CN112558701A - Rotating shaft connecting device of automatic ejection pen - Google Patents

Abstract

The invention discloses a rotating shaft connecting device of an automatic pop-up pen, which is characterized by comprising an upper bracket, a lower bracket, a rotating shaft, an end pen bin and a pressing component, wherein the upper bracket is connected with the lower bracket through a connecting rod; the upper bracket is provided with an upper bracket shaft lever, the two ends of the upper bracket shaft lever are respectively provided with a containing groove, the lower bracket is provided with a lower bracket shaft lever, one end of the lower bracket shaft lever is provided with a hole opening groove, the lower bracket shaft lever is respectively connected with the two ends of the upper bracket shaft lever in a rotating way through a rotating shaft, the end pen bin is arranged on the lower bracket shaft lever and penetrates through the rotating shaft to the upper bracket shaft lever, a pressing bin is arranged in the upper bracket shaft lever, and a pressing part is fixed in the pressing bin. According to the invention, the pressing component is additionally arranged, so that the capacitance pen can be pressed and popped out, and is convenient to take and use; the built-in magnet of electric capacity pen makes it adsorb in tip storehouse, is difficult for dropping, and the installing port is seted up to the upper bracket axostylus axostyle, both made things convenient for processing to flee the material, is convenient for again press the part installation.

Description

Rotating shaft connecting device of automatic ejection pen

Technical Field

The invention relates to the field of rotary connection of a pen capable of being accommodated in an electronic product, in particular to a rotary shaft connecting device for automatically popping up a pen.

Background

With the increasing intellectualization of electronic products and the call for energy conservation and environmental protection, paperless office is gradually applied to various industries, electronic products such as computers, televisions, panels and the like need to be additionally provided with capacitance pens, but the capacitance pens are troublesome to carry and place and need special placing areas, otherwise the capacitance pens are easy to lose and bring inconvenience to use or carry;

the lower carriage of most notebook computer pivot adopts integrative design, and the damping subassembly of pivot can only insert the installation from the trompil at lower carriage both ends when this kind of design causes the installation, and is higher with damping subassembly required precision to the spare part of product, causes the yield to promote the difficulty, and then promotes manufacturing cost, and in addition, both ends also need design the end cover fixed, and spare part is more, increases manufacturing cost equally.

Therefore, in combination with the above-mentioned technical problems, there is a need to provide a new technical solution.

Disclosure of Invention

In order to solve the technical problems in the prior art, the invention provides a rotating shaft connecting device capable of accommodating a capacitance pen, wherein the capacitance pen is not easy to fall out and can be automatically popped out, and the specific technical scheme is as follows:

a rotating shaft connecting device for an automatic pop-up pen comprises an upper support, a lower support, a rotating shaft, an end pen bin and a pressing component;

the upper bracket is provided with an upper bracket shaft lever, and two ends of the upper bracket shaft lever are respectively provided with a containing groove;

the lower bracket is provided with a lower bracket shaft lever, and one end of the lower bracket shaft lever is provided with a perforated groove;

the two ends of the upper bracket shaft lever are respectively and rotatably connected with the lower bracket shaft lever through the rotating shaft;

one end of the rotating shaft is accommodated in the accommodating groove of the upper bracket shaft lever, and the other end of the rotating shaft is accommodated in the perforated groove of the lower bracket shaft lever;

the end pen bin penetrates through the rotating shaft from the lower support shaft lever to the upper support shaft lever, one end of the end pen bin starts from one end, far away from the hole opening groove, of the lower support shaft lever, and the other end of the end pen bin is arranged in the upper support shaft lever;

the upper bracket shaft rod is internally provided with a pressing bin, the pressing bin is communicated with the end pen bin, the central axis of the pressing bin is consistent with the central axis of the end pen bin, and the pressing component is fixed in the pressing bin.

The pen further comprises a capacitance pen, the capacitance pen comprises a pen holder and a pen point fixedly connected with the pen holder, and a magnet is arranged in the pen holder.

Further, the rotating shaft is a magnetic metal rotating shaft;

the capacitance pen extends into the end pen bin, and the magnet of the pen holder is magnetically adsorbed to the rotating shaft;

or the capacitance pen is ejected out of the end pen bin by the pressing component when the capacitance pen is pressed.

Furthermore, the rotating shaft comprises a hollow mandrel, a sleeve ring and a locking piece, the two ends of the hollow mandrel are open, one end of the mandrel is a fixed end, the sleeve ring penetrates through the upper hollow shaft, the locking piece is fixed at the other end of the mandrel, and the sleeve ring rotates on the hollow shaft in a damping or non-damping mode;

the rotating shaft comprises a damping rotating shaft and a non-damping rotating shaft.

Furthermore, the pressing part comprises a shell, a clamping hook, an elastic element, a push-pull rod and a long plate fixedly connected with one end of the push-pull rod;

the shell is provided with an opening end and an accommodating cavity communicated with the opening end, a groove is formed in the shell along the radial direction, the groove is far away from the opening end of the shell, the groove is communicated with the accommodating cavity, and the bottom of the groove is provided with a blind hole;

the clamping hook comprises a cross rod and end heads, and the two ends of the cross rod are respectively and vertically connected with the end heads;

the elastic element is provided with a hollow cavity with two open ends, the elastic element is sleeved on the long plate, and the long plate sleeved with the elastic element is arranged in the accommodating cavity of the shell;

the long plate is provided with a sliding groove, the clamping hook is arranged in the hollow cavity of the elastic element, the end head of one end of the clamping hook is clamped in the sliding groove of the long plate, and the end head of the other end of the clamping hook is clamped in the blind hole of the shell.

Furthermore, the outer diameter of the push-pull rod is smaller than or equal to the inner diameter of the accommodating cavity of the outer shell, and the width of the long plate is smaller than the outer diameter of the push-pull rod.

The inner diameter of the hollow cavity of the elastic element is between the width of the long plate and the outer diameter of the push-pull rod, and the outer diameter of the elastic element is not larger than the inner diameter of the accommodating cavity of the shell.

Further, the sliding grooves comprise a first sliding groove, a second sliding groove, a third sliding groove and a fourth sliding groove; the first sliding groove, the second sliding groove, the third sliding groove and the fourth sliding groove are sequentially connected end to form a circular groove which is similar to a heart shape.

The end, close to the second sliding groove, of the bottom of the first sliding groove is higher than the end, close to the first sliding groove, of the bottom of the second sliding groove, the end, close to the third sliding groove, of the bottom of the second sliding groove is higher than the end, close to the third sliding groove, of the bottom of the third sliding groove, the end, close to the fourth sliding groove, of the bottom of the third sliding groove is higher than the end, close to the fourth sliding groove, of the bottom of the fourth sliding groove, and the end, close to the first sliding groove, of the.

