KR20040014275A - Pressure regulator, diaphragm unit, and diaphragm for gas appliance - Google Patents

Abstract

PURPOSE: To provide a diaphragm and an oscillating film member easily assemblable in the production process and preventing gas leakage, without cost increase and metal fatigue, and also to provide a pressure regulator for gas fittings having such oscillating film member. CONSTITUTION: The diaphragm 2 according to the present invention comprises: a disk-shaped main body 5; an upward protrusion 6 extending upward from the center of an upper surface of the main body; and a downward protrusion 7 extending downward from the center of a lower surface of the main body and having a insertion hole, in the direction orthogonal to the extending direction, for inserting an end of a controller controlling gas introduced into a regulating chamber thereinto. These parts are integrally formed from a resilient material.

Description

Pressure regulator, diaphragm member and diaphragm for gas appliance {PRESSURE REGULATOR, DIAPHRAGM UNIT, AND DIAPHRAGM FOR GAS APPLIANCE}

The present invention relates to a pressure regulator for a gas appliance using a small gas container.

In a gas appliance using a detachable small gas container, the gas supplied from the small gas container attached to the gas appliance is adjusted after the pressure is adjusted by a gas regulator pressure regulator (also called a governor or a pressure reducer). It is sent to the burner section through the connector via the section.

The pressure regulator includes a pressure regulator main body 20 made of zinc die-cast and a cover 54 as shown in FIG. 6, and the pressure regulator main body 20 accommodates the nozzle portion 31 of the small gas container 30. And a connecting portion 40, an adjusting chamber 50 for adjusting the pressure of the gas, a cock portion 60 for adjusting the flow rate of the gas, and a gas outlet 70.

The connecting portion 40 presses the nozzle portion 31 of the small gas container 30 inserted into the connecting portion 40 to open the valve to eject the gas, and at the same time, the gas pressure in the small gas container 30 becomes abnormal. In the case of rising and blowing a high pressure gas, the check valve which has a role which interrupts gas is arrange | positioned.

The gas supplied from the small gas container 30 to the connecting portion 40 passes through a gap around the check valve and is sent to the next adjustment chamber 50.

As shown in FIG. 7, the upper side of the adjusting chamber 50 is closed by the pressure adjusting means 51, and the pressure adjusting means 51 moves the vibrating membrane member 52 and the vibrating membrane member 52 which move and fall. The return member 53 is made of a spring pressurized downward, and the return member 53 is covered by a cover 54 which also serves as a spring receiver. The cover 54 is screwed to the pressure regulator main body 20, but the outer circumferential portion of the vibrating membrane member 52 (the outer circumferential portion of the diaphragm 81) is interposed between the cover 54 and the pressure regulator main body 20 to provide pressure. It is fixed to the regulator body 20.

As shown in FIG. 8, a small hole 45 is provided between the connecting portion 40 and the adjustment chamber 50, and an opening and closing member 55 is provided near the outlet of the small hole 45 in the adjustment chamber 50. The opening and closing member 55 is pivotally supported at the point 56, and one end 55a of the opening and closing member 55 is at the lower end of the adjustment lever 83 penetrating the center of the diaphragm member 52 in the longitudinal direction. The other end 55b of the opening / closing member 55 is arranged to block the outlet 45a of the small hole 45 while being inserted into the insertion hole 57 provided. The sealing member 58 is provided in the part of the opening / closing member 55 which contact | connects the outlet 45a of the small hole 45. As shown in FIG.

When the small gas container 30 is attached to the connection part 40, the outer end of the check valve of the connection part 40 press-fits the nozzle part 31 of the small gas container 30, opens a valve, and ejects gas. . The blown-out gas passes through the gap around the check valve, enters the small hole 45 between the connecting portion 40 and the adjusting chamber 50, and pushes up the other end 55b of the opening / closing member 55 to adjust the adjusting chamber. Enter 50.

