CN110202976B - Press writing tool with automatic sealing device - Google Patents
Press writing tool with automatic sealing device Download PDFInfo
- Publication number
- CN110202976B CN110202976B CN201910625262.XA CN201910625262A CN110202976B CN 110202976 B CN110202976 B CN 110202976B CN 201910625262 A CN201910625262 A CN 201910625262A CN 110202976 B CN110202976 B CN 110202976B
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- sealing seat
- boss
- lining
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- 238000007789 sealing Methods 0.000 title claims abstract description 200
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000004891 communication Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 230000000694 effects Effects 0.000 claims description 7
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000750 progressive effect Effects 0.000 claims description 3
- 210000005239 tubule Anatomy 0.000 claims description 3
- 230000009471 action Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 210000003813 thumb Anatomy 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000007605 air drying Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- 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
- B43K5/02—Ink reservoirs
- B43K5/10—Ink reservoirs with reserve ink chambers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
- Pens And Brushes (AREA)
Abstract
The invention discloses a pressing writing tool with an automatic sealing device, which comprises: a housing for providing the knock writing instrument body, the housing defining a cavity therein; the sealing mechanism is arranged near the bottom of the shell and is provided with a communication hole through which the pen core can pass; the actuating mechanism responds to the pressing operation to actuate the sealing mechanism to enable the cavity to be switched between a sealing state and an atmosphere communication state; the cartridge is used for providing a writing function, when the cavity is converted from a sealed state to an atmosphere communication state, the actuating mechanism actuates the cartridge to extend out of the bottom of the shell through the sealing mechanism communication hole, and when the cavity is converted from the atmosphere communication state to the sealed state, the actuating mechanism actuates the cartridge to retract into the shell through the sealing mechanism communication hole and seal in the cavity.
Description
Technical Field
The invention relates to the field of stationery, in particular to a pressing writing tool with an automatic sealing device.
Background
The press writing tools with sealing devices on the market mainly have the following problems: firstly, the internal parts are too complicated, and are not easy to assemble after being disassembled; secondly, the pressing writing tools with sealing devices on the market at present are mainly concentrated on pressing fluorescent pens and pressing whiteboard pens, the sealing requirements are high, but the sealing effect of products on the market is poor due to the structural problem, and the phenomena of ink leakage and air drying of pen point ink appear; thirdly, the appearance is very thick due to the internal structure, so that the pen holder is not suitable for consumers of middle and primary school students; and primary and secondary school student consumers are important consumer groups of stationery products.
Therefore, in order to simplify the internal structure, extend the life span, and enhance the user's experience, it is necessary to develop a completely new knock writing instrument with an automatic sealing device.
Disclosure of Invention
The invention provides a novel pressing writing tool with an automatic sealing device, which has a good sealing function, an easy-to-assemble internal structure and a fine pen holder.
The invention adopts the following technical scheme:
a knock writing instrument with an automatic sealing device, comprising: a housing for providing the knock writing instrument body, the housing defining a cavity therein; the sealing mechanism is arranged near the bottom of the shell and is provided with a communication hole through which the pen core can pass; the actuating mechanism responds to the pressing operation to actuate the sealing mechanism to enable the cavity to be switched between a sealing state and an atmosphere communication state; the cartridge is used for providing a writing function, when the cavity is converted from a sealed state to an atmosphere communication state, the actuating mechanism actuates the cartridge to extend out of the bottom of the shell through the sealing mechanism communication hole, and when the cavity is converted from the atmosphere communication state to the sealed state, the actuating mechanism actuates the cartridge to retract into the shell through the sealing mechanism communication hole and seal in the cavity.
Further, the shell is a pen holder, a pen point hole is formed in the bottom of the pen holder, and a pen holder through groove is formed in the upper portion of the pen holder.
