Pressing type valve pen

Abstract

The utility model relates to a push type valve pen which comprises a pen holder, a pen mouth, a refill and a pressing assembly, the first end of the pen holder is connected with the pen mouth, the first end of an ink storage cavity of the pen holder is communicated with a containing cavity of the pen mouth through a valve body, the pressing assembly is arranged at the second end of the pen holder, and a soft rubber pressing sleeve of the pressing assembly seals the second end of the ink storage cavity. The first side of the soft rubber pressing sleeve is sleeved with a pressing block, the second side of the soft rubber pressing sleeve is connected with the second end of a movable rod movably arranged in the ink storage cavity, the first end of the movable rod is connected with the valve body, and a plurality of guide wings are arranged on the movable rod in a matched mode. The guide wing can ensure that the movable rod smoothly moves along a preset track in the ink storage cavity, the condition of deviation or blocking can be avoided, the smoothness and accuracy of the operation of moving the movable rod to open the valve body are good, ink can be stably and smoothly discharged, and the pressing type valve pen has a good ink adding effect.

Description

Technical Field

[0001] The utility model relates to the technical field of writing stationery, in particular to a press-type valve pen. Background Art

[0002] As a writing tool, a pen is the main tool for writing and painting in people's daily life and work, playing an important role. According to different usage requirements and usage environments of people, there are various types of pens, such as watercolor pens, paint pens, marker pens, and whiteboard pens.

[0003] A valve pen is a pen that can store a certain amount of ink and controls the release of ink through a valve. The ink storage cylinder is connected to the pen tip through a valve, and the valve is usually controlled by a spring. When the pressing member is pressed to drive the movable rod to move forward, the valve opens, and the ink flows from the ink storage cylinder into the pen tip; when the pressing member is not pressed, the valve closes under the action of the spring, and the movable rod returns to its original position, which can prevent ink leakage. The valve pen can control the ink flow according to needs when writing or painting.

[0004] When the existing valve pen presses the pressing member to drive the movable rod to move forward and open the valve, the movable rod is easily shaken or distorted under force, resulting in deviation or jamming, and the valve cannot be opened well, affecting the ink filling effect of the valve pen. Summary of the Utility Model

[0005] Based on this, it is necessary to provide a press-type valve pen.

[0006] The technical solution for the utility model to solve the above technical problems is as follows: A press-type valve pen, comprising:

[0007] A pen barrel, in which an ink storage cavity is opened.

[0008] A pen tip, which is connected to the first end of the pen barrel. An accommodation cavity is opened inside the pen tip. The first end of the accommodation cavity is communicated with the first end of the ink storage cavity, and a valve body is arranged inside the accommodation cavity.

[0009] A pen core, which is arranged inside the accommodation cavity. The first end of the pen core protrudes to the second end of the accommodation cavity, and the second end of the pen core is connected to the first end of the valve body.

[0010] Pressing assembly, the pressing assembly includes: a soft rubber pressing sleeve, a movable rod and a pressing block. The soft rubber pressing sleeve is arranged inside the second end of the ink storage chamber, and the soft rubber pressing sleeve closes the second end of the ink storage chamber. The movable rod is movably arranged inside the ink storage chamber. The first end of the movable rod is connected to the second end of the valve body. The second end of the movable rod is connected to the first side of the soft rubber pressing sleeve. A plurality of guiding wings are arranged on the movable rod. The first side of each guiding wing is connected to the movable rod, and the second side of each guiding wing is in movable abutment with the side wall of the ink storage chamber. The pressing block is movably arranged on the second end of the pen barrel, and the pressing block is connected to the second side of the soft rubber pressing sleeve.

[0011] In one embodiment, the valve body includes: a valve seat, a valve core and an elastic member. The valve seat is arranged inside the accommodating chamber. The second end of the pen core is connected to the valve seat. A conducting block is arranged inside the valve seat. A through hole is formed on the conducting block. The ink storage chamber communicates with the accommodating chamber through the through hole. The valve core is movably arranged inside the through hole. The first end of the valve core is connected to the first end of the movable rod. The second end of the valve core is in movable abutment with the side wall of the through hole. The first end of the elastic member is connected to the conducting block, and the second end of the elastic member is connected to the movable rod.

