CN105401819A - Door opening delay floor spring - Google Patents
Door opening delay floor spring Download PDFInfo
- Publication number
- CN105401819A CN105401819A CN201510830608.1A CN201510830608A CN105401819A CN 105401819 A CN105401819 A CN 105401819A CN 201510830608 A CN201510830608 A CN 201510830608A CN 105401819 A CN105401819 A CN 105401819A
- Authority
- CN
- China
- Prior art keywords
- cam
- distance
- door
- door opening
- supporting plate
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
- E05Y2201/21—Brakes
Abstract
The invention discloses a door opening delay floor spring which comprises a housing, a piston, a connecting rod, a spring, a cam, rollers and a supporting plate, wherein the piston, the connecting rod, the spring, the cam, the rollers and the supporting plate are all arranged in the housing; the two ends of the connecting rod are respectively fixed on the piston and the supporting plate; the spring sleeves the outer side of the connecting rod; the cam is mounted on the supporting plate, rotates to drive the supporting plate to move, and is matched with the rollers; a door is rotated to drive the cam to rotate; when the door opening angle ranges from 0 degree to 65 degrees, the curvature at the contact point between the cam and the rollers is gradually increased, so that when the door is opened within the range from 0 degree to 65 degrees to drive the cam to rotate, the resistance to the cam is increased; when the door is opened under even force action, the resistance to the cam is increased, so that the door is slowly opened, and the door opening delay effect is achieved to avoid the conditions that the door is opened quickly, and collides with an interferent and further improve the safety performance.
Description
The application is the divisional application of " mechanical open gate delay floor spring ", and the applying date of original application is 2015.08.07, and application number is 201510483173.8, and the invention and created name of original application is: mechanical open gate delay floor spring.
Technical field
The invention belongs to a kind of door closer-holder, especially relate to a kind of enabling time delay floor spring.
Background technology
In use, door rotates and drives the cam in floor spring to rotate floor spring, and floor spring opposite house carries out load-bearing, and door can rotate on floor spring, realizes opening the door and closing the door.But existing floor spring only has delay function of closing the door, within the scope of the certain angle namely before door is closed completely, floor spring inside has cushioning effect power, cam is rotated slowly, thus makes the closing velocity of door slower; Owing to not having BC function (enabling delay function), when making Men Wu enabling delay function, open the door and easily collide with interfering object, security performance reduces.
Summary of the invention
The object of the present invention is to provide a kind of enabling time delay floor spring, at least one in can solving the problem.
According to an aspect of the present invention, provide a kind of enabling time delay floor spring, comprise housing, piston, connecting rod, spring, cam, roller and supporting plate, piston, connecting rod, spring, cam, roller and supporting plate are all located in housing, the two ends of connecting rod are separately fixed on piston and supporting plate, spring housing is located at outside connecting rod, cam is arranged on supporting plate, cam rotates and drives supporting plate to move, cam matches with roller, door rotating band moving cam rotates, door opening angle within the scope of 0 ~ 65 ° time, the curvature at cam and roller contact point place increases gradually.
The invention has the beneficial effects as follows: in use, door is arranged on the cam of this enabling time delay floor spring, door band moving cam rotates, due to door opening angle within the scope of 0 ~ 65 ° time, the curvature at cam and roller contact point place increases gradually, when therefore making door open within the scope of this, the resistance that cam is subject to when rotating increases, when door is unlocked under even power effect, because the resistance be subject to increases, and then the opening speed of door is slowed down, play the effect of enabling time delay, prevent an opening speed too fast, prevent door from colliding with interfering object, improve security performance.
In some embodiments, enabling time delay floor spring can also comprise asphalt channel, and the both sides of piston are respectively equipped with the first oil pocket and the second oil pocket, and the first oil pocket is connected by asphalt channel with the second oil pocket.Thus, be provided with asphalt channel, can the speed that opens and closes of control gate further, improve the security performance of door.
