CN212465244U - Propelling structure and push type liquid pen of liquid pen - Google Patents
Propelling structure and push type liquid pen of liquid pen Download PDFInfo
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- CN212465244U CN212465244U CN202020781851.5U CN202020781851U CN212465244U CN 212465244 U CN212465244 U CN 212465244U CN 202020781851 U CN202020781851 U CN 202020781851U CN 212465244 U CN212465244 U CN 212465244U
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- pen
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- limiting
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
- A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
- A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
- B43K5/18—Arrangements for feeding the ink to the nibs
- B43K5/1818—Mechanical feeding means, e.g. valves; Pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pens And Brushes (AREA)
Abstract
The utility model relates to a propelling structure and a pressing type liquid pen of a liquid pen, which comprises a pen holder, wherein a piston is arranged in an inner cavity of the pen holder, the inner cavity at the front side of the piston is used for storing liquid materials, a first limiting part is arranged on the wall surface of the inner cavity at the rear side of the piston, a propelling seat is arranged in the inner cavity at the rear side of the first limiting part, an inner screw rod is arranged on the propelling seat, and the inner screw rod is connected with the piston; the rear end of the pen holder is also provided with a pressing component, one end of the pressing component is inserted into the inner cavity of the pen holder, and the other end of the pressing component protrudes out of the rear end of the pen holder; the pressing component can push the pushing seat to move forwards until the pushing seat is abutted against the first limiting part; the utility model discloses the number of times that the first time was pressed down out water significantly reduces and can reach 1 time even out water. The utility model discloses can be used for cosmetics such as lip gloss to use the pen, also can be used to the drawing pen of writing of other usage.
Description
Technical Field
The utility model relates to a propelling movement structure and push type liquid pen of liquid pen.
Background
Liquid cosmetic pencils, including lip color pencils, concealer pencils and the like, typically lip color liquids or other viscous liquid materials are stored in a roll-up core made of sponge or other porous material, through which the liquid is squeezed out each time, but this is done
Be difficult to guarantee that the play liquid volume of using at every turn is more suitable, consequently there is a push type cosmetic pencil among the prior art, adopts the mechanism of drive assembly and screw nut, and the linear motion that will press through drive assembly transmits the rotary motion to the screw rod, makes at every turn to press, and the rotation amount of screw rod is fixed, and then the amount of movement that the screw rod gos forward is fixed, controls the play liquid volume at every turn. The drive assembly is commonly known as a ratchet assembly, such as a push-type lip gloss pen disclosed in patent CN 204032629U. However, this structure has the following problems: in the filling process, in order to prevent the liquid from overflowing, a certain gap needs to be reserved at the pen point, but the discharging can be carried out only by pressing for a plurality of times when the liquid is used for the first time by a consumer, and the inconvenience is caused to the use of the consumer.
Disclosure of Invention
The utility model aims at overcoming the defects and shortcomings existing in the prior art and providing a propelling structure of a liquid pen and a pressing type liquid pen.
The utility model discloses the technical scheme who takes as follows:
a propelling structure of a liquid pen comprises a pen holder, wherein a piston is arranged in an inner cavity of the pen holder, an inner cavity on the front side of the piston is used for storing liquid materials, a first limiting part is arranged on the wall surface of the inner cavity on the rear side of the piston, a propelling seat is arranged in the inner cavity on the rear side of the first limiting part, an inner screw rod is arranged on the propelling seat, and the inner screw rod is connected with the piston;
the rear end of the pen holder is also provided with a pressing component, one end of the pressing component is inserted into the inner cavity of the pen holder, and the other end of the pressing component protrudes out of the rear end of the pen holder; the pressing component can push the pushing seat to move forwards until the pushing seat is abutted against the first limiting part, and the moving distance is H;
when the propelling seat moves forwards, the propelling seat, the inner screw rod and the piston cooperatively propel forwards.
Preferably, the pressing assembly comprises a pressing piece and a transmission assembly;
when the pressing piece can rotate relative to the penholder, the transmission assembly transmits the rotation of the pressing piece to the inner screw rod, and the pressing piece and the inner screw rod synchronously rotate;
or the like, or, alternatively,
when the pressing piece can stretch out and draw back for the pen-holder, transmission assembly turns into intermittent type nature rotation with the concertina movement of pressing piece, and the flexible drive of pressing piece interior screw rod intermittent type nature rotates.
