CN105401820A - Oil circuit controlled door closing delay floor spring - Google Patents
Oil circuit controlled door closing delay floor spring Download PDFInfo
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- CN105401820A CN105401820A CN201510831141.2A CN201510831141A CN105401820A CN 105401820 A CN105401820 A CN 105401820A CN 201510831141 A CN201510831141 A CN 201510831141A CN 105401820 A CN105401820 A CN 105401820A
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- oil
- door
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- hydraulic fluid
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Abstract
The invention discloses an oil circuit control door closing delay floor spring which comprises a housing and a buffering device, wherein the buffering device is arranged in the housing, and comprises a first piston; the housing is provided with a first oil cavity and a second oil cavity; the first oil cavity and the second oil cavity are respectively positioned on two sides of the buffering device; the housing is provided with a main oil circuit; the first oil cavity and the second oil cavity communicate with each other through the main oil circuit; an adjusting valve is arranged on the main oil circuit; and the first piston is provided with a controllable side oil circuit communicating with the main oil circuit. When a door is opened, hydraulic oil passes through the controllable side oil circuit to flow from the second oil cavity to the first oil cavity; the adjusting valve is arranged on the main oil circuit, the controllable side oil circuit is arranged on the first piston, and the speed of hydraulic oil flowing to the controllable side oil circuit can be controlled through adjustment of the adjusting valve, so that the speed of hydraulic oil flowing into the two oil cavities is controlled, and the resistance is not increased when the door is opened within a certain angle to realize door opening delay and avoid collision between the door and an interferent when the door is opened.
Description
The application is the divisional application of " enabling time delay floor spring ", and the applying date of original application is 2015.07.29, and application number is 201510459310.4, and the invention and created name of original application is: enabling time delay floor spring.
Technical field
The invention belongs to a kind of door closer-holder, especially relate to a kind of oil circuit and control to close gate 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
A kind of oil circuit is the object of the present invention is to provide to control to close gate delay floor spring, at least one in can solving the problem.
According to an aspect of the present invention, provide a kind of oil circuit to control to close gate delay floor spring, comprise housing and buffer, buffer is located in housing, buffer comprises first piston, housing is provided with the first oil pocket and the second oil pocket, and the first oil pocket and the second oil pocket lay respectively at the both sides of buffer, and housing is provided with working connection, first oil pocket is connected by working connection with the second oil pocket, working connection is provided with control valve, and first piston is provided with controlled side oil circuit, and controlled side oil circuit is connected with working connection.
The invention has the beneficial effects as follows: when opening the door, hydraulic oil flow to the first oil pocket through controlled side oil circuit from the second oil pocket, working connection is provided with control valve, and on first piston, be provided with controlled side oil circuit, the flow velocity of controlled side oil circuit can be flow to by the regulable control hydraulic oil of control valve, thus control hydraulic oil to the flowing velocity in two oil pockets, make not have resistance to increase in certain angle scope when opening the door, and then realizing enabling time delay, when preventing from opening the door, door collides with interfering object.
In some embodiments, the side of working connection is provided with the first hydraulic fluid port and the second hydraulic fluid port, first piston offers groove, distance between first hydraulic fluid port and the second hydraulic fluid port is greater than the length of groove, controlled side oil circuit is connected with working connection by groove, the first hydraulic fluid port, or is connected with working connection by groove, the second hydraulic fluid port.Thus, along with the movement of first piston in buffer, what change groove and the first hydraulic fluid port and the second hydraulic fluid port is communicated with situation, realizes the circulation of hydraulic oil in the oil circuit of controlled side, conveniently realizes enabling time delay.
In some embodiments, working connection comprises the first back oil road and the second back oil road, and hydraulic oil during enabling in the second oil pocket flows to the first oil pocket, and the hydraulic oil at closing time in the first oil pocket flows to the second oil pocket.Thus, the circulation that the first back oil road and the second back oil road are convenient to hydraulic oil in two oil pockets is provided with.
In some embodiments, control valve comprises the first time-delay valve, second of closing the door be arranged in order and to close the door time-delay valve and enabling time-delay valve, first close the door time-delay valve and enabling time-delay valve of time-delay valve, second of closing the door all is located on the first back oil road, first hydraulic fluid port is connected with the second back oil road with the second hydraulic fluid port, second close the door time-delay valve and enabling time-delay valve lays respectively at the both sides of the first hydraulic fluid port, and enabling time-delay valve is positioned at the second hydraulic fluid port place place.Thus, be provided with the first time-delay valve and second of closing the door and close the door time-delay valve, can adjusting door closing time working connection on hydraulic oil flow velocity, thus realize closing gate delay; Be provided with enabling time-delay valve, regulator solution force feed can enter the flow velocity of the second hydraulic fluid port, conveniently realize enabling time delay.
In some embodiments, controlled side oil circuit comprises rake, and one end of rake is mutually concordant with one end of groove, and the angle of rake and housing axis is 61 °.Thus, be provided with rake, hydraulic oil circulated in the oil circuit of controlled side smooth and easy, the hydraulic oil occurred under avoiding rake and the axial vertical case of housing occurs cushioning phenomenon, ensure that the normal circulation of hydraulic oil during enabling.
