CN108619662B - Folding adjustment mechanism of folding running machine - Google Patents

Abstract

The invention discloses a folding adjusting mechanism of a folding running machine, which comprises a machine base, a running table arranged on the machine base and a stand column hinged on the machine base, wherein the stand column is provided with a first position for being folded with the machine base in a overturning manner and a second position for being used in an unfolding manner with the machine base in a overturning manner; the stand and the stand are provided with the adjusting component, the adjusting component comprises an adjusting piece arranged on the stand and a limiting piece arranged on the stand, and the limiting piece is separated from or clamped by the adjusting piece in a movable mode, so that adjustment is simpler, more convenient and faster, the debugging efficiency of the running machine is improved, and the running machine is easier. The hinged handles are arranged between the upright posts on two sides, and the handles are positioned in front of the running platform farther relatively through rotation during use, so that the space above the front part of the running platform can be better abducted. After the upright post is folded and laid down, the handle is also laid down outside the running platform by rotating, so that the whole running platform is emptied, and the walking function is realized; the whole thickness is thinner when standing up and storing, and the occupied space is reduced.

Description

Folding adjustment mechanism of folding running machine

Technical Field

The invention relates to the field of fitness equipment, in particular to a folding adjusting mechanism of a folding running machine.

Background

Along with the continuous improvement of living standard, people pay more and more attention to physical exercise, while running is the simplest and most effective body-building method, and the running machine is also more and more favored by people. In order to facilitate storage, a part of sporters can select the foldable running machine, and after the upright posts are folded to be close to the machine base, the running machine can be stored in an upright mode, so that space is saved. However, for the existing folding running machine, on one hand, the mode of screwing and fixing the screw holes of the screws is mostly adopted for fixing the stand column and the machine base, namely, a screw capable of screwing in and out is arranged on the stand column, screw holes in a plurality of positions are arranged on the machine base, and when the stand column rotates to the corresponding position, the screw is screwed into the screw holes to complete fixing. The mode is complicated, the user needs to squat down to perform manual unlocking and locking, sometimes the user can screw tightly for locking, the user can not easily unscrew the device by hand when unlocking next time, and inconvenience is brought to the adjustment of the running machine. On the other hand, after the upright post is folded, the upright post can be folded above the machine base due to the horizontally arranged handle on the upright post, so that the thickness of the upright post is increased during storage, and the running table can not be used after the upright post is folded, so that the use function of the running machine can not be well expanded; when in use, the transverse handle is close to the front part of the running platform, and the user cannot fully utilize the length of the whole running platform.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide the folding adjusting mechanism of the folding running machine, which has the advantages of simple structure, convenient operation, easy adjustment by a user and convenient storage, and locks and unlocks the stand column and the machine seat.

In order to solve the technical problems, the invention adopts the following technical scheme: the folding adjusting mechanism of the folding running machine comprises a machine base, a running table arranged on the machine base and an upright post hinged on the machine base, wherein the upright post is provided with a first position for being stored when being overturned and folded with the machine base and a second position for being used when being overturned and unfolded with the machine base, handles are arranged between the upright posts on two sides, a first adjusting component is arranged on the upright post and the machine base and comprises a first adjusting piece and a first limiting piece, the first adjusting piece is respectively arranged on the machine base, the first limiting piece is movably arranged on the machine base, the first adjusting piece is provided with a driving part for operation and a matching part matched with the first limiting piece, the driving part is in linkage with the matching part, and a plurality of limiting parts for matching and positioning of the matching parts are circumferentially arranged on the first limiting piece; when the user operates the driving part to enable the first adjusting piece to move, the matching part is separated from the limiting part; when the matching part resets, the first limiting part is positioned by reaching the limiting part; the handle includes horizontal portion and sets up in the perpendicular portion of horizontal portion both sides, and perpendicular portion articulates on the stand, and the stand sets up to when stand and perpendicular portion rotatory folding to the first position with the length of perpendicular portion, and horizontal portion is located the treadmill outside.

As an improvement, one side of the driving part is hinged on the machine base, the other side of the driving part outwards extends relative to the machine base to form a driving rod, the driving part drives the matching part to be far away from or close to the matching part when rotating, and a reset piece is arranged at the driving part or the matching part to enable the driving part and the matching part to be reset in a linkage way.

As an improvement, the matching part and the driving part are integrally arranged and are respectively positioned at two sides of the hinged part with the driving rod, the clamping rod is arranged at the far end of the matching part relative to the driving part, the limiting part is a clamping groove matched with the clamping rod, and the resetting piece is a torsion spring with one end positioned at the machine seat and the other end positioned at the matching part or the driving part.

As an improvement, the matching part and the driving part are in a V shape, the middle part of the V shape is hinged on the machine base, the driving rod and the clamping rod are positioned at two ends of the V shape, the V shape is upwards arranged, the clamping rod is clamped into the clamping groove from the upper part for limiting when in an initial position, and the clamping rod is enabled to be separated from the clamping groove when being pressed downwards and rotated.

