Filter unit and filter applied to beverage production

Abstract

The utility model provides a filtering unit and a filter applied to beverage production. The filtering unit comprises an annular cylinder ring, a first filtering net piece, a second filtering net piece, a bottom plate, a middle pressing block and a locking structure. The outer edges of the two ends of the annular cylinder ring are each provided with an annular flange extending out in the radial direction. And the first filter screen sheet is propped against one of the annular turned-over edges. And the second filter mesh is propped against the other annular flange. The bottom plate is attached to the second filtering net piece, and the outer edge portion of the bottom plate corresponds to the annular turned-over edge. The middle pressing block is provided with a through cavity corresponding to the third center hole. The number of the locking structures is two, one locking structure can lock the first filter net piece and the corresponding annular turnup which are connected in an abutting mode, and the other locking structure can lock the second filter net piece and the bottom plate which are connected in an abutting mode and the corresponding annular turnup which are connected in an abutting mode. The filtering unit provided by the utility model is convenient to disassemble and assemble, is convenient to manufacture, can improve the production efficiency, and is high in practicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of filters, and in particular relates to a filter unit and a filter used in beverage production. Background Art

[0002] Filtration is a very important production process in the beverage production process. For example, beer is an alcoholic beverage. After fermentation, a small amount of coagulation such as yeast and protein is suspended in the beer, which makes the beer turbid during storage, so it must be removed through the filtration process. Therefore, filters are usually used for beverage production.

[0003] In the prior art, beverage filters usually include a plurality of filter units that are stacked in sequence and detachably connected. Each filter unit includes a fixed chassis, which has a circular groove, and a filter structure is provided at the bottom of the circular groove, and another filter structure is provided at the open portion of the circular groove. In addition, a pressing block is provided at the center of the circular groove. The fixed chassis, the two filter structures and the pressing block enclose an annular filter cavity and a hollow cavity. The manufacturing process of the fixed chassis adopted in this type involves spinning, which is time-consuming and labor-intensive, and has low manufacturing efficiency. Moreover, the filter structure located at the bottom of the circular groove needs to be fixedly welded to the fixed chassis, and cannot be disassembled later, and thus the filter structure cannot be replaced, which has poor practicality. Utility Model Content

[0004] The embodiments of the utility model provide a filter unit and a filter used in beverage production, aiming to solve the problem of poor practicality of the filter unit in the existing beverage filter due to time-consuming and labor-intensive manufacturing.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a filtering unit, comprising:

[0006] The outer edges of the two ends of the annular cylinder ring are provided with annular flanges extending in the radial direction;

[0007] A first filter mesh is arranged at one end of the annular cylinder ring and abuts against one of the annular flanges; a first center hole is provided on the first filter mesh;

[0008] A second filter mesh is arranged at the other end of the annular cylinder ring and abuts against another annular flange; the second filter mesh is provided with a second center hole corresponding to the first center hole;

[0009] A bottom plate, which is fitted with the second filter mesh, and whose outer edge corresponds to the annular flange, and the bottom plate is provided with a third center hole corresponding to the second center hole;

[0010] An intermediate pressing block having a through cavity corresponding to the third center hole, one end of the intermediate pressing block being fixedly connected to the bottom plate, and the other end being connected to the first filter mesh, the intermediate pressing block, the annular cylinder ring, the first filter mesh, the second filter mesh and the bottom plate enclose an annular filter cavity connected to the through cavity through the second filter mesh;

[0011] There are two locking structures, one of which is used to lock the abutting first filter mesh and the corresponding annular flange, and the other locking structure is used to lock the abutting second filter mesh, the bottom plate and the corresponding annular flange.

[0012] In a possible implementation, each of the locking structures includes:

[0013] Two semi-encircling hoops are provided, each of which has a semi-annular groove, and the two semi-encircling hoops are used to match and be sleeved on the outer edge of the first filter mesh and the corresponding annular flange, or the second filter mesh, the bottom plate and the outer edge of the corresponding annular flange;

[0014] There are two locking pieces, which are respectively located at the two butting parts of the two semi-encircling hoops and are used to lock the two semi-encircling hoops.

[0015] In a possible implementation, a sealing gasket is provided on the inner wall of each of the semi-ring grooves.

[0016] In a possible implementation, the intermediate pressing block includes:

[0017] A first pressing block, one end of which abuts against the second filter mesh and is fixedly connected to the bottom plate via a first bolt; the other end of the first pressing block is connected to the first filter mesh;

[0018] A second pressing block, one end of which is connected to the first filter mesh and in contact with the other end of the first pressing block, the second pressing block and the first pressing block are combined to form an annular space for accommodating the inner edge of the first filter mesh, and the second pressing block is fixedly connected to the first pressing block by a second bolt;

[0019] The first pressing block is provided with a first through hole, the second pressing block is provided with a second through hole, and the first through hole and the second through hole are enclosed to form the through cavity.

[0020] In a possible implementation, the axis of the through cavity is colinearly arranged with the axis of the annular cylinder ring.

[0021] In a possible implementation, a screw plug is provided on the side wall of the annular cylinder ring.

[0022] The utility model also provides a filter used in beverage production, comprising the above-mentioned filter unit.

[0023] The filter unit provided in the present implementation has an annular flange at both ends of the annular tube ring, which can ensure that the first filter mesh and the second filter mesh are in contact on both sides, respectively. The outer eaves formed by the abutment between the first filter mesh and the corresponding annular flange can be directly locked by one of the locking structures, and the outer eaves formed by the abutment between the second filter mesh, the bottom plate and the corresponding annular flange can be directly locked by another locking structure, which is convenient for disassembly and assembly, and also convenient for manufacturing, which can improve production efficiency and has strong practicality. In addition, the setting of the intermediate pressure block can ensure the separation of the annular filter cavity and the through cavity, thereby ensuring the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the structure of a filter unit provided in an embodiment of the utility model;

[0025] Figure 2 for Figure 1 A schematic diagram of the AA cross-sectional structure of the filter unit provided in the embodiment;

[0026] Figure 3 for Figure 2 An enlarged structural diagram of the filter unit B provided in the embodiment;

[0027] Figure 4 for Figure 2 An enlarged structural diagram of the filter unit C provided in the embodiment;

[0028] Description of reference numerals:

[0029] 10. Annular tube ring; 11. Annular flange;

[0030] 20. A first filter mesh;

[0031] 30. A second filter mesh;

[0032] 40. Bottom plate;

[0033] 50, middle pressing block; 51, first pressing block; 52, second pressing block; 53, first bolt; 54, second bolt;

[0034] 60. Locking structure; 61. Semi-encircling hoop; 62. Locking piece; 63. Sealing gasket;

[0035] 70. Annular filter chamber;

[0036] 80, through cavity;

[0037] 90. Screw plug. DETAILED DESCRIPTION

[0038] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0039] Please also read Figure 1 and Figure 2 , the filter unit provided by the utility model is now described. The filter unit includes an annular ring 10, a first filter mesh 20, a second filter mesh 30, a bottom plate 40, an intermediate pressure block 50 and a locking structure 60. The outer edges of both ends of the annular ring 10 are provided with annular flanges 11 extending radially. The first filter mesh 20 is arranged at one end of the annular ring 10 and abuts against one of the annular flanges 11. The first filter mesh 20 is provided with a first center hole. The second filter mesh 30 is arranged at the other end of the annular ring 10 and abuts against another annular flange 11. The second filter mesh 30 is provided with a second center hole corresponding to the first center hole. The bottom plate 40 is fitted with the second filter mesh 30, and the outer edge portion corresponds to the annular flange 11, and the bottom plate 40 is provided with a third center hole corresponding to the second center hole. The intermediate pressing block 50 has a through cavity 80 corresponding to the third center hole, one end of the intermediate pressing block 50 is fixedly connected to the bottom plate 40, and the other end is connected to the first filter mesh 20. The intermediate pressing block 50, the annular cylinder ring 10, the first filter mesh 20, the second filter mesh 30 and the bottom plate 40 enclose an annular filter cavity 70 connected to the through cavity 80 through the second filter mesh 30. Two locking structures 60 are provided, one of which can lock the abutting first filter mesh 20 and the corresponding annular flange 11, and the other locking structure 60 can lock the abutting second filter mesh 30, the bottom plate 40 and the corresponding annular flange 11.

[0040] Compared with the prior art, the filter unit provided by the present embodiment has an annular flange 11 at both ends of the annular tube ring 10 that can ensure that the first filter mesh 20 and the second filter mesh 30 are in contact on both sides, respectively. The outer eaves formed by the abutment between the first filter mesh 20 and the corresponding annular flange 11 can be directly locked by one of the locking structures 60, and the outer eaves formed by the abutment between the second filter mesh 30, the bottom plate 40 and the corresponding annular flange 11 can be directly locked by another locking structure 60, which can be convenient for disassembly and assembly, and then convenient for replacement of the first filter mesh 20 and the second filter mesh 30. At the same time, it can also be convenient for manufacturing, which can improve production efficiency and has strong practicality. In addition, the setting of the intermediate pressure block 50 can ensure that the annular filter chamber 70 and the through chamber 80 are separated to ensure the filtering effect.

[0041] The specific filtering path is that the fluid enters the annular filtering cavity 70 after passing through the first filter mesh 20, then enters the through cavity 80 through the second filter mesh 30, and is then exported.

[0042] In some embodiments, the above locking structure 60 can adopt structures such as Figure 1 , Figure 2 and Figure 4 as shown. Refer to Figure 1 , Figure 2 and Figure 4 . Each locking structure 60 includes a semi-encircling hoop 61 and a locking member 62. There are two semi-encircling hoops 61, and each semi-encircling hoop 61 has a semi-circular groove. The two semi-encircling hoops 61 can be aligned and sleeved on the outer eaves of the first filter mesh 20 and the corresponding annular flange 11, or on the outer eaves of the second filter mesh 30, the bottom plate 40 and the corresponding annular flange 11. There are two locking members 62, and the two locking members 62 are respectively located at the two docking positions of the two semi-encircling hoops 61 and can lock the two semi-encircling hoops 61.

[0043] The two semi-encircling hoops 61 are locked by the two locking members 62, which can ensure that the semi-circular grooves are stably installed on the outer eaves of the first filter mesh 20 and the corresponding annular flange 11, or on the outer eaves of the second filter mesh 30, the bottom plate 40 and the corresponding annular flange 11, thereby ensuring the stable abutting and fitting of the first filter mesh 20 and the corresponding annular flange 11, or the second filter mesh 30, the bottom plate 40 and the corresponding annular flange 11. The structure is simple and convenient for disassembly and assembly.

[0044] It should be noted that the locking member 62 can be a bolt.

[0045] In some embodiments, the above semi-encircling hoop 61 can adopt structures such as Figure 4 as shown. Refer to Figure 4 . A sealing gasket 63 is provided on the inner wall of each semi-circular groove, and the sealing gasket 63 can ensure the sealing effect. Preferably, the cross-section of the sealing gasket 63 can be a "U"-shaped outer profile structure adapted to the cross-section of the annular groove, which can effectively ensure the sealing effect.

[0046] In some embodiments, the above intermediate pressing block 50 can adopt structures such as Figure 3 as shown. Refer to Figure 3The intermediate pressing block 50 includes a first pressing block 51 and a second pressing block 52. One end of the first pressing block 51 abuts against the second filter mesh 30 and is fixedly connected to the bottom plate 40 by a first bolt 53. The other end of the first pressing block 51 is connected to the first filter mesh 20. One end of the second pressing block 52 is connected to the first filter mesh 20 and contacts the other end of the first pressing block 51. The second pressing block 52 and the first pressing block 51 are combined to form an annular space for accommodating the inner edge of the first filter mesh 20. The second pressing block 52 and the first pressing block 51 are fixedly connected by a second bolt 54.

[0047] The first pressing block 51 is provided with a first through hole, the second pressing block 52 is provided with a second through hole, and the first through hole and the second through hole are enclosed to form a through cavity 80 .

[0048] The first pressing block 51 and the second pressing block 52 are split structures, which can ensure the installation of the first filter mesh 20. Correspondingly, the first filter mesh 20 and the second filter mesh 30 are both provided with connection holes for bolts to pass through, so as to ensure the connection. The first pressing block 51 and the second pressing block 52 are both provided with threaded holes. In addition, the bottom plate 40 is also provided with a connection hole for the first bolt 53 to pass through.

[0049] In addition, it should be noted that the first bolts 53 and the second bolts 54 are arranged in annular intervals around the axis of the through cavity 80 and are staggered with each other to avoid interference during the connection process.

[0050] In some embodiments, the intermediate pressing block 50 may be formed as follows: Figure 4 See the structure shown. Figure 4 , the specifications of the first filter mesh 20 and the second filter mesh 30 are the same.

[0051] Specifically, the first filter mesh 20 and the second filter mesh 30 are both circular meshes, and are formed by sintering multiple layers of filter meshes after being superimposed, and the mesh openings of each layer of filter meshes increase or decrease in sequence, and have a certain rigidity.

[0052] In some embodiments, the intermediate pressing block 50 may be formed as follows: Figure 1 to Figure 2 See the structure shown. Figure 1 to Figure 2 The axis of the through cavity 80 is colinear with the axis of the annular ring 10. This structure is easy to manufacture and can also ensure uniform filtering.

[0053] In some embodiments, the annular ring 10 may be formed as follows: Figure 4 See the structure shown. Figure 4 A screw plug 90 is provided on the side wall of the annular cylinder ring 10.

[0054] Correspondingly, screw holes are provided on the side wall of the annular cylinder ring 10. This structure can mainly ensure the release of the fluid in the annular filter chamber 70, and also facilitates the cleaning of the annular filter chamber 70. It has a simple structure and strong practicality.

[0055] An embodiment of the present application also provides a filter used in beverage production, including the above-mentioned filter unit.

[0056] Compared with the prior art, the filter provided in this embodiment for use in beverage production uses a filtration unit that can simplify the manufacturing process and improve manufacturing efficiency, is easy to disassemble and assemble, and is convenient for subsequent maintenance, and is highly practical.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter unit, characterized in that: include: The outer edges of the two ends of the annular cylinder ring are provided with annular flanges extending in the radial direction; A first filter mesh is arranged at one end of the annular cylinder ring and abuts against one of the annular flanges; a first center hole is provided on the first filter mesh; A second filter mesh is arranged at the other end of the annular cylinder ring and abuts against another annular flange; the second filter mesh is provided with a second center hole corresponding to the first center hole; A bottom plate, which is fitted with the second filter mesh, and whose outer edge corresponds to the annular flange, and the bottom plate is provided with a third center hole corresponding to the second center hole; An intermediate pressing block having a through cavity corresponding to the third center hole, one end of the intermediate pressing block being fixedly connected to the bottom plate, and the other end being connected to the first filter mesh, the intermediate pressing block, the annular cylinder ring, the first filter mesh, the second filter mesh and the bottom plate enclose an annular filter cavity connected to the through cavity through the second filter mesh; There are two locking structures, one of which is used to lock the abutting first filter mesh and the corresponding annular flange, and the other locking structure is used to lock the abutting second filter mesh, the bottom plate and the corresponding annular flange.

2. The filter unit according to claim 1, characterized in that Each of the locking structures comprises: Two semi-encircling hoops are provided, each of which has a semi-annular groove, and the two semi-encircling hoops are used to match and be sleeved on the outer edge of the first filter mesh and the corresponding annular flange, or the second filter mesh, the bottom plate and the outer edge of the corresponding annular flange; There are two locking pieces, which are respectively located at the two butting parts of the two semi-encircling hoops and are used to lock the two semi-encircling hoops.

3. The filter unit according to claim 2, characterized in that The inner wall of each semi-ring groove is provided with a sealing gasket.

4. The filter unit according to claim 1, characterized in that The intermediate pressing block comprises: A first pressing block, one end of which abuts against the second filter mesh and is fixedly connected to the bottom plate via a first bolt; the other end of the first pressing block is connected to the first filter mesh; A second pressing block, one end of which is connected to the first filter mesh and in contact with the other end of the first pressing block, the second pressing block and the first pressing block are combined to form an annular space for accommodating the inner edge of the first filter mesh, and the second pressing block is fixedly connected to the first pressing block by a second bolt; The first pressing block is provided with a first through hole, the second pressing block is provided with a second through hole, and the first through hole and the second through hole are enclosed to form the through cavity.

5. The filter unit according to claim 4, characterized in that The axis of the through cavity is colinearly arranged with the axis of the annular cylinder ring.

6. The filter unit according to claim 1, characterized in that A screw plug is arranged on the side wall of the annular cylinder ring.

7. A filter for beverage production, characterized in that: The filter comprises a plurality of filter units according to any one of claims 1 to 6.

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