Automatic coupling of a pen cap and an inner bushing

Abstract

The application discloses a kind of automatic connecting device of pen sleeve and inner bushing, including connecting mechanism;It is used to connect pen grip and pen sleeve and inner bushing;Further including transmission assembly, transmission assembly outside is equipped with lower clamping mechanism and upper clamping mechanism, by transmission assembly top end is equipped with pusher assembly and drives upper clamping mechanism along transmission assembly axial and is engaged with lower clamping mechanism, and make lower clamping mechanism and transmission assembly adhere to rotation, to realize that upper clamping mechanism and lower clamping mechanism respectively clamped pen grip and pen sleeve are rotated and locked;In the application, pen grip and pen sleeve are abutted by upper clamping mechanism and lower clamping mechanism clamping, simultaneously lower clamping mechanism drives pen sleeve to rotate, so that pen sleeve and pen grip are connected, and there is no belt in the clamping assembly in the upper clamping mechanism, so that pen sleeve and pen grip rotate and connect, and pen sleeve and pen grip rotate synchronously after tightening, to avoid rotation transition when pen grip and pen sleeve are connected, to avoid pen sleeve damage.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pen assembly, in particular to an automatic connecting device for pen sleeve and inner sleeve. BACKGROUND

[0002] A pen is a writing tool mainly made of metal as a pen body, which contains ink in a hollow pen tube, and writes through gravity and capillary action, and through a duckbill type pen head.

[0003] A utility model patent with publication number CN213007248U and the name of "an automatic connecting device for pen sleeve and inner sleeve", authorized on April 20, 2021, includes a mounting seat, a power mechanism, a rotating rod, a touch disc, and a start-stop mechanism. The power mechanism is fixed in the mounting seat, one end of the rotating rod is connected with the power mechanism, the rotating rod extends out of the mounting seat, the touch disc is movably arranged outside the rotating rod, the start-stop mechanism is arranged between the touch disc and the mounting seat, and the start-stop mechanism includes a starting piece and a stopping piece. The starting piece and the stopping piece are fixed on the mounting seat. The utility model places the inner sleeve outside the rotating rod, then places the pen sleeve outside the inner sleeve, the touch disc is below the pen sleeve, the finger fixes the pen sleeve and moves downward, when the touch disc moves downward, the touch disc first touches the starting piece to make the rotating rod start to rotate, the touch disc continues to move downward until it touches the stopping piece, the rotating rod stops rotating, the inner sleeve is fixed with the pen sleeve through threaded connection, and the speed is fast and the efficiency is high.

[0004] The existing technology including the above patent has the following disadvantages: during the assembly of the pen, the inner sleeve is in the pen sleeve, the inner sleeve is sleeved in the pen holder, and the pen holder and the pen sleeve are fixed through threaded connection. At present, mechanical rotation is adopted to rotate and fix the pen holder and the pen sleeve, so that the pen holder and the pen sleeve are excessively rotated, causing damage to the pen sleeve. SUMMARY

[0005] The present application aims to provide an automatic connecting device for pen sleeve and inner sleeve, which clamps the pen holder and the pen sleeve through the upper clamping mechanism and the lower clamping mechanism, rotates the pen sleeve through the lower clamping mechanism, and rotates and connects the pen sleeve and the pen holder. The belt is not sleeved in the clamping assembly in the upper clamping mechanism, so that the pen sleeve and the pen holder rotate synchronously after being tightened during the rotation and connection of the pen sleeve and the pen holder, avoiding excessive rotation of the pen holder and the pen sleeve during the rotation and connection, and causing damage to the pen sleeve.

[0006] In order to achieve the above object, the application adopts the following technical scheme: a pen sleeve and inner sleeve automatic connecting device, comprising a connecting mechanism; it is used for connecting pen grip and pen sleeve and inner sleeve; further comprising a transmission assembly, the outer side of the transmission assembly is provided with a lower clamping mechanism and an upper clamping mechanism, the top of the transmission assembly is provided with a push assembly, the upper clamping mechanism is driven by the push assembly to engage with the lower clamping mechanism along the axial direction of the transmission assembly, and the lower clamping mechanism is combined with the transmission assembly to rotate, so that the upper clamping mechanism and the lower clamping mechanism respectively clamp the pen grip and the pen sleeve to realize the rotary locking; one side of the transmission assembly is provided with a feeding assembly, the top of the feeding assembly is provided with a reciprocating assembly, and the reciprocating assembly is engaged with the transmission assembly, so that the transmission assembly drives the feeding assembly to move through the reciprocating assembly, and the feeding assembly is convenient for intermittent feeding of the upper clamping mechanism and the lower clamping mechanism.

