CN109203776A

CN109203776A - A kind of pen of telescopic double pen cores

Info

Publication number: CN109203776A
Application number: CN201811327369.8A
Authority: CN
Inventors: 帅向义
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-08
Filing date: 2018-11-08
Publication date: 2019-01-15

Abstract

The invention discloses a kind of pens of telescopic double pen cores, including rotating block, what the rotating block lower end surface offseted is provided with a platform, the lower bayonet slot that several opening upwards and annular array are placed is installed in upper platform upper surface, the right and left the lower bayonet slot upper end wall connection be provided in the rotating block and symmetrical upper card slot, present device structure is simple, it is easy to use, pen is in shortening state when not in use, it occupies little space, it is easy to carry, this pen is when in use, it can be according to the length for changing pen using comfortable and habit of user, this pen is provided with double pen cores, two different colors can be used, also same color can be used, another pen core can be switched to after pen and ink are finished, it does not need to carry another pen constantly, improve the convenience of device.

Description

A kind of pen of telescopic double pen cores

Technical field

The present invention relates to learning tool fields, and in particular to a kind of pen of telescopic double pen cores.

Background technique

Existing pen can only fill a pen core, especially teacher master worker etc. need to article carry out different colours modification with And when writing, when needing to use the pen of another one-pen or another different colours, need to replace, go out carry when It takes up space, since pen is more elongated, is easy to appear the case where losing loss, and the length of pen is too long, child does not allow when in use Easily promptly, there is certain limitation, this equipment effectively solves the problems, such as this.

Summary of the invention

The purpose of the present invention is to provide a kind of pens of telescopic double pen cores, and the above-mentioned of the prior art can be overcome to lack It falls into.

According to the present invention, the pen of the telescopic double pen cores of one kind of present device, including rotating block, under the rotating block What end face offseted a be provided with platform, is installed with several opening upwards in upper platform upper surface and annular array is placed Lower bayonet slot, the right and left the lower bayonet slot upper end wall connection be provided in the rotating block and symmetrical upper card Slot, the interior sliding of the upper card slot are provided with fixture block, and the fixture block protrudes into the lower bayonet slot and sliding with the lower bayonet slot end wall Dynamic to be cooperatively connected, it is semicircular structure that the fixture block, which protrudes into the end face in the lower bayonet slot, the fixture block upper surface and it is described on It is provided with elastic spring between card slot upper end wall, is installed with engagement chamber in upper platform, the engagement chamber lower end wall connection It is provided with extended cavity, what is rotated in the engagement chamber upper end wall is provided with switch block, the setting that the upper switch block lower end surface offsets There is lower switch block, the upper switch block chamber of upper and lower intercommunication is installed in the upper switch block, the upper switch block chamber lower end wall connection is provided with Lower switch block chamber in the lower switch block, the lower switch block chamber and the upper switch block chamber left hand end wall connection are provided with circle The circle card chamber of shape, the round fixed restricted bar of card chamber right end wall, the upper switch block chamber upper end wall connection are provided with positioned at institute The rotating block chamber that in rotating block and intercommunication is connected to exterior space up and down is stated, the intracavitary sliding of rotating block is provided with from outside The spline long axis that space is protruded into, spline long axis sliding protrude into the upper switch block it is intracavitary and with the upper switch block chamber lower end wall It offsets, intercommunication and symmetrical elongated slot up and down is installed in the spline long axis, that slides in the elongated slot is provided with stock, The holding rod positioned at exterior space is installed between the stock upper surface, the elongated slot lower end wall connection is provided with positioned at described Switching chamber be connected in spline long axis and with the upper switch block chamber, the switching chamber be installed between end wall up and down before and after symmetrically Fixed block is installed with fixed rotating shaft between fixed block end face close to each other, and the fixed rotating shaft outer surface is installed with one Previous rear and symmetrical kelly, the ipsilateral circle card that the kelly protrudes into top is intracavitary, and the kelly protrudes into described The idler wheel of the end rotation in surface of circle card chamber being provided with the sliding connection of the outer end wall of the round card chamber of top.

