CN219063587U - Gear assembly, door opening and closing driving assembly, air outlet frame component and air conditioner - Google Patents

Abstract

The utility model discloses a gear assembly, a door opening and closing driving assembly, an air outlet frame component and an air conditioner, wherein the gear assembly comprises: a drive gear; the first fixing seat and the second fixing seat are respectively positioned at two sides of the axial direction of the driving gear and are connected, the first fixing seat is provided with a central shaft hole, the end face of the driving gear, which faces to one axial end of the first fixing seat, is provided with a connecting groove, the central shaft hole is opposite to and communicated with the connecting groove, and a motor shaft of the driving motor is matched with the central shaft hole and the connecting groove; and the damping pad is arranged between at least one of the first fixing seat and the driving gear and between the second fixing seat and the driving gear. The gear assembly has the effects of damping and silencing, and is beneficial to improving the use experience of users.

Description

Gear assembly, door opening and closing driving assembly, air outlet frame component and air conditioner

Technical Field

The utility model relates to the technical field of air treatment equipment, in particular to a gear assembly, a door opening and closing driving assembly, an air outlet frame component and an air conditioner.

Background

In the related art, the motor shaft of the driving motor and the driving gear are easy to vibrate or generate abnormal sound and the like, and along with the increase of the service time, the lubricating oil on the driving gear volatilizes, so that the abnormal sound is more obvious, and the use experience of a user is influenced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a gear assembly, which has the effects of damping and silencing, and is beneficial to improving the use experience of users.

Another object of the present utility model is to provide a door opening and closing driving assembly having the above gear assembly.

It is still another object of the present utility model to provide an air outlet frame member having the above door opening and closing driving assembly.

Still another object of the present utility model is to provide an air conditioner having the above-mentioned air outlet frame member.

A gear assembly according to an embodiment of the present utility model includes: a drive gear; the first fixing seat and the second fixing seat are respectively positioned at two sides of the axial direction of the driving gear and are connected, the first fixing seat is provided with a central shaft hole, the end face of the driving gear, which faces towards one axial end of the first fixing seat, is provided with a connecting groove, the central shaft hole is opposite to and communicated with the connecting groove, and a motor shaft of the driving motor is matched with the central shaft hole and the connecting groove; and the damping pad is arranged between at least one of the first fixing seat and the driving gear and between the second fixing seat and the driving gear.

According to the gear assembly provided by the embodiment of the utility model, the first fixing seat is provided with the central shaft hole, the end face of the driving gear, which faces towards one axial end of the first fixing seat, is provided with the connecting groove, the motor shaft of the driving motor is matched with the central shaft hole and the connecting groove, at least one of the first fixing seat and the driving gear and the second fixing seat and the driving gear is provided with the shock pad, the shock pad can effectively absorb vibration or abnormal sound and the like between the motor shaft and the driving gear, the purpose of shock absorption and noise reduction is achieved, the use experience of a user is improved, the driving motor can drive the first fixing seat and the driving gear to rotate simultaneously through the motor shaft, the rotation consistency of the gear assembly is ensured, mutual movement is avoided, and the problems of shock, abnormal sound and the like can be further prevented.

In addition, the gear assembly according to the above embodiment of the present utility model may have the following additional technical features:

according to the gear assembly of some embodiments of the present utility model, the shock pad is disposed between the first fixing seat and the driving gear and is a first shock pad, and a first avoiding hole for avoiding the motor shaft is disposed on the first shock pad.

According to some embodiments of the utility model, a connecting portion is disposed on a side of the first fixing seat facing the driving gear, the central shaft hole penetrates through the connecting portion, the first shock pad is sleeved on the connecting portion, the connecting groove comprises a first groove section and a second groove section which are sequentially communicated in a direction from the first fixing seat to the second fixing seat, an inner peripheral wall of the first groove section is inwards contracted to an inner peripheral wall of the second groove section, the connecting portion extends into the first groove section, and the second groove section is matched with the motor shaft.

According to some embodiments of the utility model, the outer contour of the cross section of the first avoidance hole is non-circular, in the direction from the first fixing seat to the second fixing seat, the connecting portion comprises a first connecting portion and a second connecting portion which are connected, the second connecting portion is located in the first groove section, the first shock pad is sleeved on the first connecting portion, and the cross section of the outer peripheral wall of the first connecting portion is non-circular matched with the first avoidance hole.

According to some embodiments of the utility model, the connection portion is interference fit with the first relief hole.

According to some embodiments of the utility model, the interference of the connecting portion with the first relief hole is 0-0.2mm.

According to some embodiments of the utility model, a fixing groove is formed in one side, away from the second fixing seat, of the first shock pad, the first fixing seat is located in the fixing groove, the outer contour of the cross section of the fixing groove is non-circular, and the cross section of the peripheral wall of the first fixing seat is non-circular matched with the fixing groove.

According to some embodiments of the utility model, a first mounting groove for mounting the first shock pad is formed in one side of the driving gear, which is away from the second fixing seat, the outer contour of the cross section of the first mounting groove is non-circular, and the cross section of the peripheral wall of the first shock pad is non-circular matched with the first mounting groove.

According to some embodiments of the utility model, the shock pad is disposed between the second fixing base and the driving gear and is a second shock pad.

According to some embodiments of the utility model, a second mounting groove for mounting the second shock pad is formed in one side, away from the first fixing seat, of the driving gear, and the second shock pad is in interference fit with the second mounting groove.

According to some embodiments of the utility model, the second shock pad has an interference with the second mounting groove of 0-0.2mm.

According to some embodiments of the utility model, a mounting portion is provided on a side of the driving gear away from the first fixing seat, the connecting groove extends onto the mounting portion, the second mounting groove is annular and is located radially outside the mounting portion in a radial direction of the driving gear, and the second shock pad is annular.

According to some embodiments of the utility model, the radially inner end of the second shock pad is provided with an annular mounting flange extending in a direction away from the first fixing seat, and the second fixing seat is arranged outside the mounting flange.

According to some embodiments of the utility model, in an axial direction of the driving gear, a height of the mounting flange is greater than or equal to a thickness of the second fixing base.

According to some embodiments of the utility model, the first fixing seat is provided with a clamping portion, the clamping portion penetrates through the driving gear and the shock pad, and the second fixing seat is provided with a clamping hole matched with the clamping portion.

According to an embodiment of the present utility model, a door opening and closing driving assembly includes: a bracket; the driving motor is arranged on the bracket; according to the gear assembly provided by the embodiment of the utility model, the motor shaft of the driving motor penetrates through the central shaft hole and the connecting groove; and the rack is movably arranged on the bracket and matched with the driving gear.