[0012] In one embodiment, the valve body further includes: a valve cover. The valve cover is arranged inside the valve seat. A plurality of conducting grooves are formed on the outer surface of the valve cover. The ink storage chamber communicates with the accommodating chamber in sequence through the through hole and each of the conducting grooves. The second end of the pen core is connected to the first end of the valve cover. A limiting chamber is formed on the second end of the valve cover. At least part of the second end of the valve core is movably arranged inside the limiting chamber.

[0013] In one embodiment, the elastic member is a spring.

[0014] In one embodiment, the press-type valve pen further includes: a stirring tube. The stirring tube is movably arranged inside the ink storage chamber, and the stirring tube is sleeved on the movable rod.

[0015] In one embodiment, a plurality of reinforcing ribs are arranged on the movable rod, and each of the reinforcing ribs is evenly distributed on the outer surface of the movable rod.

[0016] In one embodiment, a connecting portion is arranged on the first end of the movable rod. A connecting hole is formed on the connecting portion. The first end of the valve core is fitted inside the connecting hole, and the second end of the elastic member is connected to the connecting portion.

[0017] In one embodiment, the press-type valve pen further includes: a pen cap. The pen cap is sleeved on the pen tip.

[0018] In one embodiment, a color marking block is provided on the pen cap.

[0019] In one embodiment, a holding block is provided on the pen cap.

[0020] The beneficial effects of the present utility model are as follows: A push-button valve pen provided by the present utility model connects the first end of the pen barrel with the pen tip. The first end of the ink storage chamber of the pen barrel is communicated with the accommodation chamber of the pen tip through a valve body. A pressing assembly is provided on the second end of the pen barrel. The soft rubber pressing sleeve of the pressing assembly closes the second end of the ink storage chamber. A pressing block is sleeved on the first side of the soft rubber pressing sleeve. The second side of the soft rubber pressing sleeve is connected to the second end of a movable rod movably arranged in the ink storage chamber. The first end of the movable rod is connected to the valve body. With a plurality of guiding wings provided on the movable rod, when pressing the pressing block to drive the movable rod to move and open the valve body, the guiding wings can ensure that the movable rod smoothly moves along a predetermined trajectory in the ink storage chamber, avoiding deviation or jamming. The operation of moving the movable rod to open the valve body has good smoothness and accuracy, can ensure stable and smooth ink output, and enables the push-button valve pen to have a good ink filling effect. Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts.

[0022] Figure 1 It is a schematic structural diagram of a push-button valve pen according to an embodiment;

[0023] Figure 2 It is a three-dimensional exploded structural diagram of a push-button valve pen according to an embodiment;

[0024] Figure 3 It is a three-dimensional exploded structural diagram of a push-button valve pen according to an embodiment;

[0025] Figure 4 It is a schematic cross-sectional structure diagram of a push-button valve pen according to an embodiment;

[0026] Figure 5 It is a schematic cross-sectional structure diagram of a valve body according to an embodiment.

[0027] In the attached drawings, 10 is a push-type valve pen; 100 is a pen barrel; 110 is an ink storage chamber; 200 is a pressing assembly; 210 is a soft rubber pressing sleeve; 220 is a movable rod; 221 is a guiding wing; 222 is a reinforcing rib; 223 is a connecting part; 224 is a connecting hole; 230 is a pressing block; 300 is a pen tip; 310 is a receiving chamber; 400 is a refill; 500 is a valve body; 510 is a valve seat; 511 is a conducting block; 512 is a through hole; 520 is a valve core; 530 is an elastic member; 540 is a valve cover; 541 is a conducting groove; 600 is a stirring tube; 700 is a pen cap; 710 is a supporting block. Detailed implementation manners

[0028] It should be noted that, without conflict, the embodiments and features in the embodiments of the present invention may be combined with each other. The following will further describe the technical solutions of the present invention with reference to the drawings of the embodiments of the present invention. The present invention is not limited to the following specific implementation manners.

[0029] It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc. indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be understood as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0030] In one embodiment, as Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, a push-button valve pen 10 includes: a pen barrel 100, a pen tip 300, a refill 400, and a push-button assembly 200. An ink storage chamber 110 is formed inside the pen barrel 100. The pen tip 300 is connected to the first end of the pen barrel 100. An accommodation chamber 310 is formed inside the pen tip 300. The first end of the accommodation chamber 310 is in communication with the first end of the ink storage chamber 110. A valve body 500 is disposed inside the accommodation chamber 310. The refill 400 is disposed inside the accommodation chamber 310. The first end of the refill 400 protrudes to the second end of the accommodation chamber 310. The second end of the refill 400 is connected to the first end of the valve body 500. The push-button assembly 200 includes: a soft rubber push sleeve 210, a movable rod 220, and a push block 230. The soft rubber push sleeve 210 is disposed inside the second end of the ink storage chamber 110, and the soft rubber push sleeve 210 closes the second end of the ink storage chamber 110. The movable rod 220 is movably disposed inside the ink storage chamber 110. The first end of the movable rod 220 is connected to the second end of the valve body 500. The second end of the movable rod 220 is connected to the first side of the soft rubber push sleeve 210. A plurality of guiding wings 221 are disposed on the movable rod 220. The first side of each guiding wing 221 is connected to the movable rod 220, and the second side of each guiding wing 221 is in movable abutment with the side wall of the ink storage chamber 110. The push block 230 is movably disposed on the second end of the pen barrel 100. The push block 230 is connected to the second side of the soft rubber push sleeve 210.

[0031] In this embodiment, the push-button valve pen 10 is a tail-push-button valve pen 10. The first end of the pen barrel 100 is connected to the pen tip 300. The first end of the ink storage chamber 110 of the pen barrel 100 is in communication with the accommodation chamber 310 of the pen tip 300 through the valve body 500, that is, the ink in the ink storage chamber 110 can enter the accommodation chamber 310 through the valve body 500 and flow to the refill 400. The push-button assembly 200 is disposed on the second end of the pen barrel 100. The soft rubber push sleeve 210 of the push-button assembly 200 closes the second end of the ink storage chamber 110. A push block 230 is sleeved on the first side of the soft rubber push sleeve 210. The second side of the soft rubber push sleeve 210 is connected to the second end of the movable rod 220 movably disposed inside the ink storage chamber 110. The first end of the movable rod 220 is connected to the valve body 500.

[0032] In this embodiment, when the pressing block 230 is pressed to drive the movable rod 220 to move and open the valve body 500, since a plurality of guiding wings 221 are provided on the movable rod 220, the outer surfaces of the evenly distributed guiding wings 221 are respectively in movable contact with the side wall of the ink storage cavity 110, playing a role of support and limit, and can well limit the movement track of the movable rod 220 inside the pen barrel 100, that is, the guiding wings 221 can ensure that the movable rod 220 smoothly moves along a predetermined track in the ink storage cavity 110, and can avoid the situation of deviation or jamming, making the operation of moving the movable rod 220 to open the valve body 500 have better smoothness and accuracy, ensuring stable and smooth ink output, and making the pressing valve pen 10 have a better ink filling effect.

[0033] In one embodiment, as Figure 2 、 Figure 3 、 Figure 4 and Figure 5 shown, the valve body 500 includes: a valve seat 510, a valve core 520 and an elastic member 530. The valve seat 510 is disposed in the accommodation cavity 310. The second end of the pen core 400 is connected to the valve seat 510. A conduction block 511 is disposed in the valve seat 510. A through hole 512 is formed in the conduction block 511. The ink storage cavity 110 communicates with the accommodation cavity 310 through the through hole 512. The valve core 520 is movably disposed in the through hole 512. The first end of the valve core 520 is connected to the first end of the movable rod 220. The second end of the valve core 520 is in movable contact with the side wall of the through hole 512. The first end of the elastic member 530 is connected to the conduction block 511. The second end of the elastic member 530 is connected to the movable rod 220. Specifically, the outer surface of the valve seat 510 is connected to the side wall of the accommodation cavity 310. The conduction block 511 is located in the middle of the valve seat 510. The width of the second end of the valve core 520 is greater than the width of the first end of the valve core 520. The width of the second end of the valve core 520 is adapted to the aperture of the through hole 512. The elastic member 530 is a spring. In the initial state, under the action of the spring, the second end of the valve core 520 abuts against the side wall of the through hole 512, and can close the through hole 512. When the pressing block 230 is pressed to drive the movable rod 220 to move forward, the second end of the valve core 520 is separated from the side wall of the through hole 512, that is, the valve body 500 is opened, and the ink in the ink storage cavity 110 can enter the accommodation cavity 310 through the through hole 512 and flow and seep onto the pen core 400 to complete the ink filling of the pressing valve pen 10. At this time, the spring is in a compressed state. When the force applied to the pressing block 230 is withdrawn, under the action of the spring, the movable rod 220 resets, and can drive the second end of the valve core 520 to abut against the side wall of the through hole 512 again, that is, the valve body 500 is closed, and the ink in the ink storage cavity 110 is re-closed.