[0007] Further description of the above technical scheme:

[0008] The transmission assembly comprises a transmission shaft, the top of the transmission shaft is fixedly connected with a transmission gear, the bottom of the transmission shaft is fixedly connected with a driving motor, and the top of the driving motor is fixedly connected with a base.

[0009] Further description of the above technical scheme:

[0010] The base comprises a mounting plate, the top of the mounting plate is fixedly connected with a connecting sleeve, the top of the connecting sleeve is fixedly connected with a fixed shaft seat in array, the outer side of the fixed shaft seat is rotatably connected with a rotating wheel, and the rotating wheel is combined with the transmission shaft, the top of the fixed shaft seat is fixedly connected with a convex sleeve, the outer side of the fixed shaft seat is fixedly connected with a fixed ring, the top of the fixed ring is fixedly connected with a supporting spring, and the top of the supporting spring is fixedly connected with a rotating ring.

[0011] Further description of the above technical scheme:

[0012] The reciprocating assembly comprises a convex gear, and the convex gear is engaged with the transmission gear, one end of the convex gear is fixedly connected with a rotating arm, the rotating arm is rotatably connected with a support rod, and one end of the support rod away from the rotating arm is rotatably connected with a connecting shaft.

[0013] Further description of the above technical scheme:

[0014] The feeding assembly comprises a connecting plate, the two ends of the connecting plate are respectively fixedly connected with a discharging frame and a guide frame, and the guide frame is fixedly connected with the connecting shaft, the two ends of the discharging frame and the guide frame are respectively fixedly connected with a guide cover, a limiting rod is penetratingly arranged in the inner side of the guide cover, the limiting rod is fixedly connected on a limiting frame, the bottom of the limiting frame is fixedly connected with a support, and the support is fixed on the mounting plate.

[0015] Further description of the above technical scheme:

[0016] The lower clamping mechanism comprises a sleeve, a top tooth ring is fixedly connected to the top end of the sleeve, clamping frames are fixedly connected to the outer side of the sleeve, a guide frame is fixedly connected to the top end of the clamping frame, driven wheels are symmetrically and rotatably connected to the inner side of the clamping frame, a clamping assembly is arranged between the two driven wheels, and the clamping assembly penetrates the sleeve.

[0017] Further description of the above technical solution:

[0018] The upper clamping mechanism comprises a movable sleeve, a lower tooth ring is fixedly connected to the bottom end of the movable sleeve, and the lower tooth ring is matched with the upper tooth ring, clamping frames are fixedly connected to the circumferential surface of the movable sleeve, positioning rollers are symmetrically and rotatably connected to the inner side of the clamping frame, a clamping assembly is arranged between the two positioning rollers, and the clamping assembly penetrates the movable sleeve.

[0019] Further description of the above technical solution:

[0020] The clamping assembly comprises a mounting frame, a movable strip is movably arranged in the inner side of the mounting frame, an abutting wheel is rotatably connected to one end of the movable strip, a belt is sleeved on the outer side of the abutting wheel, a clamping roller is sleeved on the end of the belt away from the abutting wheel, connecting rods are arranged at both ends of the clamping roller, and the connecting rods are fixed on the movable strip.

[0021] Further description of the above technical solution:

[0022] The pen holder comprises a pen barrel, a screw tooth is arranged at the bottom end of the pen barrel, a limiting piece is fixedly connected to the bottom end of the pen barrel, an ink tube is fixedly connected to the inner side of the limiting piece, an inner sleeve is sleeved on the outer side of the ink tube, a locking piece is rotatably connected to the outer side of the inner sleeve, and a pen sleeve is connected to the other end of the locking piece.

[0023] Further description of the above technical solution:

[0024] The locking piece comprises a sleeve ring, a buckle is fixedly connected to the top end of the sleeve ring, a guide rod is fixedly connected to the bottom end of the sleeve ring, a tooth ring is connected to the bottom end of the guide rod, a tension spring is fixedly connected to the top end of the tooth ring, and the tension spring is sleeved on the guide rod.