Further technical solution is installed with the bullet of opening outwardly in the fixed block and stretches slot, is installed in the kelly The kelly slot of opening inwardly, the interior sliding of the kelly slot are provided with block in kelly slot, and what is rotated in block in the kelly slot sets It is equipped with bullet and stretches shaft, the bullet, which stretches shaft sliding and protrudes into the ipsilateral bullet, to be stretched in slot, and shaft of the bullet stretching protrudes into the bullet and stretches The end face of slot and the bullet, which are stretched, is installed with spring between trough end wall, be provided with above block in the kelly slot and turn with the kelly The dynamic stretching bull stick being cooperatively connected, the stretching bull stick is rotatably assorted with the ipsilateral stock lower end surface to be connect, and described lower turn Block chamber lower end wall is provided with spring.

Further technical solution, the upper switch block outer surface are installed with first gear, described first gear or so end face Engagement is provided with symmetrical second gear, is installed in the second gear and is rotatably assorted with the chamber upper end wall that engages The thread spindle of connection, the second gear underface are provided with downward opening thread groove, and what the thread spindle rotated down stretches Enter in the thread groove, what the outer surface thread of the thread spindle was cooperatively connected be provided in the thread groove and with it is described The lifter plate of screw thread trough end wall sliding connection, the cunning chamber for being provided with annular of the extended cavity left hand end wall connection are described Lower switch block outer surface is installed with sliding plate, and it is intracavitary and be slidably connected with the sliding chamber end wall, institute that the sliding plate protrudes into the cunning It states lower switch block lower end surface and is installed with splined post, the interior spline for being installed with upper and lower intercommunication, the spline internal spline cooperation Connection is provided with splined shaft, and the splined shaft extends downwardly the spline.

Further technical solution, the outer end of splined shaft are rotatably assorted being provided with and the lifter plate lower end of connection The platform of starting writing of face secure fit connection is provided on the outside of the thread groove positioned at upper platform inner opening downward and be annular Round and smooth slot, the interior circle that promising hollow circular is set and connect with the platform upper surface secure fit of starting writing slided of the round and smooth slot Plate, the plectane are moved down with the platform of starting writing, and reduce the upper stratum between platform and the platform of starting writing.

Further technical solution is installed with downward opening gear cavity, lower end wall among the gear cavity in platform of starting writing The working chamber for being provided with upper and lower intercommunication of connection, lower end wall connection at left and right sides of the gear cavity be provided with opening upwards and Symmetrical working edge chamber, the working edge chamber the right on the left side are provided with the 6th gear cavity of opening upwards, the spline The gear cavity is protruded into axis rotation, and the gear cavity outer surface is installed with the third gear in the gear cavity, described Being provided with of third gear or so end face engagement protrudes into that the working edge is intracavitary and symmetrical 4th gear, the 4th tooth It is installed with the shaft that goes out for the connection that is rotatably assorted with the working edge chamber end wall in wheel, is installed with opening court in the shaft out Interior spiral slide chamber, the side limiting groove for being provided with left and right intercommunication of the end wall connection of the spiral slide chamber inwardly, the spiral slide That slides in chamber end wall is provided with elevating lever, and the side limiting groove that passes through of the elevating lever sliding protrudes into the working chamber.

Further technical solution, the gear cavity lower section are provided with the 5th tooth for being fixed on the splined shaft lower end surface Wheel, the 5th gear left side engagement are provided with the 6th gear protruded into the 6th gear cavity, the 6th gear It is inside installed with the screw thread horizontal axis for the connection that is rotatably assorted with the 6th gear cavity end wall, penetrating for the screw thread horizontal axis rotation is described It is rotatably assorted in working chamber and with the working chamber right end wall and connect, the setting that the screw thread horizontal axis outer surface thread is cooperatively connected There is the platform out with end wall sliding connection before and after the working chamber, downward opening pen out is installed in the platform out Chamber, the chamber left hand end wall connection out are provided with left and right intercommunication and symmetrical lifting sliding slot, and the lifting sliding slot is remote The limiting groove for being provided with left and right intercommunication of end wall connection from the chamber out, the width of the limiting groove and the side limiting groove Degree is of same size with the elevating lever, and the width of the lifting sliding slot is greater than the width of the limiting groove.

Further technical solution, the interior sliding of lifting sliding slot are provided with symmetrical block, the liter Passing through described ipsilateral block and protruding into the intracavitary elevating lever with another side of pen out for drop bar sliding offsets, the pen Downward opening chamber is installed in block, the intracavitary sliding of pen is provided with pen core, the pen core upper surface and described chamber It is provided with non-slip mat between end wall, slides the pen core down.

Further technical solution, what the following end wall screw-internal thread fit of working chamber connected is provided with out buccal mass, described The outlet plenum of upper and lower intercommunication is installed in buccal mass out, the pen core protrudes into the outlet plenum, and the effect of the fixture block is to prevent The rotating block voluntarily rotates, and the spiral slide chamber is special helix, the direction of rotation phase of the spiral slide chamber on both sides Instead.

The beneficial effects of the present invention are:

In the initial state due to present device, above structure is made to be located at initial position in the initial state, it can be subsequent It is adjusted in work, effectively improves the working regularity of equipment.

When equipment operation, the platform of starting writing is held on the other hand, and another hand rotates the rotating block, makes the spline long axis Rotation, so that the kelly be made to rotate, the kelly on the right pushes the limitation bar of top to make the upper switch block rotation, from And the first gear is rotated, since the first gear engages mating connection with the second gear, make the rotation, from And rotate the thread spindle, connect since the thread spindle is threadedly engaged with the lifter plate, and the splined shaft with it is described The connection of spline spline fitted, moves down the lifter plate and the splined shaft, to drive the plectane and institute State platform of starting writing to move down, extend pen, when need pen core stretching out the outlet plenum write when, due to the spline long axis with The rotating block chamber spline fitted connection, pushes the spline long axis to move down the spline long axis, since the bullet is stretched Shaft and the bullet are stretched and are provided with spring between slot, and when the spline long axis moves down, the idler wheel is in the round card chamber Moved inwards under the extruding of lower end wall, so that the idler wheel be made to skid off the round card chamber of top, and squeeze the bullet stretch slot with The bullet stretches the spring between shaft, when the spline long axis is snapped down to the idler wheel by the following round card chamber, institute It states that bullet stretches slot and the bullet stretches spring acting between shaft that the idler wheel sprung into the following circle card is intracavitary, and makes described Spline long axis squeezes the spring on the lower switch block chamber lower end wall, and the spline long axis and the switching chamber are slidably matched company at this time It connects, the rotation of the spline long axis will not make the upper switch block rotation, rotate the rotating block, make the roller pushing on the right The following limitation bar makes the lower switch block rotation rotate the third gear so that the splined post be driven to rotate, Since the third gear is engaged with the 4th gear, rotate the 4th gear, and the 4th gear on both sides turns To on the contrary, to the rotation that keeps the spiral slide cavity direction on both sides opposite, due to the side limiting groove and the limiting groove Limiting the elevating lever can only move up and down, and the rotation of the spiral slide chamber on the left side makes the elevating lever on the left side to moving up It is dynamic, move up the described block on the left side, the spiral slide chamber rotation on the right moves down the described block on the right, together When, the rotation of the splined shaft rotates the 5th gear, since the 5th gear engages cooperation with the 6th gear Connection rotates the screw thread horizontal axis, connect since the screw thread horizontal axis is threadedly engaged with the platform out, makes a platform out It is moved to the left, so that described block be driven to be moved to the left, the pen core on the right is skidded off into the outlet plenum, it is another when needing to use When a kind of pen core, the rotating block is inverted, when pen needs to retract, pulls the holding rod, makes the holding rod to moving up It is dynamic, it carries the stretching bull stick upwards, so that the kelly be made to move inwards, makees in the spring of the lower switch block chamber lower end wall Under, moves up the spline long axis and the circle card for making the idler wheel protrude into top is intracavitary, when needing refill When, it is connect since the buccal mass out is threadedly engaged with the working chamber end wall, moves down the buccal mass out and skid off the work Make chamber, pen core is replaced, to improve the diversity and linkage of pen.

Present device structure is simple, easy to use, and pen is in shortening state when not in use, occupies little space, Easy to carry, this pen when in use, can be provided with according to the length for changing pen using comfortable and habit of user, this pen Double pen cores can be used two different colors, same color also can be used, and can switch to after pen and ink are finished another Pen core, does not need to carry another pen constantly, improves the convenience of device.

The above, the specific embodiment only invented, but invent protection scope be not limited thereto, it is any without The change or replacement that creative work is expected are crossed, should all be covered within the protection scope of invention.Therefore, the protection scope of invention It should be determined by the scope of protection defined in the claims.

Detailed description of the invention

It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only to invent Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings；

Fig. 1 is the overall structure diagram of the pen of the telescopic double pen cores of one kind of the invention；

Fig. 2 is the schematic diagram in the direction A-A in Fig. 1；

Fig. 3 is the schematic diagram in the direction B-B in Fig. 1；

Fig. 4 is the schematic diagram that C amplifies in Fig. 1；

Fig. 5 is the schematic diagram in the direction D-D in Fig. 4.

Specific embodiment

All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.

Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only It is an example in a series of equivalent or similar characteristics.

As shown in Figs. 1-5, for sake of convenience, now hereafter described orientation is provided as follows: described in hereafter up and down Front-rear direction is consistent with the front-rear direction up and down of Fig. 1 projection relation itself, the telescopic double pen cores of one kind of the invention Pen, including rotating block 100, what 100 lower end surface of rotating block offseted a be provided with platform 101, upper 101 upper surface of platform Inside it is installed with the lower bayonet slot 102 that several opening upwards and annular array are placed, 102 upper end wall of the lower bayonet slot of the right and left Connection be provided in the rotating block 100 and symmetrical upper card slot 104, that slides in the upper card slot 104 sets It is equipped with fixture block 103, the fixture block 103 is protruded into the lower bayonet slot 102 and is slidably connected with 102 end wall of lower bayonet slot, It is semicircular structure, 103 upper surface of fixture block and the upper card that the fixture block 103, which protrudes into the end face in the lower bayonet slot 102, It is provided with elastic spring between 104 upper end wall of slot, is installed with engagement chamber 110 in upper platform 101, under the engagement chamber 110 End wall connection is provided with extended cavity 116, and what is rotated in engagement 110 upper end wall of chamber is provided with switch block 109, described upper to turn Switch block 117 under being provided with that 109 lower end surface of block offsets is installed with the upper switch block chamber 164 of upper and lower intercommunication in the upper switch block 109, The lower switch block chamber 161 of upper 164 lower end wall of the switch block chamber connection being provided in the lower switch block 117, the lower switch block What chamber 161 and upper 164 left hand end wall of switch block chamber were connected to is provided with circular round card chamber 150, round 150 right end of card chamber The fixed restricted bar 160 of wall, upper 164 upper end wall of the switch block chamber connection are provided in the rotating block 100 and up and down The rotating block chamber 162 that intercommunication is connected to exterior space, what being provided with of sliding in the rotating block chamber 162 was protruded into from exterior space Spline long axis 107, what the spline long axis 107 slided protrude into the upper switch block chamber 164 and with upper 164 lower end of switch block chamber Wall offsets, and intercommunication and symmetrical elongated slot 108 up and down are installed in the spline long axis 107, is slided in the elongated slot 108 It is provided with stock 106, is installed with the holding rod 105 positioned at exterior space between 106 upper surface of stock, under the elongated slot 108 The switching chamber 163 of end wall connection being provided in the spline long axis 107 and be connected to the upper switch block chamber 164, it is described Switching about 163 end wall of chamber between be installed with front and back symmetrically fixed block 149, the fixed block 149 end face close to each other it Between be installed with fixed rotating shaft 159,159 outer surface of fixed rotating shaft is installed with kelly 155 one in front and one in back and symmetrically, institute It states kelly 155 to protrude into the ipsilateral round card chamber 150 of top, the kelly 155 protrudes into the end face of the round card chamber 150 The idler wheel 154 of rotation being provided with the sliding connection of the outer end wall of the round card chamber 150 of top.

Valuably, wherein be installed with the bullet of opening outwardly in the fixed block 149 and stretch slot 151, consolidate in the kelly 155 Equipped with opening kelly slot 158 inwardly, that slides in the kelly slot 158 is provided with block 156 in kelly slot, in the kelly slot The bullet that is provided with rotated in block 156 stretches shaft 157, and the bullet, which stretches the sliding of shaft 157 and protrudes into the ipsilateral bullet, to be stretched in slot 151, Shaft 157 of the bullet stretching protrudes into that the bullet stretches the end face of slot 151 and the bullet is stretched and is installed with spring between 151 end wall of slot, described The top of block 156 is provided with the stretching bull stick 147 for the connection that is rotatably assorted with the kelly 155, the stretching bull stick in kelly slot 147 are rotatably assorted with ipsilateral 106 lower end surface of the stock connect, and lower 161 lower end wall of switch block chamber is provided with spring.