When gas enters the adjustment chamber 50 and the gas pressure in the adjustment chamber 50 becomes high, the vibrating membrane member 52 rises against the pressing force of the return member 53, and at the same time, the center of the vibrating membrane member 52 is moved. As a result, one end 55a of the opening / closing member 55 inserted into the insertion hole 57 provided in the lower end of the adjustment lever 83 penetrating in the longitudinal direction is raised, and the other end of the opening / closing member 55 ( 55b) descends and closes the outlet 45a of the small hole 45 to prevent the gas from flowing into the adjustment chamber 50.

When the gas in the adjustment chamber 50 is discharged through the gas outlet 70 by the operation of the cock part 60, and the pressure in the adjustment chamber 50 decreases, the vibrating membrane member 52 is lowered, and then again in the adjustment chamber 50. Gas is introduced.

The diaphragm member 52 which forms the pressure adjusting means 51 of the adjustment chamber 50, as shown in FIG. 9, has a disk shaped diaphragm 81, the diaphragm receiving body 82 made of metals, such as aluminum, and the like. And an adjustment lever 83, a spring washer 84, and a nut 85 made of zinc die-cast.

The diaphragm receiving 82 is arrange | positioned on the diaphragm 81, and the adjustment lever 83 is inserted from the bottom into the hole drilled in the center of the diaphragm 81 and the diaphragm receiving 82, respectively.

The adjustment lever 83 has a lower portion 83B having an insertion hole 57 into which one end of the opening and closing member 55 described above is inserted, an upper portion 83A with a screw, a lower portion 83B, and an upper portion 83A. ) And an intermediate portion 83C serving as a circular stopper having a diameter larger than the hole drilled in the center of the diaphragm 81 and the diaphragm receiving 82, respectively.

Of the diaphragm 81 and the diaphragm receiving 82 until the upper surface 83A of the adjustment lever 83 abuts the upper surface of the middle portion 83C of the adjustment lever 83 with the lower surface of the diaphragm 81. Insert the spring washer 84 into the part of the upper part 83A of the adjustment lever 83 which extends upwards rather than the diaphragm receiving 82, and inserts it into the hole drilled in the center, respectively, and screwes the nut 85 firmly. By tightening, the adjustment lever 83 is attached to the diaphragm 81.

However, such a vibrating membrane member 52 has a drawback that, firstly, gas leakage is likely to occur. That is, in order to insert the upper part 83A of the adjustment lever 83 into the hole drilled in the center of the diaphragm 81, the diaphragm 81 rather than the outer diameter of the upper part 83A of the upper part of the adjustment lever 83 for insertion. Since the diameter of the hole is slightly larger, a gap is formed between the outer circumferential surface of the upper portion 83A of the adjustment lever 83 and the inner circumferential surface of the hole in the center of the diaphragm 81 and cannot be airtight.

Moreover, when the nut 85 is tightened firmly in order to improve the airtightness between the diaphragm 81 and the adjustment lever 83, the force of the rotation direction centering on the center hole is added to the diaphragm 81, Torsion occurs in the diaphragm 81, so that gas leakage may occur. Furthermore, if the tightening of the nut 85 is too strong, the diaphragm 81 may break and cause gas leakage.

Secondly, in the conventional diaphragm member 52, there exists a fault that assembly is complicated. That is, the conventional diaphragm member 52 consists of the diaphragm 81, the diaphragm receiving 82, the adjustment lever 83, the spring washer 84, and the nut 85, and the diaphragm is assembled for the assembly. The step of overlapping the diaphragm receiving 82 on the 81, the process of inserting the upper part 83A of the adjustment lever 83 into the hole of the center of the diaphragm 81, and the hole of the center of the diaphragm receiving 82, and adjustment At least four steps of attaching the spring washer 84 to the upper part 83A of the lever 83 and screwing the nut 85 to the upper part 83A of the adjustment lever 83 are required. do.