In some embodiments, asphalt channel comprises main oil gallery, the first hydraulic fluid port and the second hydraulic fluid port, first hydraulic fluid port is all connected with main oil gallery with the second hydraulic fluid port, first hydraulic fluid port is connected with the first oil pocket all the time, second hydraulic fluid port is corresponding with piston, second hydraulic fluid port can be connected with the first oil pocket, and when door is opened, the hydraulic oil in the second oil pocket flow to the first oil pocket.Thus, be provided with the first hydraulic fluid port and the second hydraulic fluid port, can ensure that hydraulic oil flows in the first oil pocket and the second oil pocket; Second hydraulic fluid port is corresponding with piston, makes piston can block being communicated with of the second hydraulic fluid port and main oil gallery, makes running of hydraulic power oil slow, increases resistance at closing time, extend lockup, play the effect of closing gate delay.
In some embodiments, the cross section of cam is symmetrical about its center line.Thus, door band moving cam when rotating is facilitated to rotate.
In some embodiments, when door opening angle is 65 °, the distance of cam and roller contact point place distance cam centre line is 16 ~ 16.5mm, and the distance apart from cam end points is 10.5 ~ 11mm;
When door opening angle is 90 °, the distance of cam and roller contact point place distance cam centre line is 15 ~ 15.4mm, and the distance apart from cam end points is 16.5 ~ 17mm.Thus, make door from be opened into resistance in the process of 65 ° and increase gradually, the curvature of cam becomes large; When door is opened into 90 °, cam curvature reduces, and a unlatching resistance is reduced.
In some embodiments, when door opening angle is 75 °, the distance of cam and roller contact point place distance cam centre line is 16.7 ~ 17mm, and the distance apart from cam end points is 12.5 ~ 12.8mm;
When door opening angle is 85 °, the distance of cam and roller contact point place distance cam centre line is 15.6 ~ 15.9mm, and the distance apart from cam end points is 14.4 ~ 14.7mm.Thus, make cam at door when opening or closedown turns to relevant position, door rotates and is subject to corresponding resistance.
In some embodiments, door opening angle is within the scope of 65 ° ~ 75 °, and the distance of cam and roller contact point place distance cam centre line increases gradually;
Door opening angle is within the scope of 75 ° ~ 85 °, and the distance of cam and roller contact point place distance cam centre line reduces gradually;
Door opening angle is within the scope of 85 ° ~ 90 °, and the distance of cam and roller contact point place distance cam centre line reduces gradually.Thus, can make cam rotate time can smooth pivotal.
Accompanying drawing explanation
The structural representation that Fig. 1 is enabling time delay floor spring of the present invention when door opens 65 °;
Fig. 2 is the sectional structure schematic diagram of the oil circuit of Fig. 1;
The structural representation that Fig. 3 is enabling time delay floor spring of the present invention when door opens 90 °;
Fig. 4 is the structural representation of enabling time delay floor spring cam of the present invention;
The structural representation that Fig. 5 is enabling time delay floor spring of the present invention when door is closed to 90 °;
The structural representation that Fig. 6 is enabling time delay floor spring of the present invention when door is closed to 25 °.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
With reference to Fig. 1: enabling time delay floor spring, comprises housing 1, piston 2, connecting rod 3, spring 4, cam 5, roller 6 and supporting plate 7, and piston 2, connecting rod 3, spring 4, cam 5, roller 6 and supporting plate 7 are all located in housing 1.The two ends of connecting rod 3 are separately fixed on piston 2 and supporting plate 7, and one end of connecting rod 3 is bolted on supporting plate 7, and other end card is established and fixed on the piston 2; Spring 4 is set in outside connecting rod 3, and spring 4 one end contacts with supporting plate 7, and the other end contacts with piston 2; Cam 5 is arranged on supporting plate 7, and cam 5 rotates and drives supporting plate 7 to move, and cam 5 matches with roller 6, and door rotating band moving cam 5 rotates, door opening angle within the scope of 0 ~ 65 ° time, the curvature at cam 5 and roller 6 contact point place increases gradually.
