CN103161399A - Roller shutter buffer device - Google Patents
Roller shutter buffer device Download PDFInfo
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- CN103161399A CN103161399A CN2013100385175A CN201310038517A CN103161399A CN 103161399 A CN103161399 A CN 103161399A CN 2013100385175 A CN2013100385175 A CN 2013100385175A CN 201310038517 A CN201310038517 A CN 201310038517A CN 103161399 A CN103161399 A CN 103161399A
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Abstract
The invention relates to the field of roller shutters and aims at providing a roller shutter buffer device. The roller shutter buffer device comprises a central shaft, a fixed head, a mounting sleeve, a rotor, a spring, a spring check block and a stop pin. The fixed head, the mounting sleeve, the rotor, the spring and the spring check block are sleeved outside the central shaft in sequence and fixedly connected with the front end of the central shaft. The stop pin penetrates through the rear end of the central shaft and blocks the spring check block. A plurality of annular grooves which are coaxial with the central shaft are arranged in the rear end face of the mounting sleeve. A plurality of quoits which are oppositely arranged in the annular grooves in an inserted mode are arranged in the front end face of the rotor. Gaps between the annular grooves and the quoits are filled with damping grease. A spring hole is arranged in the rear end face of the rotor. An extension section which is inserted into the spring hole is arranged at the front end of the spring. The spring check block comprises a locating section and a damping section connected with the rear end of the locating section. The locating section is inserted into the spring, and the outer diameter of the locating section is in transition fit with the inner diameter of the spring. The roller shutter buffer device is simple in structure and good in reliability.
Description
Technical field
The present invention relates to roller shutter field, especially a kind of roller shutter buffer.
Background technology
The utility model of Chinese patent notification number CN22648030Y discloses a kind of buffer of roller shutter, is located in the spool of roller shutter, and described buffer includes: a shell; One clutch is located in described shell, can conversion between a bonding station and a disengaging configuration; One driving shaft is arranged in described shell, can produce continuous action relation with described clutch, described driving shaft one end stretches out described shell, and an affixed rolling disc, described rolling disc can be subjected to described spool institute interlock, rotates and the driving clutch mechanism start and drive driving shaft.When spool forward rotation and lowering casement curtain, described clutch is converted into its disengaging configuration by described bonding station, and spool does not have damping phenomena when discharging the casement curtain.Spool backward rotation and when furling the cloth curtain, when the cloth curtain was furled surplus suitable length, described clutch was transformed into bonding station by described disengaging configuration, but described rolling disc start one damping mechanism and produce damping, one cushioning effect is provided in the time of by this, can furling the cloth curtain to spool.There is the deficiency of complex structure poor reliability in the buffer of this roller shutter; Therefore, design the good roller shutter buffer of a kind of property simple and reliable for structure, become problem demanding prompt solution.
Summary of the invention
The objective of the invention is to exist in order to overcome present roller shutter buffer the deficiency of complex structure poor reliability, provide a kind of property simple and reliable for structure good roller shutter buffer.
Concrete technical scheme of the present invention is:
A kind of roller shutter buffer comprises central axis, is set in the central axis outer gland, installation sleeve, rotor, spring, the spring block that are fixedly connected with the front end of central axis and pass the central axis rear end and block the backing pin of spring block successively; The rear end face of installation sleeve is provided with the annular groove of several and spigot shaft coaxle, and the front end face of rotor is provided with several rings of plugging relative to annular groove; Gap-fill between described annular groove and ring has damping grease; The rear end face of rotor is provided with spring eye, and the front end of spring is provided with the extension of inserting spring eye; Spring block comprises positioning section and the section of stopping that is connected with the rear end of positioning section; Positioning section inserts in spring and the external diameter of positioning section and the internal diameter interference fits of spring.When this roller shutter buffer used, rolling screen axle sleeve was also fixing outside installation sleeve, and gland and roller shutter case or building are fixed; When pulling down roller shutter, the extension of inserting the spring eye of rotor makes between spring and positioning section and becomes relaxed state, and rotor rotates with installation sleeve; Roller shutter is when drawing backhaul in, and installation sleeve reverses, and the extension of inserting the spring eye of rotor makes between spring and positioning section and becomes the state of holding tightly, rotor can not rotate, because of the effect of damping grease, installation sleeve is slowly rotated relative to rotor, the impact force that produces in backhaul is played cushioning effect; The simple and reliable property of this roller shutter buffer unit structure is good.
As preferably, described roller shutter buffer also comprises the adjusting sleeve that is set between central axis and installation sleeve and rotor, between gland and installation sleeve and the regulating wheel and the fixed cover that are fixedly connected with the front end of regulating sleeve; The two ends of gusset respectively are provided with a baffle ring in fixed cover, and the outside of rotor rear end is arranged with front bulge loop, and the outer gusset of the section of stopping front end has rear bulge loop; Fixed cover is enclosed within the end face in opposite directions that outer and two baffle rings of front bulge loop and rear bulge loop block respectively front bulge loop and rear bulge loop; The front end face of positioning section is provided with screwed hole, and the rear end of regulating sleeve is provided with external screw thread, regulates the rear end of sleeve and inserts screwed hole and be threaded with screwed hole; In the section of stopping the opposite side of gusset be provided with two width and backing pin the diameter coupling and with the gathering sill of the rear end face perforation of the section of stopping; The two ends of backing pin are each positioned in a gathering sill.The turn regulating wheel drives regulates the sleeve rotation, thereby can regulate the size that ring is inserted the degree of depth damping adjusting moment of annular groove, and deeply damping torque is large for the degree of depth of ring insertion annular groove, otherwise damping torque is little.The size of the damping torque of this roller shutter buffer can regulate to adapt to the needs of different roller shutters.
As preferably, the outside of described regulating wheel is arranged with groove.Be convenient to rotation.
As preferably, be provided with packing ring between described regulating wheel and installation sleeve.Make regulating wheel and installation sleeve not fragile.
As preferably, the front end of described positioning section is provided with interior end ring, and the rear end of rotor is provided with the outer end ring that plug relative to interior end ring.Play the guiding role.
As preferably, described gland is square spigot or regular polygon head, and the rear end of gland is provided with locating ring.Be convenient to install fixing.
As preferably, the outside of described installation sleeve front end is arranged with back-up ring and Anti-rotary block.Be convenient to install fixing.
As preferably, described gland is connected by the pin that wears with central axis.Connect simple.
Compared with prior art, the invention has the beneficial effects as follows: one. the simple and reliable property of this roller shutter buffer unit structure is good.Two. the size of the damping torque of this roller shutter buffer can regulate to adapt to the needs of different roller shutters.Three. the outside of regulating wheel is arranged with groove and is convenient to rotation.Four. be provided with packing ring between regulating wheel and installation sleeve and make regulating wheel and installation sleeve not fragile.Five. the front end of positioning section is provided with interior end ring, and the rear end of rotor is provided with the outer end ring that plug relative to interior end ring, play the guiding role.Six. gland is square spigot or regular polygon head, and the rear end of gland is provided with locating ring, and the outside of installation sleeve front end is arranged with back-up ring and Anti-rotary block, is convenient to install fixing.
Seven. gland connects simple with central axis by the pin that wears.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the left view of Fig. 1.
in figure: central axis-1, gland-2, locating ring-21, installation sleeve-3, annular groove-31, Anti-rotary block-32, back-up ring-33, rotor-4, ring-41, spring eye-42, front bulge loop-43, outer end ring-44, spring-5, extension-51, spring block-6, positioning section-61, the section of stopping-62, rear bulge loop-63, screwed hole-64, gathering sill-65, interior end ring-66, regulate sleeve-7, external screw thread-71, regulating wheel-8, groove-81, fixed cover-9, baffle ring-91, packing ring-10, backing pin-11, damping grease-12, pin-13.
