Fresh air corrugated pipe with high flame retardant property

Abstract

The utility model relates to the technical field of corrugated pipes, in particular to a high-flame-retardant fresh air corrugated pipe which comprises a corrugated pipe body and an installation mechanism, the installation mechanism comprises an installation column, a sealing cylinder, a threaded cylinder, a clamping ring and a fixing assembly, the corrugated pipe body is provided with first external threads, and the sealing cylinder is provided with second external threads. The installation column is fixedly connected with one end of the corrugated pipe body, the sealing cylinder is fixedly connected with the other end of the corrugated pipe body, the threaded cylinder is in threaded connection with the corrugated pipe body through first external threads, the threaded cylinder is in threaded connection with the sealing cylinder through second external threads, and the clamping ring is fixedly connected with the corrugated pipe body and located on one side of the sealing cylinder. The fixing assembly is arranged on the side, close to the sealing cylinder, of the corrugated pipe body, butt joint of the two corrugated pipe bodies can be rapidly completed through the mounting mechanism, the mounting process is simple and convenient, and then the mounting efficiency of the corrugated pipe is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bellows technical field especially relates to a kind of high flame-retardant performance fresh air bellows. BACKGROUND

[0002] The bellows in fresh air system is an important component, mainly used for conveying air, to ensure the normal operation of fresh air system. The current bellows has poor corrosion resistance, and is not environmentally friendly, which cannot meet the increasing demand of people, and brings great inconvenience to users.

[0003] In the prior art patent application with the publication number CN 217993711 U, a kind of bellows is disclosed, the utility model is made by using high-density polyethylene base layer, which can ensure that the bellows body has good use strength and environmental protection, by using fluorine rubber to make acid and alkali resistant layer, and its inner surface is sprayed with Teflon coating liquid, which can ensure that the bellows body has good acid and alkali resistance, by using fireproof cloth to make fireproof layer, and spraying fire retardant on its surface, which can ensure that the bellows body has good fireproof performance, by using geotextile material to make the first corrosion-resistant layer and using carbon fiber material to make the second corrosion-resistant layer, which can ensure that the bellows body has good corrosion resistance and use strength, and prolongs the service life of the bellows body.

[0004] However, in the prior art, the butt joint of the bellows needs to be assisted by other tools, and the butt joint process is relatively complex, resulting in low installation efficiency of the bellows. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a kind of high flame-retardant performance fresh air bellows, to solve the problem of low installation efficiency of the bellows in the prior art, which needs to be assisted by other tools for butt joint, and the butt joint process is relatively complex.

[0006] To achieve the above-mentioned purpose, the utility model provides a kind of high flame-retardant performance fresh air bellows, including bellows body and installation mechanism, the installation mechanism includes mounting column, sealing cylinder, threaded cylinder, snap ring and fixed assembly, the bellows body has first external thread, the sealing cylinder has second external thread, the mounting column is fixedly connected with one end of the bellows body, the sealing cylinder is fixedly connected with the other end of the bellows body, the threaded cylinder is threadedly connected with the bellows body by the first external thread, the threaded cylinder is threadedly connected with the sealing cylinder by the second external thread, the snap ring is fixedly connected with the bellows body and located on one side of the sealing cylinder, and the fixed assembly is arranged on one side of the bellows body close to the sealing cylinder.

[0007] The fixed assembly comprises a fixed ring, four telescopic sleeve assemblies and four clamping blocks, the threaded cylinder is provided with four clamping grooves, the fixed ring is fixedly connected with the corrugated pipe body and located at one end of the corrugated pipe body close to the clamping ring, four telescopic sleeve assemblies are arranged between the fixed ring and the four clamping blocks, and the four clamping blocks penetrate through the clamping ring and extend into the four clamping grooves respectively.

[0008] The telescopic sleeve assembly comprises a telescopic spring and a telescopic rod, two ends of the telescopic spring are fixedly connected with the fixed ring and the clamping block respectively, and two ends of the telescopic rod are fixedly connected with the fixed ring and the clamping block respectively and located in the telescopic spring.

[0009] The fixed assembly further comprises a fixed cylinder, and the four clamping blocks are fixedly connected with the fixed cylinder and located on the inner side wall of the fixed cylinder.

[0010] The mounting mechanism further comprises a mounting ring, the mounting ring is fixedly connected with the outer side wall of the corrugated pipe body and located on the side of the corrugated pipe body close to the first external thread.

[0011] The high-flame-retardant fresh air corrugated pipe of the utility model, when butt joint two corrugated pipe bodies, align two corrugated pipe bodies, insert the mounting cylinder on one of the corrugated pipe bodies into the sealing cylinder, make the mounting cylinder insert the bottom of the sealing cylinder, rotate the threaded cylinder again, the threaded cylinder moves to the direction of the other corrugated pipe body through the first external thread and the second external thread, until the threaded cylinder is attached to the clamping ring, then fix the threaded cylinder through the fixed assembly, ensure that the threaded cylinder will not rotate due to external force, butt joint two corrugated pipe bodies through the foregoing scheme, the butt joint process is simple and convenient, and the installation efficiency of the corrugated pipe is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced.