According to the door opening and closing driving assembly provided by the embodiment of the utility model, the first fixing seat is provided with the central shaft hole, the end face of the driving gear, which faces towards one axial end of the first fixing seat, is provided with the connecting groove, the motor shaft of the driving motor is matched with the central shaft hole and the connecting groove, at least one of the first fixing seat and the driving gear and the second fixing seat and the driving gear is provided with the damping pad, the damping pad can effectively absorb vibration or abnormal sound and the like between the motor shaft and the driving gear, the purpose of damping and silencing is achieved, the use experience of a user is improved, the driving motor can drive the first fixing seat and the driving gear to rotate simultaneously through the motor shaft, the rotation consistency of the gear assembly is ensured, mutual movement is avoided, and the problems of vibration, abnormal sound and the like can be further prevented.

According to some embodiments of the utility model, the rack is provided with a guide post, the bracket is provided with a chute, and the guide post is suitable for sliding in the chute.

According to some embodiments of the utility model, the rack is provided with rollers, the support is provided with rolling channels, and the rollers are suitable for rolling in the rolling channels.

According to an embodiment of the present utility model, an air outlet frame member includes: the air outlet frame is provided with an air outlet; according to the door opening and closing driving assembly provided by the embodiment of the utility model, the bracket is arranged on the air outlet frame; and the switch door is connected with the rack to open or close the air outlet.

According to the air outlet frame component provided by the embodiment of the utility model, the first fixing seat is provided with the central shaft hole, the end face of the driving gear, which faces towards one axial end of the first fixing seat, is provided with the connecting groove, the motor shaft of the driving motor is matched with the central shaft hole and the connecting groove, at least one of the first fixing seat and the driving gear and the second fixing seat and the driving gear is provided with the shock pad, the shock pad can effectively absorb vibration or abnormal sound and the like between the motor shaft and the driving gear, the purpose of shock absorption and noise reduction is achieved, the use experience of a user is improved, the driving motor can drive the first fixing seat and the driving gear to rotate simultaneously through the motor shaft, the rotation consistency of the gear component is ensured, mutual movement is avoided, and the problems of shock, abnormal sound and the like can be further prevented.

According to some embodiments of the utility model, the door opening and closing driving assembly is arranged at two ends of the length direction of the air outlet frame.

According to some embodiments of the utility model, the air outlets are a plurality of spaced-apart air outlets, the switch doors are a plurality of one-to-one air outlets, and the driving motor, the rack and the gear assembly on the switch door driving assembly are a plurality of one-to-one air outlets.

The air conditioner comprises the air outlet frame component according to the embodiment of the utility model.

According to the air conditioner disclosed by the embodiment of the utility model, the first fixing seat is provided with the central shaft hole, the end face of the driving gear, which faces towards one axial end of the first fixing seat, is provided with the connecting groove, the motor shaft of the driving motor is matched with the central shaft hole and the connecting groove, at least one of the first fixing seat and the driving gear and the second fixing seat and the driving gear is provided with the shock pad, the shock pad can effectively absorb vibration or abnormal sound and the like between the motor shaft and the driving gear, the purpose of shock absorption and noise reduction is achieved, the use experience of a user is improved, the driving motor can drive the first fixing seat and the driving gear to rotate simultaneously through the motor shaft, the rotation consistency of a gear assembly is ensured, mutual movement is avoided, and the problems of shock, abnormal sound and the like can be further prevented.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of an air conditioner according to an embodiment of the present utility model;

fig. 2 is an exploded view of an air conditioner according to an embodiment of the present utility model;

fig. 3 is a partial exploded view of an air conditioner according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of an air frame assembly according to an embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4 at circle A;

FIG. 6 is an exploded view of an air frame component according to an embodiment of the present utility model;

FIG. 7 is a schematic structural view of a door opening and closing driving assembly according to an embodiment of the present utility model;

FIG. 8 is an exploded view of a door opening and closing drive assembly according to an embodiment of the present utility model;

FIG. 9 is a schematic structural view of a gear assembly according to an embodiment of the present utility model;

FIG. 10 is an exploded view of a gear assembly according to an embodiment of the present utility model;

FIG. 11 is a top view of a gear assembly according to an embodiment of the present utility model;

FIG. 12 is a cross-sectional view taken along line B-B of FIG. 11;

FIG. 13 is a schematic view of the structure of an angle of a drive gear according to an embodiment of the present utility model;

FIG. 14 is a schematic view of another angle configuration of a drive gear according to an embodiment of the present utility model;

fig. 15 is a schematic structural view of a first fixing base according to an embodiment of the present utility model;

FIG. 16 is a schematic view of a first shock pad according to an embodiment of the present utility model;

FIG. 17 is a schematic view of a structure of a second shock pad according to an embodiment of the present utility model;

fig. 18 is a schematic structural view of a second fixing base according to an embodiment of the present utility model.

Reference numerals:

100. a gear assembly; 200. a door opening and closing driving assembly; 300. an air outlet frame member; 400. an air conditioner;

10. a drive gear; 11. a connecting groove; 12. a first mounting groove; 13. a second mounting groove; 14. a mounting part; 15. a clamping position avoiding hole; 16. an observation hole; 111. a first trough section; 112. a second trough section;

21. a first fixing seat; 22. the second fixing seat; 211. a central shaft hole; 212. a connection part; 213. a clamping part; 214. a first connection portion; 215. a second connecting portion; 216. a first straight line segment; 217. a second straight line segment; 218. a first arc segment; 219. a second arc segment; 221. a clamping hole;

30. A shock pad; 31. a first shock pad; 32. a second shock pad; 311. a first avoidance hole; 312. a fixing groove; 321. installing a folded edge;

40. a bracket; 41. a chute; 42. a rolling channel; 401. a base; 402. a cover plate;

50. a driving motor; 51. a motor shaft; 52. a motor cover;

60. a rack; 61. a guide post; 62. a roller; 63. a mounting bracket;

70. an air outlet frame; 71. an air outlet; 72. opening and closing a door;

80. a housing; 81. a top cover; 82. a panel assembly; 83. a chassis; 84. a back plate; 821. a first panel; 822. a second panel;

90. a heat exchange member; 91. an air duct member.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, "a first feature" may include one or more such features, and "a plurality" may mean two or more, and that a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween, with the first feature "above", "over" and "above" the second feature including both the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.

A gear assembly 100 according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 5, 9-12, a gear assembly 100 according to an embodiment of the present utility model may include: the driving gear 10, the first fixing seat 21 and the second fixing seat 22.

Specifically, the first fixing base 21 and the second fixing base 22 are respectively located at both sides of the axial direction (for example, the up-down direction shown in fig. 12) of the driving gear 10, the end face of the driving gear 10 facing the axial end (for example, the lower end shown in fig. 12) of the first fixing base 21 is provided with a connecting groove 11, and a motor shaft 51 of the driving motor 50 is matched with the connecting groove 11, so that the driving motor 50 can control the driving gear 10 to rotate through the motor shaft 51, and the rotation requirement of the driving gear 10 is achieved.

