CN112556153A - Rolling curtain assembly and air conditioner with same - Google Patents

Abstract

The invention provides a roller shutter assembly and an air conditioner with the same. The roller shutter assembly comprises a roller drum, the roller drum comprises a roller drum body, a concave part is formed on the outer surface of the roller drum body, the concave part extends along the axial direction of the roller drum, and a mounting opening is formed at the bottom of the concave part; one end of the roller shutter extends to the mounting opening to be fixed, and the other end of the roller shutter can be wound on the winding drum along the circumferential direction of the winding drum; the concave part is provided with a first surface and a second surface which are oppositely arranged, the first surface and the second surface are cambered surfaces, the first surface and the second surface are outwards arranged along the radial direction of the winding drum, and the distance between the first surface and the second surface is gradually increased. The one end that sets up like this and can reduce the roll screen and be close to the concave part begins along the attached on the reel that positive or reverse winding can be smooth and easy when on the reel, avoids the roll screen take place to fold the problem that causes the roll screen to damage with the reel junction.

Description

Rolling curtain assembly and air conditioner with same

Technical Field

The invention relates to the technical field of air conditioning equipment, in particular to a roller shutter assembly and an air conditioner with the same.

Background

The air conditioner with air inlet with rolling shutter mechanism has the main driving mode that the motor is matched with the gear mechanism to control the opening and closing of the rolling shutter by controlling the torque and current direction. When the roller shutter reciprocates, the roller shutter is possibly blocked in the track during pushing out, so that the local length of the roller shutter is increased to separate from the track, and the roller shutter cannot continue to advance.

Disclosure of Invention

The invention mainly aims to provide a roller shutter assembly and an air conditioner with the same, so as to solve the problem that a roller shutter is easy to damage in the prior art.

To achieve the above object, according to one aspect of the present invention, there is provided a roll screen assembly including: the winding drum comprises a winding drum body, wherein a concave part is formed on the outer surface of the winding drum body, the concave part extends along the axial direction of the winding drum, and a mounting opening is formed at the bottom of the concave part; one end of the roller shutter extends to the mounting opening to be fixed, and the other end of the roller shutter can be wound on the winding drum along the circumferential direction of the winding drum; the concave part is provided with a first surface and a second surface which are oppositely arranged, the first surface and the second surface are cambered surfaces, the first surface and the second surface are outwards arranged along the radial direction of the winding drum, and the distance between the first surface and the second surface is gradually increased.

Further, the profile of the first surface in the radial direction of the spool and the profile of the second surface in the radial direction of the spool are symmetrically arranged with respect to a geometrical center line of the mounting opening in the radial direction of the spool.

Further, the rolling shutter assembly further includes: the rolling curtain box is provided with an accommodating cavity, and the winding drum is movably arranged in the accommodating cavity; the driving part is connected with the roller shutter box and is used for driving the roller shutter to rotate forwards and reversely; spacing portion, spacing portion set up in holding the intracavity, and spacing portion has the ground with the book curtain of winding on the reel to set up apart from, when rolling up the curtain and taking off and contact with spacing portion along the first direction from the reel, and the book curtain of taking off when the power of applying to spacing portion reaches the default, the drive division stops to drive the reel and rotates, perhaps, the drive division drive reel rotates along the second direction opposite with the first direction.

Further, spacing portion includes spacing muscle, and spacing muscle sets up in holding the intracavity, and the orientation reel one side of spacing muscle is the arc structure.

Further, spacing muscle is a plurality of, and a plurality of spacing muscle sets up along the axial interval of reel.

Furthermore, the top of the roller shutter box is provided with an opening, the roller shutter enters or moves out of the accommodating cavity through the opening, the roller shutter box is provided with a roller, the roller is positioned above the roller shutter, and the outer periphery of the roller is pressed on the roller shutter.

Furthermore, the number of the rollers is at least two, and the rollers are pairwise arranged at the opening.

Further, the rolling shutter assembly further includes: the support shaft is rotatably connected with the roller shutter box and is used for supporting the roller shutter.

Further, the number of the rolling curtain boxes is two, at least one rolling curtain box is provided with a driving part for driving the winding drum to rotate, the winding drum is arranged in each rolling curtain box, one end of the rolling curtain is connected with the winding drum in one rolling curtain box, the other end of the rolling curtain is connected with the winding drum in the other rolling curtain box, the driving part can drive the winding drum to enable the rolling curtain to be fully distributed between the two rolling curtain boxes, or the driving part can drive the winding drum to enable the rolling curtain to be stored in one rolling curtain box.

Furthermore, the winding drum body is provided with a fixing hole, the fixing hole is positioned between the first surface and the geometric center of the winding drum body, part of the roller shutter extends into the fixing hole, and a locking piece for fixing the roller shutter is arranged in the fixing hole.

Further, the profile of the arcuate structure is concentrically disposed with the mandrel.

According to another aspect of the present invention, there is provided an air conditioner including a roll screen assembly as described above.

By applying the technical scheme of the invention, the concave part is arranged in the circumferential direction of the winding drum, one end of the roller shutter is fixed at the bottom of the concave part, and the first surface and the second surface which are oppositely arranged of the concave part are provided with the cambered surfaces, so that the problem that the roller shutter is damaged due to the fact that the roller shutter is folded at the joint of the roller shutter and the winding drum can be solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic structural view of a first embodiment of a roller shutter assembly according to the present invention;

FIG. 2 shows a schematic structural view of a second embodiment of a roller shutter assembly according to the present invention;

FIG. 3 shows a schematic structural view of a third embodiment of a roller shutter assembly according to the present invention;

FIG. 4 shows a schematic structural view of a fourth embodiment of a roller shutter assembly according to the present invention;

FIG. 5 shows a schematic structural view of a fifth embodiment of a roller shutter assembly according to the present invention;

FIG. 6 shows a schematic structural view of a sixth embodiment of a roller shutter assembly according to the present invention;

FIG. 7 shows a schematic construction of a seventh embodiment of a roller shutter assembly according to the invention;

FIG. 8 shows a schematic structural view of an eighth embodiment of a roller shutter assembly according to the present invention;

fig. 9 shows a schematic structural view of a ninth embodiment of a roll screen assembly according to the present invention.

Wherein the figures include the following reference numerals:

10. a reel; 11. a spool body; 111. a fixing hole;

12. a recess; 121. a first surface; 122. a second surface;

20. rolling a curtain;

30. a roller shutter box; 31. an accommodating chamber;

40. a drive section;

50. a limiting part;

60. a roller;

70. a support shaft;

80. and a locking member.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 to 9, according to an embodiment of the present application, there is provided a roll screen assembly.

As shown in fig. 1, the roller blind assembly includes a roller tube 10 and a roller blind 20. The spool 10 includes a spool body 11, and a recess 12 is formed on an outer surface of the spool body 11. The recess 12 extends in the axial direction of the spool 10, and a mounting opening 13 is formed in the bottom of the recess 12. One end of the roll screen 20 extends to the mounting opening 13 for fixing, and the other end of the roll screen 20 can be wound on the winding drum 10 along the circumferential direction of the winding drum 10. Wherein the recess 12 has a first surface 121 and a second surface 122 arranged opposite. The first surface 121 and the second surface 122 are both cambered surfaces, and outward in the radial direction of the roll 10, the distance between the first surface 121 and the second surface 122 is gradually increased.

In this embodiment, through the circumference at the reel set up the recess to fix the one end of rolling up the curtain in the bottom department of recess, and set up the mode of cambered surface with the relative first surface and the second surface that set up of recess, set up like this and can reduce the one end that the rolling up the curtain is close to the recess and begin along the attached on the reel that forward or reverse winding can be smooth and easy when on the reel, avoid rolling up the curtain and taking place the folding problem that causes the rolling up the curtain to damage with the reel junction.

Further, the profile of the first surface 121 in the radial direction of the spool 10 and the profile of the second surface 122 in the radial direction of the spool 10 are symmetrically arranged with respect to the geometric center line of the mounting port 13 in the radial direction of the spool 10. The arrangement is such that the winding of the roller blind can be smoothly achieved whether the roller is forward or reverse. Wherein, as shown in fig. 2, the rolling screen rotates clockwise along with the forward rotation of the winding drum at this moment, as shown in fig. 4, the rolling screen rotates counterclockwise along with the reverse rotation of the winding drum at this moment, wherein, no matter in forward direction or reverse direction, because two guide surfaces of the concave part are arranged into the structure of the cambered surface, included angles beta 1 and beta 2 formed between the rolling screen and the guide surfaces are both smaller than 90 degrees, the condition of sending the folding at this position can be avoided, and the reliability of the rolling screen assembly is improved.

Specifically, as shown in fig. 5, the roll screen assembly further includes a roll screen box 30, a driving part 40, and a stopper part 50. The roll screen box 30 has a housing chamber 31. The spool 10 is movably disposed in the accommodating chamber 31. The driving part 40 is connected to the roll screen cartridge 30, and the driving part 40 is used to drive the roll screen 20 to rotate in the forward direction and the reverse direction. The stopper 50 is disposed in the accommodating chamber 31. The stopper 50 is disposed at a distance from the roll screen 20 wound on the drum 10. When the rolling screen 20 is released from the winding drum 10 in a first direction and contacts with the position-limiting portion 50, and the force applied to the position-limiting portion 50 by the released rolling screen reaches a preset value, the driving portion 40 stops driving the winding drum 10 to rotate, or the driving portion 40 drives the winding drum 10 to rotate in a second direction opposite to the first direction. Wherein, can set up pressure sensors in rolling up the detection that the curtain box was inside to realize power, also can realize detecting the power between spool and the spacing portion through the drive power that detects the motor, can avoid rolling up the curtain like this and appear derailing or chucking when a certain point in the removal in-process, the motor still lasts the drive reel and rotates and cause to roll up the curtain pine and take off and cause the folding condition.

As shown in fig. 5 to 7, the limiting portion 50 includes a limiting rib, the limiting rib is disposed in the accommodating cavity 31, and one side of the limiting rib facing the winding drum 10 is of an arc structure. The reliability of the limiting rib can be improved by the arrangement.

Preferably, the limiting rib is a plurality of limiting ribs, and the plurality of limiting ribs are arranged at intervals along the axial direction of the winding drum 10.

Further, the rolling shutter box 30 has an opening at the top, the rolling shutter 20 enters or moves out of the accommodating cavity 31 through the opening, the rolling shutter box 30 is provided with a roller 60, the roller 60 is located above the rolling shutter 20, and the outer periphery of the roller 60 is pressed on the rolling shutter 20. This arrangement can reduce the rattling of the roller shutter during the movement.

Preferably, the rollers 60 are at least two, and the rollers 60 are provided in pairs at the opening. As shown in fig. 8, the rollers 60 are two, and the two rollers 60 are located at opposite edges of the roll screen, respectively.

As shown in fig. 8, the rolling shutter assembly further includes a support shaft 70. The support shaft 70 is rotatably coupled to the roll screen housing 30, and the support shaft 70 supports the roll screen 20. This arrangement provides a roller 60 and a support shaft 70 to limit the shaking of the roller, and the support shaft 70 improves the smooth movement of the roller.

The two rolling curtain boxes 30 are provided, at least one rolling curtain box 30 is provided with a driving part 40 for driving the rolling curtain 10 to rotate, the rolling curtain 10 is arranged in each rolling curtain box 30, one end of the rolling curtain 20 is connected with the rolling curtain 10 in one rolling curtain box 30, the other end of the rolling curtain 20 is connected with the rolling curtain 10 in the other rolling curtain box 30, the driving part 40 can drive the rolling curtain 10 to enable the rolling curtain 20 to be fully distributed between the two rolling curtain boxes 30, or the driving part 40 can drive the rolling curtain 10 to enable the rolling curtain 20 to be stored in one rolling curtain box 30. This arrangement can improve the reliability and stability of the roller shutter assembly.

In order to improve the installation stability of the roll screen, the roll body 11 is provided with a fixing hole 111, the fixing hole 111 is located between the first surface 121 and the second surface 122 and the geometric center of the roll body 11, a part of the roll screen 20 extends into the fixing hole 111, and a locking member 80 for fixing the roll screen 20 is provided in the fixing hole 111. Wherein the locking member 80 may be a screw, and the driving part may be a motor.

The roller shutter assembly in the above embodiments may also be used in the technical field of air conditioning equipment, that is, according to another aspect of the present invention, there is provided an air conditioner including the roller shutter assembly, wherein the roller shutter assembly is the roller shutter assembly described above. Wherein, roll up the curtain subassembly and can set up the wind gap position department at the indoor set, roll up the curtain through control, can make to roll up the curtain and have the position of sheltering from that shelters from the wind gap to and make to roll up the curtain and have the position of dodging the wind gap.

Specifically, the winding drum and the roller shutter of the conventional scheme are matched on one side through screws or bonding modes, the roller shutter is wound along the winding drum from the connecting position, when the air opening is closed, the roller shutter advances to the opposite side of the air opening, the head of the roller shutter lightly touches a micro switch, a signal is transmitted to a main board, and the main board controls a motor to stop rotating or is switched to rotate reversely. The direction of rotation of the motor is determined by the position actually reached by the roller blind. When rolling up a curtain motion and being obstructed, the wheel components card dies in the guide rail, and the motor can not receive stop rotation's signal this moment, can rotate along former direction always, and when rolling up a curtain length and rotate to the end, it can be folding back reverse winding, rolls up a curtain and also winds to the reel downside from the reel upside and get into a roll curtain box, and the folding 360 folding of being of here, roll up a curtain and be plastics PET diaphragm, easy fracture.

This application is the winding structure of the equal smooth transition of anticlockwise and clockwise with the reel design, sets up the concave part at the reel center and forms the groove structure, will roll up curtain insertion groove middle part position, and the fix with screw, the positive reverse winding route symmetrical design of roll curtain, the route that passes through all designs into big fillet structure, makes the slow transition. No matter whether the roller shutter normally operates, the bending angles of all the positions are smaller than 90 degrees, and the plastic membrane cannot be broken due to large-angle bending.

The rolling curtain box is designed to be an anti-rolling curtain with a limiting structure to rotate reversely. A limiting rib which is concentric with the winding drum, namely the molded line of the arc-shaped structure is added in the roller shutter box and is concentric with the winding drum 10. The gap between the rolling curtain and the single edge of the outermost layer is 2-4 mm. The roller shutter motion of front end is obstructed, and the last roller shutter of reel can loosen gradually and take off (like the state of fig. 7), nevertheless receives the restriction of the spacing rib of this place, and the roller shutter can't continue to loosen and take off the output, and outermost roller shutter and the extrusion of spacing rib medial surface, friction force the rotation of reel to stop, and the motor is locked-rotor. The main board is preset with control logic to make the motor automatically rotate reversely after several seconds, and the roller shutter is recovered along the original path to enter the next round of reciprocating motion.

When the roller shutter enters the guide rail from the roller shutter box, the rotation stress direction of the roller shutter is tangent to the diameter direction of the winding drum, an upward component exists after the resultant force is decomposed, the upward component and the vertical downward gravity act together, so that the roller shutter is mainly pulled downwards by the gravity at a certain moment, the vertical component of the tangential force pushed out by the motor is mainly pulled upwards at a certain moment, the roller shutter tends to shake up and down, and the shaking intensity is related to the angle and the angular speed of the roller shutter entering the guide rail and the self weight of the roller shutter. Because the plastic roller shutter is easy to generate violent sound when patted with the guide rail, the user experience is influenced, and the roller shutter is also abraded to a certain extent, an upper roller and a lower roller are arranged, the direction of the roller shutter entering the guide rail is corrected to be horizontal, so that component force in the vertical direction is not generated, and the hidden trouble of vertical shaking is eliminated. The gyro wheel is at the specific inslot rotation of roll up curtain lid and roll up the curtain box, and the gyro wheel passes through the buckle to be fixed with roll up curtain lid and roll up the curtain box, and the actual quantity that sets up is confirmed with roll up the curtain actual motion condition.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. A roller shade assembly, comprising:

