CN213839558U

CN213839558U - Point coating tool head structure and valve core thereof

Info

Publication number: CN213839558U
Application number: CN202022008377.5U
Authority: CN
Inventors: 潘锦文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-07-30
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a head structure of a spot painting tool and a valve core thereof, which comprises a sleeve body and a valve core, wherein the sleeve body is provided with an inner cavity, and the valve core is arranged in the inner cavity; one end of the sleeve body is provided with an opening, and the other end is closed; the spring one end of case is contradicted on the step of inner chamber lateral wall, and the blind end of the cover body is provided with the through-hole, and in the cone type activity stopper of case inserted the through-hole, the blind end outside of the cover body was provided with the infiltration body that covers the through-hole, and the case includes the spring, and the tip of spring is provided with the cone type activity stopper that up end area is greater than the lower terminal surface area. It utilizes the spring case and cooperates the setting with the through-hole on the cover body blind end for the point is pressed and is made the production gap between last movable plug of case and the through-hole after the infiltration body, makes, and the ink in the inner chamber can flow out from the gap, nevertheless comes the size of control gap according to the light and heavy dynamics of point pressing, thereby further realizes restricting or controlling the ink water yield, avoids appearing the phenomenon that the ink is come out too big or undersize.

Description

Point coating tool head structure and valve core thereof

Technical Field

The utility model belongs to the technical field of a point is scribbled instrument ink and is oozed control structure technique and specifically relates to a point is scribbled instrument head structure and case thereof.

Background

At present, the water seepage part on the point painting tool only has an ink outlet, however, the problem of too large or too small ink outlet is frequently generated during use, so that the point painting work or the game cannot be smoothly carried out well, and therefore, based on the defect, a structure capable of limiting or controlling the ink outlet is urgently needed.

Disclosure of Invention

The utility model aims at solving the technical defects and designing a point coating tool head structure which can limit or control the ink outlet quantity of the point coating tool and a valve core thereof.

The utility model discloses a case, including the spring, the tip of spring is provided with the cone type activity stopper that up end area is greater than the lower terminal surface area.

Preferably, the spring comprises a ring sleeve and at least one spiral coil, and two ends of the spiral coil are respectively connected with the ring sleeve and the cone-shaped movable plug.

Preferably, the spring comprises a ring sleeve and three spiral coils, two ends of each spiral coil are respectively connected with the ring sleeve and the cone-shaped movable plug, the ends of the three spiral coils on the cone-shaped movable plug are distributed in an annular array, and the ends of the three spiral coils on the ring sleeve are distributed in an annular array.

Preferably, the three spiral coils are spaced apart from each other, and the three spiral coils are spaced apart from each other at equal intervals.

Preferably, the cone-type movable plug comprises a plug body with a cone structure, and the diameter of the upper end of the plug body is larger than that of the lower end of the plug body.

Preferably, the cone-type movable plug comprises a first cone, and the area of the upper end surface of the first cone is larger than that of the lower end surface of the first cone.

Preferably, the device further comprises a second cone arranged on the first cone, the area of the upper end surface of the second cone is larger than that of the lower end surface, and the volume of the first cone is larger than that of the second cone.

Preferably, the first cone and the second cone are both cones with the upper end surface diameter larger than the lower end surface diameter.

As another aspect, a structure of a head of a spot-coating tool, comprising a sleeve body and a valve core according to any one of claims 1 to 8, wherein the sleeve body is provided with an inner cavity, and the valve core is arranged in the inner cavity; one end of the sleeve body is provided with an opening, and the other end is closed; one end of a spring of the valve core is abutted against the step on the side wall of the inner cavity, the closed end of the sleeve body is provided with a through hole, the cone-shaped movable plug of the valve core is inserted into the through hole, and the outer side of the closed end of the sleeve body is provided with a water seepage body covering the through hole.

Preferably, the first cone or the plug body of the cone-type movable plug is inserted into the through hole.

Preferably, the through-hole comprises a cone-shaped through-hole.

Preferably, a convex ring is arranged on the periphery of the closed end of the sleeve body, a ring body is arranged on the convex ring, a positioning ring is arranged on the inner wall of the ring body, a fixed cavity is formed between the inner wall of the ring body and the outer wall of the closed end of the sleeve body, and the periphery of the water seepage body is embedded into the fixed cavity and then positioned and fixed through the positioning ring.

