CN218112184U - A kind of rotary pressing head locking pen - Google Patents

Abstract

The utility model discloses a rotatory press head locking pen, this rotatory press head locking pen include the casing, the spring, the refill, press portion and pressure cap, press portion still contains the press head, realizes the switching of rotatory press head locking pen between locking state and unblock state through the relative rotation of press head and casing, and under the locking state, the press head can not be operated, and rotatory press head locking pen can not make the nib stretch out the casing because the mistake touches.

Description

A kind of rotary pressing head locking pen

technical field

The utility model relates to the field of writing tools, in particular to a rotary pressing head locking pen.

Background technique

Common pens on the market are generally composed of a pen holder and a refill. In order to protect the tip of the refill from damage, common pens generally include a cap, which is removed when in use and capped when not in use. Alternatively, the pen core rebound function is added to the pen, and the pen head is extended out of the pen holder when in use through the user's operation, and the pen head is retracted into the pen holder when not in use.

Compared with traditional pens with caps, the push pen is more convenient to use, and at the same time, the push pen is small in size and there is no risk of losing the cap, so it is becoming more and more popular among the public. Common push pens are generally equipped with parts such as a push head and a runner in the pen holder, and then cooperate with the inner guide groove of the pen holder to realize the function of ejecting and retracting the pen head. When this type of push pen is not in use, the pen core has a storage process. When the pen core is extended and the press head is operated again, the pen core can be retracted into the pen holder, which can prevent the adjacent items from being polluted , can also protect the nib. However, in the current conventional press pen, when the press head is touched inadvertently, the pen core will be pushed out toward one side. This unintentional mistouch causes the part of the pen tip to protrude, which will cause damage to the pen tip, ink stains, etc. An unpleasant situation occurs. In addition, especially for the actuation pen with strong ink volatility, if the pen tip is not retracted into the pen barrel to seal it, the pen tip is exposed outside the pen barrel for a long time, and the ink is in a state of continuous volatilization, which will cause ink loss and writing problems. The case of poor hand feeling.

Therefore, in order to prevent the actuating pen from accidentally touching the actuating part when it is not in use, causing the nib to protrude from the writing end of the pen holder, thereby causing damage to the nib, staining objects with ink, excessive ink volatilization, and poor writing feel, it is necessary to develop a rotating pen. The press head lock pen determines whether to lock the press head according to consumer preferences and usage scenarios. At the same time, a feedback mechanism and a status prompt mechanism are added to the press pen, so that the user can know the status of the press pen at a glance, and the pen The tool should be simple in structure and easy to stabilize in both locked and unlocked states.

Utility model content

The purpose of the utility model is to solve the deficiencies of the nib being damaged, the ink staining the article, the ink volatilizing quickly and the writing feeling not good due to the mistaken touch of the actuating part when the actuating pen is not in use, and the purpose is to provide a rotary pen Press the head to lock the pen.

In order to solve the problems of the technologies described above, the utility model adopts the following technical solutions:

A rotary press head locking pen, comprising a housing arranged along the axis, a spring, a refill and a driving part, wherein the housing has a cavity and a writing end located at one end of the cavity, and the cavity is used to accommodate the spring, the pen Core and actuating part; the actuating part and the refill are arranged in the casing from back to front in sequence, wherein the refill includes the nib, and the actuating part includes the pressing head, and the user drives the refill in the extended state by pressing the pressing head Switch between the retracted state, in the extended state, the nib extends out of the writing end; in the retracted state, the nib retracts into the writing end; the spring is pressed between the pen core and the housing, and in the extended state, the spring is compressed state, providing resilience for the pressing part; the rotating pressing head locking pen also includes a pressing cap, which is set on the side of the rotating pressing head locking pen away from the writing end, and the pressing cap is set outside the pressing head, so that the pressing head can be opposite The housing and the pressing cap rotate within a limited range, so that the locking pen can be switched between the locked state and the unlocked state: when the pressing head rotates to the first rotation position relative to the pressing cap, the leading head interferes with the pressing cap, and the pressing head The head cannot be pressed, so that the locking pen is in the locked state; when the pressing head is rotated to the second rotation position relative to the pressing cap, the pressing head can be pressed without hindrance, so that the locking pen is in the unlocked state.

