CN210020973U

CN210020973U - Folding handrail structure of treadmill

Info

Publication number: CN210020973U
Application number: CN201920534621.6U
Authority: CN
Inventors: 刘德纯
Original assignee: XIAMEN K-STAR SPORTS CO LTD
Current assignee: XIAMEN K-STAR SPORTS CO LTD
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-02-07
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a treadmill folding handrail structure relates to treadmill technical field, has solved the complicated technical problem of beta structure. The handrail is provided with a limiting part for preventing the handrail from moving along the radial direction of the limiting shaft, and when the positioning pin is abutted against the upper end of the limiting part, the handrail is in an unfolded state; the utility model has the advantages of simple structure.

Description

Folding handrail structure of treadmill

Technical Field

The utility model relates to a treadmill technical field, more specifically say, it relates to a treadmill folding handrail structure.

Background

Along with the continuous improvement of the living standard of the whole people, the body building is more and more favored by people. The treadmill has positive influence on human health, is more obvious in preventing obesity and reshaping, and is popular among people because the treadmill enters every family. The handrail of treadmill under prior art all adopts the handrail of integral type, settles on the gauge outfit stand, and the length of handrail is fixed length, can't adjust. Therefore, the inclination angle of the folded running machine is too small, the floor area is increased, and great influence is brought to the families with the existing short housing area.

Chinese patent with application publication No. CN109200533A discloses a treadmill folding handrail structure, its technical essential includes that stand and cover locate the handrail on the stand outer wall, still including setting up the locating hole on the stand, be fixed in the inside guide shaft cover of handrail, peg graft the locating pin in the guide shaft cover, the spring and one end that the cover was located on the locating pin outer wall wear out the outer one end rotation of guide shaft cover to be connected and the outer pull rod of lower extreme extension handrail with the locating pin, the one end that the locating pin is close to the stand is provided with the joint, the inside shoulder hole form that is of guide shaft cover sets up, the both ends of spring respectively with the inside and joint butt of guide shaft cover.

In the prior art, similar to the above folding handrail structure, the folding function of the handrail is realized through the clamping relationship among the pull rod, the spring, the positioning pin and the upright post; however, such a folding structure is complicated and the production cost is high, and thus improvement is required.

SUMMERY OF THE UTILITY MODEL

To the technical problem at present, an object of the utility model is to provide a treadmill folding handrail structure, it has simple structure's advantage.

In order to achieve the above purpose, the utility model provides a following technical scheme: including stand and handrail, be provided with the outer spacing axle of stand side of stretching out on the stand, the handrail rotates with spacing axle to be connected, be provided with outside bellied spacing portion on the outer wall of spacing axle, be provided with the locating pin that stretches out outside the handrail on the handrail, the outer wall laminating of locating pin and spacing axle, be provided with on the handrail and be used for preventing that the handrail from following spacing axle radial movement's locating part, when the upper end butt of locating pin and spacing portion, the handrail is in the expansion state.

By adopting the technical scheme, the handrail can be unfolded or folded as required by utilizing the rotary connection between the handrail and the limiting shaft, the unfolded state of the handrail is supported and limited by utilizing the clamping relation between the limiting part and the positioning pin, so that the handrail cannot rotate downwards when a user presses the handrail in the unfolded state forcibly, the use safety of the handrail is effectively ensured, when the handrail needs to be folded, the user only needs to turn the handrail upwards to enable the positioning pin to slide along the outer wall of the limiting shaft, the handrail can be folded reversely to complete the folding work of the handrail, and meanwhile, the limiting part is utilized to prevent the handrail from being separated from the limiting shaft accidentally; the folding structure has the advantages of fewer parts, simple structure, convenience in implementation and lower cost, and the connecting structure is also in common welding and rotating connection.

The utility model discloses further set up to: the spacing shaft comprises a fixing shaft penetrating through the stand column and a spacing disc fixed on the fixing shaft and coaxial with the fixing shaft, and the spacing part is arranged on the outer wall of the spacing disc.

By adopting the technical scheme, the limiting shaft is divided into the fixing shaft and the limiting disc to be separately produced, the limiting disc can be universal, the length of the fixing shaft can be produced according to running machines of different models, and then the fixing shaft and the limiting disc are fixed together, so that the application range of the folding structure is effectively enlarged.

The utility model discloses further set up to: one end of the fixed shaft, which is far away from the handrail, penetrates through the left side and the right side of the upright post, and the outer wall of the fixed shaft and the joint part of the end faces at the two ends of the fixed shaft are arranged in a reverse right angle mode.

Through adopting above-mentioned technical scheme, current stand generally can set to hollow in order to save cost and weight reduction, and the wearing to establish between fixed axle and the stand and be connected for two points between messenger's fixed axle and the stand, connect more stably, firm, set up the effect that the chamfer portion on the fixed axle all had the direction, the stand is worn to establish to the fixed axle of being convenient for.

The utility model discloses further set up to: the one end that the fixed axle is close to the handrail is provided with the connecting axle that sets up with the fixed axle coaxial line and the external diameter is less than the fixed axle external diameter, spacing dish cover is established and is fixed on the outer wall of connecting axle.

Through adopting above-mentioned technical scheme, can restrict the mounted position of spacing dish through the cooperation between fixed axle and the connecting axle, simply realize the location installation of spacing dish.

The utility model discloses further set up to: the left and right sides of handrail is worn to establish by the locating pin, the equal chamfer angle setting in position of the outer wall of locating pin and locating pin both ends terminal surface handing-over.

Through adopting above-mentioned technical scheme, current handrail generally can set to hollow in order to save cost and weight reduction, and the wearing to establish between locating pin and the handrail is connected for two points between messenger's fixed axle and the stand, connects more stably, firm, sets up the effect that the chamfer portion on the locating pin all has the direction, and the stand is worn to establish to the fixed axle of being convenient for.

The utility model discloses further set up to: the upper end of the limiting portion is in an arc concave shape, and when the handrail is in an unfolded state, the upper end of the limiting portion is provided with an arc concave surface which is attached to the outer wall of the positioning pin.

Through adopting above-mentioned technical scheme, set up the arc inner concave surface in spacing portion and can increase the area of contact of spacing portion and locating pin for it is more stable when butt between locating pin and the spacing portion.

The utility model discloses further set up to: the handrail is internally fixed with a connecting sleeve, the connecting shaft penetrates through the connecting sleeve, and the outer wall of the connecting sleeve is arranged in a reverse right angle with the joint part of the end faces of the two ends of the connecting sleeve.

Through adopting above-mentioned technical scheme, can realize the rotation connected relation between handrail and the spacing axle through the cooperation between connecting sleeve and the connecting axle, and can increase the area of contact of connecting axle and handrail through connecting sleeve for the rotation connected relation between handrail and the spacing axle is more stable.

The utility model discloses further set up to: the handle is characterized in that a first threaded hole coaxial with the fixed shaft is formed in the fixed shaft, the handrail is sleeved on the outer wall of the connecting shaft, and the limiting part is a first bolt which is inserted into the handrail and is in threaded connection with the first threaded hole.

By adopting the technical scheme, the effect of preventing the handrail from moving along the radial direction of the fixed shaft can be achieved through the matching between the bolt body of the first bolt and the first threaded hole arranged on the fixed shaft and the matching between the nut of the first bolt and the handrail.

The utility model discloses further set up to: the handrail is kept away from the one end of fixed axle and is provided with the threaded rod that sets up with the connecting axle coaxial line, the locating part sets up to the nut with threaded rod threaded connection.

Through adopting above-mentioned technical scheme, can reach the effect that prevents handrail along fixed axle radial movement through the cooperation between nut and the threaded rod that sets up on the fixed axle and the cooperation between nut and the handrail.

The utility model discloses further set up to: the limiting part comprises a fixing sleeve fixed in the handrail and a second bolt inserted in the fixing sleeve, a connecting part inserted in the fixing shaft is arranged at one end, close to the stand column, of the fixing sleeve, a second threaded hole is formed in the fixing shaft, and a bolt body of the second bolt is in threaded connection with the second threaded hole.

Through adopting above-mentioned technical scheme, can reach the effect that prevents handrail along fixed axle radial movement through rotating axle sleeve, second bolt and setting up the cooperation between the second screw hole on the fixed axle, can realize the rotation relation of being connected between handrail and the spacing axle simultaneously.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the number of used parts is small, and most of the parts are shaft products, so that the structure is simple, the cost is low, and the production and implementation are convenient;

(2) is suitable for most of the treadmills, has wide application range and great popularization value.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is an exploded view of the first embodiment;

FIG. 3 is a schematic structural diagram of a limiting shaft according to the present embodiment;

FIG. 4 is a schematic structural view of a positioning pin according to the present embodiment;

fig. 5 is a schematic structural diagram of a limiting member according to the present embodiment;

FIG. 6 is a schematic structural diagram of two limiting members according to the present embodiment;

fig. 7 is a schematic structural diagram of three limiting members according to the present embodiment.

Reference numerals: 1. a column; 2. a handrail; 21. a connecting sleeve; 22. fixing the sleeve; 221. a connecting portion; 3. a limiting shaft; 31. a fixed shaft; 311. a connecting shaft; 312. a first threaded hole; 313. a threaded rod; 314. a second threaded hole; 315. mounting holes; 32. a limiting disc; 321. a limiting part; 4. positioning pins; 5. a limiting member; 51. a first bolt; 52. a gasket; 53. a nut; 54. and a second bolt.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

In a first embodiment, a folding handrail structure of a treadmill, as shown in fig. 1 and 2, includes an upright post 1 for supporting, a limiting shaft 3 fixed on the upright post 1 and having one end extending out of a side edge of the upright post 1, a handrail 2 disposed on any side of the upright post 1 and rotatably connected to the limiting shaft 3, a positioning pin 4 fixed on the handrail 2 and capable of being in clamping connection with the limiting shaft 3 when the handrail 2 is in an unfolded state, and a limiting member 5 disposed on a side of the handrail 2 away from the upright post 1 for preventing the handrail 2 from moving along a radial direction of the limiting shaft 3; wherein, handrail 2 can be dismantled with spacing axle 3 and be connected, and locating part 5 can be dismantled with handrail 2 and be connected.

Referring to fig. 2 and 3, the limiting shaft 3 includes a fixing shaft 31 penetrating through the left and right sides of the upright 1 and a limiting disc 32 fixedly mounted on the fixing shaft 31 and coaxially disposed with the fixing shaft 31, a limiting portion 321 protruding outward is disposed on the outer wall of the limiting disc 32, and when the armrest 2 is in the unfolded state, the positioning pin 4 abuts against the upper end of the limiting portion 321; the outer wall of the fixed shaft 31 is disposed at a right angle with the joint of the end faces of the two ends of the fixed shaft 31.

Wherein, a connecting shaft 311 which is integrally formed with the fixed shaft 31 and is coaxially arranged with the fixed shaft 31 is arranged at one end of the fixed shaft 31 close to the limiting disc 32, the outer diameter of the connecting shaft 311 is smaller than that of the fixed shaft 31, the limiting disc 32 is sleeved on the outer wall of the connecting shaft 311, and one surface of the limiting disc 32 close to the upright post 1 is attached to the end surface of the fixed shaft 31.

Wherein, the both ends of spacing portion 321 all are the concave setting of arc, set up the concave surface in the arc on spacing portion 321 both ends and can closely laminate with the outer wall of locating pin 4.

As shown in fig. 2 and 4, the positioning pin 4 penetrates through the left side and the right side of the handrail 2, and the joint positions of the outer wall of the positioning pin 4 and the end surfaces of the two ends of the positioning pin 4 are arranged in a reverse right angle; the distance between the axis of the positioning pin 4 and the axis of the fixed shaft 31 is slightly larger than the sum of the radius of the positioning pin 4 and the radius of the fixed shaft 31.

As shown in fig. 2 and 5, a connecting sleeve 21 sleeved on the outer wall of the connecting shaft 311 is fixed in the armrest 2, two ends of the connecting sleeve 21 are respectively inserted and fixed on the left and right sides of the armrest 2, and the joint of the outer wall of the connecting sleeve 21 and the end surfaces of the two ends of the connecting sleeve 21 is arranged in an inverted right angle.

The limiting member 5 is set as a first bolt 51, the first bolt 51 is set as an inner hexagon bolt, and a gasket 52 with an outer diameter larger than the inner diameter of the connecting sleeve 21 is sleeved on a bolt body of the first bolt 51; wherein, a first threaded hole 312 is provided on the fixed shaft 31, which is coaxial with the fixed shaft 31 and is in threaded connection with the bolt body of the first bolt 51, and the gasket 52 is located between the nut of the first bolt 51 and the side edge of the handrail 2.

Example two: as shown in fig. 6, the difference from the first embodiment is that the limiting member 5 is provided as a nut 53, and a spacer 52 having an outer diameter larger than the inner diameter of the connection sleeve 21 is provided between the nut 53 and the side surface of the armrest 2; wherein, a threaded rod 313 penetrating out of the handrail 2 and in threaded connection with the nut 53 is arranged at one end of the fixed shaft 31 far away from the connecting shaft 311, and the gasket 52 is sleeved between the threaded rods 313.

Example three: as shown in fig. 7, the difference from the first embodiment is that the connection sleeve 21 is not fixed in the armrest 2, the limiting member 5 in the third embodiment includes a fixed sleeve 22 fixed in the armrest 2 and a second bolt 54 inserted into the fixed sleeve 22, the second bolt 54 is a hexagon socket bolt, a mounting hole 315 communicating with an end surface of the connection shaft 311 is provided in the fixed shaft 31, a second threaded hole 314 communicating with the mounting hole 315 is further provided in the fixed shaft 31, a connecting portion 221 inserted into the mounting hole 315 is provided at one end of the fixed sleeve 22 close to the upright post 1, and a bolt body of the second bolt 54 penetrates through the fixed sleeve 22 and is in threaded connection with the second threaded hole 314; the body of the second bolt 54 is sleeved with a washer 52 between the nut of the second bolt 54 and the end of the fixing sleeve 22 away from the column 1.

The working process of the utility model is as follows:

when the handrail 2 needs to be folded, the handrail 2 only needs to be turned upwards, so that the positioning pin 4 fixed on the handrail 2 can move along the outer wall of the limiting disc 32, and finally the handrail 2 and the upright post 1 are in the same straight line; when the handrail 2 needs to be unfolded, the handrail 2 only needs to be turned over reversely, so that the positioning pin 4 fixed on the handrail 2 can abut against the limiting part 321 arranged on the limiting disc 32.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a folding handrail structure of treadmill, includes stand (1) and handrail (2), its characterized in that: be provided with on stand (1) and stretch out outer spacing axle (3) of stand (1) side, handrail (2) rotate with spacing axle (3) and are connected, be provided with outside bellied spacing portion (321) on the outer wall of spacing axle (3), be provided with on handrail (2) and stretch out outer locating pin (4) of handrail (2), locating pin (4) and the laminating of the outer wall of spacing axle (3), be provided with on handrail (2) and be used for preventing that handrail (2) from following spacing axle (3) radial movement's locating part (5), when locating pin (4) and the upper end butt of spacing portion (321), handrail (2) are in the state of expanding.

2. The folding handrail structure of a treadmill of claim 1, wherein: the limiting shaft (3) comprises a fixing shaft (31) penetrating through the upright column (1) and a limiting disc (32) fixed on the fixing shaft (31) and coaxial with the fixing shaft (31), and the limiting part (321) is arranged on the outer wall of the limiting disc (32).

3. A treadmill folding handrail construction as recited in claim 2, wherein: one end of the fixed shaft (31) far away from the handrail (2) penetrates through the left side and the right side of the upright post (1), and the joint part of the outer wall of the fixed shaft (31) and the end faces of the two ends of the fixed shaft (31) is arranged in a reverse right angle mode.

4. A treadmill folding handrail construction as recited in claim 2, wherein: one end of the fixed shaft (31) close to the handrail (2) is provided with a connecting shaft (311) which is coaxial with the fixed shaft (31) and has an outer diameter smaller than that of the fixed shaft (31), and the limiting disc (32) is sleeved and fixed on the outer wall of the connecting shaft (311).

5. The folding handrail structure of a treadmill of claim 1, wherein: the left and right sides of handrail (2) are worn to establish in locating pin (4), the equal chamfer angle setting in position of the outer wall of locating pin (4) and locating pin (4) both ends terminal surface handing-over.

6. The folding handrail structure of a treadmill of claim 1, wherein: the upper end of spacing portion (321) is the concave setting of arc, when handrail (2) are in the expansion state, set up in the concave surface in arc and the outer wall laminating of locating pin (4) of spacing portion (321) upper end.

7. The folding handrail structure of a treadmill of claim 4, wherein: the handrail (2) internal fixation has connecting sleeve (21), connecting axle (311) are worn to establish connecting sleeve (21), the position chamfer setting of the outer wall of connecting sleeve (21) and the handing-over of connecting sleeve (21) both ends terminal surface.

8. The folding handrail structure of a treadmill of claim 4, wherein: the fixed shaft (31) is provided with a first threaded hole (312) which is coaxial with the fixed shaft (31), the handrail (2) is sleeved on the outer wall of the connecting shaft (311), and the limiting piece (5) is a first bolt (51) which is inserted into the handrail (2) and is in threaded connection with the first threaded hole (312).

9. The folding handrail structure of a treadmill of claim 4, wherein: one end of the handrail (2) far away from the fixed shaft (31) is provided with a threaded rod (313) which is coaxially arranged with the connecting shaft (311), and the limiting piece (5) is arranged as a nut (53) which is in threaded connection with the threaded rod (313).

10. The folding handrail structure of a treadmill of claim 4, wherein: the limiting piece (5) comprises a fixing sleeve (22) fixed in the handrail (2) and a second bolt (54) inserted in the fixing sleeve (22), one end, close to the upright post (1), of the fixing sleeve (22) is provided with a connecting portion (221) inserted in the fixing shaft (31), a second threaded hole (314) is formed in the fixing shaft (31), and a bolt body of the second bolt (54) is in threaded connection with the second threaded hole (314).