Further, the bottom of the first sliding chute, the bottom of the second sliding chute, the bottom of the third sliding chute and the bottom of the fourth sliding chute are curved surfaces along the length direction;

one end of the bottom of the first sliding groove, which is close to the second sliding groove, one end of the bottom of the second sliding groove, which is close to the third sliding groove, one end of the bottom of the third sliding groove, which is close to the fourth sliding groove, and one end of the bottom of the fourth sliding groove, which is close to the first sliding groove, are all positioned on the same horizontal line;

the first sliding groove bottom is close to one end of the fourth sliding groove, the second sliding groove bottom is close to one end of the first sliding groove, the third sliding groove bottom is close to one end of the second sliding groove, and one end of the fourth sliding groove bottom, which is close to the third sliding groove, is located on the same horizontal line.

Furthermore, the bottom of the first sliding groove, the bottom of the second sliding groove and the bottom of the third sliding groove are all planes, and the bottom of the fourth sliding groove is a curved surface along the length direction.

Furthermore, one end of the fourth sliding chute, which is close to the first sliding chute, is a first positioning position, and one end of the second sliding chute, which is close to the third sliding chute, is a second positioning position;

when the pressing part is not pressed, a long plate fixedly connected with one end of the push-pull rod is arranged in the accommodating cavity of the shell, the push-pull rod is pressed against by an elastic element penetrating and sleeved outside the long plate, the push-pull rod extends out of the shell in a protruding mode, and one end of the clamping hook is clamped at a first positioning position of the fourth sliding chute;

pressing the pressing part, wherein the push-pull rod moves towards the accommodating cavity of the shell and synchronously moves with the long plate fixedly connected with the push-pull rod, one end of the hook falls into the first sliding groove and moves to one end, close to the second sliding groove, of the first sliding groove, and the pressing part is released, one end of the hook falls into the second sliding groove from the first sliding groove and moves to the second positioning position of the second sliding groove;

and pressing the pressing part again, wherein one end of the clamping hook falls into the third sliding groove and moves to one end of the third sliding groove, which is close to the fourth sliding groove, the pressing part is loosened, one end of the clamping hook falls into the fourth sliding groove from the third sliding groove and moves to the first positioning position of the fourth sliding groove, the long plate synchronously moves towards the opening end of the shell, and the push-pull rod fixedly connected with the long plate synchronously moves out of the accommodating cavity of the shell.

Further, the upper bracket also comprises a hole cover;

the upper bracket shaft lever is provided with an installation opening, the length direction of the installation opening is consistent with the direction of the central axis of the upper bracket shaft lever, the hole cover is matched with the installation opening, and the hole cover is detachably arranged on the installation opening;

the mounting port is communicated with the end pen bin and/or the pressing bin, and the pressing component is fixed in the pressing bin through the mounting port.

Further, the upper support shaft lever and the lower support shaft lever are both aluminum alloy shaft levers, the core shaft of the rotating shaft is a magnetic steel core shaft, the fixed end of the core shaft is pressed into the accommodating groove at one end of the upper support shaft lever, the lantern ring is a steel lantern ring, and the lantern ring is pressed into the opening groove of the lower support shaft lever.

Furthermore, the containing groove of the upper support shaft lever is a non-circular groove, the outer surface of the fixed end of the mandrel is matched with the non-circular containing groove, and the fixed end of the mandrel is buckled into the containing groove at one end of the upper support shaft lever;

the opening groove of the lower support shaft lever is a non-circular groove, the outer surface of the lantern ring is matched with the non-circular opening groove, and the lantern ring is buckled in the opening groove of the lower support shaft lever.

Furthermore, a plurality of accommodating groove convex ridges are annularly and parallelly arranged on the inner wall of an accommodating groove of the upper support shaft lever, and the length direction of the accommodating groove convex ridges is consistent with the axial lead direction of the upper support shaft lever;

a plurality of strip tooth grooves matched with the containing groove convex ribs are annularly and parallelly distributed on the outer surface of the fixed end of the mandrel, the length direction of the strip tooth grooves is consistent with the axial lead direction of the mandrel, and the containing groove convex ribs of the upper support shaft lever are clamped in the strip tooth grooves of the fixed end of the mandrel;

a plurality of perforated groove convex ridges are annularly arranged on the inner wall of the perforated groove of the lower support shaft lever, and the length direction of the perforated groove convex ridges is consistent with the axial lead direction of the upper support shaft lever;

the lantern ring surface annular parallel distribution a plurality of with the rectangular groove that sinks of trompil groove bead assorted, rectangular groove length direction that sinks with the axial lead direction of the lantern ring is unanimous, and is a plurality of rectangular sink the groove with trompil groove bead phase-match block, trompil groove bead buckle in the rectangular inslot that sinks of the lantern ring.

The utility model provides a pivot connecting device of auto-eject pen has following beneficial effect:

(1) according to the rotating shaft connecting device for the automatic ejection pen, the end pen bin is arranged at the end part of the rotating device and used for placing the capacitance pen, the carrying and the use are convenient, and no extra space is occupied; the capacitance pen is provided with the pressing part, and the capacitance pen can be pressed and popped out, so that the capacitance pen is convenient to take and use;

(2) according to the rotating shaft connecting device for the automatic ejection pen, the capacitance pen can be adsorbed in the end pen bin, is not easy to fall off, and is convenient to carry;

(3) according to the rotating shaft connecting device for the automatic ejection pen, the pen bin at the inner end part of the shaft lever of the upper support is longer, so that material escape is not easy to occur during processing, and the shaft lever of the upper support is provided with the mounting opening, so that the material escape during processing is facilitated, and the mounting of a pressing part is facilitated;

(4) the utility model provides a pivot connecting device of automatic pen that pops out, its lower carriage adopts the components of a whole that can function independently design, makes the pivot can be followed inside and outside installation, and the required precision to product part and subassembly is lower a little relatively, increases the yield of product production, reduces bad loss and the processing degree of difficulty.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is an exploded view of a hinge assembly for a pen with automatic ejection according to the present invention;

FIG. 2 is an exploded view of another embodiment of the hinge connection mechanism for the automatic ejection pen of the present application;

FIG. 3 is a schematic view of the structure of FIG. 2;

FIG. 4 is a schematic view of the cross-sectional structure taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the H-directional structure of FIG. 3;

