Pedal plate mounting structure of ladder stand body builder

Abstract

The utility model discloses a pedal plate installation structure of a ladder stand body builder, which comprises a ladder frame, the ladder frame is provided with two ladder frame vertical rods which are parallel to each other and are inclined relative to the ground, the two ladder frame vertical rods are respectively provided with a treading assembly in a sliding mode, each treading assembly comprises an installation seat and a treading plate fixed on the installation seat, and the installation seat is provided with a U-shaped installation groove. A first track wheel and a second track wheel are rotationally connected into the U-shaped mounting groove and form a sliding channel, the middle of each track wheel is provided with an inwards-concave annular groove, the two ends of each track wheel are provided with circular baffles, and inwards-concave smooth transition curved surfaces are arranged between the circular baffles and the grooves. Convex smooth transition curved surfaces are arranged at the intersections of the two side surfaces, the top surface and the bottom surface of the ladder assembly vertical rod, the mounting seat is sleeved on the ladder assembly vertical rod through the sliding channel and slides along the ladder assembly vertical rod, and the concave smooth transition curved surfaces are matched with the convex smooth transition curved surfaces. Compared with the prior art, the pedal assembly has the advantages that the structure of the pedal assembly is more stable, and sliding is smoother.

Description

TECHNICAL FIELD

[0001] The utility model relates to body -building technical field especially involves the footboard mounting structure of climbing ladder body -building machine. BACKGROUND

[0002] With the improvement of life quality, people pay more and more attention to physical quality, in order to improve physical quality, must strengthen physical exercise, because climbing, climbing training can improve cardiovascular function, strengthen myocardium, enhance myocardial contractility etc. and are popular with the public, but climbing training can only be carried out outdoors, often be restricted by time, space and cannot carry out training, therefore some indoor climbing body -building machines for solving the above problems appear on the market.

[0003] Such as patent publication no. CN201143357Y Chinese utility model patent "climbing ladder body -building machine", including front support, rear support, left and right footboard assembly and the guide rail of the inclination setting in front support, front support is equipped with four support poles and divides left and right two groups, and the guide rail is arranged in the inner side of two support poles in the same group, left and right footboard assembly is provided with a footboard, the bottom of the footboard is equipped with first shaft stick, and the both ends of the first shaft stick are connected with a pulley respectively, and two pulleys are slidably arranged in the guide rail in the inner side of two support poles in the same group.

[0004] In the above scheme, left and right footboard assembly is installed in the guide rail in the inner side of two support poles in the same group through pulley, because the space of guide rail is limited, so the size of pulley is limited, and the diameter of wheel shaft connected with pulley is also limited, resulting in the weak bearing capacity of wheel shaft, and the structure of left and right footboard assembly is unstable. UTILITY MODEL CONTENTS

[0005] The utility model provides a footboard mounting structure of climbing ladder body -building machine for the unstable problem of left and right footboard structure of climbing ladder body -building machine.

[0006] The utility model discloses a technical scheme adopted for solving the above technical problems: including ladder stand, the ladder stand has two ladder stand uprights that are parallel to each other and are inclined to ground, the two ladder stand uprights are slidably equipped with the tread component, the tread component includes the mounting seat and the tread board of fixed mounting seat, the bottom of mounting seat has the U type installation groove, be equipped with the first track wheel and the second track wheel of two end rotation connection in the U type installation groove two groove walls, the first track wheel and the second track wheel have the spacing between interval to form the sliding channel for the ladder stand uprights to pass through, the middle part of first track wheel and second track wheel are all the annular recess of concave, both ends have the round baffle, the round baffle and recess have the round smooth transition curved surface of concave between interval, the both sides of ladder stand upright and its top surface and bottom surface intersection are the round smooth transition curved surface of convex, the mounting seat is through the sliding channel and is sleeved on the ladder stand upright and slides along the ladder stand upright, the round smooth transition curved surface of concave and the round smooth transition curved surface of convex always cooperate with each other.

[0007] The further preferred scheme of the utility model is that the distance between the first track wheel and the second track wheel is equal to the thickness of the ladder stand upright.

[0008] The further preferred scheme of the utility model is that the second track wheel has two, and the two second track wheels are arranged in parallel and are located at the same horizontal height of the two groove walls of the U-shaped installation groove, and the distance from the midpoint of the interval between the two second track wheels to the first track wheel is equal to the thickness of the ladder stand upright.

