CN1286661C - Printer with cover locking mechanism - Google Patents

Printer with cover locking mechanism Download PDF

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Publication number
CN1286661C
CN1286661C CN 200410003299 CN200410003299A CN1286661C CN 1286661 C CN1286661 C CN 1286661C CN 200410003299 CN200410003299 CN 200410003299 CN 200410003299 A CN200410003299 A CN 200410003299A CN 1286661 C CN1286661 C CN 1286661C
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CN
China
Prior art keywords
locking bar
hook
printer
lid framework
framework
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Expired - Fee Related
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CN 200410003299
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Chinese (zh)
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CN1519128A (en
Inventor
高见彻
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Seiko Epson Corp
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Seiko Epson Corp
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Publication of CN1519128A publication Critical patent/CN1519128A/en
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Abstract

To propose a cover lock mechanism for a printer, by which a cover frame can be securely locked to a printer frame, even if the position of the cover frame in a closed condition moves up and down. The cover frame 13 of the printer 1 is mounted to the printer frame 12 so as to be openable and closable at its rear edge acting as the center. The cover frame 13 is locked to the printer frame 12 by a lock mechanism 40. The lock mechanism 40 has a lock lever 44 and a hook 42. The lock lever 44 is arranged on the left edge of a lock plate 41, which is mounted slidably from side to side on the front edge of the cover frame 13. The hook 42 is arranged on the printer frame 12. When the cover frame 13 is closed, after the lock lever 44 hits the hook 42, the lock lever 44 goes over the hook 42 while the lock plate 41 slides to the left side, and then the lock lever 44 slides to the right side. Thereby, a securing surface 51c of the lock lever 44 is secured to the lock lever securing surface 42c of the hook 42 from the bottom, and a locking state is formed. (C)2004,JPO&NCIPI.

Description

The printer that has the cover lock locking mechanism
Technical field
The present invention relates to a kind of printer that is used for POS system, cash register etc.More particularly, the present invention relates to be installed with in the printer that covers framework with opening and closing, the lid framework is locked at cover lock locking mechanism on this body frame at this body frame with respect to printer.
Background technology
In POS system etc., the thermo printer that carries out lettering on coil paper is widely used.In this printer, on this body frame of printer, can be installed with opening and closing and cover framework, open and cover framework, then the coil paper filling department promptly becomes full-gear, and the printer of structure that can carry out the replacing operation of coil paper simply is widely known by the people.In addition, air roll is installed at the leading section of lid framework, open cover framework then can be from thermal head disjoining pressure paper bowl, the structure that can pass the operation that coil paper is set simply therebetween also is widely known by the people.
Printer with this lid framework, operated by rotary motion have the lid framework are locked at cover lock locking mechanism on this body frame, cover framework so that can carefully open.Particularly in the printer that can oppositely send record-paper such as coil paper to, because the lid framework is opened easily when reverse paper feeding, so the cover lock locking mechanism is indispensable.
The cover lock locking mechanism of Cai Yonging generally shown in Figure 10 A, had the hook 104 that is installed in the locking bar 102 that covers framework 101 1 sides and is installed in this body frame 103 1 sides in the past.Locking bar 102 is that state that the center rotates freely is installed in and covers on the framework 101 with its upper end with the parallel pivot axis 102a of rotation centerline 101a with lid framework 101, can rotate at fore-and-aft direction.On the motion track of front end based on the locking bar 102 of the switching of lid framework 101, the hook 104 that the side at this body frame 103 forms is being set, locking bar 102 utilizes torsionspring etc. to apply spring force to a side of locking on hook 104 always.
Closing cap framework 101, then the leading section of locking bar 102 contacts with hook 104, and locking bar 102 is crossed hook 104 to rotation counterclockwise then.Shown in Figure 10 B, under the state of complete closing cap framework 101, be formed on lock face 102b that the leading section of locking bar 102 forms from downside be locked in hook 104 below state on the 104a.
