Frameless air bag mounting structure of anti-gravity treadmill

Abstract

The utility model discloses an anti-gravity treadmill frameless air bag installation structure, which comprises an installation structure arranged among a treadmill main frame, an air bag and a chassis main frame, the installation structure comprises a screw, a circular gasket, a sleeve and a welding nut, and the air bag is sleeved on the surface of the treadmill main frame and located at the top of the chassis main frame. The top end of the sleeve penetrates through the chassis main frame and the air bag at the same time and is inserted into the inner side of the treadmill main frame, the welding nut is welded and fixed to the top surface of the treadmill main frame, the screw penetrates through the inner side of the sleeve, and the screw penetrates through the top of the treadmill main frame to be in threaded connection with the welding nut; the mounting structure further comprises a sealing gasket assembly. Through the synergistic effect of the screw, the circular gasket, the sealing gasket, the welding nut and the sleeve, quick installation of the air bag is achieved, meanwhile, it is guaranteed that good sealing performance is achieved after installation, and double optimization of the installation efficiency and the sealing performance of the whole air bag installation structure is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of anti-gravity treadmill, specifically relates to a kind of frameless air bag mounting structure of anti-gravity treadmill. BACKGROUND

[0002] As an innovative exercise equipment, anti-gravity treadmill can effectively reduce joint pressure of exercisers and reduce the risk of exercise injury by simulating the exercise state in a low-gravity environment. It is especially suitable for rehabilitation training, physical fitness improvement of professional athletes and public fitness scenarios. One of the core components of anti-gravity treadmill is the air bag system, which dynamically controls the support force between the human body and the treadmill through air pressure adjustment to achieve weight loss effect.

[0003] Currently, the connection method of air bag and treadmill main frame generally adopts traditional frame type mounting structure, that is, the air bag edge is wrapped with metal frame, and then bolted or welded to the main frame. This type of structure has the following significant defects:

[0004] 1. Low installation efficiency: metal frame needs to be assembled in advance, and then the relative position of air bag and frame needs to be adjusted one by one, which is complex and time-consuming.

[0005] 2. Insufficient sealing performance: the multi-layered structure between the frame and the air bag is prone to assembly gap, which causes air leakage or poor air pressure stability, affecting the safety and service life of the equipment.

[0006] 3. Low space utilization: the frame structure occupies additional volume, limiting the miniaturization and lightweight design of the equipment.

[0007] Therefore, the utility model provides a frameless air bag mounting structure for anti-gravity treadmill. Utility model content

[0008] The utility model aims to provide a frameless air bag mounting structure for anti-gravity treadmill to solve the problems raised in the background technology.

[0009] To achieve the above purpose, the utility model provides the following technical scheme: a frameless air bag mounting structure for anti-gravity treadmill, comprising

[0010] The mounting structure is arranged between the treadmill main frame, the air bag and the chassis main frame. The mounting structure comprises screws, round gaskets, sleeves and welded nuts. The air bag is sleeved on the surface of the treadmill main frame and located at the top of the chassis main frame. The top end of the sleeve penetrates the chassis main frame and the air bag and is inserted into the inside of the treadmill main frame. The welded nut is welded and fixed on the top surface of the treadmill main frame. The screw passes through the inside of the sleeve, and the order of the screw penetrates the top of the treadmill main frame and is threadedly connected with the welded nut.

[0011] The mounting structure further comprises a sealing gasket assembly.

[0012] Preferably, the circular gasket is sleeved on the bottom end surface of the screw and is in tight contact with the sleeve.

[0013] Preferably, the surface of the chassis main frame and the air bag is provided with a through hole for the sleeve to pass through.

[0014] Preferably, the bottom surface of the treadmill main frame is provided with a bottom insertion hole for the sleeve to insert.

[0015] Preferably, the top surface of the treadmill main frame is provided with a circular top hole for the screw to pass through, and the position of the circular top hole corresponds to the welding nut.

