CN109267708B - Sequential type folding and unfolding device for outdoor roof sun-shading shutter - Google Patents
Sequential type folding and unfolding device for outdoor roof sun-shading shutter Download PDFInfo
- Publication number
- CN109267708B CN109267708B CN201811281961.9A CN201811281961A CN109267708B CN 109267708 B CN109267708 B CN 109267708B CN 201811281961 A CN201811281961 A CN 201811281961A CN 109267708 B CN109267708 B CN 109267708B
- Authority
- CN
- China
- Prior art keywords
- nut
- louver
- external
- shutter
- clam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
- E04D13/0358—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts moving, in their own plane, e.g. rolling or sliding, or moving in parallel planes with or without an additional movement, e.g. both pivoting and rolling or sliding
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
- E06B7/08—Louvre doors, windows or grilles
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Blinds (AREA)
Abstract
A sequential retraction device for outdoor roof sun blinds comprising: base and actuating mechanism and a plurality of parallel arrangement's that link to each other tripe mechanism, this tripe mechanism includes: the shutter is connected with the clam type split nut component through a connecting rod; the drive mechanism includes: driving motor, trapezoidal lead screw, two limit switch and external gear tooth shape band subassembly, driving motor passes through the shaft coupling and links to each other with the trapezoidal lead screw of fixed setting, and external gear tooth shape band subassembly contacts with tripe mechanism and two limit switch respectively. The invention can drive the louver to do sequential movement retraction and extension actions, ensures equal spacing of the louver during movement, realizes rigid connection of the louver and the driving mechanism, and leads the movement and rotation of the louver to be completely restricted, thereby ensuring the reliability and control precision of the system.
Description
Technical Field
The invention relates to the technology in the field of buildings, in particular to a sequential folding and unfolding device for an outdoor roof sun-shading louver.
Background
The existing shutter is mainly used for rotating and retracting the shutter through a motor-driven hinge, a winding line or a chain, the mechanical structure is simple, the shutter is not restrained sufficiently, the connection strength is not high, and the limitation of line transmission and chain transmission causes low reliability and poor wind resistance effect of the mechanism. When the tripe was used for outdoor roof horizontal installation to arrange, because there is the gravity phenomenon of dangling to and the flexonics between each part, all can influence the rigidity of tripe and angle synchro control's precision, easily because the relative interval of exogenic action such as strong wind or torrential rain changes the tripe, thereby can't guarantee the seal of tripe, has brought great potential safety hazard. In order to ensure the flatness and the sealing performance of the surface when the louver is completely unfolded and flat and ensure that the louvers are mutually parallel and tightly stacked when the louver is rotated to the vertical position and folded, the louver which is most prominently embodied in the wing-type and other rigid structures needs to be accurately unfolded and folded at equal intervals and can maintain high-precision positioning.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the sequential type folding and unfolding device for the outdoor roof sun-shading shutter, which can realize the equidistant unfolding and folding of the shutter with a rigid structure when the shutter is horizontally installed, and improve the reliability and the control precision of the system.
The invention is realized by the following technical scheme:
the invention comprises the following steps: the driving mechanism and a plurality of parallel louver mechanisms connected with the driving mechanism.
The tripe mechanism include: shutter and clam formula split nut subassembly, wherein: the shutter is connected with the clam type split nut component through a connecting rod.
The drive mechanism includes: driving motor, trapezoidal lead screw, two limit switch and external gear tooth shape band subassembly, wherein: the driving motor is connected with a fixedly arranged trapezoidal screw rod through a coupler, and the external-meshing toothed belt component is respectively contacted with the louver mechanism and the two limit switches.
The clam-shell split nut assembly comprises: first nut, second nut, first cylindric lock, second cylindric lock and rotatory fluted disc, wherein: the first cylindrical pin and the second cylindrical pin are respectively and correspondingly arranged on the first nut and the second nut, and the rotary groove disc is in contact with the nuts through the cylindrical pins.
