KR200466637Y1 - A nonfreezing valve - Google Patents

Abstract

Compared to the prior art of fixing the piston by the two upper and lower locking parts, the present invention enables the stable fixing of the piston, thereby improving the piston assembly structure to prevent the stable up and down movement of the piston and the interference with the discharge port during grip operation. It is about.

Description

Piston Assembly Structure Improved Floating Power {A NONFREEZING VALVE}

The present invention relates to a floating electric field consisting of a structure that can prevent the configuration of the valve, pipe, etc. forming the water supply in winter, especially the assembly of the piston for opening and closing the flow path and the rod for the operation thereof. It is a technique related to antistatics with improved structure.

Among the various technologies related to floating power having a freeze protection structure such as a valve or a pipe forming a water supply in winter,

Korea Utility Model Registration No. 20-0219377 (registered on Jan. 29, 2001, hereinafter referred to as 'prior art 1')

Korea Utility Model Registration No. 20-0219379 (registered on Jan. 29, 2001, hereinafter referred to as `` advanced technology 2 '') `` One-touch floating warfare '' and

Republic of Korea Utility Model Registration No. 20-0219378 (registered on January 29, 2001, hereinafter referred to as `` advanced technology 3 '') `` floating warfare '' is presented,

Although the prior arts 1 to 3 do not clearly describe the coupling of the piston rod end and the piston, two protrusions are formed in which the upper and lower sides of the piston rod end on which the piston is located are enlarged in cross section by pressing, respectively, and the piston Is a structure fixed to the piston rod end by the two protrusions.

However, when the two protrusions are formed using a press device or the like, the position of the two pistons moves up and down on the piston rod end as the position is changed, which may cause interference with the draining hole.

The present invention is based on the basic structure to prevent the internal configuration of the water hydrant freezes in winter, and provides an improved passive assembly of the piston assembly structure having various embodiments for the stable fixing of the piston when the rod and the piston are mutually assembled Its purpose is to.

In order to solve the above problems, the piston assembly structure improved floating power according to the present invention,

A top body having an internal final flow path and side outlets connected thereto;

A middle body having an internal intermediate channel connected to the final channel of the top body and mounted below the top body;

A bottom body having a lower inlet and an internal first channel connecting the middle channel of the middle body to the lower body;

A grip arranged on an upper portion of the top body, a rod connected to the grip and passing through the final, intermediate and first flow paths, and mounted at a position spaced upwardly from the lower end of the rod and disposed on an initial flow path of the bottom body; An opening and closing unit including a piston having an internal upper and lower flow paths;

A valve body disposed at an inlet side of the bottom body in contact with a rod lower end of the opening / closing unit;

An elastic spring interposed between the inlet of the bottom body and the valve body; And

An opening and closing body having a relay channel and arranged in an initial channel of the bottom body, wherein the valve body opens and closes the relay channel by an operation of the opening / closing unit;

, ≪ / RTI >

The lower end of the rod of the opening and closing unit has a spiral portion formed on the outer circumferential surface,

As a first embodiment,

In the upper region of the spiral portion, a locking portion having an enlarged cross section by pressing is arranged.

In the lower portion of the spiral, a nut which is screwed in is arranged.

As a second embodiment,

In the upper portion of the spiral is arranged a nut that is screwed in,

In the lower portion of the spiral portion, a locking portion having an extended cross section by pressing is arranged.

As a result, according to the first and second embodiments, the piston located between the locking portion and the nut is fixed by the locking portion and the nut.

As a third embodiment,

In the spiral portion, upper and lower regions are arranged with two nuts which are screwed together,

The piston located between the two nuts is fixed by the two nuts.

On the other hand, the opening or closing unit in the upper or lower surface, or both of them is characterized in that the seating portion corresponding to the outer shape of the nut is formed.

On the other hand, the number of the nuts arranged in the upper or lower region of the spiral portion is characterized in that two or more.

Piston assembly structure improved floating power according to the present invention,

By forming a helix in the rod, a piston is located on this helix, and a locking or nut arrangement in each of the upper and lower helixes of the piston, or a nut in each of them, so that There is a possible effect.

In addition, there is an effect provided with a seating portion for preventing the rotation of the nut on the upper or lower surface of the piston.

