阅读说明：本技术 一种活塞式意式咖啡机 (Piston type Italian coffee machine ) 是由 李晓冰 于 2021-09-10 设计创作，主要内容包括：本发明公开了一种活塞式意式咖啡机,涉及咖啡机技术领域,包括壳体,壳体的内部自上而下分别设有热水储存腔和安装腔,安装腔的内部安装有导水组件,壳体的底部安装有连接件,连接件的内部连接有存放盒,存放盒的内部设有咖啡粉仓,咖啡粉仓的顶部安装有进水挡片,咖啡粉仓的底部安装有保压过滤组件,和以往的咖啡机相比,本设备通过热水积压产生压力的方式,可对硅胶球进行挤压,使其变形产生缝隙,最终达到咖啡喷射而出的效果,不仅制作出的咖啡口感更加,而且全程自动化操作,不需手动按压,更加的安全可靠,且有效的提高了制作效率,另外本设备,结构更加紧凑,极大的减少了空间占用面积,同时使用更加方便快捷,减少了等待时间。(The invention discloses a piston type Italian coffee machine, which relates to the technical field of coffee machines and comprises a shell, wherein a hot water storage cavity and an installation cavity are respectively arranged in the shell from top to bottom, a water guide assembly is arranged in the installation cavity, a connecting piece is arranged at the bottom of the shell, a storage box is connected in the connecting piece, a coffee powder bin is arranged in the storage box, a water inlet blocking piece is arranged at the top of the coffee powder bin, and a pressure maintaining filtering assembly is arranged at the bottom of the coffee powder bin. The occupied space is greatly reduced, the use is more convenient and faster, and the waiting time is reduced.)

1. The piston type Italian coffee machine comprises a shell (1) and is characterized in that a hot water storage cavity (2) and an installation cavity (3) are respectively arranged in the shell (1) from top to bottom, a water guide assembly (4) is installed in the installation cavity (3), a connecting piece (5) is installed at the bottom of the shell (1), a storage box (6) is connected in the connecting piece (5), a coffee powder bin (8) is arranged in the storage box (6), a water inlet blocking piece (7) is installed at the top of the coffee powder bin (8), and a pressure maintaining filtering assembly (9) is installed at the bottom of the coffee powder bin (8);

pressurize filtering component (9) are including installing filtration seat (91) in case (6) bottom, the bottom of filtering seat (91) is installed and is kept pressure seat (95), and its upper end block has filter screen (94), the joint of the inside centre of a circle department of filtering seat (91) and pressurize seat (95) embeds jointly has silica gel ball (97), the top of filtering seat (91) is provided with a plurality of silica gel strips (93) of constituteing the circumference form and distributing, every all leave the gap between silica gel strip (93).

2. A piston type espresso machine according to claim 1, wherein a water tank cover (10) is fastened to the top of the housing (1), a water outlet hole (11) is formed in the bottom of the hot water storage chamber (2), and a plurality of filtering holes (12) are formed in the water inlet blocking piece (7).

3. A piston type Italian coffee machine according to claim 1, characterized in that the water guide component (4) comprises a fixed support (41) and a speed reducing motor (42), the power driving end of the speed reducing motor (42) is connected with a motor shaft (43), an eccentric wheel (44) is sleeved outside the motor shaft (43), a rocker (45) is sleeved outside the eccentric wheel (44), the top of the rocker (45) is connected with a piston (46) through a rotating shaft (416), the upper end of the fixed support (41) is provided with a pump body (47), the water inlet end and the water outlet end of the pump body (47) are respectively connected with a water inlet nozzle (48) and a water outlet nozzle (49), the water inlet end of the pump body (47) is positioned inside the water inlet nozzle (48) and is connected with a water inlet nozzle pressure spring (410), the water inlet end of the water outlet nozzle (49) is connected with a water outlet pressure spring (412), the free ends of the water inlet nozzle pressure spring (410) and the water outlet nozzle pressure spring (412) are respectively connected with a water inlet valve (411) and a water outlet valve (413).

4. A piston-type espresso machine according to claim 3, wherein the storage box (6) has a liquid spray hole (13) formed at the bottom, the gear motor (42) is mounted on one side of the outside of the stationary bracket (41), the pump body (47) has a push slot (417) formed at the bottom, and the piston (46) is located inside the push slot (417).

5. A piston-type espresso machine according to claim 4, wherein a piston rubber ring (415) is sleeved on the outer top end of the piston (46), and the outer surface of the piston rubber ring (415) is attached to the inner wall of the push groove (417).

6. A piston-type Italian coffee machine according to claim 3, characterized in that said inlet valve (411) and outlet valve (413) are both solid arrowheads and are respectively fitted with the outlet ends of the inlet nozzle (48) and pump body (47), the outlet end of said outlet nozzle (49) being connected with a conduit (414).

7. A piston-type espresso machine according to claim 6, wherein the free end of the conduit (414) extends through a side wall of the mounting chamber (3) and forms a fixed connection with the ground coffee bin (8).

8. A piston-type Italian coffee machine according to claim 3, characterized in that the inlet end of the water inlet (48) is connected with the water outlet hole (11), and the centers of the filter seat (91) and the pressure maintaining seat (95) are respectively provided with a first discharging hole (92) and a second discharging hole (96) which are matched with the silica gel ball (97).

9. A piston-type Italian coffee machine according to claim 1, characterized in that the top of the silica gel ball (97) is provided with an extrusion groove (98), the outer surface of the filter base (91) is sleeved with a sealing ring (99), the top of the silica gel strip (93) is attached to the filter screen (94), the top edge of the filter base (91) is provided with a plurality of groups of projections (910) which are equidistantly and circumferentially distributed, and the outer surface of the filter screen (94) is provided with a plurality of groups of side empty grooves (911) which are matched with the projections (910).

Technical Field

The invention relates to the technical field of coffee machines, in particular to a piston type Italian coffee machine.

Background

Traditional coffee machine all adopts the mode preparation of dashing the bubble stirring to form, and not only the taste is relatively poor, and in the manufacturing process, still need artifical manual to press the operation to it, just can guarantee hydrothermal circulation smoothly, not only wastes time and energy, but also reduced the preparation efficiency, in addition, overall structure is comparatively scattered, and interior space utilization is not high to area has been increased, for this, the staff in this field has provided a piston Italian coffee machine.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a piston type Italian coffee machine, which solves the problems that the traditional coffee machines are all manufactured by adopting a brewing and stirring mode, the taste is poor, in the manufacturing process, the hot water can be ensured to smoothly circulate only by manually pressing the coffee machines, time and labor are wasted, the manufacturing efficiency is reduced, in addition, the whole structure is scattered, the utilization rate of the internal space is not high, and the occupied area is increased.

In order to achieve the purpose, the invention is realized by the following technical scheme: a piston type Italian coffee machine comprises a shell, wherein a hot water storage cavity and an installation cavity are respectively arranged in the shell from top to bottom, a water guide assembly is arranged in the installation cavity, a connecting piece is arranged at the bottom of the shell, a storage box is connected in the connecting piece, a coffee powder bin is arranged in the storage box, a water inlet blocking piece is arranged at the top of the coffee powder bin, and a pressure maintaining filter assembly is arranged at the bottom of the coffee powder bin;

the water guide assembly comprises a fixed support and a speed reducing motor, a power driving end of the speed reducing motor is connected with a motor shaft, an eccentric wheel is sleeved outside the motor shaft, a rocker is sleeved outside the eccentric wheel, the top of the rocker is connected with a piston through a rotating shaft, the upper end of the fixed support is provided with a pump body, a water inlet end and a water outlet end of the pump body are respectively connected with a water inlet nozzle and a water outlet nozzle, a water inlet nozzle pressure spring is connected to the water inlet end of the pump body and positioned inside the water inlet nozzle, a water outlet nozzle pressure spring is connected to the water inlet end of the water outlet nozzle, and free ends of the water inlet nozzle pressure spring and the water outlet nozzle pressure spring are respectively connected with a water inlet valve and a water outlet valve;

pressurize filtering component is including installing the filtration seat in the case bottom, the base of pressurize is installed to the bottom of crossing the filter seat, and its upper end block has the filter screen, the common built-in silica gel ball that has of the inside centre of a circle department of crossing filter seat and pressurize seat, the top of crossing the filter seat is provided with a plurality of silica gel strips of constituteing circumference form distribution, every all leave the gap between the silica gel strip.

As a further technical scheme, the top of the shell is clamped with a water tank cover, the bottom of the hot water storage cavity is provided with a water outlet hole, and the inside of the water inlet blocking piece is provided with a plurality of filtering holes.

As a further technical scheme, the bottom of the storage box is provided with a liquid spraying hole, the speed reducing motor is installed on one side of the outer portion of the fixed support, the bottom of the pump body is provided with a push groove, and the piston is located inside the push groove.

As a further technical scheme of the invention, the outer top end of the piston is sleeved with a piston rubber ring, and the outer surface of the piston rubber ring is attached to the inner wall of the push groove.

As a further technical scheme of the invention, the water inlet valve and the water outlet valve are both in a solid arrow shape and are respectively matched with the outlet ends of the water inlet nozzle and the pump body, and the outlet end of the water outlet nozzle is connected with a guide pipe.

As a further technical scheme of the invention, the free end of the guide pipe penetrates through the side wall of the mounting cavity and forms a communicated fixed connection structure with the coffee powder bin.

As a further technical scheme of the invention, the inlet end of the water inlet nozzle is connected with the water outlet hole, and the circle centers of the filter seat and the pressure maintaining seat are respectively provided with a first discharge hole and a second discharge hole which are matched with the silica gel ball.

As a further technical scheme of the invention, the top of the silica gel ball is provided with an extrusion groove, the outer surface of the filter seat is sleeved with a sealing ring, the top of the silica gel strip is attached to the filter screen, the edge of the top of the filter seat is provided with a plurality of groups of circumferentially distributed lugs at equal intervals, and the outer surface of the filter screen is provided with a plurality of groups of side empty grooves matched with the lugs.

Advantageous effects

The invention provides a piston type Italian coffee machine. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a piston Italian coffee machine, through starting gear motor, can drive the piston and carry out reciprocating motion from top to bottom, makes it generate pressure, chews the pressure spring and goes out the effect of water and chew the pressure spring under, can correspondingly open and close water intaking valve and outlet valve to realize sending into hot water operation automatically, compare with the mode of manual pressing in the past, this structure labour saving and time saving more, and efficiency is higher.

2. The utility model provides a piston Italian coffee machine, there is the silica gel ball through the inside block at first discharge opening and second discharge opening, when hot water and coffee powder when the extraction, can avoid outside the liquid outflow equipment, and simultaneously, this structure passes through the mode that hot water overstocks and produces pressure, can extrude the silica gel ball, make its deformation produce the gap, can reach the effect that coffee sprays and goes out, compare with the coffee machine of mixing the stirring in the past, the coffee taste that this structure preparation formed is better, in addition, be provided with the extrusion groove at the silica gel ball surface, can effectually reduce the support dynamics of silica gel ball, and then be convenient for extrude the deformation fast.

3. The utility model provides a piston Italian coffee machine, the inside top-down of casing is equipped with hot water respectively and stores chamber and installation cavity, the internally mounted of installation cavity has the water guide subassembly, the connecting piece is installed to the bottom of casing, the internally connected with case of connecting piece, the inside of case is equipped with the coffee storehouse, the separation blade of intaking is installed at the top in coffee storehouse, pressurize filter assembly is installed to the bottom in coffee storehouse, this equipment, not only the structure is compacter, very big reduction space area occupied, and use convenient and fast more, latency has been reduced, and simultaneously, full automation operates, safety and reliability are higher, and the effectual preparation efficiency that has improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the structure of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an exploded view of the structure of the present invention;

FIG. 5 is a schematic structural view of a water guide assembly according to the present invention;

FIG. 6 is a front structural view of the water guide assembly of the present invention;

FIG. 7 is a top view of the water guide assembly of the present invention;

FIG. 8 is a cross-sectional view taken along line D-D of FIG. 7;

FIG. 9 is a top view of the construction of the pressure maintaining filter assembly of the present invention;

FIG. 10 is a cross-sectional view taken along line B-B of FIG. 9;

fig. 11 is an exploded view of the structure of the pressure maintaining filter assembly of the present invention.

In the figure: 1. a housing; 2. a hot water storage chamber; 3. a mounting cavity; 4. a water guide assembly; 41. fixing a bracket; 42. a reduction motor; 43. a motor shaft; 44. an eccentric wheel; 45. a rocker; 46. a piston; 47. a pump body; 48. a water inlet nozzle; 49. a water outlet nozzle; 410. a pressure spring of the water inlet nozzle; 411. a water inlet valve; 412. a pressure spring of the water outlet nozzle; 413. a water outlet valve; 414. a conduit; 415. a piston rubber ring; 416. a rotating shaft; 417. pushing the groove; 5. a connecting member; 6. a storage box; 7. a water inlet baffle plate; 8. a coffee powder bin; 9. a pressure maintaining filter assembly; 91. a filter base; 92. a first discharge hole; 93. a silica gel strip; 94. filtering with a screen; 95. a pressure maintaining seat; 96. a second discharge hole; 97. a silica gel ball; 98. extruding a groove; 99. a seal ring; 910. a bump; 911. a side empty groove; 10. a water tank cover; 11. a water outlet hole; 12. filtering holes; 13. and (4) liquid spraying holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a piston type Italian coffee machine comprises a shell 1, a hot water storage cavity 2 and an installation cavity 3 are respectively arranged in the shell 1 from top to bottom, a water guide component 4 is arranged in the installation cavity 3, a connecting piece 5 is arranged at the bottom of the shell 1, a storage box 6 is connected in the connecting piece 5, a coffee powder bin 8 is arranged in the storage box 6, a water inlet separation blade 7 is arranged at the top of the coffee powder bin 8, a pressure maintaining filter component 9 is arranged at the bottom of the coffee powder bin 8, a water tank cover 10 is clamped at the top of the shell 1, a water outlet hole 11 is arranged at the bottom of the hot water storage cavity 2, a plurality of filter holes 12 are arranged in the water inlet separation blade 7, and a liquid spraying hole 13 is arranged at the bottom of the storage box 6, the device not only has a more compact structure, but also greatly reduces the space occupation area, is more convenient and rapid to use, reduces the waiting time, and simultaneously has full-process automatic operation, is safer and more reliable, and effectively improves the manufacturing efficiency.

Referring to fig. 5-8, the water guide assembly 4 includes a fixing bracket 41 and a speed reduction motor 42, the speed reduction motor 42 is installed at one side of the outside of the fixing bracket 41, a power driving end of the speed reduction motor 42 is connected with a motor shaft 43, an eccentric wheel 44 is sleeved outside the motor shaft 43, a rocker 45 is sleeved outside the eccentric wheel 44, a piston 46 is connected to the top of the rocker 45 through a rotating shaft 416, a pump body 47 is installed at the upper end of the fixing bracket 41, a push groove 417 is formed at the bottom of the pump body 47, a piston rubber ring 415 is sleeved on the top end of the outside of the piston 46, the outer surface of the piston rubber ring 415 is attached to the inner wall of the push groove 417, the piston 46 is located inside the push groove 417, a water inlet end and a water outlet end of the pump body 47 are respectively connected with a water inlet nozzle 48 and a water outlet nozzle 49, an inlet end of the water inlet nozzle 48 is connected with a water outlet hole 11, a water inlet end of the pump body 47 and an inner portion of the water inlet nozzle 48 are connected with a water inlet pressure spring 410, the water inlet end of the water outlet nozzle 49 is connected with a water outlet nozzle pressure spring 412, the free ends of the water inlet nozzle pressure spring 410 and the water outlet nozzle pressure spring 412 are respectively connected with a water inlet valve 411 and a water outlet valve 413, the water inlet valve 411 and the water outlet valve 413 are both in solid arrow shapes and are respectively matched with the outlet ends of the water inlet nozzle 48 and the pump body 47, the outlet end of the water outlet nozzle 49 is connected with a guide pipe 414, the free end of the guide pipe 414 penetrates through the side wall of the installation cavity 3 and forms a communicated fixed connection structure with the coffee powder bin 8, the piston 46 can be driven to reciprocate up and down by starting the speed reducing motor 42 to generate pressure, the water inlet valve 411 and the water outlet valve 413 can be correspondingly opened and closed under the action of the water inlet nozzle pressure spring 410 and the water outlet nozzle pressure spring 412, and therefore automatic hot water feeding operation is achieved.

Referring to fig. 9-11, the pressure maintaining filter assembly 9 includes a filter base 91 installed at the bottom of the storage box 6, a pressure maintaining base 95 is installed at the bottom of the filter base 91, a filter screen 94 is fastened at the upper end of the pressure maintaining base 91, a silica gel ball 97 is installed in the center of the filter base 91 and the pressure maintaining base 95, a plurality of silica gel strips 93 distributed in a circumferential manner are installed at the top of the filter base 91, a gap is reserved between each silica gel strip 93, a first discharging hole 92 and a second discharging hole 96 matched with the silica gel ball 97 are respectively installed at the center of the filter base 91 and the center of the pressure maintaining base 95, an extrusion groove 98 is installed at the top of the silica gel ball 97, a sealing ring 99 is sleeved on the outer surface of the filter base 91, the top of the silica gel strips 93 are attached to the filter screen 94 at equal intervals, a plurality of sets of bumps 910 distributed in a circumferential manner are installed at the edge of the top of the filter base 91, a plurality of side empty grooves 911 matched with the bumps 910 are installed at the outer surface of the filter screen 94, have the silicon ball 97 through the inside block at first discharge opening 92 and second discharge opening 96, when hot water and coffee powder when the extraction, can avoid outside the liquid outflow equipment, and simultaneously, this structure passes through the mode that hot water overstocks and produces pressure, can extrude silicon ball 97, make its deformation produce the gap, can reach the effect that coffee sprayed and goes out, compare with the coffee machine of mixing the stirring in the past, the coffee taste that this structure preparation formed is better, in addition, be provided with extrusion groove 98 at silicon ball 97 surface, can effectually reduce the dynamics of support of silicon ball 97, and then be convenient for extrude fast and warp.

When the coffee powder storage device is used, the speed reducing motor 42 is started, the eccentric wheel 44 can be driven to rotate under the action of the motor shaft 43, the rocker 45 can be synchronously driven to do eccentric motion when the eccentric wheel 44 rotates, the rocker 45 drives the piston 46 to do up-and-down reciprocating motion inside the push groove 417 through the rotating shaft 416, when the piston 46 moves downwards, the water outlet valve 413 is closed under the action of the difference between the internal and external pressure and the pressure of the water outlet pressure spring 412, the water inlet valve 411 is opened, hot water in the hot water storage cavity 2 can be pumped into the pump body 47, when the piston 46 moves upwards, the water inlet valve 411 is closed under the action of the difference between the internal and external pressure and the pressure of the water inlet pressure spring 410, the water outlet valve 413 is opened, hot water in the pump body 47 can be conveyed to the water inlet baffle 7 through the guide pipe 414, and can be uniformly sprinkled on coffee powder in the coffee powder bin 8 under the action of the water inlet baffle 7.

At this moment, the filter screen 94 can block the coffee powder, the liquid spraying holes 13 can be blocked by the arrangement of the silica gel balls 97, the situation that hot water flows out immediately when entering the coffee powder bin 8 is effectively prevented, then the hot water and the coffee powder are fully extracted and fused, when the overstocked hot water in the coffee powder bin 8 reaches a certain pressure, the silica gel balls 97 are extruded, the arrangement of the extrusion grooves 98 can reduce the supporting force and facilitate extrusion deformation, when gaps occur in the extrusion process, coffee can flow into the gaps of the pressure maintaining seat 95 from the first discharge holes 92, and finally, the coffee can be directly sprayed into the coffee cup from the liquid spraying holes 13, so that the production of the espresso coffee can be completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.