Inflation and deflation circuit of air bag damping treadmill

Abstract

The utility model relates to the technical field of treadmills, in particular to an air inflation and deflation circuit of an air bag damping treadmill, an electromagnetic valve group is arranged between an air pump and a plurality of inflation air bags, and the electromagnetic valve group is provided with an air source connector, a deflation port communicated with the external atmosphere and load connectors with the same number as the inflation air bags. One end of each load air pipe is connected to the corresponding load interface, the other end of each load air pipe is connected to the corresponding inflatable air bag, the action of the electromagnetic valve group is switched to be communicated with the air pump and each inflatable air bag in an inflation state, and the action of the electromagnetic valve group is switched to be communicated with each inflatable air bag and external atmosphere in a deflation state; in the closed state, the action is switched to disconnect the air bag from the outside, independent inflation and deflation can be achieved, synchronous inflation and deflation of multiple air bags can also be achieved, the air path is simplified, the integration degree is high, and installation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to treadmill technical field, concretely relates to a kind of gasbag shock-absorbing treadmill's inflation and deflation path. BACKGROUND

[0002] Treadmill is commonly used fitness equipment, widely used in family and commercial fitness places. In order to reduce the impact of running platform, shock-absorbing device is generally arranged between running board and chassis. The types of shock-absorbing device are numerous, including rubber shock-absorbing, silica gel shock-absorbing, spring shock-absorbing and airbag shock-absorbing appeared in recent years. For airbag shock-absorbing treadmill, air pump is needed to inflate and deflate airbag. Chinese patent publication No. CN206275968U discloses a self-adaptive running platform with airbag assembly, airbag assembly is installed on main support, airbag assembly includes left airbag and right airbag, left and right airbags are in gas communication through air guide pipe, and the function of adjusting the softness and hardness of running board can be achieved by inflating and deflating airbag assembly. However, the inflation and deflation path of such airbag can only inflate and deflate different airbags synchronously, and cannot achieve separate inflation and deflation operation. Since the softness and hardness adjustment requires air pump to inflate, deflate and close airbag, if separate inflation and deflation is required, independent electromagnetic valve and air release valve need to be provided, and if one air pump supplies multiple airbags, multiple-way electromagnetic valve needs to be added between air pump and airbag path. Therefore, the integration of inflation and deflation path is not good. SUMMARY

[0003] The utility model aims at providing a kind of gasbag shock-absorbing treadmill's inflation and deflation path, simplify gas path, high integration, easy to install.

[0004] To achieve the above purpose, the utility model adopts the technical scheme that:

[0005] The inflation and deflation path of airbag shock-absorbing treadmill is located between air pump and two or more inflation airbags, and the inflation and deflation path includes electromagnetic valve group and load air pipe with the same number as inflation airbag, the electromagnetic valve group has gas source interface, air release port in communication with external atmosphere and load interface with the same number as inflation airbag, one end of each load air pipe is connected to corresponding load interface and the other end is connected to corresponding inflation airbag, and the gas source interface is connected to air pump.

[0006] Preferably, the electromagnetic valve group comprises a busbar and a deflation electromagnetic valve and the same number of charging and discharging electromagnetic valves mounted on the busbar, the load interface, the gas source interface and the deflation port are located on the busbar, the busbar is also provided with an air inlet channel connecting the gas source interface with the air inlet end of each charging and discharging electromagnetic valve and the air inlet end of the deflation electromagnetic valve and a plurality of air outlet channels respectively connecting the load interface and the air outlet end of the corresponding charging and discharging electromagnetic valve and the air outlet end of the deflation electromagnetic valve, the air outlet end of each charging and discharging electromagnetic valve is connected to the different load interface through the corresponding air outlet channel, and the air outlet end of the deflation electromagnetic valve is connected to the deflation port through the corresponding air outlet channel.

[0007] Preferably, the deflation electromagnetic valve and the charging and discharging electromagnetic valve are both two-position two-normal-closed electromagnetic valves.

[0008] Preferably, the charging and discharging electromagnetic valve and the deflation electromagnetic valve are electrically connected to the controller.

[0009] Preferably, the number of the inflatable air bags is two or four, and the gas source interface is one.

[0010] Preferably, the load air pipe comprises an intermediate joint and a first air pipe and a second air pipe connected to the intermediate joint respectively, two ends of the first air pipe are connected to a first interface of the intermediate joint and a corresponding inflatable air bag respectively, and two ends of the second air pipe are connected to a second interface of the intermediate joint and a corresponding load interface respectively.

