阅读说明：本技术 一种插拔快拆式防逆流自锁定拨片笔芯 (Plug-in quick-release type anti-reflux self-locking shifting piece refill ) 是由 周永庆 王兵 杨锐 许德涛 于 2021-11-11 设计创作，主要内容包括：本发明公开了一种插拔快拆式防逆流自锁定拨片笔芯,涉及插拔拆防逆流锁定笔芯技术领域,包括笔芯、卡接头一和笔头,所述笔芯的顶端上活动卡接有卡接头一,所述卡接头一的顶端上设置有笔头,所述笔芯的左侧上下外表面上固定连接有微弹力杆,所述微弹力杆的一端上固定连接有多边卡接头。本发明通过将镊子一端上的卡接头二贴合到笔头的表面上去,将卡接头二卡接到笔头表面上的方形空槽,使用摩擦板片进行贴合、挤压,在拉动镊子将笔头从笔芯的一端上进行快速拔除下来,具备了对笔头进行更换卡接的特点,解决笔头在工艺上的制造比较繁琐且复杂,墨水使用完后就被丢弃掉,会比较浪费的问题,达到了对笔头进行快速拔除、更换的效果。(The invention discloses a plug-in quick-disassembly type backflow-preventing self-locking shifting piece refill, which relates to the technical field of plug-in quick-disassembly backflow-preventing locking refills and comprises a refill, a first clamping joint and a refill head, wherein the top end of the refill is movably clamped with the first clamping joint, the refill head is arranged at the top end of the first clamping joint, the upper outer surface and the lower outer surface of the left side of the refill are fixedly connected with micro-elastic rods, and one end of each micro-elastic rod is fixedly connected with a multi-side clamping joint. According to the invention, the second clamping connector on one end of the tweezers is attached to the surface of the pen point, the second clamping connector is clamped to the square empty groove on the surface of the pen point, the friction plate is used for attaching and extruding, the tweezers are pulled to rapidly pull out the pen point from one end of the pen core, the characteristics of replacing and clamping the pen point are provided, the problems that the manufacture of the pen point in the process is complicated and complicated, the ink is discarded after being used up, and the waste is high are solved, and the effects of rapidly pulling out and replacing the pen point are achieved.)

1. The utility model provides a plug quick detach formula is prevented flowing backwards from locking plectrum refill, includes refill (1), joint (2) and nib (3), its characterized in that: a first clamping head (2) is movably clamped at the top end of the pen core (1), and a pen point (3) is arranged at the top end of the first clamping head (2);

the pen core is characterized in that a micro elastic rod (11) is fixedly connected to the upper outer surface and the lower outer surface of the left side of the pen core (1), one end of the micro elastic rod (11) is fixedly connected with a multi-side clamping connector (12), a built-in clamping plate (13) is clamped on the inner surface of the pen core (1) in an attaching mode, and an elastic butt-joint plate (14) is fixedly connected to the upper inner surface and the lower inner surface of the built-in clamping plate (13).

2. The plug-in quick-release type anti-backflow self-locking shifting piece refill according to claim 1, characterized in that: an elastic sheet (15) is arranged on the outer surface of the elastic butt joint plate (14), and an elastic extrusion soft ring (16) is fixedly connected to one end of the elastic butt joint plate (14).

3. The plug-in quick-release type anti-backflow self-locking shifting piece refill according to claim 1, characterized in that: joint (2) on the upper and lower surface of joint, the laminating formula is connected with external guard plate (21), be provided with L type dead slot on the right side surface of joint (2), L type dead slot one end extends to on the surface of external guard plate (21), external guard plate (21) surface is located L type dead slot by one serve and is provided with presser (22), be provided with on the internal surface of joint (2) and lead china ink groove pipe (23), it is provided with trapezoidal butt joint (24) on one end of right side of china ink groove pipe (23) to lead.

4. The plug-in quick-release type anti-backflow self-locking shifting piece refill according to claim 3, characterized in that: be provided with on the inboard surface of external guard plate (21) dead slot (211), fixedly connected with slide bar (212) on the upper and lower surface of dead slot (211), elastic filament (213) have been cup jointed on the surface of slide bar (212), the top fixed connection of elastic filament (213) is on the top internal surface of dead slot (211).

5. The plug-in quick-release type anti-backflow self-locking shifting piece refill according to claim 3, characterized in that: the lower surface of the pressing device (22) is provided with a semicircular attaching block (221), the outer surfaces of the left side and the right side of the pressing device (22) are fixedly connected with a linking sliding plate (222), and the linking sliding plate (222) is in sliding lap joint with the outer surface of the sliding rod (212).

6. The plug-in quick-release type anti-backflow self-locking shifting piece refill according to claim 1, characterized in that: be provided with square dead slot on the upper and lower surface of nib (3), activity overlap joint has tweezers (32) on the surface of nib (3), the right side one end of tweezers (32) is provided with elasticity extrusion arm (33), one of elasticity extrusion arm (33) is served and is provided with joint two (34), be provided with friction plate piece (31) on joint two (34) and square dead slot one side surface.

7. The plug-in quick-release type anti-backflow self-locking shifting piece refill is characterized in that: the outer surface of the friction plate (31) is provided with a convex block (311), and the outer surface of the friction plate (31) is provided with a groove (312).

Technical Field

The invention relates to the technical field of plug-in and pull-out anti-reflux locking refills, in particular to a plug-in and pull-out quick-assembly anti-reflux self-locking shifting piece refill.

Background

The pen is a stationery commonly used in life of people and used for writing or drawing, the pen core is an important component of the pen, the replacement of the pen core is a process frequently occurring in the using process, the conventional replacement of the pen core needs to disassemble the whole pen, the related accessories of the old pen core and the new pen core are reassembled, the whole process is more complicated, and the precious time of a user is consumed more. The following problems exist in the prior art:

1. when the existing ball-point pen is used, ink in the pen core is used up, or the pen point is damaged and the ink in the pen core is not used up, the existing ball-point pen is usually discarded, the manufacture of the pen point on the process is complicated and complicated, and the existing ball-point pen is discarded after the ink is used up, so that the problem of waste is solved;

2. the pen point is damaged, the ink in the pen point is not used up, and when the pen point is pulled out, the ink in the pen point flows out.

Disclosure of Invention

The invention provides a plug-in quick-disassembly type anti-backflow self-locking shifting piece refill, which aims to have the characteristic of replacing and clamping a pen point and solve the problems that the pen point is complicated and complex to manufacture in the process, and is discarded after ink is used up, so that waste is caused; wherein another kind of purpose is in order to solve when pulling out the nib, can lead to inside ink outwards to flow out's problem to reach when pulling out the nib, carry out urgent confined effect to inside ink.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the plug-in quick-release type anti-reflux self-locking shifting piece refill comprises a refill, a first clamping joint and a pen point, wherein the first clamping joint is movably clamped on the top end of the refill, and the pen point is arranged on the top end of the first clamping joint.

The pen comprises a pen core, and is characterized in that a micro elastic rod is fixedly connected to the upper outer surface and the lower outer surface of the left side of the pen core, one end of the micro elastic rod is fixedly connected with a multi-edge clamping joint, a built-in clamping connection plate is clamped on the inner surface of the pen core in a fitting mode, and elastic butt joint plates are fixedly connected to the upper inner surface and the lower inner surface of the built-in clamping connection plate.

The technical scheme of the invention is further improved as follows: an elastic sheet is arranged on the outer surface of the elastic butt-joint plate, and one end of the elastic butt-joint plate is fixedly connected with an elastic extrusion soft ring.

The technical scheme of the invention is further improved as follows: the joint comprises a joint I and is characterized in that an upper outer surface and a lower outer surface of the joint I are connected with an external protection plate in an attaching mode, an L-shaped empty groove is formed in the outer surface of the right side of the joint I, one end of the L-shaped empty groove extends to the outer surface of the external protection plate, the outer surface of the external protection plate is located on the L-shaped empty groove and is provided with a pressing device, an ink guiding groove pipe is arranged on the inner surface of the joint I, and a trapezoidal butt joint is arranged at one end of the right side of the ink guiding groove pipe.

The technical scheme of the invention is further improved as follows: the novel protective plate is characterized in that an empty groove is formed in the outer surface of the inner side of the external protective plate, sliding rods are fixedly connected to the upper outer surface and the lower outer surface of the empty groove, elastic wires are sleeved on the outer surfaces of the sliding rods, and the top ends of the elastic wires are fixedly connected to the inner surface of the top end of the empty groove.

The technical scheme of the invention is further improved as follows: the pressing device is characterized in that a semicircular attaching block is arranged on the lower surface of the pressing device, and the outer surfaces of the left side and the right side of the pressing device are fixedly connected with a linking sliding plate which is in sliding lap joint with the outer surface of the sliding rod.

The technical scheme of the invention is further improved as follows: the pen point is characterized in that square empty grooves are formed in the upper outer surface and the lower outer surface of the pen point, tweezers are movably lapped on the outer surface of the pen point, an elastic extrusion arm is arranged at one end of the right side of each tweezers, a second clamping connector is arranged at one end of each elastic extrusion arm, and friction plates are arranged on the outer surfaces of the second clamping connector and one side of each square empty groove.

The technical scheme of the invention is further improved as follows: the outer surface of the friction plate is provided with a convex block, and the outer surface of the friction plate is provided with a groove.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:

1. the invention provides a pluggable quick-release type anti-reflux self-locking shifting piece refill which is characterized in that a refill, a refill head, a friction plate, tweezers, an elastic extrusion arm and a second clamping head are combined, the second clamping head at one end of the tweezers is attached to the surface of the refill head, the second clamping head is clamped to a square empty groove in the surface of the refill head, the friction plate is used for attaching and extruding, the refill head is quickly pulled out from one end of the refill head by pulling the tweezers, the pluggable quick-release type anti-reflux self-locking shifting piece refill has the characteristic of replacing and clamping the refill head, the problem that the refill head is relatively complicated and complex in manufacturing process, is discarded after ink is used up and is relatively wasted is solved, and the effect of quickly pulling out and replacing the refill head is achieved.

2. The invention provides a pluggable quick-release type anti-reflux self-locking shifting piece refill which adopts the combination of a multi-edge clamping connector, an elastic butt plate, an elastic piece, an elastic extrusion soft ring, a refill, a first clamping connector, a pressing device, a sliding rod, a semicircular fitting block and a connecting sliding plate, when the refill is pulled out, the semicircular fitting block is pressed to press the pressing device to one side, the connecting sliding plate is matched to slide on the outer surface of the sliding rod, the multi-edge clamping connector is pushed to pull the refill and the first clamping connector to separate the refill and the first clamping connector, after an ink guide groove tube is pulled out, the elastic piece on the surface of the elastic butt plate is matched to push and extrude the elastic extrusion soft ring, the ink outlet of a pen tube is sealed and blocked by utilizing the elasticity of the elastic extrusion soft ring, the pluggable quick-release type anti-reflux self-locking shifting piece refill has the characteristic of emergency sealing of the ink inside when the refill is pulled out, and when the refill is pulled out, the problem that the ink in the pen head flows out can be caused, so that the effect of emergency sealing of the ink in the pen head is achieved when the pen head is pulled out.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a first embodiment of the present invention;

FIG. 3 is a schematic view of a pen tip according to the present invention;

FIG. 4 is a schematic view of the friction plate construction of the present invention;

fig. 5 is an enlarged schematic view of the structure at the position a of the present invention.

In the figure: 1. a pen core; 11. a micro-spring rod; 12. a multi-sided snap joint; 13. a built-in clamping and connecting plate; 14. an elastic butt plate; 15. an elastic sheet; 16. elastically extruding the soft ring;

2. a first clamping joint;

21. a protection plate is externally connected; 211. an empty groove; 212. a slide bar; 213. stretch yarn;

22. a pressing device; 221. a semicircular fitting block; 222. connecting the sliding plate;

23. an ink guide groove pipe; 24. a trapezoidal butt joint;

3. a pen point; 31. a friction plate; 311. a bump; 312. a groove;

32. tweezers; 33. an elastic pressing arm; 34. and a second clamping head.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in figures 1-5, the invention provides a plug-in quick-disassembly type anti-reflux self-locking shifting piece refill, which comprises a refill 1, a first clamping joint 2 and a pen point 3, wherein the top end of the refill 1 is movably clamped with the first clamping joint 2, and the top end of the first clamping joint 2 is provided with the pen point 3.

In this embodiment, carry out the joint with the one end of joint first 2 and refill 1, when changing the nib, pull out joint first 2 from a little of refill 1 through the surface of nib 3, use refill 1 to seal the inside ink.

As shown in fig. 1-5, in this embodiment, it is preferable that the outer surface of the friction plate 31 is provided with a protrusion 311, the outer surface of the friction plate 31 is provided with a groove 312, and the protrusion 311 at one end of the forceps is abutted with the groove 312 on the surface of the pen point 3 to increase the internal friction force.

Example 2

As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, square empty grooves are formed in the upper outer surface and the lower outer surface of the pen point 3, tweezers 32 are movably connected to the outer surface of the pen point 3 in a lap joint mode, an elastic pressing arm 33 is arranged at one end of the right side of the tweezers 32, a second clamping joint 34 is arranged at one end of the elastic pressing arm 33, and friction plates 31 are arranged on the outer surfaces of the second clamping joint 34 and one side of the square empty grooves.

In this embodiment, come through the card joint two 34 of the one end of tweezers 32 laminating to the nib on the surface, with the square dead slot of two 34 joint to the nib 3 on the surface, use the friction slab 31 to laminate, extrude, pull out fast the nib 3 from one end of refill 1 at pulling tweezers 32, reached and pulled out fast the nib, changed the effect.

Example 3

As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, a micro elastic rod 11 is fixedly connected to the upper and lower outer surfaces of the left side of the refill 1, a multi-edge clip 12 is fixedly connected to one end of the micro elastic rod 11, a built-in clip plate 13 is clipped to the inner surface of the refill 1 in an attaching manner, an elastic butt plate 14 is fixedly connected to the upper and lower inner surfaces of the built-in clip plate 13, an elastic sheet 15 is arranged on the outer surface of the elastic butt plate 14, an elastic extrusion soft ring 16 is fixedly connected to one end of the elastic butt plate 14, an external protection plate 21 is clipped to the upper and lower outer surfaces of the clip I2 in an attaching manner, an L-shaped empty slot is arranged on the right outer surface of the clip I2, one end of the L-shaped empty slot extends to the outer surface of the external protection plate 21, a pressing device 22 is arranged on one end of the outer surface of the external protection plate 21, an ink guide slot tube 23 is arranged on the inner surface of the clip I2, a trapezoidal butt joint 24 is arranged on one end of the right side of the ink guide slot tube 23, the outer surface of the inner side of the external protection plate 21 is provided with an empty groove 211, the upper outer surface and the lower outer surface of the empty groove 211 are fixedly connected with a sliding rod 212, the outer surface of the sliding rod 212 is sleeved with an elastic wire 213, the top end of the elastic wire 213 is fixedly connected to the inner surface of the top end of the empty groove 211, the lower surface of the pressing device 22 is provided with a semicircular attaching block 221, the outer surfaces of the left side and the right side of the pressing device 22 are fixedly connected with engaging sliding plates 222, and the engaging sliding plates 222 are in sliding overlapping connection with the outer surface of the sliding rod 212.

In this embodiment, the trapezoidal butt joint 24 on one end of the ink guiding slot tube 23 is clamped into the internal clamping plate 13, the inclined plane on one end of the trapezoidal butt joint 24 is matched to extrude the surface of the elastic extrusion soft ring 16, the elastic extrusion soft ring 16 is used to carry out the joint sealing on the surface of the ink guiding slot tube 23, the elastic sheet 15 on the surface of the elastic butt joint plate 14 is bent and deformed in the extrusion process, the multi-edge clamping joint 12 on one end of the micro-elastic rod 11 is butted with the L-shaped empty slot in the first clamping joint 2, the micro-elastic rod 11 is slightly bent and deformed towards one side in the sliding process, when the multi-edge clamping joint 12 is clamped at the tail end of the L-shaped empty slot, if the pen head needs to be pulled out, the pressing device 22 is pressed towards one side by pressing the semicircular joint block 221, the joint sliding plate 222 is matched to slide on the outer surface of the sliding rod 212, the multi-edge joint 12 is pushed to pull the refill 1 and the first joint 2 to separate the refill from the first joint, after the ink guide groove tube 23 is pulled out, the elastic sheet 15 on the surface of the elastic butt joint plate 14 is matched to push and extrude the elastic extrusion soft ring 16, and the ink outlet of the pen tube is blocked by the elasticity of the elastic extrusion soft ring 16, so that the effect of emergency sealing of the ink inside when the pen point is pulled out is achieved.

The working principle of the pluggable quick-release type anti-backflow self-locking poking piece refill is described in detail below.

As shown in fig. 1-5, the trapezoidal butt joint 24 at one end of the ink guiding slot tube 23 is clamped into the internal clamping plate 13, the surface of the elastic extrusion soft ring 16 is extruded by matching with the inclined plane at one end of the trapezoidal butt joint 24, the surface of the ink guiding slot tube 23 is sealed by the elastic extrusion soft ring 16, the elastic sheet 15 on the surface of the elastic butt joint plate 14 is bent and deformed in the extrusion process, the multi-edge clamping joint 12 at one end of the micro-elastic rod 11 is butted with the L-shaped hollow slot in the first clamping joint 2, the micro-elastic rod 11 is slightly bent and deformed to one side in the sliding process, when the multi-edge clamping joint 12 clamps the tail end of the L-shaped hollow slot, if the pen point needs to be pulled out, the pressing semi-circle jointing block 221 is pressed to press the device 22 to one side, and the sliding plate 222 is matched to slide on the outer surface of the sliding rod 212, when the multi-edge clamping head 12 is pushed to a position where the pen core 1 and the clamping head 2 can be pulled to separate the pen core from the pen head, the clamping head II 34 on one end of the tweezers 32 is attached to the surface of the pen head, the clamping head II 34 is clamped to the square empty groove on the surface of the pen head 3, the friction plate 31 is used for attaching and extruding, the tweezers 32 are pulled to rapidly pull out the pen head 3 from one end of the pen core 1, the ink guide groove tube 23 is pulled out, the elastic sheet 15 on the surface of the elastic abutting plate 14 is matched to push and extrude the elastic extrusion soft ring 16, and the ink outlet of the pen tube is sealed and blocked by the elasticity of the elastic extrusion soft ring 16.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.