[0009] The further preferred scheme of the utility model is that the mounting seat comprises a first seat body and a second seat body fixedly connected to the first seat body, the first seat body has a first baffle on the bottom of each side edge, the two first baffles and the bottom of the first seat body form the U-shaped installation groove, and the top surface of the second seat body is fixedly connected to the tread board.

[0010] The further preferred scheme of the utility model is that the second seat body has a second baffle on the bottom of each side edge, the two second baffles and the bottom of the second seat body form a U-shaped storage groove, the groove width of the U-shaped storage groove is greater than the groove width of the U-shaped installation groove, the first seat body is located in the U-shaped storage groove and is rotationally connected to the U-shaped storage groove through a first rotating shaft, and when the U-shaped storage groove rotates relative to the first seat body, the first seat body can be stored in the U-shaped storage groove.

[0011] The further preferred scheme of the utility model is that the second seat body is rotationally connected to a supporting arm through a second rotating shaft on the side away from the first rotating shaft, the supporting arm is provided with an abutting step, the lower end of the supporting arm has an insertion part, the first seat body is provided with a fixing hole matched with the insertion part, and the insertion part abuts against the first seat body through the abutting step after being inserted into the fixing hole to support the second seat body.

[0012] The further preferred scheme of the utility model is that the second seat body is provided with a clamping hole, and the bottom of the pedal is provided with a clamping column which extends into the clamping hole and matches the clamping hole.

[0013] The further preferred scheme of the utility model is that the pedal bottom is provided with a plurality of horizontal and vertical intersecting reinforcing ribs, the reinforcing ribs are provided with concave limiting grooves near the middle part of the pedal, the limiting grooves are matched with the grooves of the second mounting seat, and the clamping column is located in the limiting groove.

[0014] The further preferred scheme of the utility model is that the pedal top surface is provided with anti-skid lines.

[0015] The further preferred scheme of the utility model is that the pedal top surface is provided with an anti-falling edge along the edge, the anti-falling edge is provided with a slot for the foot to extend into, and the slot is located at the rear side of the pedal.

[0016] Compared with the prior art, the utility model has the following advantages,

[0017] 1. The first track wheel and the second track wheel are arranged in the mounting groove at the bottom of the mounting seat, the mounting seat is sleeved on the ladder stand and slides along the ladder stand through the sliding channel, the gravity of the human body acting on the pedal assembly is mainly borne by the ladder stand during the use of the ladder climber, and the track does not need to be arranged in the ladder stand, so that the pedal assembly is more stable and slides more smoothly.

[0018] 2. The middle part of the first track wheel and the second track wheel is arranged as a concave annular groove, and the two ends are provided with circular baffles, the circular baffles have a limiting effect, so that the ladder stand is always located on the inner side of the circular baffles when the pedal assembly slides on the ladder stand, the pedal assembly is prevented from deviating during the sliding process on the ladder stand, and the stability of the ladder climber is improved.

[0019] 3. The circular baffles and the grooves are provided with concave smooth transition curved surfaces, the two side surfaces of the ladder stand are provided with convex smooth transition curved surfaces at the intersections with the top surface and the bottom surface, the concave smooth transition curved surfaces on the first track beam and the second track wheel always match the convex smooth transition curved surfaces on the ladder stand during the use of the pedal assembly, the limiting area of the ladder stand is increased, the friction between the first track wheel, the second track wheel and the ladder stand during the sliding process of the pedal assembly is further reduced, and the stability of the pedal assembly is further improved. DRAWINGS

[0020] The utility model will be further described in detail below in combination with the drawings and preferred embodiments, but the person skilled in the art will appreciate that these drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be regarded as a limitation on the scope of the utility model, in addition, unless specifically indicated, the drawings only schematically show the composition or structure of the described object and can contain exaggerated display, and the drawings are not necessarily drawn to scale.

[0021] Figure 1 It is the three-dimensional structure schematic drawing of preferred embodiment of the utility model;

[0022] Figure 2 It is the three-dimensional structure schematic drawing of preferred embodiment of the utility model ladder stand and tread assembly;

[0023] Figure 3 It is preferred embodiment of the utility model Figure 2 The local enlarged view of A in the middle;

[0024] Figure 4 It is the three-dimensional structure schematic drawing of preferred embodiment of the utility model tread assembly;

[0025] Figure 5 It is the three-dimensional structure schematic drawing of preferred embodiment of the utility model tread assembly;

[0026] Figure 6 It is the explosion view of preferred embodiment of the utility model tread assembly;

[0027] Figure 7 It is the explosion view of preferred embodiment of the utility model;

[0028] Figure 8 It is the three-dimensional structure schematic drawing of preferred embodiment of the utility model tread plate and second seat body.

