JP2007253242A - Device for marking insertion length of piping joint member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve a marking jig used in a prior art so that the marking jig is easily carried by reducing its size, and is simply and exactly used, thereby is excellent in its workability, and is also used for a long time. <P>SOLUTION: The marking device is composed of a plurality of strip shape members. The respective strip members have reference engaging portions which are engaged with the end portion of a pipe, and are formed on one end portion of the strip shape members so as to project. A pair of slit shape window holes for marking are formed at required distances from the reference engaging portions. Especially because the marking jig is composed of strip shape members, the marking jig is compact, and can be easily carried by putting it in a waist bag of an operator. In addition, because the size of the diameter of the pipe to be marked is shown on an indicating portion, a marking operation can be easily and correctly carried out without failure. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention is, for example, a water supply pipe or a drain pipe in a high-rise apartment building such as a condominium or an office high-rise building or the like, and in order to properly connect the pipe using a vinyl chloride pipe, the pipe is inserted into the joint member. The present invention relates to an insertion length marking device for marking an allowance (insertion length).

  Conventionally, with regard to the connection of such pipes, the insertion allowance of the pipe end portion with respect to the connecting pipe of the joint member, that is, the insertion length is a length corresponding to the pipe diameter of the pipe, that is, if the pipe diameter is 30 mm, it is substantially omitted. As long as 30mm is inserted into the connecting pipe as an insertion allowance, it is recognized that a stable pipe connection has been made. To mark the insertion allowance, for example, a "marking gauge" shown in FIGS. A jig 1 is used and is known.

  This known jig 1 is made of plastic and has a rectangular shape (approximately 250 mm × 350 mm) as a whole, and a reference projection 2 for contacting one end of the pipe with the end of the pipe is formed. A plurality of notches 3a, 3b,... 3n are formed from the reference protrusion 2 with a required interval, and the notch width (size) of each notch 3 is approximately 15 mm in the direction of the reference protrusion 2. Display portions 4 a, 4 b,..., 4 n displaying tube diameters for marking are provided at the edge of each notch at the side of the reference protrusion 2. Actually, it is a jig capable of marking pipes having 20 or more types of pipe diameters from 30 mm to 250 mm.

  For example, if the notch for marking with a pipe diameter of 30 mm is the notch 3a, the display part 4a has, for example, “D30” displayed on the notch 3b for marking with a 40 mm pipe. "D40" is displayed on the display unit 4b. And while observing the display, a pair of markings are made by drawing a line on both sides of the notch width with respect to the corresponding pipe diameter.

  In this case, as shown in FIG. 10, for example, if the pipe diameter to be piped is 40 mm, the reference projection 2 is brought into contact with the end of the pipe as shown in FIG. 11, the jig 1 is fixed so as to be pressed against the pipe, and two lines are marked by drawing a line along both edges in the notch width of the notch 3b, one of which is This marking is for the insertion length, and the other side is used to check whether the connection is properly secured after connection work. It is.

JP2003-340751A

  The known marking jig is made of plastic and has a rectangular plate shape with the required size as a whole, so it cannot be folded and is bulky and difficult to carry around without entering a technician's waist bag, Since there are many notches adjacent to each other, it is difficult to find the notches according to the pipe diameter, and it is easy to make mistakes. , Has a problem that it can not be used for a long time.

  Therefore, the marking jig according to the known technique is reduced in size and compact for easy carrying, and it can be easily and accurately used to facilitate workability and to have a configuration that can be used for a long time. Has a problem.

  1st example which concerns on this invention consists of several strip-shaped member, and each strip-shaped member protrudes and forms the reference | standard latching | locking part latched to the edge part of piping at one end part, The reference | standard latching A marking device having a plug-in length with respect to a pipe joint member, in which a pair of slit-like window holes for marking are formed at a predetermined interval from the portion.

In the second example according to the present invention, a reference locking portion to be locked to the end portion of the pipe is formed to protrude from one end portion of the surface material formed of a strip-shaped member, and in the length direction of the surface material. A marking device having an insertion length with respect to a pipe joint member is provided in which a slide hole is formed in the central portion along the mark, and a marking printing member is slidably disposed in the slide hole.

  In the marking device of the first example, the plurality of strip-shaped members are formed with different lengths, and the pair of slit-shaped window holes for marking are formed at different positions according to the lengths; Provided on the surface side of the strip-shaped member a size display portion of the corresponding tube diameter to be marked; Are included as additional requirements.

  Further, in the marking device of the second example, spacers are provided on both side edges on the back surface side of the surface material; and marking for positioning a marking printing member adjacent to the slide hole of the surface material. It is included as an additional requirement that a size indicator for the corresponding tube diameter should be provided.

  Since the marking device according to the present invention is formed of a strip-shaped member in both the first and second examples, the marking device is small and compact and can be easily carried in an engineer's waist bag. Since the size of the corresponding tube diameter to be marked is displayed on the display unit, it is easy to handle, easy to understand, and has an excellent effect that marking can be performed without making a mistake.

