KR101666787B1

KR101666787B1 - Device of connecting manifold gage

Info

Publication number: KR101666787B1
Application number: KR1020150048944A
Authority: KR
Inventors: 신진우
Original assignee: 삼성전자서비스 주식회사
Priority date: 2015-04-07
Filing date: 2015-04-07
Publication date: 2016-10-17

Abstract

The present invention relates to a device of connecting a manifold gauge, wherein a head gear connected to be interlocked through a rotating shaft is installed within an operating head provided in an end portion of an extension bar. Through a cap insert and a gas insert inserted into the head gear, to fill refrigerant gas in an outdoor unit for air conditioning, which is installed in a handrail or a narrow space, after a nut cap screwed to a service valve of the outdoor unit for air conditioning is separated, a process for connecting a manifold gauge can be performed at a remote distance in a more safe and active place.

Description

[0001] DEVICE OF CONNECTING MANIFOLD GAGE [0002]

The present invention relates to a manifold gauge fastening apparatus, and more particularly, to a manifold gauge fastening apparatus which is capable of fastening a manifold gauge to a remote place in a safe and active place for refrigerant filling in an air conditioner outdoor unit installed in a rail or a narrow space To a manifold gauge fastening device.

As is well known, an air conditioner such as an air conditioner is divided into an outdoor unit installed outdoors and an indoor unit installed in the room.

The outdoor unit is usually installed hanging on the railing due to problems in the installation space or installed in a narrow space between the walls.

Meanwhile, a manifold folder gauge is connected to a service valve provided at one side of the outdoor unit in order to inject an appropriate amount of refrigerant into the unit through the outdoor unit or supplement the refrigerant shortened during use.

The manifold folder gauge is installed in the lower part of the outdoor unit and is released by unscrewing the nut cap screwed to the service valve. Then, the service nut is screwed into the service valve and the service nut is screwed into the service valve. .

However, if the outdoor unit is hanging on the railing, it is necessary to call the expensive ladder car because the working position is not reachable for engaging the manifold gauge to inject or replenish the refrigerant, or to wear the safety equipment, It requires a lot of additional cost or has a safety problem of the worker.

In addition, when the outdoor unit is installed in a narrow space, it is not allowed to freely utilize the tool, so that the outdoor unit must be moved and reinstalled, or the cold refrigerant counted in the process of manually connecting the manifold gauge to the service valve It can be caught on the same phase due to the above-mentioned problem.

Korean Patent Laid-Open Publication No. 2013-0030087 (published on August 13, 2013) Korean Published Patent Application No. 2005-0118770 (published on December 20, 2005) Korean Registered Patent No. 10-0464888 (registered on December 24, 2004) Korean Patent Publication No. 2007-0100778 (Published Date October 11, 2007)

SUMMARY OF THE INVENTION An object of the present invention is to provide a manifold gauge fastening device which can secure a manifold gauge at a long distance for safe and easy filling of refrigerant in an outdoor unit installed in a rail or a narrow space .

According to an aspect of the present invention, there is provided a manifold gauge fastening apparatus comprising: an extension bar formed to extend to a predetermined length; A movable head bent at a lower end of the extension bar; A head gear rotatably fitted in the movable head and having a cap insert or a gas insert interchangeably fitted therein; A rotary shaft which is rotatably fixed within the extension bar and extends along the longitudinal direction and rotates the head gear through one or more interlocking gears installed in the movable head; And a rotation handle coupled to the rotation shaft end portion of the extension bar at the opposite side of the movable shaft to interlock the movable head through the rotation shaft or hold the rotation shaft on the extension bar to fix the movable head .

Here, the extension bar is connected to the extension bar at a predetermined angle in the longitudinal direction of the extension bar; A handle-side extension bar detachably connected to the upper side of the extended bar joint and having an upper end portion to which the rotary knob is extended; And a head side extension bar detachably connected to the lower side of the extended bar joint and having the lower end portion integrally formed with the movable head.

Further, the extended bar joint part may include a first joint part in which the handle side extension bar is extended upwardly; A second joint part extending downward from the head side extension bar and being diffractably connected to a lower side of the first joint part through a refractive rotation shaft; And a cam-type fixing knob which is provided at one side of the refractive rotation axis and fixes the first joint part and the second joint part which are shaft-fixed and is pulled in the axial direction and fixed in an angle-adjusted state.

Further, the rotation axis may be a joint rotation axis that is installed to be able to interlock with each other through the shaft connecting means according to the bending angle in the extended bar joint portion. A handle side rotary shaft rotatably mounted on the handle side extension bar such that a lower end portion of the joint shaft is extended and an upper end portion thereof is fitted and fixed in the rotary handle; And a head-side rotary shaft having an upper end extended from the articulated rotary shaft and a driving gear provided at a lower end of the articulated gear so as to engage with the interlocked gear and being rotatably fixed within the head- .

The shaft connecting means includes a first bevel gear which is provided at a lower end portion of a first joint rotary shaft, which is extended to the handle side rotary shaft and fixedly installed in the first joint portion; A second bevel gear provided on an upper end of a second joint rotary shaft extending from the head side rotary shaft and fixedly installed in the second joint; And a third bevel gear rotatably mounted on the joint rotation axis to interlockably connect the first bevel gear and the second bevel gear.

Further, the extension bar further includes at least one intermediate extension bar detachably connected to the extension bar joint and the head side extension bar and / or between the extension bar joint and the handle side extension bar, And an intermediate rotation shaft which is rotatably fixedly mounted on the intermediate extension bar and connects the joint rotation axis and the handle side rotation axis and / or the joint rotation axis and the head side rotation axis, .

Preferably, the headgear includes a insert insert groove or an insert insert groove through which the cap insert or the gas insert is inserted or fixed upward or downward.

Preferably, the cap insert is formed with a nut cap insertion groove in which a nut cap screwed to the service valve of the outdoor unit for air conditioning is fitted, inside the cap insert body inserted and fixed in the insert insertion groove.

Further, the gas insert has a gas insert body fitted and fixed in the insert insert groove; A movable nut inserted into the gas insert body so as to be vertically movable and threaded with the service valve; And a valve connection head part connected to the service valve in a gas injectable manner when the movable nut is screwed, the gas insertion body having a center part opened and a stopping part from the valve connection head part, And a gas connection pipe having a manifold connection head portion to which an outlet-side extension hose end of a manifold folder gauge is connected to a tile-side end portion of a valve connection extension pipe portion extending to the outside through a lower portion of the movable nut desirable.

Further, the rotary knob includes: a handle body fixed to the inside of the handle-side rotary shaft upper end portion by being inserted therein and extended to the upper side of the handle-side extension bar; A tubular stopper of a multi-hollow tubular shape having the same cross-sectional shape as that of the handle-side extension bar and being pullably fitted to the inside of the handle-side extension bar upper portion from the inside of the handle body; And a stopper operating knob for drawing the tubular stopper to be inserted into the upper end of the handlebar-side extension bar through a guide slot having a vertical elongated shape formed at one side of the handle body.

According to the above-described manifold gage fastening apparatus of the present invention, a head gear is provided in the movable head provided at the end of the extended bar in such a manner that the head gear can be interlocked with the rotary shaft. The cap insert and the gas insert inserted in the head gear, In order to fill the refrigerant gas in the air conditioner outdoor unit installed in one space, the nut cap screwed to the service valve of the outdoor unit for the air conditioner can be removed and the process of connecting the manifold gauge can be performed in a more safe and active place .

According to the manifold gauge fastening apparatus of the present invention, since the extension bar joint portion is formed between the handle-side extension bar and the head-side extension bar at a predetermined angle, It is possible to more conveniently perform the screw removal and fastening operation for connecting the manifold folder gauge to the service valve for filling the refrigerant gas in the outdoor unit.