Further, the cartridge includes: an inner rod, a water storage core, a pen point and a pipe plug,
more specifically, the inner rod is a cylinder with a tubule arranged at the lower part;
more specifically, the water storage core is assembled inside the inner rod, and the water storage core stores ink;
more specifically, the pen point is assembled at the top of the inner rod, the rear part of the pen point is inserted into the water storage core so as to achieve the ink guiding effect, and the pen point is provided with a step positioning assembly position;
more specifically, the pipe plug is assembled at the top of the inner rod to seal the water storage core, and the pipe plug is detachable to facilitate replacement of the water storage core.
Further, the actuation mechanism includes a first actuation unit including: a guide rail, a rotating wheel, a press head and a telescopic spring,
more specifically, the guide rail is provided with an elastic buckling point, the guide rail is assembled in the pen holder through groove through the elastic buckling point, and the guide rail is provided with a guide groove;
more specifically, a runner boss is arranged on the runner so as to be assembled in the guide groove, a tooth shape corresponding to the bottom of the guide rail is arranged at the top of the runner, and the runner is assembled at the middle step position of the inner rod in the inner rod;
more specifically, the press head is provided with a press head boss which is assembled in the guide groove, the bottom of the press head is provided with a tooth shape corresponding to the top of the rotating wheel, and the press head is assembled on the top of the pen holder;
more specifically, the telescopic spring is assembled at the bottom of the inner rod, and the telescopic spring can elastically return the inner rod to the initial position.
Further, the actuation mechanism includes a second actuation unit including: a guide (10), a sealing seat, a connecting piece and a lining,
more specifically, the guide piece is assembled at the lower part of the inner rod, two through headspace grooves and two non-through headspace grooves are respectively arranged at the four equal parts of the guide piece, and the opening part of the through headspace groove is in a bottleneck shape;
more specifically, an extension sheet body is arranged at the bottom of the sealing seat, a sealing seat circular through hole is formed in the extension sheet body, a sealing seat semicircular boss is arranged at the top of the sealing seat, a sealing seat rectangular through hole is staggered at the position of the sealing seat semicircular boss which is 90 degrees, the sealing seat is assembled inside the guide piece along a non-through headspace groove through the sealing seat semicircular boss, the sealing seat is fixed by matching a step at the corresponding position inside the sealing seat semicircular boss and the penholder, a sealing seat rectangular through groove is formed in the middle of the sealing seat, a sealing seat elastic buckle is arranged in the sealing seat rectangular through groove, two progressive bosses are arranged at the top and the bottom of the sealing seat circular through groove, and the boss at the upper part of the lining can pass through the widest inner diameter of the sealing seat circular through groove;
more specifically, the connecting piece comprises a connecting piece straight section feature and a connecting piece circular feature, the top ends of the connecting piece straight section feature are connected through the connecting piece circular feature, the inner diameter of the connecting piece circular feature is larger than the outer diameter of the guide piece, the guide piece is assembled in the connecting piece, an inward connecting piece boss is arranged at the bottom of the connecting piece straight section feature, and the connecting piece boss is assembled in the through-head space groove and the sealing seat rectangular through hole;
more specifically, the inner liner is a sealing component, and the material of the inner liner is an elastic material.
Further, sealing mechanism includes sealing valve, sealing valve is the hemisphere of middle part fretwork, this middle part fretwork portion with the inside cooperation of guide forms columniform the intercommunicating pore, sealing valve side is equipped with sealing valve recess, the inside cylinder boss that corresponds with sealing valve recess position that is equipped with of guide bottom, sealing valve is equipped with sealing valve boss, sealing valve boss diameter is less than sealing seat circular through-hole, sealing valve boss assemble in inside the circular through-hole of sealing seat.
Further, when the pressing force is transmitted to the guide piece, the sealing valve can rotate 90 degrees through the inclined surface of the angle groove of the sealing valve groove, so that the hollow part of the sealing valve and the circular through hole of the lining are located at the same circle center.
Further, the inside lining middle part has the circular through-hole of inside lining, the inside lining is equipped with the bottom step in its bottom, inside lining bottom step with the circular bottom step cooperation restriction of leading to the groove of sealing seat the downhill movement of inside lining, the biggest excircle diameter of inside lining appearance is less than the diameter of the circular through-hole of sealing seat, the inside lining external diameter has the inside lining recess, sealing seat elasticity snap fit in the inside lining recess, the outside diameter of inside lining with the internal diameter of sealing seat has certain clearance, there is a annular on the circular through-hole of inside lining, annular interference fit is on the interior pole.