[0034] In one embodiment, as Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, the valve body 500 further includes: a valve cover 540, the valve cover 540 is disposed within the valve seat 510, a plurality of conduction grooves 541 are formed on an outer surface of the valve cover 540, the ink storage chamber 110 is sequentially communicated with the accommodation chamber 310 through the through hole 512 and each of the conduction grooves 541, a second end of the refill 400 is connected to a first end of the valve cover 540, a limiting chamber is formed on a second end of the valve cover 540, and at least a part of a second end of the valve core 520 is movably disposed within the limiting chamber. Specifically, by providing the valve cover 540, not only can the refill 400 be stably mounted on the valve body 500, but also the moving distance of the valve core 520 can be limited, so that the conduction degree of the through hole 512 can be limited, and a stable ink output amount can be maintained. When the pressing block 230 is pressed to drive the movable rod 220 to move forward, a second end of the valve core 520 is separated from a side wall of the through hole 512, and ink in the ink storage chamber 110 can sequentially enter the accommodation chamber 310 through the through hole 512 and the conduction grooves 541 on the valve cover 540, and flow and seep onto the refill 400.

[0035] In one embodiment, as Figure 2 , Figure 3 and Figure 4 shown, the pressing valve pen 10 further includes: a stirring tube 600, the stirring tube 600 is movably disposed within the ink storage chamber 110, and the stirring tube 600 is sleeved on the movable rod 220. Specifically, by movably disposing the stirring tube 600 within the ink storage chamber 110, the ink within the ink storage chamber 110 can be stirred, the fluidity of the ink within the ink storage chamber 110 can be improved, and the ink can better enter the accommodation chamber 310 through the through hole 512 and the conduction grooves 541, and flow and seep onto the refill 400. At the same time, the stirring tube 600 is sleeved on the movable rod 220, and can also play a guiding role in the movement of the movable rod 220, so that the movable rod 220 can better move smoothly along a predetermined trajectory within the ink storage chamber 110.

[0036] In one embodiment, as Figure 2 and Figure 3 shown, a plurality of reinforcing ribs 222 are provided on the movable rod 220, and each of the reinforcing ribs 222 is uniformly distributed on an outer surface of the movable rod 220. Specifically, the number of the reinforcing ribs 222 is set to four, and the four reinforcing ribs 222 are uniformly and spacedly distributed on the outer surface of the movable rod 220, which can enhance the mechanical strength of the movable rod 220 and can prevent the situation that the movable rod 220 shakes or twists under force.

[0037] In one embodiment, as Figure 2 and Figure 3 shown, a connecting portion 223 is provided on the first end of the movable rod 220, a connecting hole 224 is formed in the connecting portion 223, the first end of the valve core 520 is fitted in the connecting hole 224, and the second end of the elastic member 530 is connected to the connecting portion 223. Specifically, by fitting the first end of the valve core 520 in the connecting hole 224 on the connecting portion 223 of the movable rod 220, the first end of the movable rod 220 can be connected to the valve core 520.

[0038] In one embodiment, as Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, the push-button valve pen 10 further includes: a pen cap 700, and the pen cap 700 is sleeved on the pen tip 300. Specifically, by sleeving the pen cap 700 on the pen tip 300, a relatively closed internal environment can be formed, which can protect the pen core 400, reduce air flow, slow down the evaporation rate of the ink, and thus extend the service life of the push-button valve pen 10.

[0039] In one embodiment, a color marking block is provided on the pen cap 700. Specifically, by providing the color marking block on the pen cap 700, it can play a role in marking and identification, enabling the user to more intuitively identify the color of the push-button valve pen 10 and facilitating the user to select the push-button valve pen 10 of the desired color.

[0040] In one embodiment, as Figure 2 and Figure 3 shown, a supporting block 710 is provided on the pen cap 700. Specifically, by providing the supporting block 710 on the pen cap 700, the contact area between the user's hand and the pen cap 700 can be increased, with a relatively large frictional force, facilitating the user to pull out the pen cap 700 from the push-button valve pen 10.

