Assembled composite air pipe

Abstract

The utility model relates to the technical field of heating and ventilation equipment, and discloses an assembled composite air pipe which comprises a flow dividing pipe, the end portion of the flow dividing pipe is connected with a control mechanism used for adjustment through a bolt, and the end portion of the flow dividing pipe is connected with a connecting pipe used for connection and fixation through a bolt. A guide pipe used for drainage is inserted into the inner wall of the connecting pipe, the outer surface of the guide pipe is sleeved with a heat preservation layer used for heat insulation, main baffles used for connection and fixation are clamped to the two sides of the outer surface of the heat preservation layer, and an auxiliary baffle used for auxiliary protection is clamped to the portion, located between the main baffles, of the outer surface of the heat preservation layer. According to the assembled composite air pipe, through the arrangement of the control mechanism, the device can adjust the air conveying direction, meanwhile, by means of a baffle in the control mechanism, the air flow speed can be adjusted after the device rotates to a proper angle, and after the baffle is completely closed, airflow can be blocked, and the effect of controlling the flow speed can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of HVAC equipment, in particular to an assembled composite air duct. Background Art

[0002] Ducts are piping systems used for air delivery and distribution. There are two types: composite ducts and inorganic ducts. Composite ducts are represented by Durkduct ducts. They can be classified according to cross-sectional shape and material. Duct production: Stainless steel duct production is to apply sealant to the bite seams, rivet seams, flange corners and other gaps. Surface dust and oil should be removed before applying sealant. Ducts can be divided into circular ducts, rectangular ducts, oblate ducts and other types according to cross-sectional shape. Among them, circular ducts have the smallest resistance but the largest height and are complex to make, so rectangular ducts are mainly used. Ducts can be divided into metal ducts, composite ducts and polymer ducts according to material.

[0003] Abbreviated as magnesium oxychloride ventilation duct, it can also be called modified inorganic fiberglass ventilation duct. It is a new generation of environmentally friendly and energy-saving air duct that replaces iron air duct and glass fiber air duct. No matter in the production, manufacturing, installation, or in the process of factory decoration and use, it does not produce substances harmful to the environment, does not rust, mold, or accumulate dust, does not have the dust and fiber of glass fiber air duct, has no odor, low thermal conductivity, and excellent thermal insulation performance; it has good sound insulation and sound absorption performance, and there is no noise generated by the contraction and expansion of iron air duct. It has the characteristics of non-flammability, anti-bending, pressure resistance, fast construction, low cost, etc., and its service life is up to 20 years.

[0004] The extruded insulated air duct series products are suitable for the installation of air conditioning and ventilation projects in industries and various buildings. They are widely used in food processing, machinery manufacturing, pharmaceutical products, electronics industry, shopping centers, cotton textiles, sports and entertainment cultural venues, hotels, guesthouses, supermarkets, office buildings, government agencies, small villas, family residences, aerospace manufacturing and other fields.

[0005] Chinese patent announcement number CN216845076U discloses an assembled air duct for air conditioning, which relates to the field of HVAC equipment, and comprises a plurality of composite insulation boards used as pipe walls, and a flange connector for positioning the composite insulation boards; the composite insulation boards and the flange connector are connected and fixed by screws, the composite insulation boards are a composite of three or more layers, namely, an internal pipe layer, an insulation layer and an external protective layer; the flange connector comprises a wide-side inner groove and a narrow-side inner groove, the depth of the wide-side inner groove is equal to the depth of the narrow-side inner groove, the bottom plane of the wide-side inner groove is parallel to the inner side wall of the short-side inner groove, and mounting flanges are provided at both ends of the flange connector, the wide-side inner groove and the inserted composite insulation board are fixed in both directions by short screws, the narrow-side inner groove and the inserted composite insulation board are fixed by long screws, and the end of the long screw passes through the bottom surface of the wide-side inner groove. The utility model has the beneficial technical effects of good quality consistency, good labor saving and economy, and short on-site construction period.

[0006] However, the utility model has the following problems when actually used:

[0007] The device has many gaps as a whole, so gas leakage is prone to occur during the gas transportation process of the air duct. In addition, it is not convenient to control the flow rate and direction of the gas during the gas transportation process, so the overall practicality is not high. Utility Model Content

[0008] 1. Technical issues to be resolved

[0009] In order to overcome the above-mentioned defects of the prior art, the utility model provides an assembled composite air duct, which solves the problems in the prior art: the device as a whole has many gaps, and gas leakage is prone to occur during the gas transportation process of the air duct, and it is not convenient to control the flow rate and flow direction of the gas during the gas transportation process, and thus the overall practicality is not high.

[0010] (II) Technical solution

[0011] To achieve the above objectives, the utility model is implemented through the following technical solutions: an assembled composite air duct, including a diverter pipe, the end of the diverter pipe is connected to a control mechanism for adjustment by bolts, the end of the diverter pipe is connected to a connecting pipe for connection and fixation by bolts, the inner wall of the connecting pipe is plugged with a conduit for drainage, the outer surface of the conduit is sleeved with an insulation layer for heat insulation, main baffles for connection and fixation are clamped on both sides of the outer surface of the insulation layer, and auxiliary baffles for auxiliary protection are clamped on the outer surface of the insulation layer between the main baffles.

[0012] Optionally, the control mechanism includes a guide tube, a positioning seat and a baffle, the end of the guide tube is connected to the end of the diversion tube by bolts, a plurality of the positioning seats are installed and fixed on the outer surface of the guide tube, and the baffle is rotatably connected to the inner wall of the guide tube.

[0013] Optionally, one end of the baffle passing through the guide tube is sleeved with a synchronous pulley for driving, and the outer surface of the synchronous pulley is wrapped with a synchronous belt for transmitting power.

[0014] Optionally, a protective shell for protection is fixedly connected to the outer surface of the guide tube, a motor for driving is fixedly installed on the outer surface of the protective shell, and an output end of the motor is connected to one end of the baffle through a key.

[0015] Optionally, the end of the main baffle is opened in a slot for auxiliary positioning, and the end of the auxiliary baffle is fixedly connected with a block adapted to the slot.

[0016] Optionally, a rivet for connection and fixation is inserted into the outer surface of the main baffle, and one end of the rivet passes through the main baffle and is inserted into the outer wall of the auxiliary baffle.

[0017] Optionally, a fixing bolt for connection and fixation is threadedly penetrated through the outer surface of the connecting pipe, a fixing hole adapted for the fixing bolt is opened on the outer surface of the conduit, and one end of the fixing bolt passes through the connecting pipe and is threadedly connected to the inner wall of the fixing hole.

[0018] Optionally, one end of the connecting pipe is connected to a three-way pipe for diversion through bolts, and the other end of the connecting pipe is connected to a bent pipe for steering through bolts.

[0019] (III) Beneficial effects

[0020] The utility model provides an assembled composite air duct, which has the following beneficial effects:

[0021] 1. The assembled composite air duct can adjust the direction of gas delivery through the setting of the control mechanism. At the same time, the gas flow rate can be adjusted by rotating the baffle inside the control mechanism to a suitable angle. However, when the baffle is completely closed, the airflow can be blocked, thereby achieving the effect of controlling the flow rate.

[0022] 2. The assembled composite air duct, through the coordinated setting of the duct and the thermal insulation layer, can wrap the duct with the help of the thermal insulation layer, and can also block the temperature, thereby reducing the change in the temperature of the conveyed gas. Through the coordinated setting of the main baffle and the auxiliary baffle, the duct and the thermal insulation layer can be directly wrapped, thereby improving the external protection capability of the device. In the event of collision damage, the main baffle and the auxiliary baffle can be replaced separately, thereby further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the explosion structure of the shunt pipe of the utility model;

[0025] Figure 3 This is a schematic diagram of the control mechanism structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the explosion structure of the conduit of the utility model;

[0027] Figure 5 This is a schematic diagram of the baffle installation structure of the utility model.

[0028] In the figure: 1. shunt pipe; 2. guide pipe; 3. positioning seat; 4. baffle; 5. synchronous pulley; 6. synchronous belt; 7. protective shell; 8. motor; 9. connecting pipe; 10. conduit; 11. insulation layer; 12. main baffle; 13. auxiliary baffle; 14. rivet; 15. tee pipe; 16. elbow; 17. fixing bolt; 18. fixing hole. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figures 1 to 5 The utility model provides a technical solution: an assembled composite air duct, which can divert the transported gas through the arrangement of the diverter pipe 1, so that the device can be adapted to different needs. Through the coordinated arrangement of the three-way pipe 15 and the elbow 16, it can be installed and fixed according to the needs and direction of gas transport, and can conveniently divert the gas, so that the multi-angle and multi-position delivery of air can be realized according to the needs.

[0031] See also Figure 2 , Figure 3 and Figure 5 Through the setting of the control mechanism, it can be directly installed at the position where diversion is required, so that it is more convenient for the staff to adjust and control the gas delivery direction. Through the setting of the guide tube 2, it can be directly installed and fixed to transport the gas. Through the setting of the positioning seat 3, the baffle 4 can be installed and fixed, and then the angle of the baffle 4 can be changed to change the flow rate of the gas, which is convenient for adjustment according to different usage requirements;

[0032] See also Figure 3 and Figure 5 , through the coordinated setting of the synchronous pulley 5 and the synchronous belt 6, when the synchronous belt 6 is driven to rotate, the other two synchronous pulleys 5 can be driven to rotate synchronously, and the setting of the protective shell 7 can drive the synchronous pulley 5 to rotate with the help of the drive of the motor 8, thereby making it more convenient for the staff to rotate the baffle 4;

[0033] See also Figure 2 and Figure 4 By setting the connecting pipe 9, the conduit 10 can be installed and fixed, and the bolt 17 can be used to ensure the connection stability between the connecting pipe 9 and the conduit 10, and the setting of the thermal insulation layer 11 can directly wrap the surface of the conduit 10, which can reduce the surface of the conveying gas temperature, thereby improving the practicality of the device, and by the matching setting of the main baffle 12 and the auxiliary baffle 13, the thermal insulation layer 11 can be pressed and fixed, thereby ensuring the overall connection stability, and when damaged, the main baffle 12 and the auxiliary baffle 13 can be replaced separately, thereby improving the overall practicality of the device;

[0034] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0035] In the utility model, the working steps of the device are as follows:

[0036] First, install and fix the guide pipe 2 at the end of the shunt pipe 1, and then splice and install the conduit 10, the tee pipe 15 and the elbow 16 as needed, so that the device is distributed at the position where gas needs to be transported. The staff can start the motor 8, which can drive the synchronous pulley 5 and the synchronous belt 6 at the same time, thereby changing the angle of the baffle 4, or directly closing it, and adjusting the direction of air delivery as needed. If the main baffle 12 and the auxiliary baffle 13 are damaged, the main baffle 12 and the auxiliary baffle 13 can be replaced separately.

[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembled composite air duct, comprising a diverter pipe (1), characterized in that: The end of the shunt pipe (1) is connected to a control mechanism for adjustment via bolts, the end of the shunt pipe (1) is connected to a connecting pipe (9) for connection and fixing via bolts, the inner wall of the connecting pipe (9) is plugged with a conduit (10) for drainage, the outer surface of the conduit (10) is sleeved with a heat-insulating layer (11) for heat insulation, main baffles (12) for connection and fixing are clamped on both sides of the outer surface of the heat-insulating layer (11), and a secondary baffle (13) for auxiliary protection is clamped on the outer surface of the heat-insulating layer (11) between the main baffles (12).

2. The assembled composite air duct according to claim 1, characterized in that: The control mechanism comprises a flow guide tube (2), a positioning seat (3) and a baffle (4); the end of the flow guide tube (2) is connected to the end of the flow distribution tube (1) by means of bolts; a plurality of the positioning seats (3) are mounted and fixed on the outer surface of the flow guide tube (2); and the baffle (4) is rotatably connected to the inner wall of the flow guide tube (2).

3. The assembled composite air duct according to claim 2, characterized in that: One end of the baffle (4) passing through the guide tube (2) is sleeved with a synchronous belt pulley (5) for driving, and the outer surface of the synchronous belt pulley (5) is wound with a synchronous belt (6) for transmitting power.

4. The assembled composite air duct according to claim 2, characterized in that: A protective shell (7) for protection is fixedly connected to the outer surface of the flow guide tube (2), a motor (8) for driving is fixedly mounted on the outer surface of the protective shell (7), and an output end of the motor (8) is connected to one end of the baffle (4) via a key.

5. The assembled composite air duct according to claim 1, characterized in that: The end of the main baffle (12) is provided with a slot for auxiliary positioning, and the end of the auxiliary baffle (13) is fixedly connected with a block adapted to the slot.

6. The assembled composite air duct according to claim 5, characterized in that: A rivet (14) for connection and fixing is inserted into the outer surface of the main baffle (12); one end of the rivet (14) passes through the main baffle (12) and is inserted into the outer wall of the auxiliary baffle (13).

7. The assembled composite air duct according to claim 1, characterized in that: The outer surface of the connecting pipe (9) is threadedly provided with a fixing bolt (17) for connection and fixing, and the outer surface of the conduit (10) is provided with a fixing hole (18) adapted to the fixing bolt (17), and one end of the fixing bolt (17) protrudes from the connecting pipe (9) and is threadedly connected to the inner wall of the fixing hole (18).

8. The assembled composite air duct according to claim 1, characterized in that: One end of the connecting pipe (9) is connected to a three-way pipe (15) for flow diversion via bolts, and the other end of the connecting pipe (9) is connected to a bent pipe (16) for diversion via bolts.

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