Air guide volute for central air conditioner

Abstract

The utility model relates to the technical field of air guide volutes, in particular to an air guide volute for a central air conditioner. The air guide volute for the central air conditioner comprises a motor, a connecting plate, a wind wheel, screws, a first spring and a wedge-shaped block, the connecting plate is fixedly connected to an output shaft of the motor, the wind wheel is detachably arranged on the connecting plate, the screws are arranged on the wind wheel in a threaded mode, the screws are all screwed into the connecting plate, and the wedge-shaped block is arranged on the connecting plate. A plurality of wedge-shaped blocks are arranged on the connecting plate in a sliding mode, the wedge-shaped blocks are all connected with the wind wheel in a clamped mode, and first springs are connected between the wedge-shaped blocks and the connecting plate. The lower air guide volute is pulled downwards, at the moment, the lower air guide volute extrudes the multiple clamping balls to move backwards and break away from the clamping state of the lower air guide volute, the lower air guide volute continues to be pulled downwards, and the lower air guide volute is disassembled, so that the wind wheel can be completely exposed while the disassembling difficulty is reduced, and then follow-up maintenance or cleaning is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air guide scroll, especially to an air guide scroll for central air conditioner. BACKGROUND

[0002] The air guide scroll is an important component in the central air conditioning system, usually installed near the fan or compressor. Its main role is to guide the airflow to the target area in a more efficient and more uniform way, reduce airflow turbulence and noise, and at the same time improve the refrigeration or heating efficiency of the air conditioning system.

[0003] The patent with the authorization disclosure number CN213238603U discloses an air guide scroll for central air conditioner, which comprises a mounting frame and a snap ring. The rear surface of the mounting frame is provided with mounting bolts. The front surface of the mounting frame is provided with a scroll bottom plate through a bearing buckle. The front surface of the scroll bottom plate is provided with a motor mounting plate at the middle position. The front surface of the scroll bottom plate is provided with magnetic buckles on both sides. The front surface of the scroll bottom plate is provided with a scroll main body through a scroll mounting plate. The scroll main body is provided with fixed keys on both sides. The front surface of the scroll main body is provided with an air inlet at the center position. The scroll main body is provided with an air outlet pipe at the output end. The air outlet pipe is provided with a cooling water pipe near the end position. The cooling water pipe is provided with a heat conduction plate at the top end. The heat conduction plate is provided with a heat sink at the top end. The air outlet pipe is provided with an air outlet cover at the end. Although the above-mentioned patent can temporarily fix the scroll main body by attracting the fixed keys with the magnetic buckles, it is convenient to fix the scroll main body on the front surface of the scroll bottom plate. However, when cleaning or repairing the air guide scroll and impeller, tools are still needed to disassemble the scroll mounting plate and fixed keys, which increases the complexity of disassembly and may cause damage to some parts. In addition, due to the limitation of the structure design, even if the disassembly is completed, the impeller cannot be completely exposed, which brings inconvenience to cleaning and repair work.

[0004] Therefore, there is a need for an air guide scroll for central air conditioner that is easy to disassemble. SUMMARY

[0005] In order to overcome the shortcomings of the existing patent that still needs tools to disassemble the scroll mounting plate and fixed keys when cleaning or repairing the air guide scroll and impeller, which increases the complexity of disassembly and may cause damage to some parts, and due to the limitation of the structure design, even if the disassembly is completed, the impeller cannot be completely exposed, which brings inconvenience to cleaning and repair work, the utility model provides an air guide scroll for central air conditioner that is easy to disassemble.

[0006] The utility model discloses a technical implementation scheme for a wind guide scroll case for a central air conditioner, which comprises a motor, a connecting plate, a wind wheel, screws, first springs and wedge blocks. The output shaft of the motor is fixedly connected with the connecting plate. The wind wheel is detachably arranged on the connecting plate. The wind wheel is threadedly provided with a plurality of screws, which are screwed into the connecting plate. The connecting plate is slidably provided with a plurality of wedge blocks, which are all connected with the wind wheel. The first springs are connected between the wedge blocks and the connecting plate. The wind guide scroll case further comprises an upper wind guide scroll case, a lower wind guide scroll case, second springs, clamping balls and handles. The upper wind guide scroll case is arranged on the upper part of the wind wheel. The lower wind guide scroll case is arranged on the lower part of the wind wheel. The upper wind guide scroll case is slidably provided with a plurality of clamping balls, which are all connected with the lower wind guide scroll case. The second springs are connected between the clamping balls and the upper wind guide scroll case. The lower wind guide scroll case is fixedly connected with two handles at the bottom.

[0007] More preferably, the wind guide scroll case further comprises a filter plate, a push plate and clamping rods. The push plate is slidably arranged at the rear of the upper wind guide scroll case. The push plate is provided with the filter plate at the bottom. The filter plate is arranged in the space formed by the upper wind guide scroll case and the lower wind guide scroll case. The push plate is fixedly connected with a plurality of clamping rods at the front side. The clamping rods are all clamped into the upper wind guide scroll case.

