CN220877638U - Folding structure for armrest of running machine - Google Patents

Abstract

The utility model discloses a folding structure of a running machine armrest, which comprises an upright post, a rotating shaft, a limiting swinging piece, an elastic piece and an armrest; the rotating shaft is in rotating fit with the upper end of the upright post, and the peripheral surface of the end part of the rotating shaft is provided with at least one positioning hole; the middle section of the limiting swing part is in rotary fit with the upper end of the upright post, and the upper end of the limiting swing part is in movable fit with the peripheral surface of the rotating shaft and is provided with a bolt which is movably embedded in the positioning hole; the lower end of the limiting swinging part is provided with a handle for operating the swinging limiting swinging part; the elastic piece is arranged on the upright post and connected with the limiting swinging piece so that the upper end of the limiting swinging piece is abutted against the peripheral surface of the rotating shaft; the end of the armrest is coaxially connected with the rotating shaft. According to the utility model, the rotation of the rotating shaft relative to the upright post is limited by the limit swinging piece which is easy to operate, so that the relative angle between the handrail and the upright post is controllably limited, when a user applies force to the handle of the limit swinging piece, the bolt of the limit swinging piece can be separated from the positioning hole of the rotating shaft, and the handrail can rotate relative to the upright post, so that the relative angle is adjusted, the folding is completed, and the operation is safer.

Description

Folding structure for armrest of running machine

Technical Field

The utility model relates to the technical field of treadmills, in particular to a folding structure of a handrail of a treadmill.

Background

The running machine is common exercise equipment, and the running machine is large in size and occupies a certain space. In order to facilitate storage or reduce transportation and storage costs, the conventional running machine is generally in a foldable form, and can fold the handrail and the upright post thereof to a state close to the stand.

In the related prior art, the foldable running machine is generally characterized in that the lower end of the upright post is in pin joint fit with the machine base, and the handrail is in pin joint fit with the upper end of the upright post. Most of the prior armrests and the upright posts are limited in rotation through a spring pin arranged at the end part of the armrests and a limiting hole arranged at the end part of the upright post, and the spring pin is inserted into the limiting hole in a state of no pressure so that the armrests and the upright post cannot rotate relatively. When the angle of the armrest needs to be adjusted or the armrest needs to be folded, a user needs to press the spring pin to enable the spring pin to retract into the limiting hole, so that the operation is difficult, and finger pinching is easy to cause.

Disclosure of utility model

The utility model aims to provide a folding structure of a handrail of a running machine, which solves the problems in the prior art, is convenient for users to fold the handrail of the running machine, and is simple and safe to operate.

In order to achieve the above object, the solution of the present utility model is:

A folding structure of a running machine armrest comprises an upright post, a rotating shaft, a limiting swinging piece, an elastic piece and an armrest; the rotating shaft is in rotating fit with the upper end position of the upright post, and the peripheral surface of the end part of the rotating shaft is provided with at least one positioning hole; the middle section of the limiting swing piece is in running fit with the upper end of the upright post, the upper end of the limiting swing piece is in movable fit with the peripheral surface of the rotating shaft, and a bolt which is movably embedded in the positioning hole is arranged; the lower end of the limiting swinging part is provided with a handle for operating and swinging the limiting swinging part; the elastic piece is arranged on the upright post and connected with the limiting swinging piece, so that the upper end of the limiting swinging piece is abutted against the peripheral surface of the rotating shaft; the end part of the handrail is coaxially connected with the rotating shaft.

The upper end of the upright post is fixedly connected with a fixing plate; the fixed plate is provided with a first arc-shaped groove with an upward opening, the end part of the rotating shaft is matched in the first arc-shaped groove and is limited by a limiting plate with a second arc-shaped groove with a downward opening, and the limiting plate is fixed on the side face of the fixed plate.

Preferably, the end part of the rotating shaft is coaxially connected with a movable plate, and the movable plate and the limiting plate are clamped on two sides of the fixed plate; the movable plate is provided with a first arc hole coaxially arranged with the rotating shaft, a limiting column penetrating into the first arc hole is arranged on the surface of the fixed plate, and the limiting column is movably matched between two ends of the first arc hole along with rotation of the rotating shaft.

Preferably, the peripheral surface of the first arc-shaped hole is provided with a notch communicated with the edge of the movable plate.

The folding structure of the running machine armrest also comprises a marble bolt; the limiting plate is provided with a plurality of angle adjusting holes at the periphery of the second arc-shaped groove; the end part of the handrail connected with the rotating shaft is provided with a bolt fixing hole; the ball bolt is arranged in the bolt fixing hole and movably penetrates through an angle adjusting hole of the armrest along with the angle adjustment of the armrest.

The upright post is a hollow pipe fitting; the limiting swing piece is arranged in the upper end of the upright post, the middle section of the limiting swing piece is rotationally connected with the inner wall of the upright post, a second arc-shaped hole is formed in the position, corresponding to the handle, of the upright post, and the handle penetrates out of the second arc-shaped hole; the elastic piece is a tension spring, two ends of the elastic piece are respectively connected with the upright post and the limiting swinging piece, and a connecting point of the elastic piece and the limiting swinging piece is positioned between the upper end and the middle section of the limiting swinging piece.

After the technical scheme is adopted, the utility model has the following technical effects:

According to the utility model, the rotation of the rotating shaft relative to the upright post is limited by the limit swinging piece which is easy to operate, so that the relative angle between the handrail and the upright post is controllably limited, when a user applies force to the handle of the limit swinging piece, the bolt of the limit swinging piece can be separated from the positioning hole of the rotating shaft, and the handrail can rotate relative to the upright post, so that the relative angle is adjusted, the folding is completed, and the operation process is safer and more convenient.

Drawings

FIG. 1 is a perspective view of a first embodiment of the present utility model;

FIG. 2 is an exploded view of a first embodiment of the present utility model;

FIG. 3 is a schematic view illustrating a usage state of a first embodiment of the present utility model;

FIG. 4 is a schematic view illustrating a folding process according to a first embodiment of the present utility model;

FIG. 5 is a schematic view illustrating a folded state of the first embodiment of the present utility model;

FIG. 6 is a perspective view of a second embodiment of the present utility model;

FIG. 7 is an exploded view of a second embodiment of the present utility model;

Reference numerals illustrate:

1- - -a column; 11- - -a second arcuate aperture;

2- - -a rotation axis; 21- - -a positioning hole;

3-limit ornaments; 31-a plug; 32- - -a handle;

4- - -an elastic member;

5- - -an armrest; 51— a latch securing hole;

6- - -a fixed plate; 61-a first arcuate slot; 62- - -a limit column;

7- - -a limiting plate; 71- - -a second arcuate slot; 72- -an angle adjustment aperture;

8- - -a movable plate; 81- - -a first arcuate aperture; 82- - -notch;

9- - -a marble pin.

Detailed Description

In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Accordingly, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the inventive product is used, or the orientation or positional relationship conventionally understood by those skilled in the art, is merely for convenience in describing the embodiments of the present utility model, and is not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Referring to fig. 1 to 7, the utility model discloses a folding structure of a handrail of a running machine, which comprises a stand column 1, a rotating shaft 2, a limiting swing piece 3, an elastic piece 4 and a handrail 5;

The rotating shaft 2 is in rotating fit with the upper end of the upright post 1, and the peripheral surface of the end part of the rotating shaft is provided with at least one positioning hole 21;

The middle section of the limiting ornament 3 is in rotary fit with the upper end of the upright post 1, the upper end of the limiting ornament is in movable fit with the peripheral surface of the rotating shaft 2, and a bolt 31 which is movably embedded in the positioning hole 21 is arranged; the lower end of the limiting swing part 3 is provided with a handle 32 for operating the swing limiting swing part 3;

The elastic piece 4 is arranged on the upright post 1 and connected with the limiting swinging piece 3, and is used for providing elastic force to enable the upper end of the limiting swinging piece 3 to abut against the peripheral surface of the rotating shaft 2, and when the bolt 31 is aligned with the positioning hole 21, the bolt 31 is embedded into the positioning hole 21;

The end of the armrest 5 is coaxially connected with the rotating shaft 2 to realize synchronous rotation with the rotating shaft 2.

Referring to fig. 1 to 5, a first embodiment of the present utility model is shown.

In this embodiment, two positioning holes 21 are provided on the circumferential surface of the rotating shaft 2, and the two positioning holes 21 respectively correspond to the use state and the folding state of the armrest 5; when the bolt 31 is inserted into the positioning hole 21 corresponding to the use state, the handrail 5 cannot rotate relative to the upright post 1, so that the use safety of the running machine is ensured; when the latch 31 is inserted into the positioning hole 21 corresponding to the folded state, the handrail 5 cannot rotate relative to the upright 1, and at this time, the handrail 5 and the upright 1 are generally in the same straight line, and the handrail 5 cannot shake in the folded state, so as to avoid frequent impact on the base of the running machine. Of course, more than two positioning holes 21 may be designed, and a plurality of positioning holes 21 may be configured in the use state in addition to the adjustment to the folded state, so that the armrest 5 may have various angles to be adjusted.

The upper end of the upright post 1 is fixedly connected with a fixing plate 6 by means of screw locking, welding and the like; the fixed plate 6 is provided with a first arc-shaped groove 61 with an upward opening, the end part of the rotating shaft 2 is matched in the first arc-shaped groove 61 and is limited by a limiting plate 7 with a second arc-shaped groove 71 with a downward opening, and the limiting plate 7 is fixed on the side surface of the fixed plate 6 in a screw locking mode.

Further, the end of the rotating shaft 2 is coaxially connected with a movable plate 8, and the movable plate 8 and the limiting plate 7 are clamped on two sides of the fixed plate 6; the fly leaf 8 is provided with the first arc hole 81 that sets up with pivot 2 coaxial, and the surface of fixed plate 6 is provided with the spacing post 62 that penetrates first arc hole 81, and spacing post 62 is along with the rotation clearance fit of pivot 2 between the both ends in first arc hole 81 for the rotation angle of restriction pivot 2, convenience of customers operation can one step be put in place when adjusting the angle of handrail 5 between user state, the folding state.

Secondly, the peripheral surface of the first arc hole 81 is provided with a notch 82 communicated to the edge of the movable plate 8, so that the movable plate 8 and the fixed plate 6 can be assembled conveniently, the movable plate 8 can be assembled with the fixed plate 6 in a radial clamping manner after being assembled with the rotating shaft 2, and the rotating shaft 2 is synchronously matched with the first arc groove 61 of the fixed plate 6 in the assembling process.

The upright column 1 is a hollow pipe fitting; the limiting swing piece 3 is arranged in the upper end of the upright post 1, the middle section of the limiting swing piece is rotationally connected with the inner wall of the upright post 1, a second arc-shaped hole 11 is formed in the position of the upright post 1 corresponding to the handle 32, and the handle 32 penetrates out of the second arc-shaped hole 11 so that the end part of the limiting swing piece is exposed on the surface of the upright post 1 to facilitate operation; the elastic piece 4 is a tension spring, two ends of the tension spring are respectively connected with the upright post 1 and the limiting swinging piece 3, and a connecting point of the elastic piece 4 and the limiting swinging piece 3 is positioned between the upper end and the middle section of the limiting swinging piece 3. The limiting swinging piece 3 is designed in the upright post 1, so that the limiting swinging piece 3 can be prevented from being exposed, no accessory is arranged on the surface of the upright post 1, flatness is guaranteed, and unexpected collision conditions can be reduced.

The shaft 2 is a hollow pipe fitting meeting the requirement of use strength, and the inside of the shaft is used for wiring the running machine electronic instrument.

Referring to fig. 3 to 5, the working principle of the present utility model is as follows:

Referring to fig. 3, in a use state, the upper end of the limit swinging part 3 abuts against the peripheral surface of the rotating shaft 2 under the elastic force of the elastic part 4, and the bolt 31 is inserted into the positioning hole 21 corresponding to the use state, so that the armrest 5 and the upright 1 keep fixed in angle;

Referring to fig. 4, when the armrest 5 needs to be folded, a user rotates the angle of the limiting swing piece 3 at the lower end of the limiting swing piece 3 through the handle 32, so that the bolt 31 is separated from the positioning hole 21, at this time, the rotation restriction of the rotating shaft 2 is released, and the angle of the armrest 5 relative to the upright 1 can be adjusted;

Referring to fig. 5, after the latch 31 is separated from the positioning hole 21, the user can swing the armrest 5 up to a state of being collinear with the upright 1, in the swing process, the handle 32 can be released, and under the elastic force of the elastic member 4, the limiting swinging member 3 is reset, so that the latch 31 is finally inserted into the positioning hole 21 corresponding to the folded state.

Referring to fig. 6 and 7, a second embodiment of the present utility model is shown.

The second embodiment further comprises, on the basis of the first embodiment, a marble pin 9; the limiting plate 7 is provided with a plurality of angle adjusting holes 72 at the periphery of the second arc-shaped groove 71; the end part of the armrest 5 connected with the rotating shaft 2 is provided with a bolt fixing hole 51; the marble bolt 9 is disposed in the bolt fixing hole 51 and movably penetrates through an angle adjusting hole 72 along with the angle adjustment of the armrest 5, so as to fix the relative angle between the armrest 5 and the upright 1. The angle adjusting hole 72 may further include an angle corresponding to the above-mentioned use state and folding state, so that the marble pin 9 may assist in fixing the armrest 5, thereby improving structural stability.

Through the scheme, the limit swinging piece 3 which is easy to operate is designed to limit the rotation of the rotating shaft 2 relative to the upright post 1, so that the relative angle between the handrail 5 and the upright post 1 is controllably limited, when a user applies force to the handle 32 of the limit swinging piece 3, the bolt 31 of the limit swinging piece 3 can be separated from the positioning hole 21 of the rotating shaft 2, the handrail 5 can rotate relative to the upright post 1, the relative angle is adjusted, the folding is completed, and the operation process is safer and more convenient.

The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.

Claims (6)

1. A folding structure of a running machine armrest, which is characterized in that:

Comprises a column, a rotating shaft, a limiting swinging piece, an elastic piece and an armrest; the rotating shaft is in rotating fit with the upper end position of the upright post, and the peripheral surface of the end part of the rotating shaft is provided with at least one positioning hole; the middle section of the limiting swing piece is in running fit with the upper end of the upright post, the upper end of the limiting swing piece is in movable fit with the peripheral surface of the rotating shaft, and a bolt which is movably embedded in the positioning hole is arranged; the lower end of the limiting swinging part is provided with a handle for operating and swinging the limiting swinging part; the elastic piece is arranged on the upright post and connected with the limiting swinging piece, so that the upper end of the limiting swinging piece is abutted against the peripheral surface of the rotating shaft; the end part of the handrail is coaxially connected with the rotating shaft.

2. The treadmill handrail folding structure of claim 1, wherein:

The upper end of the upright post is fixedly connected with a fixing plate; the fixed plate is provided with a first arc-shaped groove with an upward opening, the end part of the rotating shaft is matched in the first arc-shaped groove and is limited by a limiting plate with a second arc-shaped groove with a downward opening, and the limiting plate is fixed on the side face of the fixed plate.

3. The treadmill handrail folding structure of claim 2, wherein:

The end part of the rotating shaft is coaxially connected with a movable plate, and the movable plate and the limiting plate are clamped on two sides of the fixed plate; the movable plate is provided with a first arc hole coaxially arranged with the rotating shaft, a limiting column penetrating into the first arc hole is arranged on the surface of the fixed plate, and the limiting column is movably matched between two ends of the first arc hole along with rotation of the rotating shaft.

4. The treadmill handrail folding structure of claim 3, wherein:

the periphery of the first arc-shaped hole is provided with a notch communicated to the edge of the movable plate.

5. The treadmill handrail folding structure of claim 2, wherein:

The ball bolt is also included; the limiting plate is provided with a plurality of angle adjusting holes at the periphery of the second arc-shaped groove; the end part of the handrail connected with the rotating shaft is provided with a bolt fixing hole; the ball bolt is arranged in the bolt fixing hole and movably penetrates through an angle adjusting hole of the armrest along with the angle adjustment of the armrest.

6. The treadmill handrail folding structure of claim 1, wherein:

The upright post is a hollow pipe fitting; the limiting swing piece is arranged in the upper end of the upright post, the middle section of the limiting swing piece is rotationally connected with the inner wall of the upright post, a second arc-shaped hole is formed in the position, corresponding to the handle, of the upright post, and the handle penetrates out of the second arc-shaped hole; the elastic piece is a tension spring, two ends of the elastic piece are respectively connected with the upright post and the limiting swinging piece, and a connecting point of the elastic piece and the limiting swinging piece is positioned between the upper end and the middle section of the limiting swinging piece.