FIG. 6 is a schematic view of the cross-sectional structure of FIG. 5 taken along the line B-B;

FIG. 7 is an exploded view of a press unit according to the present application;

FIG. 8 is a schematic perspective view of the push-pull rod and the long plate of FIG. 7;

FIG. 9 is a schematic cross-sectional view of FIG. 8;

fig. 10 is a schematic cross-sectional structure view of the non-pressed state of the pressing member according to the present application;

fig. 11 is a schematic cross-sectional structure view showing a pressed state of the pressing member of fig. 7;

FIG. 12 is an exploded view of the non-damped rotor shaft of FIG. 7;

FIG. 13 is an exploded view of another embodiment of a hinge connection for a pen for automatic ejection according to the present application;

FIG. 14 is a perspective view of the first damping spindle of FIG. 13;

FIG. 15 is an exploded view of the first damping spindle of FIG. 14;

FIG. 16 is a perspective view of the second damping spindle of FIG. 13;

FIG. 17 is an exploded view of the second damping spindle of FIG. 16;

wherein, 1-upper support, 2-lower support, 3-rotating shaft, 4-end pen chamber, 5-pressing part, 6-capacitance pen, 7-damping rotating shaft, 8-non-damping rotating shaft, 101-pressing chamber, 102-hole cover, 103-mounting opening, 51-shell, 52-clamping hook, 53-elastic element, 54-push-pull rod, 55-long plate, 511-groove, 5111-blind hole, 521-cross rod, 522-end, 541-arc groove, 551-sliding groove, 5511-first sliding groove, 5512-second sliding groove, 5513-third sliding groove, 5514-fourth sliding groove, 5515-first positioning position, 5516-second positioning position, 61-pen holder, 62-pen head, 611-magnet, 71-first damping rotating shaft, 72-a first damping rotating shaft, 711-a first mandrel, 712-a first concave wheel, 713-a first cam, 714-a first sound-insulating gasket, 715-a first elastic sheet, 716-a gasket, 717-a fixing nut, 7111-a buckle section, 7112-a convex section, 7113-a round rod section, 7114-a sleeve section, 7121-a convex block, 7123-a wavy surface, 7131-a curved surface, 721-a second mandrel, 722-a second concave wheel, 723-a second cam, 724-a second sound-insulating gasket, 725-a second elastic sheet, 726-a locking nut, 727-a torsion spring, 7211-a connecting section, 7212-a limiting section, 7213-a polished rod section, 7214-a fixing section, 7221-a flange, 7223-a convex-concave surface, 7231-a contact surface, 81-a hollow shaft, 82-a shaft sleeve, 83-snap ring, 811-fixed end, 812-annular groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "high", "low", "front", "rear", "both ends", "one end", "the other end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "provided," "connected," "disposed," "sleeved," "opened," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1 to 6, fig. 1 is an exploded structure view of a hinge connecting device of an automatic ejection pen according to the present application, fig. 2 is an exploded structure view of another embodiment of the hinge connecting device of the automatic ejection pen according to the present application, fig. 3 is a structure view of fig. 2, fig. 4 is a sectional structure view of fig. 3 along a-a direction, fig. 5 is a structural view of fig. 3 along an H direction, and fig. 6 is a sectional structure view of fig. 5 along a-B direction. As shown in fig. 1 to 6, a rotating shaft connecting device of an automatic ejection pen includes an upper bracket 1, a lower bracket 2, a rotating shaft 3, an end pen chamber 4 and a pressing member 5;

the upper bracket 1 is provided with an upper bracket shaft lever, and two ends of the upper bracket shaft lever are respectively provided with an accommodating groove;

the lower support 2 is provided with a lower support shaft rod, one end of the lower support shaft rod is provided with a perforated groove, and in the example, two lower support 2 are provided;

the two ends of the upper bracket shaft lever are respectively and rotatably connected with the lower bracket shaft lever through the rotating shaft 3;

one end of the rotating shaft 3 is accommodated in the accommodating groove of the upper support shaft lever, the other end of the rotating shaft 3 is accommodated in the perforated groove of the lower support shaft lever, and in the example, two rotating shafts 3 are provided;

the end pen bins 4 are respectively arranged in the lower support shaft lever, the rotating shaft 3 and the upper support shaft lever, the end pen bins 4 penetrate through the rotating shaft 3 from the lower support shaft lever to the upper support shaft lever, one end of each end pen bin 4 starts from one end, far away from the opening groove, of the lower support shaft lever, the end pen bins 4 sequentially penetrate through the lower support shaft lever and the rotating shaft 3, and the other ends of the end pen bins 4 are arranged in the upper support shaft lever; the design of the end pen bin 4 is added, so that the pen can be used for placing capacitance pens, and great convenience is brought to the use of a user.

Preferably, the central axis of the end pen container 4 is respectively consistent with the central axis of the lower carriage shaft, the central axis of the rotating shaft 3 and the central axis of the upper carriage shaft.

A pressing bin 101 is arranged in the upper support shaft rod, the pressing component 5 is fixed in the pressing bin 101, the pressing bin 101 is communicated with the end pen bin 4, and the central axis of the pressing bin 101 is consistent with that of the end pen bin 4. Preferably, the pressing chamber 101 is matched with the pressing member 5. Set up pressing part 5, can make the pen of holding in tip pen storehouse press and pop out, be convenient for take, promote user experience.

In an example, the upper bracket 1 further comprises an upper leaf, the upper leaf is fixedly connected with the upper bracket shaft rod, and a plurality of upper leaf fixing holes are formed in the surface of the upper leaf; preferably, the upper leaf and the upper bracket shaft rod are integrally connected;

the lower support 2 further comprises a lower leaf, the lower leaf is fixedly connected with the lower support shaft rod, and a plurality of lower leaf fixing holes are formed in the surface of the lower leaf; preferably, the lower leaf and the lower bracket shaft rod are integrally connected;

the central axis of the upper bracket shaft lever and the central axis of the lower bracket shaft lever are on the same horizontal line; the outer diameter of the upper bracket shaft lever is consistent with that of the lower bracket shaft lever.

In an example, two lower brackets 2 are respectively fixedly connected with a keyboard, and the upper bracket 1 is connected with a screen.

The two lower supports 2 are designed in a split mode, so that the rotating shaft 3 can be installed from inside to outside, the precision requirement on product parts and components is relatively low, and the yield of product production is increased.

In some embodiments, the capacitive pen 6 further comprises a pen barrel 61 and a pen point 62 fixedly connected with the pen barrel, and a magnet 611 is arranged in the pen barrel 61. The magnet 611 is arranged in the pen holder, and the capacitance pen 6 is adsorbed in the pen bin at the end part and is not easy to fall out.

Preferably, the outer diameter of the capacitive pen 6 is not greater than the inner diameter of the end pen chamber 4, the number of the magnets 611 is multiple, in an example, 3 magnets 611 are arranged at intervals in the pen holder, the magnets 611 are strong magnets, the outer diameter of the capacitive pen 6 is consistent with the inner diameter of the end pen chamber 4, and the length of the capacitive pen 6 is not less than the length of the end pen chamber 4.

Preferably, the rotating shaft 3 is a magnetic metal rotating shaft;

the capacitance pen 6 extends into the end pen chamber 4, and the magnet 611 in the pen holder 61 is magnetically adsorbed on the rotating shaft 3;

or, the capacitance pen 6 is pressed, and the pressing member 5 ejects the capacitance pen 6 from the end pen chamber 4.

In another embodiment, the upper rack further comprises an orifice cover 102;

the upper bracket shaft rod is provided with an installation port 103, the length direction of the installation port 103 is consistent with the central axis direction of the upper bracket shaft rod, and the installation port 103 is communicated with the end pen bin 4 and/or the pressing bin 101; preferably, the length of the mounting port 103 is greater than or equal to the length of the pressing member 5, and in an example, the end pen chamber 4 and the pressing chamber 101 are both communicated with the mounting port 103.

The hole cover 102 is matched with the installation port 103, the hole cover 102 is detachably installed on the installation port 103, and the pressing component 5 is fixed in the pressing bin 101 through the installation port 103; in an example, an elastic buckle is arranged on at least one side edge of the hole cover 102, a clamping groove is correspondingly arranged on the side wall of the mounting opening 103, and the elastic buckle of the hole cover 102 is clamped in the clamping groove of the mounting opening 103;

the upper bracket shaft lever is provided with the mounting opening 103, so that the upper bracket shaft lever can conveniently escape when the pen bin is processed, and the production efficiency is improved; and the installation opening 103 is arranged, so that the pressing part is installed in the upper bracket shaft rod from the installation opening 103, the installation is convenient, and the processing and installation difficulty is greatly reduced.

In an example, an upper sheet of the upper bracket 1 is fixedly connected with the screen, and a display surface of the screen and the mounting hole 103 are respectively located on two sides of the upper bracket.

Referring to fig. 7 to 11, fig. 7 is an exploded view of a pressing member according to the present application, fig. 8 is a perspective view of a push-pull rod and a long plate in fig. 7, fig. 9 is a sectional view of fig. 8, fig. 10 is a sectional view of the pressing member of fig. 7 in an unpressed state, and fig. 11 is a sectional view of the pressing member of fig. 7 in a pressed state. As shown in fig. 7 to 11, the pressing member 5 includes an outer shell 51, a hook 52, an elastic member 53, a push-pull rod 54, and a long plate 55 fixedly connected to one end of the push-pull rod, wherein the width of the long plate 55 is smaller than the outer diameter of the push-pull rod 54; in the illustrated example, the push-pull rod 54 is integrally connected to the long plate 55.

The outer shell 51 is provided with an open end and an accommodating cavity communicated with the open end, the outer diameter of the push-pull rod 54 is smaller than or equal to the inner diameter of the accommodating cavity of the outer shell 51, a groove 511 is radially formed in the outer shell, the groove 511 is far away from the open end of the outer shell 51, the groove 511 is communicated with the accommodating cavity, and the bottom of the groove 511 is provided with a blind hole 5111; in an example, the outer diameter of the push-pull rod 54 is consistent with the inner diameter of the accommodating cavity of the outer shell 51;

the hook 52 comprises a cross rod 521 and end heads 522, the end heads 522 are respectively vertically connected to two ends of the cross rod 521, the two end heads 522 are arranged in parallel, the two end heads 522 are positioned on the same side of the cross rod 521, and the length of the cross rod 521 is smaller than that of the shell 51;

the elastic element 53 is provided with a hollow cavity with two open ends, the elastic element 53 is sleeved on the long plate 55, and the long plate 55 sleeved with the elastic element 53 is arranged in the accommodating cavity of the shell 51; preferably, the length of the elastic element 53 is less than or equal to the length of the accommodating cavity of the housing 51, the inner diameter of the hollow cavity of the elastic element 53 is between the width of the long plate 55 and the outer diameter of the push-pull rod 54, and the outer diameter of the elastic element 53 is not greater than the inner diameter of the accommodating cavity of the housing 51; in an example, the length of the elastic element 53 is consistent with the length of the accommodating cavity of the housing 51, the inner diameter of the hollow cavity of the elastic element 53 is consistent with the width of the long plate 55, and the outer diameter of the elastic element 53 is consistent with the inner diameter of the accommodating cavity of the housing 51; in the example, the elastic element 53 is a spring;

the long plate 55 is provided with a sliding groove 551, the hook 52 is arranged in the hollow cavity of the elastic element, an end 522 at one end of the hook 52 is buckled in the sliding groove 551 of the long plate 55, an end 522 at the other end of the hook 52 is buckled in the blind hole 5111 of the shell 51, and the length of the long plate 55 is less than that of the accommodating cavity of the shell 51.

Preferably, an arc groove 541 is formed in one end of the push-pull rod 54, which is far away from the long plate 55, and the arc groove 541 is matched with the pen point 62 of the capacitance pen 6;

the chutes include a first chute 5511, a second chute 5512, a third chute 5513, and a fourth chute 5514; the first runner 5511, the second runner 5512, the third runner 5513, and the fourth runner 5514 are connected end to end in sequence to form a circular groove shaped like a heart. In an example, the first sliding groove 5511 and the fourth sliding groove 5514 are both outward convex arc-shaped sliding grooves, and the second sliding groove 5512 and the third sliding groove 5513 are both inward concave arc-shaped sliding grooves;

one end of the bottom of the first sliding groove 5511, which is close to the second sliding groove, is higher than one end of the bottom of the second sliding groove 5512, which is close to the first sliding groove, is close to one end of the second sliding groove 5512, which is close to the third sliding groove, is higher than one end of the bottom of the third sliding groove 5513, which is close to the second sliding groove, is higher than one end of the bottom of the fourth sliding groove 5514, which is close to the first sliding groove, is higher than one end of the bottom of the first sliding groove 5511, which is close to the fourth sliding groove.

In an example, as shown in fig. 8, the bottom of the first sliding groove 5511, the bottom of the second sliding groove 5512, the bottom of the third sliding groove 5513, and the bottom of the fourth sliding groove 5514 are curved surfaces along the length direction;

one end of the bottom of the first sliding groove 5511, which is close to the second sliding groove, one end of the bottom of the second sliding groove 5512, which is close to the third sliding groove, one end of the bottom of the third sliding groove 5513, which is close to the fourth sliding groove, and one end of the bottom of the fourth sliding groove 5514, which is close to the first sliding groove, are all located on the same horizontal line;

the bottom of the first sliding groove 5511 is close to one end of the fourth sliding groove, the bottom of the second sliding groove 5512 is close to one end of the first sliding groove, the bottom of the third sliding groove 5513 is close to one end of the second sliding groove, and the bottom of the fourth sliding groove 5514 is close to one end of the third sliding groove, and the two ends are located on the same horizontal line.

In other embodiments, the bottom of the first sliding groove 5511, the bottom of the second sliding groove 5512, and the bottom of the third sliding groove 5513 are all flat surfaces, and the bottom of the fourth sliding groove 5514 is a curved surface along the length direction.

Of course, the first and fourth chutes 5511 and 5514 may exchange positions, and the second and third chutes 5512 and 5513 may exchange positions.

One end of the fourth chute 5514 close to the first chute is a first positioning portion 5515, and one end of the second chute 5512 close to the third chute is a second positioning portion 5516.

The working process of the pressing component is as follows:

when the pressing member 5 is not pressed, a long plate 55 fixedly connected to one end of a push-pull rod 54 is disposed in the accommodating cavity of the housing 51, an elastic element 53 penetrating and sleeved outside the long plate 55 supports the push-pull rod 54, the push-pull rod 54 protrudes outside the housing 51, one end of the hook 52 is fastened to the first positioning portion 5515 of the fourth sliding slot 5514, and the pressing member 5 is in the state shown in fig. 9;

when the pressing member 5 is pressed, the push-pull rod 54 moves towards the accommodating cavity of the housing 51, the long plate 55 fixedly connected with the push-pull rod 54 moves synchronously, one end of the hook 52 falls into the first sliding slot 5511 and moves to the end of the first sliding slot 5511 close to the second sliding slot, the pressing member 5 is released, one end of the hook 52 falls into the second sliding slot 5512 from the first sliding slot 5511 and moves to the second positioning position 5516 of the second sliding slot 5512, and the pressing member 5 is in the state shown in fig. 10;

when the pressing member 5 is pressed again, one end of the hook 52 falls into the third sliding slot 5513 and moves to one end of the third sliding slot 5513 close to the fourth sliding slot, and when the pressing member 5 is released, one end of the hook 52 falls into the fourth sliding slot 5514 from the third sliding slot 5513 and moves to the first positioning position 5515 of the fourth sliding slot 5514, the long plate 55 synchronously moves towards the opening end of the outer shell 51, and the push-pull rod 54 fixedly connected with the long plate 55 synchronously moves out of the accommodating cavity of the outer shell 51.

The pressing member 5 is not limited to a cylindrical body, and may be a square body, a polygonal column body, or another cylindrical body.

Next, please refer to fig. 1 and fig. 12-17, in which fig. 1 is a schematic exploded view of a rotating shaft connecting device of an auto-eject pen according to the present application, fig. 12 is a schematic exploded view of a non-damping rotating shaft according to the present application, fig. 13 is a schematic exploded view of a rotating shaft connecting device of an auto-eject pen according to another embodiment of the present application, fig. 14 is a schematic perspective view of a first damping rotating shaft in fig. 13, fig. 15 is a schematic exploded view of the first damping rotating shaft in fig. 14, fig. 16 is a schematic perspective view of a second damping rotating shaft in fig. 13, and fig. 17 is a schematic exploded view of the second damping rotating shaft in fig. 16. As shown in the figure, the rotating shaft 3 comprises a hollow mandrel, a sleeve ring and a locking piece, the two ends of the hollow mandrel are open, one end of the mandrel is a fixed end, the sleeve ring penetrates through the hollow mandrel, the locking piece is fixed to the other end of the mandrel, and the sleeve ring rotates on the hollow mandrel in a damping or non-damping mode.

Preferably, the upper support shaft lever and the lower support shaft lever are both aluminum alloy shaft levers, the mandrel of the rotating shaft 3 is a magnetic steel mandrel, and the fixed end of the mandrel is pressed into the accommodating groove at one end of the upper support shaft lever.

Preferably, the lantern ring is a steel lantern ring, and the lantern ring is pressed into the opening groove of the lower support shaft rod.

Preferably, the accommodating groove of the upper support shaft lever is a non-circular groove, the outer surface of the fixed end of the mandrel is matched with the non-circular accommodating groove, and the fixed end of the mandrel is clamped into the accommodating groove at one end of the upper support shaft lever;

preferably, the lower bracket shaft rod opening groove is a non-circular groove, the outer surface of the lantern ring is matched with the non-circular opening groove, and the lantern ring is buckled in the opening groove of the lower bracket shaft rod.

Preferably, a plurality of accommodating groove convex ridges are annularly and parallelly arranged on the inner wall of the accommodating groove of the upper support shaft lever, and the length direction of the accommodating groove convex ridges is consistent with the axial lead direction of the upper support shaft lever;

a plurality of strip tooth grooves matched with the containing groove convex ribs are annularly and parallelly distributed on the outer surface of the fixed end of the mandrel, the length direction of the strip tooth grooves is consistent with the axial lead direction of the mandrel, and the containing groove convex ribs of the upper support shaft lever are clamped in the strip tooth grooves of the fixed end of the mandrel;

preferably, a plurality of perforated groove convex ribs are annularly arranged on the inner wall of the perforated groove of the lower support shaft lever, and the length direction of the perforated groove convex ribs is consistent with the axial lead direction of the upper support shaft lever;

the lantern ring surface annular parallel distribution a plurality of with the rectangular groove that sinks of trompil groove bead assorted, rectangular groove length direction that sinks with the axial lead direction of the lantern ring is unanimous, and is a plurality of rectangular sink the groove with trompil groove bead phase-match block, trompil groove bead buckle in the rectangular inslot that sinks of the lantern ring.

The shaft 3 comprises a damped shaft 7 and an undamped shaft 8.