Further, according to the manifold gauge fastening apparatus of the present invention, the extension bar joint portion, the handle-side extension bar, and the head-side extension bar, which constitute the extension bar, are detachably fastened to each other to facilitate storage and movement, An intermediate extension bar may be additionally provided between the extension bars and / or between the extension bar joints and the head side extension bars to provide a sufficient length for the remote operation.

According to the manifold gauge fastening apparatus of the present invention, a process of screwing and tightening the nut cap from the service valve through the cap insert and screwing and separating the gas insert into the service valve to connect the manifold folder gauge The rotating knob connected to the rotating shaft is fixed to the rotating bar through the tubular stopper so that a larger rotational force can be physically given. After the screwing and disengagement is started, the rotating handle is rotated through the tubular stopper And the rotation shaft is rotated through the rotary knob so that the screw fastening and separating operation can be performed more simply and quickly.

1 is a perspective view of a manifold folder gauge fastening apparatus according to an embodiment of the present invention.
Figure 2 is a side cross-sectional view of the manifold folder gauge fastener of Figure 1;
3 is a perspective view showing a connection state of a rotation shaft of the manifold folder gauge fastener of FIG.
4 is a side view showing a modification of the manifold folder gauge fastening apparatus according to the embodiment of the present invention.
FIG. 5 is an enlarged partial side sectional view showing the process of locking and unlocking the extension bar joint of the manifold folder gauge fastener of FIG. 1;
FIG. 6 is a side cross-sectional view showing a bent state of the manifold folder gauge fastening device of FIG. 5 through an extended bar joint part.
FIG. 7 is an enlarged partial cross-sectional view showing the locking and unlocking process of the rotary knob of the manifold folder gauge fastener of FIG. 1;
8 is a partial front sectional view of an enlarged view of a movable head portion of the manifold folder gauge fastening apparatus of Fig.
9 is a front cross-sectional view of a gas insert.
10 is a partial front sectional view showing a process of screwing the nut cap from the service valve of the outdoor unit for air conditioning using the manifold folder gauge fastener of FIG.
FIG. 11 is a partially sectional front view of a process of screwing a nut cap to a service valve of an outdoor air-conditioning outdoor unit through the cap insert of FIG. 10; FIG.
12 is a partial front sectional view showing a process of tightening a manifold folder gauge through a gas insert to a service valve of an outdoor air-conditioning unit using the manifold folder gauge fastening apparatus 1 of FIG.
FIG. 13 is a partial front sectional view of an enlarged view of a process of fastening a manifold folder gauge to a service valve of an outdoor air-conditioning unit through the gas insert of FIG. 12;

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

FIG. 1 is a perspective view of a manifold folder gauge fastening apparatus according to an embodiment of the present invention, FIG. 2 is a side sectional view of the manifold folder gauge fastening apparatus of FIG. 1, As shown in Fig.

1 to 3, the manifold folder gauge fastening apparatus 1 of the present embodiment includes an extension bar 10, a rotary shaft 40, a movable head 20, a head gear 30, and a rotary knob 50), so that the manifold folder gauge 200 for refrigerant filling can be performed remotely in a safe and active place in the air conditioner outdoor unit 100 installed in a railing or a narrow space.

Here, the extension bar 10 can be extended to a predetermined length so that a manfold folder gauge 200 can be fastened at a long distance, and a manifold folder gauge (not shown) can be installed in the outdoor air conditioner 100 installed in a narrow place, 200 may be bent at a predetermined angle so as to be more easily fastened.

Therefore, in the present embodiment, the extension bar 10 is configured to include the extension bar joint 11, the handle-side extension bar 12, and the head-side extension bar 13.

Here, the extended bar joint part 11 is foldably connected at a predetermined angle in the longitudinal center part, the handle-side extended bar 12 is extended on the upper side of the extended bar joint part 11, and a rotary knob 50 And the head side extension bar 13 is extended to the lower side of the extended bar joint part 11 and the movable head 20 is integrally bent at the lower end thereof.

