CN202079918U - Drawer-type printer - Google Patents

Drawer-type printer Download PDF

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Publication number
CN202079918U
CN202079918U CN2011201021261U CN201120102126U CN202079918U CN 202079918 U CN202079918 U CN 202079918U CN 2011201021261 U CN2011201021261 U CN 2011201021261U CN 201120102126 U CN201120102126 U CN 201120102126U CN 202079918 U CN202079918 U CN 202079918U
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China
Prior art keywords
assembly
housing unit
rubber roll
printhead
pull assembly
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Expired - Lifetime
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CN2011201021261U
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Chinese (zh)
Inventor
徐庆帮
陈大相
王�锋
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Shandong New Beiyang Information Technology Co Ltd
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Shandong New Beiyang Information Technology Co Ltd
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Priority to CN2011201021261U priority Critical patent/CN202079918U/en
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Abstract

The utility model discloses a drawer-type printer, which comprises a casing assembly, a drawing assembly, a printing head assembly and a rubber roller, wherein the drawing assembly is embedded in the casing assembly, is movably connected with the casing assembly, can slide relative to the casing assembly, and can be at an opening or closing state, the printing head assembly comprises a printing head and a fixing plate, the printing head is movably connected with the casing assembly via the fixing plate, the fixing plate is provided with a guiding part, the rubber roller is in pin joint with the drawing assembly, when the drawing assembly slides relative to the casing assembly, two ends of the rubber roller contact with the guiding part, and raise up the printing head via jacking up the guiding part, and when the drawing assembly is closed relative to the casing assembly, the two ends of the rubber roller are separated from the guiding part, and the printing head is in tangency cooperation with the rubber roller. The drawer-type printer can prevent printing head wearing caused by friction between the printing head and the rubber roller when the drawing assembly slides relative to the casing assembly, thereby improving the service lifetime of the printing head.

Description

A kind of drawer type printer
Technical field
The utility model relates to a kind of data printing technique field, relates in particular to a kind of drawer type printer.
Background technology
Along with social development and scientific and technological progress, the degree of office automation is more and more higher, the office equipment that in some office fields, needs to use simultaneously two or more, as at the bank field, need multiple office equipment such as the instrument of application scanning simultaneously, coin identifier, printer, using the scanner scanning check, or using coin identifier identification coin, and after judging that check or coin are effectively, use the printer prints receipt as paying voucher.At this moment, need on desk tops, place printer simultaneously, scanner, multiple office equipment such as coin identifier, because the desk-top space of desk commonly used can't satisfy instructions for use, the user is sometimes with printer, scanner, equipment stackings such as coin identifier use, at this user demand, a kind of drawer type printer has appearred, this printer is taked the drawing and pulling type structure, one among printhead and the rubber roll is arranged on the fixed support, among both another is arranged on the travel(l)ing rest, travel(l)ing rest can be pulled out or withdraw abreast with respect to fixed support, correspondingly printhead separates with rubber roll or is tangent, when travel(l)ing rest is pulled out with respect to fixed support is parallel, can change print paper, clean printhead, attended operations such as rubber roll.Therefore this drawer type printer can place other equipment thereon owing to do not need to renovate, and uses with other equipment stackings.
Yet, existing drawer type printer since in the process that pull is opened printhead and rubber roll opposing parallel move, rubber roll causes printhead to wear and tear along the printing surface friction of printhead easily, has reduced printhead service life.
The utility model content
The utility model provides a kind of drawer type printer, and the wearing and tearing that can avoid printhead and rubber roll friction to cause improve printhead service life.
The utility model provides a kind of drawer type printer, comprise housing unit, pull assembly, print head assembly and rubber roll, described pull assembly is embedded in the inside of described housing unit, flexibly connect with described housing unit, can slide with respect to described housing unit, be in the state of opening or closing, wherein
Described print head assembly comprises printhead and fixed head, and described printhead flexibly connects by described fixed head and described housing unit, and described fixed head is provided with guide part;
Described rubber roll and described pull assembly articulate, when the described relatively housing unit of described pull assembly slides, the two ends of described rubber roll contact with described guide part, described guide part jack-up is lifted described printhead, when the described relatively housing unit of described pull assembly is closed, the two ends of described rubber roll and described targeting part from, described printhead cooperates with described rubber roll is tangent.
Preferably, be symmetrically arranged with elongated slot on the left side wall of described housing unit and the right side wall, the length direction of described elongated slot is provided with along described pull assembly glide direction, and described elongated slot is provided with opening in the downstream along described pull assembly pull-out direction;
The external diameter at the groove width of described elongated slot and the two ends of described rubber roll is suitable, and when the blind end clamping of the two ends of described rubber roll and described elongated slot, described printhead cooperates with described rubber roll is tangent.
Preferably, described print head assembly also comprises first flexible member, and described fixed head comprises left plate, right plate and gripper shoe, and described gripper shoe is vertically set between described left plate and the right plate, wherein,
Described printhead is fixedlyed connected with described gripper shoe and between described left plate and right plate;
Described guide part is flange shape, is arranged on the end away from described gripper shoe of described left plate and right plate;
Described first flexible member, one end is connected with described gripper shoe, and the other end is connected with the top board of described housing unit.
Preferably, the left side wall of described housing unit and right side wall inboard are symmetrically arranged with the reference column perpendicular to described left side wall and right side wall;
Be respectively arranged with locating slot on described left plate and the right plate, described locating slot is pegged graft with described reference column and is cooperated.
Preferably, this drawer type printer also comprises:
Fixed leg, the one end is connected with described top board is vertical, and its other end is unsettled, and described gripper shoe is pegged graft versatilely with the free end of described fixed leg away from an end of printhead and is cooperated.
Preferably, this drawer type printer also comprises the paper storehouse, and fixedlying connected with described pull assembly in described paper storehouse, and opens or closes with the slip of described pull assembly.
Preferably, this drawer type printer also comprises the latch assembly with described pull member hinges, and when the described relatively housing unit of described pull assembly was in closed condition, described latch assembly was connected with housing unit.
Preferably, described latch assembly comprises spanner, rotating shaft, lock shaft and second flexible member, wherein,
Described rotating shaft is arranged on the described pull assembly, and described spanner and described rotating shaft are hinged;
Described lock shaft is fixedly installed on the left side wall and/or right side wall of described housing unit, and when the described relatively housing unit of described pull assembly was in closed condition, described lock shaft cooperated with described spanner clamping;
Described second flexible member, one end is connected with described pull assembly, and the other end is connected with described spanner.
Preferably, described spanner comprises operating portion and tight lock part, and wherein said operating portion is exposed at the outside of described pull assembly, and described tight lock part is fixedlyed connected with described operating portion, when the described relatively housing unit of described pull assembly was in closed condition, described tight lock part cooperated with described lock shaft clamping.
Preferably, described lock shaft is symmetricly set on the left side wall and right side wall of described housing unit, and described second flexible member is two and is symmetricly set on described pull assembly both sides.
The drawer type printer that the utility model provides lifts printhead in printhead and rubber roll separation process, has therefore avoided the wearing and tearing printhead; In addition, printhead and rubber roll are realized the location by the same part of frame, have guaranteed the relative positioning precision of printhead and rubber roll, have improved print quality.
Description of drawings
The drawer type printer structural representation in off position that Fig. 1 provides for this novel first embodiment;
Fig. 2 is the longitudinal profile schematic diagram of drawer type printer shown in Figure 1;
Fig. 3 is a drawer type printer shown in Figure 1 structural representation in open mode;
Fig. 4 is the partial schematic diagram of drawer type printer structure shown in Figure 1;
Fig. 5 is the structural representation of the frame of drawer type printer shown in Figure 4;
Fig. 6 is the structural representation of the print components of drawer type printer shown in Figure 1;
Fig. 7 is the structural representation of the latch assembly of drawer type printer shown in Figure 1;
The structural representation of the latch assembly of the drawer type printer that Fig. 8 provides for this novel second embodiment.
The specific embodiment
Below in conjunction with drawings and Examples the drawer type printer that the utility model provides is illustrated in greater detail.
The purpose of this utility model provides a kind of printhead of can avoiding and weares and teares, improves the printhead drawer type printer in service life, comprise housing unit, pull assembly, print head assembly and rubber roll, described pull assembly is embedded in described housing unit inside, flexibly connect with described housing unit, can slide with respect to described housing unit, be in the state of opening or closing, wherein, described print head assembly comprises printhead and fixed head, described printhead flexibly connects by described fixed head and described housing unit, and described fixed head is provided with guide part; Described rubber roll and described pull assembly articulate, when the described relatively housing unit of described pull assembly slides, the two ends of described rubber roll contact with described guide part, described guide part jack-up is lifted described printhead, when the described relatively housing unit of described pull assembly is closed, the two ends of described rubber roll and described targeting part from, described printhead cooperates with described rubber roll is tangent.
In traditional drawer type printer, print head assembly flexibly connects by fixed head and housing unit, but fixed head only plays fixedly printer and is connected effect, because in normal condition is that the pull assembly is when being in closed condition, printhead in the print head assembly contacts with rubber roll, therefore pull out that rubber roll in the process can rub printhead and the wearing and tearing that increase printhead at the pull assembly, the life-span of having reduced printer.And this novel drawer type printer that provides, described fixed head is provided with guide part, when the described relatively housing unit of described pull assembly slides, the two ends of described rubber roll contact with described guide part, described guide part jack-up is lifted described printhead, realized in the pull assembly slides as pull out or the withdrawal process in the rubber roll two ends guide part jack-up is lifted printhead, avoided the wearing and tearing printhead.
The concrete structure of above-mentioned housing unit and shape can adopt various profiles in the utility model specific embodiment, and the pull assembly also can be multiple with respect to the motion mode of housing unit, pull out abreast in this way or withdraw.The shape of above-mentioned guide part is preferably flange shape, concrete structure is originally novel not to be limited, can move upward under the motion at rubber roll two ends and lift printhead as long as can be implemented in, as when the pull component level is moved, that guide part preferably adopts is flange shape, the arcuation of downward protrusion or del etc.
Provide two preferred embodiments that this novel drawer type printer arrangement is carried out concrete refinement below.
Embodiment 1
Fig. 1 is the drawer type printer structural representation in off position that present embodiment provides, and Fig. 2 is the generalized section of the drawer type printer that provides of present embodiment, and Fig. 3 is a drawer type printer shown in Figure 1 structural representation in open mode.
Referring to figs. 1 to Fig. 3, the drawer type printer comprises housing unit 1, pull assembly 2, print components 3 in the present embodiment, print components 3 comprises print head assembly 5 and rubber roll 6, and preferably, the drawer type printer also comprises paper storehouse 4 and the latch assembly 7 hinged with pull assembly 2.Wherein pull assembly 2 is embedded in housing unit 1 inside, flexibly connects with housing unit 1, can slide with respect to housing unit 1, as pulling out abreast or withdraw with respect to housing unit 1, is in open mode or closed condition; Fixedlying connected with pull assembly 2 in paper storehouse 4, is used to hold print paper, and open or close with the slip of pull assembly 2, and promptly when pull assembly 2 relative housing units 1 were in open mode, paper storehouse 4 was opened wide, and can change print paper this moment easily; Along the print paper throughput direction, in the downstream in paper storehouse 4 print components 3 is set, on print paper, to print predefined content; When pull assembly 2 relative housing units 1 were in closed condition, latch assembly 1 was connected with housing unit 2, thereby locking pull assembly 2 makes pull assembly 2 relative housing unit 1 fixed-site.
Fig. 4 is the partial schematic diagram of drawer type printer structure shown in Figure 1, and Fig. 5 is the rack construction schematic diagram of drawer type printer shown in Figure 4.This novel middle shell assembly comprises two sidewalls and top board, preferably, when closing in order to be implemented in pull assembly 2 and housing unit 1 form the sealing shell, with reference to figure 3 to Fig. 5, housing unit 1 comprises the frame 11 and the shell 12 of split, and frame 11 is fixedlyed connected with shell 12.Certainly, housing unit also can adopt the shell mechanism of integral type, no matter adopt what structure, housing unit has left side wall, right side wall and top board.In the utility model preferred embodiment, frame 11 comprises left side wall 111, right side wall 112 and top board 113, and wherein top board 113 is vertically set between the left side wall 111 and right side wall 112 of frame 11.On left side wall 111 and right side wall 112, be symmetrically arranged with reference column 111a, on left side wall 111 and right side wall 112, also be symmetrically arranged with elongated slot 111b.Wherein, reference column 111a is provided with perpendicular to left side wall 111 and right side wall 112, between left side wall 111 and right side wall 112; The length direction of elongated slot 111b is along the 2 glide direction settings of pull assembly, and elongated slot 111b is provided with opening in the downstream along pull assembly 2 pull-out directions, and reference column 111a and elongated slot 111b are used to limit the position of print components 3.
Fig. 6 is the structural representation of the print components of drawer type printer shown in Figure 1.As shown in Figure 6, print components 3 comprises print head assembly 5 and rubber roll 6, and print head assembly 5 comprises printhead 51 and fixed head 52, and printhead 51 flexibly connects by fixed head 52 and housing unit 1, and fixed head 52 is provided with guide part 521b; Rubber roll 6 articulates with pull assembly 2, when pull assembly 2 relative housing units 1 slide, the two ends of rubber roll 6 contact with guide part 521b, guide part 521b jack-up is lifted printhead 51, when pull assembly 2 relative housing units 1 are closed, separate with guide part 521b at the two ends of rubber roll 6, printhead 51 and 6 tangent cooperations of rubber roll.
Particularly, print head assembly 5 also comprises first flexible member 53, and fixed head 52 comprises left plate 521, right plate (not drawing among the figure) and gripper shoe 523, and gripper shoe 523 is vertically set between left plate 521 and the right plate.Printhead 51 is fixedlyed connected with the gripper shoe 523 of fixed head 52, and between left plate 521 and right plate 522.First flexible member, 53 1 ends are connected with gripper shoe 523, and the other end is connected with top board 113.
On the left plate 521 of fixed head 52 and right plate, be provided with locating slot 521a symmetrically, and on the left plate 521 of fixed head 52 and right plate, guide part 521b is set symmetrically, wherein, locating slot 521a edge is perpendicular to gripper shoe 523 direction settings, groove width is suitable with the diameter of axle that is arranged on the reference column 111a on the frame 11, is used to limit the position of printhead 51 along the print paper transmission direction; Guide part 521b is flange shape, is arranged on the end away from gripper shoe 523 of left side plate, and the lug boss of its guide part 521b can cooperate with two end in contact of rubber roll 6.
The drawer type printer also comprises in the present embodiment: fixed leg 13, one ends are fixedlyed connected perpendicular to top board 113 and with top board 113, and its other end is unsettled.Fixed head 52 flexibly connects by fixed leg 13 and frame 11 away from an end of printhead 51.The free end 131 of fixed leg 13 is the multidiameter of end diameter less than the middle part diameter, and the end height of free end 131 is greater than the thickness of gripper shoe 523, so that gripper shoe has up and down space.The gripper shoe 523 of fixed head 52 is pegged graft versatilely with the free end 131 of fixed leg 13 away from an end of printhead 51 and is cooperated.
Preferably, above-mentioned first flexible member 53 can be stage clip, torsion spring or leaf spring etc., and quantity is at least one, is positioned at the side away from fixed leg 13 of gripper shoe 523.Because an end of first flexible member 53 is connected with gripper shoe 523, the other end is connected with the top board 113 of frame 11, thereby under the effect of first flexible member 53, fixed head 52 drives printheads 51 and exists all the time to the movement tendency away from the top board 113 direction bias voltages of frame 11.
