CN216487779U - Reverse button and treadmill handrail using same - Google Patents

Abstract

The utility model relates to a reversing button and use treadmill handrail of this reversing button, the reversing button includes casing (2), sets up connecting rod telescopic machanism (4) in this casing (2), connect in pressing portion (1) of connecting rod telescopic machanism (4) one end, and connect in the moving part of connecting rod telescopic machanism (4) other end, this moving part wear to locate the bottom surface of casing (2) can be in press portion (1) to drive through connecting rod telescopic machanism (4) when pressing and follow the opposite direction motion of pressing the direction. A treadmill handrail using the reversing button is also provided. Through above-mentioned technical scheme, the reverse button that this disclosure provided can be fast with by coupling mechanism separation and realize the fast switch-over that different keep off the position, the unblock of being convenient for, and is easy and simple to handle, greatly uses manpower sparingly.

Description

Reverse button and treadmill handrail using same

Technical Field

The utility model relates to a frock technical field specifically relates to a reverse button and use treadmill handrail of this reverse button.

Background

In the existing workpiece assembling process, a knob or a screw with threads is generally used for fixing two connecting pieces, when the length of different gears needs to be flexibly switched, the knob or the screw needs to be rotated in the opposite direction to be screwed out, and after the next gear is switched, the next gear is rotated and fixed, so that the operation is troublesome, time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

The purpose of this disclosure is to provide a reversing button and treadmill handle using the same, the reversing button is convenient to operate and high in efficiency.

In order to achieve the above object, according to a first aspect of the present disclosure, the present disclosure provides a reversing button, which includes a housing, a link mechanism disposed in the housing, a pressing portion connected to one end of the link mechanism, and a movable member connected to the other end of the link mechanism, the movable member being inserted into a bottom surface of the housing and being capable of moving in a direction opposite to a pressing direction by being driven by the link mechanism when the pressing portion is pressed.

Optionally, the upper end and the lower end of the connecting rod telescopic mechanism are respectively provided with an upper hinge shaft and a lower hinge shaft, the left end and the right end of the connecting rod telescopic mechanism are respectively provided with a left hinge shaft and a right hinge shaft, the shell is provided with a transverse long hole, the transverse long hole is perpendicular to the transverse extension of the pressing direction, the left hinge shaft and the right hinge shaft are arranged in the transverse long hole and can translate in the transverse long hole, the upper hinge shaft is connected with the pressing part, and the lower hinge shaft is connected with the moving part.

Optionally, the link telescoping mechanism includes four links, and the four links are sequentially hinged end to end through the upper hinge shaft, the lower hinge shaft, the left hinge shaft, and the right hinge shaft to form a parallelogram link assembly.

Optionally, the reverse button further includes an upper connecting member and a lower connecting member, the upper hinge shaft is hinged to the upper connecting member, and the pressing portion is fixed to the upper connecting member; the lower hinge shaft is hinged to the lower connecting piece, and the moving piece is fixed on the lower connecting piece.

Optionally, a pin is arranged between the upper connecting piece and the lower connecting piece, a return spring is sleeved on the pin, and two ends of the return spring respectively abut against the upper connecting piece and the lower connecting piece.

Optionally, the upper hinge shafts are two and oppositely fixed at two opposite sides of the upper connecting member, the lower hinge shafts are two and oppositely fixed at two opposite sides of the lower connecting member, the left hinge shaft and the right hinge shaft are respectively and correspondingly two, so that the link rod telescopic mechanisms are symmetrically arranged at two groups at two sides of the upper connecting member and the lower connecting member, and the transverse long holes are correspondingly two and formed on two opposite side walls of the shell.

Alternatively, the upper link and the lower link are respectively of a plate-shaped structure, the two upper hinge shafts are located at opposite sides of the upper link in a first direction, a first mounting hole for mounting the pressing part is formed in the upper link, and two first connection holes are formed with respect to the first mounting hole in a second direction perpendicular to the first direction.

The two lower hinge shafts are located on opposite sides of the lower connecting member in the first direction, a second mounting hole for mounting the movable member is formed in the lower connecting member, two second connecting holes are formed in a second direction perpendicular to the first direction with respect to the second mounting hole, and the two first connecting holes and the two second connecting holes are aligned in the pressing direction to mount one pin, respectively.

