Stainless steel sterile tank with double-sealing structure

Abstract

The utility model relates to the technical field of sterile tanks, in particular to a stainless steel sterile tank with a double-sealing structure, which comprises a tank body, a feed port, a discharge port, a screw cap and a sealing cap, the screw cap is screwed outside the feed port on the top end face of the tank body, and a sealing ring and a circular protrusion are arranged at the top end of the circular sealing structure. A circular-ring-shaped outer groove and a circular-ring-shaped inner groove are formed in the two sides of the sealing layer on the outer side of the circular-ring-shaped protrusion, and a circular-ring-shaped inner embedded block and a circular-ring-shaped outer embedded block are arranged on the bottom end face of the sealing cover. According to the utility model, the sealing cover is detachably arranged outside the conventional threaded cover through the annular sealing structure and the bolt, and the sealing ring on the annular sealing structure provides primary sealing, so that when the sealing cover is screwed on the annular sealing structure through the bolt, the sealing ring can be used for sealing for the first time; the two sides of the sealing layer are tightly attached to one side of the annular inner embedded block and one side of the annular outer embedded block respectively, so that secondary sealing is achieved, and the sealing effect is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aseptic tanks, in particular to a stainless steel aseptic tank with a double sealing structure. Background Art

[0002] The main principle of an aseptic tank is to seal and preserve the medium under sterile conditions to prevent bacterial infection and deterioration. Most aseptic tanks in the existing technology use sealing lids to seal the tank container to prevent the invasion of outside air and bacteria. However, most of the current sealing lids use threads and rubber rings for simple sealing and do not have the function of double sealing, resulting in low sealing effect. For this reason, we propose a stainless steel aseptic tank with a double sealing structure.

[0003] The above information disclosed in this Background section is only for understanding the background of the present inventive concept and therefore it may contain information that does not constitute prior art. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a stainless steel aseptic tank with a double sealing structure.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A stainless steel aseptic tank with a double-sealing structure, comprising a tank body, an inlet, an outlet, a screw cap and a sealing cap, wherein brackets are symmetrically arranged around the bottom of the tank body, and legs are welded to the bottom of the brackets;

[0007] A discharge port is provided in the middle of the bottom end surface of the tank body, a control valve is provided in the discharge port, a feed port is provided in the middle of the top end surface of the tank body, and a screw cap is screwed on the outer side of the feed port;

[0008] A circular sealing structure is provided in the middle of the top of the tank body, a sealing ring is provided on the side of the top surface of the circular sealing structure close to the outer ring, a circular protrusion is provided on the side of the top surface of the circular sealing structure close to the inner ring, a sealing layer is provided on the outer side of the circular protrusion, a circular outer groove is provided on one side of the sealing layer, and a circular inner groove is provided on the other side of the sealing layer;

[0009] A plurality of threaded holes are symmetrically provided between the sealing ring and the sealing layer with the center of the annular sealing structure as the center, and a sealing cover is threadedly connected to the threaded hole by bolts;

[0010] The bottom end surface of the sealing cover is provided with an annular inner embedded block and an annular outer embedded block in sequence from the inside to the outside, and the annular inner embedded block is adapted to the annular inner groove, and the annular outer embedded block is adapted to the annular outer groove;

[0011] In addition, a preferred structure is that the inner wall of the screw cap is provided with a threaded portion, the top wall inside the screw cap is provided with rubber bumps, and the outer side of the screw cap is evenly provided with anti-slip grooves.

[0012] In addition, a preferred structure is that the center of the annular sealing structure and the center of the feed port are on the same axis.

[0013] In addition, a preferred structure is that the sealing layer is located between the annular outer groove and the annular inner groove, and the sealing layer is made of rubber.

[0014] In addition, a preferred structure is that the height of the top of the sealing layer is at least 1 mm higher than the top surface of the annular sealing structure.

[0015] In addition, the preferred structure is that when the sealing cover is screwed onto the annular sealing structure by bolts, the annular inner embedded block is located within the annular inner groove, the annular outer embedded block is located within the annular outer groove, and both sides of the sealing layer are tightly fitted to one side of the annular inner embedded block and the annular outer embedded block respectively.

[0016] The beneficial effects of the utility model are:

[0017] In the utility model, a sealing cover is detachably provided through a circular ring sealing structure and bolts outside a conventional threaded cover, wherein the sealing ring on the circular ring sealing structure provides a primary seal, and the circular ring inner embedded block and the circular ring outer embedded block under the sealing cover are adapted to the circular ring inner embedded block and the circular ring inner groove provided on the circular ring sealing structure. When the sealing cover is screwed on the circular ring sealing structure by bolts, the two sides of the sealing layer are respectively tightly fitted with one side of the circular ring inner embedded block and the circular ring outer embedded block, thereby realizing a secondary seal and greatly improving the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a stainless steel sterile tank with a double sealing structure proposed by the present invention;

[0019] Figure 2 This is a partial enlarged view of a stainless steel sterile tank with a double sealing structure proposed by the present invention;

[0020] Figure 3 This is an exploded view of the sealing cover, screw cap and feed port in a stainless steel aseptic tank with a double sealing structure proposed by the utility model.

[0021] In the figure: 1 tank body, 21 feeding port, 22 discharging port, 3 control valve, 41 bracket, 42 leg, 5 screw cap, 51 rubber protrusion, 52 threaded portion, 53 anti-slip groove, 6 annular sealing structure, 61 sealing ring, 62 sealing layer, 63 threaded hole, 64 annular outer groove, 65 annular inner groove, 66 annular protrusion, 7 bolt, 8 sealing cover, 81 annular outer embedded block, 82 annular inner embedded block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0025] Reference Figure 1-3 A stainless steel aseptic tank with a double sealing structure includes a tank body 1, an inlet 21, an outlet 22, a screw cap 5 and a sealing cap 8. Brackets 41 are symmetrically arranged around the bottom of the tank body 1, and legs 42 are welded to the bottom of the bracket 41.

[0026] With this design, the bracket 41 welded with the legs 42 is symmetrically arranged on the bottom wall of the tank body, which makes it easier for users to place the stainless steel sterile tank.

[0027] A discharge port 22 is provided in the middle of the bottom end surface of the tank body 1, and a control valve 3 is provided in the discharge port 22. A feed port 21 is provided in the middle of the top end surface of the tank body 1, and a screw cap 5 is screwed on the outer side of the feed port 21.

[0028] In other embodiments, the inner wall of the screw cap 5 is provided with a threaded portion 52 , the top wall inside the screw cap 5 is provided with a rubber bump 51 , and the outer side of the screw cap 5 is evenly provided with anti-slip grooves 53 ;

[0029] With this design, the rubber protrusion 51 is firstly provided on the top wall inside the screw cap 5. When the screw cap 5 is screwed onto the outside of the feed opening 21, the rubber protrusion 51 and the top wall of the feed opening 21 are tightly fitted together, thereby achieving a sealing effect. At the same time, the anti-slip groove 53 is also provided on the outside of the screw cap 5 to increase the friction coefficient, making it easier for the operator to rotate and reducing slipping.

[0030] A circular sealing structure 6 is provided in the middle of the top of the tank body 1. A sealing ring 61 is provided on the side of the top surface of the circular sealing structure 6 close to the outer ring. A circular protrusion 66 is provided on the side of the top surface of the circular sealing structure 6 close to the inner ring. A sealing layer 62 is provided on the outer side of the circular protrusion 66. A circular outer groove 64 is provided on one side of the sealing layer 62, and a circular inner groove 65 is provided on the other side of the sealing layer 62.

[0031] In other embodiments, the center of the annular sealing structure 6 is on the same axis as the center of the feed port 21; the sealing layer 62 is located between the annular outer groove 64 and the annular inner groove 65, and the sealing layer 62 is made of rubber;

[0032] With this design, the rubber sealing layer 62 is disposed outside the annular protrusion 66, and the top of the sealing layer 62 is at least 1 mm higher than the top surface of the annular sealing structure 6. When installing, the sealing layer 62 higher than the top surface of the annular sealing structure 6 can reduce the installation gap and further improve the sealing effect.

[0033] A plurality of threaded holes 63 are symmetrically provided between the sealing ring 61 and the sealing layer 62 with the center of the annular sealing structure 6 as the center, and a sealing cover 8 is threadedly connected to the threaded hole 63 via a bolt 7;

[0034] The bottom end surface of the sealing cover 8 is provided with an annular inner block 82 and an annular outer block 81 in sequence from inside to outside, and the annular inner block 82 is adapted to the annular inner groove 65, and the annular outer block 81 is adapted to the annular outer groove 64.

[0035] When the sealing cover 8 is screwed onto the annular sealing structure 6 by the bolts 7, the annular inner block 82 is located within the annular inner groove 65, the annular outer block 81 is located within the annular outer groove 64, and both sides of the sealing layer 62 are tightly fitted to one side of the annular inner block 82 and the annular outer block 81, respectively.

[0036] In this embodiment, a sealing cover is detachably provided through a circular sealing structure and bolts outside a conventional threaded cover, wherein the sealing ring on the circular sealing structure provides a primary seal, and the circular inner embedded block and the circular outer embedded block under the sealing cover are adapted to the circular inner embedded block and the circular inner groove provided on the circular sealing structure, and when the sealing cover is screwed onto the circular sealing structure by bolts, the two sides of the sealing layer are tightly fitted to one side of the circular inner embedded block and the circular outer embedded block, thereby achieving a secondary seal and greatly improving the sealing effect.

[0037] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A stainless steel aseptic tank with a double sealing structure, comprising a tank body (1), an inlet (21), an outlet (22), a screw cap (5) and a sealing cap (8), characterized in that: The bottom of the tank body (1) is symmetrically provided with a bracket (41), and the bottom of the bracket (41) is welded with a leg (42). The middle of the bottom end surface of the tank body (1) is provided with a discharge port (22), and a control valve (3) is provided in the discharge port (22). The middle of the top end surface of the tank body (1) is provided with an inlet (21), and a screw cover (5) is screwed on the outside of the inlet (21). The middle of the top end of the tank body (1) is provided with a circular ring sealing structure (6), and a sealing ring (61) is provided on the side of the top end surface of the circular ring sealing structure (6) close to the outer ring, and a circular ring protrusion (66) is provided on the side of the top end surface of the circular ring sealing structure (6) close to the inner ring, and a ring protrusion (66) is provided on the outside of the circular ring protrusion (66). A sealing layer (62) is provided, one side of the sealing layer (62) is provided with an annular outer groove (64), and the other side of the sealing layer (62) is provided with an annular inner groove (65), a plurality of threaded holes (63) are symmetrically provided between the sealing ring (61) and the sealing layer (62) with the center of the annular sealing structure (6) as the center, and a sealing cover (8) is threadedly connected in the threaded hole (63) by a bolt (7), and the bottom end surface of the sealing cover (8) is provided with an annular inner block (82) and an annular outer block (81) in sequence from the inside to the outside, and the annular inner block (82) and the annular inner groove (65) are adapted to each other, and the annular outer block (81) and the annular outer groove (64) are adapted to each other.

2. The stainless steel aseptic tank with a double sealing structure according to claim 1, characterized in that: The inner wall of the rotary cover (5) is provided with a threaded portion (52), the top wall inside the rotary cover (5) is provided with a rubber bump (51), and the outer side of the rotary cover (5) is evenly provided with anti-slip grooves (53).

3. The stainless steel aseptic tank with a double sealing structure according to claim 1, characterized in that: The center of the annular sealing structure (6) and the center of the feed opening (21) are on the same axis.

4. The stainless steel aseptic tank with a double sealing structure according to claim 1, characterized in that: The sealing layer (62) is located between the annular outer groove (64) and the annular inner groove (65), and the sealing layer (62) is made of rubber.

5. The stainless steel aseptic tank with a double sealing structure according to claim 1, characterized in that: The height of the top of the sealing layer (62) is at least 1 mm higher than the top surface of the annular sealing structure (6).

6. The stainless steel aseptic tank with a double sealing structure according to claim 1, characterized in that: When the sealing cover (8) is screwed onto the annular sealing structure (6) by means of the bolts (7), the annular inner block (82) is located within the annular inner groove (65), the annular outer block (81) is located within the annular outer groove (64), and both sides of the sealing layer (62) are tightly fitted to one side of the annular inner block (82) and the annular outer block (81), respectively.

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