  Next, description will be made with reference to FIGS. 1 to 3 showing a first embodiment of the present invention. As shown in FIG. 1, the marking device 10 having an insertion length according to the first embodiment is, for example, a strip-shaped member made of a plurality of (eight) strip-shaped or elongated rectangular plate-shaped members. In other words, one end of the scales 11a, 11b, 11c... Is bundled with the ring 12 so that it can be easily carried.

  In this case, the strip-shaped members, that is, the scales 11a, 11b, 11c,... Are formed of, for example, a stainless steel plate having a thickness of 1 mm or less, and the width is a total width within a range of about 30 to 35 mm. Is in the range of 250 to 350 mm, and is formed by gradually changing the length from a short one to a long one in a range of, for example, 2 to 3 mm. The strip-shaped member is not limited to metal and may be formed of plastic.

  The reason for changing this length is, for example, by narrowing variations to the pipe diameter of the water supply / drainage pipe that is generally required as a housing complex. For example, the pipe diameter is 30 mm, 40 mm, 50 mm, 65 mm, 75 mm, 100 mm. , 125 mm, 150 mm, and eight types of scales 11 a, 11 b, 11 c... Are established as one marking device 10, and the scales can be increased or decreased as necessary.

  The configuration of one scale 11a will be described. The reference locking portion 13 is bent at a substantially right angle at one end thereof so as to project, for example, 5 to 10 mm. In short, the reference locking portion 13 is used to set a marking position by hooking to the end of the pipe, and a pair of slit-shaped window holes for marking at a predetermined interval position from the reference locking portion 13. 14 and 15 are provided in a direction orthogonal to the length direction.

  In this case, the slit-like window holes 14 and 15 are parallel and the interval is about 15 mm. In addition, a through-hole 16 is provided on the other end side so that the ring 12 can be inserted into a group, and the surface on the end side where the reference locking portion 13 is formed for each scale is, for example, “30A ”,“ 40A ”or“ 150A ”or the like is provided with a display unit 17 that clearly and clearly displays the numerical value of the pipe diameter in which the scale is used. That is, the display unit 17 displays the size of the corresponding tube diameter to be marked.

  All the other scales 11b, 11c,... Have the same basic configuration. For example, if the scale is for the shortest 30 mm, a slit shape is formed at a position approximately 30 mm from the reference locking portion 13. A window hole 14 is formed, and a slit-shaped window hole 15 is formed at a position of 15 mm from the slit-shaped window hole 14.

  As shown in FIG. 2, the marking device 10 configured in this way is in a state where it is always bundled into a rod shape by the ring 12, and can be easily carried in a technician's waist bag at a construction site. In addition, as shown in FIG. 3A, when the pipe 18 to be connected is 100 mm, for example, when the pipe 18 to be connected is 100 mm, the scale 11c is used as the reference of the scale 11c at the end of the pipe 18 using the corresponding scale 11c. The whole is pressed with the locking portion 13 hooked, and two-line marking is performed with oil-based ink having a felt pen tip along the slit-like window holes 14 and 15.

  The pipe 18 marked in this way is, as shown in FIG. 3 (b), the mark a on the end side drawn by the slit-like window hole 14 indicates the insertion length of the pipe 18, The mark b drawn by the other slit-like window hole 15 is a relief and is used for visually confirming later whether or not it is properly connected.

A second embodiment according to the present invention is shown in FIGS.
First, FIG. 4 is a plan view showing the marking device 20, which is formed of, for example, a plastic strip-shaped member, or a stainless steel plate having a thickness of about 1 mm and represented by an elongated rectangular plate-shaped member. A face plate 21 is formed. In this case, the width of the surface plate 21 is formed to about 30 to 40 mm, and the length thereof is formed to about 300 to 350 mm. A slit-like slide is formed along the length direction at the center of the length direction. A hole 22 is formed.

  And as shown in FIG. 5, while forming the reference | standard latching part 23 which protrudes at right angle with the length of about 5-10 mm on the back surface side of one edge part side, the back surface side from the both sides of the surface board 21 is formed. A girder or spacer 24 is provided along the length direction so as to hang down. For example, the spacer 24 is preferably made of a metal such as aluminum because it is light in weight, but is not limited to a metal and may be made of plastic. In addition, the said reference latching | locking part 23 is for hooking on the edge part of piping, and setting a marking position similarly to the said 1st Embodiment.

  A marking printing member 25 is slidably disposed in a slide hole 22 provided in the surface plate 21. In this case, as shown in FIGS. 6 and 7, the printing member 25 includes an enlarged diameter portion 25a positioned at the upper portion of the slide hole 22, a narrow diameter portion 25b that engages with the slide hole 22, and a print pad portion 25c. The top plate 21 includes a knob 25d projecting upward, and is prevented from being pulled out by sandwiching the surface plate 21 from above and below by the enlarged diameter portion 25a and the printing pad portion 25c. The printing member 25 can be freely moved from end to end of the slide hole 22.

  In this case, in the slide hole 22, the end on the reference locking portion 23 side is a marking position with a tube diameter of 30 mm, and the other end on the opposite side is a marking position with a tube diameter of 150 mm. Between them, there is provided a display section 26 which is established by calculating or measuring a marking position with a tube diameter of 40 mm to 125 mm properly and displaying the position numerically and clearly. The numerical display indicates the size of the corresponding pipe diameter to be marked, for example, 30A, 40A, 50A or 150A, etc., which can be easily identified by an engineer who handles this. It is.