Further, the pressure cap is a cavity structure.

Further, the inner wall is provided with guide rail grooves.

Further, the groove of the guide rail is in the shape of a letter "Z".

Further, the guide rail groove includes a guide rail first-stage groove extending axially, a guide rail second-stage groove and a guide rail transition section extending circumferentially.

Further, the groove of the first section of the guide rail and the groove of the second section of the guide rail are connected end to end through the transition section of the guide rail.

Further, the press head includes a press head boss.

Further, the boss of the pressing head matches with the groove of the guide rail.

Further, when the boss of the pressing head is in the first groove of the guide rail, the pressing head is intercepted by the transition section of the guide rail and cannot be pressed.

Further, when the pressing head is rotated so that the pressing head boss is rotated to the second-section groove of the guide rail along the transition section of the guide rail, the pressing head can move along the axial direction of the housing without hindrance.

Further, the driving part also includes a rotating wheel and a pressing core.

Further, the runner, the pressing core and the pressing head cooperate with each other, and are sequentially arranged in the casing from front to back.

Furthermore, the runner can move linearly along the axis, and can also rotate around the axis.

Further, the snap core can only move linearly along the axis.

Further, the runner includes a runner guide groove and a runner boss.

Further, the pressing core includes a pressing core guide groove and a pressing core boss.

Further, the inner wall of the pressure cap includes rail ribs.

Further, the boss of the runner, the boss of the pressing core and the rib of the guide rail cooperate with each other to realize the pressing.

Further, the transition section of the guide rail is in interference fit with the boss of the pressing head.

Further, the inner wall of the press head includes a first annular rib protruding inward.

Further, the outer wall of the press core includes a second annular rib protruding outward.

Further, the smallest inner diameter of the first annular rib is smaller than the largest outer diameter of the second annular rib.

Further, the first annular rib is closer to the writing end than the second annular rib.

Further, the inner wall of the tail part of the housing includes positioning slots.

Further, the outer wall of the pressure cap includes positioning ribs.

Further, the positioning groove and the positioning rib cooperate with each other to limit the relative movement between the housing and the pressing cap.

Further, the outer wall of the pressing cap includes a marking part.

Further, the pressing head includes an identification key.

Further, in the unlocked state and the locked state of the rotary press lock pen, the identification keys are respectively aligned with the corresponding identification parts to indicate the current state of the rotary press lock pen.

Further, the tail of the casing contains a clip and a clip spring.

Further, the tail of the clip is rotatably connected to the outer wall of the casing, and the clip spring is arranged between the tail of the clip and the casing.

Further, the housing includes a sheath.

Further, the sheath is sheathed on the outside of the housing, corresponding to the position held by the user when writing.

Further, the sheath is made of elastic material.

Preferably, the housing can be a detachable structure, including a pen neck and a pen barrel, which are arranged in sequence from front to back, and can be connected by threads. There is a sheath on the outside of the shell, and the sheath is set at the position held by the user. The material can be thermoplastic elastomer (thermoplastic elastomer, namely TPE or /TPR), which is a kind of rubber that can be processed by plastic method. Plastic processing performance, the material is safe and non-toxic, with good stability, soft texture, beautiful and comfortable, good rebound performance, and strong wet and slip resistance. At the same time, the neck of the pen in the utility model can be processed into an ergonomic shape, so that it is more comfortable to hold, and the hand will not be tired when writing for a long time. The connection mode of the pen neck and the penholder can be threaded connection.

The rotating press head locking pen can also be provided with a pen holder, and the pen holder is provided with a rotating shaft near the tail of the pen holder, so that the pen holder can rotate around the rotating shaft at a certain angle, and the rotating pressing head locking pen can be passed through the pen holder when not in use. Hold it on clothes pockets, book pages and other thinner sheet objects for easy access at any time. Preferably, a clip spring can be provided at the tail of the clip, so that the clamping force is stronger and the fixing is easier.

Preferably, in order to be more conspicuous, the outer wall of the pressing cap is provided with a logo part. The outer wall of the pressing head is provided with an identification key. More preferably, the identification part includes two identifications, which respectively correspond to the unlocked state and the locked state of the rotary press head locking pen. When the locking pen is in the unlocked state or the locked state, the identification key will be aligned with the corresponding identification in the identification part. Through the identification configuration, the user can know at a glance the state of the locking pen by the rotary press head.

The technical effect of the utility model is as follows:

By setting the pressure cap and the pressing head to cooperate, the pressing head can rotate within a limited range relative to the pressing cap and the housing, so as to realize the flexible switch between the locking state and the unlocking state of the locking actuating pen, and the actuating pen can rotate the pressing head when it is not in use It can be switched to the locked state, the pressing head cannot be pressed relative to the housing, and the writing end will not protrude due to accidental touch on the actuating part, effectively preventing the pen head from polluting the container or clothing due to accidental touch. Keeping the locked state retracted in the pen shell during use can effectively prevent the nib from being bruised due to accidental touch and protruding out. For highly volatile inks, keeping the pen retracted in the pen shell when not in use can effectively prevent the ink from volatilizing , to increase the service life. Correspondingly, the initial writing feel will be better and the handwriting will be smoother when writing next time. When you need to use the pressing pen, just turn the pressing head in the opposite direction to switch to the unlocked state. The tip of the refill sticks out of the writing end of the actuating pen to write when it is actuated; through the interference fit between the interference part in the transition section of the guide rail and the boss of the actuating head, the state switching of the locking actuating pen is given feedback. Feedback of hand feeling can be provided during operation, which makes the operation more convenient, and the feedback of hand feel is convenient for users to understand the current operating status. The interference part can also locate the locked state and unlocked state to produce a certain binding force, which will not inadvertently slightly The rotating part is rotated under the external force, so that the state of the pen is more stable; the pen holder is provided with a state indicating mark, and the user can know the state of the locked pen at a glance.

To sum up, the utility model provides a simple structure, low cost, anti-mistouch, no pollution, longer service life, comfortable handle, high reliability, good stability, so that users can decompress and have fun. Strong swivel press locks the pen.

Description of drawings

The above technical contents of the utility model and the following specific implementation methods will be better understood when read in conjunction with the accompanying drawings. It should be noted that the accompanying drawings are only examples of the technical solution claimed. In the drawings, the same reference numerals represent the same or similar elements.

Fig. 1 is a sectional view of a locking pen with a rotary pressing head;

Fig. 2 is an exploded view of the locking pen with the rotary pressing head;

Fig. 3 is a perspective view of a pressing cap;

Fig. 4 is another perspective view of the pressure cap;

Fig. 5 is a sectional view of a pressure cap;

Figure 6 is a perspective view of the pressing head;

Figure 7 is a sectional view of the pressing head;

Figure 8 is a perspective view of the pressing core;

Fig. 9 is a sectional view of the press core;

Figure 10 is a perspective view of the runner;

Figure 11 is a perspective view of the penholder;

Fig. 12 is a perspective view of the locking state of the rotary pressing head locking pen;

Fig. 13 is a side sectional view of the locked state of the rotary pressing head locking pen;

Figure 14 is a perspective view of the unlocked state of the rotary pressing head locking pen

Fig. 15 is a side sectional view of the unlocked state of the rotary pressing head locking pen;

Fig. 16 is a perspective view of a locking pen with a rotary pressing head;

Fig. 17 is a partially enlarged view of the cooperation between the pressing head and the pressing core.