[0008] More preferably, the wind guide scroll case further comprises soundproof cotton, stabilizing plates and clamping plates. The upper wind guide scroll case and the lower wind guide scroll case are both connected with two clamping plates at the front and rear sides. The two clamping plates that are horizontally aligned are fixedly connected with the stabilizing plates. The two stabilizing plates are both provided with the soundproof cotton.

[0009] More preferably, the wind guide scroll case further comprises a pull plate. The pull plate is fixedly connected with the stabilizing plate.

[0010] More preferably, the wind guide scroll case further comprises an anti-skid sleeve. The anti-skid sleeve is sleeved on the handle.

[0011] More preferably, the wind guide scroll case further comprises an isolation frame. The isolation frame is arranged at the outer side of the motor.

[0012] Compared with the prior art, the wind guide scroll case for the central air conditioner has the following advantages: 1. By pulling down the lower wind guide scroll case, the lower wind guide scroll case extrudes the clamping balls to move backward and disengage from the lower wind guide scroll case. By continuously pulling down the lower wind guide scroll case, the lower wind guide scroll case can be completely disassembled. This design can reduce the disassembly difficulty and completely expose the wind wheel, thereby facilitating subsequent maintenance or cleaning.

[0013] 2. The air first passes through the filter plate, which filters out the dust and other impurities carried in the air, thereby avoiding the accumulation or blockage of the dust and other impurities in the wind guide scroll case.

[0014] 3、The sound insulation cotton utilizes the porous and elastic properties of the material, can effectively consume the noise generated during the operation of the motor and the rotation of the wind wheel, thereby reducing the propagation of the noise in the space and improving the quietness of the surrounding environment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a three-dimensional structure sectional view of the motor, the wind wheel, the upper air guide scroll and other parts of the utility model;

[0017] Figure 3 It is a three-dimensional structure sectional view of the connecting plate, the wind wheel, the screw and other parts of the utility model;

[0018] Figure 4 It is a three-dimensional structure sectional view of the connecting plate, the first spring and the wedge-shaped block and other parts of the utility model;

[0019] Figure 5 It is a three-dimensional structure schematic view of the lower air guide scroll, the second spring and the ball and other parts of the utility model;

[0020] Figure 6 It is a three-dimensional structure sectional view of the filter plate, the push plate and the clamping rod and other parts of the utility model;

[0021] Figure 7 It is a three-dimensional structure sectional view of the sound insulation cotton, the stabilizing plate and the clamping plate and other parts of the utility model.

[0022] The marks of various parts in the drawings are as follows: 1, motor, 2, connecting plate, 3, wind wheel, 4, screw, 5, first spring, 6, wedge-shaped block, 7, upper air guide scroll, 8, lower air guide scroll, 9, second spring, 10, ball, 11, handle, 12, filter plate, 13, push plate, 14, clamping rod, 15, sound insulation cotton, 16, stabilizing plate, 17, clamping plate, 18, pull plate, 19, anti-skid sleeve, 20, isolation frame. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment 1: a wind guide scroll for a central air conditioner, please refer to Figures 1-7, including motor 1, connecting plate 2, wind wheel 3, screw 4, first spring 5 and wedge block 6, the output shaft of motor 1 is fixedly connected with connecting plate 2, wind wheel 3 is detachably arranged on connecting plate 2, three screws 4 are threadedly arranged on wind wheel 3, three screws 4 are screwed into connecting plate 2, three wedge blocks 6 are slidably arranged on connecting plate 2, three wedge blocks 6 are clamped with wind wheel 3, first spring 5 is connected between wedge block 6 and connecting plate 2, upper guide vane scroll 7 is placed on the upper part of wind wheel 3, lower guide vane scroll 8 is placed on the lower part of wind wheel 3, three clamping balls 10 are slidably arranged on upper guide vane scroll 7, three clamping balls 10 are clamped with lower guide vane scroll 8, second spring 9 is connected between clamping ball 10 and upper guide vane scroll 7, two handles 11 are fixedly connected at the bottom of lower guide vane scroll 8, handles 11 increase the contact point between hands and lower guide vane scroll 8, so as to facilitate the carrying and installation of lower guide vane scroll 8, anti-skid sleeve 19 is sleeved on handle 11, anti-skid sleeve 19 is used to increase friction, so as to avoid hands from slipping when carrying and installing lower guide vane scroll 8, isolation frame 20 is arranged outside motor 1, isolation frame 20 is used to protect motor 1 from the influence of external environment.