[0025] The present application provides an automatic connecting device for a pen sleeve and an inner sleeve, which has the following advantages

[0026] Advantages:

[0027] In the application, the pen holder and the pen sleeve clamped by the upper clamping mechanism and the lower clamping mechanism abut, and the pen sleeve is rotated by the lower clamping mechanism, so that the pen sleeve and the pen holder are rotationally connected. The pen sleeve and the pen holder are not sleeved with a belt in the clamping assembly of the upper clamping mechanism, so that the pen sleeve and the pen holder rotate synchronously after being screwed tightly in the process of rotationally connecting the pen sleeve and the pen holder, avoiding the rotation transition of the pen holder and the pen sleeve during the rotationally connecting the pen holder and the pen sleeve, and causing damage to the pen sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 A structure diagram of the automatic connecting device for the pen sleeve and the inner sleeve of a pen is provided in the application;

[0029] Figure 2 A structure diagram of the connecting mechanism in the application is provided;

[0030] Figure 3 A structure diagram of the reciprocating assembly in the application is provided;

[0031] Figure 4 A structure diagram of the feeding assembly in the application is provided;

[0032] Figure 5 A structure diagram of the transmission assembly in the application is provided;

[0033] Figure 6 A structure diagram of the rotating ring in the application is provided;

[0034] Figure 7 A structure diagram of the lower clamping mechanism in the application is provided;

[0035] Figure 8 A structure diagram of the upper clamping mechanism in the application is provided;

[0036] Figure 9 A structure diagram of the Figure 7 A partial diagram of A in the application is provided;

[0037] Figure 10 A structure diagram of the pen holder in the application is provided;

[0038] Figure 11 A structure diagram of the limiting piece in the application is provided;

[0039] Figure 12 A structure diagram of the pen sleeve in the application is provided;

[0040] Figure 13 A structure diagram of the locking piece in the application is provided.

[0041] LEGEND:

[0042] 1, connecting mechanism; 11, base; 111, mounting plate; 112, rotating ring; 1121, support spring; 1222, fixed ring; 1223, rotating wheel; 1224, fixed shaft seat; 1125, connecting sleeve; 113, protruding sleeve; 114, transmission gear; 115, transmission shaft rod; 116, drive motor; 12, transmission assembly; 13, lower clamping mechanism; 131, barrel sleeve; 134, upper tooth ring; 135, clamping frame; 136, guide frame; 137, driven wheel; 138, clamping assembly; 1381, mounting frame; 1382, movable strip; 1383, abutting wheel; 1384, return spring; 1385, connecting rod; 1386, belt; 1387, clamping roller; 14, upper clamping mechanism; 141, movable barrel; 142, lower tooth ring; 143, clamping frame; 144, positioning roller; 145, clamping assembly; 15, pushing assembly; 16, feeding assembly; 161, support; 162, directional frame; 163, material guide frame; 164, connecting plate; 165, blanking frame; 166, limiting frame; 167, limiting rod; 168, guide cover; 17, reciprocating assembly; 171, protruding gear; 172, rotating arm; 173, support rod; 174, connecting shaft; 2, pen grip; 21, pen barrel; 22, screw tooth; 23, ink tube; 24, limiting piece; 241, limiting ring; 242, locking block; 243, stop block; 25, locking piece; 251, sleeve ring; 252, buckle; 253, guide rod; 254, tension spring; 255, tooth ring; 26, inner bushing; 3, pen sleeve; 31, outer shell; 32, threaded groove; 33, threaded tooth groove. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments.

[0044] REFERENCE Figures 1-13The utility model provides an automatic connecting device of pen sleeve and inner bushing, including connecting mechanism 1, it is used for connecting pen grip 2 and pen sleeve 3 and inner bushing 26, still including transmission assembly 12, transmission assembly 12 outside is equipped with lower clamping mechanism 13 and upper clamping mechanism 14, through transmission assembly 12 top end is equipped with pusher assembly 15 and drives upper clamping mechanism 14 along transmission assembly 12 axial and with lower clamping mechanism 13 meshing, and makes lower clamping mechanism 13 and transmission assembly 12 fit and rotate, to realize that upper clamping mechanism 14 and lower clamping mechanism 13 respectively clamped pen grip 2 and pen sleeve 3 rotation lock, transmission assembly 12 one side is equipped with feeding assembly 16, and feeding assembly 16 top end is equipped with reciprocating assembly 17, and reciprocating assembly 17 and transmission assembly 12 meshing, to realize that transmission assembly 12 through reciprocating assembly 17 drives feeding assembly 16 and moves, and it is convenient for feeding assembly 16 to the intermittent feeding of upper clamping mechanism 14 and lower clamping mechanism 13. Specifically, connecting mechanism 1 including transmission assembly 12, upper clamping mechanism 14 and lower clamping mechanism 13, transmission assembly 12 drives the eccentric shaft rotation of meshing pusher assembly 15 in the pusher assembly 15, and the eccentric shaft drives the upper clamping mechanism 14 of movable connection of push rod connection and moves along transmission assembly 12 axial, make upper clamping mechanism 14 and lower clamping mechanism 13 meshing, and simultaneously push lower clamping mechanism 13 and transmission assembly 12 fit, make transmission assembly 12 rotation and drive upper clamping mechanism 14 and lower clamping mechanism 13 along transmission assembly 12 rotation, the pen grip 2 and pen sleeve 3 of being located upper clamping mechanism 14 and lower clamping mechanism 13 clamping abut, and lower clamping mechanism 13 drives pen sleeve 3 rotation, make pen sleeve 3 and pen grip 2 and rotate and connect, the feeding assembly 16 of being located transmission assembly 12 one end is through reciprocating assembly 17 and transmission assembly 12 meshing, it is convenient for feeding assembly 16 to the intermittent feeding of upper clamping mechanism 14 and lower clamping mechanism 13, and the utility model discloses in motion rotation, upper clamping mechanism 14 and lower clamping mechanism 13 on transmission assembly 12 are in the separation state, and the feeding assembly 16 discharge end and upper clamping mechanism 14 and lower clamping mechanism 13 the feeding end are in the horizontal alignment state, when transmission assembly 12 rotates, upper clamping mechanism 14 and lower clamping mechanism 13 in the process of pusher assembly 15 close, and feeding assembly 16 is away from the feeding end of upper clamping mechanism 14 and lower clamping mechanism 13 under the action of reciprocating assembly 17, when upper clamping mechanism 14 and lower clamping mechanism 13 complete pen grip 2 and pen sleeve 3 rotation lock and separate, and feeding assembly 16 is supplemented to upper clamping mechanism 14 and lower clamping mechanism 13 under the action of reciprocating assembly 17, to realize that the utility model discloses pen grip 2 and pen sleeve 3 lock assembly between high efficiency, need not manual intervention, avoid pen grip 2 and pen sleeve 3 lock excessive, lead to pen sleeve 3 damage.

[0045] The transmission assembly 12 comprises a transmission shaft 115, the top end of the transmission shaft 115 is fixedly connected with a transmission gear 114, the bottom end of the transmission shaft 115 is fixedly connected with a driving motor 116, and the top end of the driving motor 116 is fixedly connected with a base 11; the base 11 comprises a mounting plate 111, the top end of the mounting plate 111 is fixedly connected with a connecting sleeve 1125, the top end of the connecting sleeve 1125 is fixedly connected with a fixed shaft seat 1224 in an array, the outer side of the fixed shaft seat 1224 is rotatably connected with a rotating wheel 1223, the rotating wheel 1223 is in abutment with the transmission shaft 115, the top end of the fixed shaft seat 1224 is fixedly connected with a protruding sleeve 113, the outer side of the fixed shaft seat 1224 is fixedly connected with a fixed ring 1222, the top end of the fixed ring 1222 is fixedly connected with a supporting spring 1121, and the top end of the supporting spring 1121 is fixedly connected with a rotating ring 112; specifically, the transmission assembly 12 comprises a transmission shaft 115 for transmission, the transmission gear 114 fixedly connected at the top end of the transmission shaft 115 is in a convex letter structure, the transmission gear 114 is used for transmission of the engaged pushing assembly 15 and reciprocating assembly 17, the driving motor 116 fixedly connected at the bottom end of the transmission shaft 115 serves as a power output end, the driving motor 116 is fixedly installed on the mounting plate 111, the connecting sleeve 1125 fixedly connected on the mounting plate 111 is fixedly connected with the protruding sleeve 113, the protruding sleeve 113 and the connecting sleeve 1125 are fixedly connected through the fixed shaft seat 1224, the fixed shaft seat 1224 is rotatably connected with the rotating wheel 1223, and the rotating wheel 1223 is in abutment with the transmission shaft 115, when the pushing assembly 15 abuts the rotating wheel 1223 with the upper clamping mechanism 14 and the lower clamping mechanism 13, the rotating wheel 1223 rotates under the transmission shaft 115 to drive the upper clamping mechanism 14 and the lower clamping mechanism 13 to rotate, so as to rotatably connect the upper clamping mechanism 14 and the lower clamping mechanism 13 with the pen holder 2 and the pen sleeve 3, when the pushing assembly 15 drives the upper clamping mechanism 14 and the lower clamping mechanism 13 to separate, the rotating ring 112 fixedly connected with the lower clamping mechanism 13 separates from the rotating wheel 1223 under the elastic potential of the supporting spring 1121, the upper clamping mechanism 14 and the lower clamping mechanism 13 stop rotating after separating, and the feeding assembly 16 replenishes the material, the device is simple in structure, flexible to use, and is worth being widely promoted;