In the related art, the motor shaft of the driving motor and the driving gear are easy to vibrate or generate abnormal sound and the like, and along with the increase of the service time, the lubricating oil on the driving gear volatilizes, so that the abnormal sound is more obvious, and the use experience of a user is influenced.

Therefore, in the present utility model, as shown in fig. 5, 9 to 12, the gear assembly 100 further includes a shock pad 30, at least one of the first fixing base 21 and the driving gear 10 and the second fixing base 22 and the driving gear 10 is provided with the shock pad 30, in other words, the shock pad 30 is provided between the first fixing base 21 and the driving gear 10 and between the second fixing base 22 and the driving gear 10; or, be equipped with shock pad 30 between second fixing base 22 and the drive gear 10 or between second fixing base 22 and the drive gear 10, can effectively absorb vibration or abnormal sound etc. between motor shaft 51 and the drive gear 10 through shock pad 30, play shock attenuation amortization's purpose, improve user's use and experience, and under the condition of equal torsion requirement, because shock pad 30 can play shock attenuation amortization's purpose, can the priority use cost lower driving motor 50 from this, be favorable to reducing manufacturing cost. Meanwhile, the first fixing seat 21 and the second fixing seat 22 are connected, so that the shock pad 30 can be fixed on the driving gear 10 through the first fixing seat 21 and the second fixing seat 22, the shock pad 30 is ensured to be fixed reliably, and the shock absorption and noise reduction effects are ensured to be good.

In addition, as shown in fig. 5, 10, 12 and 15, the first fixing base 21 has a central shaft hole 211, the central shaft hole 211 is opposite to the connecting groove 11, and the central shaft hole 211 is communicated with the connecting groove 11, the motor shaft 51 of the driving motor 50 is matched with the central shaft hole 211, that is, the motor shaft 51 of the driving motor 50 is simultaneously matched with the central shaft hole 211 and the connecting groove 11, so that the driving motor 50 can drive the first fixing base 21 and the driving gear 10 to rotate simultaneously through the motor shaft 51, thereby avoiding the rotation, the movement and the like of the first fixing base 21, the second fixing base 22 and the shock pad 30 relative to the driving gear 10, ensuring the rotation consistency of the gear assembly 100, preventing the problems of vibration, abnormal noise and the like, and ensuring the good shock absorption and noise reduction effect.

In some embodiments, the shock pad 30 may be a rubber member, which has a better effect of absorbing vibration or abnormal sound, ensures a good shock absorbing and noise reducing effect, and is low in price, so as to be beneficial to reducing the production cost of the gear assembly 100.

It should be noted that, for convenience of description, the orientations of "up", "down", "left" and "right" in the present utility model are based on the orientation relationships shown in the drawings, and are not limited to the orientations in practical application.

In some embodiments, as shown in fig. 5, the first fixing base 21 is located on a side (e.g. a lower side shown in fig. 12) of the driving gear 10 facing the driving motor 50, so that the motor shaft 51 is matched with the central shaft hole 211 and the connecting slot 11, so as to ensure reliable matching, and the first fixing base 21 is driven by the motor shaft 51 to rotate with the driving gear 10 simultaneously, so that the first fixing base 21 can be prevented from moving on the driving gear 10, and reliable rotation is ensured.

In some embodiments, as shown in fig. 10 and 15, the outer contour of the cross section of the central shaft hole 211 includes a first straight line segment 216, a second straight line segment 217, a first arc line segment 218 and a second arc line segment 219, the first straight line segment 216 and the second straight line segment 217 are arranged at intervals, the first arc line segment 218 and the second arc line segment 219 are arranged at intervals, two ends of the first arc line segment 218 are respectively connected with one ends of the first straight line segment 216 and the second straight line segment 217, and one ends of the first straight line segment 216 and one ends of the second straight line segment 217, which are far away from the first arc line segment 218, are respectively connected with two ends of the second arc line segment 219, so that the outer contour of the cross section of the central shaft hole 211 can be approximately formed into a duckbill-shaped flat structure, the fit between the central shaft hole 211 and the motor shaft 51 is ensured to be reliable, the driving motor 50 is convenient to drive the first fixing seat 21 to rotate through the motor shaft 51, and the connection requirement of the first fixing seat 21 and the driving motor 50 is met.

According to the gear assembly 100 of the embodiment of the utility model, the first fixing seat 21 is provided with the central shaft hole 211, the end face of the driving gear 10 facing to one axial end of the first fixing seat 21 is provided with the connecting groove 11, the motor shaft 51 of the driving motor 50 is matched with the central shaft hole 211 and the connecting groove 11, at least one of the first fixing seat 21 and the driving gear 10 and the second fixing seat 22 and the driving gear 10 is provided with the shock pad 30, the shock pad 30 can effectively absorb vibration or abnormal sound and the like between the motor shaft 51 and the driving gear 10, the purpose of shock absorption and noise reduction is achieved, the use experience of a user is improved, the driving motor 50 can drive the first fixing seat 21 and the driving gear 10 to rotate simultaneously through the motor shaft 51, the rotation consistency of the gear assembly 100 is ensured, mutual play is avoided, and the problems of vibration, abnormal sound and the like can be further prevented.

In some embodiments of the present utility model, as shown in fig. 5, 10, 12 and 16, a shock pad 30 is disposed between the first fixing seat 21 and the driving gear 10 and is a first shock pad 31, a first avoidance hole 311 is disposed on the first shock pad 31, and the first avoidance hole 311 is used for avoiding the motor shaft 51, so that the motor shaft 51 passes through the first shock pad 31 to be connected with the driving gear 10, and the connection requirement of the motor shaft 51 and the driving gear 10 is satisfied.

According to some embodiments of the present utility model, as shown in fig. 5 and 12, a connecting portion 212 is disposed on a side (e.g., an upper side shown in fig. 12) of the first fixing base 21 facing the driving gear 10, a central shaft hole 211 penetrates through the connecting portion 212, the first shock pad 31 is sleeved on the connecting portion 212, the first shock pad 31 is conveniently limited by the connecting portion 212, the first shock pad 31 is ensured to be reliably limited between the first fixing base 21 and the driving gear 10, and the structural strength of the first fixing base 21 can be improved by the connecting portion 212, so as to avoid the deformation of the first fixing base 21.

In addition, as shown in fig. 5 and 12, in the direction from the first fixing seat 21 to the second fixing seat 22 (for example, in the direction from bottom to top in fig. 12), the connecting groove 11 includes a first groove section 111 and a second groove section 112, the first groove section 111 and the second groove section 112 are sequentially communicated, the inner peripheral wall of the first groove section 111 is retracted in the inner peripheral wall of the second groove section 112, the second groove section 112 is matched with the motor shaft 51, so that the matching requirement of the driving gear 10 and the motor shaft 51 can be met, the connecting part 212 extends into the first groove section 111, the second fixing seat 22 and the driving gear 10 are ensured to be reliably positioned, the motor shaft 51 is conveniently matched with the second groove section 112 and the central shaft hole 211, the rotation consistency of the gear assembly 100 is ensured, and the damping and silencing effects are ensured.

