Foldable supporting frame and mountaineering machine

Abstract

The utility model provides a foldable supporting frame and a mountaineering machine, and aims to solve the problem that a supporting frame on a mountaineering machine in the prior art is inconvenient for a user to operate when being unfolded or folded. A foldable supporting frame comprises a first support and a second support. A second bracket; the connecting assembly is arranged below the hinge shaft and comprises a first pin shaft arranged on the first support, a second pin shaft arranged on the second support and a connecting frame arranged between the first pin shaft and the second pin shaft; a guide part is arranged on the connecting frame; the first pin shaft is rotationally and slidably connected with the guide part, and the second pin shaft is hinged to the end, close to the second support, of the connecting frame; when the supporting frame is in the folded state, the lower end of the first support gets close to the lower end of the second support, and the first pin shaft and the second pin shaft get close to each other. When the support frame is used on the mountaineering machine, the support frame is more convenient to unfold and fold.

Description

TECHNICAL FIELD

[0001] The utility model belongs to body -building equipment technical field, concretely relates to a foldable support frame and mountain climbing machine. BACKGROUND

[0002] At present, some mountain climbing machines that can simulate mountain climbing actions of people appear on the market, so that people can simulate outdoor mountain climbing in the family or gym, thereby carrying out body -building. The mountain climbing machine currently usually includes a herringbone support frame, a pedal assembly is arranged on one side of the herringbone support frame, and a handrail is arranged on the other side. The herringbone support frame is very stable when being used, and the opposite sides are supported on the ground. However, in the prior art, the support frame is not convenient for user operation when being unfolded or folded, and therefore needs to be further improved. SUMMARY

[0003] The utility model provides a foldable support frame and mountain climbing machine, aims at solving the problem of the support frame on the mountain climbing machine in the prior art when being unfolded or folded.

[0004] In order to solve the above technical problem, the utility model adopts the technical scheme that:

[0005] Firstly, the utility model provides a foldable support frame, which comprises:

[0006] A first support frame;

[0007] A second support frame, the upper end of the second support frame is hinged to the upper end of the first support frame through a hinge shaft; and

[0008] A connecting assembly is arranged below the hinge shaft, the connecting assembly comprises a first pin shaft arranged on the first support frame, a second pin shaft arranged on the second support frame and a connecting frame arranged between the first pin shaft and the second pin shaft; the connecting frame is provided with a guide portion; the first pin shaft is rotationally and slidingly connected to the guide portion, and the second pin shaft is hinged to the end of the connecting frame close to the second support frame; or the second pin shaft is rotationally and slidingly connected to the guide portion, and the first pin shaft is hinged to the end of the connecting frame close to the first support frame; or the first pin shaft and the second pin shaft are both rotationally and slidingly connected to the guide portion.

[0009] The support frame comprises an unfolded state and a folded state; when the support frame is in the unfolded state, the lower end of the first support frame is away from the lower end of the second support frame, and the first pin shaft and the second pin shaft are respectively located at the two ends of the connecting frame; when the support frame is in the folded state, the lower end of the first support frame is close to the lower end of the second support frame, and the first pin shaft and the second pin shaft are close to each other.

[0010] Further scheme: the guide part is a guide hole.

[0011] Based on the above technical scheme: the guide part is set as a guide hole, which facilitates the rotating and sliding connection with the first pin shaft and / or the second pin shaft.

[0012] Further scheme: the first pin shaft is in rotating and sliding connection with the guide hole, and the second pin shaft is hinged to the end of the connecting frame close to the second support; or, the second pin shaft is in rotating and sliding connection with the guide hole, and the first pin shaft is hinged to the end of the connecting frame close to the first support.

[0013] Based on the above technical scheme: the above setting facilitates the user to operate the support frame to be quickly folded or unfolded.

[0014] Further scheme: the first pin shaft and the second pin shaft are both in rotating and sliding arrangement in the guide hole.

[0015] Further scheme: when the support frame is in the folded state, the first pin shaft and the second pin shaft are both located in the upper part of the guide hole, and the first pin shaft is located on the upper side of the second pin shaft, the lower end of the connecting frame close to one side of the second support is abutted on the second support, the support frame is kept in the folded state, and the lower end of the connecting frame can be separated from the second support by lifting the connecting frame upward;

[0016] or, when the support frame is in the folded state, the first pin shaft and the second pin shaft are both located in the upper part of the guide hole, and the second pin shaft is located on the upper side of the first pin shaft, the lower end of the connecting frame close to one side of the first support is abutted on the first support, the support frame is kept in the folded state, and the lower end of the connecting frame can be separated from the first support by lifting the connecting frame upward.

[0017] Based on the above technical scheme: through the above setting, after the support frame is folded, the connecting frame slides downward under the action of gravity, so that the first pin shaft and the second pin shaft are both located in the upper part of the guide hole, and the lower end of the connecting frame is abutted on the corresponding first support or second support, so that the support frame is kept in the folded state, thereby being more stable after being folded, and when the user needs to unfold the support frame, the lower end of the connecting frame can be separated from the corresponding support by lifting the connecting frame upward, so that the support frame can be smoothly unfolded.

[0018] Further scheme: the connecting assembly has two groups, and the two groups of connecting assemblies are respectively located on the left and right sides of the first support.

[0019] Based on the above technical scheme: the two groups of connecting assemblies make the support frame more stable, and make the support frame convenient to be applied to a mountain climbing machine, an A-frame ladder, etc.

[0020] A further embodiment: The upper end of the first bracket is provided with a hinge bracket, and the upper end of the second bracket is hinged to the hinge bracket through the hinge shaft; the hinge bracket is provided with a number of hinge positions of different heights, and the hinge shaft adjusts the angle between the first bracket and the second bracket in the unfolded state by cooperating with different hinge positions.

[0021] Based on the above technical solution: the above settings allow the hinge shaft to adjust the angle between the first and second supports in the unfolded state by cooperating with different hinge positions. When applied to a climbing machine, it can adjust the slope of the climbing machine, making it convenient for users.

[0022] A further solution: The hinge bracket is provided with a position switching hole, which is connected to each of the hinge positions. The hinge shaft can move into different hinge positions by moving along the position switching hole.

[0023] Based on the above technical solution: by setting a position switching hole, users can easily move the hinge shaft to cooperate with different hinge positions without disassembling the hinge shaft, which facilitates user operation.

[0024] A further solution: The upper end of the second bracket is provided with two hinged brackets, one on the left and one on the right, and the upper end of the first bracket is hinged to the two hinged brackets on the left and one on the right respectively through the two hinge shafts on the left and right.

[0025] Secondly, this utility model provides a climbing machine, including two sets of pedal assemblies, a handrail frame, and a foldable support frame as described in any of the solutions in the first aspect. The two sets of pedal assemblies are slidably disposed on the left and right sides of the second support, and a pull rope is provided between the two sets of pedal assemblies, passing around the second support. The handrail frame is disposed on the first support.

[0026] Based on the above technical solution: the above support frame is applied to the mountaineering machine, which makes it convenient for users to quickly fold or unfold the mountaineering machine.

[0027] The beneficial effects of this utility model are as follows:

[0028] This utility model allows the support frame to switch between an unfolded and folded state by hinged upper ends of the first and second supports. A connecting component is provided so that, in the unfolded state, the connecting frame is positioned between the first and second supports via two pins, providing stability and balance. By offering three connection methods between the connecting frame and the first and second pins, the support frame can be unfolded or folded without disassembling the connecting frame, the first pin, or the second pin. During folding, at least one of the two pins will move closer together along the guide section, while during unfolding, they will move further apart, making folding and unfolding very convenient. Brief Description of the Drawings

[0029] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0030] Figure 1 It is a schematic structural view of a foldable support frame of the present utility model in the unfolded state.

[0031] Figure 2 It is a schematic structural view of a foldable support frame of the present utility model in the folded state.

[0032] Figure 3 s It is a schematic structural view in which the lower end of the connecting frame abuts against the first support in the folded state.

[0033] Figure 4 It is a schematic structural view in which the lower end of the connecting frame abuts against the second support in the folded state.

[0034] Figure 5 It is a schematic structural view in which the hinge position and the position switching hole are communicated.

[0035] Figure 6 It is a schematic structural view of the climber of the present utility model in the unfolded state.

[0036] Figure 7 s It is a schematic structural view of the climber of the present utility model in the folded state.

[0037] Explanation of the reference numerals in the drawings:

[0038] 1 - First support; 11 - First pin shaft; 12 - Hinge support; 121 - Hinge position; 122 - Position switching hole; 2 - Second support; 21 - Second pin shaft; 3 - Connecting frame; 31 - Guide hole; 4 - Pedal assembly; 5 - Armrest frame; 6 - Hinge shaft; 7 - Pulling rope. Detailed Embodiments

[0039] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present utility model belong to the protection scope of the present utility model.

[0040] Embodiment 1:

[0041] As Figure 1 and Figure 2 shown, the embodiment provides a foldable support frame, comprising:

[0042] a first support frame 1;

[0043] a second support frame 2, the upper end of the second support frame 2 being hinged to the upper end of the first support frame 1 through a hinge shaft 6; and

[0044] a connecting assembly arranged below the hinge shaft 6, the connecting assembly comprising a first pin shaft 11 arranged on the first support frame 1, a second pin shaft 21 arranged on the second support frame 2, and a connecting frame 3 arranged between the first pin shaft 11 and the second pin shaft 21; the connecting frame 3 is provided with a guide portion; the guide portion is arranged along the length direction of the connecting frame 3, and the axes of the first pin shaft 11 and the second pin shaft 21 are parallel to the axis of the hinge shaft 6.

[0045] Among them, as a specific connection mode of the connecting frame 3 and the first pin shaft 11 and the second pin shaft 21, the first pin shaft 11 is rotationally and slidingly connected with the guide portion, and the second pin shaft 21 is hinged to the end of the connecting frame 3 close to the second support frame 2;

[0046] Alternatively, the second pin shaft 21 is rotationally and slidingly connected with the guide portion, and the first pin shaft 11 is hinged to the end of the connecting frame 3 close to the first support frame 1;

[0047] Alternatively, the first pin shaft 11 and the second pin shaft 21 are both rotationally and slidingly connected with the guide portion;

[0048] The support frame comprises an unfolded state and a folded state; when the support frame is in the unfolded state, the lower end of the first support frame 1 is away from the lower end of the second support frame 2, and the first pin shaft 11 and the second pin shaft 21 are respectively located at both ends of the connecting frame 3; when the support frame is in the folded state, the lower end of the first support frame 1 is close to the lower end of the second support frame 2, and the first pin shaft 11 and the second pin shaft 21 are close to each other.

[0049] In the embodiment, as Figure 1 and Figure 2 shown, in order to facilitate the rotation and sliding connection of the first pin shaft 11 and / or the second pin shaft 21 with the guide portion, the guide portion is a guide hole 31 arranged on the connecting frame 3 along the length direction of the connecting frame 3. Specifically, the first pin shaft 11 is rotationally and slidingly connected with the guide hole 31, and the second pin shaft 21 is hinged to the end of the connecting frame 3 close to the second support frame 2.

[0050] Alternatively, the second pin shaft 21 is rotatably and slidably connected with the guide hole 31, and the first pin shaft 11 is hingedly connected with the connecting frame 3 near the end of the first support 1.

[0051] Alternatively, the first pin shaft 11 and the second pin shaft 21 are both rotatably and slidably arranged in the guide hole 31. Specifically, the first pin shaft 11 and the second pin shaft 21 are both fixed on the connecting frame 3 by nuts.

[0052] In this embodiment, as shown in Figure 3 , Figure 4 when the first pin shaft 11 and the second pin shaft 21 are both located in the guide hole 31, the first support 1 and the second support 2 are folded, and the connecting frame 3 is slid downward so that the first pin shaft 11 and the second pin shaft 21 are both located in the upper part of the guide hole 31, in order to make the support frame more stable in the folded state:

[0053] The first implementation is that when the support frame is in the folded state, the first pin shaft 11 and the second pin shaft 21 are both located in the upper part of the guide hole 31, and the first pin shaft 11 is located on the upper side of the second pin shaft 21, that is, the upper side wall of the guide hole 31 abuts on the first pin shaft 11, and the lower end of the connecting frame 3 abuts on the second support 2 on one side close to the second support 2, so that the support frame is kept in the folded state, at this time the first support 1 cannot rotate relative to the second support 2, and the lower end of the connecting frame 3 can be separated from the second support 2 by lifting the connecting frame 3 upward, after the separation, the second support 2 can rotate relative to the first support 1, so that the support frame can be switched from the folded state to the unfolded state.

[0054] The second implementation is that when the support frame is in the folded state, the first pin shaft 11 and the second pin shaft 21 are both located in the upper part of the guide hole 31, and the second pin shaft 21 is located on the upper side of the first pin shaft 11, and the lower end of the connecting frame 3 abuts on the first support 1 on one side close to the first support 1, so that the support frame is kept in the folded state, and the lower end of the connecting frame 3 can be separated from the first support 1 by lifting the connecting frame 3 upward.

[0055] In this embodiment, the connecting assembly has two groups, and the two groups of connecting assemblies are respectively located on the left and right sides of the first support 1.

[0056] In this embodiment, as shown in Figure 1 , Figure 2 and Figure 5As shown, the upper end of the first support 1 is provided with a hinged support 12, and the upper end of the second support 2 is hinged on the hinged support 12 through the hinged shaft 6; in order to conveniently adjust the included angle of the first support 1 and the second support 2 in the unfolded state, thereby adjusting the slope or the inclination angle of the first support 1 and the second support 2, a plurality of hinged positions 121 with different heights are arranged on the hinged support 12, and the hinged shaft 6 adjusts the included angle of the first support 1 and the second support 2 in the unfolded state by cooperating with different hinged positions 121. When it is applied to the mountain climbing machine, the slope of the mountain climbing machine can be adjusted by adjusting the included angle of the first support 1 and the second support 2 in the unfolded state. When it is applied to the ladder, the height of the ladder can be adjusted.

[0057] Specifically, the hinged support 12 is provided with a position switching hole 122, the position switching hole 122 is in communication with each of the hinged positions 121, and the hinged shaft 6 can enter different hinged positions 121 by moving along the position switching hole 122. Specifically, during adjustment, the hinged shaft 6 can be moved to cooperate with different hinged positions 121 without disassembling the hinged shaft 6 by making the hinged shaft 6 disengage from the current hinged position 121 and enter the required hinged position 121 upward or downward along the position switching hole 122.

[0058] The upper end of the second support 2 is provided with left and right hinged supports 12, and the upper end of the first support 1 is hinged on the left and right hinged supports 12 through the left and right hinged shafts 6.

[0059] Embodiment two:

[0060] As shown in Figure 6 and Figure 7 The embodiment provides a mountain climbing machine, which comprises two groups of pedal assemblies 4, a handrail support 5 and the foldable support frame in any of the embodiments one. The two groups of pedal assemblies 4 are arranged on the left and right sides of the second support 2 in a sliding mode, and a pull rope 7 is arranged between the two groups of pedal assemblies 4 and passes through the second support 2, and the handrail support 5 is arranged on the first support 1. Specifically, in use, a user holds the handrail support 5 and steps on the two groups of pedal assemblies 4 with two feet, so that the two groups of pedal assemblies 4 are driven to slide alternately on the second support 2.

[0061] When the mountain climbing machine is in the unfolded state, the lower end of the first support 1 and the lower end of the second support 2 are away from each other, and when the mountain climbing machine is in the folded state, the first support 1 and the second support 2 are close to each other.

[0062] Working principle:

[0063] As shown in Figure 1 and Figure 2As shown, the first pin shaft 11 is rotatably and slidably arranged in the guide hole 31, and the end of the connecting frame 3 close to the second support 2 is hinged with the second pin shaft 21, when the support frame is in the unfolded state, the lower ends of the first support 1 and the second support 2 are away from each other, and the first pin shaft 11 and the second pin shaft 21 are respectively located at the two ends of the connecting frame 3, at this time, the connecting frame 3 plays a stabilizing role, so that the first support 1 and the second support 2 are kept in the unfolded state; when folding, the lower end of the first support 1 and the lower end of the second support 2 are close to each other, and the first pin shaft 11 slides along the guide hole 31 to the side of the guide hole 31 close to the second pin shaft 21, and the connecting frame 3 swings downward with the second pin shaft 21 as the rotation to close to the first support 1 and the second support 2.

