CN112594908B - Rolling mechanism and air conditioner - Google Patents
Rolling mechanism and air conditioner Download PDFInfo
- Publication number
- CN112594908B CN112594908B CN202011429882.5A CN202011429882A CN112594908B CN 112594908 B CN112594908 B CN 112594908B CN 202011429882 A CN202011429882 A CN 202011429882A CN 112594908 B CN112594908 B CN 112594908B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000005096 rolling process Methods 0.000 title description 5
- 238000004804 winding Methods 0.000 claims abstract description 124
- 230000009471 action Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention provides a roller shutter mechanism and an air conditioner, wherein the roller shutter mechanism comprises a first rotating part, a second rotating part, a winding part and a constant force structure, and the first rotating part is rotatably arranged; the second rotating part is rotatably arranged and is spaced from the first rotating part; one end of the winding part is connected with the first rotating part, and the other end of the winding part is connected with the second rotating part; the constant force structure comprises a coil spring, the coil spring comprises a first winding section and a second winding section which are wound in opposite directions, the winding center line of the first winding section and the winding center line of the second winding section are arranged in parallel, the first winding section and the second rotating part are matched to apply constant torque to the second rotating part, and the acting direction of the constant torque is the direction for enabling the winding part to wind towards the second rotating part. By adopting the scheme, the flatness of the winding part is ensured, the stress of the winding part cannot be changed due to the moving position of the winding part, and the smooth movement of the winding part is realized.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a roller shutter mechanism and an air conditioner.
Background
Most air inlets and air outlets of air conditioners in the market are not completely sealed, the air inlets and the air outlets of the whole air conditioners are communicated and contacted with the outside in a non-running state, dust and foreign matters in the air easily enter the air conditioners, so that internal dirt is caused, the heat exchange efficiency and the health of consumers of the air conditioners are influenced, and the gaps of the air outlets also influence the integrity of the appearance.
In order to avoid the influence on the appearance of the air conditioner when opening or closing the air opening, a roll blind mechanism in which a winding portion opens or closes the air opening by being wound and unwound is employed in the related art. However, since the air outlet of the air conditioner is generally horizontally arranged, the winding portion is relatively flexible, and the winding portion is not smooth enough and difficult to ensure flatness during operation.
Disclosure of Invention
The invention provides a roller shutter mechanism and an air conditioner, which aim to realize smooth movement of a winding part and ensure the flatness of the winding part.
In order to achieve the above object, according to one aspect of the present invention, there is provided a roll screen mechanism including: a first rotating part rotatably provided; a second rotating portion rotatably provided, the second rotating portion being spaced apart from the first rotating portion; a winding part, one end of which is connected with the first rotating part and the other end of which is connected with the second rotating part; the constant force structure comprises a coil spring, the coil spring comprises a first winding section and a second winding section which are wound in opposite directions, a winding center line of the first winding section and a winding center line of the second winding section are arranged in parallel, the first winding section is matched with the second rotating part to apply constant torque to the second rotating part, and the acting direction of the constant torque is the direction of enabling the winding part to wind the second rotating part.
Further, the constant force structure further includes: the first winding drum is sleeved on the second rotating part, and the first winding section is wound on the first winding drum; a second spool on which the second winding length is wound.
Further, first reel is including dismantling last casing and the lower casing of connection, go up the casing with have the pilot hole down between the casing, have first spacing face on the inner wall of pilot hole, the second portion of rotating has the spacing face of second, the second portion of rotating passes the pilot hole, the spacing face of second with the spacing face cooperation of second.
Further, the second winding drum comprises a cylinder and two flanges arranged on the cylinder at intervals, the second winding section is wound on the cylinder, and the second winding section is located between the two flanges.
Further, the constant force structure further includes: the first winding drum and the second winding drum are both positioned in the mounting box; the first bearing is arranged in the mounting box, and the second winding drum is matched with the first bearing.
Further, the second rotation portion includes the pivot, the pivot passes first reel with the mounting box, the constant force structure is still including setting up second bearing in the mounting box, the second bearing with the pivot cooperation.
Further, the winding part comprises a roller shutter and a pull rope which are connected with each other, one end of the roller shutter is connected with the first rotating part, and one end of the pull rope is connected with the second rotating part.