1 is a cross-sectional configuration of the improved assembly of the piston assembly structure according to the present invention,
Figure 2 is a three-dimensional configuration showing the rod and the piston of the opening and closing unit in the piston assembly structure improved floating power according to the present invention,
3 is a cross-sectional view of a first embodiment of FIG. 2;
4 is a cross-sectional view of a second embodiment of FIG. 2;
5 is a cross-sectional view of a third embodiment of FIG. 2;
Figure 6 is a cross-sectional view of the operating state of the piston assembly structure improved floating power according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings, and the inventor may appropriately design the concept of the term appropriately to describe its own design in the best way possible. It should be interpreted as a meaning and a concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the constitutions shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

Based on Figure 1, the grip side is specified as the upper or upper, the inlet side is the lower or lower direction.

In addition, "A" of Figure 3 and "B" of Figure 5 is a view showing another example in which the seating portion is formed in the piston.

As shown in Figure 1 to 5, the piston assembly structure improved floating power according to the present invention,

The top body 10, the middle body 20, the bottom body 30, the opening and closing unit 40, the valve body 50, the elastic spring 60 and the closed body 70 is composed of.

Looking at each configuration,

Top body (10)

As shown in Figure 1,

The final flow passage 11 penetrated up and down therein, and

Water outlet 12 connected to the final passage 11 in the side

It is made, including.

At this time, the final passage 11, the packing 13 for sealing and the upper side,

It further comprises a hexagon nut cover member 14 which is fastened to the upper side of the final flow path 11 to cover the packing (P).

Middle body (20)

As shown in Figure 1,

To be mounted below the top body 10,

Intermediate flow passage 211 which is vertically penetrated therein to be connected to the final flow passage of the top body 10

.

More specifically,

An upper end is fastened to the lower side of the final passage 11 of the top body 10, and a lower end is fastened to the upper side of the first passage 32 of the bottom body 30, which will be described later. A pipe 21 having the intermediate passage 211 at

A cylindrical housing 22 for protecting the periphery of the pipe 21, and

Upper and lower covers 23 and 24 for sealing the upper and lower portions of the housing 22, respectively

.

Bottom body (30)

As shown in Figure 1,

To be mounted below the middle body 20,

Inlet 31 at the bottom, and

Initial passage 32 vertically penetrated therein to connect the intermediate passage 211 of the inlet 31 and the middle body 20

.

At this time, the bottom body 30 may be largely divided into upper and lower powders (30A, 30B),

The upper and lower powders (30A, 30B) can be mutually coupled by screwing,

The intermediate passage 211 is formed in the upper and lower powders 30A and 30B over the upper and lower sides,

The inlet 31 will be formed below the lower body 30B.

In addition, the upper powder 30A of the bottom body 30 is further formed with a discharge hole 34 penetrated to the outer circumferential surface to be connected to the first flow path 32, and the discharge hole 34 has a sealing member (eg, rubber). Plugs, bolts, etc.) are inserted.

Therefore, when the sealing member is removed when the tap water is used in winter, the fluid remaining in the final passage 11, the intermediate passage 211 and the first passage 32 is discharged to the outside through the discharge hole 34.

The opening and closing unit 40

As shown in Figure 1,

The grip 41 is arranged on the top body 10,

A rod 42 connected to the grip 41 and passing through the final, intermediate and first flow paths 11, 211, 32, and

A piston 43 mounted at an upper spaced position from a lower end of the rod 42 and disposed in an initial flow path 32 of the bottom body 30 and having an internal upper and lower flow paths 431.

.

At this time, the upper end of the grip 41 and the rod 42 may be coupled to each other by a spiral fastening,

It is preferable that a plurality of vertical passages 431 of the piston 43 are arranged so as to vertically penetrate radially from the center of the piston 43.

In other words, a center is inserted into the rod 42 so that the piston 43 is disposed on the rod 42, and the plurality of upper and lower flow passages 431 are radially formed at the center thereof.

In addition, the piston 43 is disposed in the first channel 32 of the upper powder 30A in the bottom body 30, and preferably has an outer diameter corresponding to the inner diameter of the initial channel 32.

In addition, the piston 43 has an annular concave portion 432 is formed on the outer circumferential surface, the sealing O-ring 433 in close contact with the inner circumferential surface of the first flow path 32 can be inserted into the concave portion 432, The indentation part 432 may be formed in two places, respectively, on the upper and lower outer circumferential surfaces thereof, and may be variously modified and changed.

The valve body 50

As shown in Figure 1,

It is disposed on the inlet 31 side of the bottom body 30 in contact with the lower end of the rod 42 of the opening and closing unit 40,

An upper body 51 in contact with or mutually fastened to the rod 42, and

The lower triangular body 52 is formed integrally under the upper body 51 and has three legs radially, and has a structure capable of fluid flow upward between the legs.

.