It is more preferable that one of the extended bar joint 11, the handle-side extension bar 12, and the head-side extension bar 13 are detachably connected to each other so as to facilitate the movement and transportation of the device.

4 is a side sectional view showing a modified example of the manifold folder gauge fastening apparatus 1 according to the embodiment of the present invention.

4, the manifold folder gauge fastening apparatus 1 of the present embodiment includes an extension bar joint 11, a head extension bar 13 and / or an extension bar joint 11, And at least one intermediate extension bar (15) detachably fitted between and extending from the first and second intermediate extension bars (12, 12).

As described above, the required number of intermediate extension bars 15 (15) between the extension bar joint 11 and the head side extension bar 13 and / or the extension bar joint 11 and the handle side extension bar 12, Thereby ensuring a sufficient working length required for the remote closing operation of the manifold folder gauge 200 for filling refrigerant in the air conditioner outdoor unit 100 installed in a rail or a narrow space.

FIG. 5 is a partially enlarged sectional side view showing the process of locking and unlocking the extended bar joint of the manifold folder gauge fastener of FIG. 1, and FIG. 6 is a view showing a state of the tilting of the manifold folder gauge fastener of FIG. Fig.

5 and 6, an extended bar joint part 11 includes a first joint part 11a, a joint rotation shaft 41, a second joint part 11b, and a cam-shaped fixing knob 11d .

Here, the first joint part 11a is an upper joint part and the second joint part 11b is an extension part of the first joint part 11a and the first joint part 11b. And is a lower joint node portion that is diffractably connected to the lower side of the joint portion 11a through the refractive rotation axis 11c.

The cam type fixing knob 11d is provided on one side of the refractive rotation axis 11c to pull the first joint part 11a and the second joint part 11b axially fixed from the second joint part 11b to the first joint part 11b, (11a) can be bent and fixed in an angle-adjusted state.

That is, the lower end of the first joint part 11a is inserted between the fixing brackets 11e provided at the upper end of the second joint part 11b, and the lower end of the first joint part 11a is inserted through the refractive rotation shaft 11c so as to be angularly adjustable. A cam-like fixing knob 11d is provided on the tile-side end portion of the refraction rotating shaft 11c so that the fixing bracket 11e and the wall surface of the first joint portion 11a are pressed against each other according to the cam shape of the cam- Fixed or loosened.

The bending angle can be adjusted according to the installed position of the outdoor unit 100 through the extended bar joint part 11 provided at the center of the extended bar 10 in the longitudinal direction so that the service valve 110 of the outdoor unit 100 The screw cap 115 and the gas insert 70 required for screwing the manifold folder gauge 200 can be easily and conveniently screwed together and separated.

1 to 3, the rotary shaft 40 is rotatably pivotally mounted within the extension bar 10 and extends along the longitudinal direction so that the movable head 20 is rotated through the rotary knob 50, So as to rotate the head gear 30 through one or more interlocking gears 21 provided in the head gear 30.

Here, the rotary shaft 40 is formed so that the extension bar 10 is detachably coupled with the extension bar joint 11, the handle side extension bar 12, the head side extension bar 13 and the intermediate extension bar 15 And includes a joint rotary shaft 41, a handle side rotary shaft 42, a head side rotary shaft 43, and an intermediate rotary shaft 45 so as to be rotatably and axially fixed within them, .

Particularly, it is preferable that the joint rotation axis 41 is configured to be able to interlock with each other through the shaft connecting means 47 in accordance with the angle of bending in the elongated bar joint portion 11.

3, the shaft connecting means 47 includes a first bevel gear 47a, a second bevel gear 17b and a third bevel gear 47c As shown in FIG.

The first bevel gear 47a is integrally fixed to the lower end of the first joint rotary shaft 41a which is extended to the handle side rotary shaft 42 and fixed in the first joint 11a.

The second bevel gear 17b is integrally fixed to the upper end of the second joint rotary shaft 41b which is extended to the head side rotary shaft 43 and is fixed in the second joint 11b.