In addition, air roll 105 is installed, under the state of closing cap framework 101, becomes air roll 105 and the surperficial state of contact that is arranged on the thermal head 106 of this body frame 103 1 sides at the leading section that covers framework 101.
Printer with cover lock locking mechanism of this structure, for example being disclosed in, the spy opens on the flat 9-240083 communique (with reference to figure 6,7).
But, in the cover lock locking mechanism of above-mentioned structure, following problem is arranged.The closed position of lid framework 101 for example as shown in the figure, and is definite by the bearing portion 107 that is supported on the rotating shaft 105a that cover air roll 105 that framework 101 1 sides form.If error appears in the foozle of lid framework 101 or the position of bearing portion 107, the closed position of then covering framework 101 will change.Particularly cover the closed position change up and down easily of framework 101.
Closed position as operculum framework 101 changes up and down, and the relative position that then is installed in the hook 104 of the locking bar that covers on the framework 101 102 and this body frame 103 1 sides will change.Particularly under the situation of the closed position of lid framework 101 deflection upside, shown in Figure 10 C, the lock face 102b of locking bar 102 just can not fully enter the downside of hook 104.Its result compares with the attitude that is in suitable lock-out state (Figure 10 B), and locking bar 102 is the attitude of tilted rearward, and lock face 102b becomes big with respect to the angle (locking angle θ) of the following 104a of hook 104.Therefore, the latching force of locking bar 102 and hook 104 dies down, and becomes the state that locking is thrown off easily.
Summary of the invention
Problem of the present invention changes up and down even propose a kind of closed position of lid framework in view of the above problems, also can will cover the printer with cover lock locking mechanism that framework is locked at this body frame one side infalliblely.
In order to solve above-mentioned problem, according to the present invention, a kind of printer is provided, it has this body frame, can be installed in described the lid framework on the body frame with opening and closing and have the locking bar on the side who is configured in this lid framework and this this body frame and be configured in the hook of the described locking bar of lockable on the opposing party of this lid framework and this this body frame, the described lid framework that is used for being in closed condition is locked in described the cover lock locking mechanism on the body frame, at least one side of described locking bar and described hook, can on the direction parallel, slide with the switching central axis cardinal principle of described lid framework, described locking bar slides to the 1st direction relatively with respect to described hook, forms the lock-out state of described locking bar and described hook; Described locking bar with respect to described hook to 2nd direction relative slide opposite with described the 1st direction, then remove the lock-out state of described locking bar and described hook, the parts that can slide in described locking bar and the described hook are applied in elastic force by elasticity part, form described lockup state; The described position of disturbing described locking bar owing to the switching of described lid framework that is hooked in, outstanding to described relative glide direction; Described hitcher has the locking bar guide surface, described lid framework arrive described closed condition near behind the position, contact with described locking bar, its be inclined to along with described lid framework to the moving of closed condition, the described relatively hook of described locking bar is slided relatively to the 2nd direction; The locking bar lock face contacts with described locking bar when described lid framework is in described closed condition, and its angle with regulation tilts towards the direction that described locking bar is positioned at, and makes described locking bar towards described the 1st direction; Described locking bar described lid framework arrive described closed condition near behind the position, contact with described locking bar guide surface, and along with described lid framework moving to closed condition, along the described relatively hook of described locking bar guide surface, slide relatively to described the 2nd direction, after breaking away from from described locking bar guide surface, by the described relatively hook of the spring force of described elasticity part, slide relatively to described the 1st direction, constitute the state that is locked on the described locking bar lock face.
In the present invention, locking bar along with parallel relative slip of direction of switching central axis of lid framework, form lock-out state with hook.Therefore, the situation of rotating, being locked on the hook with locking bar is different, even the closed position of lid framework changes up and down, the attitude of the locking bar that is in the lock state can not change yet.So, can prevent to cause that by the change of the closed position of covering framework the latching force of locking bar and hook weakens the drawback that the locking of lid framework is removed because of carelessness.