Furthermore, in the process of screwing and tightening the nut 85, the nut 85 is temporarily tightened to temporarily screw into the screw of the upper portion 83A of the adjustment lever 83, and thereafter, the tightening is increased ( As the two-step tightening step of this tightening) is performed, the number of steps increases.

Third, in the conventional diaphragm member 52, the diaphragm 81, the diaphragm receiving 82, the adjustment lever 83, the spring washer 84, and the nut 85 consist of five components. As described above, there is a drawback that the number of parts is high and the cost is high.

Fourth, in the conventional vibrating membrane member 52, since the adjustment lever 83 is complicated in shape or structure, a zinc die cast material is used. Since pores are entering, there is a drawback that manufacturing management is difficult and also causes metal fatigue.

The present invention overcomes these drawbacks, and has a diaphragm, a vibrating membrane member, and a vibrating membrane member, which have no gas leakage, are easy to be assembled during manufacture, are not expensive, and are not made of metal fatigue. It is an object to provide a pressure regulator for a mechanism.

1 is a cross-sectional view of the vibration membrane member of the present invention,

2 is a cross-sectional view of the diaphragm,

3 is a perspective view of the diaphragm obliquely viewed from above;

4 is a perspective view of the diaphragm obliquely viewed from below;

5 is an exploded view of the pressure regulator of the present invention;

6 is a view showing an example of a pressure regulator;

7 is an exploded view of a pressure regulator having a conventional diaphragm member,

8 is a cross-sectional view of a conventional pressure regulator,

9 is a cross-sectional view of a conventional vibrating membrane member.

* Explanation of Reference Numbers

1 vibration membrane member 2 diaphragm

3 diaphragm racks and 4 fixtures

5 Main body 6 Upper protrusion

7 Lower protrusion 8 Concave

9 adjusting chamber 10 covers

11 Groove 12 Extrude Rail

13 Neck part 14 Fitting part

15 Magnification 16 Extension

17 Insertion hole 18 Control member (opening and closing member)

19 holes

The diaphragm of the present invention is introduced into the adjustment chamber in a direction extending downward from the center of the disk-shaped main body portion, the upper protrusion extending upwardly from the center of the upper surface of the main body portion, and intersecting the extension direction thereof. One end of the control member for controlling the gas has a downwardly projecting portion having an insertion hole, and each of these parts is integrally molded by an elastic material.

The diaphragm also has a neck portion that fits with a hole in the center of the diaphragm receiving overlappingly disposed on the diaphragm near the root of the upper protrusion, and has a fastening portion that engages with a fastener above the neck portion, and downwards. The protruding member has an enlarged portion provided in contact with the main body portion, an extension portion extending downward from the enlarged portion, and an insertion hole into which one end of the control member for controlling gas is inserted.

Furthermore, in the vibration membrane member of the present invention, the vibration membrane member extends downward from the center of the disk-shaped main body portion, the upper projection extending upwardly from the center of the upper surface of the main body portion, and the lower surface of the main body portion and intersects with the extending direction thereof. A diaphragm formed integrally with an elastic material by a lower projection having an insertion hole into which one end of the control member for controlling the gas introduced into the adjustment chamber is inserted, and a hole through which the upper projection of the diaphragm penetrates at the center thereof; The diaphragm receiving body superimposed on a diaphragm, and the fixture which fits the upper protrusion part of the diaphragm which protrudes through the hole of the center of a diaphragm receiving body, and fixes the diaphragm receiving body superposedly arranged on the diaphragm.

The pressure regulator for a gas appliance according to the present invention further includes a disc shaped main body portion, an upward protrusion extending upwardly from the center of the upper surface of the main body portion, and a direction extending downward from the center of the lower surface of the body portion and intersecting with the extending direction. A diaphragm formed integrally with an elastic material by a lower projection having an insertion hole into which one end of the control member for controlling the gas introduced into the adjustment chamber is inserted, and a hole through which the upper projection of the diaphragm penetrates at the center thereof; To have a diaphragm receiver superimposed on the diaphragm and a diaphragm member having a fixture for fitting the upper protrusion of the diaphragm protruding through the hole in the center of the diaphragm receiver to fix the diaphragm receiver superimposed on the diaphragm. It is structured.