Optionally, the reverse button further includes an elastic restoring member that provides an elastic force that resists movement of the pressing portion in the pressing direction.

Optionally, the connecting rod telescopic mechanism includes a fifth connecting rod and a sixth connecting rod hinged through a middle hinge shaft, a limiting hole used for accommodating the middle hinge shaft is formed in the side wall of the casing, the fifth connecting rod and the sixth connecting rod are arranged in a scissor fork manner, the upper ends of the fifth connecting rod and the sixth connecting rod are hinged to the upper base through upper hinge shafts respectively, the lower ends of the fifth connecting rod and the sixth connecting rod are hinged to the lower base through lower hinge shafts respectively, hinge long holes extending in the direction perpendicular to the pressing direction are formed in the upper base and the lower base respectively, the upper hinge shaft and the lower hinge shaft are hinged to the corresponding base through the hinge long holes respectively, the pressing portion is fixed to the upper base, and the moving member is fixed to the lower base.

According to the second aspect of the present disclosure, the present disclosure further provides a treadmill handrail, including the first grab rail and the second grab rail that establish each other, be provided with the mounting hole on the first grab rail, be provided with a plurality of locating holes on the second grab rail, the casing of reverse button install in on the first grab rail, the moving part passes the mounting hole locking in the locating hole.

Through the technical scheme, the reverse button that this disclosure provided is through pressing splenium and moving part to connect on connecting rod telescopic machanism, and the characteristic through connecting rod telescopic machanism, can realize the moving part and press the reverse direction operation of splenium, can adapt to the requirement of special operating mode like this, for example under the operating mode in the treadmill that this disclosure provided, for the operation of relevant personnel, can design into such button with the flexible regulation control button of handrail, in the time of only needing the staff to grip the handrail like this, realize with the thumb that the moving part that presses the splenium can withdraw from corresponding locating hole with the locking between two handrail poles, realize the length adjustment of handrail pole through the staff simultaneously again, realize the one-hand operation of handrail pole, and convenient operation. The efficiency is high.

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 reversing button provided in a first embodiment of a first aspect of the present disclosure;

fig. 2 is an exploded perspective view of a reversing button provided in a first embodiment of a first aspect of the present disclosure;

FIG. 3 is a schematic structural diagram of a reverse button provided in a second embodiment of the first aspect of the present disclosure;

FIG. 4 is a schematic perspective view of an armrest for a treadmill according to an embodiment of the second aspect of the present disclosure;

fig. 5 is a schematic view of an operating state in which a reversing button is mounted on an armrest of a treadmill according to an embodiment of the second aspect of the present disclosure.

Description of the reference numerals

1-pressing part; 2-a shell; 3-transverse long hole; 4-link telescoping mechanism; 41-connecting rod; 42-upper hinge axis; 43-lower hinge axis; 44-left hinge axis; 45-right hinge axis; 46-an upper connector; 461-first upper connection hole; 462-a second upper connection hole; 47-lower connector; 471-first lower connection hole; 472-second lower connection hole; 5-a pin; 6-a return spring; 7-a pin shaft; 8-a first grab rail; 81-mounting holes; 9-a second grab rail; 91-positioning holes; 10-a screw; 11-a fifth link; 12-a sixth link; 13-a central articulated shaft; 14-a limiting hole; 15-an upper base; 16-a lower base; 17-hinge slot hole.

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, unless otherwise specified, use of the terms of orientation such as "upper and lower" generally means "upper and lower" and "inner and outer" relative to the corresponding component in the use state, in the direction of gravity, and "inner and outer" means "inner and outer" relative to the profile of the corresponding component itself. "X" means a first direction, "Y" means a second direction, and "F" means a pressing direction. In addition, the terms "first," "second," and the like, as used herein, are intended to distinguish one element from another, and are not necessarily sequential or significant. Furthermore, 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. The foregoing definitions are provided to illustrate and describe the present disclosure only and should not be construed to limit the present disclosure.

