Low-gravity-center pressing pen with strong clamping force
By introducing a spring clip mechanism and a toothed structure into the low-center press pen, the problem of insufficient elasticity in existing pen clips is solved, achieving strong clamping force and stable clamping effect, while improving the user experience and appearance design.
Patent Information
- Application Number
- CN202520224820.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2035-02-13
AI Technical Summary
The existing low-center-press pen clip structure has limited elasticity, which limits the thickness of the object it can hold and makes it easy to loosen or fall off. After prolonged use, it is prone to deformation or breakage.
It adopts a spring clip mechanism, which includes a stepped press handle and a clip spring. The stepped press handle design enhances the clamping force, and the toothed structure of the press head, press core, rotating wheel and the core spring transmits the pressing action to realize the extension and retraction of the core, thus enhancing the clamping effect.
The pen clip has improved gripping force to prevent loosening and falling off, enhanced the pressing feel, and has an overall beautiful appearance with rich visual layers.
Smart Images
Figure CN223618491U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of writing instruments technology, specifically to a low-center-of-gravity push-button pen with strong clamping force. Background Technology
[0002] Currently, most low-center click pens on the market use a pen cap clip structure. When clamping other items, such as books, papers, or clothing pockets, they rely on the elasticity of the pen cap clip itself to hold them. However, the elasticity of the pen cap clip itself is very limited. Not only does it greatly restrict the thickness of the items it can hold, but it is also prone to loosening and falling off. Furthermore, after a period of use, it is very easy to deform or break. Utility Model Content
[0003] The purpose of this invention is to provide a low-center-of-gravity push-button pen with strong clamping force to solve the technical problems existing in the background art.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0005] A low-center-of-gravity, press-operated pen with strong clamping force includes a pen barrel, a pen refill, and a pressing mechanism. The pen refill is disposed inside the pen barrel. The pressing mechanism is disposed between the pen barrel and the pen refill and is used to drive the pen refill to extend out of or retract into the pen barrel. It also includes a spring-loaded pen clip mechanism disposed on one side of the upper end of the pen barrel. The spring-loaded pen clip mechanism includes a stepped pressing handle and a pen clip spring. The stepped pressing handle is hinged to a pen clip connecting seat disposed on one side of the upper end of the pen barrel. The pen clip spring is movably sleeved on a pen clip spring positioning seat disposed on one side of the upper end of the pen barrel, with one end movably abutting against the pen barrel and the other end movably abutting against the stepped pressing handle.
[0006] Furthermore, the stepped pressing handle includes at least one step, and the at least one step is disposed at the upper end of the stepped pressing handle.
[0007] Furthermore, the upper end of the stepped pressing handle is hinged to the pen clip connecting seat via a pin, and elastically contacts the outer wall of the pen barrel via a pen clip spring; the lower end of the stepped pressing handle is movably abutting against the outer wall of the pen barrel.
[0008] Furthermore, the pressing mechanism includes a pusher head, a pusher core, a rotating wheel, and a pen refill spring. The pusher head is movably sleeved on the upper part of the pusher core, with one end passing through the pen barrel and the other end passing through the pen barrel. The pusher core is movably sleeved on the upper part of the rotating wheel, with one end slidingly engaging with the pusher head and the other end abutting against the rotating wheel. The lower part of the rotating wheel abuts against the tail end of the pen refill. The pen refill spring is movably sleeved on the front end of the pen refill.
[0009] Furthermore, the end of the press that abuts against the rotating wheel has a plurality of first tooth-like structures, and the position where the rotating wheel abuts against the press has a plurality of second tooth-like structures. The plurality of first tooth-like structures and the plurality of second tooth-like structures cooperate with each other to transmit the pressing action of the press head, so as to control the writing end of the pen tip to be pushed out and retracted into the pen barrel.
[0010] Furthermore, the pen barrel has multiple slide rails inside for sliding engagement with the press and the rotating wheel. Between each pair of adjacent first toothed structures, there is a first slide rail for sliding engagement with the slide rail, and between each pair of adjacent second toothed structures, there is a second slide rail for sliding engagement with the slide rail. The number of slide rails, first slide rails, and second slide rails is the same.
[0011] Furthermore, the lower part of each slide rail is an inclined structure, and the upper part of each second tooth structure has an inclined groove that slides and engages with the inclined structure of the lower part of the slide rail.