Further, an inner rod boss is arranged on the inner rod and assembled in the non-through headspace groove, an inner rod triangular boss is arranged on the inner rod (5), the initial position of the inner rod triangular boss is above the through headspace groove, and the bottom edge of the inner rod triangular boss is longer than the bottleneck-shaped gap of the through headspace groove.
Further, in the sealing state, the axis of the sealing valve boss is vertically staggered with the inner lining circular through hole by 90 degrees, the cylindrical boss of the guide piece is assembled in the sealing valve groove, and the rectangular through hole of the sealing seat is vertically staggered with the inner lining circular through hole by 90 degrees.
The invention designs a brand new pressing writing tool with an automatic sealing device, and the sealing device can realize automatic opening and closing actions in the pressing process through a simple and exquisite structure.
Drawings
The foregoing aspects of the invention and the following detailed description will be better understood when read in conjunction with the accompanying drawings. It should be noted that the drawings are only examples of the claimed technical solutions. In the drawings, like reference numbers indicate identical or similar elements.
Fig. 1 is an exploded perspective view of a knock-type writing instrument having an automatic sealing device according to one embodiment of the present invention.
Fig. 2 is an exploded perspective view of the internal components of a knock-type writing instrument with an automatic sealing device according to one embodiment of the present invention.
Fig. 3 is an axial sectional view of the barrel.
Fig. 4 is a front view of the barrel.
Fig. 5 is a side view of the guide rail.
Fig. 6 is an axial cross-sectional view of the guide rail.
Fig. 7 is a bottom view of the guide rail.
Fig. 8 is a top view of the guide rail.
Fig. 9 is a front view of the guide rail.
Fig. 10 is a front view of the wheel.
FIG. 11 is a cross-sectional view of a wheel.
Fig. 12 is a top view of the wheel.
Fig. 13 is a perspective view of the wheel.
Fig. 14 is a front view of the thumb press.
Fig. 15 is an axial cross-sectional view of the thumb press.
Fig. 16 is a top view of the thumb press.
Fig. 17 is an axial cross-sectional view of the inner rod.
Fig. 18 is a front view of the inner rod.
Fig. 19 is a bottom view of the pipe plug.
Fig. 20 is a perspective view of a pipe plug.
Fig. 21 is a front view of the pipe plug.
Fig. 22 is an axial cross-sectional view of the pipe plug.
Fig. 23 is a side view of the sealing valve.
Fig. 24 is a bottom view of the sealing valve.
Fig. 25 is a perspective view of the sealing valve.
Fig. 26 is a side view of the guide.
Fig. 27 is a front view of the guide.
Fig. 28 is a perspective view of the guide.
Fig. 29 is a side view of the seal holder.
Fig. 30 is a front view of the seal holder.
Fig. 31 is an axial cross-sectional view of the seal holder.
Fig. 32 is a perspective view of the seal holder.
Fig. 33 is a front view of the connector.
Fig. 34 is a side view of the connector.
Fig. 35 is a perspective view of the connector.
Fig. 36 is a front view of the liner.
Fig. 37 is an axial cross-sectional view of the liner.
Fig. 38 is a front view of the extension spring.
Fig. 39 is an axial sectional view of the knock writing instrument in a knock pen core retracted state.
Fig. 40 is an axial sectional view of the knock writing instrument in the knock-out state.
