CN203145805U - Roller blind buffering device - Google Patents
Roller blind buffering device Download PDFInfo
- Publication number
- CN203145805U CN203145805U CN 201320052529 CN201320052529U CN203145805U CN 203145805 U CN203145805 U CN 203145805U CN 201320052529 CN201320052529 CN 201320052529 CN 201320052529 U CN201320052529 U CN 201320052529U CN 203145805 U CN203145805 U CN 203145805U
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- spring
- rear end
- rotor
- roller shutter
- ring
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Abstract
The utility model relates to the field of roller blind, in particular to a roller blind buffering device. The roller blind buffering device comprises a central shaft, a fixed head, an installing sleeve, a rotor, a spring, a spring stop block and a stop pin penetrating the rear end of the central shaft to block the spring stop block, wherein the fixed head, the installing sleeve, the rotor, the spring, the spring stop block and the stop pin are sleeved on the outer side of the central shaft sequentially and fixedly connected with the front end of the central shaft. A plurality of annular grooves coaxial with the central shaft are formed in the rear end face of the installing sleeve, and a plurality of rings inserted with the annular grooves oppositely are arranged on the front end face of the rotor. Damping grease is filled in gaps between the annular grooves and the rings. A spring hole is formed in the rear end face of the rotor, and the front end of the spring is provided with an extension section inserted into the spring hole. The spring stop block comprises a locating section and a stopping 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 transit fit with the inner diameter of the spring. The roller blind buffering device is simple in structure and good in reliability.
Description
Technical field
The utility model relates to the 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 the described shell, can conversion between a bonding station and a disengaging configuration; One driving shaft is arranged in the 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 drive the clutch 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.
The utility model content
The purpose of this utility model is in order to overcome the deficiency that there is the complex structure poor reliability in present roller shutter buffer, to provide a kind of property simple and reliable for structure good roller shutter buffer.
Concrete technical scheme of the present utility model is:
A kind of roller shutter buffer comprises central axis, is set in central axis outer fixing head, installation sleeve, rotor, spring, the spring block of fixedlying 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 relative circle rings that plugs with annular groove; Gap between described annular groove and the circle ring is filled with 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 the spring and the external diameter of positioning section and the internal diameter interference fits of spring.When this roller shutter buffer used, it is outer and fixing that curtain rolling shaft is enclosed within installation sleeve, and fixing head is fixed with roller shutter case or building; When pulling down roller shutter, the extension of inserting the spring eye of rotor makes between spring and the 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 the 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 the backhaul is played cushioning effect; This roller shutter buffer property simple and reliable for structure is good.
As preferably, described roller shutter buffer also comprises the adjusting sleeve that is set between central axis and installation sleeve and the rotor, between fixing head and installation sleeve and regulating wheel and the fixed cover of fixedlying connected with the front end of regulating sleeve; The two ends of gusset respectively are provided with a baffle ring in the fixed cover, and the outside of rotor rear end is arranged with preceding bulge loop, and the outer gusset of the section of stopping front end has back bulge loop; The end face in opposite directions of bulge loop and back bulge loop before outer and two baffle rings of bulge loop and back bulge loop blocked respectively before fixed cover was enclosed within; 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, and the rear end of adjusting sleeve is inserted screwed hole and is 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 the gathering sill.The turn regulating wheel drive to be regulated sleeve and is rotated, thereby the degree of depth of can the adjusting ring ring inserting annular groove is regulated the size of damping torque, and the circle ring inserts the degree of depth of annular groove, and deeply then damping torque is big, otherwise then 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 the 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 relative outer end ring that plugs with interior end ring.Play the guiding role.
As preferably, described fixing head be square spigot or regular polygon head, and fixing rear end is provided with locating ring.Be convenient to install and fix.
As preferably, the outside of described installation sleeve front end is arranged with back-up ring and anti-switch block.Be convenient to install and fix.
As preferably, described fixing head is connected by the pin that wears with central axis.Connect simple.
Compared with prior art, the beneficial effects of the utility model are: one. this roller shutter buffer property simple and reliable for 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 the 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 relative outer end ring that plugs with interior end ring, play the guiding role.Six. fixing head is square spigot or regular polygon head, and the rear end of fixing head is provided with locating ring, and the outside of installation sleeve front end is arranged with back-up ring and anti-switch block, is convenient to install and fix.
Seven. fixing head connects simple with central axis by the pin that wears.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1.
Among the figure: central axis-1, fixing head-2, locating ring-21, installation sleeve-3, annular groove-31, anti-switch block-32, back-up ring-33, rotor-4, circle ring-41, spring eye-42, preceding bulge loop-43, outer end ring-44, spring-5, extension-51, spring block-6, positioning section-61, the section of stopping-62, back 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
Below in conjunction with shown in the accompanying drawing the utility model is described further.
Shown in accompanying drawing 1, accompanying drawing 2: a kind of roller shutter buffer comprises central axis 1, be set in that the outer front end with central axis 1 of central axis 1 fixedlys connected successively fixing 2, installation sleeve 3, rotor 4, spring 5, spring block 6 and passes central axis 1 rear end and block the backing pin 11 of spring block 6; The rear end face of installation sleeve 3 has two annular grooves 31 coaxial with central axis 1, the front end face of rotor 4 have two with the annular groove 31 relative circle rings 41 that plug; Gap between described annular groove 31 and the circle ring 41 is filled with 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 the spring 5 and the external diameter of positioning section 61 and the internal diameter interference fits of spring 5.
