Line-drawing identification device for PVC (polyvinyl chloride) pipe

By introducing a sliding plate and a detachable brush structure into the line drawing identification device for PVC pipes, the replacement difficulties and single color problems caused by fixed installation of line drawing pens are solved, and quick replacement and multi-color selection of line drawing pens are achieved.

CN223289800UActive Publication Date: 2025-09-02HUBEI JIULIANHUAN NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202422740909.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-09-02
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

In the existing PVC pipe line drawing marking device, the line drawing pen is installed in a fixed manner, and it is not convenient to replace pens of different colors.

Method used

A line drawing component including line drawing track, sliding plate, scale line, pointer, pen holder, spring, clasp and bolt is designed. The sliding plate drives the pointer and pen holder to move. With the scale line drawing, the brush can be detached and replaced, and the spring and clasp hoop can be used to achieve quick replacement of the brush.

Benefits of technology

It realizes quick replacement of line drawing pens and convenient use of different color pens, solves the problem of timely replacement of line drawing pens after being damaged, and improves the flexibility and practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a line marking device for a PVC (polyvinyl chloride) pipe, and relates to the technical field of PVC pipe processing. The line-drawing identification device for the PVC pipe comprises a line-drawing track and a line-drawing assembly, the line-drawing assembly comprises a sliding plate, scale marks, a pointer, a pen container, a spring, a hoop, a bolt and a painting brush, the sliding plate is slidably connected into the line-drawing track, the pointer is fixedly connected with the sliding plate, the pen container is slidably connected into the sliding plate, the spring is fixedly connected between the pen container and the sliding plate, and the spring is fixedly connected between the pointer and the sliding plate. The hoop is arranged on the outer surface of the pen container, the bolt is in threaded connection with the hoop, the paintbrush is slidably connected into the pen container, movement of the sliding plate drives the pointer to move, lines can be drawn on the corresponding position of the surface of a pipe through the cooperation of the scale marks, and the pen point of the paintbrush can draw lines on the surface of the pipe by pressing the pen container downwards during line drawing. And the bolt is unscrewed to unscrew the hoop, so that the painting pen can be taken out from the interior of the pen container, and rapid line drawing of the pipe and replacement of the line drawing pen are achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of PVC pipe processing, in particular to a line marking device for PVC pipes. Background Art

[0002] PVC pipes have excellent corrosion and chemical resistance and are not affected by moisture and soil pH. No anti-corrosion treatment is required during pipe laying. They are also watertight, whether connected by bonding or rubber rings. PVC pipe cutting is done to meet various project requirements. Whether it is to adapt to specific installation dimensions, connect other components, repair damaged parts, or for waste disposal, cutting is an important step in achieving these goals.

[0003] PVC pipes need to be marked before cutting to ensure the required size of the cutting. Announcement No. CN219946197U discloses a PVC pipe outer marking device, including a track plate, on which a marking assembly is slidably provided through a guide groove. The PVC pipe outer marking device, through two clamping assemblies provided on each positioning plate, can place the PVC pipe between four clamping rods, and then adjust the distance between the four clamping rods through the linkage assembly to clamp the PVC pipe through the four clamping rods, so as to lock the track plate on the PVC pipe. The marking pen is mounted on the PVC pipe by sliding the marking assembly in the guide groove to the appropriate position according to the centimeter scale line, and the marking pen at the bottom is brought into contact with the PVC pipe by pressing the lifting rod. The marking device is light as a whole and easy to carry, which can meet the needs of use on the construction site. The device is easy to use and can meet various needs. However, the marking pen in the utility model is fixedly mounted on the marking assembly, and it is impossible to replace the marking pen in time after it is damaged, and it is also inconvenient to use pens of different colors to draw lines. Therefore, a marking device for PVC pipes with a replaceable pen is needed. Utility Model Content

[0004] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art and to provide a marking device for PVC pipes, which can solve the problem that the marking pen of the device is fixedly installed on the marking assembly, and it is impossible to replace the marking pen in time after it is damaged, and it is not convenient to use pens of different colors for marking.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a marking device for PVC pipes, comprising a marking track and a marking assembly, the marking assembly comprising a sliding plate, scale lines, a pointer, a pen holder, a spring, a clamp, a bolt and a paintbrush, the sliding plate being slidably connected to the inside of the marking track, the scale lines being arranged on the top surface of the marking track, the pointer being fixedly connected to the sliding plate, the pointer being slidably connected to the marking track, the pen holder being slidably connected to the inside of the sliding plate, the spring being fixedly connected between the pen holder and the sliding plate, the clamp being arranged on the outer surface of the pen holder, the bolt being threadedly connected to the clamp, and the paintbrush being slidably connected to the inside of the pen holder.