[0011] Preferably, the intermediate joint is a three-way joint, a third interface of the three-way joint is connected with a gas pressure sensor through a third air pipe, and the gas pressure sensor is electrically connected to the controller.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model discloses an electromagnetic valve group between the air pump and a plurality of inflatable air bags, the electromagnetic valve group has a gas source interface, a deflation port communicating with the external atmosphere and the same number of load interfaces as the inflatable air bags, one end of each load air pipe is connected to the corresponding load interface and the other end is connected to the corresponding inflatable air bag, in the inflation state, the electromagnetic valve group is switched to conduct the air pump and each inflatable air bag, in the deflation state, the electromagnetic valve group is switched to conduct each inflatable air bag and the external atmosphere, and in the closed state, the action is switched to disconnect the air bag and the external passage, which can realize single inflation and deflation, also can realize multiple synchronous inflation and deflation, simplifies the gas circuit, has high integration and is convenient to install. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the busbar structure schematic drawing of the utility model electromagnetic valve group.

[0015] Figure 2The utility model discloses a gas pump supplies two inflatable air bags for the inflation and deflation path schematic drawing.

[0016] Figure 3 The utility model discloses a gas pump supplies four inflatable air bags for the inflation and deflation path schematic drawing.

[0017] Mark in drawing: 10, gas pump;20, inflatable air bag;31, confluence plate;32, charge-discharge solenoid valve;33, deflation solenoid valve;311, gas source interface;312, load interface;313, deflation port;314, air inlet channel;315, air outlet channel;41, first air pipe;42, second air pipe;43, third air pipe;44, intermediate joint;50, air pressure sensor. Specific implementation

[0018] In order to let the above-mentioned features and advantages of the utility model more obvious easy to understand, the following specific example is raised, and cooperation drawing is as follows detailedly explained.

[0019] The utility model provides a kind of inflation and deflation path of air bag shock-absorbing treadmill, between gas pump 10 and two or more inflatable air bags 20, for the airflow output by gas pump 10 is sent to corresponding inflatable air bag 20 and adjusts the hardness of inflatable air bag 20, the inflation and deflation path includes solenoid valve group and the load air pipe same as the number of inflatable air bag 20 respectively, by the closure of solenoid valve group to realize inflation, deflation and closed, to maintain the stable air pressure of inflatable air bag 20, when the air pressure of inflatable air bag 20 is big, it is hard, otherwise it is soft.

[0020] In the embodiment, the solenoid valve group includes confluence plate 31 and installs deflation solenoid valve 33 and charge-discharge solenoid valve 32 same as the number of inflatable air bag 20 on confluence plate 31, as Figure 1As shown, the busbar 31 is provided with a gas source interface 311, a gas exhaust port 313 communicating with the external atmosphere, a same number of load interfaces 312 as the inflating air bags 20, and an air inlet channel 314 and a plurality of air outlet channels 315, the air inlet channel 314 communicating the gas source interface 311 and the air inlet ends of the inflating and discharging electromagnetic valves 32 and the air exhaust ends of the discharging electromagnetic valves 33, and the air outlet channels 315 respectively communicating the load interfaces 312 and the air outlet ends of the corresponding inflating and discharging electromagnetic valves 32 and the air exhaust ends of the discharging electromagnetic valves 33, the air outlet ends of the inflating and discharging electromagnetic valves 32 are respectively communicated to different load interfaces 312 through corresponding air outlet channels 315, and the air outlet ends of the discharging electromagnetic valves 33 are communicated to the gas exhaust port 313 through corresponding air outlet channels 315; the gas source interface 311 is connected to the air pump 10 through a hose, and one end of each load air pipe is connected to the corresponding load interface 312 and the other end is connected to the corresponding inflating air bag 20. In this way, in the inflating state, the inflating and discharging electromagnetic valves 32 are switched to the conducting state in which the air inlet end and the air outlet end are communicated, and the discharging electromagnetic valves 33 are switched to the open state in which the air inlet end and the air outlet end are blocked, so that the airflow of the air pump 10 can be communicated with the corresponding inflating air bag 20 through the gas source interface 311, the air inlet channel 314, the air inlet end and the air outlet end of the inflating and discharging electromagnetic valves 32, the load interface 312, realizing the inflating of the inflating air bag 20 by the air pump 10; in the deflating state, the inflating and discharging electromagnetic valves 32 are switched to the conducting state in which the air inlet end and the air outlet end are communicated, and the discharging electromagnetic valves 33 are also switched to the conducting state, so that the airflow of the inflating air bag 20 can be communicated with the external atmosphere through the load interface 312, the air outlet end and the air inlet end of the inflating and discharging electromagnetic valves 32, the air inlet channel 314, the air inlet end and the air outlet end of the discharging electromagnetic valves 33, and the gas exhaust port 313, realizing the deflation of the inflating air bag 20; in the closing state, the inflating and discharging electromagnetic valves 32 are switched to the open state, and the discharging electromagnetic valves 33 are also switched to the open state, realizing the closing of the inflating air bag 20.

[0021] In the embodiment, the load air pipe includes an intermediate joint 44, a first air pipe 41 and a second air pipe 42 connected to the intermediate joint 44 respectively, the intermediate joint 44 is a three-way joint, two ends of the first air pipe 41 are connected to a first interface of the intermediate joint 44 and a corresponding inflating air bag 20 respectively, two ends of the second air pipe 42 are connected to a second interface of the intermediate joint 44 and a corresponding load interface 312 respectively, a third interface of the three-way joint is connected to a gas pressure sensor 50 through a third air pipe 43, and the gas pressure sensor 50 is electrically connected to the controller.

[0022] The air release electromagnetic valve 33 and the charge-discharge electromagnetic valve 32 are both two-position two normally closed electromagnetic valves and are electrically connected to the controller, and specifically, a T103 series micro electromagnetic valve of Zhejiang Ousite Electronics Technology can be selected, the air pressure sensor 50 selects an MCP-H10 series sensor of Shandong Aidi Electronics Information Technology, and an STM32G070CBT6 is used as the controller chip; the controller collects the air pressure signal of the air pressure sensor 50 and controls the electromagnetic valve to be turned on and turned off through power-on and power-off, which is a mature technical means. It should be noted that the power-on and power-off of the charge-discharge electromagnetic valve 32 and the air release electromagnetic valve 33 in the embodiment can also be manually controlled.

[0023] As shown in Figure 2 The number of the inflatable air bags 20 is two, and the air source interface 311 is one, and one air pump 10 inflates two inflatable air bags 20, and the two inflatable air bags 20 are installed on the left and right sides of the running board on the treadmill.

[0024] As shown in Figure 3 The number of the inflatable air bags 20 is four, and the air source interface 311 is one, and one air pump 10 inflates four inflatable air bags 20, and the four inflatable air bags 20 are installed on the left and right sides of the running board on the treadmill.

[0025] The basic principles, main features and advantages of the present application are shown and described above, and those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A gas charging and discharging path of an air bag shock-absorbing treadmill, characterized in that: The inflation and deflation path is located between the air pump and two or more inflatable air bags, the inflation and deflation path comprises an electromagnetic valve group and the same number of load air pipes as the number of inflatable air bags, the electromagnetic valve group has a gas source interface, a gas exhaust port connected to the external atmosphere, and the same number of load interfaces as the number of inflatable air bags, one end of each load air pipe is connected to the corresponding load interface and the other end is connected to the corresponding inflatable air bag, and the gas source interface is connected to the air pump.

2. The inflating and deflating path of the air bag shock-absorbing treadmill according to claim 1, wherein: The electromagnetic valve group comprises a busbar and a deflation electromagnetic valve and the same number of inflation and deflation electromagnetic valves mounted on the busbar, the load interface, the gas source interface, and the gas exhaust port are all located on the busbar, the busbar also has an air inlet channel connecting the gas source interface and the air inlet end of each inflation and deflation electromagnetic valve and the air inlet end of the deflation electromagnetic valve, and a plurality of air outlet channels respectively connecting the load interface and the air outlet end of the corresponding inflation and deflation electromagnetic valve and the air outlet end of the deflation electromagnetic valve, the air outlet end of each inflation and deflation electromagnetic valve is connected to a different load interface through the corresponding air outlet channel, and the air outlet end of the deflation electromagnetic valve is connected to the gas exhaust port through the corresponding air outlet channel.

3. The inflating and deflating path of the air bag shock-absorbing treadmill according to claim 2, wherein: The deflation electromagnetic valve and the inflation and deflation electromagnetic valve are both two-position two-normal-closed electromagnetic valves.

4. The inflating and deflating path of the air bag shock-absorbing treadmill according to claim 2, wherein: The inflation and deflation electromagnetic valve and the deflation electromagnetic valve are both electrically connected to the controller.

5. The inflating and deflating path of the air bag cushioning running machine according to claim 1 or 2, characterized in that: The number of inflatable air bags is two or four, and the gas source interface is one.

6. The inflating / deflating path of the air bag cushioning running machine according to claim 1 or 2, characterized in that: The load air pipe comprises an intermediate joint and a first air pipe and a second air pipe connected to the intermediate joint, respectively, both ends of the first air pipe are connected to the first interface of the intermediate joint and the corresponding inflatable air bag, respectively, and both ends of the second air pipe are connected to the second interface of the intermediate joint and the corresponding load interface, respectively.

7. The inflating and deflating path of the air bag shock-absorbing treadmill according to claim 6, wherein: The intermediate joint is a three-way joint, the third interface of the three-way joint is connected with a gas pressure sensor through a third air pipe, and the gas pressure sensor is electrically connected to the controller.

Images