KR101995983B1 - Inlet Valve for Central Vacuum Cleaning System - Google Patents

Abstract

The present invention relates to a suction valve maintaining sealing by being applied to a suction port of a centralized vacuum suction system. More specifically, the suction valve includes: the suction port formed inside to be connected to a suction pipe of the centralized vacuum suction system; a coupling unit coupled to the suction pipe by being formed on the outer circumference of the suction port; and a flange formed at an upper end of the coupling unit. The flange includes: a body including a flange main body unit and a flange wing unit, wherein the flange main body unit is connected to the upper end of the coupling unit and the flange wing unit protrudes from a part on the outer surface of the flange main body unit by being formed at the upper end of the flange main body unit; a cap including a protrusion unit capable of being inserted into a sliding guide and selectively blocking the air flow of the suction port by opening and closing the suction port; and a sliding member connected to the cap for the cap to open and close the suction port of the body by sliding on the outer side than an outer wall of the coupling unit by being inserted into the sliding guide, wherein the sliding member is connected to the cap for the cap to rotate while the suction port of the body is opened. The body also includes the sliding guide formed on the outer side than the coupling unit by being penetrated and formed on one side of the flange wing unit.

Description

[0001] The present invention relates to a suction valve for a centralized vacuum suction system,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a suction valve applied to a suction port of a centralized vacuum suction system to maintain a closed state, and more particularly to a suction valve having a cap rotatably coupled to a sliding member formed outside the body, To a suction valve of a centralized vacuum suction system.

The centralized vacuum suction system includes a production line (Clean Room) in which a space inside a building is divided into a plurality of small spaces, a dust collector driven by a vacuum blower at one side of a building such as a hospital, an office, an apartment, A suction pipe for receiving a sound pressure generated in the dust collecting device is installed in the space, and the operator can clean the space by connecting a cleaning tool to the suction pipe.

The centralized vacuum suction system is provided with a suction valve so as to selectively block the flow of air to the end of the vacuum pipe connected to each space. Normally, the suction valve is connected to the end of the vacuum pipe to shut off the vacuum pipe, and when the operator is cleaning, the suction valve is opened to connect the cleaning tool and clean.

However, the conventional suction valve has a risk that when the valve cap is opened, the cap is separated from the body and the cap is lost. Even when the cap is coupled with the body, the cap is not fixed in an open state, so that the restoring force of the spring is damaged, the durability of the pin connected to the cap and the body is reduced, and there is an inconvenience that the cleaning tool is interfered.

Also, the sealing member provided in the cap is damaged by the sound pressure that is normally generated by the dust collecting apparatus, and thus the air is leaked, and the vacuum is not formed any more.

Conventional centralized vacuum suction systems, which are disclosed in the prior art publication No. 10-2013-0003258 (published on Jan. 31, 2013), consist of a body, a cap and a pin, Thereby preventing the risk of losing the cap and preventing the wear and damage of the cap. However, since the cap and the body are connected by the pin insertion hole of the body and the pin inserted into the pin insertion hole of the cap, there is a problem that the thickness of the pin is limited in the standardized state.

Also, when the cap is mounted on the wall instead of the floor, when the cap is rotated to the upper side of the body, there is a problem that the cap is lost if the cap receives a load due to gravity and is damaged or broken by frequent use.

Japanese Patent Application Laid-Open No. 10-2013-0003258

Disclosure of Invention Technical Problem [8] The present invention has been devised in order to solve the problems of the prior art described above, and an object of the present invention is as follows.

First, it is an object of the present invention to provide a suction valve of a centralized vacuum inhalation system in which a cap is coupled to a valve so that the cap is prevented from being lost.

Second, it is an object of the present invention to provide a suction valve of a centralized vacuum suction system capable of minimizing the loss of a cap, such as wear and damage caused by use.

Third, it is an object of the present invention to provide a suction valve of a centralized vacuum suction system capable of minimizing air leaking.

Fourthly, it is an object of the present invention to provide a suction valve of a centralized vacuum suction system which is capable of minimizing a load applied to a sliding member even when a sliding member serving as a rotation axis of the cap is disposed outside the suction valve to open the cap. have.

