Button bit parts and ribbon cartridge
Technical field
The ribbon cartridge that the utility model relates to a kind of button bit parts and adopts this button bit parts.
Background technology
Ribbon cartridge especially for the ribbon cartridge in the impact printer, has the colour band of a ring-type, also has the box inner driving device that is connected with the printer turning cylinder.
Ribbon cartridge is installed in when working on the printer, because printing head assembly needs shuttling movement back and forth, can produce certain draw to ribbon cartridge.For preventing that ribbon cartridge from takeofing or being shifted when the flying print, when printing the machine product design, is provided with the fixture of ribbon cartridge in printer.So correspondingly designing usually on the housing of ribbon cartridge has button bit, is used for matching with the fixture of printer, thereby the relative printer of ribbon cartridge is fixed.
Fig. 1 has shown that ink ribbon cassette housing is installed to the process on the printer fixture, for illustrate clear for the purpose of, only show ribbon cartridge fixture 2 and ink ribbon cassette housing 1 in the printer among Fig. 1, omitted other parts in printer and the ribbon cartridge.The both sides of ink ribbon cassette housing 1 have sidewall 101, and sidewall 101 is provided with button bit 3.When ribbon cartridge was installed in printer, the attitude that ribbon cartridge is shown with Fig. 1 was installed to downwards on the fixture 2, and fixture 2 is provided with location division 201, is used for button bit 3 is locked in the location division 201.
Fig. 2 has shown that the ink ribbon cassette housing 1 of prior art is fit into the state in the printer fixture 2, and at this moment, button bit 3 is fastened on the location division 201.
Fig. 3 has shown the details that the ribbon cartridge button bit 3 of prior art matches with the location division 201 of printer fixture 2.As shown in Figure 3, the root 32 of button bit parts is one-body molded with the sidewall 101 of ribbon cartridge, the buckling parts 31 that button bit 3 has has the projection of a similar semicolumn, is complementary with the groove of a similar semicolumn on the location division 201, thereby button bit 3 is fixed on the location division 201 of fixture 2.By button bit 3, ribbon cartridge just can be fixed on the printer well.
Since ribbon cartridge with stable cooperation of printer print quality is had very important effect, and the ribbon cartridge button bit is protruding from the ribbon cartridge sidewall, form a cantilever design, very easily damage or stressed inadequately the damage because of colliding with, therefore, the structure of ribbon cartridge button bit just becomes the key of product design, and what how to guarantee the ribbon cartridge button bit should have intensity, and the ribbon cartridge button bit that guarantees to be transported in user's hand do not damage, and becomes the emphasis that ribbon cartridge manufacturer pays close attention to.Common measure has: rounding off is carried out in the corner of button bit root, perhaps set up the blotter of button bit etc. in the packing box of ribbon cartridge.But these measures can not thoroughly be dealt with problems, because existing button bit is integrated with ink ribbon cassette housing, that is, this button bit is molded directly within button bit on the housing of ribbon cartridge by the mould design.Because the button bit of this nearly " S " font often exists stress to concentrate at root, very easily cause button bit root cracking under external force; Therefore and button bit will exceed the length of ink ribbon cassette housing usually, and extruding and impaired very easily is collided in handling process.
Summary of the invention
It is simpler and can effectively avoid the ribbon cartridge that button bit is broken in the handling process that main purpose of the present utility model provides the design of a kind of mould;
Another purpose of the present utility model provides the button bit parts of this ribbon cartridge special use.
This ribbon cartridge comprises the ribbon cartridge body sidewall and is arranged on the described sidewall, is used for the button bit parts that are complementary with the printer fixture, being installed on the ribbon cartridge sidewall of this button bit part detachable.
According to above technical scheme, the button bit parts of ribbon cartridge can be disassembled in transportation, thus prevent these button bit parts in being transported collision and damage.
The utility model also further provides a kind of ribbon cartridge, and the sidewall of this ribbon cartridge is provided with the button bit connecting portion that connects described button bit parts, and the button bit parts are provided with the connecting portion with described button bit connecting portion snapping.
Above-mentioned button bit connecting portion is the slotted eye that runs through above-mentioned sidewall, and the connecting portion of button bit parts is made by elastomeric material, and can insert in the above-mentioned slotted eye, and this box connecting portion is provided with button bit projection and positive stop lug boss.
According to above technical scheme, the button bit parts of ribbon cartridge can mount and dismount very easily, and, in manufacture process, because ribbon cartridge bracelet position parts not, thereby can simplify the mould design of ribbon cartridge.
In addition, the utility model also further provides a kind of ribbon cartridge, and the button bit connecting portion of this ribbon cartridge is an outside boss, and boss is provided with the slotted eye that extends, runs through boss along ribbon cartridge to the printer installation direction; Connecting portion is made and can be inserted in the slotted eye by elastomeric material, also is provided with button bit projection and positive stop lug boss on the connecting portion.
According to above technical scheme, the button bit parts of ribbon cartridge can be disassembled in transportation, perhaps be not disassembled and just rotate an angle, thereby prevent these button bit parts in being transported collision and damage.
The utility model also provides a kind of button bit parts of ribbon cartridge, and these button bit parts comprise the buckling parts that is used for printer fixture fastening, and these button bit parts also are provided with the connecting portion that is used for ribbon cartridge button bit connecting portion snapping.
According to above technical scheme, the button bit parts of ribbon cartridge can be disassembled in transportation, thus prevent these button bit parts in being transported collision and damage.
Description of drawings
Fig. 1 is that existing ink ribbon cassette housing installs to printer fixture schematic diagram before;
Fig. 2 is that existing ink ribbon cassette housing installs to printer fixture schematic diagram afterwards;
Fig. 3 is the A partial enlarged drawing of Fig. 2;
Fig. 4 is the installation diagram of button bit parts among the utility model ribbon cartridge first embodiment;
Fig. 5 is the stereogram of the utility model button bit parts first embodiment;
Fig. 6 is the stereogram of the utility model button bit parts second embodiment;
Fig. 7 is the installation diagram of button bit parts among the utility model ribbon cartridge second embodiment;
Fig. 8 is the stereogram of the utility model button bit parts the 3rd embodiment.
The utility model is described in further detail below in conjunction with drawings and Examples.
The specific embodiment
Ribbon cartridge and button bit parts first embodiment
As shown in Figure 4, for illustrate clear for the purpose of, the part of ink ribbon cassette housing 1 only is shown among Fig. 4, omitted other parts of ribbon cartridge.Button bit parts 4 are inserted in the square slotted eye 102 on the ribbon cartridge sidewall 101 according to the direction shown in the arrow among the figure, finish the installation of button bit parts 4.Slotted eye 102 has the shape that the connecting portion 42 (as shown in Figure 5) with button bit parts 4 is complementary, so that button bit parts 4 can not take place when being installed on the sidewall 101 by moving on the vertical direction at least.
Fig. 5 has shown the concrete structure of button bit parts 4.As shown in the figure, button bit parts 4 comprise buckling parts 41 and connecting portion 42.Buckling parts 41 has a similar semi-cylindrical convex tendon, and this convex tendon can be interlocked with the similar semi-cylindrical groove on the location division 201 of printer fixture; Connecting portion 42 is provided with a pair of linking arm 401 that is in the shape of the letter V and distributes, and the end of each linking arm 401 is provided with button bit projection 402, and root is provided with spacing preiection 403.Button bit projection 402 has an inclined plane near the end of linking arm 401, and this inclined plane is played these button bit parts 4 of guiding and inserted slotted eye 102.
Linking arm 401 has elasticity, therefore when button bit parts 4 insert slotted eye 102, inclined plane and slotted eye inwall are inconsistent, make linking arm 401 produce an elastic deformation of closing up towards the centre, thereby make connecting portion 42 enter into slotted eye 102, when button bit projection 402 is passed slotted eye 102, linking arm 401 resets and opens to both sides, make its button bit projection 402 fasten the inner surface of sidewall 101, simultaneously, spacing preiection 403 is conflicted on the outer surface of sidewall 101, at this moment, under the double action of button bit projection 402 and spacing preiection 403, these connecting portion 42 firm being fixed in the slotted eye 102, thus button bit parts 4 are fixed on the sidewall 101.
When ink ribbon cassette housing 1 is pulled down button bit parts 4, only need in the inboard of sidewall 101 a pair of linking arm 401 to be closed up to the centre to button bit projection 402 application of forces, extract button bit parts 4 then and get final product.
Button bit parts second embodiment
Fig. 6 has shown the stereogram of button bit parts second embodiment.In the present embodiment, button bit parts 5 have buckling parts 51 and connecting portion 52, and connecting portion 52 has a solid connection body 501, this connection body 501 have with ink ribbon cassette housing on the shape that is complementary of slotted eye; End at connecting portion 52 is provided with three arc button bit projectioies 502, and root is provided with spacing preiection 503.Like this, because button bit parts 5 are to be made by elastomeric material, therefore, when the slotted eye that button bit parts 5 insert on the ink ribbon cassette housing, certain deformation takes place arc button bit projection 502 enters in the slotted eye connecting portion 52, after stretching out slotted eye, arc button bit projection 502 resets, the deduction inside surface of side wall, simultaneously, spacing preiection 503 contacts the outer surface of sidewall, like this, button bit parts 5 just have been fixed on the sidewall of ink ribbon cassette housing.
When these button bit parts of dismounting,, therefore only need in the opposite direction button bit parts 5 to be extracted slotted eye 102 along side shown in Figure 4 and get final product with bigger power because button bit projection 502 is arc.
Ribbon cartridge second embodiment and button bit parts the 3rd embodiment
As shown in Figure 7, for illustrate clear for the purpose of, the part of ink ribbon cassette housing 1 only is shown among Fig. 7, omitted other parts of ribbon cartridge.Has a button bit connecting portion 103 that connects button bit parts 6 on the sidewall 101 of ink ribbon cassette housing 1, button bit connecting portion 103 has and sidewall 101 integrated boss 104, boss 104 is provided with along ribbon cartridge and extends, runs through the similar cylindrical slotted eye 105 of boss 104 to the printer installation direction, and this slotted eye 105 has a breach less than the perforation of slotted eye 105 diameters in a side that connects button bit parts 6.The connecting portion 62 (referring to Fig. 8) of button bit parts 6 can be inserted in the slotted eye 105 along the direction shown in the arrow among Fig. 7, finishes the installation of button bit parts 6.
Fig. 8 has shown the concrete structure of button bit parts 6.As shown in Figure 8, button bit parts 6 have buckling parts 61 that is interlocked with the location division 201 of printer fixture 2 and the connecting portion 62 that is connected with button bit connecting portion 103.The button bit projection 603 that connecting portion 62 comprises a similar columniform connection body 601, is positioned at the spacing preiection 602 of the installation direction rear end that connects body 601 and is positioned at the installation direction front end that connects body 601.Button bit projection 603 is similar truncated cone-shaped, and less than the rear end diameter, so that guiding connecting portion 62 enters in the slotted eye 105, and its rear end slightly larger in diameter is in the diameter of slotted eye 105 at the diameter of the front end of installation direction for it.
When connecting portion 62 inserts slotted eye 105, because connecting portion 62 has elasticity, therefore deformation takes place and makes connection body 601 enter into slotted eye 105 in button bit projection 603 under the extruding of the inwall of slotted eye 105, subsequently, button bit projection 603 is stretched out slotted eye 105 and is resetted, and its upper surface contacts the lower surface of boss 104, simultaneously, spacing preiection 602 contacts the upper surface of boss 104, and under the double action of button bit projection 603 and spacing preiection 602, connecting portion 62 in the vertical directions are fixed in the slotted eye 105.
When dismounting button bit parts 6, because boss 104 and connecting portion 62 are made by elastomeric material, therefore because slotted eye 105 has a breach that is slightly smaller than its diameter, can button bit parts 6 be extracted by the breach of slotted eye 105 again, thereby finish the dismounting of button bit parts 6.In a further embodiment, the button bit projection also can be configured to the spherical or analogous shape of semicircle, and like this, the button bit parts also can be extracted slotted eye 105 along the opposite direction shown in the arrow of Fig. 7.
In other embodiments, slotted eye also can be cylindrical, at this moment, the cylindrical protrusions of connecting portion for extending out to the printer installation direction from button bit parts upper edge ribbon cartridge, be provided with button bit projection and positioning convex in above-mentioned same mode on the cylindrical protrusions, like this, this cylindrical protrusions can be inserted in the slotted eye and button bit parts in the vertical direction is installed the location.
Though button bit parts 6 in the vertical directions are fixed, because connection body 601 and slotted eye 105 are the cylindrical or similar cylindrical of coupling mutually, therefore, the button bit parts can turn an angle around the center line of slotted eye 105.When the transportation ribbon cartridge, this design can make button bit parts 6 rotate to the angle of parallel side wall 101 under the situation of not dismantling button bit parts 6, can prevent that on the one hand button bit parts 6 from damaging too much because of protruding ink ribbon cassette housing, also makes things convenient for the packing of ribbon cartridge on the other hand.
Other embodiment of the utility model ribbon cartridge are exactly the concrete application of each embodiment on ribbon cartridge with above button bit parts, repeat no more.
Technical conceive of the present utility model is not limited in the foregoing description, can also obtain many different concrete schemes according to design of the present utility model, for example, the button bit parts can be designed to be fixed on the sidewall by screw, also can be by screw is set on screw thread, the sidewall is connected and fixed etc. being provided with on the button bit parts.Any change, combination and the equivalent transformation that carry out according to design of the present utility model all should be included within the described scope of claim.