Handrail and supporting leg linkage folding structure applied to folding treadmill

Abstract

The utility model discloses an armrest and landing leg linkage folding structure applied to a folding treadmill, which comprises a front support frame connected with a treadmill, an armrest component arranged above the front support frame, a landing leg component arranged below the front support frame, and a control component connected with the landing leg component. The control assembly comprises a first rotating shaft, a rotating shaft connecting rod and a second rotating shaft which are connected, the first rotating shaft is arranged at the top of the front supporting frame and connected with the armrest assembly, and the second rotating shaft is arranged at the bottom of the front supporting frame and connected with the supporting foot assembly. The handrail assembly can rotate relative to the stand column through the first rotating shaft and drive the second rotating shaft to rotate through the rotating shaft connecting rod, and then the supporting foot assembly is driven to rotate synchronously, so that the handrail assembly and the supporting foot assembly are switched between the folded state and the unfolded state synchronously. According to the structure, the armrest assembly and the supporting leg assembly are arranged in a linkage mode, storage and unfolding are more convenient and faster, and the occupied space of fitness equipment can be greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fitness equipment, especially a folding structure of handrail and supporting leg linkage applied to a folding treadmill. BACKGROUND

[0002] With the continuous improvement of living standards, people pay more and more attention to physical exercise, and running is the simplest and most effective fitness method, and the treadmill is more and more respected by people. In order to facilitate storage, some athletes will choose a foldable treadmill, which is folded for storage to save space.

[0003] However, the traditional folding treadmill generally only lifts the running platform upward for storage, and the space saved is limited. Even the existing folding treadmill with the front running platform and the rear running platform hinged, when folding, only the rear running platform is turned upward and covers the front running platform for folding and storage, and the space saved is not large enough, and the front running platform also occupies a large area. Some folding treadmills can fold the handrails and supporting legs, but the user needs to fold the handrails and supporting legs one by one, which is complicated and cannot meet the needs of the user. Therefore, the folding structure of handrail and supporting leg linkage applied to a folding treadmill is proposed to solve the above-mentioned problems of the folding process of the folding treadmill being complicated and not compact enough when folded. SUMMARY

[0004] The utility model provides a folding structure of handrail and supporting leg linkage applied to a folding treadmill, which has the effect of realizing quick and convenient folding and storage of the folding treadmill and compact folding state. The specific technical scheme is as follows:

[0005] A folding structure of handrail and supporting leg linkage applied to a folding treadmill, wherein the folding structure comprises a front support frame connected with a running platform, a handrail assembly is arranged above the front support frame, a supporting leg assembly is arranged below the front support frame, the handrail assembly is connected with the supporting leg assembly through a control assembly, the control assembly comprises a first rotating shaft, a rotating shaft connecting rod and a second rotating shaft connected with each other, the first rotating shaft is arranged at the top position of the front support frame and connected with the handrail assembly, the second rotating shaft is arranged at the bottom position of the front support frame and connected with the supporting leg assembly, the handrail assembly can rotate relative to the stand column through the first rotating shaft and drive the second rotating shaft to rotate through the rotating shaft connecting rod, and then drive the supporting leg assembly to rotate synchronously, so as to realize the synchronous switching of the handrail assembly and the supporting leg assembly between the storage state and the unfolded state.

[0006] Further, a self-locking assembly is arranged in the handrail assembly, which can lock the unfolded handrail assembly.

[0007] Further, the self-locking assembly comprises a self-locking cylinder and a plug, the self-locking cylinder is provided with a clamping groove matched with the plug, the self-locking cylinder is fixedly arranged at the top of the front support frame, and the plug is movably connected with the handrail assembly; when the handrail assembly is in the unfolded state, the plug can be inserted into the clamping groove of the self-locking cylinder to prevent the handrail assembly from rotating.

[0008] Further, the plug is connected with an elastic assembly, the elastic assembly can continuously provide the plug with the force of inserting into the clamping groove of the self-locking cylinder, so that the reliability of the plug in use is improved.

[0009] Further, the plug is connected with a pushing block, the pushing block is slidably connected with the handrail assembly, the pushing block is provided with a convex rib-shaped pushing surface matched with a finger, the finger pushes the pushing block to overcome the force of the elastic assembly and pull the plug out of the clamping groove of the self-locking cylinder to realize unlocking.

[0010] Further, the self-locking assembly comprises a guide column, one end of the guide column is fixedly connected with the plug and arranged in parallel with the plug, and the other end of the guide column is movably inserted into the first rotating shaft.

[0011] Further, the self-locking assembly comprises an L-shaped connecting plate, one end of the L-shaped connecting plate is fixedly connected with the guide column, and the other end of the L-shaped connecting plate is connected with the pushing block and the plug.

[0012] Further, the front support frame comprises a horizontal fixing frame, a vertical column is vertically arranged above the fixing frame, the first rotating shaft is arranged at the top of the vertical column and connected with the handrail assembly, the second rotating shaft is arranged on the fixing frame, and the supporting leg assembly is hingedly connected with the fixing frame through a third rotating shaft; the control assembly further comprises a driving connecting rod, one end of the driving connecting rod is connected with the second rotating shaft, and the other end of the driving connecting rod is connected with the third rotating shaft, so that the second rotating shaft and the third rotating shaft are linked.

[0013] Further, eccentric flanges are arranged on the second rotating shaft and the third rotating shaft respectively, one end of the driving connecting rod is connected with the eccentric flange of the second rotating shaft, and the other end of the driving connecting rod is connected with the eccentric flange of the third rotating shaft, so that the second rotating shaft and the third rotating shaft are linked.

[0014] Further, the supporting leg assembly is provided with a universal wheel away from the end connected with the front support frame.

[0015] The utility model discloses a structure design is ingenious, through the handrail assembly and supporting leg assembly linkage setting, and the compactness of more convenient and fast and the storage state is high, can greatly reduce the occupation of fitness equipment empty, in addition, through setting up self-locking assembly, can prevent the handrail assembly from folding in the user's use process, and adopt the cooperation of the cylindrical self-locking cylinder and the plug, can make the handrail assembly when rotating to the unfolded state, the plug is automatically inserted into the clamping groove of the self-locking cylinder and is locked, greatly improve the user's use experience.

[0016] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, can be implemented according to the content of the specification, and in order to let the above and other purposes, features and advantages of the utility model can be more obvious and easy to understand, the following specific embodiments of the utility model are described. BRIEF DESCRIPTION OF DRAWINGS

[0017] Various other advantages and benefits will become apparent to those of ordinary skill in the art, upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of preferred embodiments, and are not meant to limit the present utility model. Furthermore, the same reference numerals are intended to denote the same components throughout the accompanying drawings. In the drawings:

[0018] Figure 1 It is a perspective view of the utility model's handrail assembly and leg assembly in the unfolded state.

[0019] Figure 2 It is a connection schematic diagram of the utility model's locking assembly.

[0020] Figure 3 It is a connection schematic diagram of the utility model's control assembly and foot assembly.

[0021] Figure 4 It is a connection schematic diagram of the utility model's bolt and self-locking cylinder.

[0022] Figure 5 It is a folding process schematic diagram of the utility model's running track.

[0023] Figure 6 It is a schematic diagram of the utility model's running track folding.

[0024] Figure 7 It is a schematic diagram of the utility model's handrail assembly and leg assembly in the folded state. DETAILED DESCRIPTION

[0025] In order to better understand the purpose, function and specific design scheme of the utility model, the utility model's handrail and leg linkage folding structure applied to folding treadmill is further described in detail below in combination with the drawings.

[0026] As Figures 1-7As shown, the folding treadmill applied to the slope adjusting structure of the utility model includes a foldable running track 2, the running track 2 includes a front running track and a rear running track articulated and a running belt, the front running track and the rear running track are provided with soft running plates above, and the running belt is sleeved on the front running track and the rear running track;The front running track is articulated with the front support frame 1 away from one end of the rear running track articulated, when folding, the rear running track can be turned up and covered on the front running track, and the front running track can drive the rear running track to rotate to the vertical state relative to the front support frame 1 to complete the folding of the front running track and the rear running track.

[0027] The upper portion of the front support frame 1 is provided with a handrail assembly 3, and the lower portion of the front support frame 1 is provided with a supporting leg assembly 4, the handrail assembly 3 is connected with the supporting leg assembly 4 through a control assembly 5, the control assembly 5 includes a first rotating shaft 51, a rotating shaft connecting rod 52 and a second rotating shaft 53 connected with each other, the first rotating shaft 51 is arranged at the top position of the front support frame 1 and connected with the handrail assembly 3, the second rotating shaft 53 is arranged at the bottom position of the front support frame 1 and connected with the supporting leg assembly 4, the handrail assembly 3 can be rotated relative to the stand column through the first rotating shaft 51 and drive the second rotating shaft 53 to rotate through the rotating shaft connecting rod 52, and then drive the supporting leg assembly 4 to rotate synchronously, so as to realize the synchronous switching of the handrail assembly 3 and the supporting leg assembly 4 between the storage state and the unfolded state.

[0028] Preferably, as Figures 2-4 As shown, in order to improve the reliability of the handrail assembly 3 during use, the handrail assembly 3 of the embodiment is provided with a self-locking assembly 6, the self-locking assembly 6 can lock the handrail assembly 3 in the unfolded state, so as to prevent the handrail assembly 3 from folding during use of the user and causing accidents.

[0029] The self-locking assembly 6 includes a self-locking cylinder 61 and a bolt 62, the self-locking cylinder 61 is provided with a clamping groove 611 matched with the bolt 62, the self-locking cylinder 61 is fixedly arranged at the top position of the front support frame 1, and the bolt 62 is movably connected with the handrail assembly 3, when the handrail assembly 3 is in the unfolded state, the bolt 62 can be inserted into the clamping groove 611 of the self-locking cylinder 61, so as to prevent the handrail assembly 3 from rotating.

[0030] In order to lock or unlock the handrail assembly 3, the latch 62 is connected with an elastic assembly which can continuously provide the force for the latch 62 to insert into the clamping groove 611 of the self-locking cylinder 61, so as to improve the reliability of the latch 62. The latch 62 is connected with the knob 63 which is slidingly connected with the handrail assembly 3. The knob 63 is provided with a protruding edge which is suitable for the finger. When the knob 63 is pushed by the finger, the force of the elastic assembly can be overcome and the latch 62 is pulled out of the clamping groove 611 of the self-locking cylinder 61 to realize the unlocking. At this time, the handrail assembly 3 can be switched from the unfolded state to the storage state. In addition, when the handrail assembly 3 is switched from the storage state to the unfolded state, the end of the latch 62 is kept in contact with the arc surface of the self-locking cylinder 61 under the action of the elastic assembly. Until the handrail assembly 3 is rotated to the unfolded state, the latch 62 is automatically inserted into the clamping groove 611 of the self-locking cylinder 61 under the action of the elastic assembly to realize the self-locking function.

[0031] Preferably, in order to improve the stability of the moving track of the latch 62, the self-locking assembly 6 further comprises a guide column 64. One end of the guide column 64 is fixedly connected with the latch 62 and is arranged in parallel with the latch 62. The other end of the guide column 64 is movably inserted into the first rotating shaft 51. Since the moving path of the guide column 64 is determined, the stability of the latch 62 during the inserting and pulling movement can be ensured.

[0032] The self-locking assembly 6 further comprises an L-shaped connecting plate 65. One end of the L-shaped connecting plate 65 is fixedly connected with the guide column 64. The other end of the L-shaped connecting plate 65 is connected with the knob 63 and the latch 62. In addition, the elastic assembly can be a tension spring. One end of the tension spring is fixedly connected with the L-shaped connecting plate 65. The other end of the tension spring is fixedly connected with the first rotating shaft 51 or the handrail assembly 3. It can be understood that the elastic assembly can also be in other forms as long as it can continuously provide the force for the latch 62 to insert into the clamping groove 611 of the self-locking cylinder 61.

[0033] As Figure 1 and Figure 3As shown, the front support frame 1 of the embodiment comprises a horizontal fixing frame 11, a vertical column 12 is vertically arranged above the fixing frame 11, the first rotating shaft 51 is arranged at the top position of the vertical column 12 and connected with the handrail assembly 3, the second rotating shaft 53 is arranged on the fixing frame 11, and the supporting leg assembly 4 is hingedly connected with the fixing frame 11 through the third rotating shaft 41. The control assembly 5 further comprises a driving connecting rod 54, the second rotating shaft 53 and the third rotating shaft 41 are respectively provided with eccentric flanges, one end of the driving connecting rod 54 is connected with the eccentric flange of the second rotating shaft 53, and the other end of the driving connecting rod 54 is connected with the eccentric flange of the third rotating shaft 41, so that the second rotating shaft 53 and the third rotating shaft 41 are linked. By arranging the driving connecting rod 54, the position of the supporting leg assembly 4 can be more flexible, so as to adapt to different models of treadmills. Preferably, in order to reduce the resistance when the supporting leg assembly 4 is folded and unfolded, a universal wheel is arranged at the end of the supporting leg assembly 4 away from the front support frame 1.

[0034] The utility model discloses clever structure design, through handrail assembly and supporting leg assembly linkage setting, and the compactness of more convenient and faster and storage state is high, can greatly reduce the occupation of fitness equipment empty, in addition, through setting up self -locking assembly, can prevent handrail assembly from folding in the user use process, and adopt the cooperation of cylindrical self -locking cylinder and bolt, can make handrail assembly when rotating to the unfolded state, and the bolt is automatically inserted into the locking slot of self -locking cylinder and is locked, greatly improve the user's use experience.

[0035] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical solutions recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the utility model each embodiment.

Claims

1. A folding structure for linking the handrails and support legs in a folding treadmill, characterized in that, The front support frame connected with the running track is provided with a handrail assembly above and a supporting leg assembly below, the handrail assembly is connected with the supporting leg assembly through a control assembly, the control assembly comprises a first rotating shaft, a rotating shaft connecting rod and a second rotating shaft connected with each other, the first rotating shaft is arranged at the top of the front support frame and connected with the handrail assembly, the second rotating shaft is arranged at the bottom of the front support frame and connected with the supporting leg assembly, the handrail assembly can be rotated relative to the stand through the first rotating shaft and drive the second rotating shaft to rotate through the rotating shaft connecting rod, thereby driving the supporting leg assembly to rotate synchronously, so as to realize the synchronous switching of the handrail assembly and the supporting leg assembly between the storage state and the unfolded state.

2. The folding structure for connecting the handrail and the supporting leg of the folding treadmill according to claim 1, wherein, A self-locking assembly is arranged in the handrail assembly, which can lock the unfolded handrail assembly.

3. The folding structure for connecting the handrail and the supporting leg of the folding treadmill according to claim 2, wherein, The self-locking assembly comprises a self-locking cylinder and a latch, the self-locking cylinder is provided with a clamping groove matched with the latch, the self-locking cylinder is fixedly arranged at the top of the front support frame, the latch is movably connected with the handrail assembly, when the handrail assembly is in the unfolded state, the latch can be inserted into the clamping groove of the self-locking cylinder to prevent the handrail assembly from rotating.

4. The folding structure for connecting the handrail and the supporting leg of the folding treadmill according to claim 3, wherein, The latch is connected with an elastic assembly, the elastic assembly can continuously provide the force for the latch to insert into the clamping groove of the self-locking cylinder, so as to improve the reliability of the latch in use.

5. The folding structure for connecting the handrail and the supporting leg of the folding treadmill according to claim 4, wherein, The latch is connected with a push block, the push block is slidably connected with the handrail assembly, the push block is provided with a convex rib push surface matched with the fingers, the fingers can push the push block to overcome the force of the elastic assembly and pull out the latch from the clamping groove of the self-locking cylinder to realize unlocking.

6. The folding structure for connecting the handrail and the supporting leg of the folding treadmill according to claim 5, wherein, The self-locking assembly comprises a guide column, one end of the guide column is fixedly connected with the latch and arranged in parallel with the latch, the other end of the guide column is movably inserted into the first rotating shaft.

7. The folding structure for connecting the handrail and the supporting leg of the folding treadmill according to claim 6, wherein, The self-locking assembly comprises an L-shaped connecting plate, one end of the L-shaped connecting plate is fixedly connected with the guide column, the other end of the L-shaped connecting plate is connected with the push block and the latch.

8. The folding structure for connecting the handrail and the supporting leg of the folding treadmill according to claim 1, wherein, The front support frame comprises a horizontal fixed frame, a vertical stand is arranged above the fixed frame, the first rotating shaft is arranged at the top of the stand and connected with the handrail assembly, the second rotating shaft is arranged on the fixed frame, the supporting leg assembly is hingedly connected with the fixed frame through a third rotating shaft; the control assembly further comprises a driving connecting rod, one end of the driving connecting rod is connected with the second rotating shaft, the other end of the driving connecting rod is connected with the third rotating shaft, so that the second rotating shaft and the third rotating shaft are linked.

9. The folding structure for connecting the handrail and the supporting leg of the folding treadmill according to claim 8, wherein, Eccentric flanges are arranged on the second rotating shaft and the third rotating shaft respectively, one end of the driving connecting rod is connected with the eccentric flange of the second rotating shaft, the other end of the driving connecting rod is connected with the eccentric flange of the third rotating shaft, so that the second rotating shaft and the third rotating shaft are linked.

10. The folding structure for linkage of the handrail and the supporting leg of the folding treadmill according to claim 1, wherein, A universal wheel is arranged at the end of the supporting leg assembly away from the front support frame.

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