According to a specific embodiment of a first aspect of the present disclosure, referring to fig. 1 and 2, a reverse button is provided, which includes a housing 2, a link mechanism 4 disposed in the housing 2, a pressing portion 1 connected to one end of the link mechanism 4, and a movable member connected to the other end of the link mechanism 4, the movable member penetrating through a bottom surface of the housing 2 and being capable of moving in a direction opposite to a pressing direction by being driven by the link mechanism 4 when the pressing portion 1 is pressed.

Through the technical scheme, the reverse button that this disclosure provided is through pressing splenium 1 and moving part to connect on connecting rod telescopic machanism 4, and the characteristic through connecting rod telescopic machanism 4, can realize the moving part and press the operation in the opposite direction of splenium 1, can adapt to the requirement of special operating mode like this, for example under the operating mode in the treadmill that this disclosure provided, in order to make things convenient for relevant personnel to operate, can design into such button with the flexible regulation control button of handrail, in the time of only needing the staff to grip the handrail like this, realize withdrawing from corresponding locating hole 91 with the thumb pressing the moving part of splenium 1 to the operation of splenium 1, realize the length adjustment of handrail pole through the staff again simultaneously, realize the one-hand operation of handrail pole, high operation convenience and high efficiency.

According to the specific implementation manner of the first embodiment of the present disclosure, the upper and lower ends of the link mechanism 4 are respectively provided with an upper hinge shaft 42 and a lower hinge shaft 43, the left and right ends are respectively provided with a left hinge shaft 44 and a right hinge shaft 45, the housing 2 is provided with a transverse slot hole 3, the transverse slot hole 3 extends in a transverse direction perpendicular to the pressing direction, the left hinge shaft 44 and the right hinge shaft 45 are disposed in the transverse slot hole 3 and can translate in the transverse slot hole 3, the upper hinge shaft 42 is connected with the pressing portion 1, and the lower hinge shaft 43 is connected with the movable member. Since the left hinge shaft 44 and the right hinge shaft 45 are respectively located in the lateral long hole 3. When pressing the portion 1 to the direction motion of moving part, connect in the last articulated shaft of pressing portion 1 along with the same direction motion of pressing portion 1, promptly, press portion 1 to move to lower articulated shaft 43 direction, because left articulated shaft 44 and right articulated shaft 45 can only move in slot hole 3 scope, consequently left articulated shaft 44 and right articulated shaft 45 move to the outside direction of casing 2, thereby make lower articulated shaft 43 move to the direction of upper articulated shaft 42 under the drive of connecting rod telescopic machanism, and then drive the moving part of being connected with lower articulated shaft 43 and move to the direction of upper articulated shaft 42, the locking piece that links to each other with upper articulated shaft 42 moves to the opposite direction of pressing the direction thereupon.

According to the specific implementation manner of the first embodiment of the present disclosure, the link telescoping mechanism 4 further includes four links 41, and the four links 41 are sequentially hinged end to end through an upper hinge shaft 42, a lower hinge shaft 43, a left hinge shaft 44, and a right hinge shaft 45 to form a parallelogram link assembly. The opposite ends of the parallelogram link assembly can be moved toward or away from each other by the hinge action of the upper hinge shaft 42, the lower hinge shaft 43, the left hinge shaft 44, and the right hinge shaft 45.

According to the specific implementation manner of the first embodiment of the present disclosure, the reversing button further includes an upper connecting member 46 and a lower connecting member 47, the upper hinge shaft 42 is hinged to the upper connecting member 46, and the pressing part 1 is fixed to the upper connecting member 46; the lower hinge shaft 43 is hinged to a lower connecting member 47 and the movable member is fixed to the lower connecting member 47, thereby connecting one end of the pressing part 1 to one end of the movable member through a link telescoping mechanism.

According to a specific implementation manner of the first embodiment of the present disclosure, the reversing button further includes an elastic restoring member that provides an elastic force that prevents the pressing part 1 from moving in the pressing direction. Thus, when the external force applied to the pressing part 1 disappears, the pressing part 1 can be restored to the initial position under the action of the elastic restoring piece, so that the whole device is restored. As a specific example, the elastic return member is a return spring 6.