Valuably, wherein upper 109 outer surface of switch block is installed with first gear 112, the first gear 112 or so End face engagement is provided with symmetrical second gear 111, is installed in the second gear 111 and engages chamber 110 with described Upper end wall is rotatably assorted the thread spindle 113 of connection, is provided with downward opening thread groove 123 immediately below the second gear 111, What the thread spindle 113 rotated down protrudes into the thread groove 123, and the outer surface thread of the thread spindle 113 is cooperatively connected Be provided in the thread groove 123 and the lifter plate 124 with 123 end wall of thread groove sliding connection, it is described The cunning chamber 114 for being provided with annular of 116 left hand end wall of extended cavity connection, lower 117 outer surface of switch block are installed with sliding plate 115, The sliding plate 115 is protruded into the sliding chamber 114 and is slidably connected with sliding 114 end wall of chamber, lower 117 lower end of switch block Face is installed with splined post 119, the interior spline 118 for being installed with upper and lower intercommunication, and 118 internal spline of spline is cooperatively connected Be provided with splined shaft 120, the splined shaft 120 extends downwardly the spline 118.

Valuably, wherein 120 outer end face of splined shaft be rotatably assorted connection be provided with under the lifter plate 124 The platform 125 of starting writing of end face secure fit connection is provided on the outside of the thread groove 123 positioned at upper 101 inner opening court of platform Round and smooth slot 121 lower and for annular, the promising hollow circular of setting slided in the round and smooth slot 121 and with the platform 125 of starting writing The plectane 122 of upper surface secure fit connection, the plectane 122 moves down with the platform 125 of starting writing, and makes upper platform Stratum between 101 and the platform 125 of starting writing reduces.

Valuably, wherein downward opening gear cavity 126 is installed in platform 125 of starting writing, under 126 centre of gear cavity The working chamber 152 for being provided with upper and lower intercommunication of end wall connection, the lower end wall connection of 126 left and right sides of gear cavity are provided with Opening upwards and symmetrical working edge chamber 133 are provided with the 6th of opening upwards on the right of the working edge chamber 133 on the left side Gear cavity 132, what the splined shaft 120 rotated protrudes into the gear cavity 126, and 126 outer surface of gear cavity, which is installed with, to be located at Third gear 127 in the gear cavity 126, being provided with for 127 or so end face of third gear engagement protrude into the work In side chamber 133 and symmetrical 4th gear 128, it is installed with and 133 end wall of working edge chamber in the 4th gear 128 Be rotatably assorted connection goes out a shaft 134, it is described go out a shaft 134 in be installed with opening spiral slide chamber 135 inwardly, the spiral shell The side limiting groove 137 for being provided with left and right intercommunication of the end wall connection of sliding chamber 135 inwardly is revolved, is slided in 135 end wall of spiral slide chamber Dynamic is provided with elevating lever 136, and what the elevating lever 136 slided protrudes into the working chamber 152 across the side limiting groove 137 It is interior.

Valuably, wherein the 5th tooth for being fixed on 120 lower end surface of splined shaft is provided with below the gear cavity 126 Wheel 129,129 left side of the 5th gear engagement are provided with the 6th gear 130 protruded into the 6th gear cavity 132, The screw thread horizontal axis 131 for the connection that is rotatably assorted with 132 end wall of the 6th gear cavity is installed in 6th gear 130, it is described Penetrating in the working chamber 152 and being rotatably assorted with the 152 right end wall of working chamber for the rotation of screw thread horizontal axis 131 is connect, described What 131 outer surface thread of screw thread horizontal axis was cooperatively connected is provided with to go out with what the 152 front and back end wall of working chamber was slidably connected Platform 138, it is described go out a platform 138 in be installed with it is downward opening go out a chamber 139, it is described go out 139 left hand end wall of chamber connection It is provided with left and right intercommunication and symmetrical lifting sliding slot 140, end wall of the lifting sliding slot 140 far from the chamber 139 out The limiting groove 141 for being provided with left and right intercommunication of connection, the width of the limiting groove 141 and the side limiting groove 137 with it is described Elevating lever 136 it is of same size, and it is described lifting sliding slot 140 width be greater than the limiting groove 141 width.

