CN212880777U - Locking mechanism for treadmill handrail and treadmill - Google Patents

Abstract

The disclosure relates to a locking mechanism for a treadmill handrail and a treadmill, the locking mechanism comprises a clamping groove (2) and a movable pin shaft (1) which can be matched, one of the clamping groove (2) and the movable pin shaft (1) is suitable for being arranged on an upright post (6) of the treadmill, the other one of the clamping groove (2) and the movable pin shaft (1) is suitable for being arranged on the handrail (7), the movable pin shaft (1) can reciprocate between a locking position and an unlocking position along the axial direction of the movable pin shaft, in the locking position, the movable pin shaft (1) is matched with the clamping groove (2), to limit the movement of the armrest (7) relative to the upright (6), in the unlocking position, the movable pin shaft (1) is separated from the clamping groove (2), so that the armrest (7) can move relative to the upright (6). Thus, the locking mechanism provided by the present disclosure can conveniently releasably lock the armrest to the post.

Description

Locking mechanism for treadmill handrail and treadmill

Technical Field

The present disclosure relates to the field of treadmills, and more particularly, to a locking mechanism for a handrail of a treadlemill and a treadlemill.

Background

In modern society, people are increasingly inclined to exercise their bodies using indoor running/walking machines, and many running/walking machines are designed to be foldable in order to save space, wherein the foldable features are mainly between the armrests and the uprights, between the uprights and the running board, and between the electronic dial and the uprights.

SUMMERY OF THE UTILITY MODEL

It is an object of the present disclosure to provide a locking mechanism for a treadmill handrail that can conveniently releasably lock the handrail to a post.

Another object of the present disclosure is to provide a treadmill, the handrail of which can be folded with respect to the upright post for convenient storage.

In order to achieve the above object, the present disclosure provides a locking mechanism for a treadmill handrail, the locking mechanism including a slot and a movable pin that can be adapted to each other, one of the slot and the movable pin being adapted to be disposed on a stand column of the treadmill, the other of the slot and the movable pin being adapted to be disposed on the handrail, the movable pin being capable of reciprocating along its own axial direction between a locking position in which the movable pin cooperates with the slot to limit movement of the handrail relative to the stand column and an unlocking position in which the movable pin is disengaged from the slot to enable the handrail to move relative to the stand column.

Optionally, the locking mechanism includes an elastic return member that provides the movable pin with an elastic force toward the locking position.

Optionally, the locking mechanism includes a sleeve support, the movable pin is movably inserted into a central shaft hole of the sleeve support, the elastic reset piece is located in the central shaft hole, one end of the elastic reset piece abuts against the movable pin, and the other end of the elastic reset piece abuts against the sleeve support.

Optionally, the sleeve holder includes a fixing portion for being inserted into an end portion of the tubular armrest, and a stopper portion having a step surface formed therebetween for abutting against an end surface of the end portion of the armrest.

Optionally, the handrail includes a pipe body and a decoration layer sleeved on the pipe body, the fixing portion is inserted into an end of the pipe body in an interference fit manner, an end surface of the decoration layer abuts against the step surface, and an outer circumferential surface of the decoration layer is flush with an outer circumferential surface of the stopping portion.

Optionally, an arc tongue plate is formed at the end of the pipe body, an arc accommodating hole extending in the axial direction of the movable pin shaft is formed in the step surface, and the arc tongue plate can be inserted into the arc accommodating hole in a shape-fitting manner.

Optionally, the locking mechanism includes a bolt pin for manual operation, the fixed portion is provided with a long hole extending along the axial direction, the armrest is provided with a strip-shaped hole extending along the axial direction at an end portion, and the bolt pin passes through the strip-shaped hole and the long hole and is connected to the movable pin shaft.

Optionally, a limiting boss connected with the step surface is formed on the outer peripheral surface of the fixing part, a limiting opening is formed on the end surface of the pipe body, the limiting boss and the limiting opening can be matched, and at the moment, the strip-shaped hole is aligned with the long hole.

