Elliptical machine and gradient sliding rail structure thereof

Abstract

The utility model discloses an elliptical machine and a gradient sliding rail structure thereof. The gradient sliding rail structure comprises a sliding rail assembly and a gradient adjusting mechanism. The sliding rail assembly comprises two parallel sliding rail pipes, the front ends of the sliding rail pipes are connected through an upper connecting pipe, the rear ends of the sliding rail pipes are rotationally connected with a support of the elliptical machine, sliding grooves are formed in the sliding rail pipes, and pulleys are arranged at the front ends of pedal pipes of the elliptical machine. The gradient adjusting mechanism comprises two gear pieces arranged in parallel, a gear adjusting mandrel and a gear adjusting knob, the gear pieces are fixed to a support of the elliptical machine, comb-shaped comb-shaped holes are formed in the gear pieces, and comb teeth are tooth grooves and are obliquely arranged downwards; two gear adjusting sheets are arranged on the upper connecting pipe, a cross beam is connected between the two gear adjusting sheets, and one end of a gear adjusting knob penetrates through the cross beam and is fixed with a gear adjusting mandrel; the end of the adjusting blocking piece is a clamping end, a clamping hole is formed in the clamping end, the gear adjusting mandrel can be clamped in different tooth grooves, and the two ends of the gear adjusting mandrel are fixed in the clamping hole. The gradient is adjustable, and movement is smooth.

Description

Technical Field

[0001] The utility model relates to a slide rail structure used on fitness equipment and an elliptical machine using the slide rail structure. Background Art

[0002] The elliptical machine is a common fitness equipment. Most of the elliptical machines on the market are as follows: Figure 1 As shown, it mainly includes a bracket 14, an armrest, a pedal 11, a master and slave wheels, etc. The purpose of exercise is achieved by stepping on the pedals 11 with both feet in sequence and swinging back and forth in sequence by holding the armrests with both hands. The pedals 11 are installed on the pedal tube 12, and the front end of the pedal tube 12 is rotatably connected to the bottom end of the lower armrest 13 of the lower section of the armrest so that the armrest and the pedal tube 12 can swing with each other. Since the pedal tube 12 is set without a slope and the angle cannot be adjusted, the exercise method is simple and not smooth enough during exercise, and the user experience is poor. The above problems need to be improved. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a slide rail structure with adjustable slope and an elliptical machine using the same. The slide rail structure is simple, the slope is adjustable, the adjustment is simple, and the elliptical machine moves smoothly when used.

[0004] In order to solve the above technical problems, the utility model first discloses an elliptical machine slope slide rail structure, including a slide rail assembly and a slope adjustment mechanism;

[0005] The slide rail assembly includes two parallel slide rail tubes, the front ends of the two slide rail tubes are connected by an upper connecting tube, and the rear ends are rotatably connected to the bracket of the elliptical machine. The slide rail tubes are provided with a slide groove, and the front ends of the pedal tubes of the elliptical machine are provided with a pulley that can roll along the slide groove;

[0006] The slope adjustment mechanism includes two parallel gear plates, a gear adjustment core shaft, and a gear adjustment knob. The gear plates are fixed on the bracket of the elliptical machine. A comb-shaped comb hole is opened on the gear plate. The comb-shaped comb teeth are tooth grooves and are arranged obliquely downward; two gear adjustment plates are arranged on the upper connecting tube, and a crossbeam is connected between the two adjustment gear plates. One end of the gear adjustment knob passes through the crossbeam and is fixed to the gear adjustment core shaft; the end of the adjustment gear plate is a clamping end, and a clamping hole is provided on the clamping end. The clamping hole is a waist hole. The gear adjustment core shaft can be clamped in different tooth grooves, and both ends are fixed in the clamping holes.

[0007] Furthermore, a lower connecting tube is provided at the rear end of each slide rail tube, a slide rail connecting tube is fixed on the bracket of the elliptical machine, and a slide rail connecting core shaft passes through the lower connecting tube at one end, the slide rail connecting tube and the lower connecting tube at the other end in sequence, so that the rear end of the slide rail tube can be rotatably connected to the bracket of the elliptical machine.

[0008] Furthermore, a U-seat is provided below the front end of the pedal tube of the elliptical machine, and the pulley is installed in the U-seat.

[0009] Furthermore, a shift tooth is provided between two adjacent tooth grooves on the shift plate, and a protrusion is provided on the upper portion of the head of the shift tooth.

[0010] Furthermore, one end of the gear adjustment knob passes through the crossbeam and then passes through a spring to be fixed to the gear adjustment core shaft.

[0011] Furthermore, a limit sleeve is provided on the crossbeam connecting the adjustment baffles. After one end of the gear adjustment knob passes through the crossbeam, it passes through the limit sleeve and the spring in sequence and is fixed to the gear adjustment core shaft.

