阅读说明：本技术 一种快拆式自锁定笔头及防泄漏笔芯 (Quick detach formula is from locking nib and preventing leaking refill ) 是由 周永庆 王兵 邹乐 许德涛 于 2021-11-11 设计创作，主要内容包括：本发明公开了一种快拆式自锁定笔头及防泄漏笔芯,涉及办公书写用具技术领域,包括固定环,所述固定环的左侧固定连接有书写笔头本体,所述书写笔头本体的外表面设置有表面凹槽,所述书写笔头本体的外表面固定焊接有位于表面凹槽内的防滑螺纹,所述固定环的右侧设置有自锁定机构,所述自锁定机构包括插入管体。本发明通过按压块下压的同时由传动杆对弹性件进行压缩,由于自弹卡块连接在传动杆上,可同时带动自弹卡块从契合卡槽的内部移动出,再将固定环向左拉动,进而可将固定环整体从防泄露笔芯本体的左侧分离出,即实现对固定环进行拆卸的处理,此方式拆卸简单,耗力较低,拆卸速度较快,避免对固定环进行拆卸非常不便的问题。(The invention discloses a quick-release self-locking pen point and a leakage-proof pen core, which relate to the technical field of office writing tools and comprise a fixing ring, wherein the left side of the fixing ring is fixedly connected with a writing pen point body, the outer surface of the writing pen point body is provided with a surface groove, the outer surface of the writing pen point body is fixedly welded with an anti-skidding thread positioned in the surface groove, the right side of the fixing ring is provided with a self-locking mechanism, and the self-locking mechanism comprises an insertion tube body. According to the invention, the elastic part is compressed by the transmission rod while the pressing block is pressed down, and the self-ejection clamping block is connected to the transmission rod, so that the self-ejection clamping block can be driven to move out of the interior of the fit clamping groove, and then the fixing ring is pulled leftwards, and further the whole fixing ring can be separated from the left side of the anti-leakage pen core body, namely the fixing ring is detached.)

1. The utility model provides a quick detach formula is from locking nib, includes solid fixed ring (1), its characterized in that: the utility model discloses a writing pen, including solid fixed ring (1), writing pen head body (2), the surface of writing pen head body (2) is provided with surperficial recess (3), the external fixed welding of writing pen head body (2) has anti-skidding screw thread (4) that are located surperficial recess (3), the right side of solid fixed ring (1) is provided with from locking mechanical system (5), from locking mechanical system (5) including inserting body (51), insert the right side of body (51) fixed connection at solid fixed ring (1), hollow fixed block (52) of fixedly connected with on the outer wall of inserting body (51), fixed welding has spacing ring (53) on the outer wall of hollow fixed block (52), the right side fixedly connected with catch bar (641) of inserting body (51).

2. The quick release type self-locking nib of claim 1, wherein: an elastic piece (56) is fixedly connected to the outer wall of the insertion tube body (51), and a transmission rod (57) is fixedly connected to one end, far away from the insertion tube body (51), of the elastic piece (56).

3. The quick release type self-locking nib of claim 2, wherein: one side, far away from the elastic piece (56), of the transmission rod (57) is fixedly connected with a pressing block (54) located on the left side of the limiting ring (53), one side, far away from the elastic piece (56), of the transmission rod (57) is fixedly connected with a self-ejection clamping block (55) located on the right side of the limiting ring (53), and the thickness value of the pressing block (54) is larger than that of the self-ejection clamping block (55).

4. A leak-proof cartridge for use with a quick-release self-locking nib according to claims 1 to 3, comprising a leak-proof cartridge body (6), characterized in that: prevent revealing the right side of refill body (6) and be provided with and prevent that the mistake inhales mechanism (7), fixed welding has cooperation fixture block (61) on the inner wall of refill body (6) is prevented revealing, the agreeing with draw-in groove has been seted up on the inner wall of cooperation fixture block (61), fixed mounting has silica gel sealing ring (62) on the inner wall of refill body (6) is prevented revealing, the arc spread groove has been seted up to the side of silica gel sealing ring (62), swing joint has printing ink filter screen (63) on the inner wall of refill body (6) is prevented revealing, fixed mounting has from sealing circular plate (64) on the inner wall of refill body (6) is prevented revealing.

