Assembled fresh air pipeline for indoor ventilation

Abstract

The utility model discloses an assembled fresh air pipeline for indoor air exchange, and relates to the technical field related to indoor air exchange. The connecting device comprises a connecting shell, a fixing barrel, a first connecting disc and a second connecting disc, the fixing barrel is fixed to one side of the connecting shell, the first connecting disc is arranged at the end, away from the connecting shell, of the fixing barrel, hexagon socket screws are symmetrically and movably connected into the first connecting disc, and the second connecting disc is arranged on the side, away from the first connecting disc, of the connecting shell. Sealing rings are fixed to the end faces, away from the connecting shell, of the second connecting discs. Through the arrangement of the connecting shell, the fixing cylinder, the first connecting disc and the second connecting disc, the problems that the fresh air pipeline can be installed only through various joints when being installed, and sealing is not tight due to rubber aging possibly when a rubber assembly is exposed for direct sealing are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to indoor ventilation, and in particular relates to an assembled fresh air duct for indoor ventilation. Background Art

[0002] The fresh air system is an independent air treatment system consisting of an air supply system and an exhaust system. It is divided into two types: ducted fresh air system and ductless fresh air system. The ducted fresh air system consists of a fresh air fan and duct accessories. The fresh air duct needs to have a larger inner diameter to supply air and ensure better smoothness when guiding air. However, it still has the following disadvantages in actual use:

[0003] When assembling the fresh air duct, it is inevitable to encounter bends and straight lines. At this time, various joints are needed to complete the assembly. When installing, the corresponding accessories need to be prepared at the same time. However, in reality, the installation situation is more complicated and may require multiple joints to complete the installation, which is inconvenient to operate.

[0004] When installing the fresh air duct, the connection between the pipe and the plug is directly exposed and sealed with a rubber component. After a long time, the rubber ages and gaps are easily left between the two pipes, causing air leakage at the gap position, wasting the energy used by the fresh air system and affecting the temperature regulation of the system. Utility Model Content

[0005] The purpose of the utility model is to provide an assembled fresh air duct for indoor ventilation. By arranging a connecting shell, a fixing cylinder, a first connecting plate and a second connecting plate, the problem that the fresh air duct needs multiple joints to complete the installation and the problem that direct sealing through exposed rubber components may cause poor sealing due to rubber aging is solved.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The utility model is an assembled fresh air duct for indoor ventilation, including a connecting shell, a fixed cylinder, a first connecting plate and a second connecting plate. A fixing cylinder is fixed on one side of the connecting shell, and a first connecting plate is provided at an end of the fixing cylinder away from the connecting shell. A hexagon socket bolt is symmetrically and movably connected in the first connecting plate. A second connecting plate is provided on the side of the connecting shell away from the first connecting plate, and a sealing ring is fixed on an end face of the second connecting plate away from the connecting shell. When in use, the utility model connects the fixing cylinder, the first connecting plate and the second connecting plate together through the connecting shell, and accommodates the first connecting cylinder, the bellows and the second connecting cylinder therein through the fixed cylinder, and connects the first connecting plate and the adjacent second connecting plate on the utility model together, so that two utility models are connected together.

[0008] Further, a connection port is provided at the center of one side surface of the connection shell close to the first connection disk. A connection pipe is fixedly communicated at the center of one side surface of the connection shell close to the second connection disk. One end of the connection pipe away from the connection shell is fixed to the second connection disk. The connection shell is communicated with the second connection cylinder through the connection port.

[0009] Further, connection blocks are symmetrically fixed on the upper and lower sides of the inner wall of the fixed cylinder away from the connection shell. A threaded hole is provided through one side of the connection block. The hexagon socket head bolt is threadedly connected in the threaded hole. The fixed cylinder is threadedly connected to the hexagon socket head bolt through the threaded hole on the connection block, so that the first connection disk and the fixed cylinder are connected together.

[0010] Further, a receiving port is provided on the end surface of the first connection disk away from the connection shell corresponding to the position of the threaded hole. A threaded port is provided on the surface close to the connection shell in the receiving port. The first connection disk is connected to the hexagon socket head bolt through the receiving port and the threaded port.

