CN202350213U - Dustproof device of air-conditioner outdoor unit - Google Patents

Abstract

The utility model discloses a dust-proof device for an outdoor unit of an air conditioner, which includes a first bracket, a second bracket, a main shaft, a dust-proof cloth, a pull rod and a driving motor, the first bracket and the second bracket are arranged in parallel, and the main shaft Pivotably erected between the first bracket and the second bracket, one end of the dust-proof cloth is fixed to the main shaft, the other end of the dust-proof cloth is fixed to the pull rod, and the dust-proof device It also includes a drive gear and a guide support, the drive motor and the pull rod are respectively fixed on the guide support, the drive gear is driven by the drive motor, and the position of the drive gear relative to the drive motor is fixed, and the guide support The seat can slide along the second bracket, and the second bracket is longitudinally provided with a rack, and the driving gear is meshed with the rack. The dust-proof device of the outdoor unit of the air conditioner disclosed by the utility model uses a driving motor to directly drive the pull rod to move, so that the dust-proof cloth can be rolled up or unfolded freely.

Description

Dustproof device for air conditioner outdoor unit

technical field

The utility model relates to the field of air conditioners, in particular to a dustproof device for an outdoor unit of an air conditioner.

Background technique

With the popularization of air conditioners, the cleaning problem of air conditioner outdoor units has been puzzling people. Existing air-conditioning outdoor units generally use grille-type shells for effective heat exchange, resulting in the dust in the use environment being easily deposited on the heat-exchanging device in the shell, which will reduce the cooling and heating capabilities of the air-conditioning. Increased energy consumption may even cause the compressor to stop frequently, affecting the service life of the air conditioner. At the same time, since the outdoor unit of the air conditioner is generally hung on the outer wall, it is relatively difficult to touch. Therefore, it is necessary for professionals to use special tools to clean the outdoor unit. Cleaning is carried out regularly, which increases the economic burden on the user. In view of the above problems, the outdoor unit of the air conditioner is required to have a dustproof function.

Therefore, there have been various dust-proof devices of roller shutter or louver type air conditioner outdoor units in the prior art. For example, the Chinese utility model patent 200520010047.2 published on October 4, 2006 discloses a dust-proof device for the outdoor side of an air conditioner. The dust-proof device includes a support plate on which a main rolling shaft is installed. One end of the main scrolling shaft is connected with a motor, one end of the curtain is installed on the main scrolling shaft, and the secondary scrolling shaft is installed at the other end of the curtain. When in use, rely on the rotation of the motor to drive the main rolling shaft to release the curtain, and use the gravity of the curtain itself to hang down, so as to realize the dustproof function. But once this dust-proof device is blocked by foreign matter, relying solely on the gravity of the screen itself cannot realize the action of hanging down, which will affect the use of the dust-proof device. It is necessary to design a dust-proof device that can be freely retracted and used for the outdoor unit of the air conditioner.

Utility model content

The problem solved by the utility model is to provide a dust-proof device for the outdoor unit of the air conditioner which can be retracted freely.

In order to solve the above problems, the utility model discloses a dust-proof device for an outdoor unit of an air conditioner, which includes a first bracket, a second bracket, a main shaft, a dust-proof cloth, a pull rod and a driving motor, and the first bracket and the second bracket are parallel to each other. It is provided that the main shaft is pivotally mounted between the first bracket and the second bracket, one end of the dust-proof cloth is fixed to the main shaft, and the other end of the dust-proof cloth is fixed to the pull rod, The dust-proof device also includes a drive gear and a guide support, the drive motor and the pull rod are respectively fixed on the guide support, the drive gear is driven by the drive motor, and the position of the drive gear relative to the drive motor is fixed , the guide support can slide along the second bracket, a rack is longitudinally arranged on the second bracket, and the driving gear is meshed with the rack.

Preferably, the cross section of the second bracket is U-shaped, the left and right sides respectively form side walls, and the side walls are longitudinally provided with convex ribs.

Preferably, the guide support is surrounded by a plurality of side walls, and at least two of the side walls are parallel to each other, and guide grooves are longitudinally provided on the two parallel side walls, and the guide grooves and The ribs cooperate.

Preferably, the first bracket is provided with a longitudinal first guide groove, and one end of the pull rod can slide up and down in the first guide groove.

Preferably, the second bracket is provided with a longitudinal second guide slot, and the other end of the pull rod can pass through the second guide slot and slide up and down in the second guide slot.

Preferably, the free end of the main shaft close to the second bracket is provided with a clockwork spring piece, the clockwork spring piece is accommodated in the cavity of the second bracket, and one end of the clockwork spring piece abuts against the inner wall of the cavity.

Preferably, a position photoelectric sensor is provided on the first support, beside the lowest point in the state where the pull rod is suspended and/or the highest point in the state where the pull rod is rolled up.

Preferably, a position photoelectric sensor is provided on the second support, beside the lowest point of the pull rod in a suspended state and/or the highest point of the pull rod in a rolled up state.

Preferably, the guide support is provided with a hole for installing the pull rod, and the movement of the guide support drives the pull rod to move.

Compared with the prior art, the utility model has the following advantages: the driving motor is used to directly drive the pull rod to move, so that the dustproof cloth can be rolled up or unfolded freely. It solves the problem in the prior art that the driving motor only drives the rotation of the main shaft, and the dustproof cloth hangs down by its own weight, and once foreign matter is blocked, it will hinder the rolling up or hanging down of the dustproof cloth.

Description of drawings

Fig. 1 is a three-dimensional exploded view of a dustproof device in a preferred embodiment of the present invention;

Fig. 2 is a schematic diagram of the three-dimensional structure of the main shaft and the dustproof cloth in the preferred embodiment of the utility model;

Fig. 3 is a schematic diagram of the three-dimensional structure of the first bracket in the preferred embodiment of the present invention;

Fig. 4 is a schematic diagram of the three-dimensional structure of the second bracket in the preferred embodiment of the present invention;

Fig. 5 is a schematic diagram of the three-dimensional structure of the guide support in the preferred embodiment of the present invention;

Fig. 6 is a schematic diagram of the three-dimensional structure of the dustproof device in a preferred embodiment of the present invention;

Fig. 7 is the right side view of the second bracket in the preferred embodiment of the utility model;

Fig. 8 is a partially enlarged view of A in Fig. 7 .

Among them: 1. Dustproof cloth; 2. Main shaft; 3. Clockwork spring piece; 4. Pull rod; 6. First bracket; 61. First guide groove; 7. Driving gear; 8. Guide support; 81. Guide Slot; 82, hole; 9, drive motor; 13, second bracket; 131, rack; 132, side wall; 133, convex rib; 134, cavity; 135, second guide groove; 51, position photoelectric sensor.

Detailed ways

The technical solution in the embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1 to 6, the utility model discloses a dust-proof device for the outdoor unit of the air conditioner, which is installed between the grille and the heat exchange device of the outdoor unit of the air conditioner, and is used to prevent dust when the air conditioner is not in use. Enter the heat exchange device from the grille, so as to avoid affecting the use of the air conditioner. Specifically, the dust-proof device disclosed in the utility model includes a first bracket 6, a second bracket 13, a main shaft 2, a dust-proof cloth 1, a pull rod 4 and a drive motor 9, and the first bracket 6 and the second bracket 13 are arranged around and It is fixed on the bottom plate of the outdoor unit of the air conditioner, and the main shaft 2 is pivotally mounted between the first bracket 6 and the second bracket 13 . The dustproof cloth 1 is rectangular, one end of which is fixed to the main shaft 2 , and the other end is fixed to the pull rod 4 . In a preferred embodiment of the present utility model, the dustproof device also includes a drive gear 7, a guide support 8, a drive motor 9, and a pull rod 4 are respectively fixed on the guide support 8, and the drive gear 7 is driven by the drive motor 9, and the drive gear 7 The position relative to the driving motor 9 is fixed, and the guide support 8 can slide longitudinally along the second bracket 13 . The second bracket 13 is longitudinally provided with a rack 131 , and the driving gear 7 meshes with the rack 131 . So arranged, when the driving motor 9 drives the driving gear 7 to rotate counterclockwise, the driving gear 7 moves downward along the rack 131, and at the same time, since the driving gear 7 is fixed in position relative to the driving motor 9, the driving motor 9 also moves along with the driving gear. 7 moves downward, and further, since the drive motor 9 is fixed on the guide support 8, and the pull rod 4 is fixed on the guide support 8, the guide support 8 drives the pull rod 4 to move downward, and finally the anti- The dust cloth 1 hangs down to cover the heat exchange device and avoid the entry of external dust. In the preferred embodiment of the present utility model, since the pull rod 4 is directly driven down by the drive motor 9, the pull rod 4 will not move down due to the influence of foreign matter blockage, which is different from the current technology where the motor only drives the main shaft, and the pull rod and the curtain pass through it. It sags under its own weight and is easily blocked by foreign objects.

Specifically, referring to FIG. 4 , the cross section of the second support 13 is U-shaped, and the left and right sides respectively form sidewalls 132 , and the sidewalls 132 are longitudinally provided with convex ribs 133 .

Please refer to Fig. 5, the guide support 8 is surrounded by a plurality of side walls, and wherein at least two side walls are parallel to each other, and guide grooves 81 are longitudinally arranged on the two parallel side walls, and the guide grooves 81 and The protruding ribs 133 cooperate. In this way, the guide support 8 can be inserted into the U-shaped groove of the second bracket 13 and freely slide up and down along the guide groove 81 .

Referring to FIG. 3 , the first bracket 6 is provided with a longitudinal first guide groove 61 , and one end of the pull rod 4 can slide up and down in the first guide groove 61 . Such setting can limit the position of the tie rod 4 to prevent it from moving randomly, for example, the pull rod 4 is inserted into the grille of the air conditioner outdoor unit due to the influence of a stroke in the external environment, which affects the use.

Referring to FIG. 4 , the second bracket 13 is provided with a longitudinal second guide slot 135 , and the other end of the pull rod 4 can pass through the second guide slot 135 and slide up and down in the second guide slot 135 . The function of the second guide groove 135 is the same as that of the first guide groove 61 on the first bracket 6 , and is used to limit the position of the pull rod 4 . Please refer to FIG. 7 and FIG. 8 at the same time. The guide support 8 is provided with a hole 82 for installing the pull rod 4. When one end of the pull rod 4 is inserted into the hole 82, the guide support 8 drives the pull rod 4 to move.

Please refer to Fig. 2, the main shaft 2 is provided with a clockwork spring 3 near the free end of the second bracket 13, please refer to Fig. 8, the clockwork spring 3 is accommodated in the cavity 134 of the second bracket 13, and the clockwork spring 3 against the inner wall of the cavity 134. In this way, due to the pre-tightening force of the clockwork spring 3, the dustproof cloth 1 is always rolled up while the drive motor 9 is not activated.

Please refer to FIG. 1 and FIG. 7 , on the first support 6 , a position photoelectric sensor 51 is arranged on the side of the lowest point when the pull rod 4 is in the drooping state and/or the highest point in the rolled up state of the pull rod 4 . In this way, when the pull rod 4 droops to the lowest limit position, the position photoelectric sensor 51 is triggered, and the position photoelectric sensor 51 sends a signal to the drive motor 9, and the drive motor 9 stops; when the pull rod 4 rises to the highest limit position, the position photoelectric sensor 51 is triggered, The position photoelectric sensor 51 sends a signal to the drive motor 9, and the drive motor 9 stops acting.

Similarly, the position photoelectric sensor 51 can also be arranged on the second bracket 13, which can play the same role. Specifically, the position photoelectric sensor 51 is arranged on the second support 13 , beside the lowest point when the pull rod 4 is suspended and/or the highest point when the pull rod 4 is rolled up.

During installation, first insert the guide support 8 from the vacancy at the bottom of the second support 13, insert the rib 133 of the second support 13 into the guide groove 81 of the guide support 8, and then install the drive motor 9 and the drive gear 7 to the guide support 8 respectively. On the guide support 8, put the spring leaf on the end of the main shaft 2 and the second bracket 13 and fix it between the first bracket 6 and the second bracket 13, and pass a free end of the pull rod 4 through the second bracket 13. The second guide groove 135 of the bracket 13 is inserted into the upper hole 82 of the guide support 8, thereby realizing the position limitation of the pull rod 4. At the same time, the pull rod 4 can move with the movement of the guide support 8, and the other end of the pull rod 4 is inserted into the first support. In the first guide groove 61 of 6, the assembled dustproof device is finally installed between the grille of the outdoor unit of the air conditioner and the heat exchange device.

When in use, when the air conditioner is not in use, the drive motor 9 starts and overcomes the pre-tightening force of the clockwork spring leaf 3, driving the drive gear 7 to rotate counterclockwise, and the drive gear 7 rolls down along the rack 131. 9 and the drive gear 7 are respectively fixed on the guide support 8, therefore, along with the downward movement of the drive gear 7, the driving motor 9 is driven to move down, and the guide support 8 moves down along the convex rib 133 of the second bracket 13, because A free end of the pull rod 4 is inserted in the hole 82 of the guide support 8, and the guide support 8 drives the pull rod 4 to move down, so that the dustproof cloth 1 is unfolded to prevent dust. When the pull rod 4 reaches its lowest limit position, the pull rod 4 triggers the position photoelectric sensor 51, and the position photoelectric sensor 51 controls the drive motor 9 to stop running.

When the air conditioner starts, the driving motor 9 drives the driving gear 7 to rotate clockwise, thereby driving the pull rod 4 to move upwards. At this time, the main shaft 2 rotates clockwise under the action of the clockwork spring leaf 3, thereby rolling up the dustproof cloth 1. When the pull rod 4 reaches the highest limit position, the pull rod 4 triggers the position photoelectric sensor 51, and the position photoelectric sensor 51 controls the drive motor 9 to stop running. At this time, the guide support 8 can overcome the self-weight to prevent sliding under the reaction torque of the drive motor 9, so that the dustproof cloth 1 is always in the curled state and does not affect the normal use of the air conditioner.

The dust-proof device of the outdoor unit of the air conditioner disclosed by the utility model adopts the driving motor 9 to directly drive the pull rod 4 to rise or fall, so that the dust-proof cloth 1 can be rolled up or unfolded freely. It solves the problem in the prior art that the driving motor only drives the rotation of the main shaft, and the dustproof cloth hangs down by its own weight, and once foreign matter is blocked, it will hinder the rolling up or hanging down of the dustproof cloth. The dust-proof device of the outdoor unit of the air conditioner disclosed by the utility model can cover the heat exchange device when the air conditioner is not in use, so as to avoid the attachment of dust or foreign matter in the air, thereby preventing the gap between the fins of the heat exchange device from being blocked , to avoid the decline of heat exchange efficiency and to avoid affecting the performance of the whole machine; when the air conditioner is turned on, the "roller-type" dustproof cloth is slowly pulled up, and then the outdoor unit starts to work normally like a traditional air conditioner outdoor unit, without affecting any performance. Compared with the traditional outdoor unit, the dust-proof device of the outdoor unit of the air conditioner disclosed by the utility model maximizes the protection of the heat exchange device and the cleanliness of the interior of the outdoor unit when the air conditioner is not in use, eliminating the trouble of manual cleaning, and It is more humanized and has a sense of technology, which embodies the "people-oriented" design concept.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A dustproof device for an air conditioner outdoor unit, comprising a first support (6), a second support (13), a main shaft (2), a dustproof cloth (1), a pull rod (4) and a drive motor (9), The first bracket (6) and the second bracket (13) are arranged in parallel, and the main shaft (2) is pivotally mounted between the first bracket (6) and the second bracket (13), the One end of the dust-proof cloth (1) is fixed to the main shaft (2), and the other end of the dust-proof cloth (1) is fixed to the pull rod (4). It is characterized in that: the dust-proof device also includes a driving gear (7), guide support (8), described drive motor (9), pull rod (4) are respectively fixed on described guide support (8), and described drive gear (7) is driven by described drive motor (9) drive, and the position of the drive gear (7) relative to the drive motor (9) is fixed, the guide support (8) can slide along the second bracket (13), on the second bracket (13) A rack (131) is arranged longitudinally, and the driving gear (7) is meshed with the rack (131). 2. The dustproof device for an outdoor unit of an air conditioner according to claim 1, characterized in that: the cross section of the second support (13) is U-shaped, and the left and right sides respectively form side walls (132), and the side walls (132) is longitudinally provided with convex ribs (133). 3. The dust-proof device for an outdoor unit of an air conditioner according to claim 2, characterized in that: the guide support (8) is surrounded by a plurality of side walls, and at least two of the side walls are parallel to each other, Guide grooves (81) are arranged longitudinally on the two mutually parallel side walls, and the guide grooves (81) cooperate with the convex ribs (133). 4. The dust-proof device for the outdoor unit of the air conditioner according to claim 1, characterized in that: the first bracket (6) is provided with a longitudinal first guide groove (61), and one end of the tie rod (4) Can slide up and down in the first guide groove (61). 5. The dust-proof device of the outdoor unit of the air conditioner according to claim 4, characterized in that: the second bracket (13) is provided with a second longitudinal guide groove (135), and the other part of the tie rod (4) One end can pass through the second guide groove (135) and slide up and down in the second guide groove (135). 6. The dust-proof device for an outdoor unit of an air conditioner according to claim 1, characterized in that: the free end of the main shaft (2) close to the second bracket (13) is provided with a clockwork spring piece (3), so The clockwork spring piece (3) is accommodated in the cavity (134) of the second bracket (13), and one end of the clockwork spring piece (3) is against the inner wall of the cavity (134). 7. The dust-proof device of an outdoor unit of an air conditioner according to claim 1 or 4, characterized in that: the lowest point on the first support (6) when the tie rod (4) hangs down and/or the tie rod (4) A position photoelectric sensor (51) is arranged on the side of the highest point position in the rolled-up state. 8. The dust-proof device of an outdoor unit of an air conditioner according to claim 1, 2 or 5, characterized in that: the lowest point and/or Or a position photoelectric sensor (51) is arranged on the side of the highest point position of the pull rod (4) in the rolled-up state. 9. The dust-proof device for an outdoor unit of an air conditioner according to claim 1, characterized in that: the guide support (8) is provided with a hole (82) for installing the tie rod (4), and the guide support (8) ) movement drives the pull bar (4) to move.

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