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CN-224211588-U - Suction nozzle type fluid guiding device

CN224211588UCN 224211588 UCN224211588 UCN 224211588UCN-224211588-U

Abstract

The utility model discloses a suction nozzle type fluid guiding device which comprises an upper suction pipe, a middle anti-spill rubber sheet, a lower guide pipe and a clamping structure, wherein the bag body is connected and communicated with a suction nozzle area. The middle anti-spill rubber sheet is arranged at the joint of the upper end suction pipe and the lower end guide pipe and used for preventing liquid from flowing automatically. The buckle structure is respectively arranged inside the suction pipe and outside the guide pipe, and can be tightly attached to the structure, so that the suction pipe is stably connected with the guide pipe. The utility model not only plays the anti-spill effect, but also simplifies the suction nozzle structure and the production flow of matched products, and reduces the interference of air drinking water on the flying operation.

Inventors

  • WANG RUOYONG
  • HAO YIMING

Assignees

  • 中国人民解放军空军特色医学中心

Dates

Publication Date
20260508
Application Date
20250612

Claims (10)

  1. 1. A suction nozzle type fluid guiding device is characterized by comprising an upper-end suction pipe, a lower-end guide pipe and a middle anti-spill rubber sheet, wherein the upper-end suction pipe and the lower-end guide pipe are connected together through two buckling structures, a blocking ring is sleeved on the periphery of each buckling structure, the lower-end guide pipe further comprises a protruding pipe body, and the blocking ring comprises an inner blocking ring and an outer blocking ring.
  2. 2. The device according to claim 1, wherein the middle anti-spill rubber sheet comprises a sleeve and a blocking sheet, the blocking sheet is fixed at the joint of the upper suction pipe and the lower guide pipe and used for preventing liquid from flowing spontaneously, and the blocking sheet comprises Y-shaped cuts and a rigid reinforcing sheet.
  3. 3. The device according to claim 2, wherein the middle anti-spill rubber sheet is seamlessly sleeved outside the protruding pipe body of the lower end pipe through the sleeve and inserted into the upper end suction pipe, and the outer diameter of the sleeve is consistent with the inner diameter of the protruding pipe body and the inner diameter of the upper end suction pipe, so that the three can be tightly and seamlessly connected together.
  4. 4. The device of claim 1, wherein the two fastening structures each comprise a first inclined plane, an arc-shaped convex concave surface and a second inclined plane, the arc-shaped convex concave surface is positioned between the first inclined plane and the second inclined plane, the blocking ring is sleeved on the periphery of the fastening structure, the blocking ring is positioned behind the second inclined plane, the structures of the first inclined plane, the arc-shaped convex concave surface, the second inclined plane and the blocking ring are sequentially formed, the first inclined plane and one end of the arc-shaped convex concave surface are integrally formed into a convex bulge, the second inclined plane and the other end of the arc-shaped convex concave surface are integrally formed into a concave shape, the arc-shaped convex concave surface is positioned between the first inclined plane and the second inclined plane, and the radian of the arc-shaped convex concave surface is not less than 2 times of an included angle between the first inclined plane or the second inclined plane and the plane.
  5. 5. The device of claim 4, wherein the two fastening structures are respectively positioned at one end of the inner wall of the upper-end suction pipe and the outer periphery of the protruding pipe body, the first inclined plane and the second inclined plane of the fastening structures are respectively the same with the included angle of the pipe body in the axial direction, and the lengths of the first inclined plane and the second inclined plane are consistent.
  6. 6. The device according to claim 5, wherein in the process of clamping the upper end suction pipe and the lower end guide pipe, first inclined surfaces of two fastening structures are contacted with each other and slide into the arc-shaped convex-concave surfaces, so that pipe orifices of the upper end suction pipe and the lower end guide pipe are respectively abutted against blocking rings of the other side to prevent the lower end guide pipe from being continuously inserted into the upper end suction pipe, the first inclined surfaces of the upper end suction pipe and the second inclined surfaces of the other side are contacted, the arc-shaped convex-concave surfaces of the upper end suction pipe and the lower end guide pipe are mutually clamped, the lower end guide pipe is prevented from sliding from the upper end suction pipe, and the two fastening structures are matched and combined in an opposite clamping mode.
  7. 7. The device of claim 1, wherein the fastening structure comprises two fastening structures which are identical and distributed in opposite directions, and the two fastening structures are fastened in the protruding pipe body and the pipe of the upper end suction pipe in reverse arrangement, and the fastening structures are connected between the upper end suction pipe and the lower end guide pipe.
  8. 8. The device of claim 4, wherein when the protruding pipe body is inserted into the upper straw, the first inclined surface of one of the fastening structures is contacted with the first inclined surface of the other fastening structure, and the first inclined surface is smoothly slid into the arc-shaped convex-concave surface of the other fastening structure through the deformation of the first inclined surface of the other fastening structure.
  9. 9. The device of claim 8, wherein the protruding pipe body is deep into the upper end suction pipe, so that the first inclined surface of one of the fastening structures is in contact with the second inclined surface of the other fastening structure, and the protruding pipe body and the top end of the upper end suction pipe are abutted against the internal blocking ring, so that the first inclined surface of one of the fastening structures is tightly attached to the second inclined surface of the other fastening structure, the cambered surfaces of the two cambered convex-concave surfaces are tightly attached to each other, and the upper end suction pipe and the lower end guide pipe are stably connected.
  10. 10. The device according to claim 1, wherein the intermediate anti-spill rubber sheet comprises a sleeve, a barrier sheet, a Y-shaped incision and a rigid reinforcement sheet, wherein the Y-shaped incision is designed to simulate a unidirectional Y-shaped structure of a tricuspid valve of a heart, or is designed as three Rumex triangular elastic sheets, and the 3 elastic sheets are spliced to form the Y-shaped incision.

Description

Suction nozzle type fluid guiding device Technical Field The utility model relates to a backflow-preventing and spill-preventing suction nozzle device, belongs to the field of packaging materials, and is particularly suitable for packaging bags of the type which are used once without liquid or other materials which need to be opened for multiple times after being opened. Background The mouthpiece is usually designed as a small tubular tool, mainly for helping the consumer to drink the liquid beverage more conveniently and sanitarily, usually at the seal of beverage products such as beverage cups, cans, soft package beverage bags, etc. Military flight personnel navigate in long sky and long sky, and the required drinking water device or equipment needs to be matched with the suction device of special application environment, usually selects straw or suction nozzle form. Particularly for combat aviation environments, having high platform adaptability requirements for beverage product packaging and outlet portions, aircraft on-board drinking devices or equipment must have anti-spill functionality. In food packaging of active service supply air force army flight personnel in the long-distance flight, a drinking water packaging bag or a packaging tank usually adopts a suction pipe and/or a clamping structure, and in actual combat application environment, the air force army flight personnel generally feed back, and the problems that the suction pipe is easy to fall off, the clamping operation convenience is insufficient and the like exist in the drinking water process when a flight task is executed. Taking the packaging can of fruit-flavored beverage as an example, the anti-spilling suction nozzle adopted at the mouth part of the can is generally composed of five parts of components, and the suction nozzle is rotatably arranged on the container body along the thread of the bottle mouth after the fruit-flavored beverage is filled. As air drinking devices and equipment are used more and more frequently, higher demands are placed on the reliability and convenience of use of such fruit flavored beverage pouch/can packages. Therefore, what is needed is an anti-spill suction nozzle with convenient operation, reliable performance and simple structure, which can simplify the suction nozzle structure, improve the product filling efficiency and facilitate drinking while meeting the convenience and reliability required by the combat environment. Disclosure of Invention In view of the above-mentioned needs of the prior art, the utility model designs a suction nozzle type fluid guiding device based on the existing packaging technology, and the suction nozzle type fluid guiding device not only can effectively prevent the spill, but also has the advantages of simple structure, simple production flow of matched products and the like. The utility model provides a buckle type anti-spill suction nozzle which comprises an upper suction pipe, a lower guide pipe and a middle anti-spill rubber sheet. The upper end suction pipe comprises two buckling structures and a blocking ring. The lower end guide pipe comprises the two clamping structures, the blocking ring and the protruding pipe body. The middle anti-spill rubber sheet comprises a sleeve and a blocking sheet. The two buckle structures comprise a first inclined plane, an arc-shaped convex-concave surface and a second inclined plane, and the arc-shaped convex-concave surface is positioned between the first inclined plane and the second inclined plane. The blocking ring is arranged behind the second inclined plane, the structures of the first inclined plane, the arc-shaped convex-concave surface, the second inclined plane and the blocking ring are sequentially formed, and the blocking ring comprises an inner blocking ring and an outer blocking ring. Preferably, the separation sheet is fixed at the joint of the upper end suction pipe and the lower end conduit and used for preventing liquid from flowing spontaneously, and comprises Y-shaped cuts and a rigid reinforcing sheet. Further, the middle anti-spill rubber sheet is in seamless sleeve joint with the outer part of the protruding pipe body of the lower end pipe and is inserted into the upper end suction pipe, and the outer diameter of the sleeve is consistent with the inner diameter of the protruding pipe body and the inner diameter of the upper end suction pipe, so that the three can be in tight seamless connection. Wherein the first inclined plane and one end of the arc-shaped convex-concave surface are integrally formed into a convex bulge, the second inclined plane and the other end of the arc-shaped convex-concave surface are integrally formed into a concave shape, the arc-shaped convex-concave surface is positioned between the first inclined plane and the second inclined plane, and the radian of the arc-shaped convex-concave surface is not less than 2 times of the included angle between the first inclined plane or the second