JP2518150Y2 - Pressure regulator - Google Patents

Description

[Detailed Description of the Invention] Purpose of the Invention (Field of Industrial Application) [0001] The present invention relates to a pressure regulator that discharges a pressurized fluid to the outside and regulates its pressure, and in particular a compressor, a pressure regulator, and an air distributor The present invention relates to a pressure adjuster suitable for a pneumatic massage device including a device and an airbag.

(Problems to be solved by the conventional technique and device) As shown in the use state diagram shown in FIG. 3 and the layout diagram shown in FIG. The compressed air supply device 22 is connected to the compressed air supply device 22 with a remote controller 23 or the like for adjusting a massage state by the user in a supine or prone posture.

Further, the pressurized air supply device 22 has a compressor 24, an air distributor 25, and a pressure regulator 26, and is arranged as shown in FIG.

When the remote controller 23 is operated to operate the compressor 24 to generate compressed air, the compressed air is
27 to the air distributor 25, and by the action of the air distributor 25, the pressurized air is sequentially supplied to and exhausted from the plurality of airbags 21 through the supply / exhaust pipe 28, and the series of airbags 21 is rhythmically expanded and contracted. This series of airbags is made by repeating exercise.
It has a function of directly giving a pressure stimulus to the body of a user lying on his back or lying down on the body 21 to perform an effective massage without exerting a strain on the body.

The pressure regulator 26 is a pipe connected in the middle of the pipe 27.
It is connected to 29, a part of the pressurized air sent from the compressor 24 is discharged to the outside from the pressure regulator 26, and the pressure of the pressurized air sent to the air distributor 25 is adjusted,
The air pressure inside the airbag 21 is adjusted to provide a comfortable pneumatic massage adapted to the physical condition of the user's muscles, tendons, etc. The adjustment of the air pressure is performed by operating the remote controller 23. It is like this.

FIG. 5 is a conventional example of the pressure regulator 26, which is Japanese Patent Publication No. 60-551.
It is a longitudinal cross-sectional view which shows the pressure regulator shown by the 39th publication.

In FIG. 5, 30 is a solenoid, 31 is an electromagnetic coil,
32 is a plunger, which is a lead wire 33 of the electromagnetic coil 31.
Is connected to a variable resistor built in the remote controller 23, and the voltage and current applied to the electromagnetic coil 31 are adjusted by this variable resistor to control the strength of the exciting force of the electromagnetic coil 31.

Further, 34 is a valve body and 35 is a sliding valve.
Is connected to the plunger 32 by a pin 36, and is adapted to reciprocate integrally with the plunger 32.

A pressurizing air inlet 34a is formed in the valve body 34, and the inlet 34a is connected to a pipe 29.

A valve seat 34b is formed by opening one end of the valve body 34 in a conical shape, and an outer peripheral surface of the one end of the sliding valve 35 spreads in a conical shape, and a packing 37 is attached to a part thereof. Therefore, when the sliding valve 35 moves rightward in FIG. 5 together with the plunger 32, the packing 37 contacts the valve seat 34b, and the pressurized air sent from the inlet 34a is not discharged.

When the sliding valve 35 moves to the left in the figure together with the plunger 32, the pressurized air sent from the inlet 34a is discharged from the gap between the valve seat 34b and the packing 37, and the discharge amount is It increases or decreases according to the amount of movement of the sliding valve 35. The amount of movement of the sliding valve 35 is such that the pressure of the pressurized air causes the sliding valve 35 to move to the left and the exciting force of the electromagnetic coil 31 moves the plunger 32 to the right. Is adjusted to a balanced position, and the exciting force of the electromagnetic coil 31 is adjusted by the variable resistor built into the remote controller 23 to adjust the voltage and current to adjust the moving amount of the sliding valve 35, and the pressure adjuster 26
The amount of pressurized air leaking from the
The pressure of the pressurized air sent to the air bag 21 through is adjusted.

However, in the pressure regulator 26 having the structure as shown in FIG. 5, when the electromagnetic coil 31 is energized for a long time, the electromagnetic coil 31 heats up to a high temperature, the exciting force is lowered, and the pressure regulator 26
The amount of pressurized air discharged from the
There is a problem that the adjustment of the air pressure becomes unstable, such as the air pressure of 21 decreases.

The pressure regulator of the present invention is intended to solve the above-mentioned problems and to provide a pressure regulator having more excellent functions.

Configuration of the Invention (Means for Solving the Problem) In order to achieve the above-mentioned object, the pressure regulator of the present invention is configured as follows.

A moving body is axially connected to a plunger driven by a solenoid, and the moving body is provided with one inlet for receiving a pressurized fluid and two outlets for discharging the fluid. The port and the discharge port communicate with each other inside the moving body,
A throttle device is provided at one of the outlets, and the other outlet is closed separately from the moving body in response to reciprocating movement of the moving body due to the action of the solenoid. The pressure of the pressurized fluid is adjusted by providing a closing member for opening and adjusting the discharge amount of the fluid from the discharge port.

(Operation) The pressure regulator of the present invention constructed as described above operates as follows.

The pressure regulator of the present invention is, for example, as shown in FIG.
It is used by being connected to a pipe 29 branched from the middle of a pipe 27 connecting the compressor 22 of the pneumatic massage device and the pneumatic distributor 25.

A part of the compressed air compressed by the compressor flows into the inlet through the flexible pipe.

A part of the pressurized air that has flowed into the inlet is discharged to the outside from one outlet communicating with the inlet and the inside of the moving body, and the discharge amount is adjusted by the expansion device provided at this outlet. To be done.

The rest of the pressurized air that has flowed into the introduction port is discharged to the outside from the other discharge port that communicates with the introduction port inside the moving body. However, since the moving body reciprocates due to the action of the solenoid connected in the axial direction, and the other discharge port is closed or opened depending on the relative position with the closing member, discharge from this discharge port is not possible. , Only when the outlet is opened.

In this way, the pressurized air sent from the inlet is
By the action of the solenoid, it is discharged from one outlet to the outside, or is discharged from both one outlet and the other outlet, and the amount of pressurized air discharged from the pressure regulator is
The former is small and the latter is large.

Therefore, the amount of air sent into the airbag via the air distributor is large in the former and small in the latter, and the air pressure in the airbag is switched between high pressure and low pressure suitable for pneumatic massage. .

Further, the high air pressure is adjusted by a throttle device provided at one of the outlets.

The pressure regulator of the present invention has two types of high pressure and low pressure as described above.
The pressure is adjusted in stages, and the cycle of rhythmic switching of the pressurized air by the air distributor is adjusted by the remote controller.

(Example) Next, one Example of the pressure regulator of this invention is described based on drawing.

1 is a side view, and FIG. 2 is XX of FIG.
It is sectional drawing of the arrow direction cut | disconnected on the line.

In FIGS. 1 and 2, 1 is a pressure regulator, 2 is a regulator body, 3 is a moving body, 4 is a solenoid, 5 is a plunger of the solenoid 4, 6 is a throttle device, and 7 is a closing member. Reference numeral 8 is a muffling element.

The solenoid 4 is fixed to the adjuster body 2 with machine screws 9, and the plunger 5 and the one end 3a of the moving body 3 are pinned.
Coaxially connected by 10.

An introduction port 3b is formed on the side of the moving body 3, and one discharge port 3c is formed at an axially symmetrical position to the introduction port 3b. A throttle device 6 is provided on this one discharge port 3c. Further, the other end 3d of the moving body 3 is formed with the other outlet 3e.

A rubber closing member 7 is attached to a portion 2a of the adjuster body 2 which faces the other outlet 3e.

Further, a silencer element 8 is attached to the portion 2b of the adjuster body 2 through which the air discharged from the other outlet 3e passes.

The spring 11 is for assisting the downward movement of the plunger 5 in FIG.

In FIG. 4, the compressor 22 of the pneumatic massage device
A pipe 29 is connected in the middle of the pipe connecting the air distributor 25 with the air distributor 25, and a pressure regulator 26 is connected to this pipe 29 so that the compressed air from the compressor 22 is supplied to and exhausted from each airbag 21. are doing.

Next, the operation of the pressure regulator 1 of the above-described embodiment shown in FIGS. 1 and 2 as a pressure regulator of the pneumatic massager shown in FIGS. 3 and 4 will be described.

A part of the compressed air compressed by the compressor 24 flows into the inlet 3b through the flexible pipe 29.

A part of the pressurized air flowing into the inlet 3b is discharged to the outside from one outlet 3c which communicates with the inlet 3b inside the moving body 3, and the discharge amount is provided in this outlet 3c. Is adjusted by the diaphragm device 6.

In addition, the rest of the pressurized air flowing into the inlet 3b is
It is discharged to the outside from the other discharge port 3e communicating with the inside of the moving body 3 and 3b. However, the moving body 3 reciprocates by the action of the solenoid 4 connected in the axial direction, and the other discharge port 3e abuts or separates from the closing member 7 fixed to the adjuster main body 2 to be closed or opened. Therefore, the discharge from the discharge port 3e is performed only when the discharge port 3e is opened.

In this way, the pressurized air sent from the inlet 3b is discharged to the outside from the one outlet 3c or the one outlet 3c and the other outlet 3e by the operation of the solenoid 4.
The amount of pressurized air discharged from the pressure regulator 1 is small in the former case and large in the latter case.

Therefore, the amount of air sent into the airbag 21 via the air distributor 25 increases in the former and decreases in the latter, and the air pressure in the airbag 21 can be switched between high pressure and low pressure. . Further, the high pressure can be adjusted by the expansion device 6 provided at the one outlet 3c.

Thus, the pressure regulator 1 of the present invention has two types of high pressure and low pressure.
Although the pressure is adjusted in stages, the cycle of rhythmic switching of the pressurized air by the air distributor 25 can be adjusted by the remote controller 23, so that a comfortable pneumatic massage can be performed.

In the structure shown in the embodiment, the solenoid 4 is used only for opening and closing the other discharge port 3e.
The pressure is not adjusted by changing the exciting force of the solenoid 5 to adjust the amount of movement of the plunger 5, so even if the electromagnetic coil of the solenoid 4 generates heat due to long-time energization and the exciting force decreases, It does not affect the adjusting action of the adjuster 1.

In addition, even if the pressurized air rises abnormally due to a failure of the compressor 24 or the like, one of the discharge ports 3c
Since compressed air is constantly discharged from the
There is no abnormal pressure rise in 21.

Further, when the silencer element 8 is attached to the portion 2b of the regulator body 2 through which the air discharged from the other outlet 3e passes,
Even if a special muffling device is not provided, it is possible to mitigate the unpleasant exhaust noise that occurs when the discharge amount increases when the high pressure is switched to the low pressure.

Further, the closing of the other discharge port by the closing member is also performed by pressing the closing member toward the opening direction of the discharge port and contacting it as in the present embodiment, but the other discharge port of the moving body is When it is provided laterally, it can be closed by an outer cylinder that is in sliding contact with the outer wall of the moving body.

Next, when the structure shown in FIGS. 1 and 2 is adopted, switching between low pressure and high pressure is reliable, the structure is simple, and manufacturing, installation, adjustment, and maintenance are easy.

Effects of the Invention The pressure regulator according to the present invention has the following excellent effects, as is apparent from the above-described embodiment.

(1) High pressure and low pressure can be reliably switched,
The range of high pressure can also be adjusted arbitrarily.

(2) Abnormal pressure rise can be prevented.

(3) The structure is simple and easy to manufacture, install, adjust and maintain.

(4) Due to the above-mentioned effects, it is most suitable as a pressure regulator for a pneumatic massager.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of the pressure regulator of the present invention, and FIG. 2 is a sectional view taken along line XX in FIG. Further, FIGS. 3 and 4 are a use state diagram and a layout diagram of the pneumatic massage device, and FIG. 5 is a vertical sectional view showing a conventional example of the pressure regulator. 1 ... Pressure regulator, 2 ... Regulator body 3 ... Moving body, 3a ... One end 3b ... Inlet port, 3c ... One discharge port 3d ... Other end part, 3e. Outlet 4 ... Solenoid, 5 ... Plunger 6 ... Throttling device, 7 ... Closing member 8 ... Silencer element

Claims (2)

(57) [Scope of utility model registration request] 1. A moving body is axially connected to a plunger driven by a solenoid, and the moving body is provided with one inlet for receiving a pressurized fluid and two outlets for discharging the fluid. The inlet and the outlet are communicated with each other inside the moving body, a throttle device is provided at one of the outlets, and the other outlet is provided separately from the moving body. A closing member that closes or opens one of the discharge ports according to the reciprocating motion of the solenoid of the moving body is provided, and the pressure of the pressurized fluid is adjusted by adjusting the discharge amount of the fluid from the discharge port. A pressure regulator characterized by performing. 2. The moving body has a columnar shape formed in the axial direction of the plunger, and has the other discharge port at the other end opposite to the one end connected to the plunger and at the side thereof. The inlet is provided with the one outlet at a position substantially axially symmetric to the inlet, and the closing member is made of an elastic material and faces the other outlet and abuts against the outlet. The pressure regulator according to claim 1, wherein the pressure regulator is provided at a position where the outlet is closed.