In one embodiment, the rotating shaft is an undamped rotating shaft 8, as shown in fig. 12, in the undamped rotating shaft 8, the mandrel is a hollow shaft 81, the collar is a shaft sleeve 82, the locking member is a snap ring 83, and one end of the hollow shaft 81 is provided with a fixed end 811; the other end of the hollow shaft 81 is provided with an annular groove 812, the shaft sleeve 82 is sleeved on the hollow shaft 81 in a penetrating manner, the snap ring 83 is buckled in the annular groove 812 of the hollow shaft 81, and the shaft sleeve 82 freely rotates on the hollow shaft 81 in a non-damping manner.

In yet another embodiment, the rotating shaft is a damping rotating shaft 7, and as shown in fig. 13, the damping rotating shaft 7 further comprises the first damping rotating shaft 71 and the second damping rotating shaft 72.

In an example, one of the lower brackets 2 is rotatably connected to one end of the upper bracket 1 through the first damping rotating shaft 71, and the other of the lower brackets 2 is rotatably connected to the other end of the upper bracket 1 through the second damping rotating shaft 72.

As shown in fig. 14 and 15, in the first damping rotating shaft 71, the core shaft is a first core shaft 711, the collar is a first concave wheel 712, and the locking member is a fixing nut 717;

the first damping rotating shaft 71 comprises a first mandrel 711, a first concave wheel 712, a first cam 713, a first sound-insulating gasket 714, a plurality of first elastic sheets 715, a gasket 716 and a fixing nut 717, wherein the first concave wheel 712, the first cam 713, the first sound-insulating gasket 714, the first elastic sheets 715, the gasket 716 and the fixing nut 717 are sequentially sleeved at one end of the first mandrel in a penetrating mode, and the fixing nut 717 is screwed and fixed on the first mandrel 711.

The first mandrel 711 is a hollow mandrel, the first mandrel 711 comprises a buckle section 7111, a convex section 7112, a round rod section 7113 and a sleeve penetrating section 7114 which are sequentially and integrally connected, the buckle section 7111 is fixed in a containing groove of an upper bracket shaft rod, a plurality of protrusions are annularly and equidistantly distributed on the outer surface of the convex section 7112, the round rod section 7113 is a smooth round rod, the sleeve penetrating section 7114 is a non-round rod, and one end, away from the round rod section, of the sleeve penetrating section 7114 is provided with an external thread matched with an internal thread of a fixing nut;

the first concave wheel 712 is sleeved on the round rod section 7113 of the first mandrel in a penetrating manner, and the first concave wheel 712 is in limit connection with the convex section 7112 of the first mandrel 711; in an example, the first concave wheel 712 is provided with a through circular hole along the axial lead direction, the end face at one end of the first concave wheel 712 is provided with a plurality of convex blocks 7121 at equal intervals in a ring shape, the plurality of convex blocks 7121 are limited between adjacent bulges of the first mandrel, and the end face at the other end of the first concave wheel 712 is a wavy surface 7123 which is convex-concave alternated along the circumferential direction of the first concave wheel;

the first cam 713 is clamped in the penetrating section 7114 of the first mandrel, and the first cam 713 is in damping connection with the first concave wheel 712; in an example, the first cam 713 is provided with a through hole matching with the first core shaft penetrating sleeve section in the axial lead direction, and one end of the first cam 713 is provided with a curved surface 7131 matching with the wave surface of the first concave wheel.

The edge of the first sound-insulating spacer 714 is provided with a plurality of gaps for eliminating strain deformation, and in an example, the plurality of gaps are uniformly arranged in a ring shape;

one end of the first damping rotating shaft 71 is fixed in the accommodating groove at one end of the upper bracket shaft rod through a buckle section of the first mandrel, and the other end of the first damping rotating shaft 71 is fixed in the perforated groove of the lower bracket shaft rod through a first concave wheel 712;

the lower support 2 is fixed, the first concave wheel 712 fixedly connected with the lower support 2 is synchronously fixed, the upper support 1 is pushed and pulled, the first mandrel 711 clamped on the upper support 1 rotates synchronously, and the first cam 713 clamped on the first mandrel rotates along the wave surface 7123 of the first concave wheel 712 in a damping manner.

As shown in fig. 16 and 17, in the second damping rotating shaft 72, the spindle is a second spindle 721, the collar is a second concave wheel 722, and the locking member is a locking nut 726;

the second damping rotating shaft 72 includes a second mandrel 721, a second concave wheel 722, a second cam 723, a second sound-insulating spacer 724, a plurality of second elastic sheets 725, a locking nut 726 and a torsion spring 727, the second concave wheel, the second cam and the second sound-insulating spacer are sequentially sleeved on the second mandrel, the locking nut 726 is screwed and fixed on the second mandrel 721, and the torsion spring 727 located outside the locking nut 726 is sleeved on the second mandrel 721.

The second mandrel 721 is a hollow mandrel, the second mandrel 721 comprises a connecting section 7211, a limiting section 7212, a polished rod section 7213 and a fixing section 7214 which are sequentially and integrally connected, the connecting section 7211 is fixed in a containing groove of an upper support shaft lever, a plurality of stoppers are annularly distributed on the outer surface of the limiting section 7212 at equal intervals, the polished rod section 7213 is a cylindrical polished rod, the fixing section 7214 is a non-circular rod, and an outer surface of one end, away from the rotating section, of the fixing section 7214 is provided with an external thread matched with an internal thread of a locking nut;

the second concave wheel 722 is sleeved on the polished rod section 7213 of the second mandrel in a penetrating manner, the second concave wheel 722 is connected with the limiting section 7212 of the second mandrel in a limiting manner, a through hole is formed in the second concave wheel 722 along the axial lead direction, a plurality of flanges 7221 are annularly arranged on the end face of one end of the second concave wheel 722 at equal intervals, the plurality of flanges 7221 are limited between adjacent stop blocks of the second mandrel, and convex-concave surfaces 7223 which are alternately convex and concave along the circumferential direction of the second concave wheel are arranged on the end face of the other end of the second concave wheel 722;

the second cam 723 is sleeved on the fixing section 7214 of the second mandrel in a clamping manner, the second cam 723 is in damping connection with the second concave wheel 723, a sleeve hole matched with the fixing section of the second mandrel in a clamping manner is formed in the second cam 723 along the axial lead direction, and a contact surface 7231 matched with the convex surface and the concave surface of the second concave wheel is arranged at one end of the second cam 723;

the edge of the second sound-insulating gasket 724 is provided with a plurality of notches for eliminating strain deformation, and in an example, the notches are uniformly distributed in a ring shape;

the torsion spring 727 comprises a bending section and a straightening section connected with one end of the bending section, the bending section is provided with a hole in the stretching direction, one side of the bending section, which is far away from the straightening section, is provided with a connecting ring clamped with a second mandrel, and the connecting ring is fixedly connected with the bending section;

in an example, a limiting hole is arranged at the bottom of the perforated groove of one lower support shaft rod, and the straight section is inserted into the limiting hole in the perforated groove.