The third bevel gear 47c is installed on a rotary bushing 47d in the form of a circular tube fitted freely rotatably on the joint rotary shaft 41 so that the third bevel gear 47c is in contact with the tilted angle of the extended bar joint 11 So as to be coupled to the first bevel gear 47a and the second bevel gear 17b so as to be interlocked with each other.

The knob-side rotary shaft 42 is rotatably and axially fixed within the knob-side extension bar 12 so that the lower end of the knob-side rotary shaft 41 is extended and the upper end thereof is fitted into the rotary knob 50.

The head side rotary shaft 43 is rotatably and axially fixed within the head side extension bar 13. The head side rotary shaft 43 is fixed to the joint rotary shaft 41 with an upper end portion thereof extended and engaged with the interlocking gear 21 at a lower end thereof, 43a.

The intermediate rotation shaft 45 is rotatable in the intermediate extension bar 15 so as to connect between the joint rotation axis 41 and the handle side rotation axis 42 and / or between the joint rotation axis 41 and the head side rotation axis 43 As shown in FIG.

The rotary knob 50 is extended to the upper side of the handle side extension bar 12 to interlock the movable head 20 through the rotary shaft 40 or to hold the rotary shaft 40 in the extension bar 10, So that the rotational force can be transmitted in a caught state without being rotated.

FIG. 7 is an enlarged partial cross-sectional view showing the locking and unlocking process of the rotary knob of the manifold folder gauge fastener of FIG. 1;

7, in this embodiment, the rotary knob 50 is configured to include the handle body 51, the tubular stopper 54, and the stopper operating knob 55. As shown in Fig.

The handle body 51 is formed so as to be fitted and fixed in a rotary shaft engaging groove 52 provided at the upper end of the handle side rotary shaft 42 and to be extended on the upper side of the handle side extension bar 12. [ On the other hand, a tool insertion groove 56 is formed through the upper side of the handle body to transmit the rotational force by engaging the tool.

The tubular stopper 54 is formed in the shape of a hollow tube so as to be pulled out from the inside of the handle body 51 and inside the upper end portion of the handle-side extension bar 12 so as to be pulled out.

The stopper operating knob 55 is inserted into the upper end of the handle-side extension bar 12 through the guide slot 53 formed in the side of the handle 51 so as to be drawn out .

In the present embodiment, the extension bar joint 11, the handle-side extension bar 12, the head-side extension bar 13, the intermediate extension bar 15, and the rotary knob 50, which constitute the extension bar 10, Although the handle body 51 and the tubular stopper 54 are both formed in the shape of a square hollow tube, the present invention is not limited thereto. The hollow body may have a hollow shape having various polygonal cross- It is natural that it can be made in the form of a tube.

Therefore, when the lower end portion of the tubular stopper 54, which is pulled out from the inside of the handle body 51 through the stopper operating lever 55, is fitted and fixed to the inside of the handle side extension bar 12, the upper end portion of the handle side rotation shaft 42 is engaged Side extension bar 12 so that the handle body 51 of the rotary handle 50 is prevented from rotating by the tubular stopper 54. Accordingly, the headgear 30 provided in the movable head 20 is held and fixed .

On the other hand, when the lower end of the tubular stopper 54 inserted through the stopper operating lever 55 is pulled out of the handle-side extending bar 12 and the handle body 51 is rotatably separated from the handle-side extending bar 12 And the head gear 30 connected to the rotary knob 50 through the rotary shaft 40 in a linkable manner.

The head gear 30 includes a drive gear 43a and a linkage gear 21 provided at the lower end of the head side rotary shaft 43 in the movable head 20 integrally bent at the lower end of the head side extension bar 13 And are interlockingly engaged with each other.

Accordingly, the screw fastening and detaching processes required when the manifold folder gauge 200 is fastened to the service valve 110 of the outdoor unit 100 for filling the refrigerant through the head gear 30 are performed.

Fig. 8 is a partial front sectional view showing an enlarged view of a movable head portion of the manifold folder gauge fastening apparatus of Fig. 1, and Fig. 9 is a front sectional view of a gas insert.