[0064] The utility model is not limited to the above optional implementation, and the schemes can be combined arbitrarily on the premise of not contradicting each other; anyone can derive other various forms of products under the enlightenment of the utility model, but no matter any change in shape or structure, any technical scheme falling within the scope defined by the claims of the utility model falls within the protection scope of the utility model.

Claims

1. A foldable support frame, characterized by, The support frame comprises: a first support frame; a second support frame, the upper end of the second support frame being hinged to the upper end of the first support frame through a hinge shaft; and a connecting assembly arranged below the hinge shaft, the connecting assembly comprising a first pin shaft arranged on the first support frame, a second pin shaft arranged on the second support frame, and a connecting frame arranged between the first pin shaft and the second pin shaft; the connecting frame is provided with a guide portion; the first pin shaft is rotationally and slidingly connected to the guide portion, and the second pin shaft is hinged to the end of the connecting frame close to the second support frame; or, the second pin shaft is rotationally and slidingly connected to the guide portion, and the first pin shaft is hinged to the end of the connecting frame close to the first support frame; or, both the first pin shaft and the second pin shaft are rotationally and slidingly connected to the guide portion. The support frame comprises an unfolded state and a folded state; when the support frame is in the unfolded state, the lower end of the first support frame is away from the lower end of the second support frame, and the first pin shaft and the second pin shaft are respectively located at the two ends of the connecting frame; when the support frame is in the folded state, the lower end of the first support frame is close to the lower end of the second support frame, and the first pin shaft and the second pin shaft are close to each other.

2. The foldable support frame of claim 1, wherein, The guide portion is a guide hole.

3. A foldable support frame according to claim 2, wherein, The first pin shaft is rotationally and slidingly connected to the guide hole, and the second pin shaft is hinged to the end of the connecting frame close to the second support frame; or, the second pin shaft is rotationally and slidingly connected to the guide hole, and the first pin shaft is hinged to the end of the connecting frame close to the first support frame.

4. The foldable support frame of claim 2, wherein, Both the first pin shaft and the second pin shaft are rotationally and slidingly arranged in the guide hole.

5. A foldable support frame according to claim 4, wherein, When the support frame is in the folded state, both the first pin shaft and the second pin shaft are located in the upper part of the guide hole, and the first pin shaft is located on the upper side of the second pin shaft, the lower end of the connecting frame is abutted on the second support frame on the side close to the second support frame, the support frame is kept in the folded state, and the lower end of the connecting frame can be separated from the second support frame by lifting the connecting frame upward; or, when the support frame is in the folded state, both the first pin shaft and the second pin shaft are located in the upper part of the guide hole, and the second pin shaft is located on the upper side of the first pin shaft, the lower end of the connecting frame is abutted on the first support frame on the side close to the first support frame, the support frame is kept in the folded state, and the lower end of the connecting frame can be separated from the first support frame by lifting the connecting frame upward.

6. The foldable support frame of claim 1, wherein, The connecting assembly has two groups, and the two groups of connecting assemblies are respectively located on the left and right sides of the first support frame.

7. The foldable support frame of claim 1, wherein, The upper end of the first support frame is provided with a hinge support frame, and the upper end of the second support frame is hinged to the hinge support frame through the hinge shaft; the hinge support frame is provided with a plurality of hinge positions with different heights, and the hinge shaft adjusts the included angle between the first support frame and the second support frame in the unfolded state by cooperating with different hinge positions.

8. A foldable support frame according to claim 7, wherein, The hinge support frame is provided with a position switching hole, the position switching hole is in communication with each hinge position, and the hinge shaft can enter different hinge positions by moving along the position switching hole.

9. The foldable support frame of claim 7, wherein, The upper end of the second support is provided with left and right two hinged supports, and the upper end of the first support is hingedly connected to the left and right two hinged supports through left and right two hinged shafts respectively.

10. A mountain climber characterized by The foldable support frame comprises two groups of pedal assemblies, a handrail frame and the support frame according to any one of claims 1 to 9, the two groups of pedal assemblies are slidingly arranged on the left and right sides of the second support respectively, and a pull rope is arranged between the two groups of pedal assemblies and passes around the second support, and the handrail frame is arranged on the first support.

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