Because fixed head 52 flexibly connects by the top board 113 of fixed leg 13 with frame 11, reference column 111a on the locating slot 521a of fixed head 52 both sides and the frame 11 pegs graft and cooperates, therefore, under the effect of first flexible member 53, fixed head 52 drives printhead 51 can only be along the reference column 111a on the frame 11 to the top board 113 direction bias voltages away from frame 11, when pull assembly 2 is closed, when rubber roll 6 is positioned at desired location, fixed head 52 drives printhead 51 and is pressed on the rubber roll 6, and print head assembly 5 is supported by rubber roll 6; When rubber roll 6 is pulled out with pull assembly 2, fixed head 52 around fixed leg 13 to rotating away from top board 113 directions, simultaneously the locating slot 521a on the left side plate cooperates with reference column 111a clamping on the frame 11, the print head assembly 5 post 111a support that is positioned, thus print head assembly 5 is in settling position.
Rubber roll 6 comprises mandrel 61 and is arranged on the running roller 62 of mandrel 61 peripheries that wherein, the groove width of the external diameter of the mandrel 61 at rubber roll 6 two ends and the elongated slot 111b of frame 11 is suitable; The length of running roller 62 is less than the length of mandrel 61 and be positioned at mandrel 61 middle parts, so the two ends of rubber roll 6 are the mandrel part that periphery does not have running roller 62, and then the groove width of elongated slot 111b and mandrel 61 external diameters are adaptive, and guide part 521b contacts with mandrel 61.In the process of drawing back or closing pull assembly 2, the two ends of the mandrel 61 of rubber roll 6 contact cooperation with the guide part 521b of the fixed head 52 of print head assembly 5.When rubber roll 6 moves with respect to printhead 51, the projection of guide part 521b contacts with the mandrel 61 of rubber roll 6, therefore, the mandrel 61 of rubber roll 6 promotes the direction motion of fixed head 52 to the top board 113 of close frame 11, printhead 51 is lifted thereupon, interval certain interval between rubber roll 6 and the printhead 51, thus wearing and tearing printhead 51 in rubber roll 6 moving process avoided; When the mandrel 61 of rubber roll 6 contacts cooperation with the blind end of the elongated slot 111b of frame 11, the mandrel 61 of rubber roll 6 separates with the projection of the guide part 521b of fixed head 52, be subjected to 53 effects of first flexible member this moment, fixed head 52 is under cooperating of locating slot 521a and reference column 111a limits, driving printhead 51 moves to top board 113 directions (promptly near rubber roll 6 directions) away from frame 11, printhead 51 is pressed on the running roller 62 of rubber roll 6, printhead 51 and 6 tangent cooperations of rubber roll, so printhead 51 and rubber roll 6 reliable fit.Certainly, can also be with protective sleeve on the mandrel 61, then the groove width of elongated slot 111b and protective sleeve external diameter are adaptive, and guide part 521b specifically contacts cooperation with protective sleeve.
Fig. 7 is the structural representation of the latch assembly of drawer type printer shown in Figure 2.As shown in Figure 7, latch assembly 7 comprises spanner 71, rotating shaft 72 and lock shaft 73, and second flexible member 74, and wherein, rotating shaft 72 is arranged on the pull assembly 2, and spanner 71 is hinged with rotating shaft 72; Lock shaft 73 is fixedly installed on the sidewall of housing unit 1, cooperates with spanner 71 clampings; Second flexible member, 74 1 ends are connected with pull assembly 2, and the other end is connected with spanner 71.
Further, spanner 71 comprises operating portion 711 and tight lock part 712, and wherein operating portion 711 is exposed at the outside of pull assembly 2, so that operation, tight lock part 712 is fixedlyed connected with operating portion 711; Lock shaft 73 is fixedly installed on the left side wall 111 and/or right side wall 112 of frame 11, can cooperate with tight lock part 712 clampings of spanner 71.When pull assembly 2 is closed with respect to housing unit 1, spanner 71 is subjected to the effect of second flexible member 74, there is the movement tendency to lock shaft 73 rotations all the time in its tight lock part 712, and locks with lock shaft 73 clampings, and pull assembly 2 is with respect to housing unit 1 fixed-site; Pull the operating portion 711 of spanner 71, make the tight lock part 712 release lock mandrels 73 of spanner 71, pull assembly 2 housing unit 1 is relatively pulled out.
Like this, when pull assembly 2 relative housing units 1 are closed, the reference column 111a that locating slot 521a on the fixed head 52 of print head assembly 5 is arranged on the frame 11 limits, determined the position of printhead 51 along the print paper transmission direction, the elongated slot 111b that mandrel 61 two ends of rubber roll 6 are arranged on the frame 11 limits, determined that rubber roll 6 is along the position perpendicular to the print paper transmission direction, simultaneously, be arranged on spanner 71 and the lock shaft 73 clampings locking that is arranged on the frame 11 on the pull assembly 2, thereby printhead 51 and rubber roll 6 are fixed by the reference column 111a and the elongated slot 111b realization relative position that are arranged on the same part (frame 11), realized the accurate location of printhead and rubber roll.
Introduce the switching process of the pull assembly 2 of the drawer type printer that present embodiment provides below in detail.
Pull the operating portion 711 of spanner 71, make the tight lock part 712 release lock mandrels 73 of spanner 71, then to direction pulling pull assembly 2 away from housing unit 1; The mandrel 61 at rubber roll 6 two ends moves to the direction away from printhead 51 along the elongated slot 111b of frame 11 at this moment, and contact with the guide part 521b of fixed head 52, in rubber roll 6 moving process, the projection of guide part 521b contacts with the mandrel 61 of rubber roll 6, the mandrel 61 of rubber roll 6 promotes the direction motion of fixed head 52 to the top board 113 of close frame 11, printhead 51 lifts thereupon, interval certain interval between rubber roll 6 and the printhead 51, thereby avoided rubber roll 6 printhead 51 that when mobile, rubs, continue pulling pull assembly 2, rubber roll 6 is separated fully with printhead 51, reveal delivering paper storehouse 4 simultaneously, pull assembly 2 is in open mode, and can change print paper easily this moment, cleans printhead, attended operations such as rubber roll.
When closing pull assembly 2, only need promote pull assembly 2 to housing unit 1 direction, when rubber roll 6 will soon contact with printhead 51, the projection of guide part 521b contacts with the mandrel 61 of rubber roll 6, therefore, the mandrel 61 of rubber roll 6 promotes the direction motion of fixed head 52 to the top board 113 of close frame 11, and printhead 51 is lifted thereupon, interval certain interval between rubber roll 6 and the printhead 51 has been avoided wearing and tearing printhead 51 in rubber roll 6 moving process equally; Along with rubber roll 6 continues to move to frame 11 directions, mandrel 61 two ends of rubber roll 6 and the elongated slot 111b of frame 11 are suitable, and move along elongated slot 111b, when the mandrel 61 of rubber roll 6 contacts cooperation with the blind end of the elongated slot 111b of frame 11, the mandrel of rubber roll 6 separates with the guide part 521b of fixed head 52, be subjected to 53 effects of first flexible member this moment, fixed head 52 drives printhead and moves to top board 113 directions (promptly near rubber roll 6 directions) away from frame 11 with cooperating under the qualification of reference column 111a at locating slot 521a, printhead 51 is pressed on the running roller 62 of rubber roll 6, printhead 51 and 6 tangent cooperations of rubber roll, simultaneously, the spanner 71 of latch assembly 7 and lock shaft 73 clampings locking, make rubber roll 6 relative printhead 51 fixed-site, so printhead 51 cooperates accurately with rubber roll 6, pull assembly 2 relative housing units 1 are fixed.
The drawer type printer that the utility model provides makes printhead 51 relative rubber rolls 6 lift in pull assembly 2 moving process, mobile rubber roll 6 wearing and tearing printheads 51 have been avoided, thereby improved the service life of printhead, when pull assembly 2 is in closed condition, printhead 51 and rubber roll 6 are fixed by the reference column 111a and the elongated slot 111b realization relative position that are arranged on the same part frame 11, guarantee the positioning accuracy of printhead and rubber roll, also just guaranteed print quality.
Embodiment 2
Fig. 8 is the structural representation of the latch assembly of the drawer type printer that provides of the utility model second embodiment, and as shown in the figure, present embodiment is compared with a last embodiment, and difference is that the latch assembly 7 that present embodiment provides is symmetrical arranged about print components 3.
Particularly, latch assembly 7 comprises spanner 71, rotating shaft 72 and lock shaft 73, and second flexible member 74, its shaft 72 connects pull assembly 2 along rubber roll 6 length directions and is provided with, spanner 71 is hinged with rotating shaft 72, spanner 71 comprises operating portion 711 and tight lock part 712, and second tight lock part 713, and wherein the tight lock part 712 and second tight lock part 713 are symmetricly set on pull assembly 2 both sides; Lock shaft 73 is two, is symmetricly set on the left side wall 111 and right side wall 112 of frame 11, cooperates with the tight lock part 712 and 713 clampings of second tight lock part of spanner 71 respectively; Second flexible member 74 is two, is symmetricly set on pull assembly 2 both sides equally, and an end separately is connected with pull assembly 2, and the other end separately is connected with second tight lock part 713 with the tight lock part 712 of spanner 71 respectively.When pull assembly 2 was closed with respect to housing unit 1, spanner 71 was subjected to the effect of second flexible member 74, and the tight lock part 712 and second tight lock part 713 are locked with lock shaft 73 clampings simultaneously, and pull assembly 2 is with respect to housing unit 1 fixed-site; Pull the operating portion 711 of spanner 71, make the tight lock part 712 and second tight lock part, the 713 while release lock mandrel 73 of spanner 71, pull assembly 2 housing unit 1 is relatively pulled out.
The drawer type printer that the utility model provides makes printhead 51 stressed more even, thereby has improved print quality further owing to lock simultaneously in print components 3 both sides.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.

Claims (10)

1. a drawer type printer comprises housing unit, pull assembly, print head assembly and rubber roll, and described pull assembly is embedded in the inside of described housing unit, flexibly connect with described housing unit, can slide, be in the state of opening or closing with respect to described housing unit, it is characterized in that
Described print head assembly comprises printhead and fixed head, and described printhead flexibly connects by described fixed head and described housing unit, and described fixed head is provided with guide part;
Described rubber roll and described pull assembly articulate, when the described relatively housing unit of described pull assembly slides, the two ends of described rubber roll contact with described guide part, described guide part jack-up is lifted described printhead, when the described relatively housing unit of described pull assembly is closed, the two ends of described rubber roll and described targeting part from, described printhead cooperates with described rubber roll is tangent.
2. drawer type printer as claimed in claim 1, it is characterized in that, be symmetrically arranged with elongated slot on the left side wall of described housing unit and the right side wall, the length direction of described elongated slot is provided with along described pull assembly glide direction, and described elongated slot is provided with opening in the downstream along described pull assembly pull-out direction;
The external diameter at the groove width of described elongated slot and the two ends of described rubber roll is suitable, and when the blind end clamping of the two ends of described rubber roll and described elongated slot, described printhead cooperates with described rubber roll is tangent.
3. drawer type printer as claimed in claim 1 or 2 is characterized in that described print head assembly also comprises first flexible member, described fixed head comprises left plate, right plate and gripper shoe, described gripper shoe is vertically set between described left plate and the right plate, wherein
Described printhead is fixedlyed connected with described gripper shoe and between described left plate and right plate;
Described guide part is flange shape, is arranged on the end away from described gripper shoe of described left plate and right plate;
Described first flexible member, one end is connected with described gripper shoe, and the other end is connected with the top board of described housing unit.
4. drawer type printer as claimed in claim 3 is characterized in that, the left side wall of described housing unit and right side wall inboard are symmetrically arranged with the reference column perpendicular to described left side wall and right side wall;
Be respectively arranged with locating slot on described left plate and the right plate, described locating slot is pegged graft with described reference column and is cooperated.
5. drawer type printer as claimed in claim 3 is characterized in that, also comprises:
Fixed leg, the one end is connected with described top board is vertical, and its other end is unsettled, and described gripper shoe is pegged graft versatilely with the free end of described fixed leg away from an end of printhead and is cooperated.
6. drawer type printer as claimed in claim 1 or 2 is characterized in that, also comprises the paper storehouse, and fixedlying connected with described pull assembly in described paper storehouse, and opens or closes with the slip of described pull assembly.
7. drawer type printer as claimed in claim 1 or 2 is characterized in that, comprises also and the latch assembly of described pull member hinges that when the described relatively housing unit of described pull assembly was in closed condition, described latch assembly was connected with described housing unit.
8. drawer type printer as claimed in claim 7 is characterized in that, described latch assembly comprises spanner, rotating shaft, lock shaft and second flexible member, wherein,
Described rotating shaft is arranged on the described pull assembly, and described spanner and described rotating shaft are hinged;
Described lock shaft is fixedly installed on the left side wall and/or right side wall of described housing unit, and when the described relatively housing unit of described pull assembly was in closed condition, described lock shaft cooperated with described spanner clamping;
Described second flexible member, one end is connected with described pull assembly, and the other end is connected with described spanner.
9. drawer type printer as claimed in claim 8, it is characterized in that, described spanner comprises operating portion and tight lock part, wherein said operating portion is exposed at the outside of described pull assembly, described tight lock part is fixedlyed connected with described operating portion, when the described relatively housing unit of described pull assembly was in closed condition, described tight lock part cooperated with described lock shaft clamping.
10. drawer type printer as claimed in claim 8 is characterized in that, described lock shaft is symmetricly set on the left side wall and right side wall of described housing unit, and described second flexible member is two and is symmetricly set on described pull assembly both sides.
CN2011201021261U 2011-04-08 2011-04-08 Drawer-type printer Expired - Lifetime CN202079918U (en)

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CN103303004A (en) * 2013-06-17 2013-09-18 天津光电通信技术有限公司 Door connecting bar for linkage sliding door mechanism in office equipment
CN103309223A (en) * 2013-06-17 2013-09-18 天津光电通信技术有限公司 Linkage sliding door mechanism for office equipment
CN111546794A (en) * 2020-05-15 2020-08-18 扬州兆森电子科技有限公司 Printer with printer accessory receiver
CN112339444A (en) * 2020-10-30 2021-02-09 朱文强 Thermal printer
CN112756989A (en) * 2020-12-31 2021-05-07 浦项(张家港)不锈钢股份有限公司 Method for enabling welding line of stainless steel multi-coil continuous operation grinding unit to pass through wiper

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303004A (en) * 2013-06-17 2013-09-18 天津光电通信技术有限公司 Door connecting bar for linkage sliding door mechanism in office equipment
CN103309223A (en) * 2013-06-17 2013-09-18 天津光电通信技术有限公司 Linkage sliding door mechanism for office equipment
CN103309223B (en) * 2013-06-17 2015-08-12 天津光电通信技术有限公司 Office equipment interlock door mechanism
CN111546794A (en) * 2020-05-15 2020-08-18 扬州兆森电子科技有限公司 Printer with printer accessory receiver
CN112339444A (en) * 2020-10-30 2021-02-09 朱文强 Thermal printer
CN112756989A (en) * 2020-12-31 2021-05-07 浦项(张家港)不锈钢股份有限公司 Method for enabling welding line of stainless steel multi-coil continuous operation grinding unit to pass through wiper

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