As an improvement, two clamping grooves are formed, and the upright post and the stand are correspondingly arranged at a first position and a second position; the periphery of the first limiting piece is also provided with a first arc-shaped groove, the base is provided with a first positioning block positioned in the first arc-shaped groove, and when the upright post rotates to the position that the first positioning block reaches the two ends of the first arc-shaped groove, the positions of the two clamping grooves correspond to the clamping rods.

As an improvement, the matching part comprises a plug column and a connecting wire which are connected with each other, the plug column can be axially movably arranged in a mounting hole of the machine base, one end of the connecting wire is connected with the plug column, and the other end is connected with the driving part; the limiting part is an insertion hole matched with the inserting column, the reset piece is a spring sleeved on the inserting column, one end of the spring is limited at the machine seat, and the other end of the spring is limited on the inserting column.

As an improvement, the position of the driving rod is higher than the hinge joint of the driving part and the machine base in the initial position, and the driving rod pulls the inserted column to be separated from the jack when being pressed down and rotated.

As an improvement, the number of the jacks is two, and the upright post and the stand are correspondingly arranged at a first position and a second position; the periphery of the first limiting piece is also provided with a first arc-shaped groove, the base is provided with a first positioning block positioned in the first arc-shaped groove, and when the upright post rotates to the position that the first positioning block reaches the two ends of the first arc-shaped groove, the positions of the two insertion holes correspond to the insertion posts.

As an improvement, be provided with second regulation subassembly on perpendicular portion and the stand, second regulation subassembly is kept away from or is close to second locating part including setting up the second locating part on perpendicular portion on second regulation spare and the stand respectively, and second regulation spare moves away from or is close to second locating part when moving away from the cooperation when second regulation spare and second locating part are close to the position of locking perpendicular portion and stand, and when second regulation spare and second locating part are kept away from mutually, the unlocking makes perpendicular portion can rotate relative stand.

As an improvement, the second limiting part comprises an annular body and a plurality of limiting grooves arranged on the periphery of the annular body, and the second adjusting part is movably close to the annular body and is clamped into the limiting grooves to limit when corresponding to the limiting grooves.

As an improvement, the number of the limiting grooves is two, and the vertical parts and the upright posts are correspondingly arranged to form included angles and are sequentially arranged along one direction; the periphery of the annular body is also provided with a second arc-shaped groove, the vertical part is provided with a second positioning block positioned in the second arc-shaped groove, and when the vertical part rotates to the position that the second positioning block reaches the two ends of the second arc-shaped groove, the position of the second adjusting piece is opposite to the two limiting grooves respectively.

As an improvement, the vertical part is provided with a sliding hole for sliding of the second adjusting piece, the second adjusting piece comprises a main rod, a sliding piece and a fixing piece, the main rod is located on one side of the sliding hole, the sliding piece is arranged on the main rod and is fixedly installed by the fixing piece on the other side after passing through the sliding hole from one side, and one end of the main rod is a limiting end matched with the limiting groove. The limiting end of the sliding piece is far away from or close to the second limiting piece when the sliding piece slides in the sliding hole, the vertical portion is further provided with an elastic resetting piece, the elastic resetting piece is connected to the second adjusting piece, and when the second adjusting piece is far away from the second limiting piece, the elastic resetting piece deforms to generate restoring force.

As an improvement, the two sides of the limiting end are provided with chamfers which are convenient for the limiting end to enter the limiting groove.

As an improvement, a toggle key is further arranged on the main rod, the toggle key extends out of the extending hole of the outer shell of the vertical part, the toggle key is clamped at the upper inner wall and the lower inner wall of the extending hole through two groups of elastic hook pieces which are arranged on the inner side of the toggle key in a back-to-back mode, and a protruding block which is convenient for pushing by hand force is arranged on the outer side of the toggle key.

As an improvement, the number of the sliding holes is two, and the sliding parts and the fixing parts are two groups which are respectively and correspondingly arranged with the sliding holes.

The beneficial effects achieved by the invention are as follows: on one hand, unlike the original upright post adjusting mode adopting spiral fixation, the upright post adjusting mechanism is characterized in that the upright post position is limited by the first adjusting piece moving on the machine base and the first limiting piece on the upright post, when in adjustment, a user only needs to operate the first adjusting piece to enable the first adjusting piece to move away from the first limiting piece, so that the locking of the upright post can be released, and the first adjusting piece can reset and lock the upright post; compared with the existing adjusting mode, the adjusting method is simpler, more convenient and faster, improves the adjusting efficiency of the running machine and is easier.

On the other hand, different from the original handle fixed on the upright post, the handle can be adjusted to be opposite to the upright post, and when the novel running platform is used, the handle is positioned in front of the running platform farther relative to the running platform in a rotating way, so that the space above the front part of the running platform can be better abducted, a user can run on the running platform with the whole length, the whole running platform is effectively utilized, and the runner has better running space and environment. When the upright post is folded and placed, after the upright post is folded and placed, the handle is placed outside the running platform through rotation, so that the whole running platform is emptied, and the running machine can realize the function of a walking machine for general walking at the moment; and when standing up and storing, the whole thickness of the running machine is thinner, so that the occupied space is reduced.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of a treadmill according to the present invention.