[0006] Preferably, a sliding groove for the sliding plate to slide is provided on the line drawing track.

[0007] Preferably, a sliding groove for the pointer to slide is provided on the surface of the line drawing track.

[0008] Preferably, both sides of the line drawing track are fixedly connected with fixing parts.

[0009] Preferably, a threaded rod is rotatably connected inside the fixing member, and one end of the threaded rod extending out of the fixing member is fixedly connected to a knob.

[0010] Preferably, a clamping plate is threadedly sleeved on the surface of the threaded rod, and a limiting groove for the clamping plate to slide is provided inside the fixing piece.

[0011] Preferably, the bottom of the clamping plate is fixedly connected to a base.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The PVC pipe marking device has a pointer that moves with the movement of the sliding plate, and can draw lines on the corresponding positions on the pipe surface in conjunction with the scale lines. When drawing lines, the pen holder is pressed down to make the pen tip draw lines on the pipe surface. The pen can be removed from the inside of the pen holder by loosening the bolt and the clamp, thereby realizing quick marking of pipes and replacement of the marking pen. This solves the problem that the marking pen is fixedly installed on the marking assembly, making it impossible to replace the marking pen in time after it is damaged, and it is also inconvenient to use pens of different colors for marking lines. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0015] Figure 1 This is a schematic diagram of the main body of the utility model;

[0016] Figure 2 For the utility model Figure 1 Schematic diagram at point A in the middle;

[0017] Figure 3 This is a schematic diagram of a fixing member of the present invention.

[0018] Figure numerals: 1. drawing track; 2. fixing part; 3. threaded rod; 4. clamping plate; 5. knob; 6. base; 7. limit groove; 8. slide groove; 9. sliding plate; 10. scale line; 11. pointer; 12. pen holder; 13. spring; 14. clamp; 15. bolt; 16. paintbrush. DETAILED DESCRIPTION

[0019] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0020] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0021] In the description of this utility model, terms such as "greater than," "less than," and "exceed" are understood to exclude the number indicated, while terms such as "above," "below," and "within" are understood to include the number indicated. The terms "first" and "second" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features indicated.

[0022] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0023] See also Figure 1-3The utility model provides a technical solution: a marking device for PVC pipes, comprising a marking track 1 and a marking assembly, the marking assembly comprising a sliding plate 9, a scale line 10, a pointer 11, a pen holder 12, a spring 13, a clamp 14, a bolt 15 and a paintbrush 16, the sliding plate 9 is slidably connected to the inside of the marking track 1, the scale line 10 is arranged on the top surface of the marking track 1, the pointer 11 is fixedly connected to the sliding plate 9, the pointer 11 is slidably connected to the marking track 1, the pen holder 12 is slidably connected to the inside of the sliding plate 9, the spring 13 is fixedly connected between the pen holder 12 and the sliding plate 9, the clamp 14 is arranged on the outer surface of the pen holder 12, the bolt 15 is threadedly connected to the clamp 14, the paintbrush 16 is slidably connected to the inside of the pen holder 12, a sliding groove 8 for the sliding plate 9 to slide is opened on the marking track 1, a sliding groove for the pointer 11 to slide is opened on the surface of the marking track 1, the sliding plate 9 can slide on the sliding groove 8 to drive the pen holder 12 and the inner When the brush 16 needs to be replaced, the brush 16 can be taken out from the inside of the brush barrel 12 by loosening the bolt 15 and the clamp 14, and then a different brush 16 can be put into the inside of the brush barrel 12. The cylindrical position on the brush barrel 12 is made of a plastic material with a variable shape, and the clamp 14 can be used to clamp the brush 16 inside the pen barrel 12 to position it. The above structure is used to realize quick drawing of pipes and replacement of the drawing pen, which solves the problem that the device drawing pen is fixedly installed on the drawing assembly, and cannot be replaced in time after the drawing pen is damaged, and it is not convenient to use pens of different colors to draw lines.

[0024] Furthermore, both sides of the drawing track 1 are fixedly connected with fixing parts 2, and the internal rotation of the fixing part 2 is connected to a threaded rod 3, and one end of the threaded rod 3 extending from the fixing part 2 is fixedly connected to a knob 5, and the surface of the threaded rod 3 is threadedly sleeved with a clamping plate 4, and the interior of the fixing part 2 is provided with a limiting groove 7 for the clamping plate 4 to slide, and the bottom of the clamping plate 4 is fixedly connected to a base 6. Turning the knob 5 drives the threaded rod 3 to rotate, and the two ends of the thread on the threaded rod 3 are in opposite directions. The rotation of the threaded rod 3 drives the two clamping plates 4 to move toward each other, so that the pipe between the two clamping plates 4 can be positioned, which is convenient for subsequent drawing operations.

[0025] Working principle: Turning the knob 5 drives the threaded rod 3 to rotate. The two ends of the thread on the threaded rod 3 are in opposite directions. The rotation of the threaded rod 3 drives the two clamping plates 4 to move toward each other, so that the pipe between the two clamping plates 4 can be positioned, which is convenient for subsequent line drawing operations. The sliding plate 9 can slide on the slide groove 8 to drive the pen holder 12 and the internal paintbrush 16 to move. The movement of the sliding plate 9 drives the pointer 11 to move. With the help of the scale line 10, a line can be drawn on the corresponding position on the surface of the pipe. When drawing a line, press the pen holder downward. 12 can make the pen tip of the paintbrush 16 draw a line on the surface of the pipe. After drawing the line, the spring 13 returns the pen holder 12 to its original position to complete the line drawing. If the paintbrush 16 needs to be replaced, just loosen the bolt 15 and the clamp 14 to take the paintbrush 16 out of the inside of the pen holder 12, and then put a different paintbrush 16 into the inside of the pen holder 12. The cylindrical position on the pen holder 12 is made of a plastic material with a variable shape, and the clamp 14 can be used to clamp the paintbrush 16 inside the pen holder 12 to keep it in position.

[0026] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A marking device for PVC pipes, characterized in that: include: Draw Line Track (1); The invention discloses a drawing assembly, comprising a sliding plate (9), a scale line (10), a pointer (11), a pen holder (12), a spring (13), a hoop (14), a bolt (15) and a paintbrush (16). The sliding plate (9) is slidably connected to the interior of a drawing track (1), the scale line (10) is arranged on the top surface of the drawing track (1), the pointer (11) is fixedly connected to the sliding plate (9), the pointer (11) is slidably connected to the drawing track (1), the pen holder (12) is slidably connected to the interior of the sliding plate (9), the spring (13) is fixedly connected between the pen holder (12) and the sliding plate (9), the hoop (14) is arranged on the outer surface of the pen holder (12), the bolt (15) is threadedly connected to the hoop (14), and the paintbrush (16) is slidably connected to the interior of the pen holder (12).

2. A line marking device for PVC pipes according to claim 1, characterized in that: The line drawing track (1) is provided with a sliding groove (8) for the sliding plate (9) to slide.

3. A marking device for PVC pipes according to claim 1, characterized in that: The surface of the line drawing track (1) is provided with a sliding groove for the pointer (11) to slide.

4. A marking device for PVC pipes according to claim 1, characterized in that: Both sides of the line drawing track (1) are fixedly connected with fixing members (2).

5. A line marking device for PVC pipes according to claim 4, characterized in that: The fixing member (2) is internally rotatably connected to a threaded rod (3), and one end of the threaded rod (3) extending out of the fixing member (2) is fixedly connected to a knob (5).

6. A line marking device for PVC pipes according to claim 5, characterized in that: The surface of the threaded rod (3) is threadedly sleeved with a clamping plate (4), and a limiting groove (7) for the clamping plate (4) to slide is provided inside the fixing member (2).

7. A line marking device for PVC pipes according to claim 6, characterized in that: The bottom of the clamping plate (4) is fixedly connected to a base (6).

Citation Information

Patent Citations

  • Line drawing and marking device outside PVC (Polyvinyl Chloride) pipe

    CN219946197U