Optionally, the locking mechanism includes being suitable for fixing the fixed pin axle on the stand and connecting the decorative board of the distal end portion of fixed pin axle, the distal end portion of fixed pin axle with inject jointly between the decorative board the draw-in groove, backstop part deviates from the tip of fixed part is seted up jaggedly, the decorative board is suitable for inserting in the breach, and this moment, the surface of decorative board with the outer peripheral face of backstop part flushes, just the decorative board orientation the edge of stand with the terminal surface of tip flushes.

According to a second object of the present disclosure, there is provided a treadmill including the locking mechanism for a treadmill handrail described above.

Through the technical scheme, promptly this locking mechanism that discloses provides, when the handrail is located the position of use, activity round pin axle and draw-in groove align in the axial of activity round pin axle, activity round pin axle can follow the axial and move to the locking position from the unblock position, also the activity round pin axle can follow axial motion and stretch into in the draw-in groove in order to cooperate with the draw-in groove, thereby releasably be fixed in the draw-in groove, just so with the handrail connection on the stand, the locking to the handrail has been realized, make the handrail can not move for the stand, when needs unblock, drive activity round pin axle withdraws from in the draw-in groove, break away from the cooperation with the draw-in groove, just can remove the spacing connection between handrail and the stand, the handrail can.

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 locking mechanism for a treadmill handrail after the locking mechanism is installed on a treadmill with the handrail in a use position according to some embodiments of the present disclosure;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 1, with the decorative layer of the handrail removed;

FIG. 4 is an exploded view of portion A of FIG. 1, with the decorative layer of the handrail removed;

FIG. 5 is an exploded view from another perspective as shown at portion A of FIG. 1, with the decorative layer of the handrail removed;

FIG. 6 is a schematic perspective view of a locking mechanism for a treadmill handrail after the locking mechanism is installed on a treadmill with the handrail in a stowed position according to some embodiments of the present disclosure;

fig. 7 is an enlarged view of a portion B in fig. 6.

Description of the reference numerals

1-a movable pin shaft, 11-a first threaded hole, 2-a clamping groove, 21-a decorative plate, 211-a second threaded hole,

22-fixed pin shaft, 221-first through hole, 222-third threaded hole, 3-sleeve bracket,

31-fixing part, 311-long hole, 32-stopping part, 321-notch, 33-step surface,

331-arc-shaped accommodating holes, 34-limit bosses, 4-elastic reset pieces, 5-bolts, 6-upright posts,

61-accommodating holes, 62-connecting holes, 7-handrails, 71-tube bodies, 711-arc clappers, 712-strip-shaped holes,

713-limiting notch, 72-decorative layer, 81-first fastener, 82-second fastener and 9-cross bar.

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, "first, second, etc. are used herein only for distinguishing one element from another, and are not necessarily sequential or significant. In the following description, when referring to the figures, the same reference numbers in different figures denote the same or similar elements, unless otherwise explained.

According to a first aspect of the present disclosure, there is provided a locking mechanism for a treadmill handrail, as shown in fig. 5 and 7, the locking mechanism includes a slot 2 and a movable pin 1 that can be adapted, one of the slot 2 and the movable pin 1 is adapted to be disposed on a column 6 of the treadmill, the other of the slot 2 and the movable pin 1 is adapted to be disposed on a handrail 7, the movable pin 1 can reciprocate along its own axial direction between a locking position in which the movable pin 1 is engaged with the slot 2 to restrict movement of the handrail 7 relative to the column 6 and an unlocking position in which the movable pin 1 is disengaged from the slot 2 to enable movement of the handrail 7 relative to the column 6.

Through the technical scheme, promptly the locking mechanism that this disclosure provided, when handrail 7 is located the position of use, activity round pin axle 1 and draw-in groove 2 align in the axial of activity round pin axle 1, activity round pin axle 1 can move to the locking position from the unblock position along the axial, also the activity round pin axle 1 can be along axial motion and stretch into in draw-in groove 2 in order to cooperate with draw-in groove 2, thereby releasably be fixed in draw-in groove 2, just so with handrail 7 connected on stand 6, realized the locking to handrail 7, make handrail 7 can not move for stand 6, when needs unblock, drive activity round pin axle 1 withdraws from in draw-in groove 2, break away from the cooperation with draw-in groove 2, just can relieve the connection between handrail 7 and the stand 6, handrail 7 can move for stand 6.