[0013] Figure 1 It is a structure schematic view of the high-flame-retardant fresh air corrugated pipe of the utility model.

[0014] Figure 2 It is another structure schematic view of the high-flame-retardant fresh air corrugated pipe of the utility model.

[0015] Figure 3 It is the A place local structure of the utility model's high-flame-retardant fresh air corrugated pipe. Figure 2 enlarged view.

[0016] Figure 4is a structure schematic view of the clasp ring of the utility model.

[0017] 101 - bellows body, 102 - sealing cylinder, 103 - mounting cylinder, 104 - first external thread, 105 - second external thread, 106 - mounting ring, 107 - threaded cylinder, 108 - fixing ring, 109 - telescopic rod, 110 - telescopic spring, 111 - clamping block, 112 - fixing cylinder, 113 - clamping groove, 114 - clasp ring. DETAILED DESCRIPTION

[0018] Please refer to Figures 1 to 4 , wherein, Figure 1 is a structure schematic view of the high flame-retardant performance fresh air bellows of the utility model, Figure 2 is another direction structure schematic view of the high flame-retardant performance fresh air bellows of the utility model, Figure 3 is the structure schematic view of the Figure 2 A partial structure enlarged view of the utility model, Figure 4 is a structure schematic view of the clasp ring of the utility model.

[0019] The utility model provides a kind of high flame-retardant performance fresh air bellows, including bellows body 101 and mounting mechanism, the mounting mechanism includes mounting column, sealing cylinder 102, threaded cylinder 107, mounting ring 106, clasp ring 114 and fixed assembly, the bellows body 101 has first external thread 104, the sealing cylinder 102 has second external thread 105, the fixed assembly includes fixing ring 108, fixing cylinder 112, four telescopic kits and four clamping blocks 111, the threaded cylinder 107 has four clamping grooves 113, the telescopic kit includes telescopic spring 110 and telescopic rod 109, by the foregoing scheme, it is solved in the prior art, the butt joint of bellows needs to be assisted by other tools, and the butt joint process is more complex, leading to the installation efficiency of bellows is lower Problem.

[0020] In the embodiment, the mounting column is fixedly connected with one end of the bellows body 101, the sealing cylinder 102 is fixedly connected with the other end of the bellows body 101, the threaded cylinder 107 is threadedly connected with the bellows body 101 through the first external thread 104, the threaded cylinder 107 is threadedly connected with the sealing cylinder 102 through the second external thread 105, the clamping ring 114 is fixedly connected with the bellows body 101 and located on one side of the sealing cylinder 102, and the fixing assembly is arranged on the side of the bellows body 101 close to the sealing cylinder 102. When the two bellows bodies 101 are docked, the two bellows bodies 101 are aligned, the mounting cylinder 103 on one of the bellows bodies 101 is inserted into the sealing cylinder 102, the mounting cylinder 103 is inserted into the bottom of the sealing cylinder 102, the threaded cylinder 107 is rotated, the threaded cylinder 107 moves to the other bellows body 101 through the first external thread 104 and the second external thread 105, until the threaded cylinder 107 abuts against the clamping ring 114, and then the threaded cylinder 107 is fixed through the fixing assembly, so that the threaded cylinder 107 cannot be rotated due to external force. The two bellows bodies 101 are docked through the above scheme, the docking process is simple and convenient, and the installation efficiency of the bellows is improved.

[0021] Further, the fixing ring 108 is fixedly connected with the bellows body 101 and located at the end of the bellows body 101 close to the clamping ring 114, the four telescopic sleeve assemblies are arranged between the fixing ring 108 and the four clamping blocks 111, and the four clamping blocks 111 penetrate through the clamping ring 114 and respectively extend into the four clamping grooves 113.

[0022] Further, the two ends of the telescopic spring 110 are respectively fixedly connected with the fixing ring 108 and the clamping block 111, and the two ends of the telescopic rod 109 are respectively fixedly connected with the fixing ring 108 and the clamping block 111 and located in the telescopic spring 110.

[0023] Further, the four clamping blocks 111 are fixedly connected with the fixing cylinder 112 and located on the inner side wall of the fixing cylinder 112.

[0024] In the embodiment, when the two bellows bodies 101 are connected, the two bellows bodies 101 are aligned, the mounting cylinder 103 on one of the bellows bodies 101 is inserted into the sealing cylinder 102, the mounting cylinder 103 is inserted into the bottom of the sealing cylinder 102, the fixing cylinder 112 is pressed, the fixing cylinder 112 is moved towards the bellows body 101, at this time, the four telescopic springs 110 and the four telescopic rods 109 are compressed under force, the position for the movement of the threaded cylinder 107 is cleared, the threaded cylinder 107 is rotated, the threaded cylinder 107 is moved towards the other bellows body 101 through the first external thread 104 and the second external thread 105, until the threaded cylinder 107 is attached to the snap ring 114, at this time, the four clamping blocks 111 are aligned with the four clamping grooves 113 respectively, the fixing cylinder 112 is loosened, the four telescopic springs 110 are reset and elongated, and the four clamping blocks 111 are inserted into the four clamping grooves 113 respectively, the threaded cylinder 107 is fixed, and the threaded cylinder 107 is prevented from rotating due to external force, the two bellows bodies 101 are connected through the above scheme, the connection process is simple and convenient, and the installation efficiency of the bellows is improved.

[0025] Further, the mounting ring 106 is fixedly connected to the outer wall of the bellows body 101 and located on the side of the bellows body 101 close to the first external thread 104.

[0026] In the embodiment, when the two bellows bodies 101 are disassembled, the fixing cylinder 112 is pressed, the four clamping blocks 111 are separated from the four clamping grooves 113 respectively, the threaded cylinder 107 is rotated, the threaded cylinder 107 is moved to one end of the mounting ring 106, the bellows body 101 is pulled outwards, the mounting cylinder 103 and the sealing cylinder 102 are separated, the disassembly of the two bellows bodies 101 is completed through the above mode, the maintenance of the bellows body 101 by the operator is facilitated, and the practicability of the device is improved.

[0027] When the two corrugated pipe bodies 101 are connected by the utility model, the two corrugated pipe bodies 101 are aligned, the mounting cylinder 103 on one of the corrugated pipe bodies 101 is inserted into the sealing cylinder 102, the mounting cylinder 103 is inserted into the bottom of the sealing cylinder 102, the fixing cylinder 112 is pressed, the fixing cylinder 112 is moved towards the corrugated pipe body 101, at this time, the four telescopic springs 110 and the four telescopic rods 109 are forced to compress, the position for the movement of the threaded cylinder 107 is cleared, the threaded cylinder 107 is rotated, the threaded cylinder 107 is moved towards the other corrugated pipe body 101 through the first external thread 104 and the second external thread 105, until the threaded cylinder 107 is attached to the snap ring 114, at this time, the four clamping blocks 111 are respectively aligned with the four clamping grooves 113, the fixing cylinder 112 is loosened, the four telescopic springs 110 are reset to elongate, and the four clamping blocks 111 are respectively inserted into the four clamping grooves 113, the threaded cylinder 107 is fixed, and the threaded cylinder 107 is ensured not to rotate due to external force, the two corrugated pipe bodies 101 are connected by the foregoing scheme, the connection process is simple and convenient, and the installation efficiency of the corrugated pipe is improved. The corrugated pipe body 101 uses polyethylene as a base material and adds high flame-retardant material; by improving the new air pipe material formula, the influence of different proportions of flame-retardant materials on the flame-retardant performance of the pipe material is compared, the flame-retardant performance, temperature resistance and the like are improved, and the corrugated pipe is suitable for home decoration and engineering new air system installation.

[0028] The above disclosure is only a preferred embodiment of the present application, and cannot limit the scope of the present application. Those skilled in the art can understand that the above-mentioned embodiment can be implemented in whole or in part, and equivalent changes can be made according to the claims of the present application, which still belongs to the scope covered by the present application.

Claims

1. A high flame-retardant performance fresh air corrugated pipe, comprising a corrugated pipe body, characterized in that, It also includes a mounting mechanism, the mounting mechanism includes a mounting column, a sealing cylinder, a threaded cylinder, a snap ring and a fixing assembly, the corrugated pipe body has a first external thread, the sealing cylinder has a second external thread, the mounting column is fixedly connected with one end of the corrugated pipe body, the sealing cylinder is fixedly connected with the other end of the corrugated pipe body, the threaded cylinder is threadedly connected with the corrugated pipe body through the first external thread, the threaded cylinder is threadedly connected with the sealing cylinder through the second external thread, the snap ring is fixedly connected with the corrugated pipe body and located on one side of the sealing cylinder, and the fixing assembly is arranged on one side of the corrugated pipe body close to the sealing cylinder.

2. The high flame-retardant performance fresh air corrugated pipe according to claim 1, characterized in that, The fixing assembly includes a fixing ring, four telescopic sleeves and four clamping blocks, the threaded cylinder has four clamping grooves, the fixing ring is fixedly connected with the corrugated pipe body and located at one end of the corrugated pipe body close to the snap ring, four telescopic sleeves are arranged between the fixing ring and four clamping blocks, and four clamping blocks penetrate through the snap ring and extend into four clamping grooves respectively.

3. The high flame-retardant performance fresh air corrugated pipe according to claim 2, characterized in that, The telescopic sleeve includes a telescopic spring and a telescopic rod, both ends of the telescopic spring are fixedly connected with the fixing ring and the clamping block respectively, both ends of the telescopic rod are fixedly connected with the fixing ring and the clamping block respectively and located in the telescopic spring.

4. The high flame-retardant performance fresh air corrugated pipe according to claim 3, characterized in that, The fixing assembly further includes a fixing cylinder, four clamping blocks are fixedly connected with the fixing cylinder and located on the inner side wall of the fixing cylinder.

5. The high flame-retardant performance fresh air corrugated pipe according to claim 4, characterized in that, The mounting mechanism further includes a mounting ring, the mounting ring is fixedly connected with the outer side wall of the corrugated pipe body and located on one side of the corrugated pipe body close to the first external thread.

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