In some embodiments of the present utility model, as shown in fig. 9, 10, 12 and 15, in the direction from the first fixing seat 21 to the second fixing seat 22, the connection portion 212 includes a first connection portion 214 and a second connection portion 215, where the first connection portion 214 and the second connection portion 215 are connected, and the second connection portion 215 is located in the first groove section 111, so that the driving gear 10 is convenient to cooperate with the first fixing seat 21, and positioning reliability of the driving gear 10 and the first fixing seat 21 is ensured.

In addition, as shown in fig. 5, 10, 12, 15 and 16, the first shock pad 31 is sleeved on the first connecting portion 214, the outer contour of the cross section of the first avoiding hole 311 is non-circular, the cross section of the outer peripheral wall of the first connecting portion 214 is non-circular matched with the first avoiding hole 311, and the first shock pad 31 can be prevented from rotating relative to the first connecting portion 214 by matching the first avoiding hole 311 with the first connecting portion 214, so that the first shock pad 31 is ensured to be fixed and reliable on the first fixing seat 21, and the good shock absorption and noise reduction effect is ensured.

It should be noted that "non-circular" herein is to be understood in a broad sense. In other words, the outer contour of the cross section of the first escape holes 311 may extend along an arc, for example, be formed in an elliptical shape or the like, and in other words, the outer contour of the cross section of the first escape holes 311 may extend along a straight line, for example, be formed in a polygonal shape (for example, triangle, quadrangle, hexagon, or the like) or the like.

According to some embodiments of the present utility model, the connection portion 212 is in interference fit with the first avoidance hole 311, so as to ensure that the first shock pad 31 is tightly matched with the first fixing seat 21, ensure that the first shock pad 31 absorbs better vibration and abnormal noise, and facilitate to improve the shock absorption and noise reduction effects.

In some examples, the interference between the connecting portion 212 and the first avoiding hole 311 is 0-0.2mm, so that the first shock pad 31 and the first fixing seat 21 can be ensured to be tightly matched, the first shock pad 31 is conveniently sleeved on the first connecting portion 214, the first shock pad 31 is conveniently assembled, and the assembly efficiency is facilitated to be improved. For example, in some particular embodiments, the connection 212 may have an interference with the first relief hole 311 of 0mm, 0.1mm, 0.13mm, 0.15mm, 0.18mm, 0.2mm, etc.

In some embodiments of the present utility model, as shown in fig. 12, a side (e.g., a lower side shown in fig. 12) of the first shock pad 31 facing away from the second fixing base 22 is provided with a fixing groove 312, and the first fixing base 21 is located in the fixing groove 312, so as to ensure that the first fixing base 21 is reliably limited, ensure that the structure is compact, and be beneficial to reducing the occupied space of the gear assembly 100.

In addition, as shown in fig. 16, the outer contour of the cross section of the fixing groove 312 is non-circular, the cross section of the outer peripheral wall of the first fixing seat 21 is non-circular matched with the fixing groove 312, and the first shock pad 31 can be prevented from rotating relative to the first fixing seat 21 by matching the fixing groove 312 with the first fixing seat 21, so that the first shock pad 31 and the first fixing seat 21 are ensured to be fixed reliably, and the shock absorption and noise reduction effects are ensured to be good.

According to some embodiments of the present utility model, as shown in fig. 5, 12 and 14, a side of the driving gear 10 facing away from the second fixing seat 22 is provided with a first mounting groove 12, and the first mounting groove 12 is used for mounting a first shock pad 31, so that the first shock pad 31 is reliably limited on the driving gear 10, and the structure is compact, which is beneficial to reducing the occupied space of the gear assembly 100.

As shown in fig. 10, 14 and 16, the outer contour of the cross section of the first mounting groove 12 is non-circular, the cross section of the outer peripheral wall of the first damper pad 31 is non-circular to be engaged with the first mounting groove 12, and the first damper pad 31 is prevented from rotating relative to the drive gear 10 by engaging the first mounting groove 12 with the first damper pad 31, so that the first damper pad 31 and the drive gear 10 are reliably fixed, and the damper and noise reduction effect is ensured.

In some embodiments of the present utility model, as shown in fig. 5, 10 and 12, a shock pad 30 is disposed between the second fixing seat 22 and the driving gear 10 and is a second shock pad 32, and vibration or abnormal sound between the motor shaft 51 and the driving gear 10 can be effectively absorbed by the second shock pad 32, so as to achieve the purposes of shock absorption and noise reduction, and improve the use experience of users.

According to some embodiments of the present utility model, as shown in fig. 5, 10, 12 and 13, a side of the driving gear 10 facing away from the first fixing seat 21 (e.g., an upper side shown in fig. 12) is provided with a second mounting groove 13, and the second mounting groove 13 is used for mounting the second shock pad 32, so that the second shock pad 32 is ensured to be reliably limited on the driving gear 10, and the structure is ensured to be compact, which is beneficial to reducing the occupied space of the gear assembly 100. Meanwhile, the second shock pad 32 is in interference fit with the second mounting groove 13, so that the second shock pad 32 is tightly matched with the second fixing seat 22, the second shock pad 32 is ensured to absorb vibration and abnormal sound better, and the shock absorption and noise reduction effects are improved.

In some examples, the interference between the second shock pad 32 and the second mounting groove 13 is 0-0.2mm, so that the second shock pad 32 and the driving gear 10 can be tightly matched, the first shock pad 31 is conveniently mounted in the second mounting groove 13, the second shock pad 32 is conveniently assembled, and the assembly efficiency is improved. For example, in some particular embodiments, the second shock pad 32 may have an interference with the second mounting groove 13 of 0mm, 0.1mm, 0.13mm, 0.15mm, 0.18mm, 0.2mm, etc.

In some embodiments of the present utility model, as shown in fig. 5 and fig. 9-13, a mounting portion 14 is disposed on a side of the driving gear 10 away from the first fixing seat 21 (for example, an upper side shown in fig. 12), and the connecting slot 11 extends onto the mounting portion 14, so that a mating area of the motor shaft 51 and the connecting slot 11 can be increased, so that the motor shaft 51 and the connecting slot 11 can be mated, and the driving gear 10 can be reliably driven to rotate.

In addition, as shown in fig. 10, 11, 13 and 17, in the radial direction of the driving gear 10, the second mounting groove 13 is annular, the second mounting groove 13 is located at the radial outer side of the mounting portion 14, the second shock pad 32 is annular, the second shock pad 32 is convenient to be mounted on the driving gear 10, the second shock pad 32 can avoid the mounting portion 14, the required mounting requirement is met, the structure is simple, and the processing and the manufacturing are convenient.

In some embodiments, as shown in fig. 5, 9 and 10-14, the mounting portion 14 is provided with an observation hole 16, and the observation hole 16 penetrates through the thickness of the mounting portion 14 in the axial direction (for example, in the up-down direction shown in fig. 12), so that when the motor shaft 51 is assembled with the connecting groove 11, the motor shaft 51 installed in the connecting groove 11 is easily observed through the observation hole 16, which is beneficial to improving the assembly efficiency.

According to some embodiments of the present utility model, as shown in fig. 9-12 and 7, a mounting flange 321 is disposed at a radial inner end of the second shock pad 32, and the mounting flange 321 is in a ring shape extending towards a direction away from the first fixing seat 21, so that the structural strength of the second shock pad 32 can be increased by the mounting flange 321, which is beneficial to improving the shock absorption and noise reduction effects. Meanwhile, the second fixing seat 22 is arranged on the outer side of the installation folded edge 321, the position of the second fixing seat 22 can be limited through the installation folded edge 321, the second fixing seat 22 is prevented from moving to be in contact with the driving gear 10, the problems of vibration, abnormal sound and the like can be avoided, and the damping and silencing effects are ensured.

In some embodiments of the present utility model, as shown in fig. 12, in the axial direction of the driving gear 10 (for example, the up-down direction shown in fig. 12), the height of the mounting flange 321 is greater than or equal to the thickness of the second fixing base 22, so that the limit of the mounting flange 321 on the second fixing base 22 can be ensured to be reliable, the problems of vibration, abnormal sound and the like caused by the movement of the second fixing base 22 can be avoided, and the damping and silencing effects can be ensured.

According to some embodiments of the present utility model, as shown in fig. 9-12 and 15, a clamping portion 213 is disposed on the first fixing seat 21, the clamping portion 213 is disposed through the driving gear 10 and the shock pad 30, and the second fixing seat 22 is provided with a clamping hole 221, so that the first fixing seat 21 and the second fixing seat 22 are connected by matching the clamping hole 221 with the clamping portion 213, so that the driving gear 10 and the shock pad 30 can be limited between the first fixing seat 21 and the second fixing seat 22, the fixed connection between the driving gear 10, the shock pad 30, the first fixing seat 21 and the second fixing seat 22 is ensured to be reliable, the movement is not easy to occur, and the good shock absorption and noise reduction effect is ensured.

In some embodiments, as shown in fig. 9-12 and 15, the number of the clamping portions 213 may be plural, the plurality of clamping portions 213 are disposed at intervals along the circumferential direction of the first fixing seat 21, the plurality of clamping holes 221 are plural, the plurality of clamping holes 221 are in one-to-one correspondence with the clamping portions 213, and different positions of the driving gear 10 and the shock pad 30 can be limited by matching the plurality of clamping portions 213 with the plurality of clamping holes 221, so that the problems of abnormal sound caused by shaking between the driving gear 10 and the shock pad 30 are avoided, and the fixing reliability is ensured.

In the embodiment of the present utility model, the number of the detent portions 213 may be flexibly set according to the actual situation, for example, three detent portions 213 may be shown in fig. 15, or two, four, five, six or more detent portions may be used, which is within the scope of the present utility model.

For example, in some embodiments, as shown in fig. 15, the number of the detent portions 213 may be three, and the angle between the central axes of two adjacent detent portions 213 may be 120 °, so as to facilitate the processing and manufacturing of the detent portions 213.

In some embodiments, as shown in fig. 10, 12, 13, 14, 16 and 17, the driving gear 10 and the shock pad 30 are respectively provided with a clamping position avoiding hole 15, and the clamping position avoiding holes 15 can avoid the clamping position part 213, so that the clamping position part 213 is convenient to penetrate through the driving gear 10 and the shock pad 30 to be connected with the clamping hole 221, and reliable connection is ensured.

The door opening and closing driving assembly 200 according to the embodiment of the present utility model includes a bracket 40, a driving motor 50, a gear assembly 100, and a rack 60. Wherein the gear assembly 100 is the gear assembly 100 according to the above-described embodiment of the present utility model.

Specifically, the driving motor 50 is disposed on the bracket 40, and the motor shaft 51 of the driving motor 50 is disposed through the central shaft hole 211 and the connecting slot 11, so that the motor shaft 51 is matched with the driving gear 10, and the driving motor 50 can drive the first fixing seat 21 and the driving gear 10 to rotate simultaneously through the motor shaft 51, so as to ensure the rotation consistency of the gear assembly 100. Meanwhile, under the condition of the same torque requirement, the shock pad 30 can play a role in shock absorption and noise reduction, so that the driving motor 50 with lower cost can be preferentially used, and the production cost is reduced.

In addition, as shown in fig. 5 and 8, the rack 60 is movably disposed on the support 40, and the rack 60 is matched with the driving gear 10, so that the driving motor 50 drives the driving gear 10 to rotate through the motor shaft 51, and the rotation of the driving gear 10 can drive the rack 60 matched with the driving gear 10 and the rack 60 to move on the support 40, so as to realize the driving of the rack 60 to the external structure, and meet the control requirement of the door opening and closing driving assembly 200 to the external structure.

In some embodiments, as shown in fig. 5-8, the support 40 may include a base 401 and a cover 402, where the base 401 and the cover 402 are engaged and connected, so that the gear assembly 100 and the rack 60 are conveniently mounted on the support 40, ensuring that the mounting is convenient, and the assembly efficiency is improved, and the gear assembly 100 and the rack 60 can be protected by the base 401 and the cover 402, so that the service lives of the gear assembly 100 and the rack 60 are prolonged. For example, the base 401 and cover 402 may be coupled by a snap fit with a fastener, or the like.

In some embodiments, as shown in fig. 5, 7 and 8, the door opening and closing driving assembly 200 further includes a motor cover 52, the motor cover 52 is connected with the bracket 40, and the driving motor 50 is located between the motor cover 52 and the bracket 40, and the motor shaft 51 is penetrated through the bracket 40 to cooperate with the central shaft hole 211 and the connecting slot 11, so as to ensure that the motor shaft 51 is reliably connected with the gear assembly 100, and the driving motor 50 can be protected by the motor cover 52, so that damage caused by exposure of the driving motor 50 is avoided, and the service life of the driving motor 50 is prolonged. For example, the motor housing 52 may be coupled to the bracket 40 by fasteners.

In some embodiments, lubricating oil is arranged between the rack 60 and the driving gear 10, and the matching between the rack 60 and the driving gear 10 can be lubricated through the lubricating oil, so that the transmission is ensured to be reliable, vibration and abnormal noise can be reduced, and the effects of damping and noise reduction can be better achieved. For example, the lubricating oil may be a silicone grease oil.

Since the gear assembly 100 according to the embodiment of the present utility model has the above beneficial technical effects, the door opening and closing driving assembly 200 according to the embodiment of the present utility model has the central shaft hole 211 through the first fixing seat 21, the connecting groove 11 is formed on the end surface of the driving gear 10 facing the axial end of the first fixing seat 21, the motor shaft 51 of the driving motor 50 is matched with the central shaft hole 211 and the connecting groove 11, the shock pad 30 is disposed between the first fixing seat 21 and the driving gear 10 and at least one of the second fixing seat 22 and the driving gear 10, and the shock pad 30 can effectively absorb vibration or abnormal sound between the motor shaft 51 and the driving gear 10, thereby achieving the purpose of shock absorption and noise reduction, improving the user experience, and ensuring the rotation consistency of the gear assembly 100 through the motor shaft 51, avoiding mutual play, and further preventing the problems of shock, abnormal sound and the like.

In some embodiments of the present utility model, as shown in fig. 5 and 8, a guide post 61 is provided on the rack 60, a sliding groove 41 is provided on the rack 40, the guide post 61 can slide in the sliding groove 41, and the guide post 61 cooperates with the sliding groove 41 to guide the movement of the rack 60, so that the movement track of the rack 40 is ensured, and the rack 60 can reliably move on the rack 40.

In some embodiments, as shown in fig. 8, the guide posts 61 may be plural (two or more), and the guide posts 61 may be disposed at intervals along the longitudinal direction of the rack 60, and the guide posts 61 may move in the slide groove 41, so that the longitudinal direction of the rack 60 may be supported, and the rack may not be easily skewed, thereby ensuring the stability of movement.

According to some embodiments of the present utility model, as shown in fig. 8, a roller 62 is disposed on a rack 60, a rolling channel 42 is disposed on a support 40, the roller 62 can roll in the rolling channel 42, and by matching the roller 62 with the rolling channel 42, movement of the rack 60 can be guided, so as to ensure a running track of the support 40, so that the rack 60 can reliably move on the support 40, and the roller 62 can roll in the rolling channel 42, thereby avoiding problems such as noise generated by friction of the roller 62 in the rolling channel 42, and being beneficial to improving use experience of users.

In some embodiments, the rolling channel 42 may be provided with lubricating oil, through which the roller 62 can be lubricated in the rolling channel 42, so as to ensure reliable movement, reduce vibration and abnormal noise, and have better vibration and noise reduction effects.

In some embodiments, as shown in fig. 8, a guide post 61 and a roller 62 are disposed on the rack 60, the guide post 61 and the roller 62 are disposed at intervals along the width direction of the rack 60, the guide post 61 slides in the chute 41, the roller 62 rolls in the rolling channel 42, and the guide post 61 and the roller 62 can support the width direction of the rack 60, so that the rack 60 is stably supported, and is not easy to skew, and the moving stability is ensured.

The air outlet frame component 300 according to the embodiment of the utility model comprises an air outlet frame 70, a switch door 72 and a switch door driving assembly 200 according to the embodiment of the utility model, wherein the bracket 40 is arranged on the air outlet frame 70, the bracket 40 can be fixed, the air outlet frame 70 is provided with an air outlet 71, the switch door 72 is connected with the rack 60, and the switch door 72 can be driven to move by moving the rack 60 on the bracket 40, so that the switch door 72 can open or close the air outlet 71, the control requirement on the switch door 72 is met, and the control is ensured to be reliable.

In some embodiments, as shown in fig. 6-8, a mounting bracket 63 is disposed on the rack 60, and one end, far away from the rack 60, of the mounting bracket 63 is connected with the switch door 72, so that the switch door 72 can be connected with the rack 60, reliable connection is ensured, and the structural complexity of the rack 60 is reduced, so that machining and manufacturing are facilitated.

Since the door opening and closing driving assembly 200 according to the embodiment of the present utility model has the above-mentioned beneficial technical effects, the air outlet frame component 300 according to the embodiment of the present utility model has the central shaft hole 211 through the first fixing seat 21, the connecting slot 11 is formed on the end surface of the driving gear 10 facing the axial end of the first fixing seat 21, the motor shaft 51 of the driving motor 50 is matched with the central shaft hole 211 and the connecting slot 11, the shock pad 30 is disposed between the first fixing seat 21 and the driving gear 10 and at least one of the second fixing seat 22 and the driving gear 10, and the shock pad 30 can effectively absorb vibration or abnormal sound between the motor shaft 51 and the driving gear 10, thereby achieving the purpose of shock absorption and noise reduction, improving the user experience, and the driving motor 50 can drive the first fixing seat 21 and the driving gear 10 to rotate simultaneously through the motor shaft 51, ensuring the rotation consistency of the gear assembly 100, avoiding mutual play, and further preventing the problems of vibration, abnormal sound and the like.

In some embodiments of the present utility model, as shown in fig. 4 and 6, the door opening and closing driving assemblies 200 are disposed at two ends of the length direction (for example, the up-down direction shown in fig. 3) of the air outlet frame 70, and when the door opening and closing 72 opens or closes the air outlet 71, the two door opening and closing driving assemblies 200 can respectively control the two ends of the door opening and closing 72 in the length direction, so as to ensure consistency of control of the two ends of the door opening and closing 72 in the length direction, avoid problems such as skew caused by movement of the door opening and closing 72, and ensure good appearance effect.

In some embodiments, as shown in fig. 4, the door driving assembly 200 is opposite to the position of the air outlet frame 70 along the length direction, and after the door 72 is installed, the door 72 can be ensured to be in a vertical state, and the overall consistency of opening or closing the air outlet 71 by the door 72 can be ensured.

According to some embodiments of the present utility model, as shown in fig. 7 and 8, the air outlets 71 are spaced apart, and the air outlet of the air outlet frame 300 can be effectively increased through the plurality of air outlets 71, which is beneficial to improving the use experience of users.

In addition, as shown in fig. 7 and 8, the switch door 72 is a plurality of one-to-one, and the plurality of air outlets 71 can be opened or closed respectively through the plurality of switch doors 72, so as to meet the control requirements of the plurality of air outlets 71, and the driving motor 50, the rack 60 and the gear assembly 100 on the switch door driving assembly 200 are a plurality of one-to-one, so that each switch door 72 can be controlled independently, the control reliability is ensured, and different use requirements are met.

In the embodiment of the present utility model, the number of the air outlets 71 may be flexibly set according to practical situations, for example, two air outlets 71 may be shown in fig. 16, or three, four, five, six or more air outlets may be used, which is within the scope of the present utility model.

The air conditioner 400 according to the embodiment of the present utility model includes the air outlet frame member 300 according to the embodiment of the present utility model. Since the air outlet frame member 300 according to the embodiment of the present utility model has the above-mentioned beneficial technical effects, according to the air conditioner 400 of the embodiment of the present utility model, the first fixing seat 21 has the central shaft hole 211, the end surface of the driving gear 10 facing the axial end of the first fixing seat 21 is provided with the connecting groove 11, the motor shaft 51 of the driving motor 50 is matched with the central shaft hole 211 and the connecting groove 11, at least one of the first fixing seat 21 and the driving gear 10 and the second fixing seat 22 and the driving gear 10 is provided with the shock pad 30, the shock pad 30 can effectively absorb the vibration or abnormal sound between the motor shaft 51 and the driving gear 10, thereby achieving the purpose of shock absorption and noise reduction, improving the user experience, and the driving motor 50 can drive the first fixing seat 21 and the driving gear 10 to rotate simultaneously through the motor shaft 51, ensuring the rotation consistency of the gear assembly 100, avoiding the occurrence of mutual play, and further preventing the problems of shock, abnormal sound and the like.

In some embodiments, as shown in fig. 1-3, the air conditioner 400 includes a casing 80, the air outlet frame 70 may be located in the casing 80, and the casing 80 can protect internal structures such as the air outlet frame 70, which is beneficial to prolonging the service life of the internal structures such as the air outlet frame 70, and has a better appearance effect.

In some embodiments, as shown in fig. 1-3, the housing 80 may include a top cover 81, a panel assembly 82, a back plate 84 and a chassis 83, where the top cover 81, the panel assembly 82, the back plate 84 and the chassis 83 are connected with each other, so that the internal structure of the air conditioner 400 can be protected, damage caused by the exposed internal structure is avoided, the service life of the air conditioner 400 is prolonged, and a better appearance effect is achieved.

In some embodiments, as shown in fig. 1-3, the panel assembly 82 may include a first panel 821 and a second panel 822, where the first panel 821 is connected to the second panel 822, which is advantageous for reducing complexity of the overall processing of the panel assembly 82, facilitating manufacturing of the panel assembly 82, and reducing production costs.

In some embodiments, as shown in fig. 1 and fig. 2, the air outlet frame 70 and the casing 80 together define a heat exchange air channel, a heat exchange component 90 and an air channel component 91 are arranged in the heat exchange air channel, the air channel component 91 can drive indoor air flow into the heat exchange air channel, the air flow in the heat exchange air channel can exchange heat with the heat exchange component 90, and the air flow after heat exchange can be blown into a room, so that the indoor temperature can be adjusted, and the use requirement of a user can be met. For example, the heat exchange member 90 may be an evaporator or the like.

The air conditioner 400 according to one embodiment of the present utility model is described in detail below with reference to the accompanying drawings, it being understood that the following description is illustrative only and is not to be construed as limiting the utility model.

Referring to fig. 1 to 8, the air conditioner 400 includes an air outlet frame member 300, the air outlet frame member 300 includes an air outlet frame 70, a door opening and closing driving assembly 200 and a door opening and closing 72, two ends of the air outlet frame 70 in the up-down direction are respectively provided with the door opening and closing driving assembly 200, two air outlets 71 spaced apart in the left-right direction are formed in the air outlet frame 70, two ends of the air outlet frame 70 in the left-right direction are respectively provided with the door opening and closing driving assembly 200, the door opening and closing driving assembly 200 includes a bracket 40, two driving motors 50, two gear assemblies 100 and two racks 60, the bracket 40 is arranged on the air outlet frame 70, the two driving motors 50 and the two racks 60 are respectively arranged on the bracket 40 in the left-right direction of the bracket 40 at intervals, guide posts 61 and rollers 62 are arranged on the racks 60, and the bracket 40 is provided with sliding grooves 41 and rolling channels 42.

As shown in fig. 9 to 18, the gear assembly 100 includes a driving gear 10, a shock pad 30, a first fixing base 21 and a second fixing base 22, and the first fixing base 21 and the second fixing base 22 are respectively located at both sides of the driving gear 10 in the up-down direction. A first shock pad 31 is arranged between the first fixed seat 21 and the driving gear 10, a first avoidance hole 311 is arranged on the first shock pad 31, the outer contour of the cross section of the first avoidance hole 311 is non-circular, the cross section of the outer peripheral wall of the first shock pad 31 is non-circular, a fixed groove 312 is arranged at the lower side of the first shock pad 31, and the outer contour of the cross section of the fixed groove 312 is non-circular; a second shock pad 32 is arranged between the second fixing seat 22 and the driving gear 10, the second shock pad 32 is annular, the radial inner end of the second shock pad 32 is provided with an annular installation folded edge 321 extending upwards, and the height of the installation folded edge 321 is greater than or equal to the thickness of the second fixing seat 22 in the up-down direction of the driving gear 10.

The upper side of the drive gear 10 is provided with a mounting part 14, the lower end surface of the drive gear 10 is provided with a connecting groove 11, the connecting groove 11 extends onto the mounting part 14, the connecting groove 11 comprises a first groove section 111 and a second groove section 112 which are communicated in sequence in the direction from bottom to top, and the inner peripheral wall of the first groove section 111 is inwards contracted to the inner peripheral wall of the second groove section 112. The lower side of the drive gear 10 is provided with a first mounting groove 12, the outer contour of the cross section of the first mounting groove 12 is non-circular, the upper side of the drive gear 10 is provided with a second mounting groove 13, the second mounting groove 13 is annular in the radial direction of the drive gear 10, and the second mounting groove 13 is positioned on the radial outer side of the mounting part 14.

The first fixing base 21 has a central shaft hole 211, the upper side of the first fixing base 21 is provided with a connecting portion 212, the cross section of the outer peripheral wall of the first fixing base 21 is non-circular, the central shaft hole 211 penetrates through the connecting portion 212, the central shaft hole 211 is opposite to the connecting groove 11, the connecting portion 212 comprises a first connecting portion 214 and a second connecting portion 215 which are connected in the direction from bottom to top, the cross section of the outer peripheral wall of the first connecting portion 214 is non-circular, the first fixing base 21 is provided with a clamping portion 213, and the second fixing base 22 is provided with a clamping hole 221.

When the door opening and closing driving assembly 200 is assembled, the first shock pad 31 is sleeved on the first connecting portion 214, the first connecting portion 214 is in interference fit with the first avoiding hole 311, the interference between the first connecting portion 214 and the first avoiding hole 311 is 0-0.2mm, the first fixing seat 21 is located in the fixing groove 312, the first shock pad 31 is installed in the first installation groove 12, and the second connecting portion 215 is located in the first groove section 111. The second shock pad 32 is installed in the second mounting groove 13, the second shock pad 32 is in interference fit with the second mounting groove 13, the interference of the second shock pad 32 and the second mounting groove 13 is 0-0.2mm, the second fixing seat 22 is arranged on the outer side of the mounting folded edge 321, the first shock pad 31, the second shock pad 32 and the driving gear 10 are arranged in a penetrating mode through the clamping portion 213, and the clamping portion 213 is matched with the clamping hole 221 to realize assembly of the gear assembly 100. The motor shafts 51 of the two driving motors 50 are respectively arranged in the central shaft hole 211 and the second groove section 112 in a penetrating way, the two racks 60 are respectively matched with the two driving gears 10, and the two switch doors 72 are respectively connected with the two racks 60, so that the assembly of the switch door driving assembly 200 is realized.

