KR100620678B1 - Drill machine equipped with sliding tube - Google Patents

Abstract

The present invention is a perforator used in conjunction with the sandwich valve when the gas pipe work, the punching housing detachably coupled to the upper portion of the sandwich valve; A guide tube detachably coupled to the upper portion of the perforated housing; A sliding tube inserted into the guide tube and moving up and down; An upper tube screwed to an upper end of the sliding tube; And a drive shaft which penetrates the guide tube and the sliding tube and is coupled to the inside of the upper tube so as to be freely rotated, and moves together when the upper tube moves up and down, and a hole saw is attached to the lower end thereof. Shaft); comprising, a guide groove in the longitudinal direction on the outer circumferential surface of the guide tube; is provided with a guide pin for moving along the guide groove on one side of the sliding tube; It is about a perforator.

Guide tube, sliding tube, upper tube, drive shaft, perforated housing

Description

Drill Machine equipped with sliding tube}

1 is a cross-sectional view of a specific embodiment of the present invention.

2 is a perspective view of a specific embodiment of the present invention.

3 is a cross-sectional view A-A of FIG.

4 is a perspective view of a conventional perforator.

<Description of the symbols for the main parts of the drawings>

100: perforated housing

110: sight window 120: bleder valve (bleeder valve)

200: guide tube

210: guide groove 220: seating groove

300: sliding tube

310: guide pin 320: fixed handle

400: upper tube

410: rotation handle

500: drive shaft

Technical Field

The present invention is a device used in the case of blocking a certain section in the gas pipe and performing a predetermined plumbing work, which can be used together with a sandwich valve to perform drilling, tapping and plugging of the pipe. It is about a perforator.

Prior art

When repair and replacement work are necessary due to branching of gas pipes or other failures of gas valves or damage to the pipes themselves, the gas supply is limited to the specific section where the work is performed, and the gas is normally supplied to the remaining sections. Blocking certain sections of piping should be preceded.

In this case, the perforator used in this case is used in conjunction with the sandwich valve 30, as shown in Figure 4, the lower end of the drive shaft 10 is equipped with a hole saw (hole saw).

Thus, in order to access the drive shaft 10 equipped with hole saws to the pipe, the drive shaft 10 of the perforator 20 and the screwed drive shaft 10 need to be rotated several times or several times to move up and down of the drive shaft 10. There was a problem that the work time is excessively possible and the work efficiency is reduced.

In addition, in the case of gas pipe work, after using the hole saw, the drive shaft 10 must be moved upward to take the hole saw out of the pipe again, and after replacing the hole saw with a tap for the tapping operation again, Again, the drive shaft 10 must be moved downward to access the tabs in the perforated holes of the pipe, and when the tapping operation is completed, a series of sliding operations such as moving the drive shaft 10 upward to take the tab out of the pipe again. Considering that the drive shaft 10 should be repeatedly moved in the process, the conventional drilling machine, which is not equipped with a means capable of moving the drive shaft 10 more quickly, has a very low work efficiency.

In addition, the conventional boring machine does not have a method of visually observing the state of the tapping or plugging operation after the drilling process and the drilling, there is a problem that can not determine whether the drilling operation is properly performed, the quality of the work is deteriorated as well as safety The risk of an accident was also relatively high.

The object of the present invention created to solve the above problems is as follows.

First, it is an object of the present invention to provide a means capable of quickly moving the drive shaft.

Second, another object of the present invention is to provide a means for confirming the working state by directly observing the working process.

Third, another object of the present invention is to provide a means for shortening the working time to improve working efficiency.

The configuration of the present invention created to achieve the above object is as follows.

The present invention is a perforator used in conjunction with the sandwich valve when the gas pipe work, the punching housing detachably coupled to the upper portion of the sandwich valve; A guide tube detachably coupled to the upper portion of the perforated housing; A sliding tube inserted into the guide tube and moving up and down; An upper tube screwed to an upper end of the sliding tube; And a drive shaft which penetrates the guide tube and the sliding tube and is coupled to the inside of the upper tube so as to be freely rotated, and moves together when the upper tube moves up and down, and a hole saw is attached to the lower end thereof. Shaft); is configured, including the guide groove in the longitudinal direction on the outer circumferential surface of the guide tube, a guide pin for moving along the guide groove on one side of the sliding tube; characterized in that is provided.

Hereinafter, with reference to the accompanying drawings, a specific embodiment of the present invention will be described in detail.

1 is a cross-sectional view of a specific embodiment of the present invention, and FIG. 2 is a perspective view of a specific embodiment of the present invention.

3 shows a cross section A-A of FIG.