Fifth, it is possible to adjust the thickness of the sliding member, which serves as the rotation axis of the cap, so that the coupling between the cap and the body can be made firm and the cap can be fixed upwardly with the suction port of the body opened. The purpose is to provide.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

In order to attain the above object, there is provided a vacuum cleaner comprising: a suction port formed in the suction port of a centralized vacuum suction system; a coupling part formed on an outer circumferential surface of the suction port to be coupled to a suction pipe; Wherein the flange includes a flange body portion connected to an upper end of the coupling portion and a flange wing portion formed at an upper end of the flange body portion and protruding from at least a part of an outer surface of the flange body portion, A cap including a body including a sliding guide formed on one side of the coupling portion and formed on an outer side of the coupling portion and a protrusion insertable into the sliding guide and selectively opening and closing the suction port to selectively block the air flow of the suction port, Is inserted into the outer wall of the fastening portion And a sliding member coupled to the cap so as to open and close the suction port of the body, wherein the cap is rotatably coupled to the body while the suction port of the body is opened. Valve.

The sliding member includes a protruding portion accommodating portion, which is a space formed to accommodate the projection of the cap, and a stopper formed at the lower end of the sliding member. The sliding member has a hollow cylindrical shape to allow the sliding member to be inserted therein, And a sliding member receiving ring including a corresponding groove.

In addition, the projecting portion receiving portion is formed in a U-shape and has a pair of pin insertion holes facing each other at an upper end thereof. The sliding member receiving ring has a U- Shaped groove is formed on the surface of the substrate.

In addition, the body may be chamfered when the sliding member is inserted into the sliding guide, wherein the portion corresponding to the sliding guide is chamfered.

The cap may further include a handle having one side thereof rotatably hinged to the cap so as to be lifted when the cap is opened, and a handle receiving portion for receiving the handle may be formed on the outer side.

And a sealing member provided at a part of a portion corresponding to a wall surface and a bottom of the suction port in a state in which the cap is closed. The sealing member may include a reinforcing member therein to maintain the shape at all times And a retainer provided at a lower portion of the sealing member to prevent the sealing member from coming off.

Further, the outer peripheral portion of the fastening portion may be formed of a thread.

The effect of the suction valve of the centralized vacuum suction system of the present invention constructed as described above will be described as follows.

First, according to the suction valve of the centralized vacuum suction system of the present invention, there is no risk of losing the cap, and the loss of the cap, such as wear and damage, can be minimized by manufacturing the cap integrally with the valve.

Second, according to the intake valve of the centralized vacuum suction system of the present invention, the sealing member and the retainer are provided to minimize the air leaking, thereby improving the overall efficiency of the centralized vacuum suction system.

Third, since the sliding member, which serves as the rotation axis of the cap, is disposed outside the suction valve and is slidable, the thickness of the sliding member can be adjusted to minimize the load applied to the sliding member, thereby firmly coupling the cap and the body, And it is an object of the present invention to provide a suction valve of a centralized vacuum suction system capable of fixing the cap upwardly with the suction port opened.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a suction valve of a centralized vacuum suction system according to an embodiment of the present invention,
FIG. 2 is a perspective view of an assembled intake valve of a centralized vacuum inhalation system according to an embodiment of the present invention; FIG.
3 is an exploded perspective view of a suction valve of a centralized vacuum suction system according to an embodiment of the present invention,
FIG. 4 is a cross-sectional view of a centralized vacuum inhalation system assembled with a suction valve according to an embodiment of the present invention; FIG.
5 is a plan view (a) and an exploded perspective view (b) of a cap of a suction valve of a centralized vacuum suction system according to an embodiment of the present invention,
6 is a sectional view (a) and an exploded view (b) of a cap of a suction valve of a centralized vacuum inhalation system according to an embodiment of the present invention,
7 is a perspective view (a) and an exploded perspective view (b) of a sliding member of a suction valve of a centralized vacuum suction system according to an embodiment of the present invention,
8 is a perspective view of a body of a suction valve of a centralized vacuum suction system according to an embodiment of the present invention,
FIG. 9 is a perspective view illustrating a pull of a suction valve of a centralized vacuum suction system according to an embodiment of the present invention; FIG.
10 is a perspective view showing a state in which a cap is moved outward by opening a suction valve of a centralized vacuum suction system according to an embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference symbols as possible even if they are shown in different drawings. In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the difference that the embodiments of the present invention are not conclusive.