Here, usually from the viewpoint of easy manufacturing, best above-mentioned locking bar is arranged on the above-mentioned lid framework, and above-mentioned hook is arranged on above-mentioned the body frame.
And, as the mechanism that above-mentioned locking bar is slidably mounted on the above-mentioned lid framework, can adopt have with only slidably the state of predetermined distance above-mentioned locking bar is installed in the installation portion on the above-mentioned lid framework and above-mentioned locking bar is applied the structure of the elasticity part of spring force to above-mentioned the 1st direction.
Secondly, can adopt the above-mentioned position of disturbing the motion track of above-mentioned locking bar that is hooked in, upwards state the outstanding structure of glide direction of locking bar from above-mentioned body frame along with the switching of above-mentioned lid framework.Like this, then because when the closing cap framework, locking bar contacts with hook, so locking bar links, slides to the 2nd direction with the closing motion that covers framework.Then, locking bar slides to the 1st direction by spring force after breaking away from from hook.So can form the state that is locked on the hook automatically.
At this moment, on above-mentioned hook, as long as the locking bar lock face that forms the locking bar guide surface that tilts towards above-mentioned the 2nd direction and to the closing direction of above-mentioned lid framework and form with respect to above-mentioned locking bar guide surface, in closing direction one side of above-mentioned lid framework.Above-mentioned locking bar above-mentioned lid framework arrive above-mentioned closed condition near contact with above-mentioned locking bar guide surface behind the position, along with above-mentioned lid framework slides to above-mentioned the 2nd direction along above-mentioned locking bar guide surface smoothly to moving of closed condition, after breaking away from above-mentioned locking bar guide surface, spring force by above-mentioned elasticity part slides to above-mentioned the 1st direction, forms the state that is locked on the above-mentioned locking bar lock face.
Here, the above-mentioned locking bar lock face of preferred above-mentioned hook is towards above-mentioned the 2nd direction and with the inclined plane of predetermined angular to the direction inclination of opening above-mentioned lid framework.Like this, even then the closed position of lid framework moves up and down, the lock face that is installed in the locking bar on this lid framework is locked on the locking bar lock face of hook infalliblely.
Secondly, as the relieving mechanism that discharges above-mentioned locking bar from above-mentioned hook, be the relieving mechanism of above-mentioned lid framework, can adopt to have manual operational unit and operate above-mentioned manual operational unit, then make the structure of the release lever that the above-mentioned locking bar that is locked on the above-mentioned hook slides to above-mentioned the 2nd direction.
At this moment, can adopt to have above-mentioned locking bar at one end is being set, at the other end Lock Part of the contact site that can contact with above-mentioned release lever is being set, above-mentioned release lever has the structure of the 1st projection.Like this, then by rotating above-mentioned release lever according to the operation of above-mentioned manual operational unit, above-mentioned the 1st projection contacts with the above-mentioned contact site of above-mentioned Lock Part, and above-mentioned locking bar is slided to the 2nd direction.
Here, at least 1 in above-mentioned the 1st projection of the above-mentioned contact site of preferred above-mentioned Lock Part or above-mentioned release lever has towards above-mentioned the 2nd direction and the guide surface that tilts to the direction opposite with the direction of rotation of above-mentioned release lever.Like this, locking bar is little by little slided to the 2nd direction, the rotation of release lever successfully can be converted to the slip of locking bar to the 2nd direction.
Secondly, can adopt above-mentioned release lever to have the 2nd projection, by rotating above-mentioned release lever according to the operation of above-mentioned manual operational unit, above-mentioned the 1st projection contacts with the above-mentioned contact site of above-mentioned Lock Part, make above-mentioned locking bar when above-mentioned the 2nd direction is slided, above-mentioned the 2nd projection contacts with above-mentioned lid framework from the below, makes above-mentioned lid framework to opening the structure that direction moves.Like this, then can locking bar be discharged from hook more infalliblely.