In the present embodiment, described fixing 2 is square spigot, and fixing 2 rear end has locating ring 21.Described fixing 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 the rotor 4, between fixing 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 gusset respectively have a baffle ring 91 in the fixed cover 9, and the outer gusset of rotor 4 rear ends has preceding bulge loop 43, and the outer gusset of the section of stopping 62 front ends has back bulge loop 63; The end face in opposite directions of bulge loop 43 and back bulge loop 63 before outer and two baffle rings 91 of bulge loop 43 and back bulge loop 63 blocked respectively before fixed cover 9 was enclosed within; 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, and the rear end of adjusting sleeve 7 is inserted screwed hole 64 and is threaded with screwed hole 64; In the section of stopping 62 opposite side of gussets have that two width cooperate with the diametric clearance of backing pin 11 and with the gathering sill 65 of the rear end face perforation of the section of stopping 62; The two ends of backing pin 11 are each positioned in the gathering sill 65.
The outer gusset of described regulating wheel 8 has groove 81.
Has packing ring 10 between described regulating wheel 8 and the installation sleeve 3.
The front end of described positioning section 61 has interior end ring 66, and the rear end of rotor 4 has and the interior end ring 66 relative outer end ring 44 that plug.
The outer gusset of described installation sleeve 3 front ends has back-up ring 33 and anti-switch block 32.
When this roller shutter buffer used, it is outer and fixing that curtain rolling shaft is enclosed within installation sleeve 3, fixes with roller shutter case or building for fixing 2; When pulling down roller shutter, the extension 51 of inserting the spring eye 42 of rotor 4 makes between spring 5 and the 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 the 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 the backhaul is played cushioning effect; Turn regulating wheel 8 drives to be regulated sleeves 7 and rotates, thereby the degree of depth of can adjusting ring ring 41 inserting annular grooves 31 is regulated the size of damping torque, and circle ring 41 inserts the degree of depth of annular grooves 31, and deeply then damping torque is big, otherwise then damping torque is little.
The beneficial effect of this utility model is: this roller shutter buffer property simple and reliable for 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 the 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 relative outer end ring that plugs with interior end ring, play the guiding role.Fixing head is square spigot, and the rear end of fixing head is provided with locating ring, and the outside of installation sleeve front end is arranged with back-up ring and anti-switch block, is convenient to install and fix.Fixing head connects simple with central axis by the pin that wears.
It is apparent to one skilled in the art that the utility model can be changed into multiple mode, and such change is not thought and broken away from scope of the present utility model.The apparent modification of the technician to described field that all are such will be included within the protection domain of the utility model claim.
Claims (8)
1. roller shutter buffer is characterized in that: comprise central axis, be set in central axis outer fixing head, installation sleeve, rotor, spring, the spring block of fixedlying 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 relative circle rings that plugs with annular groove; Gap between described annular groove and the circle ring is filled with 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 the 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 the rotor, between fixing head and installation sleeve and regulating wheel and the fixed cover of fixedlying connected with the front end of regulating sleeve; The two ends of gusset respectively are provided with a baffle ring in the fixed cover, and the outside of rotor rear end is arranged with preceding bulge loop, and the outer gusset of the section of stopping front end has back bulge loop; The end face in opposite directions of bulge loop and back bulge loop before outer and two baffle rings of bulge loop and back bulge loop blocked respectively before fixed cover was enclosed within; 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, and the rear end of adjusting sleeve is inserted screwed hole and is 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 the 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 the installation sleeve.
5. according to claim 1 or 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 relative outer end ring that plugs with interior end ring.
6. according to claim 1 or 2 or 3 or 4 described roller shutter buffers, it is characterized in that: described fixing head is square spigot or regular polygon head, and the rear end of fixing head is provided with locating ring.
7. according to claim 1 or 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-switch block.
8. according to claim 1 or 2 or 3 or 4 described roller shutter buffers, it is characterized in that: described fixing head is connected by the pin that wears with central axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052529 CN203145805U (en) | 2013-01-29 | 2013-01-29 | Roller blind buffering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052529 CN203145805U (en) | 2013-01-29 | 2013-01-29 | Roller blind buffering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203145805U true CN203145805U (en) | 2013-08-21 |
Family
ID=48973341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320052529 Expired - Lifetime CN203145805U (en) | 2013-01-29 | 2013-01-29 | Roller blind buffering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203145805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161399A (en) * | 2013-01-29 | 2013-06-19 | 杭州万家创新电子有限公司 | Roller shutter buffer device |
| CN107869301A (en) * | 2017-11-03 | 2018-04-03 | 安徽中腾汽车零部件有限公司 | Modified is from pretightning force rotating assembly |
-
2013
- 2013-01-29 CN CN 201320052529 patent/CN203145805U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161399A (en) * | 2013-01-29 | 2013-06-19 | 杭州万家创新电子有限公司 | Roller shutter buffer device |
| CN103161399B (en) * | 2013-01-29 | 2015-01-28 | 浙江福士达集团有限公司 | Roller shutter buffer device |
| CN107869301A (en) * | 2017-11-03 | 2018-04-03 | 安徽中腾汽车零部件有限公司 | Modified is from pretightning force rotating assembly |
| CN107869301B (en) * | 2017-11-03 | 2023-09-08 | 安徽中腾汽车零部件有限公司 | Improved self-pretightening force rotating shaft assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG FIRSD GROUP CO., LTD. Free format text: FORMER OWNER: HANGZHOU WANJIA INNOVATION ELECTRONICS CO., LTD. Effective date: 20130826 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311604 HANGZHOU, ZHEJIANG PROVINCE TO: 310043 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130826 Address after: 310043 No. 218, Stadium Road, Hangzhou, Zhejiang Patentee after: ZHEJIANG FIRSD GROUP Co.,Ltd. Address before: 311604, Zhejiang City, Hangzhou province Jiande City Chengnan industrial function zone Patentee before: HANGZHOU WANJIA INNOVATION ELECTRONICS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |