Paint make-up pen

Abstract

The paint make-up pen comprises a pen container and a pen cap, the pen cap is connected to the front end of the pen container, the pen cap is arranged on the outer side of a pen point in a sleeving mode, and a pushing mechanism is inserted into the rear end of the pen container and used for squeezing paint in the pen container into the pen point; the propelling mechanism comprises a piston and a half-clamping screw connected with the piston, the piston is detachably connected to the front end of the half-clamping screw, the half-clamping screw is in threaded connection with a threaded piece, the half-clamping screw is sleeved with a reset spring and a rotating piece, the reset spring is located between the half-clamping screw and the rotating piece, the rotating piece is connected with a driving piece, and the driving piece is inserted into the inner barrel. The driving piece is detachably connected with the tail rod, the inner barrel is installed at the tail end of the pen barrel, the piston is driven to move by repeatedly pressing and loosening the tail rod, operation is convenient, the moving distance of the piston every time is the same, then paint can be extruded out more accurately, and the tail rod needs to be subjected to axial pressure to drive the piston to move. Piston movement caused by mistakenly touching or rotating the tail rod is avoided, and waste of paint is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coating tool technical field, concretely relates to a paint touch-up pen. BACKGROUND

[0002] The paint touch-up pen is a kind of automobile scratch repair tool, and the appropriate model can be selected by comparing with the original color of vehicle paint.In the small scratch or paint peeling place, after being coated with paint touch-up pen, the scratch can be repaired, covered and filled.

[0003] The paint touch-up pen currently used is generally paint touch-up brush, but the amount of paint dipped by brush is different each time, too much paint is dipped, and paint is prone to drop from brush, causing paint waste, and some squeeze paint by rotating, the angle of rotation is different each time, and the amount of paint squeezed is also different, when the angle of rotation is larger, too much paint is also squeezed, causing paint waste. CONTENT OF UTILITY MODEL

[0004] To solve the above technical problem, the utility model provides a paint touch-up pen, including pen barrel and pen cap, the pen barrel front end connects the pen cap, the pen cap is set to the pen head outside, the pen barrel rear end inserts the push mechanism, and the push mechanism is used for extruding paint in pen barrel into pen head;

[0005] The push mechanism includes piston and half clamping screw connected with piston, piston is detachably connected at the front end of half clamping screw, half clamping screw is threadedly connected with threaded part, half clamping screw is provided with reset spring and rotating part, reset spring is located between half clamping screw and rotating part, rotating part is connected with driving part, driving part is inserted in inner cylinder, driving part is detachably connected with tail rod, and inner cylinder is installed at the tail end of pen barrel.

[0006] Preferably, the piston is located in the pen barrel, and the piston can move along the pen barrel.

[0007] Preferably, the threaded part includes outer sleeve, the bottom end of outer sleeve is fixedly connected with support ring, the inner thread sleeve is arranged in the inner part of outer sleeve, the inner thread sleeve is provided with inner thread hole, the bottom end of inner thread sleeve is fixedly connected with support ring, the inner thread hole of inner thread sleeve is in communication with the through hole of support ring, there is gap between outer sleeve and inner thread sleeve, and the outer edge of outer sleeve is provided with limiting block.

[0008] Preferably, the rotating part includes cylinder body, the outer edge of middle part of cylinder body is provided with support table, and the outer diameter of support table is greater than the outer diameter of cylinder body.

[0009] Preferably, the outer wall of cylinder body on one side of support table is provided with a plurality of cylinder body convex ribs, the plurality of cylinder body convex ribs are arranged at equal intervals along the axial direction of cylinder body, and the end face of cylinder body convex rib away from support table is inclined.

[0010] Preferably, a limiting hole is arranged in the barrel in the axial direction, and the limiting hole is matched with the half-clamping screw rod.

[0011] Preferably, the driving member comprises a first barrel and a second barrel connected with the first barrel, the outer diameter of the second barrel is larger than that of the first barrel, the outer wall of the first barrel is provided with a limiting boss, the end of the second barrel away from the first barrel is provided with a plurality of clamping grooves arranged in the radial direction, the clamping grooves are V-shaped, and the outer wall of the second barrel is provided with a plurality of driving convex ribs arranged between adjacent two clamping grooves.

[0012] Preferably, the inner barrel comprises an inner barrel body, the inner barrel body is inserted into the pen barrel, and one end of the inner barrel body is provided with a clamping hole corresponding to the limiting block.

[0013] Preferably, the other end of the inner barrel body is provided with an inner barrel body boss.

[0014] The outer wall of the inner barrel body is provided with a plurality of inner barrel body limiting ribs arranged in the radial direction, the inner wall of the pen barrel is provided with a plurality of limiting protrusions arranged in the radial direction, the inner barrel body is inserted into the pen barrel, the inner barrel body limiting ribs are located between adjacent two limiting protrusions, and the inner barrel body is limited to rotate in the radial direction.

[0015] Preferably, the tail rod has an opening at one end, the inner wall of the tail rod is provided with a plurality of supporting strips arranged in an array, and the inner wall of the tail rod close to the opening is provided with a tail rod convex rib.

[0016] The technical effects and advantages of the utility model are as follows:

[0017] 1. In the advancing mechanism, the tail rod drives the piston to move by being repeatedly pressed and released, the operation is convenient, the distance of each movement of the piston is the same, and the paint can be extruded more accurately.

[0018] 2. In the advancing mechanism, the tail rod needs to bear axial pressure to drive the piston to move, the piston is prevented from moving due to accidental touch or rotation of the tail rod, and the waste of paint is avoided. DRAWINGS

[0019] Figure 1 is a structure schematic view of the paint touch-up pen provided by the embodiment of the application;

[0020] Figure 2 is an exploded view of the paint touch-up pen provided by the embodiment of the application;

[0021] Figure 3 is a structure schematic view of the pen head in the paint touch-up pen provided by the embodiment of the application;

[0022] Figure 4 is a structure schematic view of the advancing mechanism in the paint touch-up pen provided by the embodiment of the application;

[0023] Figure 5Figure 1 is a structural schematic diagram of a threaded part in a paint touch-up pen provided by an embodiment of the present application;

[0024] Figure 6 Figure 2 is a structural schematic diagram of a rotating part in a paint touch-up pen provided by an embodiment of the present application;

[0025] Figure 7 Figure 3 is a side view of a rotating part in a paint touch-up pen provided by an embodiment of the present application;

[0026] Figure 8 Figure 4 is a structural schematic diagram of a driving part in a paint touch-up pen provided by an embodiment of the present application;

[0027] Figure 9 Figure 5 is a structural schematic diagram of an inner cylinder in a paint touch-up pen provided by an embodiment of the present application;

[0028] Figure 10 Figure 6 is an axial sectional view of an inner cylinder in a paint touch-up pen provided by an embodiment of the present application;

[0029] Figure 11 Figure 7 is a structural schematic diagram of a barrel in a paint touch-up pen provided by an embodiment of the present application;

[0030] Figure 12 Figure 8 is an axial sectional view of a tail rod in a paint touch-up pen provided by an embodiment of the present application.

[0031] In the figure: 1, barrel; 1001, limiting protrusion; 2, cap; 3, tip; 301, valve cover; 302, brush; 303, water guide core; 304, tip spring; 305, ball; 306, plug; 4, advancing mechanism; 5, piston; 6, half-clamp screw rod; 7, threaded part; 701, outer sleeve; 702, support ring; 703, inner threaded sleeve; 704, limiting block; 8, rotating part; 801, barrel body; 802, support table; 803, barrel body protruding rib; 804, limiting hole; 9, return spring; 10, driving part; 101, first barrel body; 102, limiting boss; 103, second barrel body; 104, clamping groove; 105, driving protruding rib; 11, inner cylinder; 111, inner cylinder body; 112, clamping hole; 113, inner cylinder body boss; 114, inner cylinder body limiting rib; 115, inner cylinder body protruding rib; 116, limiting protruding strip; 12, tail rod; 121, support strip; 122, tail rod protruding rib. DETAILED DESCRIPTION

[0032] The embodiments of the present application are given for illustrative and descriptive purposes only and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

[0033] Referring to Figures 1-2 In the embodiment, a paint refilling pen is provided, which comprises a pen barrel 1 and a pen cap 2, the front end of the pen barrel 1 is detachably connected with a pen head 3, the front end of the pen barrel 1 is connected with the pen cap 2, the pen cap 2 is sleeved outside the pen head 3, and a propelling mechanism 4 is inserted and assembled at the rear end of the pen barrel 1, the propelling mechanism 4 is used for extruding paint in the pen barrel 1 into the pen head 3, and then the pen head 3 is used for refilling paint to a vehicle body.

[0034] Referring to Figure 3 As shown in the figure, the pen head 3 comprises a valve cover 301, the valve cover 301 is provided with a protrusion outside, the protrusion is matched with a protrusion of the inner wall of the front end of the pen barrel 1, the valve cover 301 is clamped with the pen barrel 1, a brush 302 is installed in the valve cover 301, the tail end of the brush 302 is bonded to a disc, a through hole is arranged in the middle of the disc, the brush 302 is connected with a water guide core 303, a circular tube at the front end of the water guide core 303 is inserted into the brush 302, the water guide core 303 is used for supporting a pen head spring 304, one end of the pen head spring 304 is located in the water guide core 303, the other end of the pen head spring 304 supports a ball 305, the ball 305 is used for plugging a plug 306, the plug 306 is clamped at the rear end of the valve cover 301, the plug 306 is provided with a middle hole, the middle hole of the plug 306 is plugged by the ball 305, when the paint in the pen barrel 1 is extruded by pressure to extrude the ball 305, the pen head spring 304 is compressed by the ball 305, the paint flows into the water guide core 303 from the middle hole of the plug 306, and then reaches the brush 302 through the circular tube at the front end of the water guide core 303.

[0035] Referring to Figure 4 As shown in the figure, the propelling mechanism 4 comprises a piston 5 and a half-clamping screw rod 6 connected with the piston 5, the piston 5 is detachably connected with the front end of the half-clamping screw rod 6, the piston 5 is located in the pen barrel 1 and can move along the pen barrel 1, the half-clamping screw rod 6 is screw-connected with a threaded part 7, the half-clamping screw rod 6 is sleeved with a reset spring 9 and a rotating part 8, the reset spring 9 is located between the half-clamping screw rod 6 and the rotating part 8, the rotating part 8 is connected with a driving part 10, the driving part 10 is inserted into an inner barrel 11, the driving part 10 is detachably connected with a tail rod 12, and the inner barrel 11 is installed at the tail end of the pen barrel 1.

[0036] In an embodiment, the front end of the half-clamping screw 6 is provided with a protrusion, and the piston 5 is provided with a clamping groove, the half-clamping screw 6 and the piston 5 are connected together through the cooperation between the protrusion and the clamping groove, and the piston 5 is moved by the half-clamping screw 6.

[0037] Referring to Figure 5 As shown in the figure, the threaded part 7 comprises an outer sleeve 701, the bottom end of the outer sleeve 701 is fixedly connected with a support ring 702, an inner threaded sleeve 703 is arranged inside the outer sleeve 701, the inner threaded sleeve 703 is provided with an inner threaded hole, the bottom end of the inner threaded sleeve 703 is fixedly connected with the support ring 702, the inner threaded hole of the inner threaded sleeve 703 is in communication with the through hole of the support ring 702, there is a gap between the outer sleeve 701 and the inner threaded sleeve 703, and the outer edge of the outer sleeve 701 is provided with a limiting block 704.

[0038] Referring to Figures 6-7 As shown in the figure, the rotating part 8 comprises a cylinder body 801, the outer edge of the middle part of the cylinder body 801 is provided with a support table 802, the outer diameter of the support table 802 is greater than the outer diameter of the cylinder body 801, the outer wall of the cylinder body 801 located at one side of the support table 802 is provided with a plurality of cylinder body protruding ribs 803, the plurality of cylinder body protruding ribs 803 are arranged at equal intervals along the axial direction of the cylinder body 801, and the end face of the cylinder body protruding rib 803 away from the support table 802 is a bevel face, a limiting hole 804 is arranged in the cylinder body 801 along the axial direction, and the limiting hole 804 is matched with the half-clamping screw 6.

[0039] Specifically, one end of the reset spring 9 is sleeved on the cylinder body 801, the reset spring 9 is limited by the support table 802, and the other end of the reset spring 9 is located in the gap between the outer sleeve 701 and the inner threaded sleeve 703, so that the reset spring 9 is prevented from moving along the radial direction.

[0040] In an embodiment, the inner wall of the limiting hole 804 has two plane structures and two arc surface structures, the two plane structures are matched with the planes of the half-clamping screw 6, and the rotating part 8 can drive the half-clamping screw 6 to rotate when the rotating part 8 rotates.

[0041] Referring to Figure 8 As shown in the figure, the driving part 10 comprises a first cylinder body 101 and a second cylinder body 103 connected with the first cylinder body 101, the outer diameter of the second cylinder body 103 is greater than that of the first cylinder body 101, the outer wall of the first cylinder body 101 is provided with a limiting boss 102, the end face of the second cylinder body 103 away from the first cylinder body 101 is arranged with a plurality of clamping grooves 104 along the radial direction, the clamping grooves 104 are V-shaped, the outer wall of the second cylinder body 103 is arranged with a plurality of driving protruding ribs 105, and the driving protruding rib 105 is located between adjacent two clamping grooves 104.

[0042] Referring to Figures 9-11As shown, the inner barrel 11 comprises an inner barrel body 111, which is in a hollow cylindrical structure and is inserted into the pen barrel 1, one end of the inner barrel body 111 is provided with a clamping hole 112 corresponding to the limiting block 704, and the number of the clamping hole 112 is the same as that of the limiting block 704, when the threaded part 7 is inserted into the inner barrel body 111, the limiting block 704 is embedded into the clamping hole 112, and the threaded part 7 and the inner barrel body 111 are installed together.

[0043] Further, the other end of the inner barrel body 111 is provided with an inner barrel body boss 113, the outer diameter of the inner barrel body boss 113 is greater than that of the inner barrel body 111, when the inner barrel body 111 is inserted into the pen barrel 1, the inner barrel body boss 113 abuts against the outer wall of the pen barrel 1, and the inner barrel body 111 is limited in the axial direction.

[0044] The outer wall of the inner barrel body 111 is provided with a plurality of inner barrel body limiting ribs 114 in the radial direction, the inner wall of the pen barrel 1 is provided with a plurality of limiting protrusions 1001 in the radial direction, the inner barrel body 111 is inserted into the pen barrel 1, the inner barrel body limiting ribs 114 are located between the adjacent two limiting protrusions 1001, and the radial rotation of the inner barrel body 111 is limited.

[0045] The outer wall of the inner barrel body 111 is further provided with an inner barrel body convex rib 115, the inner barrel body convex rib 115 is matched with the protrusion in the pen barrel 1, the inner barrel body 111 and the pen barrel 1 are installed together, the inner barrel body 111 is limited in the axial direction, the inner wall of the inner barrel body 111 is provided with a plurality of limiting convex strips 116 in the axial direction, there is a gap between the adjacent two limiting convex strips 116, the driving part 10 is installed in the inner barrel body 111, the driving convex rib 105 is located between the adjacent two limiting convex strips 116, so that the driving part 10 can only move in the axial direction along the limiting convex strip 116, and the end face of the limiting convex strip 116 away from the inner barrel body boss 113 is a bevel.

[0046] Referring to Figure 12 As shown, the tail rod 12 is in a hollow structure, one end of the tail rod 12 has an opening, the inner wall of the tail rod 12 is arranged with a plurality of supporting strips 121, when the tail rod 12 is sleeved on the first barrel body 101, the supporting strips 121 abut against the end portion of the first barrel body 101, the inner wall of the tail rod 12 close to the opening is provided with a tail rod convex rib 122, the tail rod convex rib 122 is matched with the limiting boss 102, the tail rod 12 is limited in the axial direction, and the tail rod 12 is prevented from falling off from the driving part 10.

[0047] The working principle of the utility model is:

[0048] In use, the cap 2 is removed to expose the brush 302, the pen barrel 1 is held by hand, the tail rod 12 is pressed downward, the tail rod 12 extrudes the driving member 10, because the inner barrel boss 113 axially limits the driving rib 105, the driving member 10 can only move axially, the driving rib 105 extrudes the inclined surface of the barrel rib 803, the rotating member 8 moves axially and rotates radially at the same time, the return spring 9 is compressed by the rotating member 8, the rotating member 8 drives the half-clamping screw 6 to rotate, because the threaded part 7 is fixed in position relative to the inner barrel 111, the half-clamping screw 6 can only move axially, thereby pushing the piston 5 to move in the pen barrel 1, the piston 5 extrudes the paint, and then the tail rod 12 is released, the return spring 9 is reset, the inclined surface of the barrel rib 803 cooperates with the inclined surface of the limiting rib 116, so that the barrel rib 803 moves from one clamping groove 104 to another clamping groove 104, and the paint in the pen barrel 1 is extruded into the pen head 3, the pen head 3 paints the vehicle body, and the piston 5 is driven to move in the advancing mechanism 4 by repeatedly pressing and releasing the tail rod 12, the operation is convenient, the distance of each movement of the piston 5 is the same, thereby the paint can be more accurately extruded, the tail rod 12 needs to be axially pressed to drive the piston 5 to move, avoiding the piston 5 from moving due to accidental touch or rotation of the tail rod 12, and avoiding waste of the paint.