One end of the second damping rotating shaft 72 is fixed in the accommodating groove at the other end of the upper bracket shaft lever through the connecting section of the second mandrel, and the other end of the second damping rotating shaft 72 is fixed in the perforated groove of the lower bracket shaft lever through the second concave wheel 722;

the lower bracket 2 is fixed, the second concave wheel 722 fixedly connected with the lower bracket 2 is synchronously fixed, the upper bracket 1 is pushed and pulled, the torsion spring 727 synchronously twists, the second mandrel 721 sheathed on the upper bracket 1 synchronously rotates, and the second cam 723 sheathed on the second mandrel rotates along the convex-concave surface 7223 of the second concave wheel 722 in a damping manner.

The utility model provides a pivot connecting device of automatic ejection pen's beneficial effect is:

(1) according to the rotating shaft connecting device for the automatic ejection pen, the end pen bin is arranged at the end part of the rotating device and used for placing the capacitance pen, the carrying and the use are convenient, and no extra space is occupied; the capacitance pen is provided with the pressing part, and the capacitance pen can be pressed and popped out, so that the capacitance pen is convenient to take and use;

(2) according to the rotating shaft connecting device for the automatic ejection pen, the capacitance pen can be adsorbed in the end pen bin, is not easy to fall off, and is convenient to carry;

(3) according to the rotating shaft connecting device for the automatic ejection pen, the end pen bin in the upper support shaft lever is long, material escape is not easy to occur during processing, and the upper support shaft lever is provided with the mounting opening, so that the material escape during processing is facilitated, and the pressing part is convenient to mount;

(4) the utility model provides a pivot connecting device of automatic pen that pops out, its lower carriage adopts the components of a whole that can function independently design, makes the pivot can be followed inside and outside installation, and the required precision to product part and subassembly is lower a little relatively, increases the yield of product production, reduces bad loss and the processing degree of difficulty.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "yet another embodiment," "other embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications and variations may be made therein by those of ordinary skill in the art within the scope of the present invention.

Claims (14)

1. A rotating shaft connecting device of an automatic pop-up pen is characterized by comprising an upper bracket (1), a lower bracket (2), a rotating shaft (3), an end pen bin (4) and a pressing part (5);

the upper bracket (1) is provided with an upper bracket shaft lever, and two ends of the upper bracket shaft lever are respectively provided with an accommodating groove;

the lower support (2) is provided with a lower support shaft rod, and one end of the lower support shaft rod is provided with a hole opening groove;

the two ends of the upper bracket shaft lever are respectively and rotatably connected with the lower bracket shaft lever through the rotating shaft (3);

one end of the rotating shaft (3) is accommodated in the accommodating groove of the upper bracket shaft lever, and the other end of the rotating shaft (3) is accommodated in the perforated groove of the lower bracket shaft lever;

the end pen bin (4) penetrates through the rotating shaft (3) from the lower support shaft lever to the upper support shaft lever, one end of the end pen bin (4) starts from one end, far away from the hole opening groove, of the lower support shaft lever, and the other end of the end pen bin (4) is arranged in the upper support shaft lever;

a pressing bin (101) is arranged in the upper support shaft rod, the pressing bin (101) is communicated with the end pen bin (4), the central axis of the pressing bin (101) is consistent with the central axis of the end pen bin (4), and the pressing part (5) is fixed in the pressing bin (101).

2. The rotating shaft connecting device for the automatic ejection pen is characterized by further comprising a capacitance pen (6), wherein the capacitance pen (6) comprises a pen holder (61) and a pen point (62) fixedly connected with the pen holder, and a magnet (611) is arranged in the pen holder (61).

3. The hinge connecting device of a pop-up pen according to claim 2, wherein the hinge (3) is a magnetic metal hinge;

the capacitance pen (6) extends into the end pen bin (4), and the magnet (611) of the pen holder (61) is magnetically adsorbed to the rotating shaft (3);

or the capacitance pen (6) is pressed, and the pressing component (5) ejects the capacitance pen (6) from the end pen chamber (4).

4. The device for connecting the rotating shaft of the automatic ejection pen according to claim 1, wherein the rotating shaft (3) comprises a hollow mandrel with two open ends, a collar and a locking member, one end of the mandrel is a fixed end, the collar is sleeved on the upper hollow shaft, the locking member is fixed on the other end of the mandrel, and the collar rotates on the hollow shaft in a damped or non-damped manner;

the rotating shaft (3) comprises a damping rotating shaft (7) and a non-damping rotating shaft (8).

5. The hinge connecting device of an automatic ejection pen according to claim 1, wherein the pressing member (5) comprises a housing (51), a hook (52), an elastic member (53), a push-pull rod (54), and a long plate (55) fixedly connected to one end of the push-pull rod;

the shell (51) is provided with an opening end and an accommodating cavity communicated with the opening end, a groove (511) is formed in the shell along the radial direction, the groove (511) is far away from the opening end of the shell (51), the groove (511) is communicated with the accommodating cavity, and the bottom of the groove (511) is provided with a blind hole (5111);

the clamping hook (52) comprises a cross rod (521) and end heads (522), and the two ends of the cross rod (521) are respectively and vertically connected with the end heads (522);

the elastic element (53) is provided with a hollow cavity with two open ends, the elastic element (53) is sleeved on the long plate (55), and the long plate (55) sleeved with the elastic element (53) is arranged in the accommodating cavity of the shell (51);

the long plate (55) is provided with a sliding groove (551), the clamping hook (52) is arranged in a hollow cavity of the elastic element (53), the end head (522) at one end of the clamping hook (52) is clamped in the sliding groove (551) of the long plate (55), and the end head (522) at the other end of the clamping hook (52) is clamped in the blind hole (5111) of the shell (51).

6. The shaft connecting device for automatically ejecting pens as claimed in claim 5, wherein the outer diameter of the push-pull rod (54) is smaller than or equal to the inner diameter of the accommodating cavity of the outer housing (51), and the width of the long plate (55) is smaller than the outer diameter of the push-pull rod (54).

The inner diameter of a hollow cavity of the elastic element (53) is between the width of the long plate (55) and the outer diameter of the push-pull rod (54), and the outer diameter of the elastic element (53) is not larger than the inner diameter of an accommodating cavity of the shell (51).

