KR101587425B1 - Coupler of drum - Google Patents

Abstract

The present invention relates to a coupler of a drum to improve a sensing structure for discharging stored fluid, which provides a sensing structure with a magnet and a sensitive magnetic sensor thereof in a contactless type to check whether or not matching between a female coupler and a male coupler. The coupler comprises a bottom body, a middle body, a top body, a lifting unit, and a sensing unit.

Description

TECHNICAL FIELD [0001] The present invention relates to a sensing structure improving coupler for discharging a storage fluid of a drum,

The present invention relates to a coupler for discharging a storage fluid in a drum, and more particularly, to a coupler for discharging a storage fluid in a drum, and more particularly to a magnet for checking whether a body fastened to a discharge port of a drum and a body coupled thereto are matched and non- The present invention relates to a sensing structure improving type coupler for discharging a storage fluid of a drum in which a gas leakage path is formed by non-contact type sensing members for sensing.

With respect to a coupler having a sensing structure for checking whether or not the coupler for discharging the storage fluid of the drum is matched,

Korean Patent Registration No. 10-1537252 (Registered, hereinafter referred to as "prior art") "Coupler for discharging storage fluid of drum" is proposed,

The prior art includes a sensing unit including an insertion hole penetrating from the middle housing side of the middle body to the middle hollow, and a sensing member fitted to the insertion hole; A flange that is seated along the perimeter of the corresponding middle hollow top of the middle post in the middle body, a flange attached to a lower portion thereof and having an inner flow hole for insertion of the top post, inserted into a corresponding middle hollow of the middle post, And an elastic spring which is fitted to an outer circumferential surface of the top post of the top body and is supported on the bottom surface of the top housing and on the top surface of the flange so as to be elastically biased toward the flange side, And a sensing unit of the sensing unit senses a displacement of the ascending / descending unit relative to the flange of the ascending / descending unit.

The present invention can detect the displacement of the magnet by the magnet sensor when the body fastened to the drum discharge port and the body coupled to the drum body are coupled to each other, thereby checking whether the two bodies match each other. And an object of the present invention is to provide a sensing structure improving type coupler for discharging a storage fluid of a drum which can solve the gas leakage problem of an existing sensing structure due to contact because the magnet sensors are implemented in a non-contact manner with each other.

According to an aspect of the present invention, there is provided a sensing structure improving coupler for discharging a storage fluid of a drum,

A cylindrical bottom housing having a fastening portion on the lower outer circumferential surface and an upper and a lower bottom hollow communicating with the inside, a tube connected to the lower portion of the bottom housing and having an internal flow passage communicating with the bottom hollow, A bottom body including a plurality of gas injection holes formed therein and being fastened to a discharge port side of the drum through a fastening portion of the bottom housing;

A cylindrical middle housing having an upper and a lower through-hole middle hollow and a spiral portion formed on an upper side inner peripheral surface of the hollow middle hollow, and a corresponding middle hollow communicating with the middle hollow and connected to the lower hollow, A middle post, and a gas injection member mounted to the middle housing side for injecting gas into the middle hollow;

A top housing having a corresponding spiral portion for interlocking with the spiral portion of the middle housing on a lower outer circumferential surface thereof and a vertically penetrating top hollow in the interior thereof, a discharge member provided in a top hollow portion of the top housing of the top housing, And a top post having a corresponding top hollow communicating with the top hollow and having an end inserted into the flow path of the tube;

And a lift post having an inner flow hole for insertion of the top post and inserted into the corresponding middle hollow of the middle post and having a smaller diameter than the corresponding middle hollow and an end portion exposed to the lower side of the middle post, unit; And

A sensing unit for sensing displacement of the elevating unit with respect to the elevating post;

, ≪ / RTI >

The sensing unit includes an annular magnet which is forcedly inserted along the upper end of the lifting post of the lifting unit, an insertion groove formed in the middle hollow side of the middle body by being hollowed toward the middle hollow side, And a sensing member which is inserted into the insertion groove to closely contact the magnet and senses the magnet, wherein the magnet and the sensing member are in non-contact with each other by the bottom of the insertion groove,

The elevating unit further includes an elastic spring that is fitted to an outer circumferential surface of the top post of the top body and is supported on the top housing bottom surface and the top surface of the magnet to elastically expose the magnet side.