  In actual use, for example, when the pipe 18 has a pipe diameter of 100 mm, the printing member 25 is set in accordance with the display position of 100A on the surface plate 21, and the reference locking portion 23 is connected to the end of the pipe 18. The marking device 20 is positioned along the pipe 18 in a state of being hooked on the part, and the printing pad part 25c is lowered just by slightly pressing the knob 25d, and the marking c is printed on the surface of the pipe 18.

  The marking c is a conspicuous and elongated diamond-shaped figure. A mark a indicating the insertion length is provided at the center of the diamond-shaped figure, and a mark b serving as a relief is printed at both ends. In this case, only the two lines of the mark a and the mark b may be used, but it is difficult to see by overlapping with various symbols / marks or manufacturer names printed on the piping at the time of operation. The unique marking c is used.

  When connecting the pipe 18 printed with the marking c in this way, as shown in FIG. 8, the pipe 18 is inserted and connected from both sides to a joint member (connecting pipe) 27 made of the same material. However, in both the pipe 18 to be inserted first and the pipe 18 to be inserted later, the pipe 18 is inserted into the joint member 27 with an adhesive applied from the end side of the pipe to the mark a. In the insertion length, if the pipe 18 inserted earlier is inserted longer, the pipe 18 inserted later cannot be inserted to the position of the mark a.

  Therefore, it is confirmed that the pipe 18 inserted first is properly connected by checking the position of the mark b for relief, and the pipe 18 inserted later is also properly inserted up to the mark a. It becomes.

  In any case, the marking device according to the present invention displays an appropriate insertion allowance at the end of the pipe connected to the joint member in the connection of a pipe such as a water supply pipe or a drain pipe, and the insertion length is By avoiding being biased to one side, it becomes possible to achieve a stable connection, which prevents water leakage at the joint member position, and is not limited to the connection of water supply / drainage pipes in high-rise housing. It can be used in a wide range of connections.

It is the top view which opened and showed each scale of the marking device concerning a 1st embodiment of the present invention. The marking apparatus which concerns on the embodiment is shown schematically in a state where it can be carried together, wherein (a) is a plan view thereof and (b) is a side view thereof. The example of use of the marking apparatus which concerns on the embodiment is shown, (a) A figure is the perspective view, (b) A figure is a perspective view which shows piping after marking. It is the top view which showed schematically the marking apparatus which concerns on the 2nd Embodiment of this invention. It is the side view which showed schematically the marking apparatus which concerns on the embodiment. It is the side view which expanded and showed roughly the principal part of the marking apparatus which concerns on the embodiment, and has shown the mark printed by rotating piping 90 degrees after marking. It is sectional drawing of the front side which expanded and showed schematically the principal part of the marking apparatus which concerns on the embodiment. It is a top view which shows the condition which inserts and connects two marked piping printed with the marking apparatus which concerns on the embodiment to a coupling member. It is the top view which showed schematically the marking gauge (jig) which concerns on a prior art example. It is a side view of the principal part which shows the situation which marks the marking gauge of the conventional example along piping. It is a side view of the principal part which shows the situation which presses the marking gauge of the prior art example to piping, and marks.

Explanation of symbols

10, 20 Marking device; 11a, 11b, 11c ... Scale;
12 Ring; 13, 23 Reference locking part; 14, 15 Slit-like window hole;
16 through-hole; 17, 26 display part; 18 piping; 21 surface plate;
22 sliding holes; 24 girders or spacers; 25a expanded diameter part;
25b Small diameter part; 25c Printing pad part; 25d Knob part;
27 Joint member; a, b mark; c marking.

Claims (7)

It consists of a plurality of strip-shaped members, and each strip-shaped member is formed with a reference locking portion protruding from one end to be locked to the end of the pipe, and a pair of markings with a predetermined interval from the reference locking portion. A marking device for insertion length to a pipe joint member, characterized in that a slit-like window hole is formed. The marking device according to claim 1, wherein the plurality of strip-shaped members are formed with different lengths, and the pair of marking slit-shaped window holes are formed at different positions according to the lengths. The marking device according to claim 1 or 2, wherein a size display portion of a corresponding tube diameter to be marked is provided on the surface side of the strip-shaped member. A through hole was provided on the other end side of the plurality of strip-shaped members, and a ring was inserted into the through hole to form a bundle.
The marking device according to any one of claims 1 to 3. At one end of the surface material formed of a strip-shaped member, a reference locking portion that is locked to the end of the pipe is projected and formed, and a slide hole is formed at the center along the length direction of the surface material. ,
A marking device having an insertion length for a pipe joint member, wherein a marking printing member is slidably disposed in the slide hole. The marking device according to claim 5, wherein spacers are provided on both side edges on the back side of the surface material. The marking device according to claim 5 or 6, wherein a size display portion of a corresponding pipe diameter to be marked for positioning a marking printing member is provided adjacent to the slide hole of the surface material.

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