CN208930999U - Pencil can automatic entrance-exit mechanism and can automatic entrance-exit penknife - Google Patents

Abstract

It can automatic entrance-exit mechanism and can automatic entrance-exit penknife the utility model discloses pencil, pencil can automatic entrance-exit mechanism include being parallel to each other and the forward drive wheel that is spaced a distance and being driven reverse wheel, pen feeding wheel component, which is located at, to be driven forward wheel and the clearance space being driven reverse between wheel and can move in the clearance space, is driven forward wheel and is driven reverse wheel and realizes linkage by engaging with duplicate gear；Under first state, pen feeding wheel component is separated and is acted for realizing into pen with the inside face contact for being driven forward wheel but with wheel is driven reverse, and under the second state, pen feeding wheel component and the inside face contact for being driven reverse wheel but is acted with being driven forward wheel and separating for realizing moving back pen；It can automatic entrance-exit penknife rotation crank in the clockwise direction simultaneously, so that it may meet the function of successively moving back pen into pen and automatically automatically, the operation cut during pen can be simplified.

Description

Pencil can automatic entrance-exit mechanism and can automatic entrance-exit penknife

Technical field

The utility model relates to a kind of penknife more particularly to pencil can automatic entrance-exit mechanism and can automatic entrance-exit cut pen Machine.

Background technique

Penknife is student's style apparatus used in everyday, and penknife includes shell, penknife structure, rocking handle etc. earlier. During penknife cuts pen, pencil is firmly inserted into the pen plughole of knife rest by user, and the pencil in knife rest is by knife rest Interior hobboing cutter is cut, and in the process, user, which needs to apply a forward thrust to pencil always, just makes pencil Front end can constantly be cut to the state of needs.After the completion of sharpening a pencil, pencil is pulled out out of knife rest to opposite pulling force.

China Patent No. be 201420749399.9 a kind of automatic pencil sharpener into pen device, disclose striking gear packet Turning wheel, gear and idler wheel are included, turning wheel is engaged with gear, and the aid portion of pencil is formed in the middle part of two idler wheels.Turning wheel and knife Frame is fixedly connected, and turning wheel follows rocking handle to rotate and idler wheel is driven to rotate, the rotation of idler wheel will drive pencil to knife rest direction into Pen, to achieve the purpose that, in sharpening pencil automatically into pen, therefore in sharpening pencil, there is no need to users to provide thrust.

But current realized into pen into pen device with to shake rocking handle clockwise acts, and after the completion of sharpening pencil, the inverse time Needle shakes rocking handle realization and moves back pen movement.

In view of this, it is necessary to provide a kind of novel automatic mechanisms for moving back pen into pen and automatically by those skilled in the art.

Utility model content

Technical problem to be solved in the utility model be provide it is a kind of with shake in the same direction rocking handle can meet simultaneously from Move move back into pen and automatically pen pencil can automatic entrance-exit mechanism, the operation cut during pen can be simplified；Specifically, clockwise It shakes rocking handle to complete into pen and cutwork process, continues to shake that rocking handle is achievable to move back a process in a clockwise direction.Further Ground provide it is a kind of with above-mentioned driving and reversing mechanism can automatic entrance-exit penknife.

Technical solution adopted by the utility model to solve the above technical problems is as follows: pencil can automatic entrance-exit mechanism, it is special Sign is to include the forward drive wheel and reverse drive wheel for being parallel to each other and being spaced a distance, and pen feeding wheel component, which is located to rotate forward, to be driven Driving wheel and be driven reverse wheel between clearance space and can be moved in the clearance space, be driven forward wheel and be driven reverse Wheel realizes linkage by engaging with duplicate gear；Under first state, pen feeding wheel component and be driven forward wheel inside face contact but It is acted with being driven reverse to take turns to separate for realizing into pen, under the second state, pen feeding wheel component and the medial surface for being driven reverse wheel are connect It touches but is separated with forward drive wheel for realizing pen movement is moved back.

The further preferred embodiment of the utility model are as follows: the forward drive wheel and knife rest is detachably connected fixation.

The further preferred embodiment of the utility model are as follows: the knife rest is fixed on fixed frame, and pen feeding wheel component is fixed On the adjustable shelf that can be moved forward and backward, under first state, adjustable shelf is locked on the fixing frame, under the second state, institute After the adjustable shelf stated and the fixed frame unlock, the adjustable shelf retreats and the fixed frame under action of reset spring Separation.