[0012] Furthermore, the pulley adopts a silent polyurethane double-bearing wheel.

[0013] The utility model also discloses an elliptical machine adopting the aforementioned elliptical machine slope slide rail structure, wherein the slide rail assembly is fixed to the base of the elliptical machine bracket through a slide rail connecting pipe; the bottom of the adjustment baffle is fixed to the base, and the rear side is fixed to the column.

[0014] Furthermore, the elliptical machine also includes an arc plate assembly, which includes two arc plate bodies, a connecting plate is connected between the two arc plate bodies, the front end of the arc plate body is rotatably connected to the lower armrest of the elliptical machine, and the rear end is rotatably connected to the front end of the pedal tube.

[0015] Furthermore, a limiting screw is provided on the arc-shaped plate body near the pedal tube.

[0016] The utility model's slide rail tube with a slide groove forms the travel and trajectory of the pulley movement. During exercise, the stride length is lengthened, which has a cushioning effect on the knees and better protects the knees. It also has the advantages of being wear-resistant, smooth, stable, non-derailing, quiet, and smooth and non-stuck during exercise. The gear adjustment plate, combined with the gear adjustment knob, gear plate, and gear adjustment mandrel, allows the slide rail tube to be adjusted to different slopes to meet different exercise needs. The pulley uses a silent polyurethane double-bearing wheel, which is quiet and more silky and smooth during exercise. The curved plate assembly can provide a cushioning effect during exercise and is more aesthetically pleasing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of an existing elliptical machine;

[0018] Figure 2 This is a schematic diagram of the overall structure of the elliptical machine of the present invention;

[0019] Figure 3 This is a schematic diagram of the overall structure of the elliptical machine from another angle of the present invention;

[0020] Figure 4 This is a schematic diagram of a partial explosion structure of the utility model;

[0021] Figure 5 It is an enlarged schematic diagram of the structure of the slide rail assembly of the utility model;

[0022] Figure 6 This is an enlarged structural diagram of the shift plate of the utility model;

[0023] Figure 7 This is an enlarged structural diagram of the arc-shaped plate assembly of the utility model;

[0024] Figure 8 This is a schematic diagram of the installation relationship between the gear adjustment knob and the gear adjustment core shaft of the utility model;

[0025] Figure 9 This is a schematic diagram of the overall structure of the elliptical machine of the present invention;

[0026] Figure 10 for Figure 9 An enlarged structural diagram of the pull gear adjustment knob at B;

[0027] Figure 11 In accordance with Figure 10 Schematic diagram of the movement direction of the gear adjustment spindle after pulling the gear adjustment knob;

[0028] Figure 12 Adjust the mandrel for the gear position according to Figure 11 The diagram shown is a schematic diagram of readjusting the gear after exercising safely.

[0029] Numbers in the figure: A-slide rail assembly; 1-slide rail tube; 1.1-slide groove; 2-upper connecting tube; 3-lower connecting tube; 4-gear adjustment plate; 4.1-crossbeam; 4.2-limiting sleeve; 4.3-clamping end; 4.4-clamping hole; 5-gear plate; 5.1-comb-shaped hole; 5.2-tooth groove; 5.3-gear tooth; 6-gear adjustment knob; 6.1-spring; 7-gear adjustment core shaft; 8-pulley; 9-slide rail connecting tube; 10-slide rail connecting core shaft; 11-foot pedal; 12-foot pedal tube; 12.1-U seat; 13-lower armrest; 14-bracket; 14.1-column; 14.2-base; 14.3-front crossbeam; 15-arc plate assembly; 15.1-arc plate body; 15.2-connecting plate; 15.3-limiting screw. DETAILED DESCRIPTION

[0030] The following examples are used to further explain the present invention. The following examples are only used to illustrate the present invention, but are not intended to limit the scope of implementation of the present invention.

[0031] The utility model determines the front and back according to the direction of the user's body when the user is using the device.

[0032] Example 1

[0033] The slope slide rail structure of the elliptical machine of the present invention mainly includes a slide rail assembly A and a slope adjustment mechanism;

[0034] Slide rail assembly A Figure 5 As shown, it includes two parallel slide rail tubes 1, the front ends of the two slide rail tubes 1 are connected by an upper connecting tube 2, and the rear ends of the two slide rail tubes 1 are each provided with a lower connecting tube 3.

[0035] The support 14 of the elliptical machine includes a base 14.2 located at the bottom and a column 14.1 standing on the base 14.2.