8 and 9, an insert insert groove 32 is provided in the center of the headgear 30 to allow the cap insert 60 or the gas insert 70 to be interchangeably fitted and fixed.

The insert insert groove 32 is formed in such a manner that the cap insert 60 or the gas insert 70 is fitted and fixed to the upper side or the lower side to be fixed to the outdoor unit 100 installed in the railing, 100), it is more preferable to perform the fastening operation at a distance.

The cap insert 60 is a kind of adapter that uses a nut cap 115 fastened to the service valve 110 of the outdoor unit 100 by screwing and fastening the nut cap 115. The cap insert 60 is inserted and fixed in the insert insertion groove 32 A cap inserting groove 62 is formed inside the cap insert body 61 so that a nut cap 115 screwed to the service valve 110 of the outdoor air conditioner 100 is inserted.

On the outer circumferential surface of the cap insert body 61, fixing grooves are formed at intervals corresponding to fixing protrusions formed on the inner circumferential surface of the insert insertion groove 32 of the headgear 30, and the nut cap 115 insertion grooves 62 Are formed to have a hexagonal or octagonal cross-sectional shape corresponding to the nut cap 115.

The gas insert 70 is a kind of screw fastening and connecting device for screwing and connecting the end of the outlet extension hose 210 of the manifold folder gauge 200 to the service valve 110 of the outdoor unit 100. [

In this embodiment, the gas insert 70 is configured to include the gas insert body 71, the movable nut 73, and the valve connecting pipe 75.

The gas insert body 71 is configured to be fitted and fixed in the insert insertion groove 32 of the head gear 30 in the same manner as the cap insert 60. The gas insert body 71 includes a head gear 30, The fixing grooves formed on the inner circumferential surface of the insert insertion groove 32 are formed at intervals.

The movable nut 73 is vertically movably inserted into the gas insert body 71, and is substantially a portion where the service valve 110 is fitted and screwed.

In the valve connecting pipe 75, a valve connecting head portion 75b connected to the service valve 110 so as to be gas-injectable is fixedly caught in the movable nut 73 when the movable nut 73 is screwed, A gas insert body 71 having a center portion opened and forming a stopping portion from the connection head portion 75b and a valve connection extension pipe 75a extending through the lower portion of the movable nut 73 and extending outwardly, A manifold connection head portion 75c to which the end of the outlet extension hose 210 of the gauge 200 is connected is provided.

Hereinafter, the process of connecting the outlet extension hose 210 of the manifold folder gauge 200 to the service valve 110 of the outdoor unit 100 by screwing them through a manifold folder gauge 200 fastening device of this embodiment Will be described in more detail with reference to FIGS. 10 to 13. FIG.

As described above, in order to fasten the manifold gauge 200 to the service valve 110 of the outdoor air conditioner 100 through the gas insert 70 to the service valve 110, a nut screwed to the service valve 110 The process of screwing the cap 115 must be preceded.

FIG. 10 is a partial front sectional view showing a process of screwing a nut cap from a service valve of an outdoor air-conditioning unit using the manifold folder gauge fastening device of FIG. 1, and FIG. 11 is a cross- Sectional view showing a process of screwing the nut cap to the valve in an enlarged manner.

10 and 11, in order to screw the nut cap 115 fastened to the service valve 110 of the outdoor unit 100, the cap insert 115 corresponding to the nut cap 115 of the corresponding type 60 are inserted and fixed in the insert insertion groove 32 of the headgear 30.

A nut cap 115 fastened to the service valve 110 is inserted into the cap insertion groove 62 of the cap insert 60 while adjusting the length and bent angle of the extension bar 10 of the manifold folder gauge 200 fastener. And screw it in.