In addition, the present invention can be applied to have the printer of thermal head, in this case, for have be arranged on above-mentioned on the body frame thermal head, close above-mentioned lid framework then with above-mentioned thermal head be installed in contiguously above-mentioned lid framework leading section air roll and under the state of closing above-mentioned lid framework, the structure that above-mentioned thermal head can be pressed in the elastomeric element on the above-mentioned air roll gets final product.
In printer of the present invention, on side's side in this body frame and lid framework locking bar is installed, hold-down hook on the opposing party's side, constitute the cover lock locking mechanism, make this locking bar and hook along with the switching of lid framework along with relative slip of direction of the switching central axis almost parallel of lid framework, form lockup state.
Therefore, according to the present invention, can obtain and make locking bar around with the parallel central axis of the switching central axis rotation of lid framework, form lockup state former cover lock locking mechanism different, even the position of the closed condition of lid framework changes up and down, also can form the effect of lockup state infalliblely.
Description of drawings
Fig. 1 is the stereoscopic figure that has used thermo printer of the present invention.
Fig. 2 and Fig. 3 are the stereogram of internal mechanism of the printer of presentation graphs 1.
Fig. 4 is the general profile chart of internal mechanism of the printer of presentation graphs 1.
Fig. 5 and Fig. 6 are this body frame of the printer of presentation graphs 1, the stereogram of lid framework.
Fig. 7 is in the ideograph of half-open position for the lid framework of the printer of presentation graphs 1.
Fig. 8 A and Fig. 8 B are the key diagram of action of cover lock locking mechanism that is used for the printer of presentation graphs 1.
Fig. 9 is the key diagram of action effect of cover lock locking mechanism that is used for the printer of presentation graphs 1.
Figure 10 A~Figure 10 C is the key diagram of the cover lock locking mechanism, its action and the problem that are used to illustrate former printer.
The specific embodiment
Below, used the preferred implementing form of printer of the present invention with reference to description of drawings.
Fig. 1 is the stereogram of the outward appearance of the expression printer relevant with present embodiment.The printer 1 relevant with present embodiment for example is the printer that uses as receipt printer in POS system.
Printer 1 is being provided with described each component part in back in the inside of the resinous external shell 4 that is made of upper shell 2 and lower house 3.The upper surface of upper shell 2 is the inclined plane that step-down ground, front side tilts, and is formed with the outlet 6 of record-paper 5 at the position of the front side of this upper surface.Upper surface portion rely on rear side than this outlet 6 is open-close lid 7.Open-close lid 7 can rear end side the position be that the center opens and closes, can open by 8 (manual operational units) of releasing the button of pushing the right side that is arranged on open-close lid 7.Position at 8 the rear side of releasing the button is being provided with display board 9.Make open-close lid 7 standard-sized sheets, the filling department 15 that then writes down paper bowl 5a (with reference to Fig. 2~Fig. 4) just become full-gear, can will write down paper bowl 5a from upside and be loaded into this filling department 15.
Fig. 2 and Fig. 3 are for pulling down external shell 4, represent the figure of printer mechanism, the stereogram of Fig. 2 for seeing by observer one side from the right side, the stereogram of Fig. 3 for seeing by observer one side from the left side.In addition, Fig. 4 is the general profile chart of printer mechanism.Describe below with reference to these accompanying drawings.Printer mechanism 11 is made of for the center the lid framework 13 that this body frame 12 and rearward end 13a are installed on this this body frame 12 with rotating freely.The switching central shaft 13b that the rearward end 13a of lid framework 13 can extend with the width along printer is center direction switching up and down.On lid framework 13 open-close lid 7 is installed, open-close lid 7 opens and closes with the switching of lid framework 13.Upper shell 2, lower house 3, release the button 8 and display board 9 be installed in this body frame 12 1 sides.