Fig. 2 is an enlarged view at M in fig. 1.

Fig. 3 is a schematic perspective view of the first adjusting component of the first embodiment of the present invention with the post structure removed.

Fig. 4 is a schematic perspective view of a second embodiment of a treadmill according to the present invention.

Fig. 5 is an enlarged view at N in fig. 4.

Fig. 6 is a schematic perspective view of a first adjusting assembly according to a second embodiment of the present invention.

FIG. 7 is a schematic perspective view of an embodiment of a treadmill handle of the present invention.

Fig. 8 is an enlarged view at H in fig. 7.

Fig. 9 is a schematic perspective view of a second adjustment assembly of the present invention.

Detailed Description

The invention is further described below with reference to the drawings and detailed description.

As shown in fig. 1,2, 3, 4, 5, 6,7, 8 and 9, the embodiment of the folding adjustment mechanism of the folding running machine of the present invention includes a machine base 1, a running table 2 disposed on the machine base 1, and a stand column 3 hinged on the machine base 1, wherein the stand column 3 has a first position for being folded with the machine base 1 for storage and a second position for being unfolded with the machine base 1 for use, a handle a4 is disposed between the stand column 3 on two sides, the stand column 3 and the machine base 1 are provided with a first adjustment assembly b4, the first adjustment assembly b4 includes a first adjustment member b41 disposed on the machine base 1 and a first limit member b42 disposed on the stand column 3, respectively, the first adjustment member b41 is movably disposed on the machine base 1, the first adjustment member b41 has a driving portion b411 for operation and a limit portion b412 engaged with the first limit member b42, the driving portion b is linked with the limit portion b412, and the first limit member b42 is circumferentially provided with a limit portion b421 for being engaged with a plurality of limit portions b412 for positioning; when the user operates the driving part b411 to enable the first adjusting piece b41 to move, the matching part b412 is separated from the limiting part b421; reaching the limit part b421 to position the first limit part b42 when the matching part b412 is reset; the handle a4 comprises a transverse portion a41 and vertical portions a42 arranged on two sides of the transverse portion a41, the vertical portions a42 are hinged to the upright 3, and the lengths of the upright 3 and the vertical portions a42 are set so that the transverse portion a41 is positioned outside the running platform 2 when the upright 3 and the vertical portions a42 are rotationally folded to the first position.

When the invention is used, the upright post 3 is turned over and opened to form a certain angle with the machine base 1 (as shown in figures 1, 4 and 7), the upright post 3 and the handle a4 can be positioned through the existing locking structure, the upright post 3 is positioned at a second position for use, the upright post 3 is positioned in front of the running table 2, the handle a4 is used for a user to hold, the transverse part a41 is provided with an operation key and a display screen, and the key can be a touch screen type or a mechanical type for the user to control the running machine. The handle a4 is integrally and rotatably positioned on the upright post 3 shown in figures 1, 4 and 7, so that the space above the front part of the running platform 2 can be better abducted, a user can run on the running platform 2 with the whole length, the whole running platform is effectively utilized, and the runner has better running space and environment. When not in use, the upright post 3 is turned over and folded to be close to the stand 1, and the upright post and the stand are in a zero degree or near zero degree state; the handle a4 can be close to the machine base 1 by rotating, so that the handle a4 and the upright post 3 are in a zero degree or near zero degree state (not shown in the figure), and the transverse part a41 can be turned over to be positioned outside the running platform 2 finally because the length of the upright post 3 and the vertical part a42 is designed to be longer than the length from the hinging position of the upright post 3 to the rear end of the machine base 1, so that the handle a4 does not block the running platform 2, and a user can use the running machine to perform the walking movement; when standing up and storing, the whole thickness of the running machine is thinner, and the occupied space is reduced.

At least two limiting parts b421 of the first limiting part b42 meet the positioning requirements of the first position and the second position; more than two can also be set up as required to satisfy different position location demands for the user to select. The first limiting piece b42 rotates together with the upright 3, the position of the limiting part b421 is opposite to the matching part b412 when the first limiting piece b rotates in place, and the upright 3 is positioned by the matching part b412 being clamped to the limiting part b 421; the matching part b412 can be located in the housing of the stand 1 and matched with the limiting part b421, and the driving part b411 extends out of the housing for operation by a user. The driving part b411 can adopt sliding, rotating and other modes to move, so that the matching part b412 can move reciprocally to be far away from or close to the first limiting part b 42.

As an improved specific embodiment, one side of the driving part b411 is hinged on the machine base 1, the other side of the driving part b411 extends outwards relative to the machine base 1 to form a driving rod b4111, the driving part b411 drives the matching part b412 to be far away from or close to the matching part b412 when rotating, and a reset piece b413 is arranged at the driving part b411 or the matching part b412 to enable the driving part b411 and the matching part b412 to be in linkage reset.