The external toothed belt assembly comprises: external tooth axle sleeve, bearing drum, external gear tooth shape area, protruding shifting block and spacing cam, wherein: the outer tooth shaft sleeve is arranged on the trapezoidal screw rod and located between the bearing seat and the clam type split nut assembly, the bearing roller is located between the outer meshed toothed belt to form a belt structure to support and drive the shutter mechanism, the protruding shifting block is fixedly arranged on the outer meshed toothed belt and sequentially contacts with the rotary groove disc to control the opening and closing of the clam type split nut assembly, and the limiting cam is fixedly arranged on the outer meshed toothed belt and contacts with the first limiting switch and the second limiting switch to control the on-off of the motor circuit.
Technical effects
Compared with the prior art, the invention can drive the louver to do sequential movement retraction and extension actions, ensures equal spacing of the louver during movement, realizes rigid connection of the louver and the driving mechanism, and leads the movement and rotation of the louver to be completely restricted, thereby ensuring the reliability and control precision of the system.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a schematic view of the construction of the external toothed belt assembly;
FIG. 4 is a schematic three-dimensional structure of the present invention;
FIG. 5 is a schematic three-dimensional view of the shutter mechanism;
FIG. 6 is a left side view of the clamshell half-nut assembly;
FIG. 7 is a right side view of the clamshell half-nut assembly;
FIG. 8 is a schematic structural view of a clamshell half-nut assembly and a trapezoidal screw;
in the figure: the device comprises a louver 1, a connecting rod 2, a base 3, a bearing seat 4, a trapezoidal screw rod 5, a clam-type split nut assembly 6, an external-meshing toothed belt assembly 7, an external-tooth shaft sleeve 8, a louver mechanism 9, a coupler 10, a driving motor 11, a bearing roller 12, a protruding shifting block 13, an external-meshing toothed belt 14, a first nut 15, a first arc-shaped sliding groove 16, a second nut 17, a second cylindrical pin 18, a rotating groove disc 19, a second arc-shaped sliding groove 20, a central positioning pin 21, a first cylindrical pin 22, a driving mechanism 23, a first limit switch 24, a second limit switch 25 and a limit cam 26.
Detailed Description
As shown in fig. 1 and 2, the present embodiment includes: base 3 and three louver mechanisms 9 and actuating mechanism 23 of mutually supporting, wherein: the base 3 is fixedly connected with the driving mechanism 23.
As shown in fig. 4, the driving mechanism 23 includes: driving motor 11, trapezoidal lead screw 5, external gear tooth shape band subassembly 7, first limit switch 24 and second limit switch 25, wherein: the driving motor 11 is connected with the trapezoidal screw rod 5 through the coupler 10, the trapezoidal screw rod 5 is fixed on the base 3 through the bearing seat 4, and the external-meshing toothed belt assembly 7 is in contact with the louver mechanism 9, the first limit switch 24 and the second limit switch 25.
As shown in fig. 2, 5 and 8, the louver mechanism 9 includes: shutter 1 and clamshell split-nut assembly 6, wherein: the shutter 1 is connected with a clam type split nut component 6 through a connecting rod 2, and the clam type split nut component 6 is sleeved on the trapezoidal screw rod 5 and moves along the axis direction of the trapezoidal screw rod.
As shown in fig. 5, 6 and 7, the clamshell half-nut assembly 6 includes: a first nut 15, a second nut 17, a first cylindrical pin 22, a second cylindrical pin 18, and a rotating slotted disk 19, wherein: the first cylindrical pin 22 and the second cylindrical pin 18 are respectively and correspondingly arranged on the first nut 15 and the second nut 17, and the rotary slotted disk 19 is in contact with the first nut 15 and the second nut 17 through the first cylindrical pin 22 and the second cylindrical pin 18.