Enabling time delay floor spring of the present invention in use, the turning cylinder of door is arranged on cam 5, and when external force drives door to rotate, the turning cylinder band moving cam 5 of door rotates, cam 5 acts on when rotating on supporting plate 7, and cam 5 promotes supporting plate 7 and moves along the axial direction of housing 1.
As shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 6, enabling time delay floor spring also comprises asphalt channel 8, and the both sides of piston 2 are respectively equipped with the first oil pocket 9 and the second oil pocket 10, first oil pocket 9 is connected by asphalt channel 8 with the second oil pocket 10.Asphalt channel 8 comprises main oil gallery 81, first hydraulic fluid port 82 and the second hydraulic fluid port 83, first hydraulic fluid port 82 is all connected with main oil gallery 81 with the second hydraulic fluid port 83, first hydraulic fluid port 82 is connected with the first oil pocket 9 all the time, second hydraulic fluid port 82 is corresponding with piston 2, namely piston 2 can move to the position of the second hydraulic fluid port 82, and piston 2 blocks being communicated with of the second hydraulic fluid port 82 and main oil gallery 81; Second hydraulic fluid port 83 can be connected with the first oil pocket 9, and when door is opened, the hydraulic oil in the second oil pocket 10 flow to the first oil pocket 9.
When the door closes, cam 5 rotates, and promote supporting plate 7, connecting rod 3 and piston 2 and move to the first side, oil pocket 9 place, when door closing angle arrives 65 °, piston 2 arrives the position of the second hydraulic fluid port 82; Along with the further closedown of door, piston 2 blocks being communicated with of the second hydraulic fluid port 82 and main oil gallery 81 gradually, make the hydraulic oil in the first oil pocket 9 by two hydraulic fluid ports flow to the second oil pocket 10, transfer to gradually and only have the first hydraulic fluid port 82 to flow in the second oil pocket 10, slowed down the velocity of liquid assets of hydraulic oil.Thus, the resistance making door close to the hydraulic oil that 65 ° are subject to increases, and slow down door closing speed, plays the effect of closing gate delay.
As shown in Figure 4, the cross section of cam 5 is symmetrical about its centre line L.
As shown in Figures 1 to 6, when door opening angle is 65 °, cam 5 is 16 ~ 16.5mm with the distance D1 of roller contact point place distance cam 5 center line, and be preferably 16.34mm, the distance D2 apart from cam end points is 10.5 ~ 11mm, is preferably 10.8mm; When door opening angle is 90 °, cam 5 is 15 ~ 15.4mm with the distance D3 of roller contact point place distance cam centre line, is preferably 15.35mm, and the distance D4 apart from cam end points is 16.5 ~ 17mm, is preferably 16.84mm.
When door opening angle is 75 °, cam 5 is 16.7 ~ 17mm with the distance D5 of roller contact point place distance cam centre line, is preferably 16.89mm, and the distance D6 apart from cam end points is 12.5 ~ 12.8mm, is preferably 12.51mm; When door opening angle is 85 °, cam 5 is 15.6 ~ 15.9mm with the distance D7 of roller contact point place distance cam centre line, is preferably 15.88mm, and the distance D8 apart from cam end points is 14.4 ~ 14.7mm, is preferably 14.53mm.
Door opening angle is within the scope of 65 ° ~ 75 °, and cam 5 increases apart from the distance of cam centre line gradually with roller contact point place; Door opening angle is within the scope of 75 ° ~ 85 °, and cam 5 reduces apart from the distance of cam centre line gradually with roller contact point place; Door opening angle is within the scope of 85 ° ~ 90 °, and cam 5 reduces apart from the distance of cam centre line gradually with roller contact point place.
Enabling time delay floor spring of the present invention in use, external force promotes door and rotates, door band moving cam 5 rotates, door from be opened into be opened to 65 ° time, the curvature of cam 5 increases gradually, door resistance when even power is opened is increased, the unlatching resistance of door is increased, slow down the opening speed of door, obtains the effect of enabling time delay.Door continues to open, and when door opening angle is by 65 ° ~ 90 °, the curvature of cam 5 also changes gradually, a resistance opened is changed, plays the effect of enabling time delay when door is opened accordingly.
When door is closed, when closing angle is closed to 25 ° from 90 °, under the resistance acting in conjunction of cam 5 Curvature varying and hydraulic oil, the resistance of closing the door increases, and making to close the door obtains time delay.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (6)
1. enabling time delay floor spring, it is characterized in that, comprise housing (1), piston (2), connecting rod (3), spring (4), cam (5), roller (6) and supporting plate (7), described piston (2), connecting rod (3), spring (4), cam (5), roller (6) and supporting plate (7) are all located in housing (1), the two ends of described connecting rod (3) are separately fixed on piston (2) and supporting plate (7), described spring (4) is set in connecting rod (3) outside, described cam (5) is arranged on supporting plate (7), described cam (5) rotates and drives supporting plate (7) mobile, described cam (5) matches with roller (6), door rotates and drives described cam (5) to rotate, door opening angle within the scope of 0 ~ 65 ° time, described cam (5) increases gradually with the curvature at roller (6) contact point place,
Door opening angle is within the scope of 65 ° ~ 75 °, and cam (5) increases apart from the distance of cam centre line gradually with roller contact point place;
Door opening angle is within the scope of 75 ° ~ 85 °, and cam (5) reduces apart from the distance of cam centre line gradually with roller contact point place;
Door opening angle is within the scope of 85 ° ~ 90 °, and cam (5) reduces apart from the distance of cam centre line gradually with roller contact point place.
2. enabling time delay floor spring according to claim 1, it is characterized in that, also comprise asphalt channel (8), the both sides of described piston (2) are respectively equipped with the first oil pocket (9) and the second oil pocket (10), and described first oil pocket (9) is connected by asphalt channel (8) with the second oil pocket (10).
3. enabling time delay floor spring according to claim 2, it is characterized in that, described asphalt channel (8) comprises main oil gallery (81), first hydraulic fluid port (82) and the second hydraulic fluid port (83), described first hydraulic fluid port (82) is all connected with main oil gallery (81) with the second hydraulic fluid port (83), described first hydraulic fluid port (82) is connected with the first oil pocket (9) all the time, described second hydraulic fluid port (82) is corresponding with piston (2), described second hydraulic fluid port (83) can be connected with the first oil pocket (9), when door is opened, hydraulic oil in second oil pocket (10) flow to the first oil pocket (9).
4. the enabling time delay floor spring according to any one of claims 1 to 3, is characterized in that, the cross section of described cam (5) is symmetrical about its center line.
5. enabling time delay floor spring according to claim 4, it is characterized in that, when door opening angle is 65 °, cam (5) is 16 ~ 16.5mm with the distance (D1) of roller contact point place distance cam (5) center line, and the distance (D2) apart from cam end points is 10.5 ~ 11mm;
When door opening angle is 90 °, cam (5) is 15 ~ 15.4mm with the distance (D3) of roller contact point place distance cam centre line, and the distance (D4) apart from cam end points is 16.5 ~ 17mm.
6. enabling time delay floor spring according to claim 5, it is characterized in that, when door opening angle is 75 °, cam (5) is 16.7 ~ 17mm with the distance (D5) of roller contact point place distance cam centre line, and the distance (D6) apart from cam end points is 12.5 ~ 12.8mm;
When door opening angle is 85 °, cam (5) is 15.6 ~ 15.9mm with the distance (D7) of roller contact point place distance cam centre line, and the distance (D8) apart from cam end points is 14.4 ~ 14.7mm.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510483173.8A CN104989208B (en) | 2015-08-07 | 2015-08-07 | Mechanical open gate delay floor spring |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510483173.8A Division CN104989208B (en) | 2015-08-07 | 2015-08-07 | Mechanical open gate delay floor spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105401819A true CN105401819A (en) | 2016-03-16 |
Family
ID=54301079
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610121895.3A Pending CN105525820A (en) | 2015-08-07 | 2015-08-07 | Cam type door-opening delay floor spring |
| CN201510830608.1A Pending CN105401819A (en) | 2015-08-07 | 2015-08-07 | Door opening delay floor spring |
| CN201510831271.6A Expired - Fee Related CN105370127B (en) | 2015-08-07 | 2015-08-07 | Floor spring with function of delaying door opening |
| CN201510483173.8A Expired - Fee Related CN104989208B (en) | 2015-08-07 | 2015-08-07 | Mechanical open gate delay floor spring |
| CN201610121781.9A Pending CN105569482A (en) | 2015-08-07 | 2015-08-07 | Cam control type door opening delay floor spring |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610121895.3A Pending CN105525820A (en) | 2015-08-07 | 2015-08-07 | Cam type door-opening delay floor spring |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510831271.6A Expired - Fee Related CN105370127B (en) | 2015-08-07 | 2015-08-07 | Floor spring with function of delaying door opening |
| CN201510483173.8A Expired - Fee Related CN104989208B (en) | 2015-08-07 | 2015-08-07 | Mechanical open gate delay floor spring |
| CN201610121781.9A Pending CN105569482A (en) | 2015-08-07 | 2015-08-07 | Cam control type door opening delay floor spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN105525820A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370127A (en) * | 2015-08-07 | 2016-03-02 | 佛山市奥达金属制品有限公司 | Floor spring with function of delaying door opening |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193875A (en) * | 2016-09-13 | 2016-12-07 | 佛山市奥达金属制品有限公司 | Floor spring |
| CN109695391A (en) * | 2018-04-24 | 2019-04-30 | 青岛海尔股份有限公司 | Door closer and refrigerator with the door closer |
| CN108443391A (en) * | 2018-05-22 | 2018-08-24 | 杨华富 | A kind of spring assembly and door |
| CN110821328B (en) * | 2019-10-29 | 2021-01-19 | 佛山市顺德区象力五金弹簧有限公司 | Floor spring with high door opening and closing stability |
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2015
- 2015-08-07 CN CN201610121895.3A patent/CN105525820A/en active Pending
- 2015-08-07 CN CN201510830608.1A patent/CN105401819A/en active Pending
- 2015-08-07 CN CN201510831271.6A patent/CN105370127B/en not_active Expired - Fee Related
- 2015-08-07 CN CN201510483173.8A patent/CN104989208B/en not_active Expired - Fee Related
- 2015-08-07 CN CN201610121781.9A patent/CN105569482A/en active Pending
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| CN1085287A (en) * | 1992-06-08 | 1994-04-13 | 李文铉 | Door pivot |
| CN1247264A (en) * | 1999-05-14 | 2000-03-15 | 深圳市红门机电设备有限公司 | Buffer for drive mechanism of telescopic door |
| US20080034535A1 (en) * | 2006-07-20 | 2008-02-14 | Chi-Tsao Chiang | Door closer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105370127A (en) * | 2015-08-07 | 2016-03-02 | 佛山市奥达金属制品有限公司 | Floor spring with function of delaying door opening |
| CN105525820A (en) * | 2015-08-07 | 2016-04-27 | 佛山市奥达金属制品有限公司 | Cam type door-opening delay floor spring |
| CN105569482A (en) * | 2015-08-07 | 2016-05-11 | 佛山市奥达金属制品有限公司 | Cam control type door opening delay floor spring |
| CN105370127B (en) * | 2015-08-07 | 2017-02-01 | 佛山市奥达金属制品有限公司 | Floor spring with function of delaying door opening |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105525820A (en) | 2016-04-27 |
| CN105370127A (en) | 2016-03-02 |
| CN104989208B (en) | 2016-11-30 |
| CN105370127B (en) | 2017-02-01 |
| CN105569482A (en) | 2016-05-11 |
| CN104989208A (en) | 2015-10-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160316 |