According to the specific implementation manner of the first embodiment of the present disclosure, a pin 5 is disposed between the upper connecting member 46 and the lower connecting member 47, and a return spring 6 is sleeved on the pin 5, and two ends of the return spring respectively abut against the upper connecting member and the lower connecting member. The return spring 6 is for providing an elastic force for moving the pressing portion 1 and the movable member away from each other. When pressing the portion 1 to the moving part direction when moving, because reset spring's both ends support respectively and push against connecting piece and lower connecting piece, consequently go up connecting piece 46 and exert a power along pressing the direction to reset spring 6, reset spring 6 is compressed, when releasing and pressing the portion 1, because reset spring 6 provides the elasticity along pressing the opposite direction of direction to connecting piece 46, thereby make connecting piece 46 and lower connecting piece 47 keep away from each other, and then drive the moving part and keep away from pressing portion 1 and answer the normal position.

According to a specific embodiment of the first embodiment of the present disclosure, the upper hinge shafts 42 are two and oppositely fixed at opposite sides of the upper link 46, the lower hinge shafts 43 are two and oppositely fixed at opposite sides of the lower link 47, and the left hinge shafts 44 and the right hinge shafts 45 are respectively two corresponding, so that the link retraction mechanism 4 is two sets symmetrically disposed at both sides of the upper link 46 and the lower link 47, and the lateral long holes 3 are two corresponding and formed at opposite side walls of the housing 2. Two groups of parallelogram link assemblies are arranged in the shell 2 in parallel and are connected with the pressing part 1 through the upper hinge shaft 42, and the lower hinge shaft 43 is connected with the movable part, so that the link telescoping mechanism moves more stably in the shell and has better balance.

According to a specific embodiment of the first embodiment of the present disclosure, the upper link 46 and the lower link 47 are respectively plate-shaped structures, the two upper hinge shafts 42 are located at opposite sides of the upper link 46 in the first direction, the upper link 46 is formed with a first upper connection hole 461 for mounting the pressing part 1, and two second upper connection holes 462 are formed with respect to the first upper connection hole 461 in the second direction perpendicular to the first direction, the two lower hinge shafts 43 are located at opposite sides of the lower link 47 in the first direction, the lower link 47 is formed with a first lower connection hole 471 for mounting the moving part, and two second lower connection holes 472 are formed with respect to the first lower connection hole 471 in the second direction perpendicular to the first direction, and the two second upper connection holes 462 and the two second lower connection holes 472 are aligned in the pressing direction to respectively mount one pin 5.

As a specific embodiment, the movable member is a pin 7. Pressing portion 1 is connected on the link telescoping mechanism through first last connecting hole 461, and the moving part is connected on the link telescoping mechanism through first connecting hole 471 down, and two pins 5 set up respectively between first last connecting hole 461 and first connecting hole 471 down, and two reset spring 6 overlap respectively and locate pin 5 periphery for support top connecting piece 46 and lower connecting piece 47, two sets of parallelogram link assembly set up respectively on last articulated shaft 42, articulated shaft 43 down, left articulated shaft 44 and right articulated shaft 45. The pressing portion 1 is connected with the first upper connecting hole 461 through threads, and the pin 7 is fixed with the first lower connecting hole 471 through a screw 10, so that the pressing portion 1, the pin 7 and the connecting rod telescopic mechanism are detachably connected. Any suitable connection mode can be adopted among the pressing part 1, the movable part and the connecting rod telescopic mechanism, and the disclosure does not specifically limit the connection mode.

According to a specific implementation manner of the second embodiment of the present disclosure, referring to fig. 3, the reversing button may also adopt a link telescoping mechanism of another structure, the link telescoping mechanism includes a fifth link 11 and a sixth link 12 hinged through an intermediate hinge shaft 13, a limit hole 14 for receiving the intermediate hinge shaft 13 is formed on a side wall of the housing 2, the fifth link 11 and the sixth link 12 are arranged in a scissor fork, and upper ends of the fifth link 11 and the sixth link 12 are hinged on the upper base 15 through an upper hinge shaft 42 respectively, lower ends of the fifth link are hinged on the lower base 16 through a lower hinge shaft 43 respectively, hinge long holes 17 extending in a direction perpendicular to the pressing direction are formed on the upper base 15 and the lower base 16 respectively, the upper hinge shaft 42 and the lower hinge shaft 43 are hinged with the corresponding bases through the hinge long holes 17 respectively, the pressing portion 1 is fixed on the upper base 15, and the movable member is fixed on the lower base 16.

The pressing portion 1 is connected to the upper base 15, the pin 7 is connected to the lower base 16, and the pin 5 and the return spring 6 are connected between the upper base 15 and the lower base 16, it should be noted that the second embodiment is different from the first embodiment only in the structure of the link telescoping mechanism, and the shapes and connection modes of the pressing portion 1, the pin 7, the pin 5, the return spring 6, and the like in the second embodiment may be the same as those in the first embodiment, and are not described herein again in order to avoid repetition.

When the pressing portion 1 is pressed down, the upper base 15 moves in the pressing direction under the driving of the pressing portion 1, under the limiting action of the middle hinge shaft 13 located in the limiting hole 14, the two ends of the fifth link 11 and the sixth link 12 respectively move towards the two ends of the housing 2 along the hinge long hole 17 with the middle hinge shaft 13 as the shaft, so as to drive the pin 7 to move in the direction opposite to the pressing direction, meanwhile, the reset spring 6 generates the elastic force for preventing the pressing portion 1 from moving in the pressing direction due to being compressed, and when the pressing portion 1 is released, the pin 7 moves in the direction away from the pressing portion 1 and returns to the original position under the elastic force of the reset spring 6.

According to a second aspect of the present disclosure, the present disclosure further provides a treadmill handrail, as shown in fig. 4 and 5, including a first handrail rod 8 and a second handrail rod 9 sleeved with each other, a mounting hole 81 is provided on the first handrail rod 8, a plurality of positioning holes 91 are provided on the second handrail rod 9, the housing 2 of the above-mentioned reversing button is mounted on the first handrail rod 8, and a movable member passes through the mounting hole 81 and is locked in the positioning holes 91. The reverse button that this disclosure provided is through mounting hole 81 on the first bar 8 and the locating hole 91 on the second bar 9 with first bar 8 and second bar 9 fixed connection to can carry out the hole site cooperation through moving part and mounting hole 81 and locating hole 91 and realize the fast switch-over of different fender position on the handrail.

When the treadmill handle according to the second aspect of the present disclosure is used, in a case where a pressing force is not applied to the backward button, due to the elastic force of the return spring 6 inside the link telescoping mechanism 4, the movable member is inserted into the mounting hole 81 on the first handrail rod 8 and the positioning hole 91 on the second handrail rod 9 and is in a locked state, and at this time, the movable member is located at a position far from the pressing portion 1 under the action of the return spring 6. When the gear position needs to be cut on the treadmill handrail to change the length of the handrail, only a trainer or other operators need to hold the handrail rod by hands and simultaneously press the pressing part 1 on the reverse button with a thumb, the moving part can move in the reverse direction of the pressing direction and break away from the mounting hole 81 and the positioning hole 91 (or break away from the mounting hole 81 without leaving the mounting hole 81), so that the first handrail rod 8 and the second handrail rod 9 can relatively slide with force, the sleeved length of the two handrail rods is adjusted, then the thumb releases the pressing part 1, the moving part is reinserted into the mounting hole 81 and the positioning hole 91 after alignment under the action of the return spring 6, the first handrail rod 8 and the second handrail rod 9 are locked, namely, the switching of the treadmill handrail gears is completed, and the operation is convenient. The reverse button of the present disclosure may also be applied to other scenarios, and the present disclosure is not limited thereto.

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 the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention.

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. The utility model provides a reverse button, its characterized in that includes casing (2), sets up connecting rod telescopic machanism (4) in this casing (2), connect in press portion (1) of connecting rod telescopic machanism (4) one end, and connect in the moving part of the connecting rod telescopic machanism (4) other end, this moving part wear to locate the bottom surface of casing (2) and can be in press portion (1) when pressing and drive through connecting rod telescopic machanism (4) and follow the opposite direction motion of pressing the direction.

2. The reversing button according to claim 1, wherein the link mechanism (4) has upper and lower hinge shafts (42, 43) at upper and lower ends thereof, respectively, and left and right hinge shafts (44, 45), respectively, and the housing (2) has a transversely elongated hole (3) formed therein, the transversely elongated hole (3) extending in a transverse direction perpendicular to the pressing direction, the left and right hinge shafts (44, 45) being disposed in the transversely elongated hole (3) and being translatable in the transversely elongated hole (3), the upper hinge shaft (42) being connected to the pressing portion (1), and the lower hinge shaft (43) being connected to the movable member.

3. The reversing button according to claim 2, characterized in that said link pantograph mechanism (4) comprises four links (41), said four links (41) being hinged end to end by said upper hinge axis (42), lower hinge axis (43), left hinge axis (44) and right hinge axis (45) to form a parallelogram linkage assembly.

4. The reversal button according to claim 2 or 3, characterized in that it further comprises an upper connecting piece (46) and a lower connecting piece (47), the upper hinge axis (42) being hinged to the upper connecting piece (46), the pressing portion (1) being fixed to the upper connecting piece (46); the lower hinge shaft (43) is hinged to the lower connecting member (47) and the movable member is fixed to the lower connecting member (47).

5. The reversing button according to claim 4, characterized in that a pin (5) is arranged between the upper connecting piece (46) and the lower connecting piece (47), a return spring (6) is sleeved on the pin (5), and two ends of the return spring (6) respectively abut against the upper connecting piece (46) and the lower connecting piece (47).

6. The reversal button of claim 5, characterized in that the upper hinge shafts (42) are two and oppositely fixed to opposite sides of the upper link (46), the lower hinge shafts (43) are two and oppositely fixed to opposite sides of the lower link (47), and the left hinge shafts (44) and the right hinge shafts (45) are respectively two, so that the link retraction mechanism (4) is two sets symmetrically disposed on both sides of the upper link (46) and the lower link (47), and the transverse long holes (3) are two and formed on opposite side walls of the housing (2).

7. The reversing button according to claim 6, wherein the upper link (46) and the lower link (47) are respectively of a plate-like structure, two of the upper hinge shafts (42) are located at opposite sides of the upper link (46) in a first direction, the upper link (46) is formed with a first upper coupling hole (461) for mounting the pressing part (1), and two of the second upper coupling holes (462) are formed with respect to the first upper coupling hole (461) in a second direction perpendicular to the first direction,

the two lower hinge shafts (43) are located on opposite sides of the lower connecting member (47) in the first direction, a first lower connecting hole (471) for mounting the movable member is formed in the lower connecting member (47), and two second lower connecting holes (472) are formed with respect to the first lower connecting hole (471) in a second direction perpendicular to the first direction, the two second upper connecting holes (462) and the two second lower connecting holes (472) being aligned in the pressing direction for mounting one pin (5), respectively.

8. The reversing button according to claim 1, characterized in that it further comprises an elastic return member providing an elastic force that resists the movement of the pressing portion (1) in the pressing direction.

9. The reversing button according to claim 1, wherein the link retracting mechanism includes a fifth link (11) and a sixth link (12) hinged through an intermediate hinge shaft (13), the housing (2) has a stopper hole (14) on a side wall thereof for receiving the intermediate hinge shaft (13), the fifth link (11) and the sixth link (12) are arranged in a scissor fork, and have upper ends hinged to the upper base (15) through upper hinge shafts (42), respectively, and lower ends hinged to the lower base (16) through lower hinge shafts (43), respectively, the upper base (15) and the lower base (16) have hinge long holes (17) formed therein extending in a direction perpendicular to the pressing direction, the upper hinge shafts (42) and the lower hinge shafts (43) are hinged to the corresponding bases through the hinge long holes (17), respectively, the pressing part (1) is fixed to the upper base (15), the movable piece is fixed on the lower base (16).

10. The utility model provides a treadmill handrail, includes first handrail pole (8) and second handrail pole (9) that overlap each other and establish, be provided with mounting hole (81) on first handrail pole (8), be provided with a plurality of locating holes (91) on second handrail pole (9), its characterized in that, according to any one of claims 1-9 casing (2) of reverse button install in on first handrail pole (8), the moving part passes mounting hole (81) lock in locating hole (91).

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