The rotary groove disc 19 is provided with a central positioning pin 21, and a first arc-shaped sliding groove 16 and a second arc-shaped sliding groove 20 which are symmetrically arranged by the central positioning pin 21, wherein: the first cylindrical pin 22 and the second cylindrical pin 18 are respectively arranged in the two arc- shaped chutes 16 and 20 to control the opening and closing tracks of the first nut 15 and the second nut 17.
As shown in fig. 3 and 4, the external toothed belt assembly 7 includes: external tooth axle sleeve 8, two bearing cylinder 12, external tooth profile of tooth area 14, protruding shifting block 13 and spacing cam 26, wherein: the external gear shaft sleeve 8 is arranged on the trapezoidal screw rod 5 and located between the bearing seat 4 and the clam-type split nut assembly 6, the two bearing rollers 12 are located between the external gear toothed belts 14, stretch the external gear toothed belts 14 and form a wheel belt structure to support and drive the louver mechanism 9, the protruding shifting block 13 is fixedly arranged on the external gear toothed belts 14 and sequentially contacts with the rotating groove disc 19 to control the opening and closing of the clam-type split nut assembly 6, and the limiting cam 26 is fixedly arranged on the external gear toothed belts 14 and contacts with the first limiting switch 24 and the second limiting switch 25 to control the on-off of a motor circuit.
The above device works by the following ways: the belt structure formed by the external gear belt 14 and the bearing roller 12 is fixed on the base 3, the external gear belt 14 is meshed with the external gear shaft sleeve 8, and the external gear belt 14 and the external gear shaft sleeve rotate along with the rotation of the trapezoidal screw rod 5. The clam type split nut assembly 6 is sleeved on the trapezoidal screw rod 5 and moves back and forth along the axial direction of the trapezoidal screw rod 5. The clam type split nut component 6 on the right side of the protruding shifting block 13 is in a closed state, the clam type split nut component 6 on the left side of the clam type split nut component is in an open state, and the opening and closing of the specific shutter 1 sequence type equidistant movement are realized through the following modes: the shutter 1 is opened: the driving motor 11 rotates forwards, the external toothed belt 14 is meshed with the external thread of the external gear shaft sleeve 8 and rotates anticlockwise, the protruding shifting block 13 is driven to sequentially contact with the rotary groove disc 19 on the clam type split nut assembly 6 and change the open state into the closed state, the trapezoidal lead screw 5 is meshed with the clam type split nut assembly 6, the louver mechanism 9 is driven to sequentially move rightwards, the louvers 1 are opened at equal intervals, when the louver mechanism 9 moves to a determined position, the limiting cam 26 contacts the second limiting switch 25 to stop the motor, the louvers 1 are uniformly opened at the determined position, and self-locking is completed; folding the louver 1: the driving motor 11 rotates reversely, the external gear-shaped belt 14 rotates clockwise under being meshed with the external thread of the external gear shaft sleeve 8, the protruding shifting block 13 is driven to be in contact with the rotating groove disc 19 on the clam type split nut assembly 6 in sequence and to be changed into an open state from a closed state, the trapezoidal screw rod 5 is disengaged from the clam type split nut assembly 6, the louver 1 sequentially enters a static state, when all the louver 1 is static at a determined position, the limiting cam 26 is in contact with the first limiting switch to stop the motor, and self-locking is completed.
The shutter 1 is arranged in a sequential mode at equal intervals and satisfies the relation: n is1/n2＝L1/L2Wherein: n is1Is the pitch of the thread between the external toothed belt 14 and the external toothed sleeve 8, n2Is the thread pitch between the trapezoidal lead screw 5 and the clam type split nut component 6, L1L for the space of the folded shutter 12The distance of the opened shutter 1 is.
The limit switch is arranged to satisfy the relation of L ═ N-1 ═ L1+L2And/2, wherein L is the horizontal distance of the contacts of the first limit switch 24 and the second limit switch 25, and N is the number of the louvers.