[0041] Compared with the prior art, the present utility model has at least the following advantages:

[0042] A pressing valve pen provided by the utility model is connected with a pen tip through the first end of a pen barrel. The first end of the ink storage cavity of the pen barrel is communicated with the accommodation cavity of the pen tip through a valve body. A pressing assembly is arranged on the second end of the pen barrel. The soft rubber pressing sleeve of the pressing assembly closes the second end of the ink storage cavity. A pressing block is sleeved on the first side of the soft rubber pressing sleeve. The second side of the soft rubber pressing sleeve is connected with the second end of a movable rod movably arranged in the ink storage cavity. The first end of the movable rod is connected with the valve body. A plurality of guiding wings are arranged on the movable rod. When the pressing block is pressed to drive the movable rod to move and open the valve body, the guiding wings can ensure that the movable rod smoothly moves along a predetermined track in the ink storage cavity, can avoid deviation or jamming, enables the operation of moving the movable rod to open the valve body to have better smoothness and accuracy, can ensure stable and smooth ink output, and enables the pressing valve pen to have a better ink filling effect.

[0043] Obviously, the above-mentioned embodiments of the present utility model are merely examples for clearly explaining the present utility model, rather than limitations on the implementation manners of the present utility model. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the claims of the present utility model.

Claims

1. A push-type valve pen, characterized in that: include: A pen holder, wherein an ink storage cavity is provided inside the pen holder; A pen tip, the pen tip is connected to the first end of the pen shaft, a receiving cavity is provided inside the pen tip, the first end of the receiving cavity is communicated with the first end of the ink storage cavity, and a valve body is provided in the receiving cavity; A pen core, wherein the pen core is arranged in the accommodating cavity, a first end of the pen core protrudes to the second end of the accommodating cavity, and the second end of the pen core is connected to the first end of the valve body; A pressing assembly, the pressing assembly includes: a soft rubber pressing sleeve, a movable rod and a pressing block, the soft rubber pressing sleeve is arranged in the second end of the ink storage chamber, and the soft rubber pressing sleeve is arranged to close the second end of the ink storage chamber, the movable rod is movably arranged in the ink storage chamber, the first end of the movable rod is connected to the second end of the valve body, the second end of the movable rod is connected to the first side of the soft rubber pressing sleeve, a plurality of guide wings are arranged on the movable rod, a first side of each guide wing is connected to the movable rod, and a second side of each guide wing is movably abutted against the side wall of the ink storage chamber, the pressing block is movably arranged on the second end of the pen body, and the pressing block is connected to the second side of the soft rubber pressing sleeve.

2. The push-type valve pen according to claim 1, characterized in that: The valve body comprises: a valve seat, a valve core and an elastic member, the valve seat is arranged in the accommodating cavity, the second end of the pen core is connected to the valve seat, a conducting block is arranged in the valve seat, a conducting hole is opened on the conducting block, the ink storage cavity is connected with the accommodating cavity through the conducting hole, the valve core is movably arranged in the conducting hole, the first end of the valve core is connected to the first end of the movable rod, the second end of the valve core is movably abutted against the side wall of the conducting hole, the first end of the elastic member is connected to the conducting block, and the second end of the elastic member is connected to the movable rod.

3. The push-type valve pen according to claim 2, characterized in that: The valve body further includes: a valve cover, which is arranged in the valve seat, and a plurality of conducting grooves are provided on the outer surface of the valve cover, the ink storage cavity is connected with the accommodating cavity through the conducting holes and the conducting grooves in sequence, the second end of the pen core is connected with the first end of the valve cover, a limiting cavity is provided on the second end of the valve cover, and the second end of the valve core is at least partially movably arranged in the limiting cavity.

4. The push-type valve pen according to claim 3, characterized in that: The elastic member is a spring.

5. The push-type valve pen according to claim 1, characterized in that: Also includes: A stirring tube is movably arranged in the ink storage cavity, and the stirring tube is sleeved on the movable rod.

6. The push-type valve pen according to claim 1, characterized in that: The movable rod is provided with a plurality of reinforcing ribs, and the reinforcing ribs are evenly distributed on the outer surface of the movable rod.

7. The push-type valve pen according to claim 2, characterized in that: A connecting portion is arranged on the first end of the movable rod, a connecting hole is opened on the connecting portion, the first end of the valve core is embedded in the connecting hole, and the second end of the elastic member is connected to the connecting portion.

8. The push-type valve pen according to claim 1, characterized in that: Also includes: A pen cap is sleeved on the pen mouth.

9. The push-type valve pen according to claim 8, characterized in that: A color mark block is arranged on the pen cap.

10. The push-type valve pen according to claim 8, characterized in that: A holding block is arranged on the pen cap.

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