The specific embodiment
The present invention is described further below in conjunction with shown in accompanying drawing.
As shown in accompanying drawing 1, accompanying drawing 2: a kind of roller shutter buffer comprises central axis 1, is set in gland 2, installation sleeve 3, rotor 4, spring 5, the spring block 6 that the outer front end with central axis 1 of central axis 1 is fixedly connected with and pass central axis 1 rear end and block the backing pin 11 of spring block 6 successively; The rear end face of installation sleeve 3 has two annular grooves 31 coaxial with central axis 1, and the front end face of rotor 4 has two rings 41 of plugging relative to annular groove 31; Gap-fill between described annular groove 31 and ring 41 has damping grease 12; The rear end face of rotor 4 has spring eye 42, and the front end of spring 5 has the extension 51 of inserting spring eye 42; Spring block 6 comprises the section of stopping 62 that positioning section 61 is connected with rear end with positioning section 61; Positioning section 61 inserts in spring 5 and the external diameter of positioning section 61 and the internal diameter interference fits of spring 5.
In the present embodiment, described gland 2 is square spigot, and the rear end of gland 2 has locating ring 21.Described gland 2 is connected by the pin 13 that wears with central axis 1.Described damping grease 12 is high viscosity lubricating grease.
Described roller shutter buffer also comprises the adjusting sleeve 7 that is set between central axis 1 and installation sleeve 3 and rotor 4, between gland 2 and installation sleeve 3 and the regulating wheel 8 and the fixed cover 9 that are connected with the front end key of regulating sleeve 7; The two ends of fixed cover 9 interior gussets respectively have a baffle ring 91, and the outer gusset of rotor 4 rear ends has front bulge loop 43, and the outer gusset of the section of stopping 62 front ends has rear bulge loop 63; Fixed cover 9 is enclosed within the end face in opposite directions that outer and two baffle rings 91 of front bulge loop 43 and rear bulge loop 63 block respectively front bulge loop 43 and rear bulge loop 63; The front end face of positioning section 61 has screwed hole 64, and the rear end of regulating sleeve 7 is provided with external screw thread 71, regulates the rear end of sleeve 7 and inserts screwed hole 64 and be threaded with screwed hole 64; The gathering sill 65 that the opposite side of the section of stopping 62 interior gussets has that two width coordinate with the diametric clearance of backing pin 11 and connects with the rear end face of the section of stopping 62; The two ends of backing pin 11 are each positioned in a gathering sill 65.
The outer gusset of described regulating wheel 8 has groove 81.
Has packing ring 10 between described regulating wheel 8 and installation sleeve 3.
The front end of described positioning section 61 has interior end ring 66, and the rear end of rotor 4 has the outer end ring 44 that plug relative to interior end ring 66.
The outer gusset of described installation sleeve 3 front ends has back-up ring 33 and Anti-rotary block 32.
When this roller shutter buffer used, rolling screen axle sleeve was also fixing outside installation sleeve 3, and gland 2 is fixed with roller shutter case or building; When pulling down roller shutter, the extension 51 of inserting the spring eye 42 of rotor 4 makes between spring 5 and positioning section 61 and becomes relaxed state, and rotor 4 rotates with installation sleeve 3; Roller shutter is when drawing backhaul in, installation sleeve 3 counter-rotatings, the extension 51 of inserting the spring eye 42 of rotor 4 makes between spring 5 and positioning section 61 and becomes the state of holding tightly, rotor 4 can not rotate, effect because of damping grease 12, installation sleeve 3 is slowly rotated relative to rotor 4, the impact force that produces in backhaul is played cushioning effect; Turn regulating wheel 8 drives regulates sleeve 7 rotations, thereby can regulate the size that ring 41 is inserted the degree of depth damping adjusting moment of annular grooves 31, and deeply damping torque is large for the degree of depth of ring 41 insertion annular grooves 31, otherwise damping torque is little.
This beneficial effect of the invention is: the simple and reliable property of this roller shutter buffer unit structure is good.The size of the damping torque of this roller shutter buffer can regulate to adapt to the needs of different roller shutters.The outside of regulating wheel is arranged with groove and is convenient to rotation.Being provided with packing ring between regulating wheel and installation sleeve makes regulating wheel and installation sleeve not fragile.The front end of positioning section is provided with interior end ring, and the rear end of rotor is provided with the outer end ring that plug relative to interior end ring, play the guiding role.Gland is square spigot, and the rear end of gland is provided with locating ring, and the outside of installation sleeve front end is arranged with back-up ring and Anti-rotary block, is convenient to install fixing.Gland connects simple with central axis by the pin that wears.
It is apparent to one skilled in the art that the present invention can change into various ways, and such change is not thought and departed from the scope of the present invention.The apparent modification of the technician to described field that all are such is within being included in the protection domain of claim of the present invention.
Claims (8)
1. roller shutter buffer is characterized in that: comprise central axis, be set in the central axis outer gland, installation sleeve, rotor, spring, the spring block that are fixedly connected with the front end of central axis and pass the central axis rear end and block the backing pin of spring block successively; The rear end face of installation sleeve is provided with the annular groove of several and spigot shaft coaxle, and the front end face of rotor is provided with several rings of plugging relative to annular groove; Gap-fill between described annular groove and ring has damping grease; The rear end face of rotor is provided with spring eye, and the front end of spring is provided with the extension of inserting spring eye; Spring block comprises positioning section and the section of stopping that is connected with the rear end of positioning section; Positioning section inserts in spring and the external diameter of positioning section and the internal diameter interference fits of spring.
2. roller shutter buffer according to claim 1 is characterized in that: described roller shutter buffer also comprises the adjusting sleeve that is set between central axis and installation sleeve and rotor, between gland and installation sleeve and the regulating wheel and the fixed cover that are fixedly connected with the front end of regulating sleeve; The two ends of gusset respectively are provided with a baffle ring in fixed cover, and the outside of rotor rear end is arranged with front bulge loop, and the outer gusset of the section of stopping front end has rear bulge loop; Fixed cover is enclosed within the end face in opposite directions that outer and two baffle rings of front bulge loop and rear bulge loop block respectively front bulge loop and rear bulge loop; The front end face of positioning section is provided with screwed hole, and the rear end of regulating sleeve is provided with external screw thread, regulates the rear end of sleeve and inserts screwed hole and be threaded with screwed hole; In the section of stopping the opposite side of gusset be provided with two width and backing pin the diameter coupling and with the gathering sill of the rear end face perforation of the section of stopping; The two ends of backing pin are each positioned in a gathering sill.
3. roller shutter buffer according to claim 2, it is characterized in that: the outside of described regulating wheel is arranged with groove.
4. roller shutter buffer according to claim 2, is characterized in that: be provided with packing ring between described regulating wheel and installation sleeve.
5. according to claim 1 and 2 or 3 or 4 described roller shutter buffers, it is characterized in that: the front end of described positioning section is provided with interior end ring, and the rear end of rotor is provided with the outer end ring that plug relative to interior end ring.
6. according to claim 1 and 2 or 3 or 4 described roller shutter buffers, it is characterized in that: described gland is square spigot or regular polygon head, and the rear end of gland is provided with locating ring.
7. according to claim 1 and 2 or 3 or 4 described roller shutter buffers, it is characterized in that: the outside of described installation sleeve front end is arranged with back-up ring and Anti-rotary block.