[0025] When the air guide scroll is needed, first, motor 1, upper guide vane scroll 7 and lower guide vane scroll 8 are fixed in the central air conditioner, when the central air conditioner is used, the output shaft of motor 1 drives connecting plate 2 to rotate, and then drives wind wheel 3 to rotate, air is sucked into the central air conditioner, the air guide scroll rectifies the inhaled airflow through its unique geometric shape, optimizes the airflow path, reduces turbulence and resistance, so as to avoid energy loss caused by airflow turbulence, and then improves the overall efficiency of the air conditioning system, when the air guide scroll and wind wheel 3 need to be repaired or cleaned, handle 11 can be held and lower guide vane scroll 8 is pulled down, at this time, lower guide vane scroll 8 extrudes multiple clamping balls 10 to move backward and separate from the clamping state with lower guide vane scroll 8, lower guide vane scroll 8 is continuously pulled down to be disassembled, this design can reduce the difficulty of disassembly, and also can completely expose wind wheel 3, so as to facilitate subsequent repair or cleaning, after repair or cleaning is completed, lower guide vane scroll 8 is moved to the lower part of wind wheel 3 again, and is ensured to be aligned with upper guide vane scroll 7, then, lower guide vane scroll 8 is pushed up, in the process of pushing, lower guide vane scroll 8 extrudes multiple clamping balls 10 to move backward and compresses second spring 9, when lower guide vane scroll 8 is in close contact with upper guide vane scroll 7, lower guide vane scroll 8 no longer extrudes clamping ball 10, second spring 9 restores to its original state and pushes clamping ball 10 to move forward, so that clamping ball 10 is clamped with lower guide vane scroll 8, and then lower guide vane scroll 8 is spliced with upper guide vane scroll 7.

[0026] Example 2: on the basis of example 1, please refer to Figure 1 and Figure 6The push plate 13 is slidably arranged behind the upper air guide scroll 7, and the bottom of the push plate 13 is provided with a filter plate 12, which is located in the space formed by the upper air guide scroll 7 and the lower air guide scroll 8. The front side of the push plate 13 is fixedly connected with a plurality of clamping rods 14, and the clamping rods 14 are clamped into the upper air guide scroll 7.

[0027] When the air is sucked into the central air conditioner by the rotation of the wind wheel 3, the air first passes through the filter plate 12, which filters out the dust and other impurities carried in the air, thereby avoiding the accumulation or blockage of the dust and other impurities in the air guide scroll.

[0028] Please refer to Figure 7 The upper air guide scroll 7 and the lower air guide scroll 8 are both clamped with two clamping plates 17 on the front and back sides, and the two clamping plates 17 are fixedly connected with a stabilizing plate 16 in transverse alignment, and the two stabilizing plates 16 are provided with soundproof cotton 15, and the stabilizing plate 16 is fixedly connected with a pull plate 18, which facilitates the disassembly and installation of the soundproof cotton 15.

[0029] When the central air conditioner is used, the soundproof cotton 15 can effectively consume the noise generated by the operation of the motor 1 and the rotation of the wind wheel 3 by utilizing the porous and elastic properties of the material, thereby reducing the propagation of noise in the space and improving the quietness of the surrounding environment.

[0030] The above has carried on the detailed introduction to the present application, and the principle and implementation mode of the present application are described by applying specific examples in this paper. The above example is only used to help understand the method and its core idea of the present application; at the same time, for the general technical personnel in the art, according to the idea of the present application, the specific implementation mode and application range will be changed; according to the above, the content of the specification should not be understood as the limitation of the present application.

Claims

1. A guide vane scroll for central air conditioner, comprising a motor, a connecting plate, a wind wheel, screws, first springs and wedge blocks, the output shaft of the motor is fixedly connected with the connecting plate, the wind wheel is detachably arranged on the connecting plate, a plurality of screws are threadedly arranged on the wind wheel, the plurality of screws are screwed into the connecting plate, a plurality of wedge blocks are slidably arranged on the connecting plate, the plurality of wedge blocks are all clamped with the wind wheel, and the first springs are connected between the wedge blocks and the connecting plate, characterized in that, The fan wheel upper part is provided with the upper air guide scroll, the fan wheel lower part is provided with the lower air guide scroll, the upper air guide scroll is slidably provided with a plurality of clamping balls, the plurality of clamping balls are clamped with the lower air guide scroll, the second spring is connected between the clamping ball and the upper air guide scroll, and the lower air guide scroll bottom is fixedly connected with two handles.

2. The air guide scroll for a central air conditioner according to claim 1, wherein The upper air guide scroll rear is slidably provided with the push plate, the push plate bottom is provided with the filter plate, the filter plate is located in the space formed by the upper air guide scroll and the lower air guide scroll, the push plate front side is fixedly connected with a plurality of clamping rods, and the plurality of clamping rods are clamped into the upper air guide scroll.

3. The air guide scroll for a central air conditioner according to claim 2, wherein The upper air guide scroll and the lower air guide scroll front and rear sides are clamped with two clamping plates, the two clamping plates are horizontally aligned and are fixedly connected with the stabilizing plate, and the two stabilizing plates are provided with the sound insulation cotton.

4. The air guide scroll for a central air conditioner according to claim 3, wherein The stabilizing plate is fixedly connected with the pull plate.

5. The air guide scroll for a central air conditioner according to claim 4, wherein The handle is sleeved with the anti-skid sleeve.

6. A guide vane scroll for a central air conditioner as defined in claim 5, wherein The motor outer side is provided with the isolation frame.

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