Wherein reference numerals are as follows:
1. pen holder
1a nib hole
1b penholder through groove
2. Guide rail
2a elastic fastening point
2b guide groove
3. Rotating wheel
3a runner boss
4. Press head
4a press head boss
5. Inner rod
5a middle step of inner rod
5b inner rod boss
5c inner rod triangle boss
6. Water storage core
7. Pen point
8. Pipe plug
9. Sealing valve
9a sealing valve boss
9b seal valve groove
10. Guide piece
10a through headspace groove
10b non-open headspace groove
10c guide fixing part
11. Sealing seat
11a sealing seat semicircular boss
11b seal seat elastic buckle
11c seal seat circular through hole
11d seal seat circular through groove
Rectangular through hole of 11e sealing seat
Rectangular through groove of 11f sealing seat
12. Connecting piece
12a connector straight section feature
12b connector circular feature
12c connector boss
13. Lining(s)
13a lining bottom step
13b lining groove
13c inner lining circular through hole
14. Telescopic spring
Detailed Description
The detailed features and advantages of the present invention will be readily apparent to those skilled in the art from that description, claims, and drawings.
A knock writing instrument with an automatic sealing device as shown in fig. 1, comprising: a shell, a pen core, an actuating mechanism and a sealing mechanism,
the outer shell is used for providing the pressing writing tool body, and a cavity is formed in the outer shell;
the sealing mechanism is arranged near the bottom of the shell and is provided with a communication hole through which the pen core can pass;
the actuating mechanism responds to the pressing operation to actuate the sealing mechanism to enable the cavity to be switched between a sealing state and an atmosphere communication state;
the cartridge is used for providing a writing function, when the cavity is converted from a sealed state to an atmosphere communication state, the actuating mechanism actuates the cartridge to extend out of the bottom of the shell through the sealing mechanism communication hole, and when the cavity is converted from the atmosphere communication state to the sealed state, the actuating mechanism actuates the cartridge to retract into the shell through the sealing mechanism communication hole and seal in the cavity.
The shell is used for providing the pressing writing tool body, and the shell is a pen holder 1.
The cartridge is used for providing a writing function, and the cartridge comprises: the inner rod 5, the water storage core 6, the nib 7 and the pipe plug 8.
The actuating mechanism being operable in response to an external operation to change an internal sealing state of the knock writing instrument, the actuating mechanism being resiliently returned to an initial position by the knock operation, the actuating mechanism comprising: the device comprises a guide rail 2, a rotating wheel 3, a press head 4, a telescopic spring 14, a guide piece 10, a sealing seat 11 and a lining 13;
the sealing mechanism is controlled by an actuating mechanism to change the state of sealing or communication inside the writing instrument, and comprises a sealing valve 9.
The pen holder 1 is provided with a pen point hole 1a at the bottom, and a pen holder through groove 1b is arranged at the upper part of the pen holder 1.
The guide piece 10 is assembled at the lower part of the inner rod 5, two through headspace grooves 10a and two non-through headspace grooves 10b are respectively arranged at the four equal dividing positions of the guide piece 10, and the opening part of the through headspace groove 10a is provided with a bottleneck-shaped angle.
The inner rod 5 is a cylinder with a tubule arranged at the lower part, the inner rod 5 is provided with an inner rod boss 5b which is assembled in the non-passing headspace groove 10b, the inner rod 5 is provided with an inner rod triangle boss 5c, the inner rod 5 transmits pressing power to the guide piece 10 by utilizing the inner rod triangle boss 5c, and when the guide piece 10 moves down to the right position, the inner rod triangle boss 5c enters the passing headspace groove 10a due to an open slot structure.
The water storage core 6 is assembled inside the inner rod 5, and the water storage core 6 stores ink.
The pen point 7 is assembled at the top of the inner rod 5, the rear part of the pen point 7 is inserted into the water storage core 6 so as to achieve the ink guiding effect, and the pen point 7 is provided with a step positioning assembly position.
The pipe plug 8 is assembled at the top of the inner rod 5 to seal the water storage core 6, and the pipe plug 8 is detachable to facilitate replacement of the water storage core 6.
The guide rail 2 is provided with an elastic buckling point 2a, the guide rail 2 is assembled in the pen holder through groove 1b through the elastic buckling point 2a, and the guide rail 2 is provided with a guide groove 2b.
The rotating wheel 3 is provided with a rotating wheel boss 3a so as to be assembled in the guide groove 2b, the top of the rotating wheel 3 is provided with a tooth shape corresponding to the bottom of the guide rail 2, and the rotating wheel 3 is assembled at the middle step 5a of the inner rod in the inner rod.
The snap 4 is provided with a snap boss 4a to be assembled in the guide groove 2b, the bottom of the snap 4 is provided with a tooth shape corresponding to the top of the rotating wheel 3, and the snap 4 is assembled on the top of the pen holder 1. The snap 4 is matched with the rotating wheel 3, the guide rail 2, the inner rod 5 and the telescopic spring 14 to complete the core-out and retraction actions of the pen point 7
The telescopic spring 14 is assembled at the bottom of the inner rod 5, and the telescopic spring 14 can elastically return the inner rod 5 to its original position.
The sealing seat is characterized in that an extending sheet body is arranged at the bottom of the sealing seat 11, a sealing seat circular through hole 11c is formed in the extending sheet body, a sealing seat semicircular boss 11a is arranged at the top of the sealing seat 11, sealing seat rectangular through holes 11e are formed in the sealing seat semicircular boss 11a in a staggered mode at the position of 90 degrees, the sealing seat 11 is assembled inside the guide piece 10 along the non-through top empty groove 10b through the sealing seat semicircular boss 11b, the sealing seat 11 is fixed through the matching of steps at the corresponding positions inside the sealing seat semicircular boss 11b and the pen holder 1, a sealing seat rectangular through groove 11f is formed in the middle of the sealing seat 11, a sealing seat elastic buckle 11b is arranged in the sealing seat rectangular through groove 11f, a sealing seat circular through groove 11d penetrates through the sealing seat inside, two progressive bosses are arranged at the top and the bottom of the sealing seat circular through groove 11d, and the widest inner diameter of the sealing seat circular through groove 11d can enable bosses on the upper portion of the liner 13 to pass through.
The inner liner 13 is a sealing member, and the material of the inner liner 13 is an elastic material. The middle part of inside lining 13 has inside lining circular through-hole 13c, the inside lining is equipped with bottom step 13a in its bottom, inside lining bottom step 13a with the bottom step cooperation of the circular logical groove 11d of sealing seat restricts the downward movement of inside lining 13, the biggest excircle diameter of inside lining 13 appearance is less than the diameter of the circular through-hole 11c of sealing seat, inside lining 13 external diameter has inside lining recess 13b, sealing seat elasticity buckle 11b assemble in inside lining recess 13b, sealing seat rectangle through-hole 11e with inside lining circular through-hole 13c is 90 vertical stagger. The outer diameter of the lining 13 and the inner diameter of the sealing seat 11 have a certain clearance, the circular through hole 13c of the lining is provided with a ring groove, and the ring groove is in interference fit with the inner rod, so that the contradiction between sealing and resetting is solved.
The sealing valve 9 is a hemispheroid with a hollowed middle part, the hollowed middle part and the guide piece 10 are matched to form a cylindrical communication hole, a sealing valve groove 9b is formed in the side face of the sealing valve 9, a cylindrical boss corresponding to the sealing valve groove 9b in position is arranged in the bottom end of the guide piece 10, a sealing valve boss 9a is arranged in the sealing valve 9, the diameter of the sealing valve boss 9a is smaller than that of the sealing seat circular through hole 11c, and the sealing valve boss 9a is assembled in the sealing seat circular through hole 11 c. In the sealing state, the axis of the sealing valve boss 9a is vertically staggered with the inner lining circular through hole 13c by 90 degrees, the cylindrical boss of the guide piece 10 is assembled in the sealing valve groove 9b, and when the pressing power is transmitted to the guide piece 10, the sealing valve can rotate by 90 degrees through the inclined surface of the angle groove of the sealing valve groove 9b, so that the hollowed-out part of the sealing valve 9 and the inner lining circular through hole 13c are positioned at the same circle center.
In the state that the pen core is retracted, when the sealing valve 9 seals the opening of the inner liner 13, the inner liner 13 and the sealing valve 9 are in interference fit, so that the effect of pre-pressing the opening of the sealing valve 9 (reliable pre-pressing) is achieved, and the sealing effect is further improved.