Also, the expressions such as 'first, second', etc. are used only to distinguish between plural configurations, and do not limit the order or other features among the configurations.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a suction valve of a centralized vacuum suction system according to an embodiment of the present invention.

Referring to FIG. 1, a conventional centralized vacuum suction system includes a suction valve having a pin insertion hole formed at one side of a body, a pin insertion hole formed in the cap, a pin inserted into the pin insertion hole and the pin insertion hole, As shown in FIG.

In the case of the suction valve of the conventional vacuum suction system, since the pin connecting the cap and the body is inserted into the outer wall of the body, the thickness of the pin is limited. Because the size of the body must be made to fit the size of the vacuum suction pipe, it can not be inserted into the outer wall of the body if the pin is made too thick.

Therefore, when the cap is opened, the pin may be damaged and damaged by the rod that is caught by the pin. In this case, there is a risk that the cap may be lost.

FIG. 2 is a perspective view illustrating an assembly of a suction valve of a centralized vacuum suction system according to an embodiment of the present invention. Referring to FIG.

2, the suction valve of the centralized vacuum cleaner system according to an embodiment of the present invention may include a cap 100, a body 200, and a sliding guide 210. As shown in FIG.

FIG. 8 is a perspective view of a body 200 of a suction valve of a centralized vacuum suction system according to an embodiment of the present invention.

2 and 8, the body 200 has a suction port 230 communicating with the suction pipe of the centralized vacuum suction system, and an outer circumferential surface of the suction port 230 is connected to the suction pipe. (220). ≪ / RTI > The fastening portion 220 may be threaded so as to firmly engage with the suction pipe.

A flange may be provided at the upper end of the coupling part 220 so that the suction valve can be firmly supported when the body 200 is installed on the wall or the floor. The flange may include a flange body portion 250 connected to the upper end of the coupling portion 220 and a flange wing portion 240 protruding from at least a portion of the outer surface of the flange body portion 250. At least a part of the coupling part 220 and the flange body part 250 are inserted into the suction pipe and the flange blade part 240 is mounted outside the wall surface or the bottom surface to support the entire suction valve.

In addition, the body 200 may include a sliding guide 210 formed at one side of the flange wing portion 240. Since the sliding guide 210 is provided on one side of the flange wing portion 240, the sliding guide 210 is formed on the outer side of the flange body and the coupling portion 220 of the body 200.

The body 200 may have a chamfered portion corresponding to the sliding guide 210 when the sliding member 300 is inserted into the sliding guide 210. The stopper 322 is protruded when the sliding member 300 is inserted and moved up and down so that the sliding member 300 abuts on the body 200 and is worn or the sliding member 300 is caught by the body 200, .

5 is a top view (a) and an exploded perspective view (b) of a cap 100 of a suction valve of a centralized vacuum inhalation system according to an embodiment of the present invention.

2, 5 and 6, the cap 100 is coupled to the upper end of the body 200 to open / close the suction port 230 to selectively block the air flow of the suction port 230. [

The cap 100 may include a protrusion 123 that can be inserted into the sliding guide 210 formed at one side of the flange wing portion 240. The protrusion 123 may have a size smaller than that of the sliding guide 210 so that the protrusion 123 can be inserted into the sliding guide 210. The protrusion 123 is formed with a first through hole 122 and can be engaged with the sliding member 300 by the first pin 400 as described later.

FIG. 4 is a cross-sectional view of a centralized vacuum inhalation system according to an embodiment of the present invention. FIG. 6 is a cross- 100 (a) and an exploded view (b).

4 and 6, the cap 100 further includes a sealing member 150 provided at a part of the portion corresponding to the wall surface of the suction port 230 in a state where the cap 100 is closed for sealing can do. The sealing member 150 may be provided at a portion of the portion corresponding to the wall surface of the suction port 230 in a state where the cap 100 is closed so as to prevent the air from leaking and obtain a more reliable sealing effect. Accordingly, it is possible to increase the efficiency of the whole system by increasing the suction force in the other space by ensuring the airtightness in the space without using the centralized vacuum suction system.

The sealing member 150 is preferably made of rubber or silicone. However, the sealing member 150 is not limited thereto, and any material having elasticity suitable for sealing may be used.

However, because a strong negative pressure is always generated from the suction pipe, deformation of the sealing member 150 may occur after a predetermined time, thereby resulting in air leaking. Accordingly, the sealing member 150 may include a reinforcing member 151 therein to maintain a constant shape. The reinforcing member 151 is preferably made of metal so as not to be deformed.

The cap 100 may include a retainer 140 provided at a lower portion of the sealing member 150 to prevent the sealing member 150 from disengaging.

7 is a perspective view (a) and an exploded perspective view (b) of the sliding member 300 among the suction valves of the centralized vacuum suction system according to the embodiment of the present invention.

2 and 7, the sliding member 300 is inserted into the sliding guide 210 and engaged with the protrusion 123 of the cap 100. As shown in FIG. The cap 100 may be coupled to the protrusion 123 of the cap so that the cap 100 can be coupled to open and close the suction port 230 of the body 200. When the cap 100 opens the suction port 230 of the body 200 The sliding member 300 may be rotated so that the cap 100 is positioned on the opposite side of the suction port 230. Therefore, the cap 100 can be prevented from being disturbed when a centralized vacuum suction system is used.

Since the sliding guide 210 is located on one side of the flange wing portion 240, the sliding member 300 is slidably inserted outside the outer wall of the coupling portion 220. In the prior art, there is a problem that the pin is directly inserted into the body 200 because of the above-mentioned various limitations, but in the case of the present invention, there is no such limitation.

The sliding member 300 includes a protrusion receiving portion 323 which is a space formed to receive the protrusion 123 of the cap at the upper end thereof, a stopper 322 formed at the lower end of the sliding member 300, And a sliding member receiving ring 310 having a cylindrical shape and including a groove corresponding to the projection receiving portion 323.

The sliding member receiving ring 310 is inserted into the sliding member 300 and then inserted into the sliding guide 210 so that the protrusion 123 of the cap and the sliding member 300 are engaged. The diameter of the inner peripheral surface of the sliding receiving ring 310 is made smaller than the diameter of the stopper 322 and the diameter of the inner peripheral surface of the sliding member receiving ring 310 is made larger than the diameter of the sliding guide 210. Therefore, even if the sliding member 300 moves up and down, the stopper 322 and the sliding member receiving ring 310 do not come off from the sliding guide 210.

The protruding portion accommodating portion 323 may be formed in a U shape and may have a pair of pin insertion holes 321 facing each other at an upper portion thereof. Quot; U " shape corresponding to the " U " shape of the groove 323 can be formed.

Hereinafter, the coupling relationship of the suction valve of the centralized vacuum suction system according to an embodiment of the present invention and the use thereof will be described in detail.

3 is an exploded perspective view of a suction valve of a centralized vacuum suction system according to an embodiment of the present invention.

3, when the suction port 230 of the body 200 is closed by the cap 100, the body of the cap 100 is fitted into the suction port 230 of the body 200 and the protrusion 123 of the cap Is inserted into the sliding guide 210. The sliding member 300 is inserted into the sliding guide 210 in a direction in which the coupling part 220 is formed. According to an embodiment of the present invention, the protrusion 123 of the cap is received in the protrusion receiving portion 323 of the sliding member 300 and the first through hole 122 formed in the protrusion 123 and the protrusion receiving portion 323 The first pin 400 is inserted into the pin insertion hole 321 formed in the cap 100 so that the cap 100 and the sliding member 300 can be hinged.

The handle 110 of the cap is accommodated in the recess 124 of the cap so that the third through hole 111 formed on both sides of the handle 110 and the second through hole 121 formed on both sides of the cap body 120 are aligned And the second pin 130 may be hinged to both sides.

9 is a perspective view showing a pull 110 of a suction valve of a centralized vacuum suction system according to an embodiment of the present invention.