Position at the rear side of this body frame 12 is installed with forniciform resin plate 14, forms the filling department 15 of record paper bowl 5a.As shown in Figure 4, the record-paper of sending successively from the record paper bowl 5a that is seated in this filling department 15 5 utilizes thermal head 17 to print by during carrying upward between air roll 16 and the thermal head 17.Record-paper 5 after the printing is discharged to the outside from outlet 6.Thermal head 17 is supported on this body frame 12 1 sides.Air roll 16 is installed in the leading section that covers framework 13 with rotating freely.As shown in Figure 4, under lid framework 13 closing state, form thermal heads 17 and be compressed against state on the air roll 16 by pressing spring 18.
Installed inside in the plate portion 21 in the left side of this body frame 12 paper pushing motor 22, and the fore-end of this electric machine rotational axis 23 is outstanding laterally from plate portion 21, and pinion 24 is installed herein.Pinion 24 meshes with the driving side compound gear 25 in the outside that is supported on plate portion 21 with rotating freely.In this example, paper pushing motor 22 and driving side compound gear 25 are installed on the installing plate 27, and this installing plate 27 utilizes screw 28 to be fixed on the plate portion 21.Driving side compound gear 25 meshes with the slave end gear 26 of lid framework 13 1 sides.Slave end gear 26 is fixed in the end of the roll shaft 16a that is contained in the air roll 16 that covers on the framework 13.Therefore, under the state of closing cap framework 13, form the state of slave end gear 26 and 25 engagements of driving side compound gear, the revolving force of paper pushing motor 22 can transmit to air roll 16.Open and cover framework 13, then slave end gear 26 breaks away from from driving side compound gear 25.
Secondly, automatic disconnecting device 30 is being set under outlet 6.Automatic disconnecting device 30 has the movable blade device 31 that is contained in this body frame 12 1 sides and is contained in the fixed blade 32 of the upper surface of the leading section that covers framework 13.Fixed blade 32 extends along the width of printer, and the movable blade 31a of movable blade device 31 can be middle mind-set fixed blade 32 1 sideway swivels by drive motors 33, with an end of the width of printer.By rotation movable blade 31a, the record-paper after printing 5 can be cut off, as discharges such as receipts.
Secondly, between this body frame 12 and lid framework 13, constitute the lid framework 13 that will be in closed condition and be locked at lockable mechanism 40 on this body frame 12.Below with reference to Fig. 2~Fig. 6 this routine lockable mechanism 40 is described.Fig. 5 and Fig. 6 take out the figure of expression with this body frame 12 of printer mechanism 11 and lid framework 13, stereogram when the stereogram when Fig. 5 is in half-open position for the lid framework of seeing from the right side of leaning on observer's one side 13, Fig. 6 are in half-open position for the lid framework of seeing from the left side of leaning on observer's one side 13.
This routine lockable mechanism 40 has the hook 42 on the plate portion 21 of locking plate 41 (locking bar parts) that is contained in the leading section that covers framework 13 and the left side that is installed in this body frame 12.Locking plate 41 has from the horizontally extending horizontal plate portions 43 of width of the last side direction printer of the leading section of lid framework 13, from the end right angle bending downwards in the left side of horizontal plate portions 43 and the locking bar 44 that extends with from the end right angle bending downwards on the right side of horizontal plate portions 43 and the bar 45 of extension.
End about horizontal plate portions 43 as shown in Figure 3, forms long slotted hole 43a, 43b on the width of printer.In this slotted hole 43a, 43b, pass columned directing pin 48a, the 48b that is fixed on the leading section that covers framework 13.So locking plate 41 can be by the installation portion that is formed by these slotted holes 43a, 43b and directing pin 48a, 48b, towards the scope slip of width (with the parallel direction of central axis that opens and closes central shaft 13b) to stipulate of printer.In this example,, support locking plate 41 slidably, and prevent that locking plate 41 from deviating from upward by adopting collar-head screw (cup screw) as directing pin 48a, 48b.
In addition, between the horizontal plate portions 43 of the right end portion of leading section of lid framework 13 and locking plate 41, hanging up helical spring 47 with extended state.Therefore, locking plate 41 remains the state of always being partial to the right side.
The locking bar 44 of locking plate 41 extends from the below, left end lateral of lid framework 13.Be formed with the recess 51 that forms to the excision of printer the place ahead by end face from this printer rear side in the bottom of this locking bar 44.This recess 51 is determined by the perpendicular end surface part 51b that is connected to the inclined end face part 51a of printer front side inclination, with this lower end and extends downwards with from this lower end to the horizontal ends face portion 51c with the perpendicular direction extension of printer rear side.This horizontal ends face portion 51c works as the locking face with hook 42 lockings.
In addition, hook 42 is arranged on the position of locking face (horizontal ends face portion) 51c of the interference ratio locking bar 44 along with the switching of lid framework 13 near the motion track of the fore-end 44a of downside.This hook 42 is from the outstanding boss shape in the plate portion 21 outside right angles in the left side of this body frame 12.In this example, make the upper part direction bending forwards, backwards of installing plate 27 form hook 42.The hook 42 of boss shape, the end face of its upside is the guide surface 42a that tilts downwards, and form be connected with the lower end of this guide surface 42a, vertically extending vertical end face 42b downwards, be connected with the lower end of this vertical end face 42b, the locking bar lock face 42c of inclination downwards.
Below, utilize the action of the lockable mechanism 40 lockings lid framework 13 of formation like this with reference to Fig. 7, Fig. 8 A and Fig. 8 B explanation.Fig. 7 covers framework 13 and is the ideograph of half-open position for expression, and Fig. 8 A and Fig. 8 B are the key diagram that is used to illustrate the action of lockable mechanism 40.As shown in Figure 7, lid framework 13 is opened.Under this state, locking plate 41 is by helical spring 47 deflection right sides (position of A among Fig. 8 A).Closing cap framework 13, then the fore-end 44a of the locking bar 44 of locking plate 41 just contacts (position of B among Fig. 8 A and Fig. 8 B) with the hook 42 of this body frame 12 1 sides.Further closing cap framework 13, then the fore-end 44a of locking bar 44 contacts on hook 42 with regard to the guide surface 42a of one side along the inclination of the upside of hook 42, the spring force that one side overcomes helical spring 47 slides whole locking plate 41 to the left, moves (position of C among Fig. 8 A and Fig. 8 B) to closing direction.The closing cap framework 13 always, cross the vertical end face 42b of hook 42 up to the lock face 51c of locking bar 44, and hook 42 just embeds in the recess 51 of locking bar 44, and locking plate 41 slides to the right by spring force integral body.Its result, the lock face 51c that forms locking bar 44 is locked in state (position of D Fig. 8 A and Fig. 8 B) on the locking bar lock face 42c of hook 42 from downside.Thus, become and cover framework 13 and be locked in state on this body frame 12.Promptly along with the closing motion of lid framework 13 (open-close lid 7), locking bar 44 (locking plate 41) moving like that shown in arrow T is locked on the hook 42.
Here, cause by rigging error or foozle etc., under the situation that fully position under the state of closing cap framework 13 changes up and down, shown in D1, D2, D3 among Fig. 9 like that, locking bar 44 changes up and down with respect to the position of hook 42.
But in this example, locking bar 44 slides on the width of printer, embeds hook 42 in its recess 51.Even so the lock face 51c of locking bar 44 changes up and down, the angle of the locking bar lock face 42c of this lock face 51c and hook 42 (locking angle θ) can not change yet.
In addition, in this example, locking bar lock face 42c is the inclined plane that only tilts slightly upward.Even so the position of lid framework 13 under in off position changes up and down, the lock face 51c of locking bar 44 also can be locked on the locking bar lock face 42c of hook 42 infalliblely.In addition,, can not make locking angle θ become big, latching force reduction yet, locking is thrown off simply even lid framework 13 following position changes to upside in off position.
Below, illustrate this routine printer 1 be used to utilize lockable mechanism 40 to remove the relieving mechanism of lockings.Describe with reference to Fig. 1~Fig. 6.Relieving mechanism 60 has releasing the button 8, be arranged on rotary release lever 62 on the plate portion 61 on right side of this body frame 12 and the contact site 46 that forms on the bar 45 of locking plate 41 of above-mentioned hand.Releasing the button 8 is subjected to the spring force that applies upward by helical spring etc., and release lever 62 is subjected to by torsionspring etc. being positioned at position shown in Figure 2 to the spring force that counter clockwise direction applies.
Release lever 62 can rotary middle spindle 62a be center direction rotation up and down, have respectively from rotary middle spindle 62a rearward, the top projection 63,64 of stretching out.Go up the inclined plane 64a that forms to tilt to direction near plate portion 61 in projection 64 (the 1st projection).Press and release the button 8, then the contact-making surface that forms at 8 the downside of releasing the button is just pressed the projection 63 of release lever 62 downwards, and release lever 62 is turned clockwise.Release lever 62 rotations, then the contact site 46 of locking plate 41 is just pressed to the inboard of the width of printer by the inclined plane 64a of projection 64.Its result, the spring force that locking plate 41 overcomes helical spring 47 slides to the left.By like this, become the state that the locking bar 44 of locking plate 41 is thrown off to the side from hook 42.
In addition, on release lever 62, form the projection 65 (the 2nd projection) of forwards stretching out from rotary middle spindle 62a.After becoming the state that locking bar 44 throws off to the side from hook 42, continue rotation release lever 62, then this projection 65 lower surface 13c of just covering framework 13 from side contacts down lifts upward and covers framework 13.
Therefore, slip by this locking plate 41 and lid framework 13 lift action, be disengaged based on the locking of lockable mechanism 40, can open and cover framework 13 (open-close lid 7).
Though above-mentioned printer 1 is a thermo printer, the present invention can be applied to have ink gun too, impact first-class printer.
In addition, though in above-mentioned example, locking bar is installed slidably,, also can in this body frame one side locking bar be installed slidably at lid framework one side hold-down hook at this body frame one side hold-down hook in lid framework one side.
In addition, though in above-mentioned example, locking bar is constituted slidably, hook is constituted slidably.
In addition,, also can on the contact-making surface of locking bar, form the inclined plane, also can all form the inclined plane on both sides though in above-mentioned example, form the inclined plane in release lever one side.

Claims (8)

1. printer is characterized in that:
Have this body frame (12),
Can be installed in with opening and closing described on the body frame lid framework (13) and
Described lid framework hook (42), that be used for being in closed condition that has the locking bar (44) on the side who is configured in this lid framework and this this body frame and be configured in the described locking bar of lockable on the opposing party of this lid framework and this this body frame is locked in described the cover lock locking mechanism on the body frame
At least one side of described locking bar and described hook can slide on the direction parallel with the switching central axis cardinal principle of described lid framework,
Described locking bar slides to the 1st direction relatively with respect to described hook, forms the lock-out state of described locking bar and described hook; Described locking bar to 2nd direction relative slide opposite with described the 1st direction, is then removed the lock-out state of described locking bar and described hook with respect to described hook,
The parts that can slide in described locking bar and the described hook are applied in elastic force by elasticity part (47), form described lockup state;
The described position of disturbing described locking bar owing to the switching of described lid framework that is hooked in, outstanding to described relative glide direction;
Described hitcher has:
Locking bar guide surface (42a), described lid framework arrive described closed condition near behind the position, contact with described locking bar, its be inclined to along with described lid framework to the moving of closed condition, the described relatively hook of described locking bar is slided relatively to the 2nd direction;
Locking bar lock face (42c) contacts with described locking bar when described lid framework is in described closed condition, and its angle with regulation tilts towards the direction that described locking bar is positioned at, and makes described locking bar towards described the 1st direction;
Described locking bar described lid framework arrive described closed condition near behind the position, contact with described locking bar guide surface, and along with described lid framework to the moving of closed condition, along the described relatively hook of described locking bar guide surface, slide relatively to described the 2nd direction,
After described locking bar guide surface disengaging, by the described relatively hook of the spring force of described elasticity part, slide relatively to described the 1st direction, constitute the state that is locked on the described locking bar lock face.
2. printer as claimed in claim 1 is characterized in that:
Described locking bar is arranged on the described lid framework, and described hook is arranged on described the body frame.
3. printer as claimed in claim 2 is characterized in that:
Also have with only slidably the state of predetermined distance described locking bar is installed in installation portion (43a, 48a, 43b, 48b) on the described lid framework;
Described elasticity part (47) applies spring force to described the 1st direction to described locking bar.
4. printer as claimed in claim 3 is characterized in that:
Also have manual operational unit (8) and
Operate described manual operational unit, the release lever (62) that the described locking bar that is locked on the described hook is slided to described the 2nd direction.
5. printer as claimed in claim 4 is characterized in that:
Also have and described locking bar at one end is being set, the Lock Part (41) of the contact site (46) that can contact with described release lever is being set at the other end,
Described release lever has the 1st projection (64),
By rotating described release lever according to the operation of described manual operational unit, described the 1st projection contacts with the described contact site of described Lock Part, and described locking bar is slided to the 2nd direction.
6. printer as claimed in claim 5 is characterized in that:
In described the 1st projection of the described contact site of described Lock Part or described release lever at least 1 has towards described the 2nd direction and the guide surface (64a) that tilts to the direction opposite with the direction of rotation of described release lever.
7. printer as claimed in claim 5 is characterized in that:
Described release lever has the 2nd projection (65), by rotating described release lever according to the operation of described manual operational unit, described the 1st projection contacts with the described contact site of described Lock Part, make described locking bar when described the 2nd direction is slided, described the 2nd projection contacts with described lid framework from the below, and described lid framework is moved to opening direction.
8. as each described printer in the claim 1~7, it is characterized in that:
Also have be arranged on described on the body frame thermal head (17),
Close described lid framework then with described thermal head be installed in contiguously the leading section of described lid framework air roll (16) and
Under the state of closing described lid framework, described thermal head can be pressed in the elastomeric element (18) on the described air roll.
CN 200410003299 2003-02-03 2004-02-03 Printer with cover locking mechanism Expired - Fee Related CN1286661C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003026152 2003-02-03
JP2003026152 2003-02-03

Publications (2)

Publication Number Publication Date
CN1519128A CN1519128A (en) 2004-08-11
CN1286661C true CN1286661C (en) 2006-11-29

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Publication number Priority date Publication date Assignee Title
CN202816050U (en) 2012-08-29 2013-03-20 广东川田科技有限公司 Embedded touch POS machine
CN106183448B (en) * 2016-08-31 2018-09-07 重庆品胜科技有限公司 A kind of label machine
CN106183476B (en) * 2016-08-31 2018-11-16 重庆品胜科技有限公司 A kind of printer cover-opening structure
CN106240172B (en) * 2016-08-31 2019-02-12 重庆品胜科技有限公司 A kind of printer engine structure
CN106183462B (en) * 2016-08-31 2019-05-14 重庆品胜科技有限公司 A kind of printer
US11772395B2 (en) * 2020-10-15 2023-10-03 Zebra Technologies Corporation Lid subsystem for media processing devices

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