The sealing valve 9, the lining 13, the sealing seat 11, the guide piece 10, the telescopic spring 14, the inner rod 5, the pipe plug 8, the pen point 7 and the water storage core 6 form a structure whole.
The knock writing instrument with the self-sealing device described above demonstrates the transition between the wick and the sealed state by the following examples:
core-out time: pressing the press head 4, under the action of the tooth form at the bottom of the press head 4 and the tooth form of the rotating wheel 3, enabling the rotating wheel 3 to rotate for a certain angle, enabling three rotating wheel bosses 3a on the side wall of the rotating wheel 3 to leave the guide groove 2b, under the action of the tooth form at the bottom of the press head 4 and the tooth form of the rotating wheel 3, enabling the rotating wheel 3 to rotate for a certain angle, loosening the press head 4, and under the action of the telescopic spring 14, enabling the rotating wheel bosses 3a to move to the ratchet at the lower end of the guide rail 2 and be fixed; the pressing force is transmitted to the guide piece 10 through the inner rod triangular boss 5c, the cylindrical boss in the bottom of the guide piece 10 is matched with the sealing valve groove 9b, the sealing valve 9 is assembled on the sealing seat 11, and the sealing seat 11 cannot move downwards because of a circle of steps in the corresponding position in the pen holder 1; thus, during the downward movement of the guide 10, the sealing valve 9 is rotated by 90 ° in the circular through hole 11e of the sealing seat; the semicircular hollowed-out part of the sealing valve 9 is mutually connected with the lining circular through hole 13c, and the circle centers are positioned on the same central line; and a channel is provided for the core-out of the pen point 7, and at the moment, the rotating wheel boss 3a is in tooth-shaped fit with the bottom of the guide rail 2, so that the core-out action is realized.
When in sealing: pressing the press head 4 again, under the action of the tooth form of the bottom of the press head 4 and the tooth form of the rotating wheel 3, enabling the rotating wheel 3 to rotate for a certain angle, enabling the rotating wheel boss 3a to return to the guide groove 2b, under the action of the elasticity of the telescopic spring 14, enabling the inner rod 5 to move upwards by the spring force, and driving the guide piece 10 to move upwards through the inner rod triangular boss 5c and the guide piece through the overhead groove 10 a; the cylindrical boss at the bottom of the guide piece 10 is matched with the sealing valve groove 9b, at the moment, the sealing valve 9 rotates 90 degrees, the semicircular hollowed-out part of the sealing valve 9 is lined with a circular through hole 13c in a vertical state, the pen point 7 is retracted into the lining 13, and the opening of the lining 13 is sealed by the sealing valve 9; the effect of sealing the pen point 7 is achieved.
The terms and expressions which have been employed herein are used as terms of description and not of limitation. The use of these terms and expressions is not meant to exclude any equivalents of the features shown and described (or portions thereof), and it is recognized that various modifications are possible and are intended to be included within the scope of the claims. Other modifications, variations, and alternatives are also possible. Accordingly, the claims should be looked to in order to cover all such equivalents.
Also, it should be noted that while the present invention has been described with reference to the particular embodiments presently, it will be appreciated by those skilled in the art that the above embodiments are provided for illustration only and that various equivalent changes or substitutions may be made without departing from the spirit of the invention, and therefore, the changes and modifications to the above embodiments shall fall within the scope of the claims of the present invention as long as they are within the true spirit of the invention.
Claims (1)
1. A knock writing instrument having an automatic sealing device, comprising: a shell, a pen core, an actuating mechanism and a sealing mechanism,
the outer shell is used for providing the pressing writing tool body, and a cavity is formed in the outer shell;
the sealing mechanism is arranged near the bottom of the shell and is provided with a communication hole through which the pen core can pass;
the actuating mechanism responds to the pressing operation to actuate the sealing mechanism to enable the cavity to be switched between a sealing state and an atmosphere communication state;
the pen refill is used for providing a writing function, when the cavity is converted from a sealed state to an atmosphere communication state, the actuating mechanism actuates the pen refill to extend out of the bottom of the shell through the sealing mechanism communication hole, and when the cavity is converted from the atmosphere communication state to the sealed state, the actuating mechanism actuates the pen refill to retract into the shell through the sealing mechanism communication hole and seal in the cavity;
the shell is a pen holder (1), a pen point hole (1 a) is formed in the bottom of the pen holder (1), and a pen holder through groove (1 b) is formed in the upper portion of the pen holder (1);
the pen refill comprises: an inner rod (5), a water storage core (6), a pen point (7) and a pipe plug (8),
the inner rod (5) is a cylinder with a tubule arranged at the lower part;
the water storage core (6) is assembled inside the inner rod (5), and the water storage core (6) stores ink;
the pen point (7) is assembled at the top of the inner rod (5), the rear part of the pen point (7) is inserted into the water storage core (6) so as to achieve the ink guiding effect, and the pen point (7) is provided with a step positioning assembly position;
the pipe plug (8) is assembled at the top of the inner rod (5) so as to seal the water storage core (6), and the pipe plug (8) can be detached so as to be convenient for replacing the water storage core (6);
the actuation mechanism includes a first actuation unit including: a guide rail (2), a rotating wheel (3), a press head (4) and a telescopic spring (14),
the guide rail (2) is provided with an elastic buckling point (2 a), the guide rail (2) is assembled in the pen holder through groove (1 b) through the elastic buckling point (2 a), and the guide rail (2) is provided with a guide groove (2 b);
the rotating wheel (3) is provided with a rotating wheel boss (3 a) so as to be assembled in the guide groove (2 b), the top of the rotating wheel (3) is provided with a tooth shape corresponding to the bottom of the guide rail (2), and the rotating wheel (3) is assembled at the middle step (5 a) of the inner rod in the inner rod;
a press head boss (4 a) is arranged on the press head (4) so as to be assembled in the guide groove (2 b), a tooth shape corresponding to the top of the rotating wheel (3) is arranged at the bottom of the press head (4), and the press head (4) is assembled at the top of the pen holder (1);
the telescopic spring (14) is assembled at the bottom of the inner rod (5), and the telescopic spring (14) can elastically return the inner rod (5) to the initial position;
the actuation mechanism includes a second actuation unit including: a guide (10), a sealing seat (11), a connecting piece (12) and a lining (13),
the guide piece (10) is assembled at the lower part of the inner rod (5), two through headspace grooves (10 a) and two non-through headspace grooves (10 b) are respectively arranged at the quartering positions of the guide piece (10), and the opening of the through headspace groove (10 a) is in a bottleneck shape;
the sealing seat is characterized in that an extending sheet body is arranged at the bottom of the sealing seat (11), a sealing seat circular through hole (11 c) is formed in the extending sheet body, a sealing seat semicircular boss (11 a) is arranged at the top of the sealing seat (11), a sealing seat rectangular through hole (11 e) is formed in the sealing seat semicircular boss (11 a) in a staggered mode at a position of 90 degrees, the sealing seat (11) is assembled inside the guide piece (10) along a non-through top empty groove (10 b) through the sealing seat semicircular boss (11 a), the sealing seat (11) is fixed in a matched mode with a step at the corresponding position inside the penholder (1), a sealing seat rectangular through groove (11 f) is formed in the middle of the sealing seat (11), a sealing seat elastic buckle (11 b) is arranged in the sealing seat rectangular through groove (11 f), two progressive bosses are arranged at the top and the bottom of the sealing seat circular through groove (11 d), and the inner diameter of the sealing seat through groove (11 d) can pass through the lining (13);
the connecting piece (12) comprises a connecting piece straight section feature (12 a) and a connecting piece circular feature (12 b), the top ends of the connecting piece straight section feature (12 a) are connected through the connecting piece circular feature (12 b), the inner diameter of the connecting piece circular feature (12 b) is larger than the outer diameter of the guide piece (10), the guide piece (10) is assembled in the connecting piece (12), an inward connecting piece boss (12 c) is arranged at the bottom of the connecting piece straight section feature (12 a), and the connecting piece boss (12 c) is assembled in the through-head space groove (10 a) and the sealing seat rectangular through hole (11 e);
the lining (13) is a sealing part, and the material of the lining (13) is an elastic material;
the sealing mechanism comprises a sealing valve (9),
the sealing valve (9) is a hemispheroid with a hollowed middle part, the hollowed middle part and the inside of the guide piece (10) are matched to form a cylindrical communication hole, a sealing valve groove (9 b) is formed in the side face of the sealing valve (9), a cylindrical boss corresponding to the sealing valve groove (9 b) in position is arranged in the bottom end of the guide piece (10), the sealing valve (9) is provided with a sealing valve boss (9 a), the diameter of the sealing valve boss (9 a) is smaller than that of the sealing seat circular through hole (11 c), and the sealing valve boss (9 a) is assembled in the sealing seat circular through hole (11 c);
the middle part of the lining (13) is provided with a lining circular through hole (13 c), the bottom of the lining (13) is provided with a bottom step (13 a), the lining bottom step (13 a) is matched with the bottom step of the circular through groove (11 d) of the sealing seat to limit the downward movement of the lining (13), the largest outer circle diameter of the appearance of the lining (13) is smaller than the diameter of the circular through hole (11 c) of the sealing seat, the outer diameter of the lining (13) is provided with a lining groove (13 b), the elastic clamping buckle (11 b) of the sealing seat is assembled in the lining groove (13 b), a certain gap is reserved between the outer diameter of the lining (13) and the inner diameter of the sealing seat (11), and an annular groove is arranged on the lining circular through hole (13 c) and is in interference fit with an inner rod;
when the pressing power is transmitted to the guide piece (10), the sealing valve can rotate 90 degrees through the inclined surface of the angle groove of the sealing valve groove (9 b) so that the hollowed-out part of the sealing valve (9) and the lining circular through hole (13 c) are positioned at the same circle center;
an inner rod boss (5 b) is arranged on the inner rod (5) and is assembled in the non-through headspace groove (10 b), an inner rod triangular boss (5 c) is arranged on the inner rod (5), the initial position of the inner rod triangular boss (5 c) is above the through headspace groove (10 a), and the bottom edge of the inner rod triangular boss (5 c) is longer than the bottleneck-shaped gap of the through headspace groove (10 a);
in the sealing state, the axis of the sealing valve boss (9 a) is vertically staggered with the inner lining circular through hole (13 c) by 90 degrees, the cylindrical boss of the guide piece (10) is assembled in the sealing valve groove (9 b), and the sealing seat rectangular through hole (11 e) is vertically staggered with the inner lining circular through hole (13 c) by 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910625262.XA CN110202976B (en) | 2019-07-11 | 2019-07-11 | Press writing tool with automatic sealing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910625262.XA CN110202976B (en) | 2019-07-11 | 2019-07-11 | Press writing tool with automatic sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110202976A CN110202976A (en) | 2019-09-06 |
| CN110202976B true CN110202976B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910625262.XA Active CN110202976B (en) | 2019-07-11 | 2019-07-11 | Press writing tool with automatic sealing device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111002739B (en) * | 2019-12-25 | 2020-10-09 | 杭州简弈科技有限公司 | Pen with repeatedly reset cylinder |
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| CN101239551A (en) * | 2007-02-08 | 2008-08-13 | 莫里斯公司 | Slide type writing tool having device for preventing dryness |
| JP2016203454A (en) * | 2015-04-20 | 2016-12-08 | 三菱鉛筆株式会社 | Knock type writing utensil |
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| CN1618629A (en) * | 2004-06-28 | 2005-05-25 | 邱智铭 | Pressing fluorescent marking pen with propelled pen head |
| CN2838973Y (en) * | 2004-06-28 | 2006-11-22 | 邱智铭 | Lifting fluorescent marking pen with retractable nib |
| CN2910604Y (en) * | 2006-03-10 | 2007-06-13 | 王良 | Writing articles |
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| CN110202976A (en) | 2019-09-06 |
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