[0046] The reciprocating assembly 17 comprises a convex gear 171, and the convex gear 171 is engaged with the transmission gear 114, one end of the convex gear 171 is fixedly connected with a rotating arm 172, the rotating arm 172 is rotatably connected with a support rod 173, one end of the support rod 173 away from the rotating arm 172 is rotatably connected with a connecting shaft 174; the feeding assembly 16 comprises a connecting plate 164, both ends of the connecting plate 164 are fixedly connected with a discharging frame 165 and a guide frame 163 respectively, and the guide frame 163 is fixedly connected with the connecting shaft 174, both ends of the discharging frame 165 and the guide frame 163 are fixedly connected with a guide cover 168, the guide cover 168 is provided with a limiting rod 167 penetrating through the inside, the limiting rod 167 is fixedly connected with a limiting frame 166, the limiting frame 166 is fixedly connected with a support 161 at the bottom end, and the support 161 is fixed on the mounting plate 111; specifically, the convex gear 171 in the reciprocating assembly 17 is engaged with the transmission gear 114, the rotating arm 172 fixedly connected with one end of the convex gear 171 is deviated from the center of the convex gear 171 at the connecting position with the support rod 173, when the convex gear 171 rotates, the connecting shaft 174 connected with the support rod 173 drives the feeding assembly 16 to move, the discharging frame 165 and the guide frame 163 in the feeding assembly 16 are fixedly connected through the connecting plate 164, the discharging frame 165 and the guide frame 163 are movably arranged in the limiting frame 166, and the guide frame 163 is fixedly connected with the connecting shaft 174, the connecting shaft 174 is arranged in the directional frame 162, when the support rod 173 drives the connecting shaft 174 to move directionally along the directional frame 162, the connecting shaft 174 drives the discharging frame 165 and the guide frame 163 to reciprocate along the perpendicular state with the transmission assembly 12, so that the feeding assembly 16 intermittently feeds the upper clamping mechanism 14 and the lower clamping mechanism 13 in the rotation period of the reciprocating assembly 17, the limiting rod 167 fixedly connected with the limiting frame 166 penetrates through the guide cover 168 fixedly arranged on the discharging frame 165 and the guide frame 163, when the discharging frame 165 and the guide frame 163 move, the limiting rod 167 abuts against the guide cover 168 fixedly arranged on the material clamping spring plate, so that the material clamping spring plate sends the clamped material, so that the material falls into the upper clamping mechanism 14 and the lower clamping mechanism 13, the convenience of feeding of the device is improved, the structure is simple, the use is flexible, and it is worth being widely promoted;

[0047] The lower clamping mechanism 13 comprises a sleeve 131, the top end of the sleeve 131 is fixedly connected with an upper tooth ring 134, the outer side of the sleeve 131 is fixedly connected with an array of clamping frames 135, the top end of the clamping frame 135 is fixedly connected with a guide frame 136, the inner side of the clamping frame 135 is rotatably connected with two driven wheels 137, a clamping assembly 138 is arranged between the two driven wheels 137, and the clamping assembly 138 penetrates the sleeve 131; the upper clamping mechanism 14 comprises a movable sleeve 141, the bottom end of the movable sleeve 141 is fixedly connected with a lower tooth ring 142, the lower tooth ring 142 is matched with the upper tooth ring 134, the circumferential surface of the movable sleeve 141 is fixedly connected with an array of clamping frames 143, the inner side of the clamping frame 143 is rotatably connected with two positioning rollers 144, a clamping assembly 145 is arranged between the two positioning rollers 144, and the clamping assembly 145 penetrates the movable sleeve 141; the clamping assembly 138 comprises a mounting frame 1381, the inner side of the mounting frame 1381 movably has an active strip 1382, one end of the active strip 1382 is rotatably connected with an abutting wheel 1383, the outer side of the abutting wheel 1383 is sleeved with a belt 1386, one end of the belt 1386 away from the abutting wheel 1383 is sleeved with a clamping roller 1387, the two ends of the clamping roller 1387 are provided with connecting rods 1385, and the connecting rods 1385 are fixed on the active strip 1382; specifically, the mounting frame 1381 of the clamping assembly 138 is installed in the movable sleeve 141 of the lower clamping mechanism 13, the active strip 1382 is movably connected in the mounting frame 1381, the abutting wheel 1383 rotatably connected at one end of the active strip 1382 is sleeved with the belt 1386, and the other end of the belt 1386 is sleeved with the clamping roller 1387, at the same time, the belt 1386 sleeved with the abutting wheel 1383 abuts against the convex sleeve 113, when the lower clamping mechanism 13 rotates under the drive of the rotating wheel 1223, the abutting wheel 1383 and the belt 1386 abutting against the convex sleeve 113 move, the belt 1386 drives the sleeved clamping roller 1387 to rotate, when the abutting wheel 1383 abuts against the convex position of the convex sleeve 113, the active strip 1382 moves along the mounting frame 1381 to clamp the pen sleeve 3 in the clamping frame 135 of the lower clamping mechanism 13, under the action of the belt 1386, the active strip 1382 drives the pen sleeve 3 to rotate, when the abutting wheel 1383 separates from the convex position of the convex sleeve 113, the active strip 1382 releases the clamped pen sleeve 3 under the elasticity of the reset spring 1384, the pen sleeve 3 connected with the pen holder 2 is released, the material is returned, the belt 1386 is not sleeved in the clamping assembly 145 of the upper clamping mechanism 14, so that the pen sleeve 3 and the pen holder 2 rotate and connect at the same time, the pen sleeve 3 and the pen holder 2 are tightened and rotate synchronously, avoiding the rotation transition of the pen holder 2 and the pen sleeve 3 when they are rotatably connected, which causes damage to the pen sleeve 3.The difference between the clamping assembly 138 and the clamping assembly 145 in the upper clamping mechanism 14 and the lower clamping mechanism 13 is that the clamping assembly 138 is sleeved with a belt 1386, while the clamping assembly 145 is not sleeved with a belt 1386. The other components are mirror image mechanisms, and the detailed structure of the upper clamping mechanism 14 is not described.

[0048] The pen holder 2 comprises a pen barrel 21, a screw tooth 22 is arranged at the bottom end of the pen barrel 21, a limiting piece 24 is fixedly connected to the bottom end of the pen barrel 21, a pen ink pipe 23 is fixedly connected to the inner side of the limiting piece 24, an inner sleeve 26 is sleeved on the outer side of the pen ink pipe 23, a locking piece 25 is rotatably connected to the outer side of the inner sleeve 26, and the other end of the locking piece 25 is connected to a pen sleeve 3; the locking piece 25 comprises a sleeve ring 251, a buckle 252 is fixedly connected to the top end of the sleeve ring 251, a guide rod 253 is fixedly connected to the bottom end of the sleeve ring 251, a tooth ring 255 is connected to the bottom end of the guide rod 253, a tension spring 254 is fixedly connected to the top end of the tooth ring 255, and the tension spring 254 is sleeved on the guide rod 253; specifically, the pen barrel 21 and the shell 31 in the pen sleeve 3 are threadedly connected, the limiting piece 24 and the pen ink pipe 23 are fixedly connected to the bottom end of the pen barrel 21, the inner sleeve 26 is sleeved on the pen ink pipe 23, the locking piece 25 is rotatably connected to the outer side of the inner sleeve 26, the sleeve ring 251 in the locking piece 25 is rotatably arranged on the inner sleeve 26, the guide rod 253 fixedly connected to the bottom end of the sleeve ring 251 is movably connected to the tooth ring 255, the tooth ring 255 is matched with the screw tooth groove 33 fixedly connected to the inside of the shell 31, when the screw tooth 22 fixedly connected to the pen barrel 21 is engaged with the thread groove 32 arranged at the top end of the shell 31, the buckle 252 fixedly connected to the top end of the sleeve ring 251 is locked with the limiting piece 24 fixedly connected to the pen barrel 21, the locking block 242 fixedly connected to the limiting ring 241 in the limiting piece 24 is clamped with the buckle 252, and the buckle 252 moves to the abutting block 243 fixedly connected to the limiting ring 241, at the same time, the screw tooth groove 33 in the rotating shell 31 is threadedly connected with the tooth ring 255, and the tooth ring 255 moves axially along the screw tooth groove 33, the tooth ring 255 drives the movement of the fixedly connected tension spring 254, so that the tension spring 254 is stressed to tightly fix the pen sleeve 3 with the pen holder 2, so as to avoid the phenomenon that the pen sleeve 3 is excessively rotated and damaged.