The further preferred embodiment of the utility model are as follows: the adjustable shelf and the fixed frame are connected by buckle structure Connect fixation.

The further preferred embodiment of the utility model are as follows: the knife rest is equipped with the solution closing piece that can be moved forward and backward, and is cutting Solution closing piece is followed during cutting moves forward under the thrust of pencil point, and the pencil point after the completion of cutting is released by solution closing piece The mutually locking of adjustable shelf and fixed frame.

The further preferred embodiment of the utility model are as follows: the adjustable shelf is equipped with the flexible company with block button hole Bar, fixed frame are equipped with the lug boss for being caught in block button hole.

The further preferred embodiment of the utility model are as follows: the side of the lug boss on fixed frame is equipped with one rotatably Pushing block；After the completion of pencil cutting, solution closing piece pushes the pushing block to rotate certain amplitude, and the acting surface of pushing block acts on connecting rod Medial surface make the block button hole and the convex portion from.

The further preferred embodiment of the utility model are as follows: the duplicate gear includes nibbling with the outer peripheral teeth for being driven forward wheel The second gear of the first gear of conjunction and the periphery tooth engagement taken turns with reverse drive, first gear and second gear pass through connecting shaft and connect It connects.

The further preferred embodiment of the utility model are as follows: including fixed guide column, adjustable shelf is threaded through the fixation and leads It can move on column and on the fixed guide column, reset spring is set in guide post and withstands on adjustable shelf and fixed frame Between.

The further preferred embodiment of the utility model are as follows: the pen feeding wheel component includes two groups of shifting components, described Every group of shifting component includes wearing to send an idler wheel and the shaft coupling by dynamic rubber wheel, two clampings for sending an idler wheel to form pencil, rubber Rubber tire and the groove being driven forward on the medial surface of wheel or reverse drive wheel cooperate.

Another theme of the utility model: can automatic entrance-exit penknife, can automatic entrance-exit mechanism including such as above-mentioned pencil.

Compared with prior art, the utility model has the advantages that increasing a reverse drive on the basis of being driven forward wheel Wheel is arranged linkage gear being driven forward wheel and being driven reverse between wheel, and is removable by pen feeding wheel module sets；When sending pen Wheel assembly and be driven forward wheel when contacting, it can be achieved that pencil it is automatic into pen；Rocking handle is shaken in the same direction with into pen, i.e., always with up time Rocking handle is shaken in needle direction, and pen feeding wheel component is contacted with wheel is driven reverse, and takes turns due to being driven reverse the acting surface of wheel and being driven forward Acting surface on the contrary, pen feeding wheel component is made to execute the rotation of opposite direction, so that realizes pencil moves back a function automatically.

The rocking handle for shaking penknife in a clockwise direction always can successively complete the overall process for cutting and moving back pen into pen.

Detailed description of the invention

Fig. 1 be can automatic entrance-exit penknife partial structural diagram one；

Fig. 2 be can automatic entrance-exit penknife partial structural diagram two；

Fig. 3 be pencil can automatic entrance-exit mechanism overall structure diagram one；

Fig. 4 be pencil can automatic entrance-exit mechanism overall structure diagram two；

Fig. 5 be pencil can automatic entrance-exit mechanism overall structure diagram three；

Fig. 6 be pencil can automatic entrance-exit mechanism dismantling schematic diagram one；

Fig. 7 be pencil can automatic entrance-exit mechanism dismantling schematic diagram two；

Fig. 8 be pencil can automatic entrance-exit mechanism dismantling schematic diagram three；

Structural schematic diagram when Fig. 9 is adjustable shelf and fixed frame locking；

Structural schematic diagram one when Figure 10 is adjustable shelf and fixed frame unlock；

Structural schematic diagram two when Figure 11 is adjustable shelf and fixed frame unlock.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As depicted in figs. 1 and 2, traditional can be automatically into a penknife, such as 201420749399.9 in background technique A kind of automatic pencil sharpener into pen device, penknife part includes shell 101, penknife structure 201, into pen device 301, rocking handle 401 equal components, penknife structure 201 include knife rest 21, are equipped with rotatable hob assembly 22 in knife rest 21, wrap into pen device 301 Forward drive wheel 31 and pen feeding wheel component 3 are included, the rear end for being driven forward wheel 31 is connect and simultaneously by the drive of rocking handle 401 with knife rest 21 Dynamic, pen feeding wheel component 3 includes two groups of shifting components 32, and every group of shifting component 32 includes being equipped with to send an idler wheel 321 and by dynamic rubber The shaft coupling 323 of rubber tire 322, two clamping parts 33 for sending an idler wheel 321 to form pencil are taken turns by dynamic rubber wheel 322 with forward drive Groove 311 or gear teeth cooperation on 31 medial surface, when rocking handle 401 rotates, the groove 311 or the gear teeth that are driven forward on wheel 31 The rotation by dynamic rubber wheel 322 be will drive to drive the rotation for sending an idler wheel 321, two are sent an idler wheel 321 to be formed by folder Hold portion 33 will drive pencil 102 advance cut.

The utility model increases moves back the function of pen automatically, i.e., after the completion of into pen and the movement to sharpen a pencil, rocking handle 401 with into The clockwise direction of pen continues to shake, and can reach the function of moving back pen automatically, is carried out in detail to the content of the utility model below Carefully illustrate.

Can automatic entrance-exit penknife 104, including pencil can automatic entrance-exit mechanism 5, others further include penknife structure 201, Traditional automatic into some components possessed by penknife such as rocking handle 401, bits collecting box 103, no longer the utility model carries out detailed It is thin to illustrate.

As shown in Fig. 3 to Figure 11, pencil can automatic entrance-exit mechanism 5, including the rotating forward for being parallel to each other and being spaced a distance Driving wheel 31 and reverse drive wheel 51, it is empty that pen feeding wheel component 3 is located at the interval being driven forward between wheel 31 and reverse drive wheel 51 Between 501 and can be moved in clearance space 501, be driven forward wheel 31 and be driven reverse and take turns 51 by engaging reality with duplicate gear 52 Now link；Under first state, pen feeding wheel component 3 is separated with the inside face contact for being driven forward wheel 31 but with wheel 51 is driven reverse, It is acted for realizing into pen；Under second state, pen feeding wheel component 3 and be driven reverse wheel 51 inside face contact but with rotating forward The separation of driving wheel 31 acts for realizing pen is moved back.

It is driven forward wheel 31 and one end of knife rest 21 is detachably connected fixation, the other end of knife rest 21 is connect with rocking handle 401 And it is driven by it.

Knife rest 21 is fixed on fixed frame 53, and pen feeding wheel component 3 is fixed on the adjustable shelf 54 that can be moved forward and backward.Specifically Ground, when forward direction is into pen, adjustable shelf 54 is locked on fixed frame 53；When reversely moving back, adjustable shelf 54 and fixed frame 53 are solved After lock, adjustable shelf 54 is retreated under the effect of reset spring 55 and is separated with fixed frame 53.

Adjustable shelf 54 and fixed frame 53 pass through the detachably connected fixation of buckle structure.Specifically, adjustable shelf 54 is equipped with The flexible connecting rod 56 with block button hole 561, fixed frame 53 are equipped with the lug boss 531 for being caught in block button hole 561.

As shown in Figure 6 to 8, knife rest 21 is equipped with the solution closing piece 57 that can be moved forward and backward, and solves closing piece 57 during the cutting process It follows and is moved forward under the thrust of 102 pen tip of pencil, 102 pen tip of pencil after the completion of cutting releases adjustable shelf by solution closing piece 57 Mutually locking between 54 and fixed frame 53.Specifically, solution closing piece 57 is fastened on knife rest 21 by an elastic parts, the bullet Property component be reset little spring 59.Solution 57 stress of closing piece moves inward and compresses and reset little spring 59, or is resetting little spring 59 Elastic force effect it is lower and be displaced outwardly；I.e. solution closing piece 57 can be moved forward and backward by the reset little spring 59 on knife rest 21.

Specifically, the side of the lug boss 531 on fixed frame 53 is equipped with the pushing block that can be rotated with fixed frame 53 58；Solution closing piece 57 can be inwardly constantly pushed into the pen tip of the pencil of pen 102, finally makes to solve closing piece 57 and pushing block 58 in same rotation In plane, rocking handle 401 continues that fixed frame 53 is driven to rotate clockwise at this time, and the pushing block 58 on fixed frame 53 also follows rotation, turns Dynamic certain angle is so that pushing block 58 is crooked by the collision of solution closing piece 57 on same rotational plane；Connecting rod 56 is buckled in by pushing block 58 On the lug boss 531 on side, is collided and make block button hole toward the medial surface that the pushing block 58 that 56 direction of connecting rod is shaken acts on connecting rod 56 561 separate with lug boss 56.I.e. pushing block 58 releases the buckle structure between adjustable shelf 54 and fixed frame 53, and adjustable shelf 54 is multiple It moves backward under the thrust of position spring 55, is contacted after causing pen feeding wheel component 3 to leave forward drive wheel 31 with reverse drive wheel 51 Cooperation, pencil 102 terminates into a stock removal action this moment.

Preferably, the bottom of the pushing block 58 is class shuttle-type structure, the class shuttle-type bottom by the pushing block 58 that solution closing piece 57 collides Portion's stress and shake, the class shuttle-type bottom wall of shake, which is had an effect, acts on the medial surface of connecting rod 56, to open connecting rod 56 and be detached from convex Play portion 56.

As shown in Figures 3 to 8, duplicate gear 52 includes the first gear 521 with the periphery tooth engagement for being driven forward wheel 31 With the second gear 522 with the periphery tooth engagement for being driven reverse wheel 51, first gear 521 and second gear 522 pass through connecting shaft 523 Connection.Be driven forward wheel 31 be driven reverse wheel 51 peripheral portion be toothed around 502, respectively with the first gear of duplicate gear 52 521 and second gear 522 engage；I.e. during reversely moving back pen, pen feeding wheel component 3 is separated with wheel 31 is driven forward, pen feeding wheel Component 3 contacts with reverse drive wheel 51 and by the driving for being driven reverse wheel 51, under the connection of duplicate gear 52, is driven reverse and takes turns 51, which are still needs, is driven forward wheel 31 and is driven, that is to say, that by the driving of rocking handle 401, and no matter into pen and is moving back pen In the process, the rotation direction of rocking handle 401 is the clockwise direction set.

After pencil completes the cutting of process described above and release, again insertable into the pencil that needs are cut, need to cut Pencil can act on pen feeding wheel component 3, and the pen feeding wheel component 3 of stress can leave reverse drive wheel 51 and 31 sides of past forward drive wheel To movement, until pen feeding wheel component 3 is contacted and is driven by it with forward drive wheel 31.Specifically, pencil acts on pen feeding wheel group Clamping part 33 on part 3 will push pen feeding wheel component 3 under the extruding, friction of pencil and clamping part 33 and take turns to forward drive 31 directions are mobile.At the same time, adjustable shelf 54 is also pushed inside, to drive lug boss of the connecting rod 56 on fixed frame 53 531 is mobile, and the block button hole 561 on connecting rod 56 is made to be caught in lug boss 531.Specifically, lug boss 531 is with one towards connecting rod 56 Inclined-plane, this inclined-plane enables the block button hole 561 on connecting rod 56 to be smoothly caught in lug boss 531.

Pen feeding wheel component 3 includes two groups of shifting components 32, every group of shifting component 32 include be equipped with send an idler wheel 321 and by The shaft coupling 323 of dynamic rubber wheel 322, two clamping parts 33 for sending an idler wheel 321 to form pencil are driven by dynamic rubber wheel 322 with rotating forward Driving wheel 31 or the groove 311 being driven reverse on the medial surface of wheel 51 cooperate.Pen feeding wheel component 3, which is located at, is driven forward wheel 31 and reversion Between driving wheel 51.

It is positioned opposite to be driven forward the acting surface that wheel 31 and reverse drive wheel 51 and pen feeding wheel component 3 cooperate, is driven forward The groove 311 all having on wheel 31 and reverse drive 51 medial surfaces of wheel, this has the medial surface of groove 311 as and pen feeding wheel group The acting surface of part 3；Pen feeding wheel component 3 includes two groups of shifting components 32, being driven by dynamic rubber wheel 322 with rotating forward in shifting component 32 The groove 311 of 31 medial surface of driving wheel cooperates, and rotates forward pen feeding wheel component 3 and drives pencil into pen；In shifting component 32 Cooperated by dynamic rubber wheel 322 with the groove 311 for being driven reverse 51 medial surfaces of wheel, pen feeding wheel component 3 is made to rotate backward drive pencil It carries out moving back pen.

