Air blowing reversing device of central air conditioner

Abstract

The utility model discloses a blowing reversing device of a central air conditioner, belongs to the technical field of central air conditioners, and mainly solves the technical problems that a large amount of dust and impurities are accumulated on an air deflector in the device in the prior art, the air deflector and a rotating shaft are of a fixed structure, the uncleaned air deflector is difficult to disassemble and assemble quickly, and the cleaning efficiency is high. The reversing device solves the problems that in the prior art, a polluted air guide plate cannot be cleaned in time, dust and impurities can be scattered into a room along with air flow, and the air quality is affected in the prior art, the reversing device comprises a mounting shell, two partition plates are fixedly connected into the mounting shell, and two rotating shafts are arranged in the mounting shell through bearings; a plurality of air guide plates are movably arranged in the mounting shell, two symmetrical connecting seats are fixedly connected to the back surfaces of the air guide plates, fixed sleeves are arranged on the connecting seats, movable columns are slidably mounted in the fixed sleeves, positioning rods are fixedly connected to the ends, away from each other, of the two movable columns, and inserting grooves are formed in the two rotating shafts.

Description

TECHNICAL FIELD

[0001] The utility model relates to central air conditioning technical field more particularly, especially, relate to a central air conditioning blowing reversing device. BACKGROUND

[0002] Central air conditioning system is composed of one or more cold and heat source systems and multiple air conditioning systems, adopts the principle of liquid vaporization refrigeration to provide the required cold quantity for the air conditioning system to offset the heat load of indoor environment, and the heating system provides the required heat quantity for the air conditioning system to offset the cold load of indoor environment, and the air deflector of central air conditioning is an air guide component installed at the air outlet of the air conditioner, which changes the air flow direction of the air outlet of the central air conditioner by the air deflector.

[0003] But the reversing device in the prior art is various, such as the utility model patent CN222317247U relates to a central air conditioning blowing reversing device, the utility model discloses a central air conditioner main body, the inside of central air conditioner main body is opened and is equipped with the ventilation, the inside fixedly connected with the mounting plate of ventilation, the inside fixedly connected with the motor of central air conditioner main body, the output shaft outside fixedly connected with the first air deflector of the rotation of ventilation, the outside fixedly connected with the first rotation shaft of the rotation of the first air deflector in the mounting plate, the outside fixedly connected with the first gear of the first rotation shaft, the inside fixedly connected with the partition plate of mounting plate, the inside rotationally connected with the second rotation shaft of partition plate, the outside fixedly connected with the second gear of second rotation shaft and first gear intermeshing. The central air conditioning blowing reversing device has the advantages of guiding cold and hot air in different directions and accelerating the diffusion rate of cold and hot air.

[0004] Although the blowing reversing device can guide cold and hot air in different directions to accelerate the diffusion rate of cold and hot air, the air deflector in the device will accumulate a large amount of dust and impurities after long-term use, and the air deflector and the rotating shaft are fixedly connected, so it is difficult to quickly disassemble the uncleaned air deflector, thus it is not conducive to cleaning the contaminated air deflector in time, and the dust and impurities will be dispersed into the room with the air flow, affecting the air quality. In order to avoid this phenomenon, it is necessary to design a central air conditioning blowing reversing device. SUMMARY

[0005] This part aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In order to achieve the above object, the utility model provides a central air conditioning blowing reversing device, achieves the following specific technical means:

[0007] A central air conditioning blowing reversing device, including the inside fixed connection of two partition boards of installation shell, two groups of rotating shafts are provided in the installation shell through the bearing, and the two groups of rotating shafts are symmetrically distributed, a plurality of air deflectors are movably arranged in the inside of the installation shell, the back of the air deflector is fixedly connected with two symmetrical connecting seats, the connecting seat is provided with a fixed sleeve, the inside of the fixed sleeve is slidably installed with a movable column, the end of the two movable columns away from each other is fixedly connected with a positioning rod, the two groups of rotating shafts are all provided with a slot, and the positioning rod can be inserted into the inside of the slot.

[0008] Preferably, the inside of the fixed sleeve is provided with a reset spring, one end of the reset spring is fixedly connected with the movable column, the reset spring is in a compressed state, the reset spring can compress the movable column to make the end of the positioning rod into the slot, and the movable column is fixedly connected with a connecting button piece.

[0009] Preferably, each group of rotating shafts includes two symmetrically distributed ones, two groups of rotating shafts are all provided with two symmetrical limiting grooves, and the two limiting grooves are all communicated with the slot.

[0010] Preferably, the surface of the positioning rod is provided with two convex strips, and the two convex strips are symmetrically distributed, and the convex strip is matched with the limiting groove.

[0011] Preferably, the two groups of rotating shafts are fixedly connected with connecting shafts, and the connecting shafts are located between the two partition boards, the surfaces of the two connecting shafts are coaxially provided with sprockets, and the surfaces of the two sprockets are sleeved with a chain.

