TW201815325A - Press pot comprising a press-and-filter mechanism located in a width-variable receiving chamber and comprising a flexible unit looping around and attached to a circumference of a rigid press-and-filter unit for being adapted to variation of width - Google Patents

Abstract

A press pot comprises a pot body and a press device. The pot body comprises a bottom wall and a peripheral wall. The bottom wall and the peripheral wall collaboratively define a receiving chamber. The receiving chamber has a pot opening section and a large-diameter section below the pot opening section. The large-diameter section has a width that is greater than a width of the pot opening section. The press pot comprises a push bar and a press-and-filter mechanism. The press-and-filter mechanism comprises a rigid press-and-filter unit and a flexible press-and-filter unit that is looped around and connected to a circumference of the rigid press-and-filter unit and flexibly abuts the peripheral wall. When the push bar drives the press-and-filter mechanism to move up and down in the receiving chamber, the flexible press-and-filter unit undergoes deformation with the varying width of the receiving chamber and abutting against the peripheral wall so that the press-and-filter mechanism is adapted to the pot body having variable widths to achieve wide applications.

Description

Filter press

The invention relates to a filter press pot, in particular to a filter press pot suitable for squeezing the material to be filtered and filtering liquid.

Referring to FIG. 1, a conventional filter press pot includes a pot body 11 for containing a liquid to be filtered and a substance to be filtered, and a pot cover 13 detachably covered on the top of the pot body 11. And a filter pressure device 12 for filtering and filtering the liquid to be filtered and the material to be filtered contained in the pot body 11. The pot body 11 includes a bottom wall 111 and a peripheral wall 112 extending upward from a peripheral edge of the bottom wall 111. The bottom wall 111 and the peripheral wall 112 cooperate to define a receiving chamber 113 having a pot opening portion 114 on the top and covered by the pot lid 13. The filter pressure device 12 includes a push rod 121 penetrating the pot lid 13 and being driven to move up and down, a filter disc 122 connected to the bottom end of the push rod 121 and matching the shape of the receiving chamber 113, and A handle 123 is connected to the top of the push rod 121 and located above the pot lid 13. The peripheral edge of the filter disc 122 is adjacent to the peripheral wall 112. When it is to be used, force is applied to the handle 123 and the filter disc 122 is moved up and down in the accommodating chamber 113 through the push rod 121, and the liquid to be filtered and the substance to be filtered are squeezed through the filter disc 122 Press and filter.

However, since the filter disc 122 will move vertically up and down in the receiving chamber 113, and the periphery of the filter disc 122 will abut the peripheral wall 112, the shape of the filter disc 122 needs to match the shape of the receiving chamber 113. Therefore, the shape of the peripheral wall 112 is generally a straight cylinder with the same upper and lower widths. If the shape of the pot body 11 changes, for example, it has a narrow mouth and a wide belly shape, that is, the width of the pot mouth portion 114 is reduced and smaller than the filter disc 122. When the width of the filter disc 122 cannot enter the containing chamber 113, and its peripheral edge is difficult to abut the peripheral wall 112, the shape of the pot body 11 will be limited in design. Therefore, the conventional filter The design of the press still needs improvement.

It is therefore an object of the present invention to provide a filter press that overcomes at least the disadvantages of the prior art.

Therefore, the filter press pot of the present invention includes a pot body and a filter press device detachably mounted on the pot body. The pot body includes a bottom wall and a peripheral wall extending upwardly from a peripheral edge of the bottom wall. The bottom wall and the peripheral wall cooperate to define a container chamber, the container chamber having a pot mouth portion at the top, and a A large diameter portion below the pot opening portion, the width of the large diameter portion is greater than the width of the pot opening portion. The filter pressure device includes a push rod that is passed through the mouth of the pot and can be driven to move up and down, and a filter pressure mechanism connected to the bottom end of the push rod and extending into the container. The filter pressure mechanism has a A hard filter unit connected to the bottom end of the push rod and having a width smaller than the width of the mouth of the pot, and a soft filter unit surrounding the periphery of the hard filter unit and flexibly abutting the peripheral wall.

The effect of the present invention is that the soft filter pressure unit is provided at the periphery of the filter pressure mechanism so that the soft filter pressure unit will abut the peripheral wall when it is moved up and down by the push rod, so it can follow The width of the chamber changes and deforms, so that it is suitable for filter presses with non-uniform width up and down.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are represented by the same numbers.

Referring to FIGS. 2 to 4, a first embodiment of the filter press pot according to the present invention includes a pot body 2, a pot cover 4 detachably covering the top of the pot body 2, and a detachable set on the pot body. The filter pressure device 3 of 2 and a heat insulation block 5 detachably disposed in the filter pressure device 3 and located in the pot body 2 when in use.

The pot body 2 includes a circular bottom wall 21, a peripheral wall 22 extending upwardly from a peripheral edge of the bottom wall 21, and a handle 24 disposed on the peripheral wall 22 and capable of being held by a human hand. The bottom wall 21 and the peripheral wall 22 cooperate to define a containing chamber 23 having a pot opening portion 231 at the top and forming an opening, a pot opening portion 231 below the pot opening portion 231 and having a width larger than the pot opening portion. The large-diameter portion 232 of 231 and a small-diameter portion 233 between the pot-mouth portion 231 and the large-diameter portion 232 and having a width smaller than that of the pot-mouth portion 231. The container 23 can be used by a user to pour liquids to be filtered, such as drinking water, honey water, milk, and the like, and to be filtered, such as vegetables, fruits, tea, and the like. The peripheral wall 22 has a spout 234 formed on the top and communicating with the spout portion 231. It should be noted that the design of the small-diameter portion 233 can make the spatial shape of the accommodating chamber 23 have more abundant changes. Of course, in other variations of the first embodiment, the small-diameter portion of the accommodating chamber 23 233 may also be located below the large-diameter portion 232, or the accommodating chamber 23 may have only the pot opening portion 231 and the large-diameter portion 232 without the small-diameter portion 233.

The pot cover 4 is detachably provided on the pot mouth portion 231 and does not cover the pot spout 234. The pot cover 4 is provided for the filter pressure device 3 to pass through.

The filter pressure device 3 includes a long rod-shaped push rod 31 movably erected through the pot lid 4 and standing upright, and a filter pressure mechanism 32 provided at the bottom end of the push rod 31 and extending into the receiving chamber 23. And a handle 33 screwed on the top of the push rod 31 and above the pot lid 4. The push rod 31 has a pointed protrusion 311 located at the top and protruding upward. After the push rod 31 and the handle 33 are screwed, the pointed protrusion 311 will be hidden in the handle 33 without being exposed.

The filter mechanism 32 has a hard filter unit 321 connected to the bottom end of the push rod 31, and a soft filter unit 322 that is connected to the periphery of the hard filter unit 321 and is abutted on the peripheral wall 22 in a flexible manner. And a plurality of filter holes 323 formed in the hard filter pressing unit 321 and the soft filter pressing unit 322. It should be noted that, in other variations of the first embodiment, the filter holes 323 may be formed only on one of the hard filtering unit 321 and the soft filtering unit 322.

The hardness of the hard filter press unit 321 is greater than the hardness of the soft filter press unit 322. The width of the hard filter pressing unit 321 is smaller than the width of the mouth portion 231 and the small diameter portion 232, and the width of the outer periphery of the soft filter pressing unit 322 is greater than or equal to the width of the large diameter portion 233. In the first embodiment, the push rod 31 and the hard filter pressing unit 321 are a hard material, and the material can be an acrylonitrile-butadiene-styrene copolymer (Acrylonitrile Butadiene Styrene, ABS) or polypropylene ( Polypropylene (PP), and the soft filter unit 322 is a soft material and has flexibility. The material can be a thermoplastic rubber (Thermo-Plastic-Rubber, TPR) or a silicone (Silicone). That is, the push rod 31, the hard filter unit 321, and the soft filter unit 322 of the first embodiment are integrally made of different rubber and plastic materials. In manufacturing, several of them are melted with different materials. An injection machine (not shown) injects these molten materials at corresponding positions to form structures with different hardness. It should be noted that, in other variations of the first embodiment, the push rod 31, the hard filter unit 321, and the soft filter unit 322 may also be made of the same rubber-plastic material in one piece. In manufacturing, heating means can be used to form structures with different hardness. Since the manufacturing method is not a technical feature of the present invention, it will not be described in detail here.

The thermal insulation block 5 is used to maintain the temperature in the accommodating chamber 23. In the first embodiment, the heat insulation block 5 includes a block body 51 with a hollow structure and a ring shape, and a refrigerant liquid 52 sealedly stored in the block body 51. Before use, the insulation block 5 can be put into a refrigerator or freezer for refrigerating, so that the cooling liquid 52 is lowered to a low temperature. When it is to be used, the insulation block 5 is put on the push rod 31 and Placed in the container chamber 23, the temperature in the container chamber 23 can be kept at a low temperature, and the freshness of the liquid stored in the container chamber 23 and the material to be filtered can be maintained. It should be noted that, in other variations of the first embodiment, the number of the heat-insulating blocks 5 may be more than one, and the heat-insulating blocks 5 may not be placed on the push rod 31 but directly placed in the capacity. Inside the room 23.

The pointed protrusion 311 can be used for inserting and arranging a plurality of fruits on the push rod 31. When no liquid is stored in the container chamber 23, the push rod 31 can be inserted into the container chamber 23 and the pot lid 4 Covered on the pot mouth portion 231, the fruits can be stored dry in the containing chamber 23, and when there is liquid in the containing chamber 23, the push rod 31 can also be extended into the containing chamber 23 The fruits are soaked in the liquid to increase the flavor of the liquid when drinking.

Referring to FIGS. 2 and 4, when assembling, the filter pressing mechanism 32 projects downward into the pot opening portion 231. Because the width of the hard filter pressing unit 321 is smaller than the opening portion 231, the outer periphery of the soft filter pressing unit 322 The width of the edge is larger than the pot opening portion 231, so the soft filter pressing unit 322 will be deformed by the limit of the pot opening portion 231. After passing through the pot opening portion 231 and entering the receiving chamber 23, it will be pushed in Driven by the rod 31, it moves toward the small-diameter portion 233. At this time, the soft filter pressure unit 322 will first continue to flex because the width of the accommodation chamber 23 is further reduced, and the degree of limitation of the peripheral wall 22 is relatively large. It deforms sexually and maintains a state of abutting against the peripheral wall 22. As shown in FIG. 5, when the filtering mechanism 32 is moved from the small-diameter portion 233 to the large-diameter portion 232, the width of the chamber 23 becomes larger, and the soft filtering unit 322 is limited by the peripheral wall 22. The degree of bit becomes small, and it is gradually stretched and flattened to return to an undeformed state as shown in FIG. 3, and still maintains a state of being adjacent to the peripheral wall 22. In this process, the hard filtering unit 321 continuously and smoothly performs filtering and squeezing operations on the liquid to be filtered and the material to be filtered that are located below. Therefore, the filter pressure mechanism 32 can pass through the areas of the chamber 23 with different widths and exert the desired filter pressure effect.

Referring to FIG. 6, the structure of a second embodiment of the filter press pot of the present invention is substantially the same as the first embodiment. The difference is that the hard filter press unit 321 and the soft filter press unit 322 are of the same material, but the soft filter press unit The filter pressure unit 322 is thinner than the hard filter pressure unit 321.

Referring to FIG. 7, the structure of a third embodiment of the filter press pot of the present invention is substantially the same as the first embodiment, except that the hard filter press unit 321 and the soft filter press unit 322 are connected to each other instead of being integrally formed. The hard filter unit 321 has a dovetail groove 325 that is recessed radially inward from the peripheral surface and has a narrow outer and inner cross-section. The soft filter unit 322 has a diameter adjacent to the hard filter unit 321. The soft filter pressure unit 322 can be connected to the hard filter pressure unit 321 by the embedded design of the dovetail groove 325 and the convex ring 326 embedded in the dovetail groove 325. It should be noted that, in other variations of the third embodiment, the dovetail groove 325 and the convex ring 326 may be replaced with each other. For example, the dovetail groove 325 is formed in the soft filter unit 322, and the convex A ring 326 is formed in the hard filtering unit 321.

Referring to FIG. 8, the structure of a fourth embodiment of the filter press pot of the present invention is substantially the same as that of the second embodiment, with the difference that the filter press mechanism 32 also has eight soft filter units arranged at angular intervals from each other. The resetting strips 324 on 322, each resetting strip 324 is an elongated body extending radially, and has elasticity that can return to its original shape after being bent and deformed. The reset bars 324 can strengthen the elasticity of the soft filter pressing unit 322 to return to its original shape after being deformed. It should be noted that, in other variations of the fourth embodiment, the number of the reset bars may be increased or decreased.

Referring to FIG. 9, the structure of a fifth embodiment of the filter press pot of the present invention is substantially the same as the first embodiment, except that the soft filter press unit 322 has three hard filter press units 321 angularly spaced from each other. The supporting ribs 327 extending outward from the periphery of the outer ring, an outer ring rib 328 that is annular and connected to one end of the supporting ribs 327 away from the hard filtering unit 321, one supporting rib 327, and the outer ring rib 328 And the flexible strainer 34 between the hard filter pressing unit 321 and a plurality of grooves 329 formed on the support rib 327 and the outer ring rib 328. The filter holes 323 are formed on the filter screen 34. The grooves 329 allow the support ribs 327 and the outer ring ribs 328 to be flexible and can be moved up and down in the container (not shown) with different width changes. In the fifth embodiment, the support ribs 327, the outer ring ribs 328, and the hard filter unit 321 are made of polypropylene or nylon (Nylon), and the filter 34 is selected with filter holes 323. Nylon net. Of course, the number of the supporting ribs 327 is not limited to three. In other variations of the fifth embodiment, the number of the supporting ribs 327 may be two or more than four.

To sum up, the filter press pot of the present invention utilizes the hard and soft internal structure design of the filter press mechanism 32. By the deformation and flexibility of the soft filter press unit 322, the filter press mechanism 32 can be adapted to a container with a varying width. In the chamber 23, the purpose of the present invention can be achieved. The pointed protrusion 311 of the push rod 31 can be used for putting fruit on and arranged on the push rod 31. The thermal insulation block 5 can maintain the temperature in the storage chamber 23 and maintain the freshness of the ingredients in the storage chamber 23.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited in this way, any simple equivalent changes and modifications made in accordance with the scope of the patent application and the content of the patent specification of the present invention are still Within the scope of the invention patent.

2‧‧‧ pot body

21‧‧‧ bottom wall

22‧‧‧Zhou Bi

23‧‧‧Capacity Room

231‧‧‧Mouth

232‧‧‧Large diameter section

233‧‧‧ Trail

234‧‧‧ spout

24‧‧‧handle

3‧‧‧ filter press

31‧‧‧Put

311‧‧‧ pointed

32‧‧‧Filtering mechanism

321‧‧‧hard filter unit

322‧‧‧soft filter unit

323‧‧‧filter

324‧‧‧ reset bar

325‧‧‧Dovetail Trough

326‧‧‧ convex ring

327‧‧‧ support rib

328‧‧‧ Outer ring rib

329‧‧‧groove

33‧‧‧Handle

34‧‧‧ Filter

4‧‧‧ pot lid

5‧‧‧ Insulation Block

51‧‧‧blocks

52‧‧‧Refrigerant

Other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: FIG. 1 is a partial sectional view of a conventional filter press pot; FIG. 2 is a first view of the filter press pot of the present invention An incomplete perspective exploded view of the embodiment; FIG. 3 is a cross-sectional view of the first embodiment; FIG. 4 is an incomplete cross-sectional view illustrating a push rod, a pressure filtering mechanism of the first embodiment, and A thermal block with a pointed protrusion removed; FIG. 5 is an incomplete cross-sectional view illustrating the first embodiment with the pointed protrusion and a handle removed, and a soft filter unit deformed by force State; FIG. 6 is an incomplete cross-sectional view illustrating the push rod and the filter mechanism of a second embodiment of the filter press pot of the present invention, and the pointed protrusion is removed; FIG. 7 is an incomplete cross-sectional view Illustrates the push rod and the filter mechanism of a third embodiment of the filter press pot of the present invention, and removes the pointed protrusion; FIG. 8 is a plan view illustrating a fourth embodiment of the filter press pot of the present invention The filter press mechanism and several reset bars; and FIG. 9 is a top view illustrating a filter press pot of the present invention The five filtration pressure mechanism of the embodiment.

Claims (10)

A filter press pot includes: a pot body including a bottom wall and a peripheral wall extending upwardly from a peripheral edge of the bottom wall, the bottom wall and the peripheral wall cooperating to define a containing chamber, the containing chamber having a top portion And a large diameter portion below the mouth of the pot, the width of the large diameter portion being greater than the width of the mouth of the pot; and a filter pressure device detachably installed on the pot body, the filter pressure The device includes a push rod which is passed through the mouth of the pot and can be driven to move up and down, and a filter pressure mechanism connected to the bottom end of the push rod and extending into the container. The filter pressure mechanism has a connection to the filter rod. A hard filter press unit at the bottom end of the push rod and having a width smaller than the width of the pot mouth portion, and a soft filter press unit that is connected to the periphery of the hard filter press unit and is abutted flexibly against the peripheral wall. The filter press pot according to claim 1, wherein the filter press mechanism further has a plurality of filter holes formed in at least one of the hard filter press unit and the soft filter press unit. The filter press according to claim 2, wherein the push rod has a pointed protrusion at a top end. The filter press according to claim 3, wherein the chamber further has a small-diameter portion having a width smaller than the width of the large-diameter portion and larger than the width of the hard filter-press unit. The filter pot according to claim 4, further comprising a pot cover which can be used to cover the mouth of the pot and to be passed by the push rod. The filter press pot according to claim 5, wherein the filter press device further comprises a handle connected to the top of the push rod and located above the pot lid. The filter press according to claim 6, further comprising a heat-insulating block passing through the push rod and located in the container, the heat-insulating block being used to maintain the temperature in the container. The filter press according to any one of claims 1 to 7, wherein the hard filter press unit is integrally formed with the soft filter press unit. The filter press pot according to any one of claims 1 to 7, wherein the hard filter press unit and the soft filter press unit are connected to each other. The filter press pot according to claim 8, wherein the filter press mechanism further comprises a plurality of reset bars provided on the soft filter press unit and capable of resetting the soft filter press unit after deformation.