[0016] Preferably, the sealing gasket assembly is arranged between the treadmill main frame and the chassis main frame, and the sealing gasket assembly comprises an outer gasket and an inner gasket, and the outer gasket and the inner gasket are respectively arranged on the outer side and the inner side of the air bag.

[0017] Preferably, the bottom surface of the outer gasket is in tight contact with the chassis main frame, and the top surface of the inner gasket is in tight contact with the treadmill main frame.

[0018] Preferably, the top surface of the outer gasket is provided with two integral annular protrusions, and the bottom surface of the annular groove is provided with two annular grooves corresponding to the annular protrusions.

[0019] Compared with the prior art, the utility model has the beneficial effects that: through the cooperation of the screw, the circular gasket, the sealing gasket, the welding nut and the sleeve, the utility model realizes the quick installation of the air bag, guarantees good sealing performance after installation, realizes the double optimization of the installation efficiency and the sealing performance of the whole air bag installation structure. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a sectional view of the utility model;

[0021] Figure 2 is a sectional view of the utility model Figure 1 is a local enlarged view of area A in the utility model;

[0022] Figure 3 is a sectional view of the utility model Figure 2 is a local enlarged view of area B in the utility model;

[0023] Figure 4 is a sectional view of the utility model Figure 2 is a local enlarged view of area C in the utility model;

[0024] In the figure: 1, mounting structure; 11, screw; 12, round gasket; 13, sleeve; 14, sealing gasket assembly 141, outer gasket 142, inner gasket 143, annular protrusion; 144, annular groove 15, welding nut; 2, treadmill main frame; 21, round top hole; 22, bottom insertion hole; 3, air bag; 4, chassis main frame. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] EMBODIMENT

[0027] Please refer to Figures 1 to 4 For the embodiments of the utility model, the embodiments provide a technical scheme: a frameless air bag mounting structure of anti-gravity treadmill, comprising

[0028] The mounting structure 1 is arranged between the treadmill main frame 2, the air bag 3 and the chassis main frame 4, the mounting structure 1 comprises the screw 11, the round gasket 12, the sleeve 13 and the welding nut 15, the air bag 3 is sleeved on the surface of the treadmill main frame 2 and is located at the top of the chassis main frame 4, the top end of the sleeve 13 penetrates the chassis main frame 4 and the air bag 3 at the same time and is inserted into the inner side of the treadmill main frame 2, the welding nut 15 is welded and fixed on the top surface of the treadmill main frame 2, the screw 11 passes through the inner side of the sleeve 13, and the order of the screw 11 penetrates the top of the treadmill main frame 2 and is threadedly connected with the welding nut 15.

[0029] The mounting structure 1 further comprises the sealing gasket assembly 14.

[0030] In the embodiments, preferably, the round gasket 12 is sleeved on the bottom end surface of the screw 11 and is in pressure contact with the sleeve 13.

[0031] In the embodiments, preferably, the surfaces of the chassis main frame 4 and the air bag 3 are both provided with through holes for the sleeve 13 to pass through.

[0032] In the embodiments, preferably, the bottom surface of the treadmill main frame 2 is provided with a bottom insertion hole 22 for the sleeve 13 to insert into.

[0033] In the embodiments, preferably, the top surface of the treadmill main frame 2 is provided with a round top hole 21 for the screw 11 to penetrate, and the position of the round top hole 21 corresponds to the welding nut 15.

[0034] In the embodiment, preferably, the sealing gasket assembly 14 is arranged between the treadmill main frame 2 and the chassis main frame 4, the sealing gasket assembly 14 comprises an outer gasket 141 and an inner gasket 142, the outer gasket 141 and the inner gasket 142 are respectively located at the outer side and the inner side of the air bag 3, the bottom surface of the outer gasket 141 is in tight contact with the chassis main frame 4, the top surface of the inner gasket 142 is in tight contact with the treadmill main frame 2, the top surface of the outer gasket 141 is provided with two integral annular protrusions 143, and the bottom surface of the annular groove 144 is provided with two annular grooves 144 corresponding to the annular protrusions 143, the outer gasket 141, the annular protrusions 143 and the inner gasket 142 are all made of rubber material and can be elastically deformed when being extruded, when the subsequent screw 11 is locked, the outer gasket 141 and the inner gasket 142 are extruded, and the two annular protrusions 143 are pressed into the annular grooves 144, forming a structure of two annular seals, thereby fully ensuring the sealing performance of the installation position of the air bag 3.