[0036] A slide rail connecting tube 9 is fixed to the base 14.2. A slide rail connecting core shaft 10 passes through the lower connecting tube 3 at one end, the slide rail connecting tube 9, and the lower connecting tube 3 at the other end in sequence, so that the rear end of the slide rail tube 1 can be rotatably connected to the base 14.2 of the bracket 14 of the elliptical machine. In order to ensure a firm installation and smooth rotation, shaft sleeves are provided at both ends of the lower connecting tube 3 and the slide rail connecting tube 9. After connecting the upper slide rail connecting core shaft 10, flat washers, umbrella head hexagon socket screws and other parts are further provided at both ends. Figure 4 .

[0037] A slide groove 1.1 is provided on the slide rail tube 1, and a U-base 12.1 is provided at the lower front end of the pedal tube 12 of the elliptical machine. A pulley 8 is fixed to the U-base 12.1 by means of an umbrella head hexagon socket screw, a nut and a flat washer. The bottom of the pulley 8 is embedded in the slide groove 1.1 and can roll back and forth along the slide groove 1.1. The pulley 8 adopts a silent polyurethane double-bearing wheel.

[0038] The slope adjustment mechanism mainly includes two parallel gear plates 5, a gear adjustment core shaft 7, and a gear adjustment knob 6.

[0039] Shift piece 5 Figure 6 As shown, a comb-shaped hole 5.1 is formed on the upper surface of the gear, and the comb teeth are tooth grooves 5.2, which are arranged obliquely downward. Between two adjacent tooth grooves 5.2 is a gear tooth 5.3, and the gear tooth 5.3 has a protrusion at the upper part of the head. In this embodiment, there are four tooth grooves 5.2, and the slope can be adjusted in four gears.

[0040] The shift plate 5 is fixed to the bracket 14 of the elliptical machine, specifically, the bottom is fixed to the base 14.2, and the rear side is fixed to the column 14.1.

[0041] Two gear adjustment plates 4 are provided on the upper connecting tube 2, and the gear adjustment plates 4 can rotate around the upper connecting tube 2. A crossbeam 4.1 is connected between the two adjustment plates 4. A limiting sleeve 4.2 is provided on the crossbeam 4.1 on one side of the gear plate 5. The end of the adjustment plate 4 is a clamping end 4.3, and a clamping hole 4.4 is provided on the clamping end 4.3, and the clamping hole 4.4 is a waist hole.

[0042] One end of the gear adjustment knob 6 passes through the crossbeam 4.1 and the limiting sleeve 4.2 in sequence, and then passes through a spring 6.1, and is fixed to the gear adjustment core shaft 7 through a threaded connection.

[0043] The ends of the gear adjustment spindle 7 are locked in the engaging holes 4.4 and fixed by large flat head screws to prevent it from falling out of the engaging holes 4.4. The gear adjustment spindle 7 can move along the engaging holes 4.4. The main body of the gear adjustment spindle 7 can be locked into different tooth grooves 5.2, and different tooth grooves 5.2 correspond to different slope gears.

[0044] In addition to the aforementioned slide rail assembly and slope adjustment mechanism, in order to further improve the comfort of the elliptical machine, the present invention also provides an arc plate assembly 15, such as Figure 7 As shown, the curved plate assembly 15 includes two curved plate bodies 15.1, with a connecting plate 15.2 connected between the two curved plate bodies 15.1 to increase strength. The front end of the curved plate body 15.1 is rotatably connected to the lower armrest 13 of the elliptical machine, and the rear end is rotatably connected to the front end of the pedal tube 12. Both are fixedly connected by umbrella-head hexagon socket head screws, nut, and sheet gaskets. A limit screw 15.3 is provided on the curved plate body 15.1 near the pedal tube 12 to limit the front end of the pedal tube 12 and ensure safety.

[0045] The elliptical machine with the slide rail assembly A, the slope adjustment mechanism and the arc plate assembly 15 is as follows: Figure 2 、 Figure 3 、 Figure 9 As shown, the exploded structure diagram of the slide rail assembly A, the slope adjustment mechanism and the arc plate assembly 15 on the elliptical machine is shown in FIG. Figure 4 shown.

[0046] When a user exercises, they pull the armrests and simultaneously step on the pedals 11, causing relative rotation between the lower armrest 13 and the curved plate assembly 15, and between the curved plate assembly 15 and the pedal tube 12. This provides a cushioning effect and enhances the appearance. Pulley 8 rolls along the chute 1.1, ensuring smooth movement without derailment and a long range of motion.