According to some embodiments of the present disclosure, referring to fig. 4 and 5, the locking mechanism includes an elastic restoring member 4, and the elastic restoring member 4 may provide an elastic force to the movable pin 1 toward the locking position. Like this, when not having external drive, activity round pin axle 1 is in the locking position all the time under the effect of elasticity piece 4 that resets to guaranteed when needs connect handrail 7 in stand 6, activity round pin axle 1 can keep in the locking position all the time, improved locking mechanical system's reliability. When the driving handrail 7 moves from the storage position to the use position, external force can be applied firstly to enable the movable pin shaft 1 to be located at the unlocking position, so that the handrail 7 can adjust the angle relative to the upright post 6, the movable pin shaft 1 and the clamping groove 2 are aligned, then the external force is removed, and the movable pin shaft 1 moves to the locking position under the action of the elastic resetting piece 4.

In order to facilitate the installation of the movable pin 1 and the elastic restoring member 4, in some embodiments of the present disclosure, as shown in fig. 4 and 5, the locking mechanism includes a sleeve holder 3, the movable pin 1 is movably inserted into a central shaft hole of the sleeve holder 3, and the elastic restoring member 4 is located in the central shaft hole and has one end abutting against the movable pin 1 and the other end abutting against the sleeve holder 3. Like this, elasticity resets 4 compressed between activity round pin axle 1 and barrel casing support 3, can provide elastic force for activity round pin axle 1, and the central axis hole of barrel casing support 3 still can play the spacing effect of guide for elasticity resets 4 and activity round pin axle 1 for activity round pin axle 1 reliably follows axial motion. The elastic restoring member 4 may be an elastic member such as a spring, and the disclosure is not limited thereto.

According to some embodiments of the present disclosure, as shown with reference to fig. 4 and 5, the sleeve holder 3 includes a fixing portion 31 and a stopping portion 32, the fixing portion 31 is configured to be inserted into an end portion of the tubular handrail 7, and a step surface 33 is formed between the stopping portion 32 and the fixing portion 31, the step surface 33 being configured to abut against an end surface of the end portion of the handrail 7. Thus, the fixing portion 31 is inserted into the armrest 7, and the step surface 33 abuts against the end surface of the armrest 7 to limit the position, so that the connection structure between the sleeve support 3 and the armrest 7 is simplified, beautiful and convenient to operate. Here, as can be seen by referring to fig. 4 and 5, the step surface 33 is formed in a circular shape around the circumference.

The fixing portion 31 may be interference-fitted into the armrest 7, or fixed in the armrest 7 by welding or the like, which is not limited in the present disclosure. The stopping portion 32 may be configured as an arc-shaped stopper extending from the end of the fixed portion, and the design is such that when the armrest 7 moves to the use position (refer to the rotation mode of the armrest 7 shown in fig. 1 and 6), the outer circumferential surface of the fixed pin 22 abuts against the inner side surface of the arc-shaped stopper to limit the armrest 7 to continue rotating, and at this time, the slot 2 and the movable pin 1 are aligned in the axial direction, so that it can be known that the slot 2 and the movable pin 1 are aligned in the axial direction without manual alignment, and the armrest 7 is conveniently connected to the upright 6 through the locking mechanism.

According to some embodiments of the present disclosure, referring to fig. 2 to 5, the armrest 7 includes a tube body 71 and a decoration layer 72 fitted over the tube body 71, the fixing portion 31 is inserted into an end of the tube body 71 in an interference fit manner, an end surface of the decoration layer 72 abuts against the step surface 33, and an outer circumferential surface of the decoration layer 72 is flush with an outer circumferential surface of the stopping portion 32. Therefore, the sleeve support 3 is connected with the handrail 7 in a seamless mode, and the smooth transition, the appearance and the neatness are achieved. Wherein, body 71 can be the metal product, and decorative layer 72 can be non-metal product, for example silica gel, plastics, EVA bubble cotton etc. comfort level when can improving the use. And the fixing portion 31 may be a non-metallic product to facilitate the interference fit insertion into the tube body 71 and to prevent noise from being generated during the insertion.

According to some embodiments of the present disclosure, as shown in fig. 3 to 5, an arc-shaped tongue plate 711 is formed at an end of the pipe body 71, and an arc-shaped receiving hole 331 extending in the axial direction of the movable pin 1 is formed in the step surface 33, and the arc-shaped tongue plate 711 can be inserted into the arc-shaped receiving hole 331 with a shape fit. The fitting of the arc-shaped tongue plate 711 and the arc-shaped receiving hole 331 can increase the strength of connection between the tube body 71 and the fixing portion 31, and particularly, when the fixing portion 31 is interference-fitted into the tube body 71, it can also play a role in circumferential restraint, increasing the reliability of connection.

In order to facilitate the movement of the movable pin 1 inserted into the central axis hole of the sleeve holder 3, as shown in fig. 4 and 5, the locking mechanism may include a bolt 5 for manual operation, the fixing portion 31 is formed with a long hole 311 extending in the axial direction, the armrest 7 is formed with a strip-shaped hole 712 extending in the axial direction at an end portion thereof, and the bolt 5 is connected to the movable pin 1 through the strip-shaped hole 712 and the long hole 311. Thus, pulling the latch 5 in the direction opposite to the elastic force of the elastic restoring member 4 can pull the movable pin 1 from the locked position to the unlocked position against the elastic force of the elastic restoring member 4. Wherein, a strip-shaped hole 712 is opened on both the tube body 71 and the decoration layer 72 to facilitate the installation and operation of the latch 5. In addition, the latch 5 is connected to the movable pin 1 in various ways, and in some embodiments provided in the present disclosure, one end of the latch 5 may have an external thread, a first threaded hole 11 extending in a radial direction is formed in the movable pin 1, and the latch 5 is threadedly connected to the movable pin 1.

Alternatively, as shown in fig. 3 to 5, the outer peripheral surface of the fixing portion 31 may be formed with a stopper boss 34 connected to the step surface 33, and a stopper slit 713 may be formed on the end surface of the tube body 71, the stopper boss 34 being capable of fitting into the stopper slit 713 while the strip-shaped hole 712 is aligned with the long hole 311. Thus, when the fixing part 31 is inserted into the pipe body 71, the limit boss 34 is aligned with the limit notch 713, so that the long hole 311 and the strip-shaped hole 712 can be aligned, the installation is convenient, and the limit boss 34 is matched with the limit notch 713 to play a role in circumferential limit.

According to some embodiments of the present disclosure, referring to fig. 4 to 7, the locking mechanism includes a fixing pin 22 adapted to be fixed on the pillar 6 and a decorative plate 21 connected to a distal end portion of the fixing pin 22, the distal end portion of the fixing pin 22 and the decorative plate 21 together define a slot 2 therebetween, an end portion of the stopping portion 32 facing away from the fixing portion 31 is provided with a notch 321, the decorative plate 21 is adapted to be inserted into the notch 321, and at this time, an outer surface of the decorative plate 21 is flush with an outer peripheral surface of the stopping portion 32, and an edge of the decorative plate 21 facing the pillar 6 is flush with an end surface of the end portion of the stopping. Wherein, decorative board 21 can be fixed on fixed pin axle 22 outer peripheral face, and when handrail 7 rotated to the position of use, fixed pin axle 22 was held in the part that corresponds to backstop part 32 in the central axis hole, and decorative board 21 then inserted in breach 321 to flush with the outer peripheral face of backstop part 32, and decorative board 21 also flushes with the terminal surface of backstop part 32 towards the edge of stand 6, reaches pleasing to the eye clean and tidy effect. It should be explained here that the distal end of the fixing pin 22 is the end remote from the upright 6.