[0049] Working principle: the connecting mechanism 1 includes transmission assembly 12, upper clamping mechanism 14 and lower clamping mechanism 13, the transmission assembly 12 drives the eccentric shaft in the meshing push assembly 15 to rotate, the eccentric shaft drives the upper clamping mechanism 14 connected with the movable connecting push rod to move axially along the transmission assembly 12, so that the upper clamping mechanism 14 is engaged with the lower clamping mechanism 13, and at the same time, the lower clamping mechanism 13 is combined with the transmission assembly 12, so that the rotation of the transmission assembly 12 drives the upper clamping mechanism 14 and the lower clamping mechanism 13 to rotate along the transmission assembly 12, the pen grip 2 and the pen sleeve 3 located in the upper clamping mechanism 14 and the lower clamping mechanism 13 abut, and at the same time, the lower clamping mechanism 13 is driven by the rotating wheel 1223 to rotate, so that the abutting wheel 1383 combined with the convex sleeve 113 and the belt 1386 move, so that the belt 1386 drives the clamping roller 1387 sleeved with the pen sleeve 3 to rotate, so that the pen sleeve 3 is rotationally connected with the pen grip 2, the belt 1386 is not sleeved in the clamping assembly 145 in the upper clamping mechanism 14, so that the pen sleeve 3 and the pen grip 2 are screwed and rotated synchronously after the pen sleeve 3 and the pen grip 2 are screwed, avoiding the rotation transition of the pen grip 2 and the pen sleeve 3 when they are rotationally connected, which causes damage to the pen sleeve 3; secondly, the feeding assembly 16 located at one end of the transmission assembly 12 is engaged with the transmission assembly 12 through the reciprocating assembly 17, so that the feeding assembly 16 can intermittently feed the upper clamping mechanism 14 and the lower clamping mechanism 13, when the device rotates, the upper clamping mechanism 14 and the lower clamping mechanism 13 on the transmission assembly 12 are in a separated state, the discharge end of the feeding assembly 16 is horizontally aligned with the feeding end of the upper clamping mechanism 14 and the lower clamping mechanism 13, when the transmission assembly 12 rotates, the upper clamping mechanism 14 and the lower clamping mechanism 13 are close to each other in the process of the pushing assembly 15, and the feeding assembly 16 is away from the feeding end of the upper clamping mechanism 14 and the lower clamping mechanism 13 under the action of the reciprocating assembly 17, when the upper clamping mechanism 14 and the lower clamping mechanism 13 complete the rotationally locked and separated of the pen grip 2 and the pen sleeve 3, the feeding assembly 16 supplements the material of the upper clamping mechanism 14 and the lower clamping mechanism 13 under the action of the reciprocating assembly 17, so as to realize the efficient locking and assembling of the pen grip 2 and the pen sleeve 3 without manual intervention, avoiding the locking of the pen grip 2 and the pen sleeve 3, which causes damage to the pen sleeve 3.