[0047] When the movement slope needs to be adjusted, pull the handle of the gear adjustment knob 6 forward, as shown in FIG. Figure 10At this time, the spring 6.1 is compressed, and the two ends of the gear adjustment core shaft 7 move forward from the rear end of the clamping hole 4.4, as shown. Figure 11 As shown; at the same time, the gear adjustment core shaft 7 is disengaged from the original fixed tooth groove 5.2, and the gear adjustment plate 4 is turned up or down to align with the tooth groove 5.2 to be inserted. Loosen the gear adjustment knob 6, and under the rebound force of the spring 6.1, the gear adjustment core shaft 7 is inserted into the new tooth groove 5.2. Figure 12 The gears can be adjusted step by step or by skipping.

Claims

1. An elliptical machine slope slide rail structure, characterized by: It includes a slide rail assembly A and a slope adjustment mechanism; The slide rail assembly A comprises two parallel slide rail tubes (1), the front ends of the two slide rail tubes (1) being connected via an upper connecting tube (2), and the rear ends being rotatably connected to a bracket (14) of an elliptical machine, a slide groove (1.1) being provided on the slide rail tubes (1), and a pulley (8) capable of rolling along the slide groove (1.1) being provided at the front end of a pedal tube (12) of the elliptical machine; The slope adjustment mechanism comprises two parallel-arranged shift plates (5), a shift adjustment core shaft (7), and a shift adjustment knob (6); the shift plate (5) is fixed on a bracket (14) of an elliptical machine; a comb-shaped comb hole (5.1) is provided on the shift plate (5); the comb teeth of the comb are tooth grooves (5.2) and are arranged obliquely downward; two shift adjustment plates (4) are provided on the upper connecting tube (2); and the two adjustment shift plates ( 4) is connected with a crossbeam (4.1), one end of the gear adjustment knob (6) passes through the crossbeam (4.1) and is fixed to the gear adjustment core shaft (7); the end of the adjustment baffle (4) is a clamping end (4.3), and the clamping end (4.3) is provided with a clamping hole (4.4), and the clamping hole (4.4) is a waist hole. The gear adjustment core shaft (7) can be clamped in different tooth grooves (5.2), and both ends are fixed in the clamping hole (4.4).

2. The elliptical machine slope slide rail structure according to claim 1, characterized in that: The rear ends of the slide rail tubes (1) are each provided with a lower connecting tube (3), a slide rail connecting tube (9) is fixed on the bracket (14) of the elliptical machine, and a slide rail connecting core shaft (10) sequentially passes through the lower connecting tube (3) at one end, the slide rail connecting tube (9) and the lower connecting tube (3) at the other end, so that the rear ends of the slide rail tubes (1) are rotatably connected to the bracket (14) of the elliptical machine.

3. The elliptical machine slope slide rail structure according to claim 1, characterized in that: A U-seat (12.1) is provided below the front end of the pedal tube (12) of the elliptical machine, and a pulley (8) is installed in the U-seat (12.1).

4. The elliptical machine slope slide rail structure according to claim 1, characterized in that: A shift tooth (5.3) is provided between two adjacent tooth grooves (5.2) on the shift plate (5), and a protrusion is provided at the upper portion of the head of the shift tooth (5.3).

5. The elliptical machine slope slide rail structure according to claim 1, characterized in that: One end of the gear adjustment knob (6) passes through the crossbeam (4.1) and then passes through a spring (6.1) to be fixed to the gear adjustment core shaft (7).

6. The elliptical machine slope slide rail structure according to claim 5, characterized in that: A limit sleeve (4.2) is provided on a crossbeam (4.1) connected between the adjustment baffles (4); one end of the gear adjustment knob (6) passes through the crossbeam (4.1), and then passes through the limit sleeve (4.2) and the spring (6.1) in sequence, and is fixed to the gear adjustment core shaft (7).

7. The elliptical machine slope slide rail structure according to claim 1, characterized in that: The pulley (8) is a silent polyurethane double-bearing wheel.

8. An elliptical machine using the elliptical machine slope slide rail structure according to any one of claims 1 to 7, characterized in that: The slide rail assembly A is fixed to the base (14.2) of the bracket (14) of the elliptical machine through the slide rail connecting pipe (9); the bottom of the adjustment baffle (4) is fixed to the base (14.2), and the rear side is fixed to the column (14.1).

9. The elliptical machine according to claim 8, characterized in that: The elliptical machine further comprises an arc-shaped plate assembly (15), the arc-shaped plate assembly (15) comprising two arc-shaped plate main bodies (15.1), a connecting plate (15.2) being connected between the two arc-shaped plate main bodies (15.1), a front end of the arc-shaped plate main body (15.1) being rotatably connected to a lower armrest (13) of the elliptical machine, and a rear end thereof being rotatably connected to a front end of a pedal tube (12).

10. The elliptical machine according to claim 9, characterized in that: A limiting screw (15.3) is provided on the arc-shaped plate main body (15.1) near the pedal tube (12).

Images