Fresh air pipe with high ring stiffness

Abstract

The utility model relates to the technical field of air conditioner pipelines, in particular to a high ring stiffness fresh air pipe which comprises an inner pipe, an outer pipe and a fixing assembly, the inner pipe is connected with the outer pipe and located in the outer pipe, a plurality of protruding rings are evenly arranged on the surfaces of the inner pipe and the outer pipe, a circular pipe is connected with the outer pipe in a sliding mode and located on the outer side of the outer pipe, and a circular ring is fixedly connected with the circular pipe. The two sliding blocks are connected with the circular ring in a sliding mode and located on the two sides of the circular ring respectively, the two fixing rings are fixedly connected with the corresponding sliding blocks and located on one side of the protruding ring, the four side plates are fixedly connected with the corresponding fixing rings and located on the two sides of the fixing rings respectively, and every two adjacent fixing rings are connected through bolts. Through the arrangement of the structure, the problems that an existing fresh air pipe is usually connected with an adjacent pipeline in a connecting joint mode after being cut into a proper length, but the operation process is very troublesome, and the fresh air pipe is difficult to take down after being used are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning pipelines, in particular to a new air duct with high ring stiffness. Background Art

[0002] In modern cities, as air pollution becomes increasingly serious and people's environmental awareness increases, fresh air system ventilation has become a widely accepted way of ventilation that can ensure fresh and clean indoor air. The fresh air system includes fresh air air conditioner host and fresh air duct. The fresh air system not only delivers fresh air but also plays a role in regulating indoor temperature.

[0003] The existing fresh air duct is usually connected to the adjacent pipes by connecting joints after being cut to an appropriate length, but the operation process is very troublesome and it is difficult to remove after use. Utility Model Content

[0004] The utility model aims to provide a high ring stiffness fresh air duct, which solves the problem that the existing fresh air duct is usually connected to the adjacent pipes by connecting joints after cutting an appropriate length, but the operation process is very troublesome and it is difficult to remove after use.

[0005] To achieve the above-mentioned purpose, the utility model provides a high-ring stiffness fresh air duct, comprising an inner tube, an outer tube and a fixing assembly, wherein the inner tube is connected to the outer tube and is located inside the outer tube, a plurality of raised rings are evenly arranged on the surfaces of the inner tube and the outer tube, the circular tube is slidably connected to the outer tube and is located on the outside of the outer tube, the circular ring is fixedly connected to the circular tube and is located on one side of the raised ring, the two sliding blocks are slidably connected to the circular ring and are respectively located on both sides of the circular ring, the two fixing rings are fixedly connected to the corresponding sliding blocks and are located on one side of the raised ring, the four side plates are respectively fixedly connected to the corresponding fixing rings and are located on both sides of the fixing ring, and the two adjacent fixing rings are bolted.

[0006] Wherein, a slot is formed between the circular ring and the two fixing rings, and the slot is adapted to the raised ring.

[0007] Wherein, the high ring stiffness fresh air duct also includes a sealing tube, one end of which is fixedly connected to the circular tube, and the other end of the sealing tube is covered inside the inner tube.

[0008] Among them, the high ring stiffness fresh air duct also includes a connecting pipe and a clamping ring. The connecting pipe is fixedly connected to the corresponding circular pipe and is located on one side of the circular pipe. The clamping ring is fixedly connected to the corresponding circular pipe and is located on one side of the circular pipe. The clamping ring is clamped with the connecting pipe.

[0009] Wherein, the high ring stiffness fresh air duct also includes a threaded ring and two raised plates, and the threaded ring is threadedly connected to the two circular rings and is sleeved on the outside of the two circular rings.

[0010] The utility model discloses a high ring stiffness fresh air duct, the circular tube is slidably connected to the outer tube and is located on the outside of the outer tube, the circular ring is fixedly connected to the circular tube and is located on one side of the raised ring, the two sliding blocks are slidably connected to the circular ring and are respectively located on both sides of the circular ring, the two fixed rings are fixedly connected to the corresponding sliding blocks and are located on one side of the raised ring, the four side plates are respectively fixedly connected to the corresponding fixed rings and are located on both sides of the fixed ring, the two adjacent fixed rings are bolted, the circular tube is sleeved on the surface of the outer tube, the circular ring is clamped on one side of the raised ring, the sliding block is slid so that the fixed ring is clamped on the other side of the raised ring, the corresponding two side plates are fixed by the bolts so that the two fixed rings are sleeved on the outer tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a structural schematic diagram of a new air duct with high ring stiffness of the utility model.

[0013] Figure 2 It is a top view of the new air duct with high ring stiffness of the utility model.

[0014] Figure 3 The utility model Figure 2 AA line structural section view,

[0015] 1-inner tube, 2-outer tube, 3-circular tube, 4-circular ring, 5-sliding block, 6-fixing ring, 7-side plate, 8-cage, 9-sealing tube, 10-connecting tube, 11-cage, 12-threaded ring, 13-raised plate, 14-raised ring. DETAILED DESCRIPTION

[0016] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0017] See also Figures 1 to 3 The utility model provides a high-ring-rigidity fresh air duct, an inner tube 1, an outer tube 2 and a fixing assembly, the inner tube 1 is connected to the outer tube 2 and is located inside the outer tube 2, a plurality of raised rings 14 are evenly arranged on the surfaces of the inner tube 1 and the outer tube 2, the circular tube 3 is slidably connected to the outer tube 2 and is located on the outside of the outer tube 2, the circular ring 4 is fixedly connected to the circular tube 3 and is located on one side of the raised ring 14, the two sliding blocks 5 are slidably connected to the circular ring 4 and are respectively located on both sides of the circular ring 4, the two fixing rings 6 are fixedly connected to the corresponding sliding blocks 5 and are located on one side of the raised ring 14, the four side plates 7 are respectively fixedly connected to the corresponding fixing rings 6 and are located on both sides of the fixing ring 6, and the two adjacent fixing rings 6 are bolted.

[0018] In this embodiment, the material of the outer shell uses polyethylene as the base material, adds silicon calcium magnesium whiskers, polyolefin elastomer, and uses maleic anhydride grafted linear low-density polyethylene as a compatibilizer to improve the mechanical properties of the material, and the ring stiffness is increased from 3.5-4KN / m2 to 8-8.5KN / m2; the inner layer uses polyethylene plus antioxidant masterbatch; through the improved new air duct material formula, the round tube 3 is sleeved on the surface of the outer tube 2, the circular ring 4 is clamped on one side of the raised ring 14, and the sliding block 5 is slid so that the fixed ring 6 is clamped on the other side of the raised ring 14, and the corresponding two side plates 7 are fixed by the bolts so that the two fixed rings 6 are sleeved on the outer tube 2.

[0019] Furthermore, a slot 8 is formed between the circular ring 4 and the two fixing rings 6 , and the slot 8 is adapted to the raised ring 14 .

[0020] In this embodiment, the circular tube 3 and the fixing ring 6 clamp the corresponding raised ring 14 to improve stability and sealing.

[0021] Furthermore, the high ring stiffness fresh air duct also includes a sealing tube 9 , one end of which is fixedly connected to the circular tube 3 , and the other end of which is covered inside the inner tube 1 .

[0022] In this embodiment, the sealing tube 9 and the round tube 3 cover one end surface of the inner tube 1 and the outer tube 2, thereby improving the sealing performance.

[0023] Furthermore, the high-ring stiffness fresh air duct also includes a connecting pipe 10 and a clamping ring 11. The connecting pipe 10 is fixedly connected to the corresponding circular pipe 3 and is located on one side of the circular pipe 3. The clamping ring 11 is fixedly connected to the corresponding circular pipe 3 and is located on one side of the circular pipe 3. The clamping ring 11 is clamped with the connecting pipe 10.

[0024] In this embodiment, when connecting two adjacent pipelines, the connecting pipe 10 is inserted into the clamping ring 11 so that the adjacent rings 4 are connected and sealed to each other.

[0025] Furthermore, the high ring stiffness fresh air duct also includes a threaded ring 12 and two raised plates 13 . The threaded ring 12 is threadedly connected to the two circular rings 4 and is sleeved on the outside of the two circular rings 4 .

[0026] In this embodiment, after the two round tubes 3 are connected, the threaded ring 12 is rotated by chaining the raised plates 13 so that the threaded ring 12 covers the connection between the two round tubes 3, thereby improving the sealing performance.

[0027] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A high ring stiffness fresh air duct, comprising an inner tube and an outer tube, wherein the inner tube is connected to the outer tube and is located inside the outer tube, and the surfaces of the inner tube and the outer tube are evenly provided with a plurality of raised rings, characterized in that: It also includes two fixing components, which are respectively arranged at both ends of the outer tube, each of the fixing components includes a circular tube, a circular ring, two sliding blocks, two fixing rings and four side plates, the circular tube is slidably connected to the outer tube and is located on the outside of the outer tube, the circular ring is fixedly connected to the circular tube and is located on one side of the raised ring, the two sliding blocks are slidably connected to the circular ring and are respectively located on both sides of the circular ring, the two fixing rings are fixedly connected to the corresponding sliding blocks and are located on one side of the raised ring, the four side plates are respectively fixedly connected to the corresponding fixing rings and are located on both sides of the fixing ring, and two adjacent fixing rings are bolted.

2. The high ring stiffness fresh air duct according to claim 1, characterized in that: A clamping groove is formed between the circular ring and the two fixing rings, and the clamping groove is matched with the raised ring.

3. The high ring stiffness fresh air duct according to claim 2, characterized in that: The high ring stiffness fresh air duct also includes a sealing tube, one end of which is fixedly connected to the circular tube, and the other end of which is covered inside the inner tube.

4. The high ring stiffness fresh air duct according to claim 3, characterized in that: The high ring stiffness fresh air duct also includes a connecting pipe and a clamping ring. The connecting pipe is fixedly connected to the corresponding circular pipe and is located on one side of the circular pipe. The clamping ring is fixedly connected to the corresponding circular pipe and is located on one side of the circular pipe. The clamping ring is clamped to the connecting pipe.

5. The high ring stiffness fresh air duct according to claim 4, characterized in that: The high ring stiffness fresh air duct also includes a threaded ring and two raised plates. The threaded ring is threadedly connected to the two circular rings and is sleeved on the outside of the two circular rings.

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