Further, the second rotating portion includes: the rotating shaft is matched with the first winding section; and the wire guide wheel is sleeved on the rotating shaft, and the pull rope is wound on the wire guide wheel.
Further, the roller shutter mechanism further includes: the frame is provided with an air port, and the winding part is used for covering or avoiding the air port; a first fixing box disposed at one end of the frame, the first rotating part being disposed in the first fixing box; and the second fixed box is arranged at the other end of the frame, and the second rotating part is arranged in the second fixed box.
According to another aspect of the present invention, there is provided an air conditioner including the above-described rolling shutter mechanism.
The technical scheme of the invention is applied, and the roller shutter mechanism comprises a first rotating part, a second rotating part, a winding part and a constant force structure, wherein the first rotating part is rotatably arranged; the second rotating part is rotatably arranged and is spaced from the first rotating part; one end of the winding part is connected with the first rotating part, and the other end of the winding part is connected with the second rotating part; the constant force structure comprises a coil spring, the coil spring comprises a first winding section and a second winding section which are wound in opposite directions, the winding center line of the first winding section and the winding center line of the second winding section are arranged in parallel, the first winding section and the second rotating part are matched to apply constant torque to the second rotating part, and the acting direction of the constant torque is the direction for enabling the winding part to wind towards the second rotating part. By adopting the scheme, the second rotating part exerts constant pulling force on the winding part through the torque action of the coil spring on the second rotating part in the constant force structure, so that the flatness of the winding part is ensured, and the stress of the winding part cannot change due to the change of the moving position of the winding part, so that the smooth movement of the winding part is realized.
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 is a schematic structural diagram of a roller shutter mechanism provided by an embodiment of the present invention;
fig. 2 shows a cross-sectional view of the constant force structure and the second rotating part of fig. 1;
FIG. 3 shows an exploded view of the structure of FIG. 2;
fig. 4 shows an enlarged view of part of the components in fig. 3.
Wherein the figures include the following reference numerals:
10. a first rotating section; 20. a second rotating part; 21. a second limiting surface; 22. a rotating shaft; 23. a wire guide wheel; 30. a winding section; 40. a constant force structure; 41. a first winding section; 42. a second winding section; 43. a first reel; 431. an upper housing; 432. a lower housing; 44. a second reel; 441. a cylinder; 442. blocking edges; 45. mounting a box; 46. a first bearing; 47. a second bearing; 50. a first stationary box; 60. a second stationary box.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, an embodiment of the present invention provides a roll screen mechanism including: a first rotating part 10 rotatably provided; a second rotating part 20 rotatably provided, the second rotating part 20 being spaced apart from the first rotating part 10; a winding part 30, one end of the winding part 30 is connected with the first rotating part 10, and the other end of the winding part 30 is connected with the second rotating part 20; the constant force structure 40, the constant force structure 40 includes a coil spring, the coil spring includes a first winding section 41 and a second winding section 42 which are oppositely wound, a winding center line of the first winding section 41 and a winding center line of the second winding section 42 are arranged in parallel, the first winding section 41 and the second rotating portion 20 cooperate to apply a constant torque to the second rotating portion 20, and the acting direction of the constant torque is a direction in which the winding portion 30 is wound toward the second rotating portion 20. Wherein a part of the winding part 30 is wound around the first rotating part 10 and/or the second rotating part 20.
In this roller shutter mechanism, the first rotating portion 10 rotates while the second rotating portion 20 rotates synchronously, so that the winding portion 30 is wound around the first rotating portion 10 or the second rotating portion 20. Specifically, in the case of normal rotation of the first rotating portion 10, the winding portion 30 is unwound from the first rotating portion 10 and wound onto the second rotating portion 20 under the pulling force of the constant-force structure 40; when the first rotating portion 10 is reversely rotated, the winding portion 30 is unwound from the second rotating portion 20 against the pulling force of the constant force structure 40 and is wound around the first rotating portion 10.
By adopting the scheme, the second rotating part 20 applies constant pulling force to the winding part 30 through the torque action of the coil spring in the constant force structure 40 on the second rotating part 20, so that the flatness of the winding part 30 is ensured, the stress of the winding part 30 cannot be changed due to the moving position of the winding part 30, and the smooth movement of the winding part 30 is realized.