Elastic spring (60)

As shown in Figure 1,

To be interposed between the water inlet 31 of the bottom body 30 and the valve body 50,

It is made of a coiled spring that is supported around the top of the inlet 31 of the bottom body 30 to elastically exert toward the valve body (50).

Opening and closing body 70

As shown in Figure 1,

To be arranged in the first flow path 32 of the bottom body 30,

The rod 42 passes through an inner center thereof, and the relay passage 71 has a diameter larger than that of the rod 42.

.

At this time, the opening and closing body 70

The lower body 30A of the bottom body 30 is interposed between the stepped portion 33 formed on the inner peripheral surface of the lower body 30B of the bottom body 30 and is fixed.

On the other hand, the piston assembly structure improved floating power according to the present invention is presented various embodiments for improving the mutual assembly of the rod 42 and the piston 43,

As a first embodiment,

As shown in FIG. 3,

The lower end of the rod 42 of the opening and closing unit 40 is formed with a spiral portion 421 on the outer peripheral surface,

In the upper portion of the spiral portion 421 is arranged a locking portion 81 is expanded by the cross section,

In the lower portion of the spiral portion 421, a nut 82 fastened to the spiral is arranged,

The piston 43 located between the locking portion 81 and the nut 82 is fixed by the locking portion 81 and the nut 82.

As a second embodiment,

As shown in FIG. 4,

The lower end of the rod 42 of the opening and closing unit 40 is formed with a spiral portion 421 on the outer peripheral surface,

In the upper portion of the spiral portion 421 is arranged a nut 82 is fastened to the spiral,

In the lower portion of the spiral portion 421, the engaging portion 81 whose cross section is expanded by pressing is arranged,

The piston 43 located between the locking portion 81 and the nut 82 is fixed by the locking portion 81 and the nut 82.

As a result, the first and second embodiments may be applied to the tightening of the nut 82 after the piston 43 inserted into the spiral portion 421 of the rod 42 is caught by the locking portion 81 and stopped. This structure is fixed stably.

As a third embodiment,

As shown in FIG. 5,

The lower end of the rod 42 of the opening and closing unit 40 is formed with a spiral portion 421 on the outer peripheral surface,

In the spiral portion 421, two nuts 82 are arranged in the upper and lower regions, respectively, which are screwed together.

The piston 43 located between the two nuts 82 is fixed by the two nuts 82.

As a result, the third embodiment has a structure in which the piston 43 positioned on the spiral portion 421 of the rod 42 is stably fixed by tightening the two nuts 82.

On the other hand, the opening or closing unit 70 in the upper or lower surface of the piston 43

As shown in "A" of FIG. 3 and "B" of FIG. 5,

A seating portion 434 corresponding to the outer shape of the nut 82 may be formed.

For example, when the nut 82 is a hexagon nut, the seating portion 434 is a hexagonal groove.

In the third embodiment, when the two nuts 82 are inserted and seated in the seating portions 434 formed on the upper and lower surfaces of the piston 43, the coupling cannot be made. Preferably, the seating portion 434 is formed on one of the upper and lower surfaces.

Therefore, the nut 82 inserted and seated in the seating portion 434 is stably fixed without being rotated.

On the other hand, the number of the nuts 82 arranged in the upper or lower region of the spiral portion 421 may be two or more,

As shown in "B" of FIG. 5, two or more nuts 82 are not easily loosened as compared to one nut 82, thereby stably fixing the piston 43.

Looking at the operating state of the piston assembly structure improved floating power according to the present invention made of the above configuration,

As shown in Figure 6,

When the grip 41 of the opening and closing unit 40 is pressed to the lower side,

The rod 42 of the opening and closing unit 40 pushes the valve body 50 to the lower side,

The pushed valve body 50 is elastically supported by the elastic spring 60,

The relay flow path 71 of the opening and closing body 70 is opened by the pushed valve body 50,

The fluid (eg, tap water) flows in the order of [the inlet 31 of the bottom body 30-the first channel 32-the middle channel 211-the last channel 11-the outlet port 12].

At this time, the fluid flows into the intermediate passage 211 through the upper and lower passages 431 of the piston 43 through the lower body 52 of the valve body 50 in the initial passage (32).

On the contrary, when pulling the grip 41 of the opening and closing unit 40 to the upper side,

The rod 42 of the opening and closing unit 40 is raised to the upper side together with the grip 41,

The pushed valve body 50 is returned to the upper side by the elastic spring 60,

The relay flow path 71 of the opening and closing body 70 is blocked by the valve body 50 in the original position,

Fluid flow from the inlet 31 to the outlet 12 is blocked.