the winding drum (10) comprises a winding drum body (11), a concave part (12) is formed on the outer surface of the winding drum body (11), the concave part (12) extends along the axial direction of the winding drum (10), and a mounting opening (13) is formed at the bottom of the concave part (12);

one end of the rolling curtain (20) extends to the mounting opening (13) for fixing, and the other end of the rolling curtain (20) can be wound on the winding drum (10) along the circumferential direction of the winding drum (10);

wherein the recess (12) has a first surface (121) and a second surface (122) arranged opposite to each other, the first surface (121) and the second surface (122) are both cambered surfaces, and are arranged with a distance between the first surface (121) and the second surface (122) gradually increasing outwards in a radial direction of the reel (10).

2. The roller shutter assembly according to claim 1, characterized in that the profile of the first surface (121) in the radial direction of the roller tube (10) and the profile of the second surface (122) in the radial direction of the roller tube (10) are arranged symmetrically with respect to a geometric center line of the mounting opening (13) in the radial direction of the roller tube (10).

3. The roller shade assembly of claim 1, further comprising:

the roller shutter box (30), the roller shutter box (30) has a containing cavity (31), and the winding drum (10) is movably arranged in the containing cavity (31);

a driving part (40), wherein the driving part (40) is connected with the roller shutter box (30), and the driving part (40) is used for driving the roller shutter (20) to rotate in the forward direction and the reverse direction;

spacing portion (50), spacing portion (50) set up in hold in the chamber (31), spacing portion (50) with twine on reel (10) roll up curtain (20) have and set up apart from, work as roll up curtain (20) follow first direction follow take off on reel (10) and with spacing portion (50) contact, and the roll curtain that takes off to when spacing portion (50) applied force reaches the default, drive division (40) stop drive reel (10) rotate, perhaps, drive division (40) drive reel (10) are along with first direction opposite second direction rotates.

4. The roller shutter assembly according to claim 3, wherein the limiting portion (50) comprises a limiting rib, the limiting rib is disposed in the accommodating cavity (31), and a side of the limiting rib facing the winding drum (10) is of an arc structure.

5. Shutter assembly according to claim 4, characterized in that the retaining rib is plural and is arranged at intervals in the axial direction of the drum (10).

6. The roller blind assembly according to claim 3, characterized in that the top of the roller blind box (30) has an opening through which the roller blind (20) enters or exits the accommodating chamber (31), a roller (60) is arranged on the roller blind box (30), the roller (60) is located above the roller blind (20), and the outer periphery of the roller (60) is pressed on the roller blind (20).

7. The blind assembly of claim 6 wherein said rollers (60) are at least two, said rollers (60) being disposed in pairs at said opening.

8. The roller shade assembly of claim 3, further comprising:

a support shaft (70), the support shaft (70) rotationally with roll up curtain box (30) and be connected, support shaft (70) are used for supporting roll up curtain (20).

9. The rolling screen assembly according to claim 3, wherein the rolling screen boxes (30) are two, at least one rolling screen box (30) is provided with the driving part (40) for driving the winding drum (10) to rotate, the winding drum (10) is arranged in each rolling screen box (30), one end of the rolling screen (20) is connected with the winding drum (10) in one rolling screen box (30), the other end of the rolling screen (20) is connected with the winding drum (10) in the other rolling screen box (30), the driving part (40) can drive the winding drum (10) to enable the rolling screen (20) to be fully covered between the two rolling screen boxes (30), or the driving part (40) can drive the winding drum (10) to enable the rolling screen (20) to be stored in one rolling screen box (30).

10. The roller shade assembly of claim 1,

the winding drum is characterized in that a fixing hole (111) is formed in the winding drum body (11), the fixing hole (111) is located between the first surface (121) and the second surface (122) and the geometric center of the winding drum body (11), part of the rolling curtain (20) extends into the fixing hole (111), and a locking piece (80) used for fixing the rolling curtain (20) is arranged in the fixing hole (111).

11. Shutter assembly according to claim 4, characterized in that the profile of the arc-shaped structure is arranged concentrically to the roller tube (10).

12. An air conditioner comprising a roller blind assembly, wherein said roller blind assembly is as claimed in any one of claims 1 to 11.

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