(Example)

In FIG. 1, the diaphragm member 1 of this invention is a disk-shaped diaphragm 2, the disk-shaped diaphragm receiving body 3 superimposed on the diaphragm 2, and the diaphragm arrange | positioned on the diaphragm 2, and is overlapped. A fastener 4 is provided for fixing the base 3 to the diaphragm 2.

2 to 4, the diaphragm 2 has a disc-shaped main body 5, a circular rod-shaped upper protrusion 6 extending upward from the center of the upper surface of the main body 5, and a main body. It has the downward protrusion part 7 extended below from the center of the lower surface of (5), and these each part is formed integrally.

The diaphragm 2 consists of elastic materials, such as rubber | gum and synthetic resin, and NBR (acrylonitrile butadiene rubber) can be used as rubber, for example.

Although the size of the main body 5 varies, for example, a diameter of 13 mm to 150 mm is used. Moreover, as for thickness, the thing of 0.1 mm-1 mm is used, for example.

The diaphragm base 3 can be positioned when the diaphragm base 3 is superimposed around the upper protrusion 6 of the upper surface of the main body 5, and the concave of the size corresponding to the shape of the diaphragm base 3 is concave. The part 8 is provided.

Moreover, when the outer periphery of the main body part is interposed between the adjustment chamber 9 (FIG. 5) and the cover 10 covered by this adjustment chamber 9, and is fixed to the outer periphery of the lower surface of the main body part 5, it is easy to fix it. A downwardly protruding rail 12 fitted with the groove 11 around the adjustment chamber 9 is provided circumferentially. 10a is a return member consisting of a spring.

As shown in Fig. 2, the neck portion 13 is formed near the root of the upper protrusion 6, and the hole 19 in the center of the diaphragm receiving 3 is fitted and positioned and fixed thereto. In addition, a fastening portion 14 for engaging the fastener 4 is provided above the neck portion 13, and the fastener 4 is fitted thereon, and the diaphragm overlapped and disposed on the main body portion 5. Secure the catch (3).

The downward protrusion 7 extending downward from the center of the lower surface of the main body 5 includes an enlarged portion 15 having a circular cross section provided in contact with the main body 5 for reinforcement, and downward from this enlarged portion. It has the extension part 16 which is rectangular in cross section extended. The extension part 16 is provided with the insertion hole 17 in the direction which cross | intersects the extension direction, and the opening-closing member 18 which is a control material which controls the gas introduce | transduced into the adjustment chamber 9 in this insertion hole 17 is carried out. One end of is inserted.

The diaphragm receiver 3 is made of metal, for example, made of aluminum, a plated iron sheet, a zinc steel sheet, or the like. In the center of the diaphragm receiving part 3, the hole 19 into which the upper protrusion part 6 of the diaphragm 2 is inserted is provided.

It is preferable that the fastener 4 can fix the diaphragm receiving part 3 superimposed on the diaphragm 2 only by fitting one-touch to the engagement part 14 of the upper protrusion part 6, For example, a CS type snap ring, an E-ring, or the like is used.

In the assembly of the diaphragm member 1 of the present invention, the upper projection 6 of the diaphragm 2 is inserted into the hole 19 in the center of the diaphragm receiver 3, and the diaphragm receiver 3 is inserted into the diaphragm 2. It is completed by simply superimposing the upper surface of and fitting the fastener 4 to the engaging portion 14 of the upper projection 6 to fix the diaphragm receiving 3.

In the diaphragm, the vibrating membrane member and the pressure regulator of the present invention, since the main body portion, the upper protrusion portion and the lower protrusion portion constituting the diaphragm are integrally formed of an elastic material, there is no fear of gas leakage.