5. A leak-resistant cartridge according to claim 4, characterized in that: the right side of the self-sealing circular plate (64) is provided with a sealing groove (642), the left side of the self-sealing circular plate (64) is provided with a through groove (645), the right side of the through groove (645) is communicated with the left side of the sealing groove (642), the left side of the inner cavity of the sealing groove (642) is fixedly provided with an elastic rod (643), the right side of the elastic rod (643) is fixedly connected with a rubber sealing plate (644), and the outer wall of the rubber sealing plate (644) is movably connected with the inner cavity of the sealing groove (642).

6. A leak-resistant cartridge according to claim 4, characterized in that: prevent mistake and inhale mechanism (7) including an external screw thread section of thick bamboo (71), an external screw thread section of thick bamboo (71) threaded connection is on the right side of preventing revealing refill body (6), fixed mounting has dead lever (72) on the inner wall of an external screw thread section of thick bamboo (71), the left side fixed mounting of dead lever (72) has connection rope (73).

7. A leak-resistant cartridge as claimed in claim 6, characterized in that: fixedly connected with fixed stopper (75) on the inner wall of a screw thread section of thick bamboo (71), fixedly connected with awl stopper (74) in the left side of connecting rope (73) extends to the inner chamber of fixed stopper (75).

Technical Field

The invention relates to a pen point and a pen refill, relates to the technical field of office writing tools, and particularly relates to a quick-release self-locking pen point and a leakage-proof pen refill.

Background

The pen core is an accessory of a writing tool and can be replaced for many times, specifically, the pen core is a tubular object with ink or printing ink in a ball-point pen tube or a water pen tube, a metal pen point is arranged at the front end, a ball point for writing is embedded in the pen point, the most common pen core of the gel pen has the diameter of 0.5mm, and the most common pen core of the gel pen has a bullet head.

The following problems exist in the prior art:

1. the existing pen point does not have the function of convenient disassembly, and is pulled out forcibly by a tool when the pen point is disassembled, so that great inconvenience is brought to the operation of a user due to the small volume of the pen point;

2. the existing refill does not have a leakage-proof function, and if the refill head is detached, ink inside the refill is extremely easy to spill, so that the situations of ink waste and refill damage occur, and improvement is needed urgently.

Disclosure of Invention

The invention provides a quick-release self-locking pen point and a leakage-proof pen core, which has the function of conveniently detaching the pen point and solves the problem of inconvenience in detaching the pen point; the other purpose is to solve the problem that ink in the pen core is easy to spill after the pen point is partially detached, so that the effect of automatically sealing the ink in the pen core is achieved.

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

the quick-release self-locking pen point comprises a fixing ring, wherein a writing pen point body is fixedly connected to the left side of the fixing ring, a surface groove is formed in the outer surface of the writing pen point body, anti-skidding threads located in the surface groove are fixedly welded to the outer surface of the writing pen point body, a self-locking mechanism is arranged on the right side of the fixing ring and comprises an insertion tube body, the insertion tube body is fixedly connected to the right side of the fixing ring, a hollow fixing block is fixedly connected to the outer wall of the insertion tube body, a limiting ring is fixedly welded to the outer wall of the hollow fixing block, and a push rod is fixedly connected to the right side of the insertion tube body.

The technical scheme of the invention is further improved as follows: the outer wall of the insertion pipe body is fixedly connected with an elastic piece, and one end, far away from the insertion pipe body, of the elastic piece is fixedly connected with a transmission rod.

The technical scheme of the invention is further improved as follows: one side of the transmission rod, which is far away from the elastic part, is fixedly connected with a pressing block positioned on the left side of the limiting ring, one side of the transmission rod, which is far away from the elastic part, is fixedly connected with a self-ejection clamping block positioned on the right side of the limiting ring, and the thickness value of the pressing block is larger than that of the self-ejection clamping block.

In a second aspect, the invention further provides a leakage-proof refill, which comprises a leakage-proof refill body, wherein an anti-mistaken-absorption mechanism is arranged on the right side of the leakage-proof refill body, a matching clamping block is fixedly welded on the inner wall of the leakage-proof refill body, a matching clamping groove is formed in the inner wall of the matching clamping block, a silica gel sealing ring is fixedly mounted on the inner wall of the leakage-proof refill body, an arc-shaped connecting groove is formed in the side surface of the silica gel sealing ring, an ink filter screen is movably connected to the inner wall of the leakage-proof refill body, and a self-sealing circular plate is fixedly mounted on the inner wall of the leakage-proof refill body.

Further: the utility model discloses a rubber sealing plate, including sealed plectane, right side, elastic rod, right side fixedly connected with rubber sealing plate, the sealed groove has been seted up on the right side of proclaiming oneself, logical groove has been seted up in the left side of proclaiming oneself to sealed plectane, the right side that leads to the groove communicates with each other in the left side of sealed groove, the left side fixed mounting of sealed groove inner chamber has the elastic rod, the right side fixedly connected with rubber sealing plate of elastic rod, the outer wall of rubber sealing plate and the inner chamber swing joint of sealed groove.

Further: the anti-mistaken-suction mechanism comprises an external thread cylinder, the external thread cylinder is in threaded connection with the right side of the anti-leakage pen core body, a fixed rod is fixedly mounted on the inner wall of the external thread cylinder, and a connecting rope is fixedly mounted on the left side of the fixed rod.

Further: fixedly connected with fixed stopper on the inner wall of an external screw thread section of thick bamboo, fixedly connected with awl stopper in the inner chamber that extends to fixed stopper in the left side of connecting the rope.

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 quick-release type self-locking pen point and a leakage-proof pen core, which adopts the combination of a pressing block, a self-elastic clamping block, an elastic piece and a transmission rod, the pressing block is pressed downwards, the elastic piece is compressed by the transmission rod while the pressing block is pressed downwards, the self-elastic clamping block is connected on the transmission rod, the self-elastic clamping block can be simultaneously driven to move out from the inside of a matching clamping groove, then a fixing ring is pulled leftwards, and the whole fixing ring can be separated from the left side of the leakage-proof pen core body, namely the fixing ring is detached.

2. The invention provides a quick-release self-locking pen point and a leakage-proof pen core, which adopts the combination of a push rod, a closed groove, an elastic rod, a rubber closed plate and a through groove, when a fixing ring is arranged at the left side of a leakage-proof pen core body, the push rod can be inserted into the left side of the rubber closed plate, and the rubber closed plate is pushed rightwards at the same time, so that ink in the leakage-proof pen core body enters the writing pen point body through the through groove, when the fixing ring is dismounted from the left side of the leakage-proof pen core body, the rubber closed plate can be embedded into an inner cavity of the closed groove under the action of the elastic rod, the function of sealing the through groove is realized, the function of preventing the ink in the leakage-proof pen core body is further realized, the problem that the ink in the leakage-proof pen core body is easy to spill is solved, and the condition that the ink in the leakage-proof pen core body is evaporated is avoided, the reliability of the invention is improved.

3. The invention provides a quick-release self-locking pen point and a leakage-proof pen core, which adopts the combination of an external thread cylinder, a fixed rod, a connecting rope, a conical plug and a fixed plug, and can cause the conical plug to move rightwards when air is sucked from the right side of the external thread cylinder.

Drawings

FIG. 1 is a schematic view of a quick-release self-locking nib according to the present invention;

FIG. 2 is a schematic diagram of a front view of the quick-release self-locking nib of the present invention;

FIG. 3 is a schematic structural view of the self-locking mechanism of the present invention;

FIG. 4 is an enlarged schematic view of the present invention at configuration A;

FIG. 5 is a schematic view of a structure of a leak-proof pen core according to the present invention;

FIG. 6 is a schematic view of a part of the internal structure of the leakproof pen core of the present invention;

FIG. 7 is a schematic cross-sectional view of a self-sealing circular plate according to the present invention;

fig. 8 is a schematic structural view of the anti-aspiration mechanism of the present invention.

In the figure: 1. a fixing ring; 2. a writing nib body; 3. a surface groove; 4. anti-skid threads;

5. a self-locking mechanism; 51. inserting the tube body; 52. a hollow fixed block; 53. a limiting ring; 54. a pressing block; 55. a self-eject clamping block; 56. an elastic member; 57. a transmission rod;

6. the leakage-proof pen core body; 61. matching the fixture block; 62. a silica gel sealing ring; 63. an ink filter screen; 64. a self-sealing circular plate; 641. a push rod; 642. closing the groove; 643. an elastic rod; 644. a rubber closing plate; 645. a through groove;

7. an anti-aspiration mechanism; 71. an externally threaded barrel; 72. fixing the rod; 73. connecting ropes; 74. a conical plug; 75. and fixing the plug.

Detailed Description

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

example 1

In a first aspect, as shown in fig. 1-8, the present invention provides a quick-release self-locking nib, comprising a fixing ring 1, a writing nib body 2 fixedly connected to the left side of the fixing ring 1, a surface groove 3 formed on the outer surface of the writing nib body 2, an anti-slip thread 4 welded on the outer surface of the writing nib body 2 and located in the surface groove 3, a self-locking mechanism 5 arranged on the right side of the fixing ring 1, the self-locking mechanism 5 comprising an insertion tube 51, the insertion tube 51 fixedly connected to the right side of the fixing ring 1, a hollow fixing block 52 fixedly connected to the outer wall of the insertion tube 51, a limit ring 53 fixedly welded on the outer wall of the hollow fixing block 52, through the design of surface recess 3, be convenient for adopt the instrument to press from both sides the operation of getting to solid fixed ring 1, through the design of anti-skidding screw thread 4, the frictional force between the instrument and the 2 outer walls of writing nib body is got to the promotion clamp.

Example 2

As shown in fig. 1 to 8, on the basis of embodiment 1, the present invention provides a technical solution: preferably, an elastic member 56 is fixedly connected to the outer wall of the insertion tube body 51, a transmission rod 57 is fixedly connected to one end of the elastic member 56, which is far away from the insertion tube body 51, a pressing block 54, which is located at the left side of the limiting ring 53, is fixedly connected to one side of the transmission rod 57, which is far away from the elastic member 56, a self-eject latch 55, which is located at the right side of the limiting ring 53, is fixedly connected to one side of the transmission rod 57, which is far away from the elastic member 56, the thickness of the pressing block 54 is greater than that of the self-eject latch 55, when the fixing ring 1 is detached from the left side of the anti-leakage pen core body 6, the pressing block 54 is pressed by the transmission rod 57, the self-eject latch 55 is simultaneously driven to move out of the interior of the engagement slot, the fixing ring 1 is pulled leftward, the whole fixing ring 1 can be separated from the left side of the anti-leakage pen core body 6, the fixing ring 1 is installed at the left side of the anti-leakage pen core body 6, the pressing block 54 is pressed downward, and then the insertion tube body 51 is inserted into the inner cavity of the anti-leakage pen core body 6, when the right side of the limiting ring 53 contacts with the anti-leakage pen core body 6, the pressing block 54 is loosened, the self-elastic clamping block 55 is elastically inserted into the clamping groove through the elastic force of the elastic piece 56, and the fixing ring 1 is installed.

Example 3

In a second aspect, as shown in fig. 1 to 8, the present invention further provides a leakage-proof pen core, which includes a leakage-proof pen core body 6, wherein the right side of the leakage-proof pen core body 6 is provided with a mistaken absorption prevention mechanism 7, the inner wall of the leakage-proof pen core body 6 is fixedly welded with a matching fixture block 61, the inner wall of the matching fixture block 61 is provided with a matching slot, the inner wall of the leakage-proof pen core body 6 is fixedly provided with a silica gel sealing ring 62, the side surface of the silica gel sealing ring 62 is provided with an arc-shaped connecting slot, the inner wall of the leakage-proof pen core body 6 is movably connected with an ink filtering screen 63, the inner wall of the leakage-proof pen core body 6 is fixedly provided with a self-sealing circular plate 64, impurities in ink can be filtered through the design of the ink filtering screen 63, and the service life of the writing pen head body 2 is prolonged.