[0029] In the drawing: 1, ladder stand; 2, ladder stand upright; 3, tread assembly; 31, mounting seat; 311, first seat body; 3111, sliding channel; 3112, U-shaped installation slot; 3113, first baffle; 312, second seat body; 3121, second baffle; 3122, U-shaped storage slot; 3123, fixed hole; 3124, clamping hole; 32, tread plate; 321, clamping column; 322, reinforcing rib; 323, limiting slot; 324, antiskid line; 325, anti-dropping baffle; 326, notch; 4, first track wheel; 41, annular groove; 42, circular baffle; 5, second track wheel; 6, support arm; 61, abutting step; 62, insertion part; 7, first rotating shaft; 8, second rotating shaft. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely descriptive and exemplary and should not be construed as limiting the scope of protection of the present invention.

[0031] It should be noted that similar labels in the following figures indicate similar items; therefore, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

[0032] This embodiment mainly describes the installation structure of the foot pedals of the ladder fitness machine, as detailed below:

[0033] like Figures 1 to 8 As shown, the foot pedal installation structure of the climbing fitness machine includes a ladder frame 1, which mainly serves as a support. The ladder frame 1 has two parallel ladder uprights 2, which are inclined to the ground to form a slope. Each of the two ladder uprights 2 is equipped with a sliding foot pedal assembly 3. The foot pedal assembly 3 is driven by the left and right feet respectively, and slides up and down on the two ladder uprights 2 to simulate climbing stairs, thus achieving the training purpose. The foot pedal assembly 3 includes a mounting base 31 and a foot pedal 32 fixed to the mounting base 31. The bottom of the mounting base 31 has a U-shaped mounting groove 3112. The U-shaped mounting groove 3112 has a first track wheel 4 and a second track wheel 5, both ends of which are rotatably connected to the two walls of the groove. There is a gap between the first track wheel 4 and the second track wheel 5 to form a sliding channel 3111 through which the ladder uprights 2 pass. The middle of both the first track wheel 4 and the second track wheel 5 is a concave annular groove. 41. The device has circular baffles 42 at both ends. The circular baffles 42 have a limiting function, so that when the stepping component 3 slides on the ladder frame upright 2, the ladder frame upright 2 can always be kept inside the circular baffles 42, preventing the stepping component 3 from deviating during the sliding process on the ladder frame upright 2, thereby improving the stability of the climbing fitness device. There is a concave smooth transition surface between the circular baffles 42 and the groove. The intersection of the two sides of the ladder frame upright 2 with its top and bottom surfaces is a convex smooth transition surface. The mounting base 31 is fitted onto the ladder frame upright 2 through the sliding channel 3111 and slides along the ladder frame upright 2. The concave smooth transition surface on the first track beam and the second track wheel 5 always cooperates with the convex smooth transition surface on the ladder frame upright 2, increasing the limiting area of ​​the ladder frame upright 2, further reducing the friction between the first track wheel 4, the second track wheel 5 and the ladder frame upright 2 during the sliding process of the stepping component 3, and at the same time enhancing the stability of the stepping component 3. Compared to existing technologies, in the use of the ladder fitness device of this utility model, the weight of the human body acting on the stepping component 3 is mainly supported by the ladder frame uprights 2, and there is no need to open a track inside the ladder frame uprights 2. Compared with the wheel axle with limited diameter, the stepping component 3 of this utility model has a more stable structure and smoother sliding.

[0034] Preferably, the distance between the first track wheel 4 and the second track wheel 5 is equal to the thickness of the ladder upright 2, so that the bottom surface and the top surface of the ladder upright 2 are always respectively attached to the first track wheel 4 and the second track wheel 5, and cooperate with the two groove walls of the U-shaped mounting groove 3112, and the sliding channels 3111 limit the four directions of the ladder upright 2 respectively, further enhancing the stability of the structure of the stepping assembly 3.

[0035] As shown in Figure 4 , Figure 5 and Figure 7 , in order to further improve the stability of the stepping assembly 3, the second track wheel 5 has two, and the two second track wheels 5 are arranged in parallel and are located at the same horizontal height of the two groove walls of the U-shaped mounting groove 3112, and the distance from the midpoint of the distance between the two second track wheels 5 to the first track wheel 4 is equal to the thickness of the ladder upright 2, and the two second track wheels 5 are arranged on the front side and the rear side of the U-shaped mounting groove 3112 respectively, which plays a role in supporting the stepping plate forward and backward, and can also evenly distribute the force on the stepping plate 32 on the ladder upright 2, thereby improving the stability of the stepping assembly 3.

[0036] As shown in Figure 1 , Figures 3 to 7 , the mounting seat 31 includes a first seat body 311 and a second seat body 312 fixedly connected to the first seat body 311, as shown in , the two side edges of the bottom of the first seat body 311 are provided with first baffles 3113, and the two first baffles 3113 are integrally formed with the first seat body 311 or are fixed by welding, and the U-shaped mounting groove 3112 formed by the two first baffles 3113 and the bottom of the first seat body 311, the top surface of the second seat body 312 is fixedly connected with the stepping plate 32, specifically, the two side edges of the bottom of the second seat body 312 are provided with second baffles 3121, and the two second baffles 3121 and the bottom of the second seat body 312 form a U-shaped receiving groove 3122, the groove width of the U-shaped receiving groove 3122 is greater than the groove width of the U-shaped mounting groove 3112, the first seat body 311 is located in the U-shaped receiving groove 3122, and a first rotating shaft 7 penetrating through the two first baffles 3113 is welded on the first seat body 311, and the two second baffles 3121 are provided with connecting holes symmetrically, and the two ends of the first rotating shaft 7 respectively extend into the connecting holes to make the first seat body 311 and the U-shaped receiving groove 3122 of the second seat body 312 rotatably connected, when the U-shaped receiving groove 3122 of the second seat body 312 rotates relative to the first seat body 311, the first seat body 311 is received in the U-shaped receiving groove 3122 of the second seat body 312, and when the U-shaped receiving groove 3122 of the second seat body 312 is reversely rotated, the first seat body 311 and the U-shaped receiving groove 3122 are opened.

[0037] Figure 5 , Figure 6 and Figure 7As shown, the second seat body 312 is rotatably connected with the support arm 6 through the second rotating shaft 8 away from one side of the first rotating shaft 7, the support arm 6 is provided with an abutting step 61, the lower end of the support arm 6 is provided with an insertion part 62, the first seat body 311 is provided with a fixing hole 3123 matched with the insertion part 62, and the insertion part 62 is inserted into the fixing hole 3123 and abuts against the first seat body 311 through the abutting step 61 to support the second seat body 312, when the stepping assembly 3 is not used, the insertion part 62 can be taken out of the fixing hole, the first seat body 311 is accommodated in the U-shaped accommodation groove 3122 by rotating the second seat body 312, the space of the stepping assembly 3 can be reduced, and packaging and transportation are facilitated.

[0038] As shown in the drawings, Figure 6 As shown, the second seat body 312 is provided with a clamping hole 3124, the bottom of the stepping plate 32 is provided with a clamping column 321 extending into the clamping hole 3124 and matched with the clamping hole 3124, and the stepping plate 32 is clamped in the clamping hole 3124 and clamped with the second seat body 312 through the clamping column 321, in order to improve the stability of the stepping plate 32, a plurality of groups of clamping columns 321 and clamping holes 3124 can be arranged.

[0039] As shown in the drawings, Figure 8 As shown, in order to enhance the strength of the stepping plate 32 and prevent the stepping plate 32 from deforming, the bottom of the stepping plate 32 is provided with a plurality of horizontal and vertical intersecting reinforcing ribs 322, the reinforcing ribs 322 are provided with recessed limiting grooves 323 near the middle part of the stepping plate, the limiting grooves 323 are matched with the recesses of the second mounting seat 31 in shape, the clamping column 321 is located in the limiting groove 323, the reinforcing ribs 322 limit the stepping plate 32 in the horizontal and vertical directions when the second mounting seat 31 is clamped in the limiting groove 323, the movement of the second seat body 312 relative to the stepping plate 32 is prevented, and thus the stability of the stepping plate 32 is enhanced.

[0040] Preferably, in order to prevent falling caused by slipping of the foot during training, the top surface of the stepping plate 32 is provided with anti-skid lines 324, and the top surface of the stepping plate 32 is provided with an anti-falling retaining edge 325 along the edge, the retaining edge 325 is provided with a slot 326 for the foot to extend into, and the slot 326 is located on the rear side of the stepping plate 32, the arrangement of the slot 326 not only facilitates the foot to be put in, but also makes the stepping plate 32 adapt to different sizes of the foot type.