A push type liquid pen comprises a brush head assembly, a press assembly, a pen holder and a nut, wherein the brush head assembly, the press assembly, the pen holder and the nut are coaxially arranged, the brush head assembly is connected to the front end of the pen holder, one end of the press assembly is hermetically inserted into an inner cavity of the pen holder, the other end of the press assembly protrudes out of the rear end of the pen holder, a cavity for storing liquid materials is formed in the inner cavity of the pen holder between the brush head assembly and the press assembly, and the press assembly comprises a press piece;
an elastic part is arranged between the propelling seat and the transmission assembly;
the inner wall of the pen holder is provided with a first limiting part and a second limiting part, the propelling seat is provided with a third limiting part matched with the first limiting part and a fourth limiting part matched with the second limiting part, the second limiting part is positioned on one side of the fourth limiting part close to the pen head and has a limiting effect on the fourth limiting part, the first limiting part is positioned on one side of the third limiting part close to the pen head and has a distance H between the first limiting part and the third limiting part, and the propelling seat can overcome the limiting effect of the second limiting part on the fourth limiting part and move towards the pen head direction when the pressing piece is pressed;
when the moving distance of the propelling seat is H, the first limiting part and the third limiting part are abutted to form a limiting effect, the second limiting part is positioned on one side of the fourth limiting part close to the pen tail and forms a limiting effect on the propelling seat, and at the moment, the propelling seat is fixed relative to the axial position of the pen holder.
The fourth limiting part is a convex ring, one end face of the fourth limiting part, close to the pen point, is a guide inclined plane, one end face of the fourth limiting part, close to the pen tail, is a plane, the second limiting part is at least two convex blocks, and the surface of the second limiting part is a smooth curved surface. The inner wall of the pen holder is provided with a fifth limiting part, and the fifth limiting part is positioned on one side of the third limiting part close to the pen tail or on one side of the fourth limiting part close to the pen tail.
The pressing piece is partially protruded out of the rear end of the pen holder, the transmission assembly comprises a first ratchet piece and a second ratchet piece, the first ratchet piece is axially linked with the pressing piece and circumferentially linked with the pushing seat, the second ratchet piece is circumferentially linked with the inner screw rod and can rotate relative to the pushing seat, and the first ratchet piece and the second ratchet piece are matched to form conversion of linear driving force and rotary driving force;
the propelling seat is sleeved outside the inner screw rod and is in threaded connection with the inner screw rod.
The first ratchet piece and the second ratchet piece are both hollow cylinders, and the inner screw rod penetrates through the second ratchet piece; a first linkage lug arranged along the axial direction is arranged on the inner wall of the second ratchet piece, and a first linkage groove in adaptive splicing with the first linkage lug is arranged on the side wall of the inner screw rod; the end face of one end, close to the pen point, of the first ratchet piece is provided with at least one inclined plane, the end face of one end, close to the pen tail, of the second ratchet piece is provided with a butting part matched with the inclined plane, and the end face of one end, close to the pen point, of the first ratchet piece is butted with the end face of one end, close to the pen tail, of the second ratchet piece; the end part of one end of the inner screw rod, which is close to the pen point, is connected with a piston, and a cavity for storing liquid materials is formed in the inner cavity part of the pen holder between the piston and the brush head assembly; and a return spring is arranged between the pushing seat and the second ratchet piece.
The propulsion seat comprises a first sleeve and a second sleeve, inner threads are arranged on the inner wall of the first sleeve, the first sleeve is connected and matched with the inner screw, a raised sixth limiting portion is arranged on the inner wall of the second sleeve, the sixth limiting portion limits the first ratchet piece, and the first sleeve is connected with the second sleeve in an inserting mode.
The first sleeve is provided with an inserting part positioned in the second sleeve, the outer wall of the inserting part is provided with a trapezoidal lug, the second sleeve is provided with an inserting groove, the side wall of the inserting groove is provided with a limiting lug, and one end of the limiting lug, which is close to the pen point, is convenient for the trapezoidal lug to slide on an inclined plane of the limiting lug.
The propelling seat is in a hollow cylindrical shape, the first ratchet piece is located in the inner cavity of the propelling seat, at least one second linkage lug is arranged on the outer wall of the first ratchet piece in the axial direction, and a second linkage groove is formed in the inner wall of the propelling seat and is in adaptive insertion connection with the second linkage lug.
The pressing piece is provided with a mark protruding out of the rear end of the penholder, and when the moving distance of the pushing seat is H, the mark is positioned in the penholder.