7. The hinge connecting apparatus of an automatic pop-up pen according to claim 6, wherein the sliding slots comprise a first sliding slot (5511), a second sliding slot (5512), a third sliding slot (5513), and a fourth sliding slot (5514); the first sliding groove (5511), the second sliding groove (5512), the third sliding groove (5513) and the fourth sliding groove (5514) are sequentially connected end to form a circular groove which is similar to a heart shape.

One end, close to the second sliding groove, of the bottom of the first sliding groove (5511) is higher than one end, close to the first sliding groove, of the bottom of the second sliding groove (5512), one end, close to the third sliding groove, of the bottom of the second sliding groove (5512) is higher than one end, close to the second sliding groove, of the bottom of the third sliding groove (5513), one end, close to the fourth sliding groove, of the bottom of the third sliding groove (5513) is higher than one end, close to the third sliding groove, of the bottom of the fourth sliding groove (5514), one end, close to the first sliding groove, of the bottom of the fourth sliding groove (5514) is higher.

8. The spindle connecting device of an automatic ejection pen according to claim 7, wherein the first chute bottom, the second chute bottom, the third chute bottom and the fourth chute bottom are curved surfaces along a length direction;

one end of the bottom of the first sliding groove (5511) close to the second sliding groove, one end of the bottom of the second sliding groove (5512) close to the third sliding groove, one end of the bottom of the third sliding groove (5513) close to the fourth sliding groove and one end of the bottom of the fourth sliding groove (5514) close to the first sliding groove are all located on the same horizontal line;

one end of the bottom of the first sliding groove (5511) is close to one end of the fourth sliding groove, one end of the bottom of the second sliding groove (5512) is close to one end of the first sliding groove, one end of the bottom of the third sliding groove (5513) is close to the second sliding groove, and one end of the bottom of the fourth sliding groove (5514) is close to the third sliding groove are located on the same horizontal line.

9. The device for connecting a rotating shaft of an automatic ejecting pen according to claim 7, wherein the bottom of the first sliding groove, the bottom of the second sliding groove and the bottom of the third sliding groove are all flat surfaces, and the bottom of the fourth sliding groove is a curved surface along the length direction.

10. The shaft connecting device of an automatic ejecting pen according to any one of claims 8 or 9, wherein one end of the fourth sliding slot (5514) near the first sliding slot is a first positioning point (5515), and one end of the second sliding slot (5512) near the third sliding slot is a second positioning point (5516);

when the pressing part (5) is not pressed, a long plate (55) fixedly connected with one end of a push-pull rod (54) is arranged in an accommodating cavity of the shell (51), an elastic element (53) penetrating and sleeved outside the long plate (55) props against the push-pull rod (54), the push-pull rod (54) protrudes out of the shell (51), and one end of a hook (52) is buckled at a first positioning part (5515) of a fourth sliding groove (5514);

pressing the pressing part (5), enabling the push-pull rod (54) to move towards the accommodating cavity of the shell (51) and synchronously move with the long plate (55) fixedly connected with the push-pull rod (54), enabling one end of the hook (52) to fall into the first sliding groove (5511) and move to one end, close to the second sliding groove, of the first sliding groove (5511), loosening the pressing part (5), enabling one end of the hook (52) to fall into the second sliding groove (5512) from the first sliding groove (5511), and moving to the second positioning position (5516) of the second sliding groove (5512);

and the pressing part (5) is pressed again, one end of the hook (52) falls into the third sliding groove (5513), the hook moves to one end, close to the fourth sliding groove, of the third sliding groove (5513), the pressing part (5) is loosened, one end of the hook (52) falls into the fourth sliding groove (5514) from the third sliding groove (5513), the hook moves to the first positioning position (5515) of the fourth sliding groove (5514), the long plate (55) synchronously moves towards the opening end of the outer shell (51), and the push-pull rod (54) fixedly connected with the long plate (55) synchronously moves out of the accommodating cavity of the outer shell (51).

11. The hinge connecting apparatus for automatically ejecting a pen according to claim 1, wherein the upper frame further comprises a hole cover (102);

the upper bracket shaft rod is provided with an installation opening (103), the length direction of the installation opening (103) is consistent with the central axis direction of the upper bracket shaft rod, the hole cover (102) is matched with the installation opening (103), and the hole cover (102) is detachably installed on the installation opening (103);

the mounting port (103) is communicated with the end pen bin (4) and/or the pressing bin (101), and the pressing component (5) is fixed in the pressing bin (101) through the mounting port (103).

12. The rotating shaft connecting device for the automatic ejection pen of claim 4, wherein the upper support shaft rod and the lower support shaft rod are both aluminum alloy shaft rods, the core shaft of the rotating shaft (3) is a magnetic steel core shaft, the fixed end of the core shaft is pressed into the accommodating groove at one end of the upper support shaft rod, the sleeve ring is a steel sleeve ring, and the sleeve ring is pressed into the open hole groove of the lower support shaft rod.

13. The device for connecting a rotating shaft of an automatic ejecting pen according to claim 4, wherein the receiving groove of the shaft lever of the upper holder is a non-circular groove, the outer surface of the fixed end of the spindle is matched with the non-circular receiving groove, and the fixed end of the spindle is snapped into the receiving groove at one end of the shaft lever of the upper holder;

the opening groove of the lower support shaft lever is a non-circular groove, the outer surface of the lantern ring is matched with the non-circular opening groove, and the lantern ring is buckled in the opening groove of the lower support shaft lever.

14. The shaft connecting device for automatically ejecting pens as claimed in claim 4, wherein the inner wall of the receiving groove of the upper frame shaft is annularly provided with a plurality of receiving groove ridges in parallel, and the length direction of the receiving groove ridges is the same as the axial line direction of the upper frame shaft;

a plurality of strip tooth grooves matched with the containing groove convex ribs are annularly and parallelly distributed on the outer surface of the fixed end of the mandrel, the length direction of the strip tooth grooves is consistent with the axial lead direction of the mandrel, and the containing groove convex ribs of the upper support shaft lever are clamped in the strip tooth grooves of the fixed end of the mandrel;

a plurality of perforated groove convex ridges are annularly arranged on the inner wall of the perforated groove of the lower support shaft lever, and the length direction of the perforated groove convex ridges is consistent with the axial lead direction of the upper support shaft lever;

the lantern ring surface annular parallel distribution a plurality of with the rectangular groove that sinks of trompil groove bead assorted, rectangular groove length direction that sinks with the axial lead direction of the lantern ring is unanimous, and is a plurality of rectangular sink the groove with trompil groove bead phase-match block, trompil groove bead buckle in the rectangular inslot that sinks of the lantern ring.

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