In the present embodiment, the constant force structure 40 further includes: a first reel 43 fitted around the second rotating portion 20, the first winding section 41 being wound around the first reel 43; a second reel 44, the second winding length 42 being wound on the second reel 44. The first winding drum 43 is fixedly connected with the second rotating part 20, and the first winding section 41 applies torque to the second rotating part 20 through the first winding drum 43.
In this embodiment, the first reel 43 includes an upper housing 431 and a lower housing 432 detachably connected, a fitting hole is provided between the upper housing 431 and the lower housing 432, a first limiting surface is provided on an inner wall of the fitting hole, the second rotating part 20 has a second limiting surface 21, the second rotating part 20 passes through the fitting hole, and the second limiting surface 21 is matched with the second limiting surface 21. Set up first reel 43 as the components of a whole that can function independently structure, can be convenient for connect first reel 43 and second rotating part 20, through the cooperation of second spacing face 21 and second spacing face 21, realized that first reel 43 and second rotating part 20's circumference is spacing. Optionally, the second rotating portion 20 further has a stop surface, which abuts against an end surface of the first winding drum 43 for axial limiting.
Optionally, the first winding barrel 43 includes a barrel body and a limiting member disposed on the barrel body, the first winding section 41 is wound on the barrel body, and the limiting member is in limiting fit with the first winding section 41. The first winding section 41 and the cylinder are circumferentially fixed by a limiting member.
Optionally, the first winding section 41 has an opening, the limiting member includes a stopper and a baffle, the stopper is disposed on the barrel, the stopper passes through the opening, the baffle is connected to the stopper, the baffle is larger than the opening, and the baffle cooperates with the first winding section 41. Thus, the first winding section 41 and the first winding drum 43 are reliably connected through the matching of the limiting member and the first winding section 41, and the assembly is convenient.
In the present embodiment, the second winding drum 44 includes a cylindrical body 441 and two ribs 442 spaced apart from the cylindrical body 441, and the second winding section 42 is wound around the cylindrical body 441, and the second winding section 42 is located between the two ribs 442. The second winding section 42 can be limited by the two ribs 442, and the second winding section 42 is prevented from moving freely. The post 441 is fixedly connected to an end of the second winding section 42.
In the present embodiment, the constant force structure 40 further includes: the mounting box 45, the first winding drum 43 and the second winding drum 44 are positioned in the mounting box 45; and a first bearing 46 arranged in the mounting box 45, and the second winding drum 44 is matched with the first bearing 46. The mounting box 45 serves to limit and protect the first reel 43 and the second reel 44, and the rotational resistance of the second reel 44 can be reduced by the first bearing 46. Optionally, the mounting box 45 includes upper and lower boxes that are removably connected to facilitate assembly.
In this embodiment, the second rotating portion 20 includes a rotating shaft 22, the rotating shaft 22 passes through the first winding drum 43 and the mounting box 45, the constant force structure 40 further includes a second bearing 47 disposed in the mounting box 45, and the second bearing 47 is engaged with the rotating shaft 22. The constant force structure 40 applies a constant torque to the rotating shaft 22. The rotational resistance of the rotary shaft 22 can be reduced by the second bearing 47.
In the present embodiment, the winding part 30 includes a roll screen and a pull cord connected to each other, one end of the roll screen is connected to the first rotating part 10, and one end of the pull cord is connected to the second rotating part 20. The pull rope is used for pulling the roller shutter to move. This roll up curtain mechanism is applied to in the air conditioner, rolls up the wind gap that the curtain plugged up the air conditioner under the condition of expandeing to inside avoiding dust etc. to get into the air conditioner, roll up the curtain and dodge the wind gap under the condition of curling up, the air-out is opened to the wind gap like this.
In the present embodiment, the second rotating portion 20 includes: the rotating shaft 22, the rotating shaft 22 and the first winding section 41 are matched; and the wire guide wheel 23 is sleeved on the rotating shaft 22, and the pull rope is wound on the wire guide wheel 23. The wire guide wheel 23 winds the pulling rope to realize the wire winding and wire releasing of the pulling rope. Optionally, the guide pulley 23 has an annular groove therein for receiving the pull cord. The rotating shaft 22 is provided with a limiting plane, and the wire guide wheel 23 is matched with the limiting plane to realize circumferential limiting.