According to the attached Figures 1 to 3, the present invention is a perforated housing 100 detachably coupled to the upper portion of the sandwich valve, a guide tube 200 detachably coupled to the upper portion of the perforated housing 100, A sliding tube 300 inserted into the guide tube 200 to move up and down, and an upper tube 400 screwed to an upper end of the sliding tube 300; And, penetrates the guide tube 200 and the sliding tube 300, coupled to the free rotation inside the upper tube 400 is moved together when moving up and down of the upper tube 400, the lower portion of the hole And a drive shaft 500 to which a hole saw is attached.

In addition, the outer circumferential surface of the guide tube 200 is provided with a guide groove 210 in the longitudinal direction, one side of the sliding tube 300 is provided with a guide pin 310 to move along the guide groove 210.

In addition, the guide tube 200 is further cut along one side along the guide groove 210 is provided with a plurality of seating grooves 220 for receiving the guide pin 310.

The fixed handle 320 is screwed to the sliding tube 300 and the inner end thereof is configured to contact the outer peripheral surface of the guide tube 200, the rotary handle 410 is provided on the outer peripheral surface of the upper tube 400 do.

The perforated housing 100 has a space formed therein, and when the drive shaft 500 moves upward, a hole saw attached to the lower end of the drive shaft 500 is accommodated in the perforated housing 100. Can be.

The sandwich valve is coupled to the lower portion of the perforated housing 100, and the guide tube 200 is coupled to the upper portion of the blue housing.

The transparent viewing window 110 is provided on the upper surface of the perforated housing 100, and the bleeder valve 120 is provided at one side thereof. As such, the transparent viewing window 110 is provided, so that the worker can directly observe the working process with the naked eye, thereby enabling more effective work.

The bleeder valve 120 is used to discharge the gas remaining in the perforated housing 100 in the working process.

Guide tube 200 is coupled to the upper portion of the perforated housing and is provided with a guide groove 210 cut in the longitudinal direction of the guide tube 200 along its outer circumferential surface, the guide groove 210 is formed by cutting to one side thereof A plurality of grooves 220 are provided along the longitudinal direction of the guide tube 200.

The sliding tube 300 is inserted into the outer circumferential surface of the guide tube 200, it is possible to slide up and down along the guide tube 200.

The sliding tube 300 is accommodated in the guide groove 210 to move up and down along the guide groove 210 to guide the shanghai dong of the sliding tube 300 in the inner peripheral surface of the sliding tube 300 Extruded inwardly.

As shown in FIG. 3, the guide pin 310 is mounted to protrude through the inner circumferential surface of the sliding tube 300 and is received in the guide groove 210.

The guide pin 310 may move along the guide groove 210 and be seated in the seating groove 220 shown in FIG. 2.

In other words, when the sliding tube 300 moves up and down while being inserted into the guide tube 200 and reaches the proper position, the guide pin 310 is rotated when the sliding tube 300 is rotated in the direction in which the seating groove 220 is formed. It is seated in the seating groove 220 formed along the guide groove 210, and if the guide pin 310 does not return from the seating groove 220 to the screw thread guide groove 210 is prevented the movement of the sliding tube (300).

Fixed knob 320 is provided in the sliding tube 300, as shown in Figures 1 and 3 screwed to penetrate toward the inner peripheral surface from the outer peripheral surface of the sliding tube 300, as shown in the guide pin 310, fixed When the handle 320 is rotated and moved inward (locked state), the end of the fixed handle 320 contacts the outer circumferential surface of the guide tube 200 to support the guide tube 200. In addition, when the fixed handle 320 is rotated in the opposite direction and moved outward (unlocked state), the end of the fixed handle 320 and the outer surface of the guide tube 200 are released.

As described above, the sliding tube 300 can be moved up and down to a desired position by using the fixed handle 320, and when the desired position is reached, the sliding tube 300 is seated using the fixed handle 320. Rotate in the direction in which the 220 is formed, and when the guide pin 310 is seated in the seating groove 220, the fixed handle 320 is rotated in a locked state so that the end of the fixed handle 320 is formed on the outer circumferential surface of the guide tube 200. When firmly supported, the relative movement of the sliding tube 300 and the guide tube 200 can be prevented. That is, the sliding tube 300 and the guide tube 200 is maintained in a fixed state integrally.

The upper tube 400 is screwed to the outer circumferential surface of the sliding tube 300, when the upper tube 400 is rotated to move up and down along the advancing direction of the screw with respect to the sliding tube (300).

The upper tube 400 is provided with a rotary knob 410 for the rotation of the upper tube (400).