[0035] In summary, in actual use, the air bag 3 is first sleeved on the treadmill main frame 2 and located at the top of the chassis main frame 4, so that the top end of the sleeve 13 can penetrate the air bag 3 and be inserted into the inner side of the treadmill main frame 2, at this time, the circular gasket 12 is sleeved on the bottom end surface of the screw 11, and the top end of the screw 11 is inserted into the sleeve 13, so that the top end of the screw 11 can penetrate to the top of the treadmill main frame 2 and be threadedly connected with the welded nut 15, at this time, the screw 11 is gradually tightened, so that the chassis main frame 4 can press the air bag 3 tightly on the bottom of the treadmill main frame 2, thereby completing the installation of the treadmill main frame 2, and when the chassis main frame 4 presses the air bag 3 tightly, the outer gasket 141 and the inner gasket 142 are also pressed tightly, and the annular protrusions 143 are extruded into the annular grooves 144, thereby ensuring the sealing performance of the installation position of the air bag 3.

[0036] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A frameless airbag installation structure for an anti-gravity treadmill, characterized in that: include An installation structure (1) is provided between the treadmill main frame (2), the airbag (3) and the chassis main frame (4). The installation structure (1) includes a screw (11), a circular washer (12), a sleeve (13) and a welding nut (15). The airbag (3) is sleeved on the surface of the treadmill main frame (2) and is located at the top of the chassis main frame (4). The top end of the sleeve (13) passes through both the chassis main frame (4) and the airbag (3) and is inserted into the inner side of the treadmill main frame (2). The welding nut (15) is welded and fixed to the top surface of the treadmill main frame (2). The screw (11) passes through the inner side of the sleeve (13) and the screw (11) threadedly passes through the top of the treadmill main frame (2) and is threadedly connected to the welding nut (15). The mounting structure (1) also includes a sealing gasket assembly (14).

2. The frameless airbag installation structure for an anti-gravity treadmill according to claim 1, characterized in that: The circular washer (12) is fitted onto the bottom surface of the screw (11) and pressed into contact with the sleeve (13).

3. The frameless airbag installation structure for an anti-gravity treadmill according to claim 1, characterized in that: Both the main frame of the chassis (4) and the airbag (3) have through holes for the sleeve (13) to pass through.

4. The frameless airbag installation structure for an anti-gravity treadmill according to claim 1, characterized in that: The bottom surface of the treadmill main frame (2) is provided with a bottom insertion hole (22) for inserting a sleeve (13).

5. The frameless airbag installation structure for an anti-gravity treadmill according to claim 1, characterized in that: The treadmill main frame (2) has a circular top hole (21) through which a screw (11) passes, and the position of the circular top hole (21) corresponds to the welding nut (15).

6. The frameless airbag installation structure for an anti-gravity treadmill according to claim 1, characterized in that: The sealing gasket assembly (14) is disposed between the treadmill main frame (2) and the chassis main frame (4). The sealing gasket assembly (14) includes an outer gasket (141) and an inner gasket (142), which are located on the outer and inner sides of the airbag (3), respectively.

7. The frameless airbag installation structure for an anti-gravity treadmill according to claim 6, characterized in that: The bottom surface of the outer washer (141) is pressed against the main frame of the chassis (4), and the top surface of the inner washer (142) is pressed against the main frame of the treadmill (2).

8. The frameless airbag installation structure for an anti-gravity treadmill according to claim 6, characterized in that: The top surface of the outer washer (141) is provided with two integral annular protrusions (143), and the bottom surface of the annular groove (144) is provided with two annular grooves (144) corresponding to the annular protrusions (143).

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