[0011] Further, a first connection cylinder is fixed at the center of the end surface of the first connection disk close to the connection shell. A corrugated pipe is fixed at one end of the first connection cylinder close to the connection shell. A second connection cylinder is fixed at one end of the corrugated pipe close to the connection shell. One end of the second connection cylinder away from the corrugated pipe is fixed to one side of the connection shell close to the first connection disk. The first connection cylinder is connected together through the corrugated pipe and the second connection cylinder, and through the corrugated pipe, after the present utility model is fixed, the first connection disk adapts to the connection position of the second connection disk of the adjacent present utility model.

[0012] Further, a sealing sleeve is fixed on the periphery of the second connection disk. The outer side of the sealing ring is fixed on the inner wall of the sealing sleeve. Mounting holes are arranged in an annular array corresponding to the positions on the end surfaces of the first connection disk and the second connection disk. The first connection disk and the second connection disk can be connected together by inserting mounting bolts into the mounting holes, so that the first connection disk and the second connection disk on two adjacent present utility models close to each other can be connected together.

[0013] The present utility model has the following beneficial effects:

[0014] By providing a connection shell, a fixed cylinder, a first connection disk and a second connection disk, the present utility model solves the problem that multiple joints are required to complete the installation of the fresh air duct. Unscrew the hexagon socket head bolt from the connection block and the first connection disk, then pull the first connection disk forward to change the corrugated pipe from the compressed state to the extended state, and then align the first connection disk with the second connection disk to complete the installation. When in use, the installation of the fresh air duct does not require multiple joints to complete the installation, which can better simplify the carrying, and only one installation is required between two pipes, which is more convenient for installation.

[0015] The utility model solves the problem that the fresh air duct may have poor sealing due to rubber aging when it is directly sealed through the rubber component by setting the first connection disk and the second connection disk. Align the position of the first connection disk with that of the second connection disk on the adjacent utility model of the present invention, so that the first connection disk is sleeved into the sealing sleeve. After contacting the second connection disk, insert the installation bolt into the installation holes on the first connection disk and the second connection disk on the adjacent utility model of the present invention, and fasten it with the installation nut, then connect the two utility models of the present invention together. The gap between the first connection disk and the second connection disk on the adjacent utility model of the present invention is sealed by the sealing ring in the sealing sleeve, so that the sealed rubber component does not need to be directly exposed, and the gold will not contact the transmitted gas during the working process and will not contact the air and age, and the sealing effect is more durable. Description of the Drawings

[0016] Figure 1 is a three-dimensional assembly structure diagram of the utility model of the present invention;

[0017] Figure 2 is a three-dimensional connection shell structure diagram of the utility model of the present invention;

[0018] Figure 3 is a three-dimensional fixed cylinder structure diagram of the utility model of the present invention;

[0019] Figure 4 is a three-dimensional first connection disk structure diagram of the utility model of the present invention;

[0020] Figure 5 is a three-dimensional second connection disk structure diagram of the utility model of the present invention.

[0021] [[ID=[]25]]Reference Signs:

[0022] 100, connection shell; 101, connection port; 102, connection pipe; 200, fixed cylinder; 201, connection block; 202, screw hole; 300, first connection disk; 301, receiving port; 302, screw port; 303, hexagon socket head bolt; 304, first connection cylinder; 305, bellows; 306, second connection cylinder; 400, second connection disk; 401, sealing ring; 402, installation hole; 403, sealing sleeve. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention.

[0024] Please refer to Figures 1-5As shown in the figure, the utility model relates to an assembled fresh air duct for indoor ventilation, which comprises a connection shell 100, a fixing cylinder 200, a first connection disc 300 and a second connection disc 400. A fixing cylinder 200 is fixed on one side of the connection shell 100. The connection shell 100 communicates the second connection cylinder 306 and the connection pipe 102. The fixing cylinder 200 houses the first connection cylinder 304, the corrugated pipe 305 and the second connection cylinder 306 therein. A first connection disc 300 is arranged at one end of the fixing cylinder 200 away from the connection shell 100. The first connection disc 300 and the second connection disc 400 are connected together so that two such utility models are connected and communicated. Hexagon socket head cap screws 303 are symmetrically and movably connected inside the first connection disc 300. The first connection disc 300 is connected to the connection block 201 through the hexagon socket head cap screws 303, so that the first connection cylinder 304, the corrugated pipe 305 and the second connection cylinder 306 are housed in the fixing cylinder 200. A second connection disc 400 is arranged on one side of the connection shell 100 away from the first connection disc 300. A sealing ring 401 is fixed on the end face of the second connection disc 400 away from the connection shell 100. When the first connection disc 300 and the second connection disc 400 are connected together, the sealing ring 401 seals the gap outside the first connection disc 300 and the second connection disc 400 in cooperation with the sealing sleeve 403.

[0025] As shown in Figure 1 and 2 As shown in the figure, a connection port 101 is opened in the center of one side surface of the connection shell 100 close to the first connection disc 300. The connection shell 100 communicates with the second connection cylinder 306 through the connection port 101. A connection pipe 102 is fixedly communicated in the center of one side surface of the connection shell 100 close to the second connection disc 400. One end of the connection pipe 102 away from the connection shell 100 is fixed to the second connection disc 400. The connection shell 100 and the second connection disc 400 are connected together through the connection pipe 102.

[0026] As shown in Figure 1 and 3 As shown in the figure, connection blocks 201 are symmetrically and fixedly arranged on the upper and lower sides of the inner wall of the fixing cylinder 200 away from the connection shell 100. A threaded hole 202 is opened through one side of the connection block 201. The hexagon socket head cap screws 303 are threadedly connected in the threaded hole 202. The connection block 201 is threadedly connected to the hexagon socket head cap screws 303 through the threaded hole 202, so that the fixing cylinder 200 and the first connection disc 300 are connected together.

[0027] As shown in Figure 1 and 4As shown in the figure, an accommodation opening 301 is provided on one end face of the first connection plate 300 away from the connection shell 100 corresponding to the position of the screw hole 202. A screw port 302 is provided on the side of the accommodation opening 301 close to the connection shell 100. The first connection plate 300 is movably connected to the hexagon socket head bolt 303 through the accommodation opening 301 and the screw port 302. The hexagon socket head bolt 303 is threadedly connected in the screw port 302, and through the accommodation opening 301, the front end of the hexagon socket head bolt 303 is flush with the front end face of the first connection plate 300.

[0028] As shown in Figure 1 , 4 In the figure, a first connection cylinder 304 is fixed at the center of one end face of the first connection plate 300 close to the connection shell 100. The first connection plate 300 is communicated with the corrugated pipe 305 through the first connection cylinder 304. A corrugated pipe 305 is fixed at one end of the first connection cylinder 304 close to the connection shell 100. The corrugated pipe 305 communicates the first connection cylinder 304 and the second connection cylinder 306. When the hexagon socket head bolt 303 is unscrewed on the first connection plate 300, the corrugated pipe 305 can be directly pulled, connecting the first connection plate 300 with the second connection plates 400 in different directions. A second connection cylinder 306 is fixed at one end of the corrugated pipe 305 close to the connection shell 100. The end of the second connection cylinder 306 away from the corrugated pipe 305 is fixed to the side of the connection shell 100 close to the first connection plate 300, so that the connection shell 100 is communicated with the second connection cylinder 306 through the connection port 101.

[0029] As shown in Figure 1 , 5 In the figure, a sealing sleeve 403 is fixed on the periphery of the second connection plate 400. The outer side of the sealing ring 401 is fixed on the inner wall of the sealing sleeve 403. The second connection plate 400 assists in the sealing when the first connection plate 300 and the second connection plate 400 are connected through the sealing sleeve 403. Moreover, the outer side edge of the end face of the first connection plate 300 away from the connection shell 100 is chamfered to cooperate with the sealing ring 401 for sealing. Mounting holes 402 are arranged in an annular array at corresponding positions on the end faces of the first connection plate 300 and the second connection plate 400. The first connection plate 300 and the second connection plate 400 are connected together by inserting mounting bolts through the mounting holes 402 and tightening the mounting nuts.

[0030] The specific working principle of the present utility model is as follows: When in use, after determining the installation position of the first present utility model, install the present utility model through the connecting member, and then determine the installation position of the second present utility model. When the two present utility models need to be directly connected, align the position of the first connection disk 300 and the second connection disk 400 on the adjacent present utility model, so that the first connection disk 300 is sleeved into the sealing sleeve 403. After contacting the second connection disk 400, insert the installation bolt into the installation hole 402 on the first connection disk 300 and the second connection disk 400 on the adjacent present utility model, and after fastening with the installation nut, connect the two present utility models together. The gap between the first connection disk 300 and the second connection disk 400 on the adjacent present utility model is sealed by the sealing ring 401 in the sealing sleeve 403. When a certain corner is generated between the two present utility models, unscrew the hexagon socket head cap screw 303 from the connection block 201 and the first connection disk 300, and then pull the first connection disk 300 forward to make the corrugated pipe 305 change from the compressed state to the extended state. Then align the first connection disk 300 with the second connection disk 400, and then repeat the above installation steps. Then screw the threaded end of the hexagon socket head cap screw 303 into the screw port 302 on the side of the first connection disk 300 close to the connection shell 100 to prevent air leakage at the screw port 302 position.

[0031] The above are only the preferred embodiments of the present utility model and do not limit the present utility model. Any modification to the technical solutions recorded in the foregoing embodiments, any equivalent replacement of some technical features, and any modification, equivalent replacement, and improvement made shall fall within the protection scope of the present utility model.

Claims

1. An assembled fresh air duct for indoor ventilation, comprising a connecting shell (100), a fixing cylinder (200), a first connecting disc (300) and a second connecting disc (400), characterized in that: One side of the connecting shell (100) is fixed with a fixed cylinder (200). One end of the fixed cylinder (200) away from the connecting shell (100) is provided with a first connection disk (300). Symmetrically and movably connected inside the first connection disk (300) are hexagon socket head cap screws (303). One side of the connecting shell (100) away from the first connection disk (300) is provided with a second connection disk (400). One end face of the second connection disk (400) away from the connecting shell (100) is fixed with a sealing ring (401).

2. The assembled fresh air duct for indoor ventilation according to claim 1, wherein: In the center of one side face of the connecting shell (100) close to the first connection disk (300) is opened a connection port (101). Fixed and communicated in the center of one side face of the connecting shell (100) close to the second connection disk (400) is a connecting pipe (102). One end of the connecting pipe (102) away from the connecting shell (100) is fixed to the second connection disk (400).

3. The assembled fresh air duct for indoor ventilation according to claim 1, characterized in that: On the upper and lower symmetry sides of the inner wall of the fixed cylinder (200) away from the connecting shell (100) are fixed connection blocks (201). Through the side of the connection block (201) is opened a threaded hole (202). The hexagon socket head cap screw (303) is threadedly connected in the threaded hole (202).

4. The assembled fresh air duct for indoor ventilation according to claim 3, characterized in that: On the end face of the first connection disk (300) away from the connecting shell (100) corresponding to the position of the threaded hole (202) is opened a receiving port (301). On the face close to the connecting shell (100) inside the receiving port (301) is opened a threaded mouth (302).

5. The assembled fresh air duct for indoor ventilation according to claim 1, characterized in that: In the center of the end face of the first connection disk (300) close to the connecting shell (100) is fixed a first connection cylinder (304). One end of the first connection cylinder (304) close to the connecting shell (100) is fixed with a corrugated pipe (305). One end of the corrugated pipe (305) close to the connecting shell (100) is fixed with a second connection cylinder (3), and the end of the second connection cylinder (306) away from the corrugated pipe (305) is fixed to one side of the connecting shell (100) close to the first connection disk (300).

6. The assembled fresh air duct for indoor ventilation according to claim 1, characterized in that: On the periphery of the second connection disk (400) is fixed a sealing sleeve (403). The outer side of the sealing ring (401) is fixed to the inner wall of the sealing sleeve (403). On the end faces of the first connection disk (300) and the second connection disk (400) corresponding in position are arranged mounting holes (402) in a circular array.

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