Wherein, the reference signs are explained as follows:

Shell 100

penholder 110

Pen clip 130

clip spring 131

Neck 120

Sheath 140

Locating slot 150

spring 200

Refill 300

Push part 500

runner 510

Wheel guide 511

Wheel boss 512

Press head 520

ID key 521

Push head boss 522

First circular rib 523

Press core 530

Push core guide groove 531

Push core boss 532

Second ring rib 533

Press cap 400

Locating Rib 410

Rail groove 420

One section of guide rail 421

Two-section groove of guide rail 422

Rail transition 423

Interference 423a

Signage Department 430

Rail Rib 440

Rail rib boss 441

detailed description

The detailed features and advantages of the present utility model are described in the specific embodiment below, and its content is enough to make those skilled in the art understand the technical content of the present utility model and implement accordingly, and according to this description, claims and accompanying drawings, those skilled in the art People can easily understand the related objects and advantages of the present invention.

For ease of understanding, the orientation terms such as "front" and "rear" used in this specification are based on the horizontal placement of the rotary press head locking pen, and the writing end is taken as the front end for reference.

Referring to Fig. 1 and Fig. 2, it is a specific embodiment of the present utility model. The pen with rotary press head lock includes a pen holder 110 arranged along the axis, a pen neck 120 , a refill 300 , a pen clip 130 , a runner 510 , a press head 520 , a spring 200 and other components. The rotary pressing head locking pen also includes a pressing cap 400, which is set to be rotatable relative to the housing 100 and the pressing cap 400, and is arranged to realize the locked state and unlocking of the locking pen by rotating the pressing head 520. In the locked state, the pressing head 520 is locked along the axial direction, and in the unlocked state, the pressing head 520 can reciprocate along the axial direction relative to the housing 100 .

5-10, in this specific embodiment, the inner wall of the pressure cap 400 includes guide rail ribs 440 linearly distributed along the axial direction, and the end surface of the guide rail rib 440 near the writing end is a guide rail rib boss 441, and the guide rail rib boss 441 441 has a certain slope. The runner 510 includes a runner guide groove 511 along the circumferential direction, and a protrusion is formed between two adjacent runner guide grooves 511, and one end surface of the protrusion along the axial direction is a runner boss 512, and the runner boss 512 Platform 512 has a certain slope. The front end of the pressing core 530 includes a pressing core boss 532 and a pressing core guide groove 531 along the circumferential direction. The guide rail rib 440 has the same number as the runner guide groove 511 and the push core guide groove 531, and the push core boss 532 cooperates with the runner boss 512. During use, pressing the pressing head 520 can transmit the force to the pressing core 530 through the pressing head 520, and then act on the runner 510. Under the action of external force, the runner 520 and the pressing cap 400 have two mating states. Press the pressing head 520 to push the pressing core 530, push the runner boss 512 through the pressing core boss 532, and the runner 510 moves forward along the axis under the restriction of the rail rib 440, and as the runner 510 continues to move forward, The wheel boss 512 has surpassed the guide rail rib boss 441 forward and disengaged from the guide rail rib 440. At this moment, the pressing movement is stopped (the pressing head 520 has been pressed to the end), and due to the pressure of the spring 200, the runner boss 512 protrudes along the guide rail rib. The slope of the table 441 moves, thereby rotating. At this time, the nib of the pen core 300 protrudes from the housing 100, and is in a state of being able to write; press the pressing head 520 again, and the pressing head 520 moves forward and pushes the pressing core 530 so as to push the rotation. Wheel 510 is also forward, and now stops pressing (pressing head 520 to the end), runner boss 512 separates from pen holder guide rail rib boss 441, and guide rail rib 440 slides in the runner guide groove 511. Under the restoring force of the spring 200, the runner 510 is compressed and retreats. At this time, the nib of the refill 300 is shrunk in the casing 100 .

Referring to Fig. 3-Fig. 5, the structure of the medium pressure cap 400 in a specific embodiment is shown. The pressing cap 400 is a cavity structure, so as to allow the pressing head 520 to pass through the cavity structure and move along the axis of the housing 100 . The inner wall of the pressure cap 400 contains a guide rail groove 420 in the shape of the letter "Z", and the guide rail groove 420 includes a guide rail first-stage groove 421 and a guide rail second-stage groove 422 extending axially and staggered in the circumferential direction, and a guide rail transition section 423 extending along the circumferential direction The groove 421 of the first section of the guide rail and the groove 422 of the second section of the guide rail connect end to end through the transition section 423 of the guide rail. Referring to Fig. 6, the outer wall of the pressing head 520 is provided with a pressing head boss 522, and the pressing head boss 522 can cooperate with the guide rail groove 420. The head 520 moves linearly along the axial direction. When the pressing head boss 522 slides in the guide rail transition section 423 , the pressing head 520 rotates around the pressing cap 400 relative to each other. Correspondingly, the pressing head 520 and the housing 100 also rotate relatively. When the pressing head boss 522 is in the groove 421 of the first section of the guide rail, referring to Fig. 12 and Fig. 13, the pressing head boss 522 will be blocked by the transition section 423 of the guide rail, that is, the pressing head 520 interferes with the pressing cap 400 in the axial direction, Therefore, the pressing head 520 cannot continue to move forward along the axis. In this state, the locking pen is in a locked state; rotate the pressing head 520 so that the pressing head boss 522 slides over the guide rail transition section 423 around the axis, see Fig. 14 and Fig. 15 , Since the second-section groove 422 of the guide rail extends forward along the axis, the pressing head boss 522 can slide back and forth along the second-section groove 422 of the guide rail. At this time, the pressing head 520 can move along the axis, and the locking pen is in an unlocked state.

Referring to FIG. 7 and FIG. 8 , in a specific embodiment, the inner wall of the pressing head 520 includes a first annular rib 523 protruding inward, and the outer wall of the pressing core 530 includes a second annular rib 533 protruding outward. The smallest inner diameter of the first annular rib 523 is smaller than the largest outer diameter 523 of the second annular rib. Referring to FIG. 17 , when the pressing head 520 and the pressing core 530 cooperate with each other, the first annular rib 523 is in front of the second annular rib 533 . It can be understood that the first annular rib 523 and the second annular rib 533 are in a cooperative relationship, which can provide a certain separation barrier, ensure that the pressing head 520 is not easily separated from the pressing core 530, and provide enough space for the pressing head 520 to rotate.

Referring to Fig. 3, in a specific embodiment, the guide rail transition section 423 is provided with an interference portion 423a, which has an interference fit with the pressing head protrusion 522, and can feedback when the pressing head boss 522 rotates the interference portion 423a. It gives consumers a feeling of feedback, and avoids the phenomenon that the pressing head boss 522 rotates over the interference part 423a to enter the unlocking state due to easy shaking, so that the state of the locking pen is more stable.

Referring to FIG. 3 and FIG. 11 , in a specific embodiment, the pressure cap 400 includes positioning ribs 410 , the inner wall of the housing includes a positioning groove 150 , and the positioning ribs 410 are inserted in the positioning groove 150 to limit the pressure cap 400 relative to the housing 100 rotation. When the pressing head 520 is rotated, the pressing cap 400 is prevented from rotating, which plays a positioning role. At the same time, it is easy to understand that when the pressing head 520 is rotated, the pressing core guide groove 531 and the runner guide groove 511 cooperate with the guide rail rib 440 on the inner wall of the pressing cap 400 , and the rotation of the pressing head 520 will not follow.

Referring to FIG. 1 , the casing 100 may be a detachable structure, including a pen neck 120 and a pen barrel 110 , which are arranged in sequence from front to back. In a specific embodiment, the two are connected by threads. The shell 100 is covered with a sheath 140. The sheath 140 is set at the position held by the user. The material can be thermoplastic elastomer (thermoplastic elastomer, namely TPE or /TPR), which is a kind of rubber that can be processed by plastic method. , with general plastic processing performance, the material is safe and non-toxic, good stability, soft texture, beautiful and comfortable, good resilience performance, and strong anti-wet and slippery performance. At the same time, the neck of the pen in the utility model can be processed into an ergonomic shape, so that it is more comfortable to hold, and the hand will not be tired when writing for a long time.

Specifically, the dismantling part can be set at any position of the rotary press to lock the pen housing, so as to facilitate disassembly and replacement of the pen refill 300 .

Specifically, the splitting part can be set at the joint of the pen neck 120 and the pen barrel 110 .

Specifically, the connection manner between the pen neck 120 and the pen barrel 110 may be screw connection.

Referring to Fig. 1, the rotary press head locking pen is also provided with a pen holder 130, and the pen holder 130 is provided with a rotating shaft near the tail of the pen holder 110, so that the pen holder can rotate around the rotating shaft at a certain angle, and the rotating press head can be rotated when not in use. The locking pen is clamped on thinner sheet objects such as clothes pockets and book pages by the pen holder 130, so that it is convenient to take at any time.

Specifically, a pen clip spring can be provided at the end of the pen clip 130 to make the clamping force stronger and easier to fix.

Referring to FIG. 3 and FIG. 10 , in a specific embodiment, in order to be more conspicuous, an identification portion 430 is provided on the outer wall of the pressing cap 400 . An identification key 521 is provided on the outer wall of the pressing head 520 . Preferably, the identification part is the setting in Fig. 3, that is, it includes two separate identifications, which respectively correspond to the unlocked state and the locked state of the rotary press head locking pen. When the locking pen is in the unlocked state or the locked state, the identification key 521 will be aligned with the corresponding identification in the identification part 430. Through the configuration of the identification, the user can know at a glance the state of the locking pen with the rotary press head.

The terms and expressions based here are for description only, and the present invention should not be limited to these terms and expressions. The use of these terms and expressions does not mean to exclude any equivalent features shown and described (or parts thereof), and it should be recognized that various modifications may also be included within the scope of the claims. Other modifications, changes and substitutions are also possible. Accordingly, the claims should be read to cover all such equivalents.

Similarly, it should be pointed out that although the utility model has been described with reference to the current specific embodiments, those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the utility model, without departing from Various equivalent changes or replacements can also be made under the spirit of the utility model. Therefore, as long as the changes and modifications to the above-mentioned embodiments are within the scope of the essential spirit of the utility model, they all fall within the claims of the utility model. within the scope of the book.

Claims (10)

1. A rotary knock locking pen comprising a housing (100), a spring (200), a cartridge (300), and a knock (500) arranged along an axis, wherein the housing (100) has a cavity for accommodating the spring (200), the cartridge (300), and the knock (500), and a writing end at one end of the cavity;

the pressing part (500) and the pen core (300) are sequentially arranged in the shell (100) from back to front, wherein the pen core (300) comprises a pen point, the pressing part (500) comprises a pressing head (520), and a user presses the pressing head (520) along the axial direction to drive the pen core (300) to switch between a protruding state and a retracting state, wherein the pen point protrudes out of the writing end in the protruding state; in the retracted state, the pen point retracts into the writing end;

the spring (200) is pressed between the pen core (300) and the shell (100), and in the extending state, the spring (200) is in a compressed state and provides restoring elasticity for the pressing part (500);

the pen is characterized in that the rotary press head locking pen further comprises a pressing cap (400), the pressing cap (400) is arranged on one side, away from the writing end, of the rotary press head locking pen, the pressing cap (400) is sleeved outside the press head (520), the press head (520) is arranged to be capable of rotating in a limited range relative to the shell (100) and the pressing cap (400), and therefore the locking pen is switched between a locking state and an unlocking state:

when the press head (520) rotates to a first rotation position relative to the press cap (400), the press head (520) and the press cap (400) interfere in the axial direction, the press cap (400) prevents the press head (520) from moving relative to the housing (100) along the axial direction, the press head (520) cannot be pressed, and the locking pen is in the locking state;

when the press head (520) rotates to a second rotation position relative to the press cap (400), the press head (520) and the press cap (400) are disengaged in the axial direction, the press cap (400) allows the press head (520) to move relative to the housing (100) along the axial direction, the press head (520) can be pressed without obstruction, and the locking pen is in the unlocking state.

2. The rotary knock locking pen according to claim 1, wherein the knock cap (400) has a cavity structure, and the inner wall of the cavity structure is provided with a guide groove (420), the guide groove (420) has a shape of letter "Z" and comprises a guide one-section groove (421) and a guide two-section groove (422) which extend in the axial direction and are staggered in the circumferential direction, and a guide transition section (423) which extends in the circumferential direction, the guide one-section groove (421) and the guide two-section groove (422) are connected end to end via the guide transition section (423), the knock head (520) comprises a knock head boss (522), the knock head boss (522) is engaged with the guide groove (420), and when the knock head (520) is at the first rotation position relative to the knock cap (400), the knock head boss (522) is in the guide one-section groove (421), the knock head (520) is intercepted by the guide transition section (423) and cannot be pressed in the axial direction; when the press head (520) is rotated to enable the press head (520) to be in the second rotating position relative to the press cap (400), the press head boss (522) is screwed to the guide rail section groove (422) along the guide rail transition section (423), the press head boss (522) is matched with the guide rail section groove (422), and the press head (520) can be pressed along the axial direction.

3. The rotary press locking pen according to claim 2, wherein the guide rail transition section (423) comprises an interference portion (423 a), and the interference portion (423 a) is in interference fit with the press boss (522).

4. The locking pen of claim 2, wherein the pressing part (500) further comprises a rotating wheel (510) and a pressing core (530), the rotating wheel (510), the pressing core (530) and the pressing head (520) are mutually matched and are sequentially arranged in the housing (100) from front to back, the rotating wheel (510) can move linearly along the axis direction and can also rotate around the axis, and the pressing core (530) can only move linearly along the axis direction.

5. The rotary knock locking pen according to claim 4, wherein the rotary wheel (510) comprises a rotary wheel guide groove (511) and a rotary wheel boss (512); the core pressing (530) comprises a core pressing guide groove (531) and a core pressing boss (532); the inner wall of the pressing cap (400) comprises a guide rail rib (440), and the rotary wheel boss (512) and the pressing core boss (532) are matched with the guide rail rib (440) to realize pressing.

6. The pen as claimed in claim 4, wherein the snap-on button (520) is disposed on the snap-on core (530), the inner wall of the snap-on button (520) comprises a first annular rib (523) protruding inward, the outer wall of the snap-on core (530) comprises a second annular rib (533) protruding outward, the minimum inner diameter of the first annular rib (523) is smaller than the maximum outer diameter of the second annular rib (533), and the first annular rib (523) and the second annular rib (533) are adapted to cooperate with each other to prevent the snap-on button (520) from separating from the snap-on core (530).

7. The rotary press locking pen according to claim 2, wherein the inner wall of the rear portion of the housing (100) comprises a positioning groove (150), the outer wall of the press cap (400) comprises a positioning rib (410), and the positioning groove (150) and the positioning rib (410) are engaged with each other to restrict the housing (100) and the press cap (400) from moving relative to each other.

8. The lock pen of claim 2, wherein the outer wall of the cap (400) comprises an identification portion (430), and the thumb (520) comprises an identification key (521), and the identification keys (521) are respectively aligned with corresponding portions of the identification portion (430) in the unlocked state and the locked state of the lock pen to indicate the current state of the lock pen.

9. The rotary press locking pen according to claim 1, wherein the housing (100) comprises a pen clip (130) and a clip spring (131) at the rear portion of the housing (100), the pen clip (130) at the rear portion being rotatably connected to the outer wall of the housing (100), the clip spring (131) being disposed between the pen clip (130) at the rear portion and the housing (100).

10. The locking pen of claim 1, wherein the housing (100) comprises a sheath (140), the sheath (140) is disposed outside the housing (100) corresponding to a position where a user holds the sheath during writing, and the sheath (140) is made of an elastic material.

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