The foregoing embodiments may be modified in many different ways by those skilled in the art without departing from the spirit and scope of the invention, which is defined by the appended claims and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (2)
1. A sequence formula winding and unwinding devices for outdoor roof sunshade tripe which characterized in that includes: base and actuating mechanism and a plurality of parallel arrangement's that link to each other tripe mechanism, this tripe mechanism includes: shutter and clam formula split nut subassembly, wherein: the shutter is connected with the clam type split nut component through a connecting rod;
the drive mechanism includes: driving motor, trapezoidal lead screw, two limit switch and external gear tooth shape band subassembly, wherein: the driving motor is connected with a fixedly arranged trapezoidal screw rod through a coupler, and the external meshing toothed belt assembly is respectively contacted with the shutter mechanism and the two limit switches;
the clam-shell split nut assembly comprises: first nut, second nut, first cylindric lock, second cylindric lock and rotatory fluted disc, wherein: the first cylindrical pin and the second cylindrical pin are respectively and correspondingly arranged on the first nut and the second nut, and the rotary slotted disc is in contact with the nuts through the cylindrical pins;
rotatory frid on be equipped with central locating pin and first arc spout and the second arc spout that sets up with central locating pin symmetry, wherein: the first cylindrical pin and the second cylindrical pin are respectively arranged in the two arc-shaped sliding grooves so as to control the opening and closing tracks of the first nut and the second nut;
the external toothed belt assembly comprises: external tooth axle sleeve, bearing drum, external gear tooth shape area, protruding shifting block and spacing cam, wherein: the outer tooth shaft sleeve is arranged on the trapezoidal screw rod and located between the bearing seat and the clam type split nut assembly, the bearing roller is located between the outer meshed toothed belt to form a belt structure to support and drive the shutter mechanism, the protruding shifting block is fixedly arranged on the outer meshed toothed belt and sequentially contacts with the rotary groove disc to control the opening and closing of the clam type split nut assembly, and the limiting cam is fixedly arranged on the outer meshed toothed belt and contacts with the first limiting switch and the second limiting switch to control the on-off of the motor circuit.
2. The sequential retraction device for outdoor roof blinds according to claim 1, wherein the sequential retraction satisfies the relation: n is1/n2＝L1/L2Wherein: n is1Is the pitch of the thread between the external toothed belt and the external toothed sleeve, n2Is the thread pitch between the trapezoidal screw rod and the clam type split nut, L1For foldingRear louver spacing, L2The distance between the opened shutters;
the limit switch is arranged to satisfy the relation of L ═ N-1 ═ L1+L2And/2, wherein L is the horizontal distance between the contacts of the first limit switch and the second limit switch, and N is the number of the louvers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281961.9A CN109267708B (en) | 2018-10-31 | 2018-10-31 | Sequential type folding and unfolding device for outdoor roof sun-shading shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811281961.9A CN109267708B (en) | 2018-10-31 | 2018-10-31 | Sequential type folding and unfolding device for outdoor roof sun-shading shutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109267708A CN109267708A (en) | 2019-01-25 |
| CN109267708B true CN109267708B (en) | 2020-07-10 |
Family
ID=65191742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811281961.9A Expired - Fee Related CN109267708B (en) | 2018-10-31 | 2018-10-31 | Sequential type folding and unfolding device for outdoor roof sun-shading shutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109267708B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4854768B2 (en) * | 2009-06-30 | 2012-01-18 | 株式会社名機製作所 | Clamping device |
| CN203853560U (en) * | 2014-03-20 | 2014-10-01 | 浙江师范大学 | Split nut device of safety horizontal lathe |
| CN205744828U (en) * | 2016-06-25 | 2016-11-30 | 安徽工程大学机电学院 | A kind of clasp nut |
| CN207393084U (en) * | 2017-11-07 | 2018-05-22 | 佛山市新景装饰材料制造有限公司 | Coordinated type sun-shading louver |
-
2018
- 2018-10-31 CN CN201811281961.9A patent/CN109267708B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN109267708A (en) | 2019-01-25 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 Termination date: 20211031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |