CN211854193U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model provides an air-conditioning indoor unit, which comprises a body; the front end of the machine body is symmetrically arranged on the first sliding door and the second sliding door, the inner sides of the first sliding door and the second sliding door are both fixed with a guide part, an arc-shaped rack is arranged in the guide part, a driving motor drives the gear to do rotary motion, the rotary motion of the gear is converted into arc motion of the rack, the rack drives the first sliding door and the second sliding door to do arc motion, the gear and the guide part are arranged in a coplanar manner in the vertical direction, so that the guide track surface of the guide part and the motion track surface of the first sliding door or the second sliding door are on the same cambered surface, the contact area between the gear and the rack is increased, in the transmission process of the gear and the rack, the abrasion between teeth is reduced, the resistance in operation is reduced, the noise is reduced, and the motion stability and the reliability of the sliding door in the moving process are improved.

Description

Indoor unit of air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner, especially, relate to an indoor unit of air conditioner.

Background

At present, the market share of cylindrical cabinet air conditioners is getting bigger and bigger, and cylindrical cabinet air conditioners are mostly provided with two sliding doors at the front end symmetry, and the sliding doors are driven to slide left and right through a gear rack structure so as to open or close an air outlet. However, in the transmission process of the gear and the rack, because sliding friction exists between the gear and the rack, resistance can be generated in the movement process, and abrasion is generated on the gear and the rack, so that the movement of the sliding door is insensitive, the moving stability is influenced, and the user experience is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the great technical problem of rack and pinion wearing and tearing of above-mentioned machine sliding door in air conditioning, provide a machine in rack and pinion transmission structural design reasonable in air conditioning.

In order to achieve the above object, the utility model discloses a technical scheme be:

an air conditioning indoor unit, characterized in that: comprises that

A body;

the first sliding door and the second sliding door are symmetrically arranged at the front end of the machine body;

the inner sides of the first sliding door and the second sliding door are respectively fixed with a guide part, an arc-shaped rack is arranged in the guide part, and the guide parts drive the first sliding door and the second sliding door to move;

the gear is meshed with the rack;

the driving motor drives the gear to do rotary motion, the rotary motion of the gear is converted into arc motion of the rack, and the rack drives the first sliding door and the second sliding door to do arc motion;

the meshed motion tracks of the meshed gears and the meshed racks are vertically overlapped with the guide part, so that the guide track surface of the guide part and the motion track surface of the first sliding door or the second sliding door are on the same arc surface, the contact area between the gears and the meshed racks is increased, the abrasion between teeth is reduced in the transmission process of the gears and the meshed racks, and the gears and the meshed racks are matched to realize the stable movement of the first sliding door and the second sliding door.

Preferably, a fixed arm is arranged on one side, close to the first sliding door or the second sliding door, of the rack, the rack is connected with the fixed arm through a connecting block, and the rack and the fixed arm are concentrically arranged.

Preferably, the inner sides of the first sliding door and the second sliding door are both provided with mounting ribs, and a plurality of downwardly extending inserting strips are uniformly arranged on the mounting ribs.

Preferably, the upper end of the fixing arm is provided with a plurality of slots corresponding to the inserting strips on the mounting ribs, and the inserting strips are in inserting fit with the slots to fix the guide part and the first sliding door or the second sliding door.

Preferably, an upper cover plate is arranged above the guide part of the first sliding door and the second sliding door at the same height, and the upper cover plate shields the rack and the gear, so that external impurities are prevented from entering and reducing the smoothness of the gear when the gear is meshed with the rack.

Preferably, the upper cover plate is slidably connected with the two racks of the guide parts at the same height, a second inserting strip extends out of the upper portion of each rack, and the second inserting strip is uniformly provided with vertical guide strips which can facilitate the disassembly of the upper cover plate along the width direction.

Preferably, the bottom end of the upper cover plate is symmetrically provided with two second slots matched with the second inserting strips, and the second inserting strips move back and forth in the second slots.

Preferably, an arc-shaped cavity is formed between two adjacent fixing arms and two adjacent racks, and a reinforcing panel is arranged in the arc-shaped cavity.

Preferably, the arc length of the second slot is greater than the arc length of the rack, and the rack can freely move in a sliding stroke when the first sliding door and the second sliding door move.