Example 4

As shown in fig. 1 to 8, on the basis of embodiment 3, the present invention provides a technical solution: preferably, the right side of the insertion tube body 51 is fixedly connected with a push rod 641, the right side of the self-sealing circular plate 64 is provided with a sealing groove 642, the left side of the self-sealing circular plate 64 is provided with a through groove 645, the right side of the through groove 645 is communicated with the left side of the sealing groove 642, the left side of the inner cavity of the sealing groove 642 is fixedly provided with an elastic rod 643, the right side of the elastic rod 643 is fixedly connected with a rubber sealing plate 644, the outer wall of the rubber sealing plate 644 is movably connected with the inner cavity of the sealing groove 642, the anti-suck-error mechanism 7 comprises an external thread cylinder 71, the external thread cylinder 71 is in threaded connection with the right side of the anti-leak refill body 6, the inner wall of the external thread cylinder 71 is fixedly provided with a fixing rod 72, the left side of the fixing rod 72 is fixedly provided with a connecting rope 73, the inner wall of the external thread cylinder 71 is fixedly connected with a fixing plug 75, the left side of the connecting rope 73 extends into the inner cavity of the fixing plug 75 and the fixing ring 1 is mounted on the left side of the anti-leak refill body 6, the rubber sealing plate 644 can be pushed rightwards through the push rod 641, so that ink inside the anti-leakage pen core body 6 enters the writing pen head body 2 through the through groove 645, when the fixing ring 1 is detached from the left side of the anti-leakage pen core body 6, the rubber sealing plate 644 can be embedded into the inner cavity of the sealing groove 642 under the elastic force of the elastic rod 643, the sealing function of the through groove 645 is achieved, the anti-leakage treatment of the ink inside the anti-leakage pen core body 6 is achieved, when air is sucked from the right side of the external thread cylinder 71, the cone plug 74 can be driven to move rightwards, through the elastic design of the connecting rope 73, the outer wall of the cone plug 74 can be attached to the inner wall of the fixing plug 75, and the function of plugging the inner cavity of the external thread cylinder 71 is achieved.

The working principle of the quick-release self-locking pen point and the anti-leakage pen core is described in detail below.

As shown in fig. 1 to 8, when the fixing ring 1 is detached from the left side of the anti-leakage pen core body 6, the pressing block 54 is pressed, the driving rod 57 simultaneously drives the self-eject latch 55 to move out of the engaging slot, and then the fixing ring 1 is pulled leftward, so that the fixing ring 1 can be entirely separated from the left side of the anti-leakage pen core body 6, when the fixing ring 1 is installed on the left side of the anti-leakage pen core body 6, the pressing block 54 is pressed downward, the insertion tube 51 is inserted into the inner cavity of the anti-leakage pen core body 6, when the right side of the spacing ring 53 contacts the anti-leakage pen core body 6, the pressing block 54 is released, the self-eject latch 55 is ejected into the engaging slot by the elastic force of the elastic member 56, i.e. the fixing ring 1 is installed, during the process of installing the fixing ring 1 on the left side of the anti-leakage pen core body 6, the rubber closing plate 644 is pushed rightward by the pushing rod, the ink inside the anti-leakage pen core body 6 enters the writing pen head body 2 through the through groove 645, and when the fixing ring 1 is detached from the left side of the anti-leakage pen core body 6, the rubber sealing plate 644 can be embedded into the inner cavity of the sealing groove 642 under the elastic force of the elastic rod 643, so that the function of sealing the through groove 645 is realized, and the anti-leakage treatment of the ink inside the anti-leakage pen core body 6 is realized.

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.