Since the upper tube 400 is screwed to the sliding tube 300 as described above, the drive shaft 500 can be quickly moved by using the rapid moving shaft of the sliding tube 300, and the sliding tube 300 And the guide tube 200 by rotating the upper tube 400 by using the rotary knob 410 in a state that is integrally coupled using the fixed handle 320 may drive the drive shaft 500 more precisely. .

When such sophisticated shandong is needed, it is used to accurately and safely approach the hole sow mounted at the end of the drive shaft 500 to the pipe.

That is, the drive shaft 500 is roughly approached to the pipe by using the sliding tube 300, and the sliding tube is rotated by rotating the fixing knob 320 while the guide pin 310 is seated in the seating groove 220. After the 300 and the guide tube 200 are integrally combined, the upper shaft 400 is rotated using the rotation knob 410 to slowly approach the drive shaft 500 to the pipe.

In this way, safer and more accurate work is possible.

The drive shaft 500 is coupled to enable free rotation inside the upper tube 400 as shown in FIG. 1, and the lower end passes through the sliding tube 300 and the guide tube 200 to reach the perforated housing 100. The lower end is provided with a hole saw, and the upper end is connected to a driving device so that a hexagonal or quadrangle cross section is formed to receive power.

The upper end of the drive shaft 500 is coupled to the driving device to rotate the hole saw to make the drilling work.

The drive shaft 500 is to be shandong along the shandong of the upper tube (400).

That is, when the sliding tube 300 is moved up and down along the guide tube 200, the upper tube 400 screwed with the sliding tube 300 is moved up and down and free rotation is possible inside the upper tube 400. Combined drive shaft 500 will also be Shanghai.

Technical effects of the present invention according to the above configuration is as follows.

First, drive shafts can be moved quickly.

In other words, if the sliding tube moves up and down rapidly along the guide tube, the upper tube coupled with the sliding tube moves up and down together, and the drive shaft coupled to allow the free rotation inside the upper tube is simultaneously Shanghai East will be.

Therefore, it is possible to move up and down the drive shaft for mounting and replacing the hole saw at the same time, it is also possible to move the drive shaft equipped with the hole saw to move quickly to the pipe.

Second, the working status can be confirmed by directly observing the working process.

In other words, unlike the conventional perforator, a transparent viewing window is provided on the upper part of the perforated housing to visually observe the whole process of the work to directly check the working state, which enables more effective work and prevents the risk of safety accidents early. Can be.

Third, work efficiency can be improved by shortening the working time.

In other words, the conventional perforator as shown in Fig. 4 has to rotate the drive shaft screwed with the body of the perforator and the drive shaft screwed several times to several tens of times in order to access the drive shaft equipped with the hole saw to the pipe. There was a problem that the work time is excessively consumed and the work efficiency is deteriorated.In the case of gas pipe work, after using the hole saw, the drive shaft must be moved upward to take the hole saw out of the pipe again. In order to tap again, the hole shaft should be replaced with a tap, and then the drive shaft 500 should be moved downward to access the perforated hole of the pipe again. Drive shaft during a series of sliding operations, such as moving the drive shaft up Considering that the shandong of 500 should be made repeatedly, the conventional drilling machine, which is not equipped with a means to make the shandong of the drive shaft 500 more quickly, has a very low work efficiency. In this case, the sliding shaft can be used to quickly move the shaft of the drive shaft, greatly reducing the working time, thereby significantly increasing the work efficiency.

Claims (4)

A perforator used in conjunction with the sandwich valve when the gas pipe work, A perforated housing detachably coupled to the upper portion of the sandwich valve; A guide tube detachably coupled to the upper portion of the perforated housing; A sliding tube inserted into the guide tube and moving up and down; An upper tube screwed to an upper end of the sliding tube; And, A drive shaft penetrates the guide tube and the sliding tube, and is coupled to the inside of the upper tube to allow free rotation, and moves together when the upper tube moves up and down, and a hole saw is attached to a lower end thereof. ; Consists of including The outer circumferential surface of the guide tube; a guide groove in the longitudinal direction is provided, Sliding perforator, characterized in that provided on one side of the sliding tube; a guide pin to move along the guide groove. The method of claim 1, wherein the guide tube, And a plurality of seating recesses which are cut along one side of the guide groove to accommodate the guide pins. In claim 2, A fixed handle screwed to the sliding tube and having an inner end thereof in contact with an outer circumferential surface of the guide tube; And, And a rotation knob formed on an outer circumferential surface of the upper tube. According to any one of claims 1 to 3, The perforated housing, Transparent viewing window on the upper surface; is provided, on one side of the sliding borer; characterized in that the provided.

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