In this embodiment, the roller shutter mechanism further includes: a frame having a tuyere, the winding part 30 for covering or avoiding the tuyere; a first stationary box 50 provided at one end of the frame, the first rotating part 10 being provided in the first stationary box 50; and a second stationary box 60 provided at the other end of the frame, and the second rotating part 20 is provided in the second stationary box 60. The arrangement and assembly of the various components are facilitated by the above arrangement. The roller shutter mechanism further comprises a drive part which is in driving connection with the first rotation part 10. In this scheme, adopt a drive division can realize the cooperation of two rotation portions, simple structure is with low costs.
Another embodiment of the present invention provides an air conditioner, which includes the above rolling shutter mechanism. By adopting the scheme, the second rotating part 20 applies constant pulling force to the winding part 30 through the torque action of the coil spring in the constant force structure 40 on the second rotating part 20, so that the flatness of the winding part 30 is ensured, the stress of the winding part 30 cannot be changed due to the moving position of the winding part 30, and the smooth movement of the winding part 30 is realized. The air opening of the air conditioner is opened and closed through the rolling curtain mechanism, and the appearance of the air conditioner is not influenced.
The invention solves the key problem of closing the air inlet and the air outlet of the air conditioner, provides possibility for the roller shutter mechanism to be used on the air conditioner, changes the current situation of the existing air conditioner, enhances the appearance integrity of the air conditioner and improves the experience effect of consumers; the closing of the air inlet and the air outlet can prevent dust and foreign matters in the air from easily entering the air conditioner to cause internal contamination, and can improve the heat exchange efficiency of the air conditioner and the health of consumers.
The constant force structure 40 is used for providing a pulling force for the roller shutter to realize the flatness of the roller shutter at the wind inlet of the closed air conditioner aiming at the flexible roller shutter, and simultaneously, the constant force structure 40 is ensured to be constant regardless of the movement distance and time of the roller shutter to the pulling force of the roller shutter, the constant force function is to prevent the roller shutter from being failed due to the influence on the driving of a motor along with the increase of the movement distance of the roller shutter in the operation process, and the reliable operation of the air conditioner is ensured.
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 (5)
1. A roller shutter mechanism, comprising:
a first rotating section (10) rotatably provided;
a second rotating portion (20) rotatably provided, the second rotating portion (20) being spaced apart from the first rotating portion (10);
a winding part (30), one end of the winding part (30) is connected with the first rotating part (10), and the other end of the winding part (30) is connected with the second rotating part (20);
a constant force structure (40), wherein the constant force structure (40) comprises a coil spring, the coil spring comprises a first winding section (41) and a second winding section (42) which are oppositely wound, a winding center line of the first winding section (41) and a winding center line of the second winding section (42) are arranged in parallel, the first winding section (41) and the second rotating part (20) are matched to apply a constant torque to the second rotating part (20), and the action direction of the constant torque is a direction that the winding part (30) winds towards the second rotating part (20);
wherein the second rotating part (20) rotates synchronously when the first rotating part (10) rotates, so that the winding part (30) winds on the first rotating part (10) or the second rotating part (20);
the constant force structure (40) further comprises: a first reel (43) fitted around the second rotating portion (20), the first winding section (41) being wound around the first reel (43); a second reel (44), said second winding section (42) being wound on said second reel (44);
the first winding drum (43) comprises an upper shell (431) and a lower shell (432) which are detachably connected, a mounting hole is formed between the upper shell (431) and the lower shell (432), a first limiting surface is arranged on the inner wall of the mounting hole, the second rotating part (20) is provided with a second limiting surface (21), the second rotating part (20) penetrates through the mounting hole, and the second limiting surface (21) is matched with the first limiting surface;
the constant force structure (40) further comprises: a mounting box (45), the first reel (43) and the second reel (44) being located within the mounting box (45); a first bearing (46) disposed within the mounting box (45), the second spool (44) cooperating with the first bearing (46);
the winding part (30) comprises a roller shutter and a pull rope which are connected with each other, one end of the roller shutter is connected with the first rotating part (10), and one end of the pull rope is connected with the second rotating part (20); the second rotating portion (20) includes: a spindle (22), said spindle (22) cooperating with said first winding section (41); and the wire guide wheel (23) is sleeved on the rotating shaft (22), and the pull rope is wound on the wire guide wheel (23).
2. The blind mechanism of claim 1 wherein said second spool (44) includes a cylindrical body (441) and two flanges (442) spaced apart on said cylindrical body (441), said second wound section (42) being wound on said cylindrical body (441), said second wound section (42) being located between said two flanges (442).
3. The blind mechanism of claim 1, wherein the second rotary part (20) includes a rotary shaft (22), the rotary shaft (22) passing through the first winding drum (43) and the mounting box (45), the constant force structure (40) further including a second bearing (47) disposed in the mounting box (45), the second bearing (47) cooperating with the rotary shaft (22).
4. The roller shade mechanism of claim 1, further comprising:
a frame having a tuyere, the winding part (30) being for covering or avoiding the tuyere;
a first fixed case (50) provided at one end of the frame, the first rotating portion (10) being provided inside the first fixed case (50);
and a second fixed box (60) provided at the other end of the frame, the second rotating portion (20) being provided in the second fixed box (60).
5. An air conditioner characterized in that it comprises a roller shutter mechanism according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011429882.5A CN112594908B (en) | 2020-12-09 | 2020-12-09 | Rolling mechanism and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011429882.5A CN112594908B (en) | 2020-12-09 | 2020-12-09 | Rolling mechanism and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112594908A CN112594908A (en) | 2021-04-02 |
| CN112594908B true CN112594908B (en) | 2021-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011429882.5A Active CN112594908B (en) | 2020-12-09 | 2020-12-09 | Rolling mechanism and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112594908B (en) |
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| JPS63234116A (en) * | 1987-03-23 | 1988-09-29 | Onoda Eng Kk | Measuring instrument for loadage of powder or the like on vehicle |
| JPH05332604A (en) * | 1992-06-04 | 1993-12-14 | Sharp Corp | Wind direction regulating device for air conditioner |
| JP2622665B2 (en) * | 1993-09-03 | 1997-06-18 | 三光発条株式会社 | Constant load spring device |
| JP3093589B2 (en) * | 1994-10-24 | 2000-10-03 | キヤノン株式会社 | Endless film shift prevention mechanism |
| CN2804351Y (en) * | 2005-06-29 | 2006-08-09 | 李凯 | Shutter with constant tension |
| JP2007132610A (en) * | 2005-11-11 | 2007-05-31 | Hitachi Appliances Inc | Air conditioner |
| CN101314447A (en) * | 2007-05-31 | 2008-12-03 | 上海协力卷簧制造有限公司 | Inversely winding type constant-force spring mechanism |
| CN201121078Y (en) * | 2007-08-27 | 2008-09-24 | 黄健 | Wind spring apparatus of pipeline coiler |
| JP5320368B2 (en) * | 2010-10-01 | 2013-10-23 | セイコークロック株式会社 | clock |
| CN203035060U (en) * | 2012-12-17 | 2013-07-03 | 天津开发区陆成工贸有限公司 | Abat vent |
| CN204404480U (en) * | 2014-12-11 | 2015-06-17 | 苏州三星电子有限公司 | There is the air-conditioning of dustproof construction |
| CN205876133U (en) * | 2016-07-25 | 2017-01-11 | 苏州鸿仁窗饰有限公司 | Extendible (window) curtain |
| US10926576B2 (en) * | 2017-09-21 | 2021-02-23 | Comsero Inc. | Retractable boundary apparatus and system |
| CN107654178A (en) * | 2017-10-31 | 2018-02-02 | 李七妹 | A kind of rope drum mechanism and the curtain using the rope drum mechanism |
| CN211119864U (en) * | 2019-12-12 | 2020-07-28 | 湖南省康普通信技术有限责任公司 | U-shaped air inlet machine of automatic rolling fresh air system |
| CN211977192U (en) * | 2020-04-28 | 2020-11-20 | 珠海格力电器股份有限公司 | Air port assembly and air conditioner |
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| CN211977229U (en) * | 2020-04-30 | 2020-11-20 | 广东美的制冷设备有限公司 | Door body assembly and air conditioner with same |
| CN111735197A (en) * | 2020-07-29 | 2020-10-02 | 珠海格力电器股份有限公司 | Reel subassembly and have its indoor set |
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2020
- 2020-12-09 CN CN202011429882.5A patent/CN112594908B/en active Active
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