As shown in fig. 1-6, the driving part b411 moves on the stand 1 in a rotating manner, and the driving rod b4111 extends out of the housing; the adjustment of the driving part b411 in the specific embodiment can be realized by making the driving rod b4111 swing towards one direction, so that a user can directly pedal the driving rod b4111 towards one direction by feet without squatting hands, the driving part b411 can drive the matching part b412 to be separated from the limiting part b421, and the convenience and the labor saving are realized; after the foot leaves the driving rod b4111, the driving part b411 and the matching part b412 are automatically reset by the resetting piece b413, the matching part b412 can return to the first limiting piece b42, the periphery of the first limiting piece b42 can be set to be an arc surface, when the upright post 3 and the first limiting piece b42 rotate to the position of the corresponding matching part b412 of the limiting part b421, the matching part b412 can enter the position of the limiting part b421 to be matched and limited by the restoring force of the resetting piece b 413; thereby the reset is automatically completed, more convenient and labor-saving, and the debugging of the user is easier as a whole.

As shown in fig. 1-3, a first embodiment of a first adjustment assembly b4 of the treadmill of the present invention is illustrated.

As an improved embodiment, the engaging portion b412 is integrally disposed with the driving portion b411 and is located at two sides of the hinge portion with the driving rod b4111, the engaging portion b412 has a clamping rod b4121 opposite to the distal end of the driving portion b411, the limiting portion b421 is a clamping groove b4211 adapted to the clamping rod b4121, and the resetting member b413 is a torsion spring b4131 with one end positioned at the base 1 and the other end positioned at the engaging portion b412 or the driving portion b 411.

As shown in fig. 2 and 3, the engaging portion b412 and the driving portion b411 form a lever structure, so that a user can step on the side of the driving lever b4111 to disengage the engaging portion b4121 of the engaging portion b412 from the engaging groove b4211, and the engaging portion b412 twists the torsion spring b4131 to store potential energy; after the driving rod b4111 is not forced, the restoring force of the torsion spring b4131 drives the clamping rod b4121 to restore to the corresponding clamping groove b 4211. The structure is simple, and the driving part b411 and the matching part b412 can be well balanced in structure and matched with the first limiting piece b42 for positioning. Of course, the lever structure can also adopt other embodiments to rotate and position, for example, the matching part b412 is positioned and limited at the upper part b421 in the figure, the driving rod b4111 swings downwards, and the whole body rotates anticlockwise and then is separated; not shown in the drawings, the matching part b412 can also be arranged at the lower part to position the limiting part b421, the driving rod b4111 swings upwards, and the whole body is separated after clockwise rotation; or the position relationship between the matching part b412 and the driving part b411 is up and down, the matching part b412 is clamped with the limiting part b421 at the side position, and then the driving rod b4111 is relatively swung transversely, and the driving rod b is separated after being integrally rotated. The foot can be driven in various modes, and the foot-driven electric bicycle is convenient.

As an improved specific embodiment, the matching part b412 and the driving part b411 are in a V shape, the middle part of the V shape is hinged on the stand 1, the driving rod b4111 and the clamping rod b4121 are positioned at two ends of the V shape, the V shape is upward, the clamping rod b4121 is clamped into the clamping groove b4211 from the upper part to limit in the initial position, and the clamping rod b4121 is separated from the clamping groove b4211 when the driving rod b4111 is pressed and rotated.

As shown in fig. 2 and 3, in the embodiment, in the arrangement manner disclosed in the specific drawing, under the locking condition, the driving rod b4111 and the clamping rod b4121 are both positioned above the hinging point, so that the structure is stable; the clamping positions of the clamping rod b4121 and the clamping groove b4211 are above and limited by the downward pressing of the torsion spring b4131, and the clamping groove b4211 is restricted by the clamping rod b4121 except for other annular wall positions at the opening, so that the clamping rod b4121 and the clamping groove b4211 are stably positioned and cannot be separated from each other by themselves. The driving rod b4111 drives the clamping rod b4121 and the clamping groove b4211 to be separated from each other through the lower hem, so that the use is most convenient, and the user can tread the pedal.

As an improved specific embodiment, two clamping grooves b4211 are provided, and the upright post 3 and the stand 1 are correspondingly arranged at a first position and a second position; the periphery of the first limiting piece b42 is also provided with a first arc-shaped groove b422, the machine base 1 is provided with a first positioning block b414 positioned in the first arc-shaped groove b422, and when the upright post 3 rotates to the position that the first positioning block b414 reaches the two ends of the first arc-shaped groove b422, the positions of the two clamping grooves b4211 correspond to the clamping rods b 4121.

As shown in fig. 2 and 3, the clamping groove b4211 is preferably two use positions corresponding to the first position and the second position, and after the first arc-shaped groove b422 is arranged, the rotation angle of the upright post 3 is limited by matching with the first positioning block b414, so that the rotation of the upright post 3 is more orderly, and the possible collision damage caused by random rotation when the locking is released can be avoided. The first positioning block b414 reaches the two ends of the first arc-shaped groove b422 to correspond to the two clamping grooves b4211 to reach the positions corresponding to the clamping rods b4121, so that a user does not need to control the self-running position, the locking position of the clamping grooves b4211 and the clamping rods b4121 is obtained after the rotating upright post 3 makes the first positioning block b414 reach one end of the first arc-shaped groove b422, the adjustment is more convenient, the positioning is more accurate, and the abrasion caused by the fact that the structures do not correspond to each other is avoided.

For the above implementation structure, the two side columns 3 may be respectively set, or one side column 3 is mainly set, the other side column 3 adopts a linkage structure, for example, one side driving portion b411 is used for controlling, the other side is provided with an independent matching portion b412 hinged on the stand 1 and matched with an independent first limiting member b42, the one side driving portion b411 can be connected with the other side matching portion b412 through a connecting wire for linkage, so that the one side driving portion b411 controls the two side matching portions b412.

As shown in fig. 4-6, a second embodiment of the first adjustment assembly b4 of the treadmill of the present invention is illustrated.

As an improved specific embodiment, the matching portion b412 includes a plug post b4122 and a connecting line b4123, where the plug post b4122 is movably disposed in the mounting hole 11 of the stand 1 along the axial direction, and one end of the connecting line b4123 is connected to the plug post b4122, and the other end is connected to the driving portion b411; the limiting part b421 is an insertion hole b4212 matched with the insertion column b4122, the reset piece b413 is a spring b4132 sleeved on the insertion column b4122, one end of the spring b4132 is limited at the machine base 1, and the other end of the spring b4132 is limited on the insertion column b 4122.

As shown in fig. 5 and 6, the plug posts b4122 are arranged in the mounting holes 11 on the inner side of the stand 1, so that the space inside the stand 1 can be reasonably utilized, and the whole structure is compact; the plug b4122 is connected to the driving part b411 by a connecting wire b4123 to enable the two parts to be linked, the connecting wire b4123 can be arranged in a sleeve, the sleeve is positioned on the machine base 1, and the connecting wire b4123 is connected with the driving part b411 and the plug b4122 along the structure of the machine base 1; the user can pedal the driving rod b4111 to make the plunger b4122 swing away from the jack b4212, and the plunger b4122 compresses or stretches the spring b4132 to store potential energy; after the driving rod b4111 is not forced, the restoring force of the spring b4132 drives the plunger b4122 to restore to the corresponding insertion hole b4212. The structure is simple, and the driving part b411 and the matching part b412 can be well balanced in structure and matched with the first limiting piece b42 for positioning. The driving part b411 may be oriented in various embodiments, for example, when the driving rod b4111 is at the left side of the hinge point in the locking position in the drawing, the post b4122 is separated from the socket b4212 after the whole is rotated anticlockwise through the swinging operation; not shown in the drawings, the positions of the driving rod b4111 and the hinge point can be adjusted, so that the driving rod b4111 can swing left and right or swing up to drive the plunger b4122 to be separated from the jack b4212. The foot can be driven in various modes, and the foot-driven electric bicycle is convenient.

As an improved embodiment, the driving rod b4111 is higher than the hinge joint of the driving part b411 and the machine base 1 in the initial position, and the driving rod b4111 pulls the plug b4122 to separate from the plug b4212 when being pressed and rotated.

As shown in fig. 5 and 6, in the embodiment, the driving rod b4111 is located above the hinge point in the locking condition in the manner disclosed in the specific drawing, so that the structure is stable; the driving rod b4111 drives the inserting column b4122 and the inserting hole b4212 to be separated from each other through the lower hem, so that the user can use the electric bicycle conveniently, and the electric bicycle can be realized by stepping on the electric bicycle with feet.

As an improved specific embodiment, two jacks b4212 are provided, and the upright 3 and the base 1 are correspondingly arranged at a first position and a second position; the periphery of the first limiting piece b42 is also provided with a first arc-shaped groove b422, the machine base 1 is provided with a first positioning block b414 positioned in the first arc-shaped groove b422, and when the upright post 3 rotates to the position that the first positioning block b414 reaches the two ends of the first arc-shaped groove b422, the positions of the two insertion holes b4212 correspond to the positions of the insertion posts b 4122.

As shown in fig. 5 and 6, the jack b4212 is preferably two use positions corresponding to the first position and the second position, and after the first arc-shaped groove b422 is provided, the rotation angle of the upright post 3 is limited by matching with the first positioning block b414, so that the rotation of the upright post 3 is more orderly, and the possible collision damage caused by random rotation when the locking is released can be avoided. The two ends of the first positioning block b414 reaching the first arc-shaped groove b422 correspond to the two insertion holes b4212 to reach the positions corresponding to the insertion posts b4122, so that a user does not need to control the self-running position, the locking positions of the insertion holes b4212 and the insertion posts b4122 are obtained after the first positioning block b414 reaches one end of the first arc-shaped groove b422 by rotating the upright post 3, the adjustment is more convenient, the positioning is more accurate, and the abrasion caused by the fact that the structures do not correspond to each other is avoided.

Referring to Figs. 7-9, a handle a4 of the treadmill of the present invention is shown in an exemplary embodiment.

As an improved specific embodiment, the upright part a42 and the upright post 3 are provided with a second adjusting component a5, the second adjusting component a5 comprises a second adjusting piece a51 arranged on the upright part a42 and a second limiting piece a52 arranged on the upright post 3, the second adjusting piece a51 is far away from or near the second limiting piece a52 when moving, the position of the upright part a42 and the upright post 3 is locked when the second adjusting piece a51 and the second limiting piece a52 are matched in a near way, and the upright part a42 can rotate relative to the upright post 3 when the second adjusting piece a51 and the second limiting piece a52 are far away from each other.

As shown in fig. 7 and 8, after the user operates the second adjusting member a51 to move away from the second limiting member a52, the locking of the two members can be released, and the vertical portion a42 can be rotated at this time; after the angle is adjusted, the second adjusting piece a51 is operated to be close to the second limiting piece a52 to be matched for locking, and the vertical part a42 can be positioned at the upright post 3 again, so that the angle adjustment of the handle a4 is realized, and compared with the existing modes of screwing and fixing a plurality of positions by screw holes, the angle adjustment device is more flexible and convenient to operate; and after the second adjusting components a5 are arranged on the vertical parts a42 on two sides and the upright posts 3, the unlocking can be realized only by adjusting the two sides simultaneously, so that the locking is more stable.

As an improved specific embodiment, the second limiting member a52 includes an annular body a521 and a plurality of limiting grooves a522 disposed on the periphery of the annular body a521, and the second adjusting member a51 is movably adjacent to the annular body a521 and is locked in the limiting grooves a522 to be limited when corresponding to the limiting grooves a 522.

As shown in fig. 8, as a further refinement and implementation of the scheme, the annular body a521 is located at the rotation axis of the vertical portion a42, when the vertical portion a42 rotates, the orientation of the second adjusting member a51 relative to the annular body a521 is changed, when the corresponding orientation of the second adjusting member a51 faces the limit groove a522, the second adjusting member a51 is close to the limit groove a522 and is blocked into the limit groove a522 to realize positioning, so that the vertical portion a42 and the upright post 3 are locked in position; depending on the specific use requirement of the position of the vertical portion a42, a plurality of limiting grooves a522 may be provided to satisfy the function, and may not be limited to two use positions corresponding to the first position and the second position as in the foregoing embodiment, and may have more use positions for the user to select.

As an improved specific embodiment, two limiting grooves a522 are formed, and the vertical part a42 and the upright post 3 are correspondingly formed into an included angle and are sequentially arranged along one direction; the periphery of the annular body a521 is also provided with a second arc-shaped groove a523, the vertical part a42 is provided with a second positioning block a53 positioned in the second arc-shaped groove a523, and when the vertical part a42 rotates until the second positioning block a53 reaches the two end positions of the second arc-shaped groove a523, the position of the second adjusting piece a51 is opposite to the two limiting grooves a522 respectively.

As shown in fig. 8, the limiting groove a522 is preferably provided in two use positions corresponding to the first position and the second position, and the vertical portion a42 is located at a distance from the upright post in use as in the previous embodiment, that is, forms an outward included angle; or when not in use, the handle a4 and the upright post 3 are in a zero degree or near zero degree state, namely are sequentially arranged along one direction, so that the running machine is convenient to store and the running table 2 is convenient to further use. After the second arc-shaped groove a523 is arranged, the rotation angle of the vertical part a42 is limited by matching with the second positioning block a53, so that the rotation of the vertical part a42 is more orderly, and the possible collision damage caused by random rotation when unlocking can be avoided. The two ends of the second positioning block a53 reaching the second arc-shaped groove a523 correspond to the two positions of the second adjusting piece a51 reaching the limiting groove a522, so that a user does not need to control the self-running position, the locking position of the second adjusting piece a51 and the limiting groove a522 is obtained after the second positioning block a53 reaches one end of the second arc-shaped groove a523 by the rotating vertical part a42, the adjustment is more convenient, the positioning is more accurate, and the abrasion caused by the non-correspondence between structures is avoided.

As an improved specific embodiment, the vertical part a42 is provided with a sliding hole a421 for sliding the second adjusting piece a51, the second adjusting piece a51 comprises a main rod a511, a sliding piece a512 and a fixing piece a513, the main rod a511 is located on one side of the sliding hole a421, the sliding piece a512 is arranged on the main rod a511, one side of the sliding piece a512 penetrates through the sliding hole a421 and is fixedly installed by the fixing piece a513 on the other side, and one end of the main rod a511 is a limiting end a514 matched with the limiting groove a 522. When the sliding piece a512 slides in the sliding hole a421, the limiting end a514 is far away from or close to the second limiting piece a52, the vertical portion a42 is further provided with an elastic reset piece a422, the elastic reset piece a422 is connected to the second adjusting piece a51, and when the second adjusting piece a51 is far away from the second limiting piece a52, the elastic reset piece a422 deforms to generate restoring force.

