CN212466964U

CN212466964U - Handrail folding mechanism of treadmill

Info

Publication number: CN212466964U
Application number: CN201921955701.5U
Authority: CN
Inventors: 杨洪燕
Original assignee: Yongkang Junzhijian Sport Equipment Co ltd
Current assignee: Yongkang Junzhijian Sport Equipment Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2021-02-05
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to a body-building apparatus field, especially a handrail folding mechanism of treadmill. This handrail folding mechanism of treadmill includes: the hinge shafts are respectively fixed on two side edges of the running platform, and are provided with unfolding positioning holes and folding positioning holes; the positioning shaft is positioned in the handrail and is matched with the unfolding positioning hole or the folding positioning hole to keep the handrail at the unfolding position or the folding position; and the driving device is fixed on the handrail and is used for driving the positioning shaft to be separated from the unfolding positioning hole or the folding positioning hole so that the handrail can rotate to the folding position or the unfolding position. The utility model discloses a handrail folding mechanism only needs to rotate twist grip and can rotate the handrail from the expansion position to with the folding position of running the platform laminating, simple structure, convenient operation.

Description

Handrail folding mechanism of treadmill

Technical Field

The utility model relates to a body-building apparatus field, especially a handrail folding mechanism of treadmill.

Background

With the continuous improvement of the living standard of people, the pursuit of people for the health is increasingly intensified. The treadmill is more and more gaining favor of people as a common and practical fitness equipment. The existing running machine generally adopts a folding structure when being assembled and used so as to be convenient for transportation, use and placement, but at present, due to the problems of a folding mode and a running machine handrail, the folding mode is not beneficial to placement and packaging, so that the inconvenience of transportation and movement is caused.

In addition, the handrail of the treadmill is important for the safety of the treadmill, is convenient to install and disassemble without the handrail, and does not meet the requirement of safety regulations, so the handrail of the treadmill must be arranged for protecting the safety of users.

In the prior art, some foldable handrail structures have been developed in the technical field of treadmills, but the following problems still exist:

first, beta structure is comparatively complicated, and the installation of unpacking is comparatively loaded down with trivial details, after the equipment of wasting time and energy is accomplished, when needing the joint sealing transportation, expends energy more.

Secondly, the folding mode is clumsy, two handrails need to be folded one by one, the two handrails cannot be folded synchronously, and the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems, the utility model aims to provide a handrail folding mechanism of treadmill, simple structure, the operation of being convenient for can the joint sealing transportation after folding.

In order to achieve the above advantages, the utility model provides a handrail folding mechanism of treadmill for making handrail (200) of this treadmill can rotate the folding position of laminating with running platform (100) of this treadmill from the expansion position, this handrail folding mechanism includes:

the hinge shafts (1) are respectively fixed on two side edges of the running platform (100), and the handrails (200) are rotatably connected with the running platform (100) through the hinge shafts (1); an unfolding positioning hole (11) and a folding positioning hole (12) are formed in the hinge shaft (1);

a positioning shaft (2) positioned in the armrest (200), wherein the positioning shaft (2) is matched with the unfolding positioning hole (11) or the folding positioning hole (12) to keep the armrest (200) at the unfolding position or the folding position;

and the driving device (3) is fixed on the handrail (200), and the driving device (3) is used for driving the positioning shaft (2) to be disengaged from the unfolding positioning hole (11) or the folding positioning hole (12) so that the handrail (200) can rotate to the folding position or the unfolding position.

In one embodiment of the present invention, the handrail (200) comprises a pair of vertical rods (201) and a holding rod (202) located between the upper ends of the vertical rods (201).

In an embodiment of the present invention, the vertical rod (201) is a tubular structure with a rectangular cross section, and the width of the vertical rod (201) perpendicular to the axial direction of the hinge shaft (1) is greater than the width of the vertical rod (201) along the axial direction of the hinge shaft (1).

In an embodiment of the utility model, the tip is fixed with location pedestal (4) under pole setting (201), and this location pedestal (4) include support body (41) and be located body (42) at support body (41) center, location axle (2) hold in body (42), body (42) are used for keeping location axle (2) axial motion.

In one embodiment of the invention, an elastic holding piece (t) for keeping the positioning shaft (2) partially clamped into the unfolding positioning hole (11) or the folding positioning hole (12) is arranged between the tube body (42) and the positioning shaft (2).