When the air conditioner 400 starts to work, the driving motor 50 controls the driving gear 10 to rotate through the motor shaft 51, the driving gear 10 rotates to drive the rack 60 matched with the driving gear 10 and the rack 60 to move on the support 40, the guide post 61 slides in the sliding groove 41, the roller 62 rolls in the rolling channel 42 and can guide the movement of the rack 60, and the switch door 72 can be driven to move through the movement of the rack 60 on the support 40, so that the switch door 72 can open or close the air outlet 71, the control requirement on the switch door 72 is met, and the control reliability is ensured. Meanwhile, vibration or abnormal sound and the like between the motor shaft 51 and the driving gear 10 can be effectively absorbed through the first shock pad 31 and the second shock pad 32, the purpose of shock absorption and noise reduction is achieved, abnormal sound in the opening process of the switch door 72 is effectively solved, and the use experience of a user is improved.

Other constructions and operations of the gear assembly 100, the door opening and closing driving assembly 200, the air outlet frame member 300, and the air conditioner 400 according to the embodiment of the present utility model are known to those skilled in the art, and will not be described in detail herein.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description herein, reference to the terms "embodiment," "specific embodiment," "example," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (22)

1. A gear assembly, comprising:

a drive gear;

the first fixing seat and the second fixing seat are respectively positioned at two sides of the axial direction of the driving gear and are connected, the first fixing seat is provided with a central shaft hole, the end face of the driving gear, which faces towards one axial end of the first fixing seat, is provided with a connecting groove, the central shaft hole is opposite to and communicated with the connecting groove, and a motor shaft of the driving motor is matched with the central shaft hole and the connecting groove;

And the damping pad is arranged between at least one of the first fixing seat and the driving gear and between the second fixing seat and the driving gear.

2. The gear assembly according to claim 1, wherein the shock pad is arranged between the first fixing seat and the driving gear and is a first shock pad, and a first avoiding hole for avoiding the motor shaft is formed in the first shock pad.

3. The gear assembly according to claim 2, wherein a connecting portion is disposed on a side of the first fixing base facing the driving gear, the central shaft hole penetrates through the connecting portion, the first shock pad is sleeved on the connecting portion, the connecting groove comprises a first groove section and a second groove section which are sequentially communicated in a direction from the first fixing base to the second fixing base, an inner peripheral wall of the first groove section is inwards contracted to an inner peripheral wall of the second groove section, the connecting portion extends into the first groove section, and the second groove section is matched with the motor shaft.

4. The gear assembly according to claim 3, wherein the outer contour of the cross section of the first avoidance hole is non-circular, in the direction from the first fixing seat to the second fixing seat, the connecting portion comprises a first connecting portion and a second connecting portion which are connected, the second connecting portion is located in the first groove section, the first shock pad is sleeved on the first connecting portion, and the cross section of the outer peripheral wall of the first connecting portion is non-circular matched with the first avoidance hole.

5. The gear assembly of claim 3, wherein the connection portion is an interference fit with the first relief hole.

6. The gear assembly of claim 5, wherein the connection has an interference with the first relief hole of 0-0.2mm.

7. The gear assembly according to claim 2, wherein a fixing groove is formed in one side, facing away from the second fixing seat, of the first shock pad, the first fixing seat is located in the fixing groove, the outer contour of the cross section of the fixing groove is non-circular, and the cross section of the peripheral wall of the first fixing seat is non-circular matched with the fixing groove.

8. The gear assembly according to claim 2, wherein a side of the driving gear facing away from the second fixing seat is provided with a first mounting groove for mounting the first shock pad, the outer contour of the cross section of the first mounting groove is non-circular, and the cross section of the outer peripheral wall of the first shock pad is non-circular matched with the first mounting groove.

9. The gear assembly of claim 1, wherein the shock pad is disposed between the second mount and the drive gear and is a second shock pad.

10. The gear assembly according to claim 9, wherein a side of the drive gear facing away from the first mount is provided with a second mounting groove for mounting the second shock pad, the second shock pad being in interference fit with the second mounting groove.

11. The gear assembly of claim 10, wherein the second shock pad has an interference with the second mounting groove of 0-0.2mm.

12. The gear assembly according to claim 10, wherein a mounting portion is provided on a side of the driving gear away from the first fixing seat, the connecting groove extends to the mounting portion, the second mounting groove is annular and is located radially outside the mounting portion in a radial direction of the driving gear, and the second shock pad is annular.

13. The gear assembly according to claim 12, wherein the radially inner end of the second shock pad is provided with an annular mounting flange extending in a direction away from the first mounting flange, the second mounting flange being located outside the mounting flange.

14. The gear assembly according to claim 13, wherein the mounting flange has a height in an axial direction of the drive gear that is equal to or greater than a thickness of the second mount.

15. The gear assembly according to claim 1, wherein the first fixing seat is provided with a clamping portion, the clamping portion penetrates through the driving gear and the shock pad, and the second fixing seat is provided with a clamping hole matched with the clamping portion.

16. A door opening and closing drive assembly, comprising:

a bracket;

the driving motor is arranged on the bracket;

the gear assembly according to any one of claims 1-15, a motor shaft of the drive motor penetrating the central shaft hole and the connecting groove;

and the rack is movably arranged on the bracket and matched with the driving gear.

17. The door opening and closing drive assembly according to claim 16, wherein the rack is provided with a guide post, the bracket is provided with a chute, and the guide post is adapted to slide in the chute.

18. The door opening and closing drive assembly according to claim 16, wherein the rack is provided with a roller, the bracket is provided with a rolling channel, and the roller is adapted to roll in the rolling channel.

19. An air out frame assembly, comprising:

the air outlet frame is provided with an air outlet;

The door opening and closing drive assembly according to any one of claims 16-18, the bracket being provided on the air outlet frame;

and the switch door is connected with the rack to open or close the air outlet.

20. The outlet frame member of claim 19 wherein the outlet frame is provided with said door opening and closing drive assemblies at both ends in the length direction.

21. The outlet frame member of claim 19 wherein the outlet is a plurality of spaced apart outlets, the switch door is a plurality of one-to-one pairs, and the drive motor, the rack and the gear assembly on the switch door drive assembly are each a plurality of one-to-one pairs.

22. An air conditioner comprising an outlet frame member as claimed in any one of claims 19 to 21.

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