CN2923321Y - Volume-expanding type mini-size printer - Google Patents

Abstract

A flashing mini printer is provided, which is composed of a body skin and an inner housing which is arranged in the body skin with components. The utility model is technically characterized in that the periphery of the inner housing directly inserts into the inside circumference of the body skin and respectively realizes a clamping location with a through hole type neck and a blind hole chase which are arranged at locations corresponding to the body skin through a limit boss and a flexible location boss on pull handles at the two sides of the inner housing, a paper storehouse of the inner housing is provided with a paper containing space for a clamping standard universal paper rolls, an active panel supports the inner housing by pallets, and the inner side of each pallet is provided with the flexible location boss for clamping with a corresponding relevant neck on the inner housing. The utility model has a reasonable design, whereby efficiently overcoming the defects of current printers, which affect the operational performance of the printers, and also has the advantages of an easy assembly and disassembly, a large paper containing space of the paper storehouse, whereby being beneficial to adopting the standard universal paper rolls and reducing the paper changing frequency, availability of self-positioning after a active cover board is opened, markedly improving the use stability and reliability of the printer and lengthening the service life.

Description

The expanding type mini-printer

Technical field

The utility model relates to a kind of various instruments of paper tape formula data printing, printer of instrument of being applicable to, particularly a kind of removable cover is opened the self-align expanding type mini-printer in back.

Background technology

At present, the commercially available various instruments of paper tape formula data printing, the mini-printer of instrument of being used for, because of the instrument that is subjected to installation site restriction, the panel interface of instrument are standardized, so used print unit and colour band, thread switching control road plate, paper roll also all require to standardize, generalization.Some defectives that the inventor once existed at existing mini-printer, design the brand-new mini-printer of structure, as the expanding type mini-printer (patent No. 02274731.1) that has an oblique support plate and housing have expanding type mini-printer (patent No. is 02274730.3) that elasticity is connected panel etc.Though these modified printers have strengthened complete machine intensity, the problems such as housing distortion that cause owing to the deadweight of external force and printing paper have been solved, but, the body of existing mini-printer is the inside and outside combination housing of drawing and pulling type, its structure still has the unreasonable part of design, as be assembled with drop front, thread switching control road plate, print unit, clamp the inner housing of the parts such as paper storehouse of paper roll, realize that by the dedicated track in the shell both sides the reciprocal pull of inner housing moves.In case inner housing derailing, its install alignment housings body both sides simultaneously than narrow gauge track, be difficult to aligned position, this is for non-printer producers' domestic consumer, this operation is effort relatively, and is very easy to produce and gets stuck.Because loading the thread switching control road plate that directly links to each other with custom system and valuable print unit on the inner housing, relatively Fei Li installation way so be easy to cause the reliability of mini-printer complete machine use, causes its stability decreases.In addition, be subjected to existing mini-printer to clamp the structural limitations in the paper storehouse of paper roll, the reel diameter that is installed on the paper roll has only 33mm, is not standard universal type paper roll.Because sizes of rolls is too small, not only increase and change the paper frequency, the installation of effort influences the reliability that printer uses, and sizes of rolls is too small, also be specific (special) requirements customized, be not the 40mm standard universal sizes of rolls that can buy on the market, this purchases paper roll to the user and brings very big difficulty.Because on the mini-printer when paper roll, Ribbon Change, must under the removable cover opening, carry out, and existing mini-printer is assembled in and can not locatees voluntarily after removable cover on the inner housing is opened, this will the paper feeding storehouse changes paper roll and the print unit Ribbon Change causes inconvenience, also damages print unit simultaneously easily.A printer is used by a large amount of non-printer producers the most at last, and that the customer requirements printer uses is reliable, stable performance, to change the paper Ribbon Change convenient, and the consumptive material buying easily.Therefore, existing mini-printer is further improved.

The utility model content

The purpose of this utility model provides a kind of expanding type mini-printer, its reasonable in design, overcome the defective that influences the printer serviceability that prior art exists effectively, have loading and unloading easily, paper capacity paper space is big, has both helped adopting standard rolled paper, can reduce again and change the paper frequency, can realize after removable cover is opened self-align, the reliability that significantly improves the printer use with increase the service life.

The purpose of this utility model is achieved in that this machine comprises shell body and the drop front of assembling in it that has, thread switching control road plate, print unit, clamp the inner housing in the paper storehouse of paper roll, its technical essential is: described inner housing periphery is directly inserted week in the shell body, and by spacing block set and elasticity positioning convex on the pull handle of inner housing both sides, locate with the through-hole type draw-in groove and the clamping of blind-hole type groove at the corresponding position of shell body respectively, the appearance paper space that clamps the standard universal paper roll is arranged in the paper storehouse of inner housing, described drop front utilizes clamp to be supported on the inner housing, the positioning boss of the respective card slot clamping on inboard setting of each clamp and the inner housing.

Because the utility model is improved on the architecture basics of existing expanding type mini-printer, this machine is by spacing block set and elasticity positioning convex on the pull handle of inner housing both sides, locate with the through-hole type draw-in groove and the clamping of blind-hole type groove at the corresponding position of shell body respectively, adopt direct insertion drawing structure, substituted traditional slide rail type drawing structure, utilize the muzzle-loading print unit to enlarge paper capacity paper space, can clamp the standard universal paper roll, reduce and change the paper frequency, so reasonable in design, the housing that has overcome existing printer existence effectively derails easily, is difficult to the defective of aiming at the installation site and influencing the printer serviceability.Because of utilizing clamp, its drop front is supported on the inner housing, the stopping means of the positioning boss of the respective card slot clamping on inboard setting of each clamp on its faying face and the inner housing, can realize after so removable cover is opened self-align, the reliability that significantly improves the printer use with increase the service life.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is a kind of split structural representation of the present utility model.

The specific embodiment

Describe concrete structure of the present utility model in detail according to Fig. 1.This machine comprises shell body 14 and assembling having drop front 1, thread switching control road plate 2, print unit 3, clamp the inner housing 13 in the paper storehouse 5 of paper roll in it.Wherein shell body 14 adopts the shaped as frame structure, and its two ends external stability has engaging lug 9, is used for shell body 14 is installed in the panel interface of instrument, instrument; The traditional narrow gauge track of the inboard cancellation in two ends is provided with through-hole type draw-in groove 7 and blind-hole type groove 8 respectively.All sizes are complementary in the shell body 14 at inner housing 13 peripheral dimension and the position that contacts with it, and spacing block set 4 and elasticity positioning convex 6 are set respectively on the pull handle 12 of inner housing 13 both sides.Because of the contact site of inside and outside housing 13,14 is complementary, so inner housing 13 peripheries can directly be inserted week in the shell body 14,, look for the position can smooth pull and need not align with Zhou Dangzuo track in the shell body, what existing printer can not occur falls rail clip shell phenomenon.Inner housing 13 alignment housings bodies 14 during installation, directly insertion both can install.During pull inner housing 13,, locate with the through-hole type draw-in groove 7 and 8 clampings of blind-hole type groove at shell body 14 corresponding positions respectively by spacing block set 4 on the pull handle 12 of inner housing 13 both sides and elasticity positioning convex 6.In addition, utilize muzzle-loading print unit 3 to be installed in the place ahead of inner housing 13, by reducing the height in line space between thread switching control road plate 2 and the print unit 3, increase the degree of depth of whole inner housing 13, make the space in paper storehouse 5 obtain increasing, so that in paper 5 storehouses of inner housing 13, form the appearance paper space that enlarges, be used for clamping the standard universal paper roll that sizes of rolls is 40mm.Because 5 spaces, paper storehouse after improving can clamp standard rolled paper, change the paper frequency so reduced, improved the reliability that printer uses, the user buys paper roll need not can be directly in the cultural goods market purchasing by producer.Drop front 1 utilizes clamp 11 to be supported on the inner housing 13, and its faying face is provided with stopping means, i.e. the positioning boss 10 of the respective card slot clamping on each clamp 11 inboard setting and inner housing 13.When opening to horizontal line after drop front 1 is opened, the positioning boss 10 of stopping means makes drop front 1 under the effect of no external force, can not fall down voluntarily, and this provides condition very easily to paper roll, Ribbon Change on the printer.

Installing and using of this machine is same as the prior art.

Claims (1)

1, a kind of expanding type mini-printer, comprise shell body and the drop front of assembling in it that has, thread switching control road plate, print unit, clamp the inner housing in the paper storehouse of paper roll, it is characterized in that: described inner housing periphery is directly inserted week in the shell body, and by spacing block set and elasticity positioning convex on the pull handle of inner housing both sides, locate with the through-hole type draw-in groove and the clamping of blind-hole type groove at the corresponding position of shell body respectively, the appearance paper space that clamps the standard universal paper roll is arranged in the paper storehouse of inner housing, described drop front utilizes clamp to be supported on the inner housing, the positioning boss that the respective card slot on inboard setting of each clamp and the inner housing is carried out clamping.