Preferably, the body comprises a body consisting of a sponge or a body consisting of cotton.

The utility model relates to a point coating tool head structure and case thereof, it utilizes the spring case to cooperate the setting with the through-hole on the cover body blind end, make the point make on the case movable plug and the through-hole between the production gap after pressing the infiltration body, make, the ink in the inner chamber can flow out in the gap, nevertheless come the size in control gap according to the light and heavy dynamics of point pressing, thereby further realize restricting or controlling the ink water yield, avoid appearing the phenomenon that the ink comes out too big or undersize.

Drawings

FIG. 1 is a schematic view (I) of the structure of the combination of the valve core and the sleeve body;

FIG. 2 is a schematic view (two) of the structure of the valve core combined with the sleeve body;

FIG. 3 is a schematic view (one) of the valve core structure;

FIG. 4 is a schematic view (one) of the valve core structure;

FIG. 5 is a schematic view of a dispensing tool head configuration;

fig. 6 is a schematic view of the sheath body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

Example 1:

as shown in the attached drawings, the valve core described in the present embodiment includes a spring 1, and a cone-shaped movable plug 4 whose upper end surface area is larger than that of the lower end surface is arranged at the end of the spring 1; the spring 1 comprises a ring sleeve 11 and at least one spiral coil 12, two ends of the spiral coil are respectively connected with the ring sleeve and the cone-shaped movable plug 4, wherein the spiral coil and the ring sleeve are made of plastic materials, so that the spiral coil has elasticity, and the function of springback reset after the cone-shaped movable plug rises is realized.

Preferably, the cone-type movable plug comprises a plug body 41 with a cone structure, the diameter of the upper end of the plug body 41 is larger than that of the lower end of the plug body, and the plug body is matched with the conical through hole on the sleeve body, namely, the plug body with the cone structure is inserted into the conical through hole 21 on the sleeve body in the head structure of the spot-coating tool, and the plug body, the spiral coil and the ring sleeve are combined into an integrated structure.

Example 2:

as shown in the drawings, the valve core described in this embodiment has the same general structure as that of embodiment 1, but differs therefrom only in that the spring 1 includes a ring sleeve 11 and three spiral coils 12, two ends of the three spiral coils 12 are respectively connected to the ring sleeve 11 and the cone-shaped movable plug 4, ends of the three spiral coils 12 on the cone-shaped movable plug 4 are distributed in an annular array, and ends of the three spiral coils 12 on the ring sleeve 11 are distributed in an annular array; preferably, three spiral coils 12 are arranged at intervals, and the intervals between the three are equal; the structure of the elastic plug realizes that the rebound reset of the cone-shaped movable plug after rising is more stable, so that the structure is compact and reliable.

Further, the cone-type movable plug 4 comprises a first cone 42, and the area of the upper end surface of the first cone 42 is larger than that of the lower end surface; the structure further comprises a second cone 43 arranged on the first cone 42, the area of the upper end surface of the second cone 43 is larger than that of the lower end surface, the volume of the first cone 42 is larger than that of the second cone 43, the first cone 42 and the second cone 43 are both cones, the diameter of the upper end surface of each cone is larger than that of the lower end surface of each cone, and preferably, the first cone 42, the second cone 43, the three spiral coils 12 and the ring sleeve 11 are combined into an integral structure. It makes structural design reasonable, uses more reliably.

Example 3:

as shown in the accompanying drawings, the head structure of a spot-coating tool described in this embodiment includes a sleeve body 2 and a valve core described in embodiment 1, the sleeve body 2 is provided with an inner cavity 20, and the valve core is disposed in the inner cavity 20; one end of the sleeve body 2 is provided with an opening, and the other end is closed; one end of a spring 1 (namely, a ring sleeve on the spring) of the valve core is abutted against a step 22 on the side wall of an inner cavity 20, a through hole 21 is arranged at the closed end of a sleeve body 2, a cone-shaped movable plug of the valve core is inserted into the through hole 21, a water seepage body 3 covering the through hole 21 is arranged on the outer side of the closed end of the sleeve body 2, furthermore, a first cone 42 or a plug body 41 of a cone-shaped movable plug 4 is inserted into the through hole 21, the through hole 21 comprises a cone-shaped through hole, based on the fact that the first cone 42 is of a cone structure in the embodiment 1, the cone-shaped through hole is a cone-shaped through hole, when the spot painting work is carried out, after the water seepage body is pressed, the first cone or the plug body is pushed upwards, so that a gap is formed between the first cone or the plug body and the cone-shaped through hole, so that ink in the inner cavity of the sleeve body seeps out through the gap and is stained on the water seepage body, the spot painting work is further realized, and the size of the gap is determined according to the magnitude of the force of the pressing, the water yield of the ink is controlled, and the first cone is always blocked in the through hole under the action of the valve core spring under the condition of no pressure, namely, a gap cannot be formed, so that the liquid leakage condition is avoided.

In this embodiment, the blind end periphery side of the cover body 2 is provided with bulge loop 23, be provided with ring body 24 on the bulge loop 23, be provided with holding ring 25 on ring body 24's the inner wall, form fixed chamber 26 between ring body 24's the inner wall and the blind end outer wall of the cover body 2, and fix a position through holding ring 25 behind the fixed chamber 26 of week side embedding of infiltration body 3, its structure sets up and makes infiltration body installation comparatively convenient, because the infiltration body is soft, thereby get into when the infiltration body installation with infiltration body go on fix a position through the holding ring behind the fixed chamber of week side embedding fixed chamber can, and it is also comparatively convenient to dismantle the change.

In this embodiment, the body 3 that permeates water includes the body 3 that permeates water that comprises the sponge or the body 3 that permeates water that comprises the cotton, and its structure setting is better in order to the absorbent ability to the ink, and the operation is scribbled to more effective point, promotes performance.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims

1. A valve core is characterized by comprising a spring, wherein the end part of the spring is provided with a cone-shaped movable plug of which the area of the upper end surface is larger than that of the lower end surface;

the spring comprises a ring sleeve and three spiral coils, two ends of each spiral coil are respectively connected with the ring sleeve and the cone-shaped movable plug, the ends of the three spiral coils on the cone-shaped movable plug are distributed in an annular array, and the ends of the three spiral coils on the ring sleeve are distributed in an annular array;

the three spiral coils are arranged at intervals, and the distances among the three spiral coils are equal.

2. The valve cartridge according to claim 1, wherein the cone-type movable plug comprises a plug body having a cone structure, and the diameter of the upper end of the plug body is larger than that of the lower end thereof.

3. The valve cartridge according to any one of claims 1 and 2, wherein the cone-type movable plug comprises a first cone, and the area of the upper end surface of the first cone is larger than that of the lower end surface.

4. The valve cartridge of claim 3, further comprising a second cone disposed on the first cone, wherein the area of the upper end surface of the second cone is greater than the area of the lower end surface, and the volume of the first cone is greater than the volume of the second cone.

5. The valve cartridge of claim 4, wherein the first and second tapers are cones having an upper end surface diameter greater than a lower end surface diameter.

6. A head structure of a spot-painting tool, which is characterized by comprising a sleeve body and a valve core as claimed in any one of claims 1 to 5, wherein the sleeve body is provided with an inner cavity, and the valve core is arranged in the inner cavity; one end of the sleeve body is provided with an opening, and the other end is closed; one end of a spring of the valve core is abutted against the step on the side wall of the inner cavity, the closed end of the sleeve body is provided with a through hole, the cone-shaped movable plug of the valve core is inserted into the through hole, and the outer side of the closed end of the sleeve body is provided with a water seepage body covering the through hole.

7. The spot-coating tool head structure according to claim 6, wherein the first cone or the plug body of the cone-type movable plug is inserted into the through hole; the through hole comprises a cone-shaped through hole.

8. The structure of a dispensing tool head according to claim 7, wherein a protruding ring is provided on the outer periphery of the closed end of the sleeve body, a ring body is provided on the protruding ring, a positioning ring is provided on the inner wall of the ring body, a fixing cavity is formed between the inner wall of the ring body and the outer wall of the closed end of the sleeve body, and the periphery of the water-permeable body is embedded in the fixing cavity and then positioned and fixed by the positioning ring.

9. The spot-coating tool head structure according to claim 8, wherein the water-permeable body comprises a water-permeable body composed of sponge or a water-permeable body composed of cotton.