The utility model has the advantages as follows: the utility model discloses when just beginning to use, press down the pressing member, promote transmission assembly, transmission assembly acts on the elastic component, the elastic component promotes to impel the seat to overcome the spacing effect of the spacing portion of second to the spacing portion of fourth and removes H to the nib direction, impel the seat to drive the screw rod and remove, extrude the at least partial air of front end, then keep under the effect of first spacing portion and the spacing portion of second, the position relatively fixed, later can make the screw rod move forward the ration through pressing down, can make the number of times that the first time pressed down water significantly reduce can reach 1 time even and go out water. The utility model discloses can be used for cosmetics such as lip gloss to use the pen, also can be used to the drawing pen of writing of other usage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention, wherein (a) is in an un-pressed state, and (b) is in a first-pressed state;
in FIG. 2, (a) is an enlarged view of A in FIG. 1, and (B) is an enlarged view of B in FIG. 1;
in fig. 3, (a) is an enlarged schematic view of C in fig. 1, and (b) is an enlarged schematic view of D in fig. 1;
FIG. 4 is a cross-sectional view of a pen holder according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a propulsion seat according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a pressing assembly according to an embodiment of the present invention;
fig. 7 is a cross-sectional view of a pressing assembly in an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a propulsion seat in an embodiment of the present invention;
fig. 9 is a schematic structural view of an inner screw according to an embodiment of the present invention;
fig. 10 is an exploded view of a propulsion seat in an embodiment of the present invention;
fig. 11 is an exploded view of another embodiment of the present invention;
fig. 12 is a cross-sectional view of another embodiment of the present invention.
In the figure, the position of the upper end of the main shaft,
1-a brush head assembly;
2-a pressing assembly; 201-pressing piece; 202-an internal screw; 203-a first ratchet member; 204-a second ratchet member; 205-a first linkage lug; 206-a first linkage slot; 207-a piston; 208-a second linkage tab; 209-mark identification;
3-a penholder; 301-a first stop; 302-a second limiting portion; 303-a fifth limiting part;
4-a propulsion seat; 401-a third limiting part; 402-a fourth limiting part; 403-a second sleeve; 404-a sixth limiting part; 405-trapezoidal bumps; 406-a plug-in slot; 407-limit bump; 408-a plug-in part; 409-second linkage groove; 410-a first sleeve;
5-liquid material; 6-an elastic member;
70-a brushhead assembly; 71-a front support sleeve; 72-outer penholder; 73-inner penholder; 74-a piston; 75-an internal screw; 76-a propulsion seat; 77-rear supporting sleeve; 78-a pressing assembly; 79-tail cap.
Detailed Description
The invention is further described below with reference to specific examples: in order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be understood as limitations to the embodiments of the present invention, and the following embodiments do not describe any more.
The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.
Example 1: a propelling structure of a liquid pen comprises a pen holder 3, wherein a piston 207 is arranged in an inner cavity of the pen holder 3, and an inner cavity on the front side of the piston 207 is used for storing a liquid material 5;
the rear end of the pen holder is also provided with a pressing component 2, one end of the pressing component 2 is inserted into the inner cavity of the pen holder 3, and the other end of the pressing component 2 protrudes out of the rear end of the pen holder 3; the pressing component 2 can push the pushing seat 4 to move forwards until the pushing seat abuts against the first limiting part 301, and the moving distance is H;
when the thrust block 4 moves forward, the thrust block 4, the internal screw 202 and the piston 207 advance in cooperation.
Preferably, the pressing assembly 2 comprises a pressing piece 201 and a transmission assembly;
the pressing piece 201 can stretch out and draw back for pen holder 3, and transmission assembly turns into intermittent type nature rotation with the concertina movement of pressing piece 201, and the flexible drive of pressing piece 201 interior screw 202 intermittent type nature rotates.
As shown in fig. 1, a press type liquid pen includes a brush head assembly 1, a press assembly 2, a pen holder 3 and a push seat 4, which are coaxially arranged, the brush head assembly 1 is connected to the front end of the pen holder 3, one end of the press assembly 2 is hermetically inserted into an inner cavity of the pen holder 3, and the other end protrudes out of the rear end of the pen holder 3, an inner cavity portion of the pen holder 3 between the brush head assembly 1 and the press assembly 2 forms a cavity for storing a liquid material 5, and the press assembly 2 includes a press member 201, a transmission assembly and an inner screw 202;
an elastic part 6 is arranged between the propelling seat 4 and the transmission assembly;
the inner wall of the pen holder 3 is provided with a first limiting part 301 and a second limiting part 302, the pushing seat 4 is provided with a third limiting part 401 matched with the first limiting part 301 and a fourth limiting part 402 matched with the second limiting part 302, the second limiting part 302 is positioned on one side of the fourth limiting part 402 close to the pen point and forms a limiting effect on the fourth limiting part 402, the first limiting part 301 is positioned on one side of the third limiting part 401 close to the pen point and has a distance H between the first limiting part and the third limiting part, the pressing piece 201 is pressed at the time, and the pushing seat 4 can move towards the pen point direction by overcoming the limiting effect of the second limiting part 302 on the fourth limiting part 402;
when the moving distance of the pushing seat 4 is H, the first limiting portion 301 and the third limiting portion 401 are abutted to form a limiting effect, the second limiting portion 302 is located on one side of the fourth limiting portion 402 close to the pen tail and forms a limiting effect on the pushing seat 4, and at this time, the axial position of the pushing seat 4 relative to the pen holder 3 is fixed.
When the pen is just used, the pressing piece is pressed, the transmission assembly is pushed, the transmission assembly acts on the elastic piece, the elastic piece pushes the pushing seat to overcome the limiting effect of the second limiting part on the fourth limiting part and move towards the pen point direction, the pushing seat drives the inner screw to move, at least part of air at the front end is extruded, then the pushing seat is kept under the effects of the first limiting part and the second limiting part, the position is relatively fixed, then the inner screw can move forwards in a quantitative mode through pressing, and the number of times of first-time water pressing is greatly reduced or even is 0.
As shown in fig. 3 and 5, the fourth position-limiting portion 402 is a convex ring, the end surface of the fourth position-limiting portion 402 near the pen head is a guiding inclined surface, and the end surface near the pen tail is a plane, the second position-limiting portion 302 is at least two convex blocks, and the surface of the second position-limiting portion 302 is a smooth curved surface. When pushing the pressing piece for the first time, under the effect of guiding inclined plane and smooth curved surface, the fourth spacing portion 402 can slide over the second spacing portion 302, after sliding, the pushing seat is pushed without external force in the pen holder 3, and is limited by the first spacing portion 301 and the second spacing portion 302, and does not move any more.
The inner wall of the pen holder 3 is provided with a fifth limiting portion 303, and the fifth limiting portion 303 is located on one side of the third limiting portion 401 close to the pen tail or on one side of the fourth limiting portion 402 close to the pen tail. The fifth limiting part 303 can prevent the pushing seat from falling out of the penholder when the pressing piece is not pushed.
As shown in fig. 6 and 7, the pressing member 201 partially protrudes from the rear end of the barrel 3, the transmission assembly includes a first ratchet member 203 and a second ratchet member 204, the first ratchet member 203 axially links with the pressing member 201 and circumferentially links with the pushing seat 4, the second ratchet member 204 circumferentially links with the inner screw 202 and is rotatable relative to the pushing seat 4, and the first ratchet member 203 and the second ratchet member 204 cooperate to convert a linear driving force and a rotational driving force;
the pushing seat 4 is sleeved outside the inner screw 202 and is in threaded connection with the inner screw 202.
The elastic member 6 is a spring and is disposed between the pushing seat 4 and the second ratchet member 204.
The first ratchet piece 203 and the second ratchet piece 204 are both hollow cylinders, and the inner screw 202 is inserted into the second ratchet piece 204; a first linkage lug 205 arranged along the axial direction is arranged on the inner wall of the second ratchet piece 204, and a first linkage groove 206 in adaptive insertion connection with the first linkage lug 205 is arranged on the side wall of the inner screw 202; the end surface of the first ratchet piece 203 close to the pen point is provided with at least one inclined surface, the end surface of the second ratchet piece 204 close to the pen tail is provided with an abutting part matched with the inclined surface, and the end surface of the first ratchet piece 203 close to the pen point is abutted with the end surface of the second ratchet piece 204 close to the pen tail; the end part of one end of the inner screw 202 close to the pen point is connected with a piston 207, and the cavity part of the pen holder 3 between the piston and the brush head assembly 1 forms a cavity for storing liquid materials 5.