[0012] Furthermore, the pen barrel includes a first sleeve, a second sleeve, and a third sleeve. The first sleeve is fixedly inserted through the front end of the second sleeve, and the third sleeve is threaded onto the rear end of the second sleeve. The pen core spring is located inside the first sleeve, and the push button, push core, and rotating wheel are all located inside the third sleeve. The spring pen clip mechanism is located outside the third sleeve.
[0013] Furthermore, the second sleeve is fitted with a rubber sheath on its exterior.
[0014] Furthermore, the first sleeve is made of metal, while the second and third sleeves are both made of plastic.
[0015] Compared with the prior art, the advantages of this utility model are as follows: the pen clip has a strong clamping force and is not easily deformed or broken; the tactile sensation is strong when pressed; the overall appearance is beautiful and the visual layers are rich. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in this embodiment, the accompanying drawings used in the description of the embodiment will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is an assembly structure diagram of an embodiment of the present utility model;
[0018] Figure 2 yes Figure 1 Enlarged view of point A in the middle;
[0019] Figure 3This is an exploded structural diagram of an embodiment of the present invention;
[0020] Figure 4 yes Figure 3 Enlarged view at point B in the middle;
[0021] Figure 5 This is a cross-sectional view of an embodiment of the present invention;
[0022] Figure 6 yes Figure 5 Enlarged view at point C;
[0023] Figure 7 yes Figure 5 Enlarged view at point D;
[0024] Figure 8 This is a cross-sectional view of the pen barrel in one embodiment of the present invention;
[0025] Figure 9 yes Figure 8 Enlarged view at point E in the middle;
[0026] Figure 10 yes Figure 8 Enlarged view at point F;
[0027] Figure 11 This is a schematic diagram of the snap-fit mechanism;
[0028] Figure 12 This is a schematic diagram of the rotor structure;
[0029] Figure 13 This is a schematic diagram of the assembly of the press core and the rotating wheel;
[0030] Figure 14 This is a partial schematic diagram of the pressing mechanism when the pen retracts into the pen barrel;
[0031] Figure 15 This is a schematic diagram of the wheel disengaging from the slide rail;
[0032] Figure 16 This is a partial schematic diagram of the pressing mechanism when the pen refill is pushed out of the pen barrel;
[0033] Explanation of reference numerals in the attached diagram: 1. Pen barrel; 2. Pen refill; 3. Stepped press handle; 3a. Step; 4. Pen clip spring; 5. Pen clip connector; 6. Pen clip spring positioning seat; 7. Pin; 8. Press head; 9. Press core; 9a. First toothed structure; 9b. First slide rail; 10. Rotating wheel; 10a. Second toothed structure; 10b. Second slide rail; 10c. Angled slide groove; 11. Pen refill spring; 12. Slide rail; 13. Rubber sleeve. Detailed Implementation
[0034] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.
[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0036] The present invention will be further described below with reference to the accompanying drawings:
[0037] Please see Figures 1 to 10 This invention relates to an embodiment of a low-center-of-gravity, press-action pen with strong clamping force, comprising a pen barrel 1, a pen refill 2, a pressing mechanism, and a spring-loaded clip mechanism. The pen refill 2 is disposed inside the pen barrel 1. The pressing mechanism is located between the pen barrel 1 and the pen refill 2, used to drive the writing end of the pen refill 2 to extend out of or retract into the pen barrel 1. The spring-loaded clip mechanism is located on one side of the upper end of the pen barrel 1, used to clamp books, papers, clothing pockets, or other items. The pen barrel 1 has a hollow tubular structure, with an opening at its upper end allowing the pressing mechanism to extend and retract vertically, and an opening at its lower end allowing the writing end of the pen refill 2 to extend out.
[0038] Understandably, the pen barrel 1 can be in any shape other than tubular, and can be designed according to actual needs.