[0049] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. A touch-up pen comprising a pen barrel (1) and a pen cap (2), the pen barrel (1) is connected with the pen cap (2) at the front end, and the pen cap (2) is sleeved outside a pen head (3), characterized in that, The rear end of the pen barrel (1) is inserted with a pushing mechanism (4), which is used for extruding paint in the pen barrel (1) into the pen head (3); The pushing mechanism (4) comprises a piston (5) and a half-clamping screw rod (6) connected with the piston (5), the piston (5) is detachably connected to the front end of the half-clamping screw rod (6), the half-clamping screw rod (6) is threadedly connected with a threaded part (7), the half-clamping screw rod (6) is sleeved with a reset spring (9) and a rotating part (8), the reset spring (9) is located between the half-clamping screw rod (6) and the rotating part (8), the rotating part (8) is connected with a driving part (10), the driving part (10) is inserted into an inner barrel (11), the driving part (10) is detachably connected with a tail rod (12), and the inner barrel (11) is installed at the tail end of the pen barrel (1).

2. A touch-up pen according to claim 1, characterized in that The piston (5) is located in the pen barrel (1), and the piston (5) can move along the pen barrel (1).

3. A touch-up pen according to claim 1, wherein The threaded part (7) comprises an outer sleeve (701), the bottom end of the outer sleeve (701) is fixedly connected with a support ring (702), an inner threaded sleeve (703) is arranged in the inner sleeve (701), the inner threaded sleeve (703) is provided with an inner threaded hole, the bottom end of the inner threaded sleeve (703) is fixedly connected with the support ring (702), the inner threaded hole of the inner threaded sleeve (703) is in communication with the through hole of the support ring (702), there is a gap between the outer sleeve (701) and the inner threaded sleeve (703), and the outer edge of the outer sleeve (701) is provided with a limiting block (704).

4. A touch-up pen according to claim 1, wherein The rotating part (8) comprises a barrel (801), and a support table (802) is arranged on the outer edge of the middle part of the barrel (801).

5. A touch-up pen according to claim 4, wherein The outer wall of the barrel (801) on one side of the support table (802) is provided with a plurality of barrel convex ribs (803), the plurality of barrel convex ribs (803) are arranged at equal intervals along the axial direction of the barrel (801), and the end face of the barrel convex rib (803) away from the support table (802) is inclined.

6. A touch-up pen according to claim 5, wherein A limiting hole (804) is formed in the barrel (801) in the axial direction, and the limiting hole (804) is matched with the half-clamping screw rod (6).

7. A touch-up pen according to claim 1, wherein The driving part (10) comprises a first barrel (101) and a second barrel (103) connected with the first barrel (101), the outer diameter of the second barrel (103) is greater than that of the first barrel (101), the outer wall of the first barrel (101) is provided with a limiting convex table (102), the end face of the second barrel (103) away from the first barrel (101) is provided with a plurality of clamping grooves (104) arranged in the radial direction, the clamping grooves (104) are V-shaped, the outer wall of the second barrel (103) is provided with a plurality of driving convex ribs (105) arranged, and the driving convex ribs (105) are located between adjacent two clamping grooves (104).

8. A touch-up pen according to claim 1, wherein The inner barrel (11) comprises an inner barrel body (111), the inner barrel body (111) is inserted into the pen barrel (1), and one end of the inner barrel body (111) is provided with a clamping hole (112) corresponding to the limiting block (704).

9. A touch-up pen according to claim 8, wherein The other end of the inner barrel body (111) is provided with an inner barrel body convex table (113). The outer wall of the inner cylinder (111) is provided with a plurality of inner cylinder limiting ribs (114) in the radial direction, the inner wall of the pen barrel (1) is provided with a plurality of limiting protrusions (1001) in the radial direction, the inner cylinder (111) is inserted into the pen barrel (1), the inner cylinder limiting ribs (114) are located between the adjacent two limiting protrusions (1001), and the radial rotation of the inner cylinder (111) is limited.

10. The touch-up pen of claim 1, wherein The tail rod (12) has an opening at one end, a plurality of support strips (121) are arranged on the inner wall of the tail rod (12), and a tail rod convex rib (122) is arranged on the inner wall of the tail rod (12) close to the opening.

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