A kind of ink-jet printer ink electromagnetic pump
Technical field
This utility model relates to ink-jet printer manufacturing technology field, especially a kind of ink-jet printer ink electromagnetic pump.
Background technology
Printer is one of outut device of computer, for computer disposal result is printed upon associated media.In daily life, we are most commonly seen and practical is laser printer and ink-jet printer the most frequently, and laser printer types speed is fast, prints low cost, is particularly suited for black and white and prints;And when colour print, often select ink-jet printer.
Ink-jet printer is the one of printer, mixes with the ink of various colors and prints.Ink-jet printer can accurately be injected in large number of microscopic ink droplets (the most several picoliters) on medium to be printed, and for color printer includes photo-printer having, ink-jetting style is absolute main flow.Owing to ink-jet printer can be not only limited to the ink of three kinds of colors, have now the ink-jet printer of six colors even seven color ink box, its color gamut is already beyond the limitation of tradition CMYK, have also exceeded the effect of four-color process, the photo printed off can match in excellence or beauty the photograph of conventional flush, even has the ink of fire resistance characteristic to list.
In print procedure, be accurately ejected on medium by ink, as long as rely on is ink electromagnetic pump, the quality of its quality will directly influence performance and the physical life of whole ink-jet printer.Being provided with a unilateral initiative valve in ink electromagnetic pump, in existing ink electromagnetic pump, this unilateral initiative valve, from the external connection of ink electromagnetic pump, has thus resulted in structure complicated, connects difficulty, and the defect that fault rate is high, its structure is further improved.
Summary of the invention
Technical problem to be solved in the utility model is the present situation for prior art, it is provided that simple in construction, compact, compact, service life length a kind of ink-jet printer ink electromagnetic pump.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is:
A kind of ink-jet printer ink electromagnetic pump, including being provided with the coil block connecing electricity foot, the body being made up of water inlet tap, plunger tube, faucet is placed on coil block, the middle part of water inlet tap extends inwardly to form water inlet end back-up ring, the middle part of faucet extends inwardly to form water side back-up ring, is provided with dynamic iron core in the body between water inlet end back-up ring and water side back-up ring;Move and between iron core and water inlet end back-up ring, be provided with water inlet end big spring, move and between iron core and water side back-up ring, be provided with water side big spring, it is provided with pad between this water side big spring and water side big spring, the lower central of dynamic iron core offers logical ink hole, it is provided with dynamic iron core seal head in the upper chamber of dynamic iron core, between this dynamic iron core seal head and pad, is provided with turriform spring.
The technical measures optimized also include:
Being provided with water inlet end seal head in the lower cavity of above-mentioned water inlet tap, be provided with water inlet end little spring between this water inlet end seal head and described water inlet end back-up ring, the lower end of water inlet tap is provided with water inlet tap stopper, and the center of this water inlet tap stopper offers water inlet.
Being provided with water side seal head in the upper chamber of above-mentioned faucet, be provided with water side little spring between this water side seal head and described water side back-up ring, the upper end of faucet is provided with faucet stopper, and the center of this faucet stopper offers outlet.
Above-mentioned water inlet end back-up ring and described water inlet tap are formed in one structure.
Above-mentioned water side back-up ring and described faucet are formed in one structure.
The periphery laser welding of the upper end of above-mentioned plunger tube and described faucet is fixed, and the periphery laser welding of the lower end of plunger tube and described water inlet tap is fixed.
It is provided with O-ring seals between upper end and the outer wall of described faucet of above-mentioned plunger tube.
The lower end of above-mentioned coil block is provided with taper spring washer.
This utility model one ink-jet printer ink electromagnetic pump, the lower central of dynamic iron core offers logical ink hole, it is provided with dynamic iron core seal head in the upper chamber of dynamic iron core, this dynamic iron core seal head matches with logical ink hole in the effect of turriform spring, thus constitute check valve, this check valve is arranged in the body being made up of water inlet tap, plunger tube, faucet, so that whole ink electromagnetism pump structure is simpler, compact, volume is less, and dynamic iron core is also beneficial to the raising in electromagnetic pump service life in pipe body activity.
The middle part of water inlet tap extends inwardly to form water inlet end back-up ring, the middle part of faucet extends inwardly to form water side back-up ring, water inlet end big spring is isolated by water inlet end back-up ring with water inlet end little spring, water side back-up ring is by water side big spring and the isolation of water side little spring, effectively prevent the direct contact between spring, it is possible to improve service life further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is sectional structure schematic diagram of the present utility model;
Fig. 3 is A portion enlarged drawing in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
It is structural representation of the present utility model as shown in Figure 1 to Figure 3,
Reference therein is: coil block 1, connect electricity foot 11, taper spring washer 12, water inlet tap 2, water inlet end back-up ring 21, water inlet end seal head 22, water inlet end little spring 23, water inlet tap stopper 24, water inlet 24a, plunger tube 3, O-ring seals 31, faucet 4, water side back-up ring 41, water side seal head 42, water side little spring 43, faucet stopper 44, outlet 44a, dynamic iron core 5, water inlet end big spring 51, water side big spring 52, pad 53, logical ink hole 54, dynamic iron core seal head 55, turriform spring 56.
As shown in Figure 1 to Figure 3,
A kind of ink-jet printer ink electromagnetic pump, including being provided with the coil block 1 connecing electricity foot 11, the body being made up of water inlet tap 2, plunger tube 3, faucet 4 is placed on coil block 1, the middle part of water inlet tap 2 extends inwardly to form water inlet end back-up ring 21, the middle part of faucet 4 extends inwardly to form water side back-up ring 41, is provided with dynamic iron core 5 in the body between water inlet end back-up ring 21 and water side back-up ring 41;Move and between iron core 5 and water inlet end back-up ring 21, be provided with water inlet end big spring 51, move and between iron core 5 and water side back-up ring 41, be provided with water side big spring 52, it is provided with pad 53 between this water side big spring 52 and water side big spring 52, the lower central of dynamic iron core 5 offers logical ink hole 54, it is provided with dynamic iron core seal head 55 in the upper chamber of dynamic iron core 5, between this dynamic iron core seal head 55 and pad 53, is provided with turriform spring 56.
The setting of plunger tube 3, water inlet tap 2 and the faucet 4 made by permeability magnetic material separate, it is to avoid the generation of magnetic open circuit.
In embodiment, water inlet end seal head 22 it is provided with in the lower cavity of water inlet tap 2, being provided with water inlet end little spring 23 between this water inlet end seal head 22 and described water inlet end back-up ring 21, the lower end of water inlet tap 2 is provided with water inlet tap stopper 24, and the center of this water inlet tap stopper 24 offers water inlet 24a.
In embodiment, water side seal head 42 it is provided with in the upper chamber of faucet 4, being provided with water side little spring 43 between this water side seal head 42 and described water side back-up ring 41, the upper end of faucet 4 is provided with faucet stopper 44, and the center of this faucet stopper 44 offers outlet 44a.
In embodiment, water inlet end back-up ring 21 and described water inlet tap 2 are formed in one structure.
In embodiment, water side back-up ring 41 and described faucet 4 are formed in one structure.
In embodiment, the periphery laser welding of the upper end of plunger tube 3 and described faucet 4 is fixed, and the periphery laser welding of the lower end of plunger tube 3 and described water inlet tap 2 is fixed.
In embodiment, between upper end and the outer wall of described faucet 4 of plunger tube 3, it is provided with O-ring seals 31.
In embodiment, the lower end of coil block 1 is provided with taper spring washer 12.
Above-mentioned water inlet end seal head 22, water side seal head 42 and dynamic iron core seal head 55 are made by PTFE (politef) material.
As in figure 2 it is shown, the upper end of faucet 4 and plunger tube 3 fixes, and arranging O-ring seals 31 to ensure its sealing at faucet 4 and plunger tube 3, water inlet tap 2 fixes with the lower end of plunger tube 3.Water inlet end little spring 23, water inlet end seal head 22 and water inlet tap stopper 24 it is provided with in the lower cavity of water inlet tap 2, the upper end of water inlet end little spring 23 offsets with water inlet end back-up ring 21, its lower end offsets with water inlet end seal head 22, makes water inlet end seal head 22 seal with the water inlet 24a on water inlet tap stopper 24 and coordinates;Faucet stopper 44, water side little spring 43 and water side seal head 42 it is provided with in the upper chamber of faucet 4, the upper end of water side little spring 43 offsets with faucet stopper 44, its lower end offsets with water side seal head 42, makes water side seal head 42 seal with water side back-up ring 41 and coordinates.
In the body being made up of faucet 4, plunger tube 3 and water inlet tap 2, between water side back-up ring 41 and water inlet end back-up ring 21, it is provided with water side big spring 52, pad 53, dynamic iron core 5, turriform spring 56, dynamic iron core seal head 55 and water inlet end big spring 51;The upper end of water side big spring 52 offsets with water side back-up ring 41, its lower end offsets with the upper surface of pad 53, the lower surface of pad 53 offsets with the upper end of dynamic iron core 5, and the dynamic lower end of iron core 5 offsets with the upper end of water inlet end big spring 51, and the lower end of water inlet end big spring 51 offsets with water inlet end back-up ring 21;The upper end of the turriform spring 56 in dynamic iron core 5 offsets with pad 53, and the lower end of turriform spring 56 offsets with dynamic iron core seal head 55, makes iron core seal head 55 seal with the logical ink hole 54 on dynamic iron core 5 and coordinates.
Dynamic iron core 5 is movable between water side back-up ring 41 and water inlet end back-up ring 21 under electromagnetic force, and its stroke determines the size of ink flowrate.In whole electromagnetic pump, water inlet end seal head 22 and water inlet 24a, dynamic iron core seal head 55 and logical ink hole 54, water side seal head 42 seal respectively with water side back-up ring 41 and coordinate and constitute three check valves.
When coil block 1 power-off, at water inlet 24a, at logical ink hole 54 and at water side back-up ring 41, it is in closed mode;After coil block 1 is energized, at this moment water inlet 24a at when dynamic iron core 5 first moves downward, lead at ink hole 54 and at water side back-up ring 41 still in closed mode, next along with the generation pull of vacuum that moves upward of dynamic iron core 5, making to open at water inlet 24a, ink enters from water inlet 24a;Ink utilizes the thrust of ink to overcome the elastic force of turriform spring 56 to be pushed up by dynamic iron core seal head 55 after entering, so that opening at logical ink hole 54;Meanwhile, thrust and the thrust of ink that dynamic iron core 5 moves upward jointly act on and being pushed up by water side seal head 42, so that opening at water side back-up ring 41, ink finally flows out from outlet 44a.
Most preferred embodiment of the present utility model illustrates, those of ordinary skill in the art the various changes made or remodeling are all without departing from scope of the present utility model.