8. according to claim 1 and 2 or 3 or 4 described roller shutter buffers, it is characterized in that: described gland is connected by the pin that wears with central axis.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310038517.5A CN103161399B (en) | 2013-01-29 | 2013-01-29 | Roller shutter buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310038517.5A CN103161399B (en) | 2013-01-29 | 2013-01-29 | Roller shutter buffer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103161399A true CN103161399A (en) | 2013-06-19 |
| CN103161399B CN103161399B (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310038517.5A Active CN103161399B (en) | 2013-01-29 | 2013-01-29 | Roller shutter buffer device |
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| Country | Link |
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| CN (1) | CN103161399B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269206A (en) * | 2016-04-06 | 2017-10-20 | 亿丰综合工业股份有限公司 | Damping adjustment device and the blind system including damping adjustment device |
| US10451145B2 (en) | 2016-01-22 | 2019-10-22 | Nien Made Enterprise Co., Ltd. | System and device for window covering system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535829A (en) * | 1982-12-24 | 1985-08-20 | Metako Kigyo Co., Ltd. | Brake apparatus for winding a roll-screen |
| JPH094347A (en) * | 1995-06-23 | 1997-01-07 | Totsuku Bearing Kk | Reduction gear device for roll blind |
| CN200943435Y (en) * | 2006-06-03 | 2007-09-05 | 黄长怒 | Buffer stroke adjustable device for rolling screen type gauze door, window |
| CN201206421Y (en) * | 2008-05-16 | 2009-03-11 | 汤军 | Backrush buffer device for roll screen type mesh window |
| CN201915809U (en) * | 2010-11-11 | 2011-08-03 | 美家全球有限公司 | Speed reducer of rolling curtain |
| US20120241111A1 (en) * | 2010-03-07 | 2012-09-27 | Jerzy Wolek | Mechanism for controlling the rotation of a roller blind winding roller having a spring drive |
| CN203145805U (en) * | 2013-01-29 | 2013-08-21 | 杭州万家创新电子有限公司 | Roller blind buffering device |
-
2013
- 2013-01-29 CN CN201310038517.5A patent/CN103161399B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535829A (en) * | 1982-12-24 | 1985-08-20 | Metako Kigyo Co., Ltd. | Brake apparatus for winding a roll-screen |
| JPH094347A (en) * | 1995-06-23 | 1997-01-07 | Totsuku Bearing Kk | Reduction gear device for roll blind |
| CN200943435Y (en) * | 2006-06-03 | 2007-09-05 | 黄长怒 | Buffer stroke adjustable device for rolling screen type gauze door, window |
| CN201206421Y (en) * | 2008-05-16 | 2009-03-11 | 汤军 | Backrush buffer device for roll screen type mesh window |
| US20120241111A1 (en) * | 2010-03-07 | 2012-09-27 | Jerzy Wolek | Mechanism for controlling the rotation of a roller blind winding roller having a spring drive |
| CN201915809U (en) * | 2010-11-11 | 2011-08-03 | 美家全球有限公司 | Speed reducer of rolling curtain |
| CN203145805U (en) * | 2013-01-29 | 2013-08-21 | 杭州万家创新电子有限公司 | Roller blind buffering device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10451145B2 (en) | 2016-01-22 | 2019-10-22 | Nien Made Enterprise Co., Ltd. | System and device for window covering system |
| CN107269206A (en) * | 2016-04-06 | 2017-10-20 | 亿丰综合工业股份有限公司 | Damping adjustment device and the blind system including damping adjustment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103161399B (en) | 2015-01-28 |
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Owner name: ZHEJIANG FIRSD GROUP CO., LTD. Free format text: FORMER OWNER: HANGZHOU WANJIA INNOVATION ELECTRONICS CO., LTD. Effective date: 20130826 |
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Free format text: CORRECT: ADDRESS; FROM: 311604 HANGZHOU, ZHEJIANG PROVINCE TO: 310043 HANGZHOU, ZHEJIANG PROVINCE |
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Effective date of registration: 20130826 Address after: 310043 No. 218, Stadium Road, Hangzhou, Zhejiang Applicant after: ZHEJIANG FIRSD GROUP CO., LTD. Address before: 311604, Zhejiang City, Hangzhou province Jiande City Chengnan industrial function zone Applicant before: Hangzhou Wanjia Innovation Electronics Co., Ltd. |
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