[0039] Please continue reading. Figures 1 to 6 In this embodiment, the spring-loaded pen clip mechanism includes a stepped pressing handle 3 and a pen clip spring 4. The stepped pressing handle 3 is hinged to a pen clip connecting seat 5 located on the upper side of the pen barrel 1. The pen clip spring 4 is movably sleeved on a pen clip spring positioning seat 6 located on the upper side of the pen barrel 1, with one end movably abutting against the pen barrel 1 and the other end movably abutting against the stepped pressing handle 3. In use, pressing the upper end of the stepped pressing handle 3 opens the lower end of the stepped pressing handle 3, thereby opening the spring-loaded pen clip mechanism. When the upper end of the stepped pressing handle 3 is released, the pen clip spring 4 resets the upper end of the stepped pressing handle 3 quickly, and simultaneously closes the lower end of the stepped pressing handle 3 quickly, thereby automatically closing the spring-loaded pen clip mechanism.
[0040] Specifically, in this embodiment, the stepped press handle 3 includes at least one step 3a, and the at least one step 3a is disposed at the upper end of the stepped press handle 3. The design of this step 3a can increase the tactile feedback when pressing the spring clip mechanism, and at the same time enhance the overall sense of layering when pressing the pen.
[0041] It is understood that the stepped press handle 3 may contain one or more steps 3a, which can be designed according to actual needs. The illustration shows one embodiment of the stepped press handle 3, which contains three steps 3a.
[0042] Specifically, in this embodiment, the upper end of the stepped press handle 3 is hinged to the pen clip connecting seat 5 via a pin 7, and elastically contacts the outer wall of the pen barrel 1 via a pen clip spring 4. The lower end of the stepped press handle 3 movably abuts against the outer wall of the pen barrel 1. Connecting the stepped press handle 3 and the pen clip connecting seat 5 via the pin 7 facilitates the installation and removal of the stepped press handle 3, and also allows the stepped press handle 3 to rotate around the pen clip connecting seat 5 with the pin 7 as the rotation axis, thereby achieving opening and closing. The pen clip spring 4 ensures that sufficient clamping force is maintained between the stepped press handle 3 and the pen barrel 1, making it easy to clamp books, papers, clothing pockets, etc., and preventing loosening or slippage.
[0043] Please continue reading. Figure 3 , Figures 5 to 16 In this embodiment, the pressing mechanism includes a pusher head 8, a pusher core 9, a rotating wheel 10, and a pen refill spring 11. The pusher head 8 is movably sleeved on the upper part of the pusher core 9, with one end passing through the pen barrel 1 and the other end passing through the pen barrel 1. The pusher core 9 is movably sleeved on the upper part of the rotating wheel 10, with one end slidingly engaging with the pusher head 8 and the other end abutting against the rotating wheel 10. The lower part of the rotating wheel 10 abuts against the tail end of the pen refill 2. The pen refill spring 11 is movably sleeved on the front end of the pen refill 2 and is always in a compressed state inside the pen barrel 1.
[0044] Furthermore, the end of the press tip 9 that abuts against the rotating wheel 10 has multiple first tooth-like structures 9a, and the position where the rotating wheel 10 abuts against the press tip 9 has multiple second tooth-like structures 10a. These multiple first tooth-like structures 9a and multiple second tooth-like structures 10a cooperate with each other to transmit the pressing action of the press tip 8, so as to control the writing end of the pen tip 2 to be pushed out and retracted into the pen barrel 1.
[0045] Please continue reading. Figure 8 , Figures 11 to 16In this embodiment, the pen barrel 1 has a plurality of slide rails 12 for sliding engagement with the press core 9 and the rotating wheel 10. Between each two adjacent first toothed structures 9a, there is a first slide rail 9b for sliding engagement with the slide rail 12, and between each two adjacent second toothed structures 10a, there is a second slide rail 10b for sliding engagement with the slide rail 12. The number of slide rails 12, first slide rails 9b and second slide rails 10b are the same.
[0046] Furthermore, the lower part of each slide rail 12 is a sloping structure, and the upper part of each second tooth structure 10a has a sloping groove 10c that slides in conjunction with the sloping structure at the lower part of the slide rail 12. When the slide rail 12 slides into the sloping groove 10c, the rotating wheel 10 will be temporarily fixed and cannot rotate under the combined action of the press core 9, the slide rail 12, and the pen refill spring 11. At this time, the pen refill 2 will also be fixed, and the writing end of the pen refill 2 will be pushed out of the pen barrel 1, allowing for writing operations.