As shown in fig. 8, the propulsion seat 4 includes a first sleeve 410 and a second sleeve 403, the inner wall of the first sleeve 410 has internal threads, the first sleeve 410 is connected and matched with the internal screw 202, the inner wall of the second sleeve 403 is provided with a raised sixth limiting portion 404, the sixth limiting portion 404 forms a limiting effect on the first ratchet member 203, and the first sleeve 410 and the second sleeve 403 are connected in an inserting manner. The sixth position-limiting portion 404 forms a position-limiting fixing function for the first ratchet member 203 and the second ratchet member 204. The pressing member 201 is fixedly connected to the first ratchet member 203.
As shown in fig. 10, the first sleeve 410 has an insertion portion 408 located inside the second sleeve 403, the outer wall of the insertion portion 408 is provided with a trapezoidal protrusion 405, the second sleeve 403 is provided with an insertion groove 406, the sidewall of the insertion groove 406 is provided with a limit protrusion 407, and an end of the limit protrusion 407 close to the pen point is an inclined surface for facilitating the trapezoidal protrusion 405 to slide over the limit protrusion 407. The first sleeve 410 and the second sleeve 403 can be assembled after being sleeved outside the first ratchet member 203 and the second ratchet member 204.
The propulsion seat 4 is in a hollow cylindrical shape, the first ratchet piece 203 is located in an inner cavity of the propulsion seat 4, at least one second linkage protrusion 208 arranged along the axial direction is arranged on the outer wall of the first ratchet piece 203, and a second linkage groove 409 in fit and plug-in connection with the second linkage protrusion 208 is arranged on the inner wall of the propulsion seat 4.
The structure is convenient to assemble, stable in structure and long in service life. The pressing piece 201 is provided with a mark 209 protruding from the rear end of the pen holder 3, and when the moving distance of the pushing seat 4 is H, the mark 209 is located in the pen holder 3.
In the figure, the indicia 209 is a ring of grooves, and the indicia 209 facilitates the user in confirming that the press has been made.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A propelling structure of a liquid pen comprises a pen holder (3), wherein a piston (207) is arranged in an inner cavity of the pen holder (3), and an inner cavity at the front side of the piston (207) is used for storing liquid materials (5), and is characterized in that a propelling seat (4) is arranged in an inner cavity at the rear side of the piston (207), an inner screw (202) is arranged on the propelling seat (4), and the inner screw (202) is connected with the piston (207);
the rear end of the pen holder is also provided with a pressing component (2), one end of the pressing component (2) is inserted into the inner cavity of the pen holder (3), and the other end of the pressing component protrudes out of the rear end of the pen holder (3); the pressing component (2) can push the pushing seat (4) to move forwards for a set distance;
when the pushing seat (4) moves forwards, the pushing seat (4), the inner screw (202) and the piston (207) are pushed forwards in a coordinated manner.
2. The propelling structure of a liquid pen according to claim 1, wherein: the pressing assembly (2) comprises a pressing piece (201) and a transmission assembly;
when the pressing piece (201) can rotate relative to the pen holder (3), the transmission assembly transmits the rotation of the pressing piece (201) to the inner screw (202), and the pressing piece (201) and the inner screw (202) rotate synchronously;
or the like, or, alternatively,
when the pressing piece (201) can stretch out and draw back relative to the pen holder (3), the transmission assembly converts the stretching motion of the pressing piece (201) into intermittent rotation, and the stretching and drawing of the pressing piece (201) drives the inner screw (202) to intermittently rotate.
3. The propelling structure of a liquid pen according to claim 1, wherein: a first limiting part (301) is arranged on the wall surface of the inner cavity at the rear side of the piston (207), and the pushing seat (4) moves forwards for a set distance and abuts against the first limiting part (301);
a second limiting part (302) is further arranged on the wall surface of the inner cavity at the rear side of the piston (207), and the second limiting part (302) is positioned at the rear side of the first limiting part (301); when the pushing seat (4) moves forwards to abut against the first limiting part (301), the rear side of the pushing seat (4) abuts against the second limiting part (302), and the pushing seat (4) is axially limited.
4. A propelling structure of a liquid pen according to claim 3, wherein: a fourth limiting part (402) is arranged on the rear side of the pushing seat (4), the fourth limiting part (402) is a convex ring, and the fourth limiting part (402) is matched with the second limiting part (302); the end face of one end, close to the pen point, of the fourth limiting portion (402) is a guide inclined plane, the end face of one end, close to the pen tail, of the fourth limiting portion is a plane, the second limiting portion (302) is at least two protruding blocks, and the surface of the second limiting portion (302) is a smooth curved surface.