Alternatively, as shown in fig. 4 and 5, the end face of the distal end portion of the fixing pin 22 may be formed with an end face protrusion, and an end of the decorative plate 21 remote from the pillar 6 protrudes out of the end face of the distal end portion of the fixing pin 22, thereby forming the card slot 2 together with the end face protrusion. Here, the shape of the slot 2 may be set according to actual requirements, and in the embodiment shown in fig. 2 to 6, the slot 2 is configured as a straight vertical slot, i.e., the opening width thereof is in the same direction as the length of the upright 6, so that when the movable pin 1 is fitted into the slot 2, the rotation of the armrest 7 can be restricted. In other embodiments, the slot 2 may be configured as a straight horizontal slot, or a circular open slot or a cross slot, etc., that is, it may be set according to actual requirements.

In the embodiments provided in the present disclosure, the decorative plate 21 may be connected to the fixing pin 22 by a suitable means. Alternatively, as shown in fig. 5, the decorative plate 21 may have an arc-shaped inner side surface which is form-fitted to the outer circumferential surface of the fixing pin 22 and on which the second screw hole 211 is formed, and a first through hole 221 which extends in the radial direction is formed on the fixing pin 22, and the first fastening member 81 is screw-coupled to the second screw hole 211 through the first through hole 221, thereby fixedly coupling the decorative plate 21 to the fixing pin 22.

In the embodiments provided in the present disclosure, the fixing pin 22 may be connected to the pillar 6 by a suitable means. Alternatively, as shown in fig. 3 and 4, a receiving hole 61 and a second through hole 62 may be formed in the column 6, the second through hole 62 may extend in a radial direction of the receiving hole 61 and communicate with the receiving hole 61, a third threaded hole 222 may be formed in the fixing pin 22 in the radial direction, the fixing pin 22 may be inserted into the receiving hole 61, and the second fastening member 82 may be screwed into the third threaded hole 222 through the second through hole 62, thereby fixing the fixing pin 22 to the column 6.

According to a second aspect of the present disclosure, a treadmill is provided that includes the locking mechanism for a treadmill handrail described above. The locking mechanism can releasably lock the handrail 7 on the upright post 6, and ensures the switching of the upright post 6 between the use position and the storage position, so that the handrail 7 can be folded relative to the upright post 6, and the storage is convenient.

As shown in fig. 1 and 6, the treadmill may include two uprights 6, a cross bar 9 connected between the two uprights 6, and two handrails 7 disposed in one-to-one correspondence with the uprights 6. The armrest 7 may be configured in a U-shape with opposing first and second ends, the first end being rotatably connected to the crossbar 9, and the locking mechanism provided by the present disclosure being provided between the second end and the upright 6, when the treadmill is in normal use, the second end of the armrest 7 is required to be locked on the upright 6 in the use position, and when the treadmill is required to be stored, the locking between the second end of the armrest 7 and the upright 6 is released, thereby enabling the armrest 7 to be rotated to the storage position. Here, the cross bar 9 may be hingedly connected to the upright 6 so as to be pivotable about a transverse pivot axis (transverse here referring to the width of the treadmill) to be flipped over relative to the upright 6 to facilitate storage of the treadmill. When the cross bar 9 is turned over relative to the upright 6 for storage, the locking between the armrest 7 and the upright 6 should be released, and then the armrest 7 should be rotated, for example, by 90 degrees, so that the second end faces the cross bar 9; and when the cross rod 9 is turned back for the upright post 6 to be used normally, the handrail 7 can be turned back and reset, and then the cross rod 9 is turned back, so that when the cross rod 9 is turned back to the position, the movable pin shaft 1 on the handrail 7 can be inserted into the clamping groove 2 at the same time, and the locking state is further achieved.

