A rotary double-tube double-pass anti-winding device

By designing a rotary double-traffic anti-winding device, the problem of rotary cage pipe wrapping is solved, independent rotation of the intake and exhaust gas is achieved, gas leakage is avoided, and the stable operation of the experimental animal feeding system is ensured.

CN116267659BActive Publication Date: 2025-09-02SUZHOU FENGSHI LAB ANIMAL EQUIP
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Patent Information

Application Number
CN202310375913.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-10
Publication Date
2025-09-02
Estimated Expiration
2043-04-10

AI Technical Summary

Technical Problem

The pipes of the rotary cage frame are easily entangled, causing gas leakage and affecting the normal operation of the experimental animal feeding system.

Method used

A rotary dual-pipe dual-wire anti-winding device is designed, including a base, a base, an exhaust assembly and an intake assembly. The lower box is fixed by a support frame, and the sealing ring and separation design are used to avoid duct wrapping to achieve independent rotation of intake and exhaust.

Benefits of technology

It effectively avoids pipe twisting and damage, prevents gas leakage, and ensures the normal operation of the cage frame of the experimental animal and the gas exchange efficiency.

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Abstract

The present invention discloses a rotary double-pipe double-pass anti-entanglement device, comprising: a base, a bottom, an exhaust assembly and an air intake assembly, wherein the base is rotatably mounted on the base, and the air intake assembly comprises a lower box, a middle box and an upper box arranged in sequence from bottom to top, the lower box being fixedly mounted on the top of a single-sided cage frame via a support frame, the top surface of the lower box being provided with a first through hole, the top of the lower box being provided with a cylinder arranged circumferentially along the edge of the first through hole, the cylinder extending into the middle box, the bottom surface of the lower box being provided with a pipe body, the upper end of the pipe body passing through the cylinder body and the middle box body in sequence and then being plugged into the bottom surface of the upper box body, the pipe body being connected to the upper box body, a gap being provided between the pipe body and the cylinder body, and the lower end of the pipe body extending out of the bottom surface of the lower box body. Compared with the prior art, when the air intake and exhaust device on the rotating cage frame is connected to the IVC host, the pipes will not be entangled due to rotation, thereby effectively preventing the pipes from being twisted and damaged, and preventing gas leakage.
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Description

Technical Field

[0001] The invention relates to the technical field of experimental animal breeding, in particular to a rotary double-trachea double-pass anti-winding device. Background Art

[0002] IVC stands for individual ventilated cages (IVCs). It's a relatively independent animal housing system consisting of a cage rack and several cage boxes. In an IVC system, the cage racks are equipped with several cage boxes. The cage racks are connected to the IVC main unit via air intake and exhaust pipes, providing air supply and exhaust for each cage box.

[0003] In order to facilitate the operation of the cage boxes on each side of the cage, the cage can adopt a rotating design. However, since the cage is connected to the IVC host through pipes to achieve the introduction of fresh gas and the discharge of exhaust gas, the rotating design can easily cause the pipes to become entangled, which can easily cause the pipes to twist and break when used for a long time, resulting in gas leakage. Summary of the Invention

[0004] The purpose of the present invention is to provide a rotating double-pipe double-pass anti-entanglement device. When the air intake and exhaust device on the rotating cage is connected to the IVC host, the pipeline will not be entangled due to rotation, effectively avoiding pipeline distortion and damage and gas leakage.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a rotary double-pipe double-pass anti-winding device, comprising: a base, a base, an exhaust assembly and an air intake assembly, the base is rotatably mounted on the base, the exhaust assembly is fixedly mounted on the base, a plurality of single-sided cages arranged along the circumference of the exhaust assembly are provided on the base, the position of the air intake assembly is correspondingly arranged above the exhaust assembly, the air intake assembly comprises a lower box body, a middle box body and an upper box body arranged in sequence from bottom to top, the lower box body is fixedly mounted on the top of the single-sided cage body through a support frame, a first through hole is provided on the top surface of the lower box body, and the top of the lower box body is provided with a first through hole. A cylinder is provided which is arranged circumferentially along the edge of the first through hole, and the cylinder extends into the middle box body. A tube body is provided on the bottom surface of the lower box body, and the upper end portion of the tube body passes through the cylinder body and the middle box body in sequence and is inserted into the bottom surface of the upper box body. The tube body is connected to the upper box body, and a gap is provided between the tube body and the cylinder body. The lower end portion of the tube body extends out of the bottom surface of the lower box body, and the lower end portion is connected to the exhaust component through the first main pipeline. A first air intake joint is provided on the side wall of the lower box body, a main air intake joint is provided on the side wall of the middle box body, and the main air intake joint is connected to the IVC main unit. An exhaust main joint is provided on the top of the upper box body, and the exhaust main joint is connected to the IVC main unit.

[0006] As a further description of the above technical solution:

[0007] The exhaust assembly includes an exhaust box and a primary filter arranged from bottom to top. An exhaust box joint is provided on the side wall of the exhaust box. The exhaust box is connected to the primary filter, and the primary filter is connected to the first main line through the filter joint.

[0008] As a further description of the above technical solution:

[0009] A "Z"-shaped partition is provided in the primary filter, and a filter element is provided on the partition. The filter element is arranged along the length direction of the primary filter.

[0010] As a further description of the above technical solution:

[0011] The upper box body comprises a box body and a box body cover, the upper end portion is plugged into the bottom of the box body, the box body cover is detachably mounted on the box body, and the exhaust main joint is arranged on the box body cover.

[0012] As a further description of the above technical solution:

[0013] Four single-sided cages are arranged on the base.

[0014] As a further description of the above technical solution:

[0015] A plurality of rows of cage box placement areas are arranged on the single-sided cage frame, and a row of cage box placement areas is provided with a plurality of cage boxes arranged in sequence from top to bottom.

[0016] As a further description of the above technical solution:

[0017] An air intake main pipe is provided on one side of the single-sided cage frame, and an exhaust main pipe is provided on the opposite side. The air intake main pipe is connected to the first air intake joint, and the exhaust main pipe is connected to the exhaust box joint.

[0018] As a further description of the above technical solution:

[0019] An air intake branch pipe and an air exhaust branch pipe arranged in parallel are provided on the back of a row of cage box placement areas. The air intake branch pipe is connected to the air intake main pipe, and the air exhaust branch pipe is connected to the air exhaust main pipe.

[0020] As a further description of the above technical solution:

[0021] A sealing ring is provided between the lower box body and the middle box body, and the sealing ring is sleeved on the cylinder body.

[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0023] 1. In the present invention, when the device is in use, the experimental animal is placed in the cage box of the single-sided cage. When the base is rotated, the single-sided cage rotates accordingly, facilitating operation. When the single-sided cage rotates, the exhaust assembly on the base rotates accordingly. At this time, in the air intake assembly, the lower box rotates with the single-sided cage, while the upper box is separated from the middle box, and the middle box is separated from the lower box. The upper and middle boxes are connected to the IVC main unit and do not rotate accordingly. Therefore, the air intake and ventilation pipes of the device and the IVC main unit will not become entangled with the rotation, effectively preventing the pipes from twisting and damaging, and preventing gas leakage.

[0024] 2. In this invention, the air intake assembly is equipped with an air intake and exhaust pipe, allowing fresh air to enter and exhaust gas to be discharged, forming a dual-pipe dual-pass design. The air intake and exhaust pipes on the air intake assembly are at different heights and do not rotate with the base, preventing entanglement and twisting, effectively preventing the pipes from twisting. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 This is a structural schematic diagram of a rotary double-tube double-pass anti-winding device.

[0027] Figure 2 This is a schematic diagram of the disassembled state of a rotating double-tube double-pass anti-entanglement device.

[0028] Figure 3 This is a structural schematic diagram of a single-sided cage in a rotary double-tube double-pass anti-winding device.

[0029] Figure 4 This is a schematic diagram of the structure of the exhaust component in a rotary double-pipe double-pass anti-winding device.

[0030] Figure 5 This is a schematic diagram of the installation of the air intake assembly in a rotary double-pipe double-pass anti-winding device.

[0031] Figure 6 This is a schematic diagram of the structure of the air intake assembly in a rotary double-pipe double-pass anti-winding device.

[0032] Figure 7 This is a schematic diagram of the structural disassembly of the air intake component in a rotary double-pipe double-pass anti-winding device.

[0033] Legend:

[0034] 1. Base; 2. Base; 21. Single-sided cage; 211. Intake main pipe; 2111. Intake branch pipe; 212. Exhaust main pipe; 2121. Exhaust branch pipe; 3. Exhaust assembly; 31. Exhaust box; 311. Exhaust box connector; 32. Primary filter; 321. Filter connector; 322. Partition; 323. Filter element; 4. Intake assembly; 41. Lower box; 411. Cylinder; 412. Tube; 4121. Upper end; 4122. Lower end; 413. First intake connector; 414. Gap; 42. Middle box; 421. Main intake connector; 43. Upper box; 431. Exhaust main connector; 432. Box body; 433. Box cover; 44. First main pipe; 45. Sealing ring; 5. Support frame; 6. Cage box; DETAILED DESCRIPTION

[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0036] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort shall fall within the scope of protection of the present invention.

[0037] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0038] In the description of the embodiments of the present invention, it should be noted that the terms "upper" and "inner" etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are orientations or positional relationships in which the inventive product is usually placed when in use. These 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. Therefore, they should not be understood as limitations on the present invention.

[0039] In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0040] See also Figure 1-7 The present invention provides a technical solution: a rotary double-pipe double-pass anti-winding device, comprising: a base 1, a base 2, an exhaust assembly 3 and an air intake assembly 4, the base 2 is rotatably mounted on the base 1, the exhaust assembly 3 is fixedly mounted on the base 2, a plurality of single-sided cages 21 arranged along the circumference of the exhaust assembly 3 are provided on the base 2, and the air intake assembly 4 is correspondingly arranged above the exhaust assembly 3, the air intake assembly 4 comprises a lower box body 41, a middle box body 42 and an upper box body 43 arranged in sequence from bottom to top, the lower box body 41 is fixedly mounted on the top of the single-sided cage frame 21 through a support frame 5, a first through hole is provided on the top surface of the lower box body 41, a cylinder 411 arranged circumferentially along the edge of the first through hole is provided on the top of the lower box body 41, the cylinder 411 extends into the middle box body 42, and a tube body 412 is provided on the bottom surface of the lower box body 41, and the upper end portion 4121 of the tube body 412 passes through the cylinder 411 and the middle box body 42 in sequence and is inserted into The upper box body 43 is connected to the bottom surface of the upper box body 43. The upper box body 43 and the tube body 412 are not fixed. The tube body 412 is connected to the upper box body 43. A gap 414 is provided between the tube body 412 and the cylinder 411. The lower end 4122 of the tube body 412 extends out of the bottom surface of the lower box body 41. The lower end 4122 is connected to the exhaust assembly 3 through the first main line 44. A first air intake connector 413 is provided on the side wall of the lower box body 41, and a main air intake connector is provided on the side wall of the middle box body 42. 421, the main air intake connector 421 is connected to the IVC main unit, the fresh air in the IVC main unit enters the middle box body 42 through the main air intake connector 421, then enters the lower box body 41 from the gap 414, and is finally output to the single-sided cage frame 21 from the first air intake connector 413. An exhaust main connector 431 is provided on the top of the upper box body 43, and the exhaust main connector 431 is connected to the IVC main unit. The exhaust gas from the single-sided cage frame 21 is output to the IVC main unit through the exhaust main connector 431.

[0041] The exhaust assembly 3 includes an exhaust box 31 and a primary filter 32 arranged in sequence from bottom to top. An exhaust box connector 311 is provided on the side wall of the exhaust box 31. The exhaust box 31 is connected to the primary filter 32. The primary filter 32 is connected to the first main line 44 through the filter connector 321. The exhaust gas from the single-sided cage 21 is introduced into the exhaust box 31 through the exhaust box connector 311 for aggregation, and then introduced into the primary filter 32 for preliminary filtration, and then discharged to the IVC main unit through the first main line 44. The exhaust gas is preliminarily purified before being discharged, which is convenient for the IVC main unit to process the exhaust gas.

[0042] A Z-shaped partition 322 is provided in the primary filter 32 , and a filter element 323 is provided on the partition 322 . The filter element 323 is arranged along the length direction of the primary filter 32 , effectively increasing the area of ​​the filter element 323 and improving the filtering effect.

[0043] The upper box body 43 includes a box body 432 and a box cover 433. The upper end portion 4121 is inserted into the bottom of the box body 432. Specifically, the upper end portion 4121 extends into the interior of the box body 432, and the annular rib arranged on the outer periphery of the upper end portion 4121 supports the box body 432. The box cover 433 is detachably installed on the box body 432, and the exhaust main joint 431 is arranged on the box cover 433. On the one hand, it is convenient to install the box body 432 and the tube body 412, and to connect the pipe between the box cover 433 and the IVC host. On the other hand, it is convenient to clean the interior of the upper box body 43.

[0044] Four single-sided cage frames 21 are provided on the base 2 , and several rows of cage box placement areas are provided on the single-sided cage frames 21 . A row of cage box placement areas is provided with several cage boxes 6 arranged in sequence from top to bottom, effectively ensuring the number of cage boxes 6 .

[0045] One side of the single-sided cage frame 21 is equipped with an air intake main duct 211, and the other side is equipped with an exhaust main duct 212. The air intake main duct 211 is connected to the first air intake connector 413, and the exhaust main duct 212 is connected to the exhaust box connector 311. Parallel air intake branches 2111 and exhaust branches 2121 are installed on the back of the cage storage area. The air intake branches 2111 are connected to the air intake main duct 211, and the exhaust branches 2121 are connected to the exhaust main duct 212. The air intake of the cage box 6 is connected to the air intake branch 2111, and the exhaust is connected to the exhaust branch 2121, realizing the air supply and exhaust of each cage box 6.

[0046] A sealing ring 45 is provided between the lower box body 41 and the middle box body 42. The sealing ring 45 is sleeved on the cylinder body 411 to effectively prevent gas leakage and avoid environmental pollution. Similarly, a sealing ring is also provided between the upper box body 43 and the middle box body 42 to further prevent gas leakage.

[0047] Working Principle: When the device is in use, the experimental animal is placed in the cage box 6 of the single-sided cage 21. When the base 2 is rotated, the single-sided cage 21 rotates with it, facilitating operation. When the single-sided cage 21 rotates, the exhaust assembly 3 on the base 2 rotates with it. At this point, in the air intake assembly 4, the lower housing 41 rotates with the single-sided cage 21, while the upper housing 43 separates from the middle housing 42, and the middle housing 42 separates from the lower housing 41. The upper housing 43 and the middle housing 42 are connected to the IVC main unit and do not rotate with it. Therefore, the air intake and ventilation lines between the device and the IVC main unit will not become entangled with the rotation, effectively preventing line distortion and damage, and preventing gas leakage. The air intake assembly 4 is equipped with an air intake line and an exhaust line to allow fresh air in and exhaust gas out, forming a dual-pipe, dual-pass design. The air intake and exhaust pipes on the air intake assembly are at different heights and do not rotate with the base, preventing entanglement and twisting, effectively preventing the lines from becoming entangled.

[0048] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A rotary double-pipe double-pass anti-winding device, characterized in that: include: A base (1), a base (2), an exhaust assembly (3) and an air intake assembly (4), wherein the base (2) is rotatably mounted on the base (1), the exhaust assembly (3) is fixedly mounted on the base (2), the base (2) is provided with a plurality of single-sided cages (21) arranged along the circumference of the exhaust assembly (3), the air intake assembly (4) is correspondingly arranged above the exhaust assembly (3), the air intake assembly (4) comprises a lower box (41), a middle box (42) and an upper box (43) arranged in sequence from bottom to top, the lower box (41) is fixedly mounted on the top of the single-sided cage (21) through a support frame (5), a first through hole is provided on the top surface of the lower box (41), a cylinder (411) arranged along the circumference of the first through hole is provided on the top of the lower box (41), the cylinder (411) extends into the middle box (42), and a bottom surface of the lower box (41) is provided with a A tube body (412) is provided, the upper end portion (4121) of the tube body (412) passes through the cylinder body (411) and the middle box body (42) in sequence and is then plugged into the bottom surface of the upper box body (43), the tube body (412) is connected to the upper box body (43), a gap (414) is provided between the tube body (412) and the cylinder body (411), and the lower end portion (4122) of the tube body (412) extends out of the bottom surface of the lower box body (41). The lower end portion (4122) is connected to the exhaust assembly (3) via a first main pipe (44); a first air intake connector (413) is provided on the side wall of the lower box (41); a main air intake connector (421) is provided on the side wall of the middle box (42); the main air intake connector (421) is connected to the IVC main unit; and an exhaust main connector (431) is provided on the top of the upper box (43); the exhaust main connector (431) is connected to the IVC main unit; The upper box (43) includes a box body (432) and a box cover (433), the upper end portion (4121) is plugged into the bottom of the box body (432), the box cover (433) is detachably mounted on the box body (432), and the exhaust main connector (431) is provided on the box cover (433); A sealing ring (45) is provided between the lower box (41) and the middle box (42), and the sealing ring (45) is sleeved on the cylinder (411); When the single-sided cage (21) rotates, the exhaust assembly (3) on the base (2) rotates accordingly. At this time, in the air intake assembly (4), the lower box (41) rotates along with the single-sided cage (21), while the upper box (43) is separated from the middle box (42), and the middle box (42) is separated from the lower box (41). The upper box (43) and the middle box (42) are connected to the IVC host and do not rotate accordingly.

2. A rotary double-pipe double-pass anti-winding device according to claim 1, characterized in that: The exhaust assembly (3) comprises an exhaust box (31) and a primary filter (32) arranged in sequence from bottom to top, an exhaust box connector (311) being provided on a side wall of the exhaust box (31), the exhaust box (31) being connected to the primary filter (32), and the primary filter (32) being connected to the first main line (44) via a filter connector (321).

3. A rotary double-pipe double-pass anti-winding device according to claim 2, characterized in that: A "Z"-shaped partition (322) is provided in the primary filter (32), a filter element (323) is provided on the partition (322), and the filter element (323) is arranged along the length direction of the primary filter (32).

4. A rotary double-pipe double-pass anti-winding device according to claim 1, characterized in that: Four single-sided cages (21) are provided on the base (2).

5. A rotary double-pipe double-pass anti-winding device according to claim 2, characterized in that: The single-sided cage frame (21) is provided with a plurality of rows of cage box placement areas, and a row of the cage box placement areas is provided with a plurality of cage boxes (6) arranged in sequence from top to bottom.

6. A rotary double-pipe double-pass anti-winding device according to claim 5, characterized in that: An air intake main pipe (211) is provided on one side of the single-sided cage (21), and an exhaust main pipe (212) is provided on the opposite side. The air intake main pipe (211) is connected to the first air intake joint (413), and the exhaust main pipe (212) is connected to the exhaust box joint (311).

7. A rotary double-pipe double-pass anti-winding device according to claim 6, characterized in that: An air intake branch pipe (2111) and an air exhaust branch pipe (2121) arranged in parallel are provided on the back of a row of cage box placement areas. The air intake branch pipe (2111) is connected to the air intake main pipe (211), and the air exhaust branch pipe (2121) is connected to the air exhaust main pipe (212).

Citation Information

Patent Citations

  • Rotary IVC system

    CN114747499A

  • One-way throttling rotary joint

    CN215060284U