5. A push type liquid pen comprising the propelling structure of claim 2,
the pressing piece (201) can extend and contract relative to the penholder (3),
an elastic part (6) is arranged between the propelling seat (4) and the transmission assembly;
the transmission assembly comprises a first ratchet piece (203) and a second ratchet piece (204), the first ratchet piece (203) is axially linked with the pressing piece (201) and circumferentially linked with the pushing seat (4), the second ratchet piece (204) is circumferentially linked with the inner screw rod (202) and can rotate relative to the pushing seat (4), and the first ratchet piece (203) and the second ratchet piece (204) are matched to form conversion of linear driving force and rotary driving force;
the pushing seat (4) is sleeved outside the inner screw (202) and is in threaded connection with the inner screw (202).
6. The push type liquid pen of claim 5 wherein: the first ratchet piece (203) and the second ratchet piece (204) are both hollow cylindrical, and the inner screw (202) penetrates through the second ratchet piece (204); a first linkage lug (205) arranged along the axial direction is arranged on the inner wall of the second ratchet piece (204), and a first linkage groove (206) which is in adaptive insertion connection with the first linkage lug (205) is arranged on the side wall of the inner screw rod (202); the end face of one end, close to the pen point, of the first ratchet piece (203) is provided with at least one inclined plane, the end face of one end, close to the pen tail, of the second ratchet piece (204) is provided with an abutting part matched with the inclined plane, and the end face of one end, close to the pen point, of the first ratchet piece (203) is abutted to the end face of one end, close to the pen tail, of the second ratchet piece (204); the end part of one end, close to the pen point, of the inner screw rod (202) is connected with a piston (207), and a cavity for storing liquid materials (5) is formed in the inner cavity part of the pen holder (3) between the piston and the brush head assembly (1).
7. The push type liquid pen of claim 6 wherein: the pushing seat (4) comprises a first sleeve (410) and a second sleeve (403), inner threads are arranged on the inner wall of the first sleeve (410), the first sleeve (410) is connected and matched with the inner screw rod (202), a raised sixth limiting portion (404) is arranged on the inner wall of the second sleeve (403), the sixth limiting portion (404) limits the first ratchet piece (203), and the first sleeve (410) is connected with the second sleeve (403) in an inserting mode.
8. The push type liquid pen of claim 7 wherein: the first sleeve (410) is provided with an inserting part (408) positioned in the second sleeve (403), the outer wall of the inserting part (408) is provided with a trapezoidal bump (405), the second sleeve (403) is provided with an inserting groove (406), the side wall of the inserting groove (406) is provided with a limiting bump (407), and one end, close to the pen point, of the limiting bump (407) slides on an inclined surface of the limiting bump (407) conveniently for the trapezoidal bump (405).
9. The push type liquid pen according to any one of claims 5 to 8, wherein: the propelling seat (4) is in a hollow cylindrical shape, the first ratchet piece (203) is located in the inner cavity of the propelling seat (4), at least one second linkage lug (208) arranged along the axial direction is arranged on the outer wall of the first ratchet piece (203), and a second linkage groove (409) which is in adaptive insertion connection with the second linkage lug (208) is formed in the inner wall of the propelling seat (4).
10. The push type liquid pen as claimed in claim 7 or 8, wherein: the pressing piece (201) protrudes out of the rear end of the pen holder (3) and is provided with a mark (209), and when the pushing seat (4) moves forwards for a set distance, the mark (209) is positioned in the pen holder (3).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020203476542 | 2020-03-19 | ||
| CN202020347654 | 2020-03-19 |
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| Publication Number | Publication Date |
|---|---|
| CN212465244U true CN212465244U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010397829.5A Pending CN111513449A (en) | 2020-03-19 | 2020-05-12 | Propelling structure and push type liquid pen of liquid pen |
| CN202020781851.5U Active CN212465244U (en) | 2020-03-19 | 2020-05-12 | Propelling structure and push type liquid pen of liquid pen |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010397829.5A Pending CN111513449A (en) | 2020-03-19 | 2020-05-12 | Propelling structure and push type liquid pen of liquid pen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112918159A (en) * | 2021-02-23 | 2021-06-08 | 杭州文研科技有限公司 | Double-color pen |
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2020
- 2020-05-12 CN CN202010397829.5A patent/CN111513449A/en active Pending
- 2020-05-12 CN CN202020781851.5U patent/CN212465244U/en active Active
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| CN111513449A (en) | 2020-08-11 |
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