[0041] In the description of the utility model, it should be explained that the terms "upper", "lower", "front", "rear", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0042] The footboard mounting structure of the climbing ladder body-building device is described in detail above, the principle and implementation mode of the present application are described by applying specific examples in the present article, the description of the above examples is only used for helping to understand the present application and the core idea, it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principle of the present application, and these improvements and modifications also fall within the protection scope of the present application.

Claims

1. A foot pedal mounting structure for a ladder fitness device, comprising a ladder frame, wherein the ladder frame has two parallel uprights inclined to the ground, and each of the two uprights is slidably provided with a foot pedal assembly, characterized in that: The foot pedal assembly includes a mounting base and a foot pedal fixed on the mounting base. The bottom of the mounting base has a U-shaped mounting groove. The U-shaped mounting groove has a first track wheel and a second track wheel with their two ends rotatably connected to the two walls of the U-shaped mounting groove. There is a gap between the first track wheel and the second track wheel to form a sliding channel for the ladder frame upright to pass through. The middle part of the first track wheel and the second track wheel are both concave annular grooves, and there are circular baffles at both ends. There is a concave smooth transition surface between the circular baffles and the grooves. The two sides of the ladder frame upright meet with its top and bottom surfaces and have convex smooth transition surfaces. The mounting base is fitted onto the ladder frame upright through the sliding channel and slides along the ladder frame upright. The concave smooth transition surface and the convex smooth transition surface always cooperate with each other.

2. The foot pedal mounting structure of the ladder fitness device according to claim 1, characterized in that: The distance between the first track wheel and the second track wheel is equal to the thickness of the ladder frame upright.

3. The foot pedal mounting structure of the ladder fitness device according to claim 1, characterized in that: The second track wheel has two parts, and the two second track wheels are arranged in parallel and are both located at the same horizontal height on the two walls of the U-shaped mounting groove. The distance from the midpoint of the distance between the two second track wheels to the first track wheel is equal to the thickness of the ladder frame upright.

4. The foot pedal mounting structure of the ladder fitness device according to claim 1, characterized in that: The mounting base includes a first base body and a second base body fixedly connected to the first base body. The bottom two sides of the first base body have first baffles. The two first baffles and the bottom of the first base body form the U-shaped mounting groove. The top surface of the second base body is fixedly connected to the pedal.

5. The foot pedal mounting structure of the ladder fitness device according to claim 4, characterized in that: The second base has two second baffles on both sides of its bottom edge. The two second baffles and the bottom of the second base together form a U-shaped storage groove. The width of the U-shaped storage groove is greater than the width of the U-shaped mounting groove. The first base is located in the U-shaped storage groove and is rotatably connected to the U-shaped storage groove through a first rotating shaft. When the U-shaped storage groove rotates relative to the first base, the first base can be stored in the U-shaped storage groove.

6. The foot pedal mounting structure of the ladder fitness device according to claim 5, characterized in that: The second seat body is rotatably connected to a support arm via the second rotating shaft on the side away from the first rotating shaft. The support arm is provided with an abutment step and has an insertion part at the lower end. The first seat body is provided with a fixing hole that cooperates with the insertion part. After the insertion part is inserted into the fixing hole, it abuts against the step and against the first seat body to support the second seat body.

7. The foot pedal mounting structure of the ladder fitness device according to claim 4, characterized in that: The second seat is provided with a snap-fit ​​hole, and the bottom of the foot pedal is provided with a snap-fit ​​post that extends into the snap-fit ​​hole and engages with the snap-fit ​​hole.

8. The foot pedal mounting structure of the ladder fitness device according to claim 7, characterized in that: The bottom of the foot pedal is provided with several horizontal and vertical intersecting reinforcing ribs. The reinforcing ribs have concave limiting grooves near the middle of the foot pedal. The shape of the limiting grooves matches the grooves of the second mounting base. The locking post is located in the limiting groove. When the second mounting base is locked in the limiting groove, the reinforcing ribs limit the foot pedal in both the horizontal and vertical directions.

9. The foot pedal mounting structure of the ladder fitness device according to claim 1, characterized in that: The top surface of the foot pedal is provided with anti-slip texture.

10. The foot pedal mounting structure of the ladder fitness device according to claim 1, characterized in that: The top surface of the pedal is provided with an anti-slip guard along its edge, and the anti-slip guard has a groove for the foot to be inserted. The groove is located on the rear side of the pedal.

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