According to the present invention, there is provided a sensing structure improvement type coupler for discharging a storage fluid of a drum,

The sensing structure for checking the matching between the arm and the male coupler is realized by a magnet and its sensitive magnet sensor, and by implementing it in a non-contact manner, the gas There is a great effect that the problem of leakage and corrosion of the switch terminal due to the leaked gas and malfunction of the switch terminal can be solved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded cross-sectional view showing a sensing structure improving coupler for discharging a storage fluid of a drum according to the present invention;
FIG. 2 and FIG. 3 are coupling sectional structural diagrams showing the operating state of FIG. 1; FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to 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 terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and 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 configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

1, the direction of the bottom body side is designated as the lower or the lower side, and the direction of the top body side is referred to as the upper side or the upper side.

1 to 3, the sensing structure improving coupler for discharging the storage fluid of the drum according to the present invention comprises:

And includes a bottom body 10, a middle body 20, a top body 30, an elevating unit 50, and a sensing unit 70.

Looking at each configuration,

The bottom body 10

As shown in Figs. 1 to 3,

A cylindrical bottom housing 11 having a coupling part 111 formed on a lower outer circumferential surface and a vertically-penetrating bottom hollow 112 inside to be coupled to a discharge port of a drum storing storage fluid,

A tube 12 connected to the bottom of the bottom housing 11 and having an inner flow path 121 communicating with the bottom hollow 112,

A plurality of gas injection holes 13 formed along the bottom of the bottom hollow 112 of the bottom housing 11,

.

At this time, the channel 121 of the tube 12 has a diameter smaller than that of the bottom hollow 112, thereby ensuring the upper periphery of the channel 121, that is, the bottom hollow of the bottom hollow 112, And the plurality of gas injection holes 13 are formed in the periphery.

Also, it is preferable that the tube 12 has a length enough to be adjacent to the inner bottom of the drum.

Each of the gas injection holes 13 has a long hole structure and is radially arranged around the bottom hollow 112, and the number of the gas injection holes 13 is preferably three.

A thread is formed on the inner circumferential surface of the bottom hollow 112 so that a separate plug or the like for closing the bottom hollow 112 can be fastened.

The middle body 20

As shown in Figs. 1 to 3,

And is coupled to the upper side of the bottom body 10,

A cylindrical middle housing 21 having an upper and lower through-hole type hollow hollow 211 and a spiral portion 212 on the upper side inner peripheral surface thereof,

A middle post 22 connected to the lower portion of the middle housing 21 and having a corresponding middle hollow 221 communicating with the middle hollow 211 and inserted into the bottom hollow 112 of the bottom housing 11,

A gas injection member 23 mounted on the side of the middle housing 21 for injecting gas into the middle hollow 211,

.

When the cord post 61 and the cord protrusion 62 are mated with each other and the ends of the middle post 22 are matched with each other, the bottom post of the bottom hollow 112 of the bottom post 11, It is preferable that the gas injection hole 13 is formed so as not to interfere with the gas injection hole 13 when it is seated.

It is preferable that the end of the middle post 22 is seated in the region around the bottom bottom 112 of the bottom housing 11 from the position where the gas injection hole 13 is formed.

The gas injecting member 23 is installed in a mounting portion 213 formed at the side of the middle housing 21 of the middle body 20 through the corresponding middle hollow 221 and connected to an external gas injection device.

Therefore, the gas supplied from the external gas injection device flows into the middle hollow 211 through the mounting portion 213, and the gas corresponding to the elevation post 51 of the elevation unit 50 and the middle post 22 Through the space between the middle hollows 221, through the respective gas injection holes 13 of the bottom body 10 into the drum.

At this time, the supply gas makes the atmospheric pressure outside the drum equal to the atmospheric pressure inside the drum, thereby facilitating the discharge of the storage fluid in the drum.

The top body 30

As shown in Figs. 1 to 3,

And is coupled to the upper side of the middle body 20,

A top housing 31 having a corresponding spiral portion 311 for interlocking with the spiral portion 212 of the middle housing 21 on the lower outer circumferential surface and a vertically penetrating top hollow 312 inside,

A discharge member 32 provided on the top hollow 312 of the top housing 31,

A top post 311 having a corresponding tower top hollow 331 connected to the bottom of the top housing 31 and in communication with the top hollow 312 and having an end inserted into the flow path 121 of the tube 12; (33)

.

The discharge member 32 has an internal discharge passage 321 coupled to an inner circumferential surface of a top hollow portion of the top housing 31 and communicating with the top hollow 312.

Two or more top orifices 332 are provided on the outer circumferential surface of the end portion of the top post 33 in close contact with the inner circumferential surface of the channel 121 of the tube 12.

The top body 30 may further include a check valve 34. The check valve 34 may be provided in the Korean Patent Registration No. 10-0976803 filed by the present applicant Therefore, for brevity,

A lower body having a radial rotary rib fascia at the lower portion thereof and a lower body having a radial rotary widening blade at the upper portion of the upper body, Closing side edges 341,

A spring support 342 disposed above the opening / closing side 341,

A valve spring 343 interposed between the spring support 342 and the discharge member 32,

Lt; / RTI >

The opening / closing side 341 is raised by the suction force of an external pumping device connected to the discharge member 32, whereby the valve spring 343 is pressed,

The open / close side 341 is opened between the open / close side 341 and the engagement jaw by the raised open / close side 341, and the fluid flow path is switched to the open structure.

The lift unit 50

As shown in Figs. 1 to 3,

When the bottom body 10 and the middle body 20 are coupled and matched with each other,

(223) having an inner flow hole (511) for insertion of the top post (33) and having a smaller diameter than the corresponding middle hollow (221) inserted in the corresponding middle hollow (221) of the middle post (22) ) Is exposed to the lower side of the middle post (22), and

An elastic spring 52 that is fitted on the outer circumferential surface of the top post 33 of the top body 30 and is supported on the bottom surface of the top housing 31 and on a top surface of a magnet 71 to be described later,

.

The elastic spring 52 is preferably coated with a Teflon material to prevent rusting or deformation of the elastic spring 52.

When the top and middle bodies 30, 20 coupled to each other are mounted on the bottom body 10,

The middle post 22 of the middle body 20 is inserted into the bottom hollow 112 of the bottom housing 11 and the lifting post 51 exposed to the lower side of the middle post 22 is inserted into the tube 12, The lifting post 51 of the lifting unit 50 is lifted up.

The sensing unit 70

As shown in Figures 2 and 3,

For detecting a displacement of the lifting unit (50) with respect to the lifting post (51)

An annular magnet 71 which is forcedly fitted around the upper end of the lifting post 51 of the lifting unit 50,

An insertion groove 72 formed at the side of the middle housing 21 of the middle body 20 so as to be recessed toward the middle hollow 211 and having a bottom 721,

A sensing member 73 inserted into the insertion groove 72 so as to closely contact the bottom 721 of the insertion groove 72 and sensing the magnet 71,

.

The sensing member 73 includes a sensing body 731 inserted into the insertion groove 72 and electrically connected to an external controller and a sensing body 731 provided at an end of the sensing body 731, And a magnet sensor 732 which is in close contact with the bottom 721 of the magnet 72.

Preferably, the magnet 71 is disposed along the periphery of the upper portion of the corresponding middle hollow 221 and adjacent to the lower side of the insertion groove 72.

Therefore, when the top and middle bodies 30 and 20 coupled to each other are mounted on the bottom body 10,

The middle post 22 of the middle body 20 is inserted into the bottom hollow 112 of the bottom housing 11 and the lifting post 51 exposed to the lower side of the middle post 22 is inserted into the tube 12, The lifting post 51 of the lifting unit 50 is lifted up,

3, the magnet sensor 732 senses a displacement of the magnet 71 provided at the end of the elevated post 51, and transmits the sensed signal to the controller. As a result, It is possible to check whether the bottom body 10 and the middle body 20 are matched and non-matched when mutually coupled.

Since the switch terminal used for detecting the lift post displacement has to be in contact with the lift post (or the flange provided at the upper end thereof), there has been a problem that the gas leaks through the contact passage between the switch terminal and the lift post. To this end,

The magnet 71 and the sensing member 73 are brought into non-contact with each other by the bottom 721 of the insertion groove 72 so that the gas leakage path itself is not formed, There is the biggest feature that can solve the gas leak problem.

2 and 3, an annular member (not shown) disposed on the upper side of the mounting portion 213 between the corresponding middle hollow 221 of the middle post 22 and the elevating post 51 of the elevating unit 50, And the outer O-ring O1 prevents the gas occupying the clearance between the corresponding middle hollow 221 and the lifting post 51 from leaking to the magnet 71 side.

2 and 3, an annular inner ring (not shown) disposed on the upper side of the mounting portion 213 between the elevating post 51 of the elevating unit 50 and the top post 33 of the top body 30, The gas that occupies a clearance between the lifting post 51 and the top post 33 is supplied to the middle housing 21 of the middle body 20 and the top housing 30 of the top body 30, (31).

The sensing structure improving coupler for discharging the storage fluid of the drum according to the present invention further includes a matching means (60)

The matching means (60)

As shown in Figs. 1 to 3,

A code groove 61 formed in a specific pattern on the bottom housing 11 of the bottom body 10,

A cord protrusion 62 formed below the middle housing 21 of the middle body 20 and corresponding to the cord groove 61,

.

At this time, the cord groove 61 may be formed with one or two or more circular or polygonal grooves,

The cord protrusions 62 may also be formed of one or two or more protrusions of a circular or polygonal shape.

3, only when the cord groove 61 and the cord protrusion 62 are mutually male and female, the lifting post 51 of the lifting unit 50 is lifted up to the channel (not shown) of the tube 12 121), the magnet 71 is displaced while the elevating post 51 of the elevating unit 50 is elevated.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the disclosed embodiments, but variations and modifications may be made by those skilled in the art Such variations and modifications are to be construed as being within the scope of protection of the present invention.

10: Bottom body
11: bottom housing 111: fastening part
112: Bottom hollow
12: tube 121:
13: gas injection hole
20: Middle body
21: Middle housing 211: Middle hollow
212: spiral part 213: mounting part
22: Middle Post 221: Corresponding Middle Hollow
23: gas injection member
30: Top body
31: Top housing 311: Corresponding helix
312: Top hollow
32: exhaust member 321: exhaust gas passage
33: Top post 331: Corresponding top hollow
332: Top ore ring member
34: Check valve 341: opening / closing valve
342: spring support 343: valve spring
50: Lift unit
51: lift-up post 511: distributor
52: Elastic spring
60: Matching means
61: cord groove 62: cord projection
70: sensing unit
71: Magnet
72: insert groove 721: bottom
73: sensing member 731: sensing body
732: Magnet sensor

Claims (3)

A cylindrical bottom housing 11 having a coupling part 111 on a lower outer circumferential surface and a bottom hollow 112 penetrating through the inside of the coupling part 111; an inner duct 11 connected to a lower part of the bottom housing 11 and communicating with the bottom hollow 112; And a plurality of gas injection holes (13) formed along the bottom periphery of the bottom hollow (112) of the bottom housing (11) A bottom body 10 which is fastened to the discharge port side of the drum through the through hole 111;
A cylindrical middle housing 21 having a vertically penetrating middle hollow 211 and a helical portion 212 formed on an inner circumferential surface of the upper hollow cylindrical portion 211 and a cylindrical hollow housing 21 connected to the lower portion of the middle housing 21, A middle post 22 having a corresponding middle hollow 221 communicating therewith and being inserted into the bottom hollow 112 of the bottom housing 11 and a middle post 22 mounted on the side of the middle housing 21, A middle body 20 including a gas injection member 23 for injecting a gas;
A top housing 31 having a corresponding spiral portion 311 for fastening with the spiral portion 212 of the middle housing 21 on the lower outer circumferential surface and a vertically penetrating top hollow 312 inside the top housing 31 And a corresponding tower top hollow 331 connected to the bottom of the tower housing 31 and in communication with the tower hollow 312. The top end of the top hollow 311, A top body (30) including a top post (33) into which a liquid (121) is inserted into a channel (121) of the tube (12);
(223) having an inner flow hole (511) for insertion of the top post (33) and having a smaller diameter than the corresponding middle hollow (221) inserted in the corresponding middle hollow (221) of the middle post (22) (50) including a lifting post (51) exposed to the lower side of the middle post (22). And
A sensing unit 70 for sensing a displacement of the lifting unit 50 with respect to the lifting post 51;
The coupler for discharging the storage fluid of the drum,

The sensing unit 70 includes an annular magnet 71 that is embedded in the upper end of the lifting post 51 of the lifting unit 50 and a lower end of the lifting post 51 of the lifting unit 50 at a side of the middle housing 21 of the middle body 20 An insertion groove 72 which is recessed toward the middle hollow 211 and has a bottom 721 and is inserted into the insertion groove 72 so as to be in close contact with the bottom 721 of the insertion groove 72, And the magnet 71 and the sensing member 73 are brought into non-contact with each other by the bottom 721 of the insertion groove 72,
The elevating unit 50 is fitted on the outer surface of the top post 33 of the top body 30 and supported on the bottom surface of the top housing 31 and on the top surface of the magnet 71, (52), < / RTI >
A mounting portion 213 is formed at a side of the middle housing 21 of the middle body 20 through the corresponding middle hollow 221 to mount the gas injection member 23,
An annular outer O-ring O1 disposed on the upper side of the mounting portion 213 between the corresponding middle hollow 221 of the middle post 22 and the elevating post 51 of the elevating unit 50,
An annular inner ring O2 is disposed between the lifting post 51 of the lifting unit 50 and the top post 33 of the top body 30 and disposed on the upper side of the mounting portion 213 A sensing structure improvement type coupler for discharging the storage fluid of the drum. delete delete

Images