As shown in fig. 8 and 9, the second adjusting member a51 specifically passes through the sliding member a512 and slides in the sliding hole a421, one side of the second adjusting member a is fixed with the main rod a511, and the other side of the second adjusting member a is provided with the fixing member a513, namely, the main rod a511 and the fixing member a513 position the sliding member a512 at the sliding hole a421, and the size of the sliding member a512 is adapted to the width of the sliding hole a421, so that the sliding member a512 slides only along the length direction of the sliding hole a 421; the specific sliding member a512 may be a screw, the fixing member a513 is a nut, and the main rod a511 is provided with the screw and is screwed by the nut to fix the relative position after passing through the sliding hole a421 by the screw. The structure is convenient to manufacture and assemble and convenient to implement. One end of the main rod a511 is a limiting end a514 matched with the limiting groove a522, and the limiting end a514 slides along the direction of the sliding hole a421 to leave or enter the limiting groove a522 for matching. The second adjusting member a51 is restored by an elastic restoring member a422, which may be a spring, and two ends of the spring are respectively connected to the main rod a511 and the vertical portion a42, and can generate restoring force in a pulling or compressing manner, and when the deformation is restored, the limiting end a514 is restored to the position of the limiting groove a522 to be matched and locked; the structure is simple and convenient to realize, does not occupy space, and is convenient to arrange on the vertical part a 42.

As an improved embodiment, both sides of the limiting end a514 are provided with chamfers for facilitating the entering of the limiting groove a 522.

As shown in fig. 8, the two sides of the limiting end a514 are the upper and lower sides as shown in the drawing, and are chamfered to make the distal dimension of the limiting end a514 gradually smaller, so that the limiting end a514 is more convenient to enter the limiting groove a522 during movement, and then is fully accommodated in the limiting groove a522 for limiting along with further insertion, so that the shape of the limiting groove a522 is preferably matched with that of the limiting end a 514.

As an improved specific embodiment, a toggle key a6 is further arranged on the main rod a511, the toggle key a6 extends out of the extending hole a71 of the housing a7 of the vertical portion a42, the toggle key a6 is clamped at the upper inner wall and the lower inner wall of the extending hole a71 through two groups of elastic hook pieces a61 arranged on the inner side of the toggle key a6 in a back-to-back mode, and a bump a62 convenient for pushing by hand force is arranged on the outer side of the toggle key a 6.

As shown in fig. 8 and 9, on the basis of the above definition, the specific structure is located inside the shell, so as to keep the appearance of the running machine simple and beautiful, while the specific shell a7 of the vertical part a42 is provided with an extending hole a71 for extending the toggle key a6, and the toggle key a6 is additionally processed, is installed and linked with the main rod a511 in a matching way; the toggle key a6 extends out of the shell a7, is structurally clamped in the extending hole a71 by an elastic hook piece a61, and the elastic hook piece a61 is hooked on the upper inner wall and the lower inner wall of the extending hole a71 in a deformation mode, so that the upper limit and the lower limit are realized, and the toggle key can not be detached from the extending hole a 71; the length of the extending hole a71 is used for sliding the toggle key a6, so that the linkage sliding with the main rod a511 is realized. The bump a62 forms a structure which is convenient for a user to apply force by hand, and the user can apply force to push the toggle key a6 by the bump a62, so that the second adjusting component a5 can be unlocked.

As a modified embodiment, the number of the sliding holes a421 is two, and the number of the sliding piece a512 and the fixed piece a513 is two, which are respectively corresponding to the sliding holes a 421.

As shown in fig. 9, preferably, two sliding holes a421 are provided at the two ends of the main rod a511, and maintain a stable sliding movement of the whole body after the sliding member a512 and the fixing member a513 are installed; the length of the sliding hole a421 ensures the effective movable space of the sliding piece a512, so that the processing is simpler, and the overall strength of the vertical part a42 is better.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims (5)

1. The utility model provides a folding adjustment mechanism of folding treadmill, includes frame (1), sets up running platform (2) on frame (1) and articulates stand (3) on frame (1), stand (3) have with frame (1) upset fold be used for depositing the first position to and with frame (1) upset open be used for the second position of use, be provided with handle (a 4) between both sides stand (3), its characterized in that:

The stand (3) and the stand (1) are provided with a first adjusting component (b 4), the first adjusting component (b 4) comprises a first adjusting piece (b 41) and a first limiting piece (b 42) respectively arranged on the stand (1) and the stand (3), the first adjusting piece (b 41) is movably arranged on the stand (1), the first adjusting piece (b 41) is provided with a driving part (b 411) for operation and a matching part (b 412) matched with the first limiting piece (b 42), the driving part (b 411) is linked with the matching part (b 412), and a plurality of limiting parts (b 421) for matching and positioning of the matching part (b 412) are circumferentially arranged on the first limiting piece (b 42); when the user operates the driving part (b 411) to enable the first adjusting piece (b 41) to move, the matching part (b 412) is separated from the limiting part (b 421); reaching the limiting part (b 421) to position the first limiting piece (b 42) when the matching part (b 412) is reset;