[0047] Please continue reading. Figures 14 to 16 When it is necessary to push the pen refill 2 out of the pen barrel 1, the presser 8 can be pressed to drive the presser 9 to move along the slide rail 12 toward the writing end of the pen refill 2. Then, with the cooperation of the first toothed structure 9a and the second toothed structure 10a, and the elastic force of the pen refill spring 11, the presser 9 can transmit the pressing force of the presser 8 to the rotating wheel 10, causing the rotating wheel 10 to rotate, thereby controlling the writing end of the pen refill 2 to be pushed out of the pen barrel 1. Due to the presence of the slide rail 12, the rotating wheel 10 is constrained by the slide rail 12 before disengaging, resulting in a very small rotation amplitude. Furthermore, before disengaging from the slide rail 12, it moves along the slide rail 12 with the presser 9 toward the writing end of the pen refill 2. Figure 14 As shown, until the rotating wheel 10 is completely disengaged from the slide rail 12, as... Figure 15 As shown, the rotating wheel 10 can rotate to a relatively large extent. When the rotating wheel 10 is completely disengaged from the slide rail 12, the pen refill spring 11 is in a compressed state, resulting in an upward force that causes the sharp corner (i.e., the second tooth structure 10a) on the rotating wheel 10 to rotate along the inclined surface of the slide rail 12 into the groove on the presser 9, thus achieving rotation. When the rotating wheel 10 is completely disengaged from the slide rail 12, releasing the presser 8 causes the slide rail 12 to engage with the adjacent inclined groove 10c. Under the combined action of the pen refill spring 11, the rotating wheel 10 is temporarily fixed and cannot continue to rotate. The writing end of the pen refill 2 is also pushed out of the pen barrel 1 and fixed, allowing for subsequent writing. To retract the pen refill 2 back into the pen barrel 1, press the presser 8 again.
[0048] Specifically, in the above embodiments, the pressing mechanism used is basically the same as the pressing structure used in existing common click-type pens, and the operating principle is also the same.
[0049] It is understood that, in addition to the structure shown in the above embodiments, the pressing mechanism may also adopt other structures that can achieve the same pressing function.
[0050] Please continue reading. Figure 2 In this embodiment, the pen barrel 1 includes a first sleeve 101, a second sleeve 102, and a third sleeve 103. The first sleeve 101 is fixedly inserted through the front end of the second sleeve 102, and the third sleeve 103 is threaded onto the rear end of the second sleeve 102. The pen tip spring 11 is located inside the first sleeve 101, and the pusher 8, pusher 9, and rotating wheel 10 are all located inside the third sleeve 103. The spring pen clip mechanism is located outside the third sleeve 103. The first sleeve 101 is also the pen tip sleeve commonly seen in the prior art, and it has an opening at the end away from the second sleeve 102 that allows the writing end of the pen tip 2 to extend out.
[0051] Please continue reading. Figure 1 and Figure 2 In this embodiment, in order to increase the friction between the finger and the pen and prevent the pen from slipping during use, thereby affecting the stability of writing, a rubber sleeve 13 is provided on the outside of the second sleeve 102.
[0052] In order to lower the pen's center of gravity and allow the fingers to grip the pen better for better control of writing, in this embodiment, the first sleeve 101 is made of metal, while the second sleeve 102 and the third sleeve 103 are both made of plastic.
[0053] Figure 14 The diagram shows the connection state of the button 9 and the rotating wheel 10 of the pressing mechanism with the slide rail 12 provided on the pen inside the pen barrel 1 when the pen refill 2 is retracted into the pen barrel 1.
[0054] Figure 15 The diagram shows the connection state of the push button 9 and the push button 10 of the pressing mechanism with the slide rail 12 inside the pen barrel 1 when the wheel 10 falls off the slide rail 12 during the process of the pen refill 2 being pushed out of the pen barrel 1.
[0055] Figure 16 The diagram shows the connection state of the presser 9 and the rotating wheel 10 of the pressing mechanism with the slide rail 12 provided on the pen inside the pen barrel 1 when the pen refill 2 is pushed out of the pen barrel 1.
[0056] Finally, it should be noted that the above description is only an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A low-center-of-gravity push-button pen with strong clamping force, comprising a pen barrel (1), a pen core (2), and a push-button mechanism, wherein the pen core (2) is disposed inside the pen barrel (1), and the push-button mechanism is disposed between the pen barrel (1) and the pen core (2) and is used to drive the pen core (2) to extend out of the pen barrel (1) or retract into the pen barrel (1), characterized in that: It also includes a spring pen clip mechanism located on one side of the upper end of the pen barrel (1). The spring pen clip mechanism includes a stepped pressing handle (3) and a pen clip spring (4). The stepped pressing handle (3) is hinged to a pen clip connecting seat (5) located on one side of the upper end of the pen barrel (1). The pen clip spring (4) is movably sleeved on a pen clip spring positioning seat (6) located on one side of the upper end of the pen barrel (1), with one end movably abutting against the pen barrel (1) and the other end movably abutting against the stepped pressing handle (3).
2. The low-center-of-gravity pressable pen with strong clamping force according to claim 1, characterized in that: The stepped press handle (3) includes at least one step (3a), and the at least one step (3a) is disposed at the upper end of the stepped press handle (3).
3. The low-center-of-gravity pressable pen with strong clamping force according to claim 1, characterized in that: The upper end of the stepped pressing handle (3) is hinged to the pen clip connecting seat (5) via a pin (7) and elastically contacts the outer wall of the pen barrel (1) via a pen clip spring (4). The lower end of the stepped pressing handle (3) is in movable contact with the outer wall of the pen barrel (1).
4. The low-center-of-gravity pressable pen with strong clamping force according to claim 1, characterized in that: The pressing mechanism includes a pusher head (8), a pusher core (9), a rotating wheel (10), and a pen refill spring (11). The pusher head (8) is movably sleeved on the upper part of the pusher core (9), with one end passing through the pen barrel (1) and the other end passing through the pen barrel (1). The pusher core (9) is movably sleeved on the upper part of the rotating wheel (10), with one end slidingly engaging with the pusher head (8) and the other end abutting against the rotating wheel (10). The lower part of the rotating wheel (10) abuts against the tail end of the pen refill (2). The pen refill spring (11) is movably sleeved on the front end of the pen refill (2).
5. The low-center-of-gravity pressable pen with strong clamping force according to claim 4, characterized in that: The end of the press (9) that abuts against the wheel (10) has a plurality of first toothed structures (9a), and the position where the wheel (10) abuts against the press (9) has a plurality of second toothed structures (10a). The plurality of first toothed structures (9a) and the plurality of second toothed structures (10a) cooperate with each other to transmit the pressing action of the press head (8) to control the writing end of the pen lead (2) to be pushed out and retracted into the pen barrel (1).
6. The low-center-of-gravity pressable pen with strong clamping force according to claim 5, characterized in that: The pen barrel (1) has multiple slide rails (12) inside for sliding engagement with the press core (9) and the rotating wheel (10). Between each two adjacent first toothed structures (9a), there is a first slide rail (9b) for sliding engagement with the slide rail (12), and between each two adjacent second toothed structures (10a), there is a second slide rail (10b) for sliding engagement with the slide rail (12). The number of slide rails (12), first slide rails (9b) and second slide rails (10b) is the same.
7. The low-center-of-gravity pressable pen with strong clamping force according to claim 6, characterized in that: The lower part of each of the slide rails (12) is a sloped structure, and the upper part of each of the second toothed structures (10a) has a sloped groove (10c) that slides and engages with the sloped structure of the lower part of the slide rail (12).
8. The low-center-of-gravity pressable pen with strong clamping force according to claim 5, characterized in that: The pen barrel (1) includes a first sleeve (101), a second sleeve (102) and a third sleeve (103). The first sleeve (101) is fixedly inserted through the front end of the second sleeve (102). The third sleeve (103) is threaded onto the rear end of the second sleeve (102). The pen core spring (11) is located inside the first sleeve (101). The pusher (8), pusher core (9) and rotating wheel (10) are all located inside the third sleeve (103). The spring pen clip mechanism is located outside the third sleeve (103).
9. The low-center-of-gravity pressable pen with strong clamping force according to claim 8, characterized in that: The second sleeve (102) is covered with a rubber sheath (13).
10. The low-center-of-gravity pressable pen with strong clamping force according to claim 8, characterized in that: The first sleeve (101) is made of metal, while the second sleeve (102) and the third sleeve (103) are both made of plastic.