Preferably, at least one set of the guide portion, the driving motor, and the gear is provided on the first sliding door and the second sliding door.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the gear and the guide part of the utility model are arranged in a coplanar manner in the vertical direction, and the guide track surface of the guide part is arranged in a coplanar manner with the motion track surface of the sliding door, so that the contact area between the gear and the rack is increased, the abrasion between the teeth is reduced, the resistance in operation is reduced, the noise is reduced, and the motion stability and the reliability of the sliding door in the moving process are improved;

2. the utility model discloses when the setting of fixed arm had avoided sliding door and rack back direct contact, the rack received the action of gravity of sliding door and makes rack and gear engagement incomplete and increase the resistance when moving.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the whole structure of the indoor unit of the air conditioner;

fig. 2 is a schematic structural view of the inner side surfaces of the first sliding door and the second sliding door of the indoor unit of the air conditioner;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic structural view of the first sliding door and the mounting ribs of the present invention;

FIG. 5 is an enlarged view of the portion B of FIG. 4;

FIG. 6 is an exploded view of a portion of the structure of FIG. 3;

fig. 7 is a schematic structural view of the guide part and the gear of the present invention;

fig. 8 is a schematic perspective view of a rack according to an embodiment of the present invention;

FIG. 9 is a perspective view of FIG. 8 from another perspective;

fig. 10 is a schematic structural view of a position limiting member according to an embodiment of the present invention;

fig. 11 is a schematic perspective view of an upper cover plate according to an embodiment of the present invention;

FIG. 12 is a bottom view of the structure of FIG. 11;

fig. 13 is a schematic perspective view of the upper cover plate and the guide part of the embodiment of the present invention during assembly;

fig. 14 is a schematic structural view of a cavity according to an embodiment of the present invention;

fig. 15 is a schematic view of an assembly structure of a reinforced panel according to an embodiment of the present invention.

In the above figures: 10. a body; 11. a first sliding door; 12. a second sliding door; 13. a guide portion; 131. a rack; 1311. a protruding block; 1312. a second slip; 132. a limiting member; 1321. a guide groove; 1322. mounting holes; 133. a fixed arm; 1331. a slot; 134. connecting blocks; 135. a cavity; 13. a sliding assembly; 14. a gear; 15. a drive motor; 16. a reinforcement panel; 17. installing ribs; 171. cutting; 18. an upper cover plate; 181. a second slot.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For better understanding of the above technical solutions, the following detailed descriptions are provided with reference to the accompanying drawings and specific embodiments.

The air-conditioning indoor unit of the present invention, as shown in fig. 1-2, includes a body 10, and a first sliding door 11 and a second sliding door 12 symmetrically disposed at the front end of the body 10, wherein the first sliding door 11 and the second sliding door 12 do an arc-shaped reciprocating motion; the inner sides of the first sliding door 11 and the second sliding door 12 are both fixed with a guide part 13, the guide part 13 is provided with an arc-shaped rack 131, and the guide part 13 drives the first sliding door 11 and the second sliding door 12 to move; the indoor unit of the air conditioner further comprises a gear 14 meshed with the rack 131 and a driving motor 15 for driving the gear 14 to rotate, the gear 14 is driven by an output shaft of the driving motor 15 to rotate, the rotating motion of the gear 14 is converted into arc motion of the rack 131, and the rack 131 drives the first sliding door 11 and the second sliding door 12 to do arc motion, so that the indoor unit of the air conditioner is opened or closed.

The gear 14 and the guide part 13 are arranged in a coplanar manner in the vertical direction, the guide track surface of the guide part 13 and the motion track surface of the first sliding door 11 or the second sliding door 12 are on the same cambered surface, the contact area between the gear 14 and the rack 131 is increased, the abrasion between teeth is reduced in the transmission process of the gear 14 and the rack 131, the resistance in operation is reduced, the noise is reduced, the motion stability and reliability of the sliding door in the moving process are improved, and the gear 14 and the arc-shaped rack 131 are matched to realize the stable movement of the first sliding door 11 and the second sliding door 12.

As an embodiment of the present invention, as shown in fig. 6-7, the guiding portion 13 is of an up-down structure, the rack 131 is located above, and the lower portion is an arc-shaped limiting member 132, the protruding blocks 1311 are disposed at two ends of the bottom of the rack 131, the limiting member 132 is of a bilateral symmetry structure, and the top of the limiting member is provided with a guiding slot 1321 adapted to the protruding blocks 1311, as shown in fig. 10; the protruding block 1311 is disposed in the guide slot 1321 and moves along the guide slot 1321, and the protruding block 1311 and the guide slot 1321 cooperate to define a movement track and a sliding stroke of the first sliding door 11 or the second sliding door 12.

As another embodiment of the present invention, not shown in the figure, the guide portion 13 is of an up-down structure, the rack 131 is located above, the lower part is the arc-shaped limiting part 132, the guide slot 1321 is provided at both ends of the bottom of the rack 131, the protruding block 1311 is provided at the top of the limiting part 132, the protruding block 1311 is disposed in the guide slot 1321 and moves along the guide slot 1321, the protruding block 1311 and the guide slot 1321 cooperate to limit the movement track and the sliding stroke of the first sliding door 11 or the second sliding door 12, and the protruding block and the guide slot are located on the rack or the limiting part, so that the guide cooperation can be realized, thereby realizing the movement of the sliding door.

As an embodiment of the present invention, as shown in fig. 10, two mounting holes 1322 are symmetrically formed in the limiting member 132, the driving motor 15 is fixed below the mounting holes 1322, the output shaft of the driving motor 15 passes through the mounting holes 1322 to be connected to the gear 14, the gear 14 is located above the mounting holes 1322, and the driving motor 15 and the gear 14 are mounted on the limiting member 132 to avoid occupying a larger space, thereby improving the space utilization rate of the machine body 10.

Further, as shown in fig. 8 to 9, a fixing arm 133 is provided at an outer side of the rack 131, i.e., a side close to the first sliding door 11 or the second sliding door 12, the rack 131 is connected to the fixing arm 133 through a connecting block 134, the rack 131 and the fixing arm 133 are concentrically provided in an arc shape, as shown in fig. 14, an arc-shaped cavity 135 is formed between two adjacent fixing arms 133 and two adjacent racks 131; the reinforcing panel 16 is arranged in the cavity 135, as shown in fig. 15, the reinforcing panel 16 not only can prevent the sliding door from being scratched, but also can limit the guide part 13, the rack 131 drives the sliding door to move, and when the connecting block 134 moves to the reinforcing panel 16 and stops moving, the sliding door is closed.

In order to firmly mount the guide portion 13 with the first sliding door 11 or the second sliding door 12 and avoid generating tremor during movement, as shown in fig. 4-5, the inner sides of the first sliding door 11 and the second sliding door 12 are both provided with mounting ribs 17, the mounting ribs 17 are uniformly provided with a plurality of downwardly extending insertion strips 171, the mounting ribs 17 of the embodiment are provided with two downwardly extending insertion strips 171, and the insertion strips 171 are further provided with vertical stripes. 4 slots 1331 have been seted up to the upper end of fixed arm 133, slot 1331 is corresponding with the cutting 171 on the installation rib 17, cutting 171 and slot 1331 grafting cooperation, at the grafting in-process, the vertical stripe on cutting 171 plays the guide effect, cutting 171 is fixed with slot 1331, the both ends of installation rib 17 are provided with the buckle, carry out the joint with the both ends of fixed arm, the fastness that further increases the installation realizes the fixed of guide part 13 and first sliding door 11 or second sliding door 12.

In order to prevent external dust, impurities and the like from entering the gear 14 and the rack 131 and further affecting the smoothness during meshing, and causing noise when the sliding door moves, as shown in fig. 11-12, an upper cover plate 18 is arranged above the guide part 13 at the same height on the first sliding door 11 and the second sliding door 12, and the upper cover plate 18 and the limiting part 132 are vertically clamped to form a hollow structure, as shown in fig. 1; the rack 131 and the gear 14 are located inside the hollow structure, and the rack 131 not only can slide along the stopper 132, but also can be slidably connected with the upper cover plate 18. In order to ensure that the rack 131 smoothly slides relative to the upper cover plate 18, the second slots 181 are symmetrically arranged at the bottom end of the upper cover plate 18, second inserting strips 1312 extend out of the upper portion of the rack 131, the second inserting strips 1312 are evenly provided with guide strips capable of guiding in the vertical direction along the width direction, the second inserting strips 1312 on the two racks 131 at the same height are respectively inserted into the two second slots 181 on the upper cover plate 18, the gear 14 and the rack 131 are both shielded by the upper cover plate 18, so that the damage to the racks due to impurities such as dust or external force can be effectively prevented, and the installation reliability is improved.

In order to enable the rack 131 to slide freely and smoothly in the sliding stroke defined by the matching of the protrusion 1311 and the guide slot 1321, the arc length of the second slot 181 is greater than the arc length of the rack 131 and is the same as the arc length of the slot 1331, and the rack 131 can move freely in the limiting member 132 and the upper cover plate 18, and the sliding track and the sliding stroke of the rack are defined by the matching of the protrusion 1311 and the guide slot 1321.

For guaranteeing first sliding door 11 and second sliding door 12 even running when sliding, prevent to lead to first sliding door 11 and second sliding door 12 to warp because the upper and lower stroke is inconsistent, be provided with at least a set of on first sliding door 11 and the second sliding door 12 the sliding component that the drive sliding door that guide part 13, driving motor 15 and gear 14 are constituteed removed, the utility model discloses in, all be provided with the sliding component who comprises guide part 13, driving motor 15 and gear 14 at the bottom and the top of first sliding door 11 and second sliding door 12, guarantee first sliding door 11 and second sliding door 12 upper and lower both ends synchronous motion, avoided because external force influences such as sliding door dead weight, the uneven deformation that leads to the fact the sliding door atress.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An air conditioning indoor unit, characterized in that: comprises that

A body;

the first sliding door and the second sliding door are symmetrically arranged at the front end of the machine body;

the inner sides of the first sliding door and the second sliding door are respectively fixed with a guide part, an arc-shaped rack is arranged in the guide part, and the guide parts drive the first sliding door and the second sliding door to move;

the gear is meshed with the rack;

the driving motor is connected with the gear and drives the gear to do rotary motion, the rotary motion of the gear is converted into arc motion of the rack, and the rack drives the first sliding door and the second sliding door to do arc motion;

the meshed movement tracks of the meshed gear and the meshed rack are vertically overlapped with the guide part, so that the guide track surface of the guide part and the movement track surface of the first sliding door or the second sliding door are on the same cambered surface.

2. An indoor unit of an air conditioner according to claim 1, wherein a fixing arm is provided at a side of the rack adjacent to the first sliding door or the second sliding door, the rack is connected to the fixing arm through a connecting block, and the rack is provided concentrically with the fixing arm.

3. An indoor unit of an air conditioner as claimed in claim 2, wherein the first sliding door and the second sliding door are provided with a mounting rib at the inner side, and a plurality of downward extending inserting strips are uniformly arranged on the mounting rib.

4. An indoor unit of an air conditioner as claimed in claim 3, wherein the upper end of the fixing arm is provided with a plurality of slots corresponding to the insertion strips on the mounting ribs, and the insertion strips are inserted into the slots to cooperate with the slots to fix the guide part to the first sliding door or the second sliding door.

5. An indoor unit of an air conditioner according to claim 1, wherein an upper cover is provided above the guide portion of the first sliding door and the second sliding door at the same height, and the upper cover shields the rack and the gear to prevent foreign substances from entering and reducing the smoothness of engagement between the gear and the rack.

6. An indoor unit of an air conditioner according to claim 5, wherein the upper cover plate is slidably connected to the rack of the two guide portions at the same height, a second insertion strip extends outward above the rack, and the second insertion strip is uniformly provided with guide strips which are vertically arranged in the width direction and can be easily installed.

7. An indoor unit of an air conditioner according to claim 6, wherein second slots matched with the two second inserting strips are symmetrically formed in the bottom end of the upper cover plate, and the second inserting strips move back and forth in the second slots.

8. An indoor unit of an air conditioner according to claim 2, wherein an arc-shaped cavity is formed between two adjacent fixing arms and two adjacent racks, and a reinforcing panel is arranged in the arc-shaped cavity.

9. An indoor unit of an air conditioner according to claim 7, wherein an arc length of the second insertion groove is larger than an arc length of the rack gear, and the rack gear can move freely within a sliding stroke when the first sliding door and the second sliding door move.

10. An indoor unit of an air conditioner according to claim 1, wherein at least one set of the guide, the driving motor, and the gear is provided on the first and second sliding doors.

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