9, the cap 100 includes a handle 110 which is rotatably hinged to one side of the cap 100 so that the cap 100 can be easily opened when the user opens the cap 100, As shown in FIG. The handle 110 may form a center opening to include a space that can be held by the user, so that the user can easily grasp the handle 110 and apply a force.

Further, the cap 100 may be formed with a recess 124 for receiving the handle 110 on the outer side thereof. Since the suction valve of the centralized vacuum suction system is usually installed on the floor or wall, it is preferable that the handle 110 is received in the recess 124 and not protruded to the outside when the centralized vacuum suction system is not used.

10 is a perspective view showing a state in which a cap 100 is moved outward by opening a suction valve of a centralized vacuum suction system according to an embodiment of the present invention.

As shown in FIG. 10, when the user opens the valve to connect the cleaning tool to the suction pipe, the cap 100 can be opened and the sliding member 300 can be pulled up. The sliding member 300 may be inserted through the sliding guide 210 and inserted until the stopper 322 is engaged with the sliding member receiving ring 310. When the sliding member 300 is lifted so as not to block the suction port 230 by opening the cap 100, the cap 100 can be rotated and thus the cap 100 is not disturbed.

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them. Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them. Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

10: Suction valve
100: cap
110: Handle
111: Third through hole
120: cap body
121: second through hole
122: first through hole
123:
124: recess
130: second pin
140: retainer
150: sealing member
151: reinforcing member
200: Body
210: Sliding guide
220:
230: inlet
240: flange wing
250: flange body portion
300: sliding member
310: Sliding member receiving ring
320: Sliding member body
321: Pin insertion hole
322: Stopper
323: protrusion receiving portion
400: first pin

Claims (10)

In a suction valve of a centralized vacuum suction system,
A suction port formed in the suction port of the centralized vacuum suction system, a coupling part formed on an outer circumferential surface of the suction port and coupled to the suction pipe, and a flange formed at an upper end of the coupling part, A flange body portion connected to an upper end of the coupling portion and a flange wing portion formed at an upper end of the flange body portion and protruding from at least a part of the outer side surface of the flange body portion, A body including a sliding guide formed on an outer side thereof;
A cap which includes a protrusion insertable into the sliding guide and opens or closes the suction port to selectively block the air flow of the suction port;
A sliding member inserted into the sliding guide and slidable outside the outer wall of the coupling portion, the sliding member being coupled to the cap so as to open and close the suction port of the body;
Lt; / RTI >
The sliding member includes:
The cap is coupled to the sliding guide so as to be rotatable with respect to the body in a state in which the suction port of the body is opened
A protruding portion receiving portion which is a space formed in an upper portion to accommodate the protruding portion of the cap;
A stopper formed at the lower end;
Lt; / RTI >
A sliding member receiving ring having a hollow cylindrical shape for allowing the sliding member to be inserted therein and including a groove corresponding to the projection receiving portion;
Further comprising a suction valve for the centralized vacuum suction system.
delete The method according to claim 1,
The projection-
A pair of pin insertion holes formed in a U shape and facing each other,
The sliding member receiving ring includes:
And a U-shaped groove corresponding to a U-shape of the protrusion receiving portion is formed on a side surface of the suction valve.
The method according to claim 1,
The body
Wherein a lower end of the flange body portion is chamfered
The suction valve of the centralized vacuum suction system is characterized by.
The method according to claim 1,
The cap
Further comprising a handle rotatably hinged to one side of the cap to lift the cap when the cap is lifted.
6. The method of claim 5,
The cap
And a handle accommodating portion accommodating the handle is formed on an outer side of the handle.
The method according to claim 1,
The fastening portion
Wherein the outer periphery is made of a thread.
The method according to claim 1,
The cap
And a sealing member provided at a part of a portion corresponding to a wall surface of the suction port in a state in which the cap is closed, thereby sealing the suction valve of the centralized vacuum suction system.
9. The method of claim 8,
Wherein the sealing member comprises:
And a reinforcing member is included in the interior of the valve so as to maintain a normal shape.
9. The method of claim 8,
And a retainer provided at a lower portion of the sealing member to prevent the sealing member from being separated from the sealing member.

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