Paint marker pen

Abstract

The application discloses a paint marker in the field of marking tools, which comprises a pen barrel body and a paint pouring funnel, the inside of the pen barrel body is provided with a paint channel, the outlet of the paint channel at the front end of the pen barrel body is provided with a detachable brush head, and the paint pouring funnel is arranged at the side of the front end of the pen barrel body and is communicated with the paint channel in the inside of the pen barrel body through a connecting channel. The paint pouring funnel and the pen barrel body are integrated together, paint can be directly poured into the paint pouring funnel, the paint flows into the brush head through gravity to perform line drawing operation, the trouble of repeatedly dipping paint is avoided, the marking efficiency is improved, and the thickness and width of the marking line are more easily controlled. In addition, in order to facilitate the cleaning of the inside paint, the pen barrel body is divided into a front-end pen barrel, a rear-end pen barrel, a shaft and a pen cap, the pen barrel body can be regularly disassembled, and each part can be cleaned, so that the inside channel is prevented from being blocked by paint after long-term use, and the service life of the paint marker is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of marking tools, in particular to a paint marker. BACKGROUND

[0002] In the assembly process of many large equipment, it is often necessary to use a marker pen to draw a line on the fastened connecting piece, such as a straight line across the bolt head to the two sides of the head and extending to the adjacent side surface on both sides, so as to judge whether the connecting piece is loose or not, or to facilitate the repositioning of the connecting piece during subsequent disassembly and assembly. At present, ordinary brushes are generally used to draw lines, which has the disadvantages that the red marking paint needs to be repeatedly dipped during use, the paint is easy to spill, and the thickness and width of the finished red marking paint line are not uniform. SUMMARY

[0003] To overcome the above-mentioned deficiencies of the existing brush marking line, the technical problem to be solved by the present application is to provide a paint marker that can conveniently draw a marking line.

[0004] The technical scheme adopted by the present application to solve its technical problem is:

[0005] The paint marker comprises a pen barrel body and a paint pouring funnel, the inside of the pen barrel body is provided with a paint channel, the outlet of the paint channel at the front end of the pen barrel body is provided with a detachable brush head, the paint pouring funnel is arranged on the side surface of the front end of the pen barrel body and is connected in communication with the paint channel inside the pen barrel body through a connecting channel, the opening of the paint pouring funnel faces the tail end side of the pen barrel body, and the included angle between the axis of the paint pouring funnel and the axis of the pen barrel body is 0-60°.

[0006] Further, the pen barrel body comprises a front end pen barrel, a rear end pen barrel and a pen cap which are detachably connected in sequence, the front end pen barrel and the rear end pen barrel are both hollow structures, the paint channel is arranged in the front end pen barrel, the part of the front end pen barrel close to the paint channel is provided with a stepped surface, and a positioning ring is arranged in the paint channel; a mandrel is further included, the mandrel is provided with a first shaft shoulder and a second shaft shoulder, the front end of the pen cap is provided with a top rod, the top rod penetrates through the rear end pen barrel, presses the mandrel in the front end pen barrel, and makes the front ends of the first shaft shoulder and the second shaft shoulder abut against the positioning ring and the stepped surface respectively; an opening is arranged on the side surface between the first shaft shoulder and the second shaft shoulder of the mandrel, the opening faces the connecting channel, and the end of the mandrel close to the brush head is provided with a flow passage which is connected in communication with the opening.

[0007] Further, the brush head comprises a connecting head and a brush, the connecting head is detachably connected with the front end of the front end pen barrel, the outer end of the connecting head is provided with a mounting cavity, the inner end is provided with a containing cavity, the brush is arranged in the mounting cavity, and the side surface of the containing cavity is provided with an inclined hole which is connected in communication with the mounting cavity.

[0008] Further, the paint channel in the front end pen barrel is sequentially provided with a first channel, a second channel and a third channel from front to back, the inner diameter of the second channel is larger than that of the first channel, the positioning ring is arranged between the second channel and the third channel, the first channel is provided with a guide groove on the side surface, the connecting head is provided with a guide block matched with the guide groove on the side surface, and a spring is arranged between the inner end of the connecting head and the positioning ring.

[0009] Further, the front end of the mandrel abuts against the inner end of the connecting head.

[0010] Further, the first sealing ring and the second sealing ring are respectively arranged on the front end surfaces of the first shaft shoulder and the second shaft shoulder of the mandrel.

[0011] Further, the outer diameter of the top rod is smaller than the inner diameter of the paint channel, and the top rod is provided with a cleaning brush at the end away from the pen cap.

[0012] Further, the front end pen barrel, the rear end pen barrel and the pen cap are connected through screw threads, interference fit or clamping.

[0013] The beneficial effects of the present application are: by integrating the paint injection funnel and the pen barrel body together, the paint can be directly injected through the paint injection funnel, so that the paint flows into the brush head by gravity for line drawing operation, avoiding the trouble of repeatedly dipping paint, improving the marking efficiency, and being easier to control the thickness and width of the marking line. In addition, in order to facilitate cleaning of the internal paint, the pen barrel body is divided into a front end pen barrel, a rear end pen barrel, a mandrel and a pen cap, etc. The pen barrel body can be disassembled regularly for cleaning of each part, avoiding blockage of the internal channel by paint after long-term use, and prolonging the service life of the paint marker. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic view of the overall structure of the present application;

[0015] Figure 2 is a sectional view of the overall structure of the present application;

[0016] Figure 3 is an exploded view of the overall structure of the present application;

[0017] Figure 4 is a schematic view of the structure of the brush head of the present application;

[0018] Figure 5 is a sectional view of Figure 4 ;

[0019] The figure is marked as, 1-pen body, 2-paint funnel, 3-brush head, 4-core shaft, 11-front end pen, 12-rear end pen, 13-pen cap, 14-paint channel, 15-connection channel, 16-spring, 31-connection head, 32-brush, 41-first shaft shoulder, 42-second shaft shoulder, 43-opening, 44-flow channel, 45-first sealing ring, 46-second sealing ring, 111-step surface, 112-positioning ring, 131-top rod, 132-cleaning brush, 141-first channel, 142-second channel, 143-third channel, 144-guide groove, 311-installation cavity, 312-receiving cavity, 313-inclined hole, 314-guide block. DETAILED DESCRIPTION

[0020] The application is further described below in conjunction with the drawings.

[0021] As Figures 1-3 shown, the paint marker of the application comprises a pen body 1 and a paint funnel 2, the inside of the pen body 1 is provided with a paint channel 14, the outlet of the paint channel 14 at the front end of the pen body 1 is provided with a detachable brush head 3, the paint funnel 2 is arranged on the side of the front end of the pen body 1 and is connected with the paint channel 14 inside the pen body 1 through a connection channel 15, the opening of the paint funnel 2 faces the tail end side of the pen body 1, and the included angle between the axis of the paint funnel 2 and the axis of the pen body 1 is 0-60°. The use process of the application is as follows: first, hold the pen body 1 so that it is in a line drawing state, then pour paint into the pen body 1 from the paint funnel 2, the paint will flow into the paint channel 14 along the connection channel 15, then reach the brush head 3, and finally, when drawing a line, slightly press the brush head with force to draw a uniform line. Since the included angle between the pen body 1 and the horizontal plane is about 30-60° when holding the pen body 1 to draw a line, in order to avoid the paint pouring out of the paint funnel 2, the included angle between the axis of the paint funnel 2 and the axis of the pen body 1 should be set to 0-60°. The application integrates the paint funnel and the pen body together, so that paint can be directly poured into the paint funnel, and the paint flows into the brush head by gravity for line drawing operation, avoiding the trouble of repeatedly dipping paint, improving the marking efficiency, and being easier to control the thickness and width of the marking line.

[0022] Paint is different from ordinary ink and will solidify quickly, if not cleaned in time, the paint will slowly adhere to the inner wall of the paint funnel 2 and the paint channel 14, causing channel blockage after a long time, affecting the service life. Therefore, in order to facilitate cleaning of the paint marker, it is best to adopt segmented design, as Figure 2 , Figure 3As shown: the pen barrel body 1 includes detachable connection of front end pen barrel 11, rear end pen barrel 12 and pen cap 13 in turn, front end pen barrel 11 and rear end pen barrel 12 are hollow structure, the paint channel 14 is arranged in front end pen barrel 11, the part of front end pen barrel 11 close to paint channel 14 is equipped with step surface 111, and the paint channel 14 is equipped with positioning ring 112;Still include mandrel 4, mandrel 4 is equipped with first shaft shoulder 41 and second shaft shoulder 42, the front end of pen cap 13 is equipped with top rod 131, top rod 131 passes through rear end pen barrel 12 and then presses mandrel 4 in front end pen barrel 11, and the front end of first shaft shoulder 41 and second shaft shoulder 42 is respectively with positioning ring 112 and step surface 111 abuts;The side surface between first shaft shoulder 41 and second shaft shoulder 42 of mandrel 4 is equipped with opening 43, opening 43 is towards connecting channel 15, and the end of mandrel 4 close to brush head 3 is equipped with overflow channel 44 that is connected with opening 43.Wherein, the front end pen barrel 11, rear end pen barrel 12 and pen cap 13 can adopt threaded connection, interference fit connection or clamping etc. to be connected assembly, considering the convenience of disassembly and assembly, can preferably interference fit.Using mandrel 4 to block paint in front end pen barrel 11, on the one hand, paint can flow into rear end pen barrel 12, cause paint leakage etc. to influence;On the other hand, by removing mandrel 4 and brush head 3, can make front end pen barrel 11 become the structure of two ends through, facilitate the internal paint channel 14 to be cleaned.Set first shaft shoulder 41 and second shaft shoulder 42 can play double sealing effect, and the outer diameter of second shaft shoulder 42 is greater than first shaft shoulder 41, facilitate enough space is left in the rear end of front end pen barrel 11 to clean internal channel.Further, in order to play good sealing effect, first sealing ring 45 and second sealing ring 46 can be respectively arranged on the front end face of first shaft shoulder 41 and second shaft shoulder 42 of mandrel 4.Set an independent pen cap 13 to press mandrel 4, mainly to simplify the structure of rear end pen barrel 12, because it is inconvenient to set a top-tight part in the inside to top-tight mandrel while connecting rear end pen barrel 12 with front end pen barrel 11, and independent pen cap 13 can better process top rod 131.In addition, the outer diameter of top rod 131 can be set to be less than the inner diameter of paint channel 14, and cleaning brush 132 is arranged at the end of top rod 131 away from pen cap 13, cleaning brush 132 can adopt hard PP or PBT, so that when cleaning pen barrel, pen cap 13 can be directly used to complete, without the aid of other tools, convenient and fast.

[0023] For the specific structure of brush head 3, the scheme adopted by the application is as follows Figure 4 、 Figure 5As shown, the brush head 3 comprises a connecting head 31 and a brush 32, the connecting head 31 is detachably connected with the front end of the front-end pen rod 11, the outer end of the connecting head 31 is provided with a mounting cavity 311, and the inner end is provided with a containing cavity 312, the mounting cavity 311 and the containing cavity 312 are independent of each other, the brush 32 is arranged in the mounting cavity 311, and the side of the containing cavity 312 is provided with an inclined hole 313 in communication with the mounting cavity 311. The inclined hole 313 refers to a through hole with an axis having a certain angle with the axial and radial directions of the containing cavity 312, or a through hole with an axis having a certain curvature, the inclined hole 313 is arranged on the side of the containing cavity 312, so that the paint flow rate can be slowed down, and the inclined hole 313 is preferably a tapered hole from large to small, so that the thickness and width of the line can be better controlled. The brush 32 is arranged in the mounting cavity 311 because after the paint flows out of the inclined hole 313, it will enter the containing cavity 312 and then flow out along the brush 32, so that the paint flow rate can be controlled by controlling the gap between the periphery of the brush 32 and the inner wall of the mounting cavity 311.

[0024] For the mounting mode of the brush head 3, threaded connection, clamping or interference fit can be adopted, in order to facilitate disassembly and cleaning, the preferred solution is that the paint channel 14 in the front-end pen rod 11 is sequentially provided with a first channel 141, a second channel 142 and a third channel 143 from front to back, the inner diameter of the second channel 142 is larger than that of the first channel 141, the positioning ring 112 is arranged between the second channel 142 and the third channel 143, the side of the first channel 141 is provided with a guide groove 144, the side of the connecting head 31 is provided with a guide block 314 matched with the guide groove 144, and the inner end of the connecting head 31 and the positioning ring 112 are provided with a spring 16. The guide block 314 and the guide groove 144 can be symmetrical, when mounted, the guide block 314 of the connecting head 31 is aligned with the guide groove 144 and pushed into the paint channel 14, at the same time, the spring 16 is compressed, until the guide block 314 reaches the second channel 142, then the brush head 3 is rotated, so that the guide block 314 is misaligned with the guide groove 144, finally, after the hand is released, the brush head 3 is tightly fixed by the elastic force of the spring 16. In order to ensure the stability of the installation of the brush head 3, the front end of the mandrel 4 is preferably in abutment with the inner end of the connecting head 31 after installation, so that the brush head 3 can avoid compressing the spring 16 when drawing lines, and affecting the drawing precision. When disassembling the brush head 3, only need to rotate the brush head 3 to the position where the guide block 314 is aligned with the guide groove 144, and then the brush head 3 can be taken off. The rotating buckle form of the guide groove 144 and the guide block 314 is simple and convenient to install and disassemble, and is also convenient for cleaning.