The handle (a 4) comprises a transverse part (a 41) and vertical parts (a 42) arranged on two sides of the transverse part (a 41), the vertical parts (a 42) are hinged on the upright post (3), and the lengths of the upright post (3) and the vertical parts (a 42) are set so that when the upright post (3) and the vertical parts (a 42) are rotationally folded to a first position, the transverse part (a 41) is positioned outside the running table (2);

One side of the driving part (b 411) is hinged to the machine base (1), the other side of the driving part (b 411) extends outwards relative to the machine base (1) to form a driving rod (b 4111), the driving part (b 411) drives the matching part (b 412) to be far away from or close to the matching part (b 412) when rotating, and a reset piece (b 413) is arranged at the driving part (b 411) or the matching part (b 412) to enable the driving part (b 411) and the matching part (b 412) to be in linkage reset;

The matching part (b 412) and the driving part (b 411) are integrally arranged and are respectively positioned at two sides of the hinging part with the driving rod (b 4111), the far end of the matching part (b 412) opposite to the driving part (b 411) is provided with a clamping rod (b 4121), the limiting part (b 421) is a clamping groove (b 4211) matched with the clamping rod (b 4121), and the resetting piece (b 413) is a torsion spring (b 4131) with one end positioned at the machine base (1) and the other end positioned at the matching part (b 412) or the driving part (b 411);

The cooperation portion (b 412) and the drive portion (b 411) are V-arrangement, and V-arrangement middle part articulates on frame (1), actuating lever (b 4111) and clamping lever (b 4121) are located V-arrangement both ends, and this V-arrangement sets up upwards, and clamping lever (b 4121) is gone into clamping groove (b 4211) from upper portion card and is spacing during initial position, make clamping lever (b 4111) break away from clamping groove (b 4211) on being pushed down rotatory when actuating lever (b 4111).

2. The folding adjustment mechanism of a folding treadmill of claim 1, wherein: the vertical part (a 42) and the upright post (3) are provided with a second adjusting component (a 5), the second adjusting component (a 5) comprises a second adjusting piece (a 51) arranged on the vertical part (a 42) and a second limiting piece (a 52) arranged on the upright post (3), the second adjusting piece (a 51) is far away from or near the second limiting piece (a 52) when moving, the position of the vertical part (a 42) and the upright post (3) is locked when the second adjusting piece (a 51) and the second limiting piece (a 52) are near to be matched, and the position of the vertical part (a 42) and the upright post (3) is unlocked when the second adjusting piece (a 51) and the second limiting piece (a 52) are far away from each other, so that the vertical part (a 42) can rotate relative to the upright post (3).

3. The folding adjustment mechanism of a folding treadmill of claim 2, wherein: the second limiting piece (a 52) comprises an annular body (a 521) and a plurality of limiting grooves (a 522) arranged on the periphery of the annular body (a 521), and the second adjusting piece (a 51) is movably close to the annular body (a 521) and is clamped into the limiting grooves (a 522) to limit when corresponding to the limiting grooves (a 522).

4. A folding adjustment mechanism for a folding treadmill as recited in claim 3, wherein: the two limiting grooves (a 522) are arranged, and the vertical part (a 42) and the upright post (3) form an included angle correspondingly and are sequentially arranged along one direction; the periphery of the annular body (a 521) is also provided with a second arc-shaped groove (a 523), the vertical part (a 42) is provided with a second positioning block (a 53) positioned in the second arc-shaped groove (a 523), and when the vertical part (a 42) rotates to the position that the second positioning block (a 53) reaches the two ends of the second arc-shaped groove (a 523), the position of the second adjusting piece (a 51) is opposite to the two limiting grooves (a 522) respectively.

5. A folding adjustment mechanism for a folding treadmill as recited in claim 3, wherein: the vertical part (a 42) is provided with a sliding hole (a 421) for sliding a second adjusting piece (a 51), the second adjusting piece (a 51) comprises a main rod (a 511), a sliding piece (a 512) and a fixing piece (a 513), the main rod (a 511) is positioned on one side of the sliding hole (a 421), the sliding piece (a 512) is arranged on the main rod (a 511) and is installed and fixed by the fixing piece (a 513) on the other side after one side passes through the sliding hole (a 421), and one end of the main rod (a 511) is a limiting end (a 514) matched with a limiting groove (a 522); the sliding piece (a 512) is far away from or is close to the second limiting piece (a 52) at the limiting end (a 514) when sliding in the sliding hole (a 421), the vertical portion (a 42) is further provided with an elastic resetting piece (a 422), the elastic resetting piece (a 422) is connected to the second adjusting piece (a 51), and when the second adjusting piece (a 51) is far away from the second limiting piece (a 52), the elastic resetting piece (a 422) deforms to generate restoring force.