Shell and fan mounting structure on fan heater

By designing the structure of the first volute, second volute, impeller, motor and other components on the fan, and using multiple sets of connecting components and installation components to prevent airflow from flowing back, the noise problem caused by airflow disorder in the fan shell is solved, and the smooth flow of airflow is achieved.

CN223190646UActive Publication Date: 2025-08-05CHONGQING YUXIN AUTOMOBILE AIR CONDITIONING CO LTD
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Patent Information

Application Number
CN202422078307.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-08-05
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

The existing fan shell only has an arc-shaped barrier rib at the fan's impeller, resulting in chaotic airflow, poor circulation, and a large amount of noise.

Method used

The structural design is adopted that includes a first volute, a second volute, an impeller, a motor, an installation plate, a first barrier rib, a second barrier rib, a multi-group installation assembly and a multi-group connection assembly. The first volute and the second volute are connected through the connection assembly and the installation assembly, and the impeller is driven to rotate through the motor, and the first barrier rib and the second barrier rib are used to prevent airflow from flowing back to ensure smooth airflow.

Benefits of technology

It effectively solves the problem of airflow disorder, reduces the generation of noise, and achieves smooth flow of airflow.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of warm air blowers, in particular to a shell and fan mounting structure on a warm air blower, which comprises a first volute, a second volute, an impeller, a motor, a mounting plate, a first retaining rib, a second retaining rib, a plurality of groups of mounting components and a plurality of groups of connecting components. The first retaining rib and the second retaining rib are arranged in the first volute, the diameter of the first retaining rib is larger than that of the second retaining rib, the motor is fixedly connected with the mounting plate, the output end of the motor is fixedly connected with the impeller, the mounting assemblies are arranged on one side of the second volute, and the connecting assemblies are arranged on the outer side of the second volute. Airflow backflow can be prevented, the airflow is smooth, and therefore noise is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of air heaters, in particular to a shell and a fan installation structure on an air heater. Background Art

[0002] A car heater is a device that provides heating for passengers in the car to meet their needs in low-temperature environments. The heater is an important part of the car's air-conditioning system. The heater consists of a fan and a shell and is usually installed in the car's passenger compartment.

[0003] However, the existing heater housing is only provided with one arc-shaped retaining rib at the impeller of the fan, which causes turbulent airflow and poor circulation, thereby generating a lot of noise. Utility Model Content

[0004] The purpose of the utility model is to provide a shell and fan installation structure on a heater, aiming to solve the technical problem in the prior art that the heater shell is only provided with a single arc-shaped rib at the impeller of the fan, resulting in turbulent airflow and poor circulation, thereby generating a lot of noise.

[0005] To achieve the above-mentioned purpose, the utility model adopts a shell and fan mounting structure on a heater, including a first volute, a second volute, an impeller, a motor, a mounting plate, a first rib, a second rib, multiple groups of mounting components and multiple groups of connecting components. The first volute and the second volute fit together, the first rib and the second rib are both arranged inside the first volute, the diameter of the first rib is larger than the diameter of the second rib, the motor is fixedly connected to the mounting plate, and the output end of the motor is fixedly connected to the impeller. Multiple groups of the mounting components are all arranged on one side of the second volute, and multiple groups of the connecting components are all arranged on the outside of the second volute.

[0006] Wherein, each group of the connecting components includes a connecting block, a first positioning pin and a fixed seat, the fixed seat is fixedly connected to the first volute, the connecting block is fixedly connected to the second volute, one end of the first positioning pin is fixedly connected to the connecting block, and the other end of the first positioning pin is inserted into the fixed seat.

[0007] Wherein, each group of the mounting components includes a mounting seat and a second positioning pin, the mounting seat is fixedly connected to the second volute, one end of the second positioning pin is fixedly connected to the second volute, and the other end of the second positioning pin passes through the mounting plate.

[0008] Among them, the shell and fan mounting structure on the heater also include a card plate, the first volute has a card slot adapted to the card plate, one end of the card plate is fixedly connected to the second volute, and the other end of the card plate is inserted into the card slot.

[0009] The housing and fan installation structure on the heater further include an air inlet pipe, which is fixedly connected to the first volute and located on one side of the first volute.

[0010] The utility model provides a shell and fan mounting structure on a heater. When used, the first volute and the second volute are connected by multiple groups of the connecting components, and then the mounting plate and the second volute are fixed by multiple groups of the mounting components, so that the impeller is installed inside the first volute and the second volute. The impeller is driven to rotate by the output end of the motor, so that negative pressure is generated inside the first volute and the second volute, thereby sucking air in. The first baffle rib and the second baffle rib can prevent the air flow from flowing back, making the air flow smooth and reducing the generation of noise. This method can effectively solve the problem in the prior art that the heater shell only has one arc-shaped baffle rib at the impeller of the fan, which causes turbulent airflow and poor circulation, thereby generating a lot of noise. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0012] Figure 1 It is a structural diagram of the present utility model.

[0013] Figure 2 It is a schematic diagram of the first volute of the present invention.

[0014] Figure 3 It is a partial structural diagram of the utility model.

[0015] Figure 4 It is a partial structural diagram of the utility model.

[0016] 101-first volute, 102-slot, 103-second volute, 104-impeller, 105-motor, 106-mounting plate, 107-first baffle, 108-second baffle, 109-connecting block, 110-first positioning pin, 111-fixing seat, 112-mounting seat, 113-second positioning pin, 114-plate, 115-air inlet pipe. DETAILED DESCRIPTION

[0017] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0018] See also Figures 1 to 4 ,in Figure 1 It is a structural diagram of the utility model. Figure 2 This is a schematic diagram of the first volute of the present invention. Figure 3 This is a partial structural diagram of the utility model. Figure 4 It is a partial structural diagram of the utility model.

[0019] The present invention provides a shell and fan installation structure on a heater, including a first volute 101, a second volute 103, an impeller 104, a motor 105, a mounting plate 106, a first retaining rib 107, a second retaining rib 108, multiple groups of mounting components and multiple groups of connecting components. The first volute 101 and the second volute 103 fit together, the first retaining rib 107 and the second retaining rib 108 are both arranged inside the first volute 101, the diameter of the first retaining rib 107 is larger than the diameter of the second retaining rib 108, the motor 105 is fixedly connected to the mounting plate 106, and the output end of the motor 105 is fixedly connected to the impeller 104. Multiple groups of the mounting components are all arranged on one side of the second volute 103, and multiple groups of the connecting components are all arranged on the outside of the second volute 103.

[0020] In this embodiment, the first volute 101 and the second volute 103 are connected by multiple groups of the connecting components, and then the mounting plate 106 is fixed to the second volute 103 by multiple groups of the mounting components, so that the impeller 104 is installed inside the first volute 101 and the second volute 103. The impeller 104 is driven to rotate by the output end of the motor 105, so that negative pressure is generated inside the first volute 101 and the second volute 103, thereby sucking air in. The first baffle 107 and the second baffle 108 can prevent the airflow from flowing back, making the airflow smooth and reducing the generation of noise.

[0021] Furthermore, each group of the connecting components includes a connecting block 109, a first positioning pin 110 and a fixing seat 111, the fixing seat 111 is fixedly connected to the first volute 101, the connecting block 109 is fixedly connected to the second volute 103, one end of the first positioning pin 110 is fixedly connected to the connecting block 109, and the other end of the first positioning pin 110 is inserted into the fixing seat 111.

[0022] In this embodiment, the first volute 101 and the second volute 103 are fitted together, and the first positioning pin 110 is inserted into the fixing seat 111, and then the connecting block 109 and the fixing seat 111 are connected using bolts, thereby connecting the first volute 101 and the second volute 103.

[0023] Furthermore, each group of the mounting components includes a mounting seat 112 and a second positioning pin 113, the mounting seat 112 is fixedly connected to the second volute 103, one end of the second positioning pin 113 is fixedly connected to the second volute 103, and the other end of the second positioning pin 113 passes through the mounting plate 106.

[0024] In this embodiment, the impeller 104 is inserted into the interior of the second volute 103, and the second positioning pin 113 passes through the mounting plate 106, and then the mounting plate 106 is connected to the mounting seat 112 using bolts to fix the mounting plate 106 to the second volute 103.

[0025] Furthermore, the shell and fan mounting structure on the heater also includes a card plate 114, the first volute 101 has a card slot 102 adapted to the card plate 114, one end of the card plate 114 is fixedly connected to the second volute 103, and the other end of the card plate 114 is inserted into the card slot 102.

[0026] In this embodiment, the clamping plate 114 is inserted into the clamping slot 102 , thereby improving the sealing performance between the first volute 101 and the second volute 103 .

[0027] Furthermore, the housing and fan installation structure on the heater further includes an air inlet pipe 115 , which is fixedly connected to the first volute 101 and is located on one side of the first volute 101 .

[0028] In this embodiment, the air inlet pipe 115 facilitates air to enter the first volute 101 and the second volute 103 .

[0029] The beneficial effects of the present invention are as follows: the first volute 101 and the second volute 103 are fitted together, and the first positioning pin 110 is inserted into the fixing seat 111, and then the connecting block 109 and the fixing seat 111 are connected by bolts, thereby connecting the first volute 101 and the second volute 103, and then the impeller 104 is inserted into the interior of the second volute 103, and the second positioning pin 113 passes through the mounting plate 106, and then the mounting plate 106 is connected to the mounting seat 112 by bolts, thereby connecting the mounting plate 106 to the second volute 103. The impeller 104 is fixed so as to be installed inside the first volute 101 and the second volute 103, and the impeller 104 is driven to rotate by the output end of the motor 105, so that negative pressure is generated inside the first volute 101 and the second volute 103, thereby sucking air in. The first baffle 107 and the second baffle 108 can prevent the air flow from flowing back, so that the air flow is smooth and the noise is reduced. This method can effectively solve the problem in the prior art that the heater housing is only provided with one arc-shaped baffle at the impeller of the fan, which causes turbulent air flow and poor circulation, thereby generating a lot of noise.

[0030] 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 in accordance with the claims of the present invention are still within the scope of the utility model.

Claims

1. A housing and fan installation structure on a heater, characterized in that: It includes a first volute, a second volute, an impeller, a motor, a mounting plate, a first rib, a second rib, multiple groups of mounting components and multiple groups of connecting components. The first volute and the second volute are fitted to each other, the first rib and the second rib are both arranged inside the first volute, the diameter of the first rib is larger than the diameter of the second rib, the motor is fixedly connected to the mounting plate, and the output end of the motor is fixedly connected to the impeller. Multiple groups of the mounting components are all arranged on one side of the second volute, and multiple groups of the connecting components are all arranged on the outside of the second volute.

2. The housing and fan installation structure on the heater according to claim 1, characterized in that: Each group of the connecting components includes a connecting block, a first positioning pin and a fixing seat, the fixing seat is fixedly connected to the first volute, the connecting block is fixedly connected to the second volute, one end of the first positioning pin is fixedly connected to the connecting block, and the other end of the first positioning pin is inserted into the fixing seat.

3. The housing and fan installation structure of the heater according to claim 2, characterized in that: Each group of the mounting components includes a mounting seat and a second positioning pin, the mounting seat is fixedly connected to the second volute, one end of the second positioning pin is fixedly connected to the second volute, and the other end of the second positioning pin passes through the mounting plate.

4. The housing and fan installation structure of the heater according to claim 3, characterized in that: The shell and fan mounting structure on the heater also include a card plate, the first volute has a card slot adapted to the card plate, one end of the card plate is fixedly connected to the second volute, and the other end of the card plate is inserted into the card slot.

5. The housing and fan installation structure of the heater according to claim 4, characterized in that: The housing and fan mounting structure on the heater further include an air inlet pipe, which is fixedly connected to the first volute and located on one side of the first volute.