecting portion 331 is inserted into the second upright 222 and fixedly connected with the second upright 222 by a fastener, and the second connecting portion 332 is pivotably connected to the output shaft of the reduction motor 31 to rotate therewith about a pivot axis parallel to the X-direction. As shown in fig. 2 and fig. 3, the output rotating shaft 32 of the speed reducing motor 31 rotates to drive the second connecting portion 332 to rotate around the pivot axis parallel to the X direction, and then the first connecting portion 331 and the second upright post 222 rotate around the pivot axis parallel to the X direction, so as to implement the folding and unfolding of the armrest upright post 2. In other embodiments of the present disclosure, the connecting member 33 may have other configurations, and the present disclosure is not limited thereto.

In the specific embodiment provided by the present disclosure, the treadmill may include an external signal input module for sending a retraction signal, a deployment signal, a retraction signal, and an extension signal, the control module 5 is in communication with the external signal input module, the control module 5 is configured to control the upright rotation driving mechanism 3 to drive the upright portion 22 to rotate forward and backward around the pivot axis according to the retraction signal and the deployment signal; the control module 5 is used for controlling the vertical column telescoping mechanism 4 to drive the first vertical column 221 and the second vertical column 222 to move relatively and oppositely according to the retracting signal and the extending signal, when the handrail vertical column 2 needs to be retracted or expanded, the external signal input module sends a retracting signal and an expanding signal to the control module 5, and the control module 5 can control the vertical column rotation driving mechanism 3 to drive the vertical column part 22 to rotate forwards and backwards around the pivot axis according to the retracting signal and the expanding signal, so that the vertical column part 22 is switched between the retracting position and the expanding position, and the handrail vertical column 2 is retracted or expanded. When the handrail stand 2 needs to be extended or retracted, a retraction signal is sent through the external signal input module, the signal is extended to the control module 5, the control module 5 can control the first stand 221 and the second stand 222 to be opposite to each other and move axially in a deviating mode according to the retraction signal and the extension signal, so that the handrail stand 2 is extended or retracted, the folding and extending automation degree of the handrail stand 2 of the treadmill is higher due to the arrangement of the external signal input module, time and labor are saved, and the treadmill is convenient to operate and use. It should be noted that, there are various ways for the external signal input module to send the retract signal, the expand signal, the retract signal and the extend signal, for example, the send of the retract signal, the expand signal, the retract signal and the extend signal may be signals given by a user using corresponding keys of a remote controller, or sound signals given by AI voice control, etc., and the disclosure is not limited in any way, and those skilled in the art can adaptively select the signals according to actual needs.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A treadmill, the treadmill comprising:

a running frame (1);

the handrail upright post (2) comprises a handrail part (21) and upright post parts (22), the upright post parts (22) are respectively connected to two ends of the handrail part (21) in the axial direction, one end of each upright post part (22) far away from the handrail part (21) is pivotally connected to the running frame (1) around a pivot axis parallel to the X direction so as to switch between a unfolding position and a folding position, the upright post parts (22) comprise a first upright post (221) and a second upright post (222) which are coaxially arranged, the upper end of the first upright post (221) is connected to the handrail part (21), the lower end of the first upright post (221) is axially movably inserted into the second upright post (222) or the upper end of the second upright post (222) is axially movably inserted into the first upright post (221);

a column rotation driving mechanism (3) for driving the column part (22) to rotate around the pivot axis relative to the running frame (1);

a column telescoping mechanism (4) for driving one of the first column (221) and the second column (222) to move axially relative to the other to lengthen or shorten the column section (22); and

the control module (5), control module (5) respectively with stand rotary driving mechanism (3) with stand telescopic machanism (4) electricity is connected, in order to control respectively stand rotary driving mechanism (3) with stand telescopic machanism (4).

2. The treadmill of claim 1, wherein the post retraction mechanism (4) is disposed within the post portion (22) to drive axial movement of the first post (221) and the second post (222) relative to each other.

3. The treadmill of claim 2, wherein the post extension mechanism (4) comprises a motor (41) and a lead screw transmission mechanism, the motor (41) is fixed in the second post (222), the lead screw transmission mechanism comprises a screw (42) and a threaded sleeve (43) which are matched, the screw (42) is coaxially connected to an output shaft of the motor (41), and the threaded sleeve (43) is fixed on the first post (221).

4. A treadmill according to claim 3, wherein the motor (41) and the screw drive are configured as a screw stepper motor.

5. The treadmill of claim 1, wherein a guide limit structure is disposed between the first upright (221) and the second upright (222) to limit the offset motion of the first upright (221) and the second upright (222) relative to each other and to guide the axial movement of the first upright (221) and the second upright (222) relative to each other, the guide limit structure comprising a first guide limit (223), the first guide limit (223) being fixedly disposed on the second upright (222) toward an end of the first upright (221) and fitting outside the first upright (221).

6. The treadmill of claim 5, wherein the first guide limit stop (223) comprises a cylindrical first guide limit body (2231) adapted to fit over the first upright (221) with a clearance fit, wherein a stop portion (2232) is disposed at an end of the first guide limit body (2231) facing the first upright (221), and wherein the stop portion (2232) protrudes radially outward from an outer surface of the second upright (222).

7. The treadmill of claim 5, wherein the guiding and limiting structure comprises a second guiding and limiting element (224), the second guiding and limiting element (224) is sleeved and fixed on an end of the first upright (221) facing the second upright (222), and is disposed in the second upright (222) with a clearance fit.

8. Treadmill according to claim 1, characterised in that the upright rotation drive mechanism (3) is fixed to the running deck (1) and is configured as a reduction motor (31), the second upright (222) of each upright section (22) being pivotally connected to the output shaft of the corresponding reduction motor (31) about the pivot axis by means of a connection (33), respectively.

9. The treadmill of claim 8, wherein the linkage (33) comprises a first linkage portion (331) and a second linkage portion (332) connected, the first linkage portion (331) being inserted into the second upright (222) and fixedly connected to the second upright (222) by a fastener, the second linkage portion (332) being pivotally connected to the output shaft of the reduction motor (31) to rotate therewith about a pivot axis parallel to the X-direction.

10. A treadmill as claimed in any of claims 1 to 9, wherein the treadmill comprises an external signal input module for emitting a stow signal, a deploy signal, a retract signal and an extend signal, the control module (5) being in communication with the external signal input module, the control module (5) being adapted to control the mast rotation drive mechanism (3) to drive the mast section (22) in forward and reverse rotation about the pivot axis according to the stow signal and the deploy signal; the control module (5) is used for controlling the upright post telescoping mechanism (4) to drive the first upright post (221) and the second upright post (222) to move in the axial direction relative to and away from each other according to the retraction signal and the extension signal.

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