CN1883951B

CN1883951B - Protective cap structure of printer cartridge

Info

Publication number: CN1883951B
Application number: CN2005100812486A
Authority: CN
Inventors: 魏彦杰
Original assignee: Asia Optical Co Inc
Current assignee: Asia Optical Co Inc
Priority date: 2005-06-24
Filing date: 2005-06-24
Publication date: 2011-02-23
Anticipated expiration: 2025-06-24
Also published as: CN1883951A

Abstract

The invention discloses a protection cover structure for a printer ink cartridge which comprises a cover body, a guide member, a base and a spring, wherein the cover body comprises a protection part contacting with and protecting the ink cartridge and a base part extending from the protection part and provided with a concave-convex fitting device; the guide member is fixed on the base and comprises a fixing part and a sliding guide part, the fixing part and sliding guide part correspond to the concave-convex fitting device of the cover body and can guide the cover body to move with the fixing part as axis and along the sliding guide part. The spring fits with the cover body and provides a restoring force for the movement along the sliding guide part. The protection cover structure has advantages of few components, simple structure, low cost, easy assembling and disassembling, and can save inside space of the printer.

Description

A kind of over cap structure of ink-cases of printers

[technical field]

The present invention relates to a kind of over cap structure of ink-cases of printers, refer to a kind of printer space of saving especially, make the smaller and more exquisite print cartridge over cap structure of printer apparent size.

[background technology]

The print cartridge over cap is a kind of printer that is installed on, and is used to protect the protection mechanism of print cartridge print-head nozzle.When print cartridge was not in running order, over cap covered the nozzle of print cartridge printhead, the spray nozzle clogging dry and hard and that cause because of ink is dry and hard with the ink that prevents the nozzle place.

Common ink-cases of printers protective device can be with reference to figure 1 and Fig. 2 at present.Shown in Figure 1A, first kind of printer comprises print cartridge 80, over cap 81 and chute 82.Print cartridge over cap 81 can move forward and backward along chute 82.When printer was in print state, print cartridge 80 moved around on the printing track according to the instruction of printer, and at this moment, over cap 81 is positioned at the rear of chute 82.Shown in Figure 1B; after the print out task of printer finished, print cartridge 80 returned back to initial position, and over cap 81 also moves forward until both along chute 82 and joins simultaneously; the parts of plastics of over cap 81 covers the printhead of print cartridge 80, and is dry and hard with the ink at the nozzle place that prevents printhead.

Second kind of common ink-cases of printers over cap is as seen shown in Figure 2.As Fig. 2 A, second kind of printer comprise print cartridge 90, over cap 91, with over cap 91 relatively-stationary riser 92 and linkages 93.When printer was in print state, over cap 91 stayed in print cartridge 90 1 sides, and riser 92 is positioned at after the over cap 91; As Fig. 2 B, after printer finished print out task, print cartridge 90 resetted until contacting at riser 92 to over cap 91 1 side shiftings.Print cartridge 90 contacts at riser 92 back to be continued to move, and by riser 92 being applied active force to drive linkage 93, over cap 91 is risen, and makes the parts of plastics of over cap 91 cover the printhead of print cartridge 90.

Although present two kinds of ink-cases of printers over caps commonly used all can be protected the printhead of print cartridge, withered to prevent the print-head nozzle ink, even stop up.Yet, because above-mentioned these two kinds of required activity spaces of over cap are excessive, cause the appearance and size of printer to strengthen, with present consumer to this series products short and small light requirement disagree.And this type of print cartridge over cap structure is complicated, and installation and removal are comparatively inconvenience all, and this brings difficulty also for the maintenance of print cartridge.

In view of the foregoing, the present invention proposes a kind of over cap structure of new ink-cases of printers.

[summary of the invention]

The objective of the invention is to propose a kind of over cap structure of ink-cases of printers, this structure can reduce the scope of activities of over cap, saves the inner space of printer, to satisfy the consumer for the light requirement of Xiao Bao as far as possible of printer profile.

Purpose of the present invention can be achieved through the following technical solutions: a kind of over cap structure of ink-cases of printers, it comprises lid, guide, base and spring.Wherein, lid comprises protection portion that is used to protect print cartridge and the base portion that extends from protection portion, and base portion is provided with the convex-concave adapting device.Guide is fixed on the base, and it comprises a fixed part and a slide-and-guide portion, the convex-concave adapting device of this fixed part, the corresponding lid of slide-and-guide portion, and bootable lid is that guiding movement is made along slide-and-guide portion in the axle center with the fixed part.This spring action is the restoring force to provide it to move along slide-and-guide portion on this lid.

Compared with prior art, in the over cap structure of ink-cases of printers of the present invention, lid is that guiding movement is made along slide-and-guide portion in the axle center with the fixed part of guide, and its start scope is little, can save the printer space, makes the printer apparent size smaller and more exquisite.Simultaneously, this over cap structure is simplified traditional print cartridge over cap structure, has reduced the component parts quantity of over cap, obviously reduces the cost of over cap structure, and can also make assembling of print cartridge over cap structure and dismounting simply, conveniently.

[description of drawings]

Figure 1A is in schematic diagram under the print state for a kind of existing print cartridge over cap structure at printer.

Figure 1B is in schematic diagram under the idle state for the existing print cartridge over cap structure among Figure 1A at printer.

Fig. 2 A is in schematic diagram under the print state for another kind of existing print cartridge over cap structure at printer.

Fig. 2 B is in schematic diagram under the idle state for existing print cartridge over cap structure shown in Fig. 2 A at printer.

Fig. 3 A is the over cap structural diagrams of a kind of ink-cases of printers of preferred embodiment of the present invention.

Fig. 3 B is the three-dimensional icon of the over cap structure of ink-cases of printers among Fig. 3 A.

Fig. 4 is the three-dimensional icon of the lid of over cap structure of the present invention.

Fig. 5 is the three-dimensional icon of the fixed frame of over cap structure of the present invention.

Fig. 6 is the three-dimensional icon of the guide of over cap structure of the present invention.

[specific embodiment]

Please refer to shown in Fig. 3 A and Fig. 3 B, the over cap structure of a kind of ink-cases of printers of the present invention is actually a kind of nozzle that is used to protect the print cartridge printhead, prevent that the ink of nozzle is dry and hard even cause the protective device of spray nozzle clogging, it comprise lid 1, be connected and guide rotationally with the fixed frame 2 of lid 1 Joint, with fixed frame 2 lid 1 start guide 3, be used for fixing guide 3 with the base 5 of the start of stablize lid 1 and the spring 4 of connection base 5 and fixed frame 2; Understandable, be to run after fame at this so-called lid 1 with its general material, be not the necessary restrictive condition of this member, as long as can provide the lid of equity or similar function all can satisfy necessary condition of the present invention.

Please with further reference to shown in Figure 4, lid 1 comprises that one upwards opens the bucket-shaped protection portion 11 of square orifice and a square shape base portion 12 that extends from protection portion 11 lower ends.This square shape base portion 12 is provided with front face, rear surface 121 (rear surface is not shown) and left wall, right wall 122.Wherein, the position near protection portion 11 is respectively equipped with

projection

1211 and 1221 on front face, rear surface 121 and left wall, the right wall 122.

Please refer to Fig. 5 and shown in Figure 6, fixed frame 2 is a quadra structure that cooperates with the base portion 12 of lid 1.This fixed frame 2 comprises respectively and the front face of base portion 12, a pair of antetheca and the rear wall 21 that rear surface 121 cooperates, a pair of Zuo Bi that cooperates with left wall, right wall 122 and right wall 22 respectively, and a diapire (not shown).Be respectively equipped with

shrinkage pool

211 and 221 on its antetheca, rear wall 21 and Zuo Bi, the right wall 22 corresponding to projection 1211 and 1221.Wherein, this antetheca and rear wall 21 also be respectively equipped with a pair of gudgeon 212 as the pin-joint mechanism of over cap and a pair of slide block 213 as the guiding mechanism of over cap of the present invention, be convexly equipped with a reference column 23 downwards at a end on this diapire near slide block 213.

Guide 3 comprises T font header board 32, the back plate 33 that pair of parallel is provided with, and connects a plate 31 of described header board 32, back plate 33.Wherein, the top of header board 32, back plate 33 is respectively equipped with a fixing hole 322,332 and is respectively the arcuation gathering sill 321,331 in the center of circle with fixing hole 322,332.The gudgeon 212 of described fixing hole 322,332 and gathering sill 321,331 and fixed frame 2 and slide block 213 are corresponding and establish.The top of described header board 32 and back plate 33 and antetheca, rear wall 21 and the right wall 22 that connecting plate 31 3 bread enclose fixed frame 2.Fixing hole 322,332 matches with the pin-joint mechanism gudgeon 212 of fixed frame 2, and gathering sill 321,331 matches with the guiding mechanism slide block 213 of fixed frame 2, so that the correct guidance effect of this fixed frame 2 and lid 1 active procedure to be provided.

During assembling, lid 1 is inserted in the fixed frame 2 from top to bottom, and wherein

projection

1211 and 1221 is snapped into respectively and makes base portion 12 and fixed frame 2 firm engagement in the

shrinkage pool

211 and 221 of fixed frame 2.In the space that the header board 32 that fixed frame 2 is contained in guide 3 and back plate 33 and 31 semi-surroundings of connecting plate form, a pair of gudgeon 212 on the antetheca of fixed frame 2 and the rear wall 21 and slide block 213 are contained in respectively in fixing hole 322,332 and the gathering sill 321,331.Masterpiece is down moving outside, and fixed frame 2 can pass through the cooperation of gudgeon 212, is run-on point with fixing hole 322,332, is that rotary motion trace drives lid 1 do rotation moving with gathering sill 321,331.The T font bottom of guide 3 cooperates fixing (seeing Fig. 3 A) with base 5, thus the start of stablizing lid 1.In addition, spring 4 connects base 5 and fixed frame 2, and the one end hook is buckled on the base 5, and the other end is sheathed on the reference column 23 of fixed frame 2.

Under normal condition, because the elastic force of spring 4, a side of lid 1 and fixed frame 2 is the axle center with fixing hole 322,332, is picked up along the track of gathering sill 321,331.When print cartridge moves to lid 1 and fixed frame 2, and during the upper surface of the lid 1 of conflicting, the side that lid 1 is lifted is subjected to the active force of print cartridge, and along the downward moving of track of gathering sill 321,331, spring 4 is pushed downwards; The opposite side of lid 1 is then slightly lifted owing to moving, makes lid 1 cover print cartridge, reaches the purpose of protection printer nozzle.After print cartridge was removed, under the restoring force effect of spring 4, lid 1 resetted.

Understand easily, in an inferior good embodiment, as long as adopt intensity and the moderate material of pliability, fixed frame 2 can also one-body moldedly be combined as a whole with lid 1 two members among the present invention, that is to say, directly will be arranged on the base portion 12 of lid 1 as the gudgeon 212 of pin-joint mechanism and as the slide block 213 of guiding mechanism.

The over cap structure of a kind of ink-cases of printers proposed by the invention; be the axle center along the suitably rotation and contacting of the guiding of slide-and-guide portion (being gathering sill 321,331) with the fixed part (being fixing hole 322,332) of guide 3 only with the nozzle of print cartridge by lid 1; the purpose of the nozzle of protection print cartridge can be provided; the start scope of this lid 1 is little; can save the printer space, make the printer apparent size smaller and more exquisite.Simultaneously, this over cap has been simplified traditional print cartridge over cap structure, has reduced the over cap component count, obviously reduces the cost of over cap structure, and can also make assembling of print cartridge over cap structure and dismounting simply, conveniently.

Claims

1. the over cap structure of an ink-cases of printers, it comprises lid, guide, base and elastic parts, wherein said lid comprises the protection portion of contact and protection print cartridge and extends and be provided with the base portion of adapting device from protection portion, base and described guide are affixed, in order to stablize the start of over cap, elastic parts, restoring force to provide lid to move along slide-and-guide portion is provided with guide, it is characterized in that: described guide comprises a fixed part and a slide-and-guide portion, described fixed part, the adapting device of the corresponding over cap of slide-and-guide portion, bootable described lid is that guiding movement is made along slide-and-guide portion in the axle center with the fixed part, wherein said elastic parts is a spring, under normal condition, because the elastic force of described spring, lid is lifted along slide-and-guide portion; When print cartridge moves to lid, and when compressing the upper surface of lid, lid is depressed along slide-and-guide portion by print cartridge, and covers print cartridge.

2. the over cap structure of a kind of ink-cases of printers as claimed in claim 1, it is characterized in that: the fixed part of described guide is a circular hole, described slide-and-guide portion is one to be the arc groove in the center of circle with the fixed part.

3. the over cap structure of a kind of ink-cases of printers as claimed in claim 1, it is characterized in that: described lid is made with plastic material, and its base portion is provided with projection.

4. the over cap structure of a kind of ink-cases of printers as claimed in claim 1, it is characterized in that: the over cap structure of described ink-cases of printers further comprises a fixed frame, and described lid cooperates with guide by fixed frame.

5. the over cap structure of a kind of ink-cases of printers as claimed in claim 4 is characterized in that: described fixed frame is provided with a location device, and described spring is arranged between fixed frame and the base and is sheathed on the reference column.

6. the over cap structure of an ink-cases of printers; it comprises: lid, guide and return unit; wherein said lid comprises the protection portion of contact and protection print cartridge and the base portion that extends from protection portion; and be provided with pin-joint mechanism and slide mechanism; described return unit acts on lid and the restoring force of start is provided; it is characterized in that: guide is respectively equipped with articulated section with matching and slide-and-guide portion corresponding to the pin-joint mechanism and the slide mechanism of described lid; described lid cooperates with guide, and can described articulated section be that the guiding rotation is done along slide-and-guide portion in the axle center.

7. the over cap structure of a kind of ink-cases of printers as claimed in claim 6, it is characterized in that: the fixed part of described guide is a circular hole, described slide-and-guide portion is one to be the arc groove in the center of circle with the fixed part.

8. the over cap structure of a kind of ink-cases of printers as claimed in claim 7 is characterized in that: corresponding articulated section of the base portion of described lid and slide-and-guide portion are provided with projection respectively.

9. the over cap structure of a kind of ink-cases of printers as claimed in claim 8 is characterized in that: when print cartridge moves to over cap, and when compressing the upper surface of lid, lid is depressed along slide-and-guide portion by print cartridge, and covers print cartridge; When print cartridge left over cap, return unit ordered about lid and is picked up along slide-and-guide portion.