Preferably, pencil can automatic entrance-exit mechanism 5 include fixed guide column 7, adjustable shelf 54 is threaded through on fixed guide column 7 And can be moved on fixed guide column 7, reset spring 55 be set in guide post 7 and withstand on adjustable shelf 54 and fixed frame 53 it Between, i.e., reset spring 55 is in compressive state between adjustable shelf 54 and fixed frame 53.Two fixed guide columns 7 being parallel to each other are solid It is scheduled on shell, for moving horizontally for adjustable shelf 54, just because of the mobile of adjustable shelf 54 just makes pen feeding wheel component 3 rotate forward drive It is moved between driving wheel 31 and reverse drive wheel 51.

Preferably, the shaft coupling 323 for being fixedly connected in shifting component 32 is equipped on adjustable shelf 54 send wheel support 541.Send pen assembly 3 that adjustable shelf 54 can be followed to retreat.

Preferably, the pencil can automatic entrance-exit mechanism 5 further include one be driven reverse 51 fixed plates 100 that connect of wheel, Gu The through-hole 110 passed in and out for pencil 102 is offered on fixed board 100, fixed plate 100 and shell 101 are fixed, and pass through fixed plate 100 On two circular holes 120 opening up be arranged and be connected on fixed guide column 7.

Above to pencil provided by the utility model can automatic entrance-exit mechanism and can automatic entrance-exit penknife carried out in detail Thin to introduce, specific case used herein is expounded the principles of the present invention and embodiment, above embodiments Explanation be merely used to help understand the utility model and core concept.It should be pointed out that for the ordinary skill of the art For personnel, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, Modifications and modifications also fall within the protection scope of the claims of the utility model.

Claims (10)

1. pencil can automatic entrance-exit mechanism, it is characterised in that including the forward drive wheel that is parallel to each other and is spaced a distance and anti- Turn driving wheel, pen feeding wheel component is located at the clearance space being driven forward between wheel and reverse drive wheel and can be empty at the interval Interior movement is driven forward wheel and is driven reverse wheel and realizes linkage by engaging with duplicate gear；Under first state, pen feeding wheel group Part is acted with the inside face contact for being driven forward wheel but with being driven reverse to take turns to separate for realizing into pen, under the second state, send pen Wheel assembly separates to move back pen movement with the inside face contact for being driven reverse wheel but with forward drive wheel.

2. pencil according to claim 1 can automatic entrance-exit mechanism, it is characterised in that the forward drive wheel and knife rest It is detachably connected fixation.

3. pencil according to claim 2 can automatic entrance-exit mechanism, it is characterised in that the knife rest is fixed on fixed frame On, pen feeding wheel component is fixed on the adjustable shelf that can be moved forward and backward, and under first state, adjustable shelf is locked in the fixed frame On, under the second state, after the adjustable shelf and fixed frame unlock, after the adjustable shelf is under action of reset spring It moves back and is separated with the fixed frame.

4. pencil according to claim 3 can automatic entrance-exit mechanism, it is characterised in that the adjustable shelf is consolidated with described Determine frame to be connected and fixed by buckle structure.

5. pencil according to claim 3 can automatic entrance-exit mechanism, it is characterised in that the knife rest is equipped with can front and back Mobile solution closing piece, solution closing piece is followed during the cutting process moves forward under the thrust of pencil point, the pencil after the completion of cutting Pen tip releases the mutually locking of adjustable shelf and fixed frame by solution closing piece.

6. pencil according to claim 5 can automatic entrance-exit mechanism, it is characterised in that the adjustable shelf, which is equipped with, to be had The connecting rod with block button hole of elasticity, fixed frame are equipped with the lug boss for being caught in block button hole.

7. pencil according to claim 6 can automatic entrance-exit mechanism, it is characterised in that the side of the lug boss on fixed frame Side is equipped with a rotatable pushing block；After the completion of pencil cutting, solution closing piece pushes the pushing block to rotate certain amplitude, pushing block Acting surface act on connecting rod medial surface make the block button hole and the convex portion from.

8. pencil according to claim 1 can automatic entrance-exit mechanism, it is characterised in that the duplicate gear include with just Turn the periphery tooth engagement of driving wheel first gear and be driven reverse wheel periphery tooth engagement second gear, first gear and Second gear is connected by connecting shaft.

9. pencil according to claim 1 can automatic entrance-exit mechanism, it is characterised in that including fixed guide column, adjustable shelf is worn It is located on the fixed guide column and can be moved on the fixed guide column, reset spring is set in guide post and pushes up Between adjustable shelf and fixed frame.

10. can automatic entrance-exit penknife, it is characterised in that can automatic entrance-exit machine including the pencil as described in claim 1-9 is any Structure.