When a greater rotational force is required in the initial stage for screwing the nut cap 115 from the service valve 110, the stopper operating handle 55 of the rotary knob 50 is operated to rotate the tubular stopper The tool is inserted into the tool insertion groove 56 formed through the rotary handle 50 and the handle body 51 in a state in which the movable head 20 is fixed through the guide holes 54 and 54. [

When a large rotational force is not required after the nut cap 115 starts to be screwed off, the stopper operating knob 55 is operated to drive the rotary knob 50 through the rotary shafts 40 to drive the movable head 20, So that the nut cap 115 can be separated from the service valve 110 of the outdoor unit 100 easily and quickly.

FIG. 12 is a partial front sectional view showing a process of fastening a manifold folder gauge to a service valve of an outdoor unit for air conditioning using a manifold folder gauge fastener of FIG. 1 through a gas insert, FIG. 13 is a cross- Sectional view showing an enlarged view of the process of fastening the manifold folder gauge to the service valve of the outdoor unit for outdoor use.

12 and 13, the gas insert 70 is screwed into the service valve 110 of the outdoor unit 100 from which the nut cap 115 has been removed, so that the manifold gauge 200 for filling the refrigerant In order to connect the outlet extension hose 210, first, the gas insert 70 is selected and fixed in the insert insertion groove 32 of the head gear 30.

The manifold connecting head 75c formed below the valve connecting pipe 75 of the gas insert 70 that has passed through the insert insertion groove 32 of the headgear 30 is connected to the outlet side The ends of the extension hose 210 are screwed and extended.

The end of the service valve 110 of the outdoor unit 100 is positioned to be fitted into the movable nut 73 provided inside the gas insert body 71 through the manifold folder gauge fastening device 1, The nut 73 is screwed into the service valve 110 and tightened so that the valve connecting head portion 75b of the valve connecting pipe 75 is connected to the service valve 110. [

At this time, since a large rotational force is not required in the initial stage of screwing the movable nut 73 to the service valve 110, the stopper operating knob 55 is operated to rotate the rotary knob 50 through the rotary shaft 40, So that the movable nut 73 can be fastened to the service valve 110 of the outdoor unit 100 more easily and quickly.

When the movable nut 73 is tightened to transmit a greater rotational force so as to gas-fill the valve connecting head portion 75b of the valve connecting pipe 75 to the service valve 110, The movable handle 50 of the rotary handle 50 and the stopper operating handle 55 of the rotary handle 50 are fixed to the movable handle 20 via the tubular stopper 54, So that it is possible to transmit the necessary rotational force by grasping the tool fitted in the tool insertion groove 56 which is formed in the tool insertion groove.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but many variations and modifications may be made without departing from the spirit and scope of the invention. And it goes without saying that they belong to the scope of the present invention.

One; Manifold folder gauge fastening device 10: Extension bar
11: extension bar joint part 11a: first joint part
11b: second joint part 11c:
11d: cam type fixing handle 12: handle side extension bar
13: head side extension bar 15: intermediate extension bar
20: movable head 21: interlocking gear
30: Head gear 31: Head gear body
32: insert insert groove 40:
41: joint rotation axis 41a: first joint rotation axis
41b: second joint rotary shaft 42: handle side rotary shaft
43: head side rotary shaft 43a: drive gear
45: intermediate rotary shaft 47: shaft connecting means
47a: first bevel gear 47b: second bevel gear
47c: Third bevel gear 47d: Rotary bushing
50: rotation handle 51: handle body
52: rotation axis insertion groove 53: guide slot
54: tubular stopper 55: stopper operating knob
60: Cap insert 61: Cap insert body
62: Cap inserting groove 70: Gas insert
71: gas insert body 73: movable nut
75: gas connection pipe 75a: valve connection pipe
75b: valve connecting head portion 75c: manifold connecting head portion
100: outdoor unit 110: service valve
115: Nut cap 200: Manifold folder gauge
210: Exit side extension hose

Claims

An extension bar formed to be extendable to a predetermined length;
A movable head bent at a lower end of the extension bar;
A head gear rotatably fitted in the movable head and having a cap insert or a gas insert interchangeably fitted therein;
A rotary shaft which is rotatably fixed within the extension bar and extends along the longitudinal direction and rotates the head gear through one or more interlocking gears installed in the movable head; And
And a rotary knob which is engaged with the rotary shaft end portion of the extension bar at the opposite side of the rotary shaft to interlock the movable head through the rotary shaft or fixes the movable head to the extension bar via the rotary shaft,

The head gear includes:
An insert insert groove is formed through the center portion vertically and the cap insert or the gas insert is inserted and fixed to the upper side or the lower side,

Wherein the cap insert comprises:
A nut cap inserting groove is formed in the inside of the cap insert body inserted and fixed in the insert inserting groove so that a nut cap screwed to the service valve of the outdoor unit for air conditioning is inserted,

The gas insert,
A gas insert body inserted and fixed in the insert insertion groove;
A movable nut vertically movably inserted into the gas insert body and fitted with a service valve; And
A valve connection head portion connected to the service valve so as to be gas-injectable when the movable nut is screwed is fixedly caught in the movable nut, the gas insert body having a center portion opened and forming a locking projection from the valve connection head portion, And a gas connection pipe having a manifold connection head portion to which an outlet end extension end of the manifold gauge is connected to a tile-side end portion of the valve connection extension pipe portion extending through the lower portion of the movable nut, the manifold gauge comprising: Device.

The method of claim 1,
Wherein the extension bar comprises:
An elongated bar joint portion connected to be bent at a predetermined angle in a longitudinal direction center portion;
A handle-side extension bar detachably connected to the upper side of the extended bar joint and having an upper end portion to which the rotary knob is extended; And
And a head side extension bar detachably connected to a lower side of the extended bar joint and having a lower end integrally formed with the movable head.

3. The method of claim 2,
The extension bar joint part
A first joint part in which the handle side extension bar is extended upwardly;
A second joint part extending downward from the head side extension bar and being diffractably connected to a lower side of the first joint part through a refractive rotation shaft; And
And a cam type fixing knob provided at one side of the refractive rotation shaft and fixed to the first joint part and the second joint part in a state of being adjusted in an angle by pulling the second joint part in the axial direction.

4. The method of claim 3,
The rotation shaft
A joint rotary shaft installed to be able to interlock with each other through the shaft connecting means according to the bending angle in the extended bar joint portion;
A handle side rotary shaft rotatably mounted on the handle side extension bar such that a lower end portion of the joint shaft is extended and an upper end portion thereof is fitted and fixed in the rotary handle; And
And a head side rotary shaft provided with a drive gear for engaging and interlocking with the interlocking gear at an upper end portion of the joint rotation axis and rotatably mounted in the head side extension bar, Device.

5. The method of claim 4,
Wherein the shaft connecting means comprises:
A first bevel gear provided at a lower end of a first joint rotary shaft extending from the knob-side rotary shaft and fixed in the first joint;
A second bevel gear provided on an upper end of a second joint rotary shaft extending from the head side rotary shaft and fixedly installed in the second joint; And
And a third bevel gear rotatably fitted on the joint rotation axis to interlockably connect the first bevel gear and the second bevel gear.

The method of claim 5,
Wherein the extension bar comprises:
Further comprising at least one intermediate extension bar detachably connected to and extending from the extension bar joint and the head side extension bar and / or the extension bar joint and the handle side extension bar,

The rotation shaft
And an intermediate rotary shaft which is rotatably and axially fixed within the intermediate extension bar and which connects between the joint rotation axis and the handle side rotation shaft and / or between the joint rotation axis and the head side rotation axis, .

delete

5. The method of claim 4,
The rotary knob
A handle body that is fixed to the inside of the handle-side rotary shaft upper end portion and is extended to the upper side of the handle-side extension bar;
A tubular stopper which is pulled out from the inside of the handle body so as to be withdrawn so as to be fitted into the inside of the handle-side extension bar upper end; And
And a stopper operating knob for drawing the tubular stopper to be inserted into the upper end of the handlebar-side extension bar through a guide slot formed in a vertically elongated shape formed at one side of the handle body.