[0025] The present application integrates the paint injection funnel 2 and the pen barrel body 1 together, can directly inject paint through the paint injection funnel 2, makes the paint flow into the brush head 3 by gravity to draw lines, avoids the trouble of repeatedly dipping paint, improves the marking efficiency, and is easier to control the thickness and width of the marking line. In addition, in order to facilitate the cleaning of the internal paint, the pen barrel body 1 is divided into front end pen barrel 11, rear end pen barrel 12, mandrel 4 and pen cap 13 and other structures, which can be regularly disassembled pen barrel body 1, and each part is cleaned, to avoid the internal passage being blocked by paint after long-term use, prolong the service life of the paint marking pen, has good practicability and application prospect.

Claims

1. A paint marker characterized by: The brush pen comprises a pen barrel body (1) and a paint pouring funnel (2), the inside of the pen barrel body (1) is provided with a paint channel (14), the outlet of the paint channel (14) at the front end of the pen barrel body (1) is provided with a detachable brush head (3), the paint pouring funnel (2) is arranged on the side of the front end of the pen barrel body (1) and is communicated with the paint channel (14) in the inside of the pen barrel body (1) through a connecting channel (15), the opening of the paint pouring funnel (2) faces the tail end side of the pen barrel body (1), and the included angle between the axis of the paint pouring funnel (2) and the axis of the pen barrel body (1) is 0-60°; the pen barrel body (1) comprises a front end pen barrel (11), a rear end pen barrel (12) and a pen cap (13) which are detachably connected in sequence, the front end pen barrel (11) and the rear end pen barrel (12) are both hollow structures, the paint channel (14) is arranged in the front end pen barrel (11), the part of the front end pen barrel (11) close to the paint channel (14) is provided with a stepped surface (111), and the paint channel (14) is provided with a positioning ring (112); further comprising a mandrel (4), the mandrel (4) is provided with a first shaft shoulder (41) and a second shaft shoulder (42), the front end of the pen cap (13) is provided with a top rod (131), the top rod (131) penetrates through the rear end pen barrel (12), then presses the mandrel (4) tightly in the front end pen barrel (11), and the front ends of the first shaft shoulder (41) and the second shaft shoulder (42) respectively abut against the positioning ring (112) and the stepped surface (111); the side surface between the first shaft shoulder (41) and the second shaft shoulder (42) of the mandrel (4) is provided with an opening (43), the opening (43) faces the connecting channel (15), and the end of the mandrel (4) close to the brush head (3) is provided with a flow channel (44) which is communicated with the opening (43).

2. A paint marker pen as claimed in claim 1, characterised in that: The brush head (3) comprises a connecting head (31) and a brush (32), the connecting head (31) is detachably connected with the front end of the front end pen barrel (11), the outer end of the connecting head (31) is provided with a mounting cavity (311), and the inner end is provided with a containing cavity (312), the brush (32) is arranged in the mounting cavity (311), and the side surface of the containing cavity (312) is provided with an inclined hole (313) which is communicated with the mounting cavity (311).

3. A paint marker pen as claimed in claim 2, characterised in that: The paint channel (14) in the front end pen barrel (11) comprises a first channel (141), a second channel (142) and a third channel (143) from front to back, the inner diameter of the second channel (142) is greater than that of the first channel (141), the positioning ring (112) is arranged between the second channel (142) and the third channel (143), the side surface of the first channel (141) is provided with a guide groove (144), the side surface of the connecting head (31) is provided with a guide block (314) which is matched with the guide groove (144), and the inner end of the connecting head (31) and the positioning ring (112) are provided with a spring (16).

4. A paint marker pen as claimed in claim 3, characterised in that: The front end of the mandrel (4) abuts against the inner end of the connecting head (31).

5. The paint marker according to claim 1, wherein: The front end surfaces of the first shaft shoulder (41) and the second shaft shoulder (42) of the mandrel (4) are respectively provided with a first sealing ring (45) and a second sealing ring (46).

6. The paint marker pen of claim 1 wherein: The outer diameter of the ejector rod (131) is less than the inner diameter of the paint channel (14), and the ejector rod (131) is provided with a cleaning brush (132) at the end away from the pen cap (13).

7. The paint marker pen of claim 1 wherein: The front-end pen barrel (11), the rear-end pen barrel (12) and the pen cap (13) are in threaded connection, interference fit connection or clamping connection.

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