[0012] Preferably, one end of one of the rotating shafts is fixedly connected with a transmission shaft, the surface of the transmission shaft is coaxially provided with a driven gear, the inside of the installation shell is fixedly connected with a supporting plate, and the driven gear is located on the side of the supporting plate away from the air deflector; the front of the installation shell is detachably provided with a protective cover.

[0013] Preferably, the inside wall of the side of the installation shell close to the driven gear is provided with a rotating motor, the output end of the rotating motor is sleeved with a driving gear through a shaft, and the driving gear is meshed with the driven gear.

[0014] Due to the use of the above technical scheme, the utility model has the following advantages compared with the prior art:

[0015] The utility model discloses a rotating shaft, air deflector, movable column, positioning rod and slot are set up, thereby conveniently the air deflector of not clean is disassembled and assembled quickly, is favorable to the air deflector of pollution to clean clean in time, avoids dust to scatter to the room with air flow, guarantees the air quality in the room. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of this application, are intended to provide further understanding of the present application and are incorporated herein in their entirety. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute improper limitations on the present application. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 It is a schematic diagram of the sectional structure of the present application;

[0019] Figure 3 It is a schematic diagram of the structure of A;

[0020] Figure 4 It is a schematic diagram of the structure of the positioning rod and the slot;

[0021] Figure 5 It is a schematic diagram of the structure of the chain wheel and the chain.

[0022] Figure 6 It is a schematic diagram of the structure of the driving gear and the driven gear.

[0023] In the drawings: 1, mounting shell; 2, partition plate; 3, rotating shaft; 4, air deflector; 5, connecting seat; 6, fixed sleeve; 7, movable column; 8, positioning rod; 9, slot; 10, limiting groove; 11, convex strip; 12, return spring; 13, connecting button piece; 14, connecting shaft; 15, chain wheel; 16, chain; 17, transmission shaft; 18, rotating motor; 19, driving gear; 20, driven gear; 21, protective cover. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0025] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a variety of ways beyond the specific embodiments described herein without departing from the scope of the present application, and those skilled in the art can make similar generalizations without departing from the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0026] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment. The present application provides the following embodiments.

[0027] As Figure 1 , Figure 2 and Figure 3 shown, it is the structure diagram of the central air conditioning blowing reversing device in the embodiment, the blowing reversing device in the embodiment includes the installation shell 1, two partition plates 2 are fixedly connected in the inside of the installation shell 1, two groups of rotating shafts 3 are provided in the installation shell 1 through bearings, and the two groups of rotating shafts 3 are symmetrically distributed, a plurality of air deflectors 4 are movably arranged in the inside of the installation shell 1, two symmetric connecting seats 5 are fixedly connected to the back of the air deflector 4, a fixed sleeve 6 is arranged on the connecting seat 5, a movable column 7 is slidably installed in the inside of the fixed sleeve 6, a positioning rod 8 is fixedly connected to the end of the movable column 7 away from each other, a slot 9 is formed on the two rotating shafts 3, the positioning rod 8 can be inserted into the inside of the slot 9, a reset spring 12 is arranged in the inside of the fixed sleeve 6, and a connecting button piece 13 is fixedly connected to the movable column 7; when a large amount of dust and impurities accumulate on the plurality of air deflectors 4, the inclined air deflector 4 is in an open state, then the connecting button piece 13 is adjusted to drive the movable column 7 to slide in the fixed sleeve 6, the end of the positioning rod 8 is withdrawn from the slot 9 and retracted into the fixed sleeve 6, the fixing effect of the positioning rod 8 is released, and the plurality of air deflectors 4 are quickly disassembled from the installation shell 1, so that the uncleaned air deflector 4 is conveniently and quickly disassembled and cleaned, the polluted air deflector 4 is cleaned in time, dust and impurities are prevented from being scattered in the room along with air flow, and the air quality in the room is ensured.

[0028] It is worth noting that, as Figure 4 shown, each group of rotating shafts 3 in the embodiment includes two symmetrically distributed ones, two symmetric limiting grooves 10 are formed on the two groups of rotating shafts 3, and the two limiting grooves 10 are in communication with the slot 9, two convex strips 11 are arranged on the surface of the positioning rod 8, and the two convex strips 11 are symmetrically distributed, and the convex strip 11 and the limiting groove 10 are matched; in the rotating process of the plurality of rotating shafts 3, in order to ensure that the air deflector 4 can rotate with the rotating shaft 3, the end of the positioning rod 8 is embedded into the inside of the slot 9, and the limiting groove 10 and the convex strip 11 are matched to limit the rotating shaft 3 and the positioning rod 8.

[0029] As Figure 5As shown in the drawings, in order to make the plurality of wind deflectors 4 deflection simultaneously, two groups of rotating shafts 3 are fixedly connected with connecting shafts 14 in the embodiment, and the connecting shafts 14 are located between the two partition plates 2, the surfaces of the two connecting shafts 14 are coaxially provided with sprockets 15, and the surfaces of the two sprockets 15 are sleeved with a chain 16; when only one of the wind deflectors 4 is provided with driving force, one of the wind deflectors 4 drives the other wind deflector 4 in the same group to deflect through the transmission between the chain 16 and the two sprockets 15, and the two groups of rotating shafts 3 are connected through the connecting shafts 14, so that one of the wind deflectors 4 drives the other wind deflector 4 to deflect, thereby making the two groups of four wind deflectors 4 complete deflection simultaneously to achieve the purpose of blowing air in the reverse direction.

[0030] As shown in the drawings, Figure 6 In order to provide driving force for the rotation of one of the wind deflectors 4, one end of one of the rotating shafts 3 is fixedly connected with a transmission shaft 17 in the embodiment, the surface of the transmission shaft 17 is coaxially provided with a driven gear 20, a support plate is fixedly connected in the installation shell 1, and the driven gear 20 is located on the side of the support plate away from the wind deflector 4; the front surface of the installation shell 1 is detachably provided with a protective cover 21, and the inner wall of the side of the installation shell 1 close to the driven gear 20 is installed with a rotary motor 18, the output end of the rotary motor 18 is sleeved with a driving gear 19 through a shaft piece, and the driving gear 19 is meshingly connected with the driven gear 20; the rotary motor 18 is controlled, the output end of the rotary motor 18 drives the driving gear 19 to rotate, the transmission shaft 17 sleeved with the driven gear 20 is driven to rotate through the transmission of the driving gear 19 and the driven gear 20, so that the connected rotating shaft 3 rotates with the transmission shaft 17, and one of the wind deflectors 4 is deflected.

[0031] It is worth noting that when the wind deflector 4 is cleaned and needs to be reassembled, the compression reset spring 12 makes the positioning rod 8 shrink into the fixed sleeve 6, then the positioning rod 8 is butted with the insertion slot 9, the reset spring 12 can compress the movable column 7 through the resilience, so that the end of the positioning rod 8 is inserted into the insertion slot 9, so as to re-install the wind deflector 4 in the installation shell 1.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A central air conditioning blowing reversing device, comprising a mounting shell (1), two partition plates (2) are fixedly connected inside the mounting shell (1), two groups of rotating shafts (3) are arranged in the mounting shell (1) through bearings, and the two groups of rotating shafts (3) are symmetrically distributed, characterized in that: The interior of the mounting shell (1) is movably provided with a plurality of air deflectors (4), the back surface of each air deflector (4) is fixedly connected with two symmetrical connecting seats (5), the connecting seats (5) are provided with fixed sleeves (6), the interior of each fixed sleeve (6) is slidably installed with an activity column (7), the distal ends of the two activity columns (7) are fixedly connected with a positioning rod (8), the two groups of rotating shafts (3) are each provided with a slot (9), and the positioning rod (8) can be inserted into the interior of the slot (9).

2. The air blowing reversing device for central air conditioner according to claim 1, characterized in that: The interior of the fixed sleeve (6) is provided with a reset spring (12), one end of the reset spring (12) is fixedly connected with the activity column (7), the reset spring (12) is in a compressed state, the reset spring (12) can compress the activity column (7) to make the end of the positioning rod (8) clamped into the slot (9); the activity column (7) is fixedly connected with a connecting button piece (13).

3. The air blowing reversing device for central air conditioner according to claim 1, characterized in that: Each group of rotating shafts (3) includes two symmetrically distributed rotating shafts (3), the two groups of rotating shafts (3) are each provided with two symmetrical limiting grooves (10), and the two limiting grooves (10) are in communication with the slot (9).

4. The air blowing reversing device for central air conditioner according to claim 1, characterized in that: The surface of the positioning rod (8) is provided with two protrusions (11), and the two protrusions (11) are symmetrically distributed, and the protrusions (11) are matched with the limiting grooves (10).

5. The air blowing reversing device for central air conditioner according to claim 1, characterized in that: The two groups of rotating shafts (3) are fixedly connected with a connecting shaft (14), and the connecting shaft (14) is located between the two partition plates (2), the surfaces of the two connecting shafts (14) are each coaxially provided with a chain wheel (15), and the surfaces of the two chain wheels (15) are sleeved with a chain (16).

6. The air blowing reversing device for central air conditioner according to claim 1, characterized in that: One end of one rotating shaft (3) is fixedly connected with a transmission shaft (17), the surface of the transmission shaft (17) is coaxially provided with a driven gear (20), the mounting shell (1) is fixedly connected with a support plate, and the driven gear (20) is located on the side of the support plate away from the air deflector (4); the front surface of the mounting shell (1) is detachably provided with a protective cover (21).

7. The air blowing reversing device of a central air conditioner according to claim 1, characterized in that: The side wall of the mounting shell (1) close to the driven gear (20) is installed with a rotating motor (18), the output end of the rotating motor (18) is sleeved with a driving gear (19) through a shaft, and the driving gear (19) is in meshing connection with the driven gear (20).

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