Matched connection assembly of pipeline fan

Abstract

The utility model relates to the field of pipeline fans, and discloses a matched connection assembly of a pipeline fan, the matched connection assembly comprises a fan main body, the side surface of the fan main body is fixedly connected with a fan pipeline, the fan pipeline is connected to the inner wall of a connecting ring in a clamped mode, and the inner wall of the connecting ring is fixedly connected with sealing rubber. The fan pipeline is tightly attached to the side surface of the sealing rubber, the inner wall of the connecting ring is connected with a ventilation pipeline in a clamped mode, and the ventilation pipeline is tightly attached to the side surface, opposite to the fan pipeline, of the sealing rubber; according to the quick connection device, quick connection of the ventilation pipeline and the fan pipeline can be achieved without a complex installation tool, the installation efficiency is improved, certain pressure is formed on the two sides of the sealing rubber by the fan pipeline and the ventilation pipeline during connection, then the sealing rubber generates reverse pressure under the reset effect of the reset spring and the effect of the damping rod, and the sealing rubber is prevented from being damaged. Therefore, the sealing performance of connection between the fan pipeline and the ventilation pipeline can be guaranteed, and gas leakage is effectively prevented.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of duct fan, especially to a matching connection assembly of duct fan. BACKGROUND

[0002] The duct fan refers to the selection of control parameters such as air volume, total pressure, efficiency, noise, motor power, etc., also known as duct fan, according to the physical and chemical properties of the transported gas, select different purpose of fan;

[0003] In the field of ventilation system, the connection of duct fan and ventilation duct is an important technical link, at present, the commonly used connection methods on the market are flange connection, screw connection, etc., but there are still some defects in actual use, the installation process is not simple enough, and it is difficult to ensure high sealing performance, which affects the stable operation of the system;

[0004] For the above related technologies, the inventors believe that the matching connection assembly of the duct fan has the defects of difficult to realize quick connection and difficult to ensure the sealing performance of the connection;

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, therefore, it can include prior art known by those skilled in the art. CONTENT OF THE UTILITY MODEL

[0006] In order to solve the problem that the matching connection assembly of the duct fan is difficult to realize quick connection and difficult to ensure the sealing performance of the connection, the present application provides a matching connection assembly of duct fan.

[0007] The matching connection assembly of duct fan provided by the present application adopts the following technical scheme:

[0008] A matching connection assembly of duct fan, comprising a fan body, the side surface of the fan body is fixedly connected with a fan duct, the fan duct is clamped and connected to the inner wall of a connecting ring, the inner wall of the connecting ring is fixedly connected with a sealing rubber, and the fan duct is tightly attached to the side surface of the sealing rubber, the inner wall of the connecting ring is clamped and connected with a ventilation duct, and the ventilation duct is tightly attached to the side surface of the sealing rubber opposite to the fan duct.

[0009] Preferably, the two side surfaces of the connecting ring are provided with two positioning grooves, the outer surfaces of the ventilation duct and the fan duct are fixedly connected with two positioning blocks, and the positioning blocks slide relative to the inner wall of the positioning grooves.

[0010] Preferably, two grooves are arranged on the outer surface of the ventilation pipe and the fan pipe, two limiting grooves are arranged on the two side surfaces of the connecting ring, the inner wall of the limiting groove is elastically and slidably connected with a limiting block through a spring, and the limiting block can be clamped on the inner wall of the groove.

[0011] Preferably, the inner wall of the sealing rubber is provided with a plurality of mounting grooves.

[0012] Preferably, a damping rod and a return spring are fixedly connected in the mounting groove, and the damping rod is located in the return spring.

[0013] In summary, the application has the following beneficial technical effects:

[0014] 1. The fan pipe and the ventilation pipe are quickly connected through the connecting ring, so that the fan pipe and the ventilation pipe can be quickly connected without complex installation tools, greatly simplifying the installation process; compared with the prior art, the effect of quick connection can be achieved.

[0015] 2. When connected, the fan pipe and the ventilation pipe form a certain pressure on the two sides of the sealing rubber, and then the sealing rubber generates a reverse pressure under the reset action of the return spring and the action of the damping rod, so as to ensure the sealing property of the connection between the fan pipe and the ventilation pipe, thereby effectively preventing gas leakage and improving the operation efficiency of the system; compared with the prior art, the effect of effectively improving the sealing property of the connection can be achieved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the overall schematic view of the application embodiment;

[0017] Figure 2 is the cross-sectional structure view of the application embodiment;

[0018] Figure 3 is Figure 2 the enlarged schematic view of A;

[0019] Figure 4 is Figure 2 the enlarged schematic view of B.

[0020] MARKED DESCRIPTION: 1, fan body; 2, fan pipe; 3, connecting ring; 4, sealing rubber; 5, ventilation pipe; 6, positioning groove; 7, positioning block; 8, groove; 9, limiting groove; 10, limiting block; 11, mounting groove; 12, damping rod; 13, return spring. DETAILED DESCRIPTION

[0021] The following will be described in detail in combination with the accompanying Figures 1-4 The application will be further described in detail.

[0022] The embodiment of the application discloses a matching connection assembly of a pipeline fan. Figure 1 and Figure 2 The matching connection assembly of the pipeline fan comprises a fan body 1, a tubular fan pipeline 2 fixedly connected to the side surface of the fan body 1, so that the flowing gas generated by the fan body 1 is conveyed outward from the fan body 1, the fan pipeline 2 is clamped and connected to the inner wall of a ring-shaped connecting ring 3, a ring-shaped sealing rubber 4 is fixedly connected to the inner wall of the connecting ring 3, the fan pipeline 2 is tightly attached to the side surface of the sealing rubber 4, a tubular ventilation pipeline 5 is clamped and connected to the inner wall of the connecting ring 3, and the ventilation pipeline 5 is tightly attached to the side surface of the sealing rubber 4 opposite to the fan pipeline 2, so that the fan pipeline 2 and the ventilation pipeline 5 are quickly connected through the connecting ring 3, the wind generated by the fan body 1 flows from the fan pipeline 2 to the ventilation pipeline 5, and then flows to a designated position through the ventilation pipeline 5, the clamping and connecting of the fan pipeline 2 and the ventilation pipeline 5 to the inner wall of the connecting ring 3 enables the quick connection of the ventilation pipeline 5 and the fan pipeline 2 without complex installation tools, greatly simplifying the installation process, and the fan pipeline 2 and the ventilation pipeline 5 form a certain pressure on both sides of the sealing rubber 4 and are tightly attached to both sides of the sealing rubber 4 during connection, so that the fan pipeline 2 and the ventilation pipeline 5 are tightly attached, thereby effectively preventing gas leakage and improving the operation efficiency of the system.

[0023] Referring to Figure 3 Two square slot-shaped positioning grooves 6 are formed in the two side surfaces of the connecting ring 3, two block-shaped positioning blocks 7 are fixedly connected to the outer surfaces of the ventilation pipeline 5 and the fan pipeline 2, and the positioning blocks 7 slide against the inner walls of the positioning grooves 6, so that the positioning blocks 7 slide against the inner walls of the positioning grooves 6 during connection, thereby guiding and positioning the connection, and the accuracy of subsequent clamping and connection is ensured.

[0024] Referring to Figure 4 Two arc-shaped grooves 8 are formed in the outer surfaces of the ventilation pipeline 5 and the fan pipeline 2, two slot-shaped limiting grooves 9 are formed in the two side surfaces of the connecting ring 3, block-shaped limiting blocks 10 are elastically and slidably connected to the inner walls of the limiting grooves 9 through springs, and the limiting blocks 10 can be clamped in the inner walls of the grooves 8, so that the limiting blocks 10 are shrunk in the inner walls of the limiting grooves 9 by pressing before connection, then the ventilation pipeline 5 is slid along the inner wall of the connecting ring 3, at this time, the spring is in a compressed state, then when the ventilation pipeline 5 is slid to tightly attach to the sealing rubber 4, the limiting blocks 10 will rebound and be clamped in the inner walls of the grooves 8 due to the disappearance of external force, so that the ventilation pipeline 5 is stably fixed to the inner wall of the connecting ring 3, thereby realizing the quick connection of the connecting ring 3 and the ventilation pipeline 5;

[0025] Secondly, the inner wall of the sealing rubber 4 is provided with a plurality of groove-shaped installation grooves 11, the damping rod 12 and the return spring 13 are fixedly connected in the installation grooves 11, and the damping rod 12 is located in the return spring 13, so that when the fan pipeline 2 and the ventilation pipeline 5 are connected and the fan pipeline 2 and the ventilation pipeline 5 extrude the sealing rubber 4, the sealing rubber 4 can generate reverse pressure under the return action of the return spring 13 and the action of the damping rod 12, so as to ensure the sealing property of the connection between the fan pipeline 2 and the ventilation pipeline 5.

[0026] The implementation principle of the cooperation connection assembly of the pipeline fan according to the embodiment of the application is as follows: the limiting block 10 is pressed to be shrunk in the inner wall of the limiting groove 9, then the connecting ring 3 is slid along the outer surface of the fan pipeline 2, and the positioning block 7 is correspondingly slid in the inner wall of the positioning groove 6, so as to guide and position the connection, at this time, the spring is in a compressed state, then when the fan pipeline 2 is slid to be close to the sealing rubber 4, the limiting block 10 will rebound and be clamped in the inner wall of the recess 8 due to the disappearance of the external force, so as to stably fix the connecting ring 3 on the end of the outer surface of the fan pipeline 2, thereby realizing the quick connection of the fan pipeline 2 and the connecting ring 3, then the limiting block 10 is pressed to be shrunk in the inner wall of the limiting groove 9, then the ventilation pipeline 5 is slid along the inner wall of the connecting ring 3, at this time, the spring is in a compressed state, then when the ventilation pipeline 5 is slid to be close to the sealing rubber 4, the limiting block 10 will rebound and be clamped in the inner wall of the recess 8 due to the disappearance of the external force, so as to stably fix the ventilation pipeline 5 on the inner wall of the connecting ring 3, thereby realizing the quick connection of the connecting ring 3 and the ventilation pipeline 5, so that the fan pipeline 2 and the ventilation pipeline 5 are quickly connected through the connecting ring 3, the air generated by the fan main body 1 is ensured to flow from the fan pipeline 2 to the ventilation pipeline 5, and then flow to the specified position through the ventilation pipeline 5, and due to the formation of certain pressure on the two sides of the sealing rubber 4 when the connection is performed, the sealing rubber 4 generates reverse pressure under the return action of the return spring 13 and the action of the damping rod 12, so as to ensure the sealing property of the connection between the fan pipeline 2 and the ventilation pipeline 5, thereby effectively preventing gas leakage and improving the operation efficiency of the system.

[0027] Finally, the following points should be explained: first, in the description of the application, it should be explained that unless otherwise specified and limited, the terms “installation”, “connection” and “connection” should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication between the two elements, or direct connection, “up”, “down”, “left”, “right” and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0028] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure with the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0029] Finally: the above only for the preferred embodiment of the utility model has, and is not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

[0030] The above are the preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the scope of protection of the present application.

Claims

1. A mating connection assembly for a ducted fan, comprising a fan body (1), characterised in that: The side surface of the fan body (1) is fixedly connected with a fan pipeline (2), the fan pipeline (2) is clamped and connected to the inner wall of a connecting ring (3), the inner wall of the connecting ring (3) is fixedly connected with sealing rubber (4), the fan pipeline (2) is in close contact with the side surface of the sealing rubber (4), the inner wall of the connecting ring (3) is clamped and connected with a ventilation pipeline (5), and the ventilation pipeline (5) is in close contact with the side surface of the sealing rubber (4) opposite to the fan pipeline (2).

2. A mating connection assembly for a duct fan as defined in claim 1, wherein: Both sides of the connecting ring (3) are provided with two positioning grooves (6), the outer surfaces of the ventilation pipeline (5) and the fan pipeline (2) are both fixedly connected with two positioning blocks (7), and the positioning blocks (7) slide relative to the inner walls of the positioning grooves (6).

3. A mating connection assembly for a duct fan as defined in claim 1, wherein: The outer surfaces of the ventilation pipeline (5) and the fan pipeline (2) are both provided with two grooves (8), both sides of the connecting ring (3) are provided with two limiting grooves (9), the inner walls of the limiting grooves (9) are elastically and slidably connected with limiting blocks (10) through springs, and the limiting blocks (10) can be clamped to the inner walls of the grooves (8).

4. A mating connection assembly for a duct fan as defined in claim 1, wherein: The inner wall of the sealing rubber (4) is provided with a plurality of mounting grooves (11).

5. A mating connection assembly for a duct fan as defined in claim 4, wherein: The inner part of the mounting groove (11) is fixedly connected with a damping rod (12) and a return spring (13), and the damping rod (12) is located in the inner part of the return spring (13).

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