In the diaphragm member and the pressure regulator of the present invention, a step of inserting the upper protrusion of the diaphragm into a hole in the center of the diaphragm receiver during assembly of the diaphragm member and superimposing the diaphragm receiver on the upper surface of the diaphragm, and the upper protrusion Only two steps of fixing the diaphragm receiver by fitting the fastener to the end are completed, and no tightening or tightening of the screw is necessary, so the manufacturing and assembly work can be completed easily and in a short time.

Furthermore, since the neck portion is provided near the root of the upper protrusion of the diaphragm, when the hole in the center of the diaphragm receiver is inserted in the upper protrusion, positioning and fixing can be reliably and easily performed, and the step of overlapping the diaphragm receiver Work efficiency increases at.

Moreover, since the enlarged part is connected and reinforced by the lower protrusion part in connection with a main body part, and the insertion hole into which the one end of the control material which controls gas is inserted is provided in the extended part extended downward from this enlarged part, the downward protrusion part It can withstand the movement of the control member material frequently in the up-and-down direction enough to improve durability.

Furthermore, in the vibration membrane member and the pressure regulator of the present invention, the number of parts constituting the vibration membrane member is small and the cost can be reduced.

In addition, in the vibrating membrane member and the pressure regulator of the present invention, since parts made of zinc die-cast or the like are not used for the vibrating membrane member, there are no parts that cause metal fatigue and there is an advantage of enduring long-term use. .

Claims (5)

In the diaphragm used for the diaphragm member arrange | positioned in the adjustment chamber of a gas regulator pressure regulator, a diaphragm is a disk-shaped main body part, the upper protrusion part extended upwards from the center of the upper surface of this main body part, and the center of the lower surface of a main body part. In the direction extending downward and intersecting with the extension direction, it has a downward protrusion which has an insertion hole into which one end of the control material which controls the gas introduced into the adjustment chamber is inserted, and each said part is integrally formed by the elastic material. Diaphragm characterized in that. 2. A neck according to claim 1, having a neck portion for fitting with a hole in the center of the diaphragm receiving superposed on the diaphragm near the root of the upper projection, and having an engaging portion for engaging with the fastener above the neck portion. Diaphragm. 3. An end of the control member according to claim 1 or 2, wherein the downwardly protruding member has an enlarged portion provided in contact with the main body portion and an extended portion extending downward from the enlarged portion, Diaphragm, characterized in that the insertion hole to be inserted is provided. In the vibrating membrane member disposed in the adjusting chamber of the pressure regulator for a gas appliance, the vibrating membrane member extends downward from the center of the disk-shaped main body portion, the upper projection extending upwardly from the center of the upper surface of the main body portion, and the lower surface of the lower surface of the main body portion. A diaphragm formed integrally with an elastic material, the lower protrusion having an insertion hole into which one end of the control member for controlling the gas introduced into the adjustment chamber is inserted in a direction crossing the extension direction thereof; A diaphragm receiver that is superimposed on the diaphragm having a hole through which the upper protrusion penetrates, and a fastener for fitting the diaphragm receiver that is superimposed on the diaphragm by fitting into an upper protrusion of the diaphragm protruding through the hole in the center of the diaphragm receiver. Vibrating membrane part characterized in that . A control member for controlling the gas introduced into the adjustment chamber in a disk-shaped main body portion, an upper protrusion extending upwardly from the center of the upper surface of the main body portion, and extending downward from the center of the lower surface of the main body portion and intersecting the extension direction. A diaphragm formed by integrally forming a lower protrusion having an insertion hole into which one end of the diaphragm is inserted, an diaphragm receiving overlapped on a diaphragm having a hole through which an upper protrusion of the diaphragm penetrates, and a diaphragm receiving And a vibrating membrane member fitted with an upper protrusion of the diaphragm protruding through the hole in the center of the diaphragm, the diaphragm receiving member being fixed to the diaphragm receiver superimposed on the diaphragm.