In an embodiment of the utility model, drive arrangement (3) are fixed in respectively hold pole (202) both ends, and this drive arrangement (3) include stay cord (31), drive twist grip (32) of this stay cord (31), the one end of stay cord (31) is connected the tip of location axle (2), the other end is connected twist grip (32) rotates twist grip (32) makes stay cord (31) pulling location axle (2) shifts up and makes it break away from expand locating hole (11) or folding locating hole (12).

In an embodiment of the utility model, the holding rod (202) both ends are fixed with spacing pipe (203) that have spacing groove (203 a) respectively, twist grip (32) are fixed with connecting pipe (321) that have spacing post (321 a), spacing post (321 a) are connected stay cord (31), spacing post (321 a) with spacing groove (203 a) cooperation restriction the rotation range of twist grip (32).

In one embodiment of the present invention, the holding rod (202) has two ends connected to the transmission rods (202 a) of the connecting pipes (321), and the rotation of the rotating handle (32) is synchronized by the transmission rods (202 a).

In an embodiment of the utility model, the outer cover of the hinge shaft (1) is provided with a rotating sleeve (13) for reducing friction between the hinge shaft (1) and the upright rod (201).

In one embodiment of the present invention, a plastic sheath (204) is fixed to the upper and lower ends of the vertical rod (201).

The utility model discloses in, the treadmill has set up the handrail folding mechanism of novel structure, makes the handrail can follow the expansion position and rotate folding position, when needs are transported, with the handrail folding can the joint sealing, need not to dismantle handrail, simple structure, convenient operation.

The utility model discloses in, whether the dynamics when the twist grip of rotation both sides is the same whether having the transfer line in holding the pole, the twist grip that the homoenergetic guaranteed both sides rotates in step, makes the location axle of both sides break away from in step and expandes locating hole or folding locating hole, and the pole is held in rethread promotion, makes the pole setting of both sides remain the motion unanimity throughout.

The utility model discloses in, the hank axle has set up and has expanded locating hole, folding locating hole, and the locating shaft keeps the handrail to be in expansion position or folding position with expansion locating hole or folding locating hole cooperation, and when being in expansion position, the handrail pressurized can not make the handrail fold yet, when being in folding position, also can not expand at will, and user safety in utilization can be high.

Drawings

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

Fig. 2 is an exploded view of the treadmill of fig. 1.

Fig. 3 is an enlarged view of fig. 2 at E.

Fig. 4 is an exploded view of the armrest and armrest folding mechanism of the treadmill of fig. 2.

Fig. 5 is an enlarged view of fig. 4 at a.

Fig. 6 is an enlarged view of fig. 4 at B.

Fig. 7 is a cross-sectional view of the arm rest and arm rest folding mechanism of the treadmill of fig. 4.

Fig. 8 is an enlarged view of fig. 7 at C.

Fig. 9 is an enlarged view of fig. 7 at D.

Fig. 10 is a schematic view illustrating the structure of the positioning shaft and the hinge shaft of the handrail folding mechanism of the treadmill of fig. 2.

Fig. 11 is a schematic view showing the positioning shaft of the armrest folding mechanism of fig. 4.

Fig. 12 is a schematic structural view of a positioning shaft bracket of the armrest folding mechanism of fig. 4.

Fig. 13 is a cross-sectional view of a positioning pedestal of the armrest folding mechanism of fig. 12.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments in order to provide the best mode, structure, features and effects according to the present invention.

Referring to fig. 1-2, the handrail folding mechanism of a treadmill according to a first embodiment of the present invention includes a running platform 100 and a handrail 200 rotatably connected to the running platform 100. The armrest folding mechanism is used to allow the armrest 200 to rotate from the unfolded position to the folded position in which it fits the treadmill 100.

The armrest 200 includes a pair of uprights 201 and a gripping bar 202 located between the upper ends of the pair of uprights 201. The upright 201 is a tubular structure with a rectangular cross section, and the width of the upright 201 perpendicular to the axial direction of the hinge shaft 1 is larger than the width of the upright 201 along the axial direction of the hinge shaft 1.

The upper and lower ends of the vertical rod 201 are respectively fixed with a plastic sheath 204. The plastic sheath 204 is detachably connected and fixed with the upright 201. Specifically, the plastic sheath 204 includes a left shell 204a and a right shell 204b, and the left shell 204a and the right shell 204b are respectively wrapped on two sides of the vertical rod 201. The left shell 204a and the right shell 204b are respectively connected and fixed with two sides of the upright 201 through screws.

Referring to fig. 3-10, the armrest folding mechanism includes: the device comprises a hinge shaft 1, a positioning shaft 2, a driving device 3 and a positioning shaft frame 4. The hinge shafts 1 are respectively fixed on both sides of the running platform 100, and the handrail 200 is rotatably connected with the running platform 100 through the hinge shafts 1. The positioning shaft 2 is located in the armrest 200. The driving device 3 is fixed to the handrail 200. The positioning shaft bracket 4 is fixed at the lower end of the upright 201.

The hinge shaft 1 is provided with an unfolding positioning hole 11 and a folding positioning hole 12. The positioning shaft 2 cooperates with the unfolding positioning hole 11 or the folding positioning hole 12 to hold the armrest 200 in the unfolded position or the folded position.

Referring to fig. 11, the positioning shaft 2 further includes a connecting portion 21, a holding portion 22, and an engaging portion 23. The connecting portion 21, the holding portion 22, and the engaging portion 23 are all columnar structures. The connecting portion 21 is used to connect to one end of the cord 31. The outer diameter of the holding portion 22 is equal to or smaller than the inner diameter of the tube body 42, and the outer diameter of the holding portion 22 is larger than the inner diameter of the unfolding positioning hole 11 and/or the folding positioning hole 12. The section of the snap-in portion 23 is gradually reduced downward, the snap-in portion 23 has a guide surface 231, the guide surface 231 is a tapered surface, and the guide surface 231 facilitates the snap-in portion 23 to enter the unfolding positioning hole 11 or the folding positioning hole 12.

Referring to fig. 10, a rotating sleeve 13 for reducing friction between the hinge shaft 1 and the upright 201 is sleeved outside the joint of the hinge shaft 1 and the upright 201. The rotating sleeve 13 is provided with a through hole 130 through which the catching portion 23 passes. Further, the hinge shaft 1 includes a fixing portion 14 and a sheathing portion 15, and the unfolding positioning hole 11 and the folding positioning hole 12 are disposed at a side surface of the sheathing portion 15. The radial dimension of the fixing portion 14 is larger than that of the sleeve portion 15. The cover 15 is provided with a snap spring groove 151 for mounting the snap spring 16. The rotating sleeve 13 is of a tubular structure. The rotating sleeve 13 is sleeved outside the sleeving part 15, and the rotating sleeve 13 is limited to move along the axial direction of the hinge shaft 1 by the clamp spring 16.

In other embodiments of the present invention, the rotating sleeve 13 may be a bearing.

The driving device 3 is used for driving the clamping part 23 of the positioning shaft 2 to be separated from the unfolding positioning hole 11 or the folding positioning hole 12 so that the handrail 200 can rotate to the folding position or the unfolding position. The driving devices 3 are respectively fixed at both ends of the holding rod 202.

The driving device 3 comprises a pull rope 31 and a rotating handle 32 for driving the pull rope 31, wherein one end of the pull rope 31 is connected with the end part of the positioning shaft 2, the other end of the pull rope 31 is connected with the rotating handle 32, and the rotating handle 32 is rotated to enable the pull rope 31 to pull the positioning shaft 2 to move upwards to enable the positioning shaft to be separated from the unfolding positioning hole 11 or the folding positioning hole 12. Further, the pulling rope 31 is made of a metal material.

The holding rod 202 has two ends respectively fixed with a limit tube 203 having a limit groove 203a, the rotating handle 32 is fixed with a connecting tube 321 having a limit post 321a, the limit post 321a is connected with the pulling rope 31, and the limit post 321a cooperates with the limit groove 203a to limit the rotating range of the rotating handle 32.

The grip lever 202 has a transmission rod 202a having both ends connected to the connection pipe 321, respectively, and the rotation of the rotary handles 32 at both ends is synchronized by the transmission rod 202 a.

Referring to fig. 12-13, the positioning pedestal 4 is located within the upright 201. The positioning shaft bracket 4 comprises a bracket body 41 and a pipe body 42 positioned in the center of the bracket body 41, the positioning shaft 2 is accommodated in the pipe body 42, and the pipe body 42 is used for keeping the positioning shaft 2 to move axially. The frame body 41 is provided with a card and part 411, the upright rod 201 is provided with a matching part 201a matched with the card and part 411, and the frame body 41 and the upright rod 201 are matched with each other through the card and part 411 and the matching part 201a to realize card and fixed connection. In other embodiments of the present invention, the frame body 41 and the vertical rod 201 can be fixed by screws.

An elastic retainer t for retaining the snap-in portion 23 snapped into the unfolding positioning hole 11 or the folding positioning hole 12 is provided between the tube body 42 and the positioning shaft 2. The tube body 42 is provided with an abutment ring 421 and a guide slope 422. One end of the elastic retaining piece t is sleeved outside the connecting portion 21 and the end abuts against the end surface of the retaining portion 22, and the other end abuts against the end surface of the ring 421. The pulling rope 31 passes through the abutting ring 421 and is connected to the connecting portion 21. The guide slope 422 is used to guide the positioning shaft 2 into the tube body 42. Preferably, the elastic holding portion t is a compression spring.

The working principle of the handrail folding mechanism of the treadmill is as follows:

when the handrail is rotated to the folding position, the clamping parts correspond to the folding positioning holes, and the clamping parts are clamped into the folding positioning holes under the action of the compression springs.

When the handrail rotates to the unfolding position, the clamping portion corresponds to the unfolding positioning hole, and the clamping portion is clamped into the unfolding positioning hole under the action force of the compression spring.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the above embodiments without departing from the scope of the present invention, but all the modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are within the scope of the present invention.

Claims

1. An armrest folding mechanism for a treadmill for allowing an armrest (200) of the treadmill to pivot from an extended position to a folded position in which it conforms to a deck (100) of the treadmill, the armrest folding mechanism comprising:

2. The handrail folding mechanism of a treadmill according to claim 1, wherein the handrail (200) comprises a pair of uprights (201) and a gripping bar (202) between the upper ends of the pair of uprights (201).

3. The handrail folding mechanism of a treadmill according to claim 2, wherein the upright (201) is a tubular structure with a rectangular cross section, and the width of the upright (201) perpendicular to the axial direction of the spindle (1) is larger than the width of the upright (201) along the axial direction of the spindle (1).

4. The handrail folding mechanism of a treadmill according to claim 2, characterized in that a positioning shaft bracket (4) is fixed at the lower end of the upright rod (201), the positioning shaft bracket (4) comprises a bracket body (41) and a tube body (42) positioned at the center of the bracket body (41), the positioning shaft (2) is accommodated in the tube body (42), and the tube body (42) is used for keeping the positioning shaft (2) moving axially.

5. The handrail folding mechanism of a treadmill according to claim 4, characterized in that between the tubular body (42) and the positioning shaft (2) there is an elastic holder (t) for keeping the positioning shaft (2) partly snapped into the unfolding positioning hole (11) or the folding positioning hole (12).

6. The handrail folding mechanism of a treadmill according to claim 2, wherein the driving device (3) is fixed at both ends of the holding rod (202), the driving device (3) comprises a pulling rope (31) and a rotating handle (32) for driving the pulling rope (31), one end of the pulling rope (31) is connected with the end of the positioning shaft (2), the other end of the pulling rope is connected with the rotating handle (32), and the rotating handle (32) is rotated to make the pulling rope (31) pull the positioning shaft (2) to move upwards to separate from the unfolding positioning hole (11) or the folding positioning hole (12).

7. The handrail folding mechanism of a treadmill according to claim 6, wherein a limit tube (203) having a limit groove (203 a) is fixed at each end of the holding rod (202), a connecting tube (321) having a limit post (321 a) is fixed on the rotation handle (32), the limit post (321 a) is connected with the pull rope (31), and the limit post (321 a) cooperates with the limit groove (203 a) to limit the rotation range of the rotation handle (32).

8. The handrail folding mechanism of a treadmill according to claim 7, wherein the holding rod (202) has a transmission rod (202 a) connected at both ends thereof to the connection pipe (321), respectively, and the rotation of the swing handles (32) at both ends is synchronized by the transmission rod (202 a).

9. Handrail folding mechanism for a treadmill according to claim 2, characterized in that the hinge shaft (1) is sheathed with a rotating sleeve (14) for reducing the friction between the hinge shaft (1) and the upright (201).

10. The handrail folding mechanism of a treadmill according to claim 2, wherein a plastic sheath (204) is fixed to the upper and lower ends of the upright (201).