In the above description of the present invention with reference to the accompanying drawings, but with a specific shape and structure described with respect to "piston assembly structure improved anti-static" but the present invention is capable of various modifications and changes by those skilled in the art, such variations and Changes should be construed as falling within the protection scope of the present invention.

10: top body
11: final euro 12: outlet
13 packing 14 cover member
20: Middle Body
21: pipe 211: intermediate euro
22 housing 23 upper cover
24: lower cover
30: bottom body
30A: Upper powder 30B: Lower powder
31: Inlet 32: First Euro
33: step 34: drain
40: opening and closing unit
41: Grip 42: Rod
421: spiral 43: piston
431: up and down flow path 432: recessed part
433 O-ring 434 seating part
50: valve body
51: upper body 52: lower body
60: elastic spring
70: closed body
71: relay euros
81: catching part
82: Nut

Claims (4)

A top body 10 having an internal final flow path 11 and side outlets 12 connected thereto;
A middle body 20 having an inner intermediate channel 211 connected to the final channel 11 of the top body 10 and mounted below the top body 10;
A bottom body (30) having a lower inlet (31) and an inner initial flow path (32) connecting the middle flow path (211) of the middle body (20) and mounted below the middle body (20);
A grip 41 arranged on the top body 10, a rod 42 connected to the grip 41 and passing through the final, intermediate, and first flow paths 11, 211, and 32, and the rod 42. An opening / closing unit (40) mounted at a position spaced upwardly from a lower end portion and disposed in the first passage 32 of the bottom body 30 and including a piston 43 having an inner upper passage 431;
A valve body 50 disposed at an inlet 31 of the bottom body 30 in contact with a lower end of the rod 42 of the opening and closing unit 40;
An elastic spring 60 interposed between the water inlet 31 of the bottom body 30 and the valve body 50; And
The relay passage 71 is arranged in the first passage 32 of the bottom body 30, and the valve body 50 opens and closes the relay passage 71 by the operation of the opening / closing unit 40. Opening and closing body 70;
, ≪ / RTI >

The lower end of the rod 42 of the opening and closing unit 40 has a spiral portion 421 is formed on the outer peripheral surface,
In the spiral portion 421, each of the upper region and the lower region is arranged with a locking portion 81 having a cross section expanded by a pressing and a nut 82 which is screwed in a spiral, or by a nut 82 and a screw fastened with a screw. Hanging portions 81 are expanded in cross section is arranged,
The piston assembly (43) located between the locking portion (81) and the nut (82) is fixed by the locking portion (81) and the nut (82).
A top body 10 having an internal final flow path 11 and side outlets 12 connected thereto;
A middle body 20 having an inner intermediate channel 211 connected to the final channel 11 of the top body 10 and mounted below the top body 10;
A bottom body (30) having a lower inlet (31) and an inner initial flow path (32) connecting the middle flow path (211) of the middle body (20) and mounted below the middle body (20);
A grip 41 arranged on the top body 10, a rod 42 connected to the grip 41 and passing through the final, intermediate, and first flow paths 11, 211, and 32, and the rod 42. An opening / closing unit (40) mounted at a position spaced upwardly from a lower end portion and disposed in the first passage 32 of the bottom body 30 and including a piston 43 having an inner upper passage 431;
A valve body 50 disposed at an inlet 31 of the bottom body 30 in contact with a lower end of the rod 42 of the opening and closing unit 40;
An elastic spring 60 interposed between the water inlet 31 of the bottom body 30 and the valve body 50; And
The relay passage 71 is arranged in the first passage 32 of the bottom body 30, and the valve body 50 opens and closes the relay passage 71 by the operation of the opening / closing unit 40. Opening and closing body 70;
, ≪ / RTI >

The lower end of the rod 42 of the opening and closing unit 40 has a spiral portion 421 is formed on the outer peripheral surface,
In the spiral portion 421, two nuts 82 are arranged in the upper and lower regions to be screwed together,
The piston assembly structure improved antistatic type, characterized in that the piston (43) located between the two nuts (82) is fixed by the two nuts (82).
3. The method according to claim 1 or 2,
Piston assembly structure improved passive power, characterized in that the seating portion 434 corresponding to the outer shape of the nut 82 is formed on the upper or lower surface of the piston 43 in the opening and closing unit 40 .
3. The method according to claim 1 or 2,
The piston assembly structure improved passive power, characterized in that the number of the nut (82) arranged in the upper or lower region of the spiral portion 421 is two or more.

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