Valuably, wherein that slides in the lifting sliding slot 140 is provided with symmetrical block 142, the liter What drop bar 136 slided passes through described ipsilateral block 142 and protrudes into the elevating lever in a chamber 139 out with another side 136 offset, and downward opening chamber 143 is installed in described block 142, and that slides in described chamber 143 is provided with pen core 144, it is provided with non-slip mat between 144 upper surface of pen core and described 143 end wall of chamber, slides down the pen core 144 not It is dynamic.

Valuably, wherein what the following end wall screw-internal thread fit of the working chamber 152 connected is provided with out buccal mass 145, described The outlet plenum 146 of upper and lower intercommunication is installed in buccal mass 145 out, the pen core 144 protrudes into the outlet plenum 146, the fixture block 103 effect is to prevent the rotating block 100 from voluntarily rotating, the spiral slide chamber 135 be special helix, both sides it is described The direction of rotation of spiral slide chamber 135 is opposite.

Present device in the initial state, makes above structure be located at initial position in the initial state, can be subsequent It is adjusted in work, effectively improves the working regularity of equipment.

When equipment operation, the platform 125 of starting writing is held on the other hand, and another hand rotates the rotating block 100, makes the flower Bond distance's axis 107 rotates, so that the kelly 155 be made to rotate, the kelly 155 on the right pushes the limitation bar 160 of top Rotate the upper switch block 109, to make the first gear 112 rotate, due to the first gear 112 and second tooth 111 engagement of wheel is cooperatively connected, and makes the rotation, so that the thread spindle 113 be made to rotate, due to the thread spindle 113 with it is described Lifter plate 124 is threadedly engaged connection, and the splined shaft 120 is connect with 118 spline fitted of spline, makes the lifter plate 124 and the splined shaft 120 move down, so that the plectane 122 and the platform 125 of starting writing be driven to move down, make Pen elongation, when need to stretch out pen core into the outlet plenum 146 write when, due to the spline long axis 107 and the rotating block chamber The connection of 162 spline fitteds, pushes the spline long axis 107 to move down the spline long axis 107, since the bullet stretches shaft 157 and the bullet stretch and be provided with spring between slot 151, when the spline long axis 107 moves down, the idler wheel 154 is in institute It states and is moved inwards under the extruding of round 150 lower end wall of card chamber, so that the idler wheel 154 is made to skid off the round card chamber 150 of top, and Squeeze that the bullet stretches slot 151 and the bullet stretches spring between shaft 157, when the spline long axis 107 is snapped down to the idler wheel 154 by the following round card chamber 150 when, the bullet stretches slot 151 and the bullet stretches the spring acting between shaft 157 for institute It states idler wheel 154 to spring into the following round card chamber 150, and the spline long axis 107 is made to squeeze lower 161 lower end of switch block chamber Spring on wall, the spline long axis 107 is slidably connected with the switching chamber 163 at this time, and the spline long axis 107 turns It is dynamic that the upper switch block 109 will not be made to rotate, the rotating block 100 is rotated, pushes the idler wheel 154 on the right following described Bar 160 is limited, the lower switch block 117 is rotated, so that the splined post 119 be driven to rotate, makes 127 turns of the third gear It is dynamic, since the third gear 127 is engaged with the 4th gear 128, rotate the 4th gear 128, and the institute on both sides It states the 4th gear 128 and turns to the rotation on the contrary, to keep the spiral slide chamber 135 on both sides contrary, due to the margin Slot 137 and the limiting groove 141 processed limit the elevating lever 136 and can only move up and down, the spiral slide chamber 135 on the left side Rotation moves up the elevating lever 136 on the left side, moves up the described block 142 on the left side, the spiral on the right Sliding chamber 135, which rotates, moves down the described block 142 on the right, meanwhile, the rotation of the splined shaft 120 makes the 5th gear 129 rotations, since the 5th gear 129 engages mating connection with the 6th gear 130, make 131 turns of the screw thread horizontal axis It is dynamic, it is connect since the screw thread horizontal axis 131 is threadedly engaged with the platform 138 out, is moved to the left a platform 138 out, from And described block 142 is driven to be moved to the left, the pen core 144 on the right is skidded off into the outlet plenum 146, when needing using another When kind pen core, the rotating block 100 is inverted, when pen needs to retract, the holding rod 105 is pulled, makes the holding rod 105 It moves up, carries the stretching bull stick 147 upwards, to make the kelly 155 move inwards, in the lower switch block chamber Under the spring effect of 161 lower end walls, moves up the spline long axis 107 and the idler wheel 154 is made to protrude into the described of top In circle card chamber 150, when needing refill, since buccal mass 145 and 152 end wall of working chamber out are threadedly engaged company It connects, moves down the buccal mass 145 out and skid off the working chamber 152, pen core is replaced, to improve pen Diversity and linkage.

The beneficial effects of the present invention are: in the initial state due to present device, making above structure in the initial state It positioned at initial position, can be adjusted in follow-up work, effectively improve the working regularity of equipment.

Claims

1. a kind of pen of telescopic double pen cores, including rotating block, what the rotating block lower end surface offseted is provided with a platform, institute State the lower bayonet slot for being installed with that several opening upwards and annular array are placed in a platform upper surface, the lower card of the right and left The connection of slot upper end wall be provided in the rotating block and symmetrical upper card slot, the setting slided in the upper card slot There is fixture block, the fixture block is protruded into the lower bayonet slot and is slidably connected with the lower bayonet slot end wall, and the fixture block protrudes into institute The end face stated in lower bayonet slot is semicircular structure, and elastic bullet is arranged between the fixture block upper surface and the upper card slot upper end wall Spring is installed with engagement chamber in upper platform, and the engagement chamber lower end wall connection is provided with extended cavity, the engagement chamber upper end What is rotated in wall is provided with switch block, switch block under being provided with that the upper switch block lower end surface offsets, and is installed in the upper switch block The upper switch block chamber of upper and lower intercommunication, the lower switch block chamber of the upper switch block chamber lower end wall connection being provided in the lower switch block, What the lower switch block chamber and the upper switch block chamber left hand end wall were connected to is provided with circular round card chamber, the round card chamber right end wall Fixed restricted bar, the upper switch block chamber upper end wall connection be provided in the rotating block and intercommunication and outside are empty up and down Between the rotating block chamber that is connected to, the intracavitary sliding of rotating block is provided with the spline long axis protruded into from exterior space, the spline Long axis sliding to protrude into the upper switch block intracavitary and offset with the upper switch block chamber lower end wall, be installed in the spline long axis Lower intercommunication and symmetrical elongated slot, the interior sliding of the elongated slot are provided with stock, are installed with position between the stock upper surface In the holding rod of exterior space, the elongated slot lower end wall connection be provided in the spline long axis and with the upper switch block chamber The switching chamber of connection, the switching chamber are installed with the symmetrical fixed block in front and back between end wall up and down, and the fixed block is close to each other End face between be installed with fixed rotating shaft, the fixed rotating shaft outer surface is installed with kelly one in front and one in back and symmetrically, institute State kelly protrude into top the ipsilateral circle card it is intracavitary, the kelly protrudes into being provided with for the end rotation in surface of the round card chamber The idler wheel being slidably connected with the outer end wall of the round card chamber of top.

2. a kind of pen of telescopic double pen cores as described in claim 1, it is characterised in that: be installed with out in the fixed block The bullet of mouth outwardly stretches slot, and the kelly slot of opening inwardly is installed in the kelly, and that slides in the kelly slot is provided with kelly Block in slot, the bullet that is provided with rotated in the kelly slot in block stretch shaft, and the bullet stretches shaft sliding and protrudes into the ipsilateral bullet It stretches in slot, shaft of the bullet stretching protrudes into that the bullet stretches the end face of slot and the bullet is stretched and is installed with spring between trough end wall, the card Be provided with the stretching bull stick for the connection that is rotatably assorted with the kelly in bar slot above block, it is described stretch bull stick with it is ipsilateral described Stock lower end surface is rotatably assorted connection, and the lower switch block chamber lower end wall is provided with spring.

3. a kind of pen of telescopic double pen cores as described in claim 1, it is characterised in that: the upper switch block outer surface is fixed There is a first gear, the engagement of described first gear or so end face is provided with symmetrical second gear, in the second gear It is installed with and is rotatably assorted the thread spindle of connection with the chamber upper end wall that engages, be provided with immediately below the second gear opening down Thread groove, what the thread spindle rotated down protrudes into the thread groove, and the outer surface thread of the thread spindle is cooperatively connected Be provided in the thread groove and the lifter plate with screw thread trough end wall sliding connection, described extended cavity or so The cunning chamber for being provided with annular of end wall connection, the lower switch block outer surface are installed with sliding plate, and it is intracavitary that the sliding plate protrudes into the cunning And be slidably connected with the sliding chamber end wall, the lower switch block lower end surface is installed with splined post, it is described in be installed with up and down mutually Logical spline, what the spline internal spline was cooperatively connected is provided with splined shaft, and the splined shaft extends downwardly the spline Slot.

4. a kind of pen of telescopic double pen cores as described in claim 1, it is characterised in that: the outer end of splined shaft rotation What is be cooperatively connected is provided with the platform of starting writing connecting with lifter plate lower end surface secure fit, is provided with position on the outside of the thread groove Downward and be the round and smooth slot of annular in upper platform inner opening, the promising hollow circular of setting slided in the round and smooth slot and with The plectane of the platform upper surface secure fit connection of starting writing, the plectane are moved down with the platform of starting writing, and make the upper pen Stratum between platform and the platform of starting writing reduces.

5. a kind of pen of telescopic double pen cores as described in claim 1, it is characterised in that: be installed with opening court in platform of starting writing Under gear cavity, the working chamber for being provided with upper and lower intercommunication of lower end wall connection, described gear cavity or so two among the gear cavity The lower end wall connection of side is provided with opening upwards and symmetrical working edge chamber, setting on the right of the working edge chamber on the left side There is the 6th gear cavity of opening upwards, the gear cavity is protruded into the splined shaft rotation, and the gear cavity outer surface is installed with Third gear in the gear cavity, the engagement of described third gear or so end face are provided with that protrude into the working edge intracavitary And symmetrical 4th gear, it is installed in the 4th gear and goes out pen with what the working edge chamber end wall was rotatably assorted connection Shaft, it is described go out a shaft in be installed with opening spiral slide chamber inwardly, the setting of the end wall connection of the spiral slide chamber inwardly There is the side limiting groove of left and right intercommunication, that slides in the spiral slide chamber end wall is provided with elevating lever, and the elevating lever sliding is worn The side limiting groove is crossed to protrude into the working chamber.

6. a kind of pen of telescopic double pen cores as described in claim 1, it is characterised in that: be provided with below the gear cavity It is fixed on the 5th gear of the splined shaft lower end surface, being provided with for the 5th gear left side engagement protrudes into the 6th tooth The 6th intracavitary gear is taken turns, the screw thread cross for the connection that is rotatably assorted with the 6th gear cavity end wall is installed in the 6th gear Axis, penetrating in the working chamber and being rotatably assorted with the working chamber right end wall for the screw thread horizontal axis rotation are connect, the spiral shell What line horizontal axis outer surface thread was cooperatively connected is provided with the platform out with end wall sliding connection before and after the working chamber, described Downward opening chamber out is installed in platform out, the chamber left hand end wall connection out is provided with left and right intercommunication and left and right pair The lifting sliding slot of title, the limiting groove for being provided with left and right intercommunication of end wall connection of the lifting sliding slot far from the chamber out, institute The of same size of the width of limiting groove and the side limiting groove and the elevating lever is stated, and the width of the lifting sliding slot is greater than The width of the limiting groove.

7. a kind of pen of telescopic double pen cores as described in claim 1, it is characterised in that: sliding in the lifting sliding slot It is dynamic to be provided with symmetrical block, the elevating lever sliding pass through described ipsilateral block and protrude into it is described go out pen it is intracavitary It offsets with the elevating lever of another side, downward opening chamber, the setting of the intracavitary sliding of pen is installed in described block There is pen core, is provided with non-slip mat between the pen core upper surface and described chamber end wall, slides the pen core down.

8. a kind of pen of telescopic double pen cores as described in claim 1, it is characterised in that: in the following end wall of working chamber It is threadedly engaged the buccal mass that is provided with out of connection, the outlet plenum of upper and lower intercommunication is installed in the buccal mass out, the pen core protrudes into institute It states in outlet plenum, the effect of the fixture block is to prevent the rotating block from voluntarily rotating, and the spiral slide chamber is special helix, The direction of rotation of the spiral slide chamber on both sides is opposite.