[0050] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for automatic connection of a pen cap and an inner sleeve of a fountain pen, characterized in that, It includes connecting mechanism (1), it is used to connect pen grip (2) and pen cover (3) and inner bushing (26); It also includes transmission assembly (12), the lower clamping mechanism (13) and upper clamping mechanism (14) are set outside transmission assembly (12), the upper clamping mechanism (14) is driven along transmission assembly (12) axial direction and is engaged with lower clamping mechanism (13) by the push assembly (15) being provided with at the top of transmission assembly (12), and lower clamping mechanism (13) is combined with transmission assembly (12) and rotates, to realize the rotation locking of pen grip (2) and pen cover (3) that upper clamping mechanism (14) and lower clamping mechanism (13) respectively clamp; Transmission assembly (12) includes transmission shaft rod (115), the top end fixedly connected with transmission gear (114), the bottom end fixedly connected with drive motor (116), the top end fixedly connected with base (11) of drive motor (116); The base (11) includes mounting plate (111), the top end fixedly connected with connecting sleeve (1125), the top end array fixedly connected with fixed shaft seat (1224) of connecting sleeve (1125), the outer side rotatably connected with rotating wheel (1223) of fixed shaft seat (1224), and rotating wheel (1223) is combined with transmission shaft rod (115), the top end fixedly connected with convex sleeve (113) of fixed shaft seat (1224), the outer side fixedly connected with fixed ring (1222) of fixed shaft seat (1224), the top end fixedly connected with support spring (1121) of fixed ring (1222), the top end fixedly connected with rotating ring (112) of support spring (1121); The lower clamping mechanism (13) includes cylinder sleeve (131), the top end fixedly connected with upper tooth ring (134) of cylinder sleeve (131), the outer side array fixedly connected with clamping frame (135) of cylinder sleeve (131), the top end fixedly connected with guide frame (136) of clamping frame (135), the inner side rotatably connected with driven wheel (137) of clamping frame (135), the clamping assembly (138) is arranged between two driven wheels (137), and clamping assembly (138) penetrates cylinder sleeve (131); The upper clamping mechanism (14) includes movable cylinder (141), the bottom end fixedly connected with lower tooth ring (142) of movable cylinder (141), and lower tooth ring (142) is adapted with upper tooth ring (134), the array fixedly connected with clamping frame (143) of movable cylinder (141) periphery, the inner side rotatably connected with positioning roller (144) of clamping frame (143), the clamping assembly (145) is arranged between two positioning rollers (144), and clamping assembly (145) penetrates movable cylinder (141); The clamping assembly (138) comprises a mounting frame (1381), a movable strip (1382) movably arranged inside the mounting frame (1381), a contact wheel (1383) rotatably connected to one end of the movable strip (1382), a belt (1386) sleeved outside the contact wheel (1383), a clamping roller (1387) sleeved at an end of the belt (1386) away from the contact wheel (1383), and connecting rods (1385) provided at both ends of the clamping roller (1387) and fixed on the movable strip (1382). The transmission assembly (12) is provided with a feeding assembly (16) on one side, the feeding assembly (16) is provided with a reciprocating assembly (17) at the top end, and the reciprocating assembly (17) is engaged with the transmission assembly (12), so that the transmission assembly (12) drives the feeding assembly (16) to move through the reciprocating assembly (17), and the feeding assembly (16) can intermittently feed the upper clamping mechanism (14) and the lower clamping mechanism (13). The feeding assembly (16) comprises a connecting plate (164), and a discharging frame (165) and a guide frame (163) are fixedly connected to both ends of the connecting plate (164), and the guide frame (163) is fixedly connected with a connecting shaft (174); the discharging frame (165) and the guide frame (163) are fixedly connected with guide covers (168) at both ends, respectively; the guide covers (168) are provided with limiting rods (167) penetrating through the inside; the limiting rods (167) are fixedly connected with limiting frames (166); the limiting frames (166) are fixedly connected with supports (161) at the bottom end, and the supports (161) are fixed on the mounting plate (111); the limiting rods (167) abut against the guide covers (168) fixed on the spring plate for clamping materials, so that the spring plate for clamping materials feeds the clamped materials, and the materials fall into the upper clamping mechanism (14) and the lower clamping mechanism (13). The reciprocating assembly (17) comprises a convex gear (171), and the convex gear (171) is engaged with a transmission gear (114); one end of the convex gear (171) is fixedly connected with a rotating arm (172); the rotating arm (172) is rotatably connected with a support rod (173); and one end of the support rod (173) away from the rotating arm (172) is rotatably connected with a connecting shaft (174).

2. A device for the automatic coupling of a pen cap and an inner bushing according to claim 1, characterized in that The pen holder (2) comprises a pen barrel (21), a screw (22) is formed at the bottom end of the pen barrel (21), a limiting piece (24) is fixedly connected to the bottom end of the pen barrel (21), an ink tube (23) is fixedly connected to the inside of the limiting piece (24), an inner bushing (26) is sleeved outside the ink tube (23), a locking piece (25) is rotatably connected to the outside of the inner bushing (26), and the other end of the locking piece (25) is connected with a pen sleeve (3).

3. A device for the automatic connection of a pen cap and an inner bushing according to claim 2, characterized in that The locking piece (25) comprises a collar ring (251), a buckle (252) is fixedly connected to the top end of the collar ring (251), a guide rod (253) is fixedly connected to the bottom end of the collar ring (251), a tooth ring (255) penetrates and is connected to the bottom end of the guide rod (253), a tension spring (254) is fixedly connected to the top end of the tooth ring (255), and the tension spring (254) is sleeved on the guide rod (253).

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