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 locking mechanism for a treadmill handrail is characterized in that the locking mechanism comprises a clamping groove (2) and a movable pin shaft (1) which can be matched with each other, one of the clamping groove (2) and the movable pin shaft (1) is suitable for being arranged on an upright post (6) of the treadmill, the other one of the clamping groove (2) and the movable pin shaft (1) is suitable for being arranged on the handrail (7), the movable pin shaft (1) can reciprocate between a locking position and an unlocking position along the axial direction of the movable pin shaft, in the locking position, the movable pin shaft (1) is matched with the clamping groove (2), to limit the movement of the armrest (7) relative to the upright (6), in the unlocking position, the movable pin shaft (1) is separated from the clamping groove (2), so that the armrest (7) can move relative to the upright (6).

2. Locking mechanism for a treadmill handrail as claimed in claim 1, characterised in that it comprises an elastic return member (4), the elastic return member (4) providing the mobile pin (1) with an elastic force towards the locking position.

3. The locking mechanism for treadmill handle as recited in claim 2, wherein the locking mechanism comprises a sleeve bracket (3), the movable pin (1) is movably inserted into a central shaft hole of the sleeve bracket (3), the elastic restoring member (4) is located in the central shaft hole and one end abuts against the movable pin (1) and the other end abuts against the sleeve bracket (3).

4. The locking mechanism for a treadmill handrail as claimed in claim 3, wherein the cartridge holder (3) comprises a fixing portion (31) and a stopping portion (32), the fixing portion (31) being adapted to be inserted into an end of the handrail (7) having a tubular shape, a step surface (33) being formed between the stopping portion (32) and the fixing portion (31), the step surface (33) being adapted to abut against an end surface of the end of the handrail (7).

5. The locking mechanism for a treadmill handrail as claimed in claim 4, wherein the handrail (7) comprises a tube body (71) and a decoration layer (72) fitted over the tube body (71), the fixing portion (31) is inserted into the end of the tube body (71) with interference fit, the end surface of the decoration layer (72) abuts against the step surface (33), and the outer circumferential surface of the decoration layer (72) is flush with the outer circumferential surface of the stopping portion (32).

6. A locking mechanism for a treadmill handrail as claimed in claim 5, characterised in that the end of the tube (71) is formed with an arc-shaped tongue plate (711), the step surface (33) is formed with an arc-shaped receiving hole (331) extending in the axial direction of the movable pin (1), and the arc-shaped tongue plate (711) is inserted into the arc-shaped receiving hole (331) with a form-fit.

7. The locking mechanism for a treadmill handrail as claimed in claim 5, characterized in that the locking mechanism comprises a bolt pin (5) for manual operation, the fixing portion (31) is provided with a long hole (311) extending along the axial direction, the handrail (7) is provided with a strip-shaped hole (712) extending along the axial direction at the end portion, and the bolt pin (5) is connected to the movable pin shaft (1) through the strip-shaped hole (712) and the long hole (311).

8. The locking mechanism for the handrail of the treadmill according to claim 7, wherein the outer circumferential surface of the fixing portion (31) is formed with a limit protrusion (34) connected to the step surface (33), the end surface of the tube body (71) is formed with a limit notch (713), the limit protrusion (34) and the limit notch (713) can be fitted, and the strip-shaped hole (712) is aligned with the elongated hole (311).

9. The locking mechanism for a treadmill handrail as claimed in claim 5, characterized in that the locking mechanism comprises a fixed pin (22) adapted to be fixed on the upright (6) and a decorative plate (21) connected to a distal end portion of the fixed pin (22), the distal end portion of the fixed pin (22) and the decorative plate (21) together defining the slot (2), an end portion of the stop portion (32) facing away from the fixed portion (31) is provided with a notch (321), the decorative plate (21) is adapted to be inserted into the notch (321), and when the outer surface of the decorative plate (21) is flush with the outer circumferential surface of the stop portion (32), and an edge of the decorative plate (21) facing the upright (6) is flush with an end surface of the end portion of the stop portion (32).

10. A treadmill, characterized in that the treadmill comprises a locking mechanism for a treadmill handrail as recited in any of claims 1-9 above.

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