In some embodiments, when open angle is 0 ~ 65 °, the hydraulic oil in the second oil pocket flow to the first oil pocket through the second back oil road and the first hydraulic fluid port;
When open angle is 65 ~ 130 °, the hydraulic oil in the second oil pocket flow to the first oil pocket through the second back oil road and the second hydraulic fluid port, by regulating enabling time-delay valve hydraulic control oil through the flow velocity of the second back oil road.Thus, regulate enabling time-delay valve, when making open angle be 65 ~ 130 °, through the hydraulic oil flows decrease of the second hydraulic fluid port, add resistance during running of hydraulic power oil, thus resistance when adding enabling, enabling speed is slowed down, realizes enabling time delay.
In some embodiments, buffer also comprises the second piston, the opposite side of working connection is provided with the 3rd hydraulic fluid port and the 4th hydraulic fluid port, 3rd hydraulic fluid port and first time-delay valve of closing the door is connected, one end is positioned at first and closes the door time-delay valve place, 4th hydraulic fluid port and second time-delay valve of closing the door is connected, and one end is positioned at second and closes the door time-delay valve place.Thus, be provided with the 3rd hydraulic fluid port and the 4th hydraulic fluid port, hydraulic oil at closing time can be controlled and enter the speed of the second oil pocket from the first oil pocket, facilitate adjusting door closing speed.
In some embodiments, when angle of closing the door is 90 ~ 25 °, the hydraulic oil in the first oil pocket flow to the second oil pocket through the 3rd hydraulic fluid port, the 4th hydraulic fluid port, the first oil duct, first time-delay valve and second time-delay valve of closing the door of closing the door;
When angle of closing the door is 25 ~ 0 °, the 3rd hydraulic fluid port is closed by the second piston, and the hydraulic oil in the first oil pocket flow to the second oil pocket through close the door time-delay valve and the first oil duct of the 4th hydraulic fluid port, second.Thus, when angle of closing the door is 25 ~ 0 °, the hydraulic oil of the first oil pocket enters into slowing of the second oil pocket, and the resistance of running of hydraulic power oil increases, thus makes door closing speed slack-off, realizes closing gate delay.
In some embodiments, the second piston is provided with double overflow safeties, and double overflow safeties comprise the contrary one way valve of two installation directions.Thus, being provided with double overflow safeties, under spill port stopping state in any direction can be guaranteed, by starting double overflow safeties during pressure reinforcement, guaranteeing the safety in utilization of product.
In some embodiments, buffer also comprises supporting plate, cam, spring and connecting rod, supporting plate, cam, spring and connecting rod are installed in housing, cam is arranged on supporting plate, and drive supporting plate axially-movable, connecting rod is two, spring housing is located at outside connecting rod, one end of two connecting rods is all fixed with supporting plate, and wherein the other end of a connecting rod is set in first piston, and the other end of another root connecting rod is set in the second piston.Thus, ensure that the door normal rotation be arranged on buffer.
Accompanying drawing explanation
Fig. 1 is the structural representation that oil circuit of the present invention controls to close gate delay floor spring;
Structural representation when Fig. 2 is the enabling of oil circuit of the present invention control pass gate delay floor spring;
Fig. 3 is the sectional structure schematic diagram of Fig. 2;
Fig. 4 is that oil circuit of the present invention controls to close the gate delay floor spring structural representation when door opens 65 °;
Fig. 5 is the sectional structure schematic diagram of Fig. 4;
Fig. 6 is that oil circuit of the present invention controls to close the gate delay floor spring structural representation when door opens 130 °;
Fig. 7 is the sectional structure schematic diagram of Fig. 6;
Fig. 8 is that oil circuit of the present invention controls to close gate delay floor spring at structural representation at closing time;
Fig. 9 is the sectional structure schematic diagram of Fig. 8;
Figure 10 is that oil circuit of the present invention controls to close the gate delay floor spring structural representation when door closes 25 °;
Figure 11 is the sectional structure schematic diagram of Figure 10;
Figure 12 is that oil circuit of the present invention controls to close the structural representation of gate delay floor spring when door buttoned-up status;
Figure 13 is the sectional structure schematic diagram of Figure 12;
Figure 14 is the structural representation that oil circuit of the present invention controls to close double overflow safeties in gate delay floor spring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
With reference to Fig. 1: oil circuit controls to close gate delay floor spring, comprise housing 1 and buffer 2, buffer 2 is located in housing 1, and buffer 2 comprises first piston 21, housing 1 is provided with the both sides that the first oil pocket 3 and the second oil pocket 4, first oil pocket 3 and the second oil pocket 4 lay respectively at buffer 2.Housing 1 offers working connection 5, and the first oil pocket 3 is connected by working connection 5 with the second oil pocket 4, and working connection 5 is provided with control valve 6, and first piston 21 is provided with controlled side oil circuit 7, and controlled side oil circuit 7 is connected with working connection 5.Oil circuit of the present invention controls to close gate delay floor spring in use, and door is arranged on buffer 2, and door rotates and drives buffer 2 to move at housing 1, and buffer 2 clamshell doors and door closing speed cushion.
As shown in Figure 1, Figure 2 and Figure 3, the side of working connection 5 offers the first hydraulic fluid port 51 and the second hydraulic fluid port 52, first piston 21 offers groove 211, distance between first hydraulic fluid port 51 and the second hydraulic fluid port 52 is greater than the length (namely along the length of the axial direction of housing 1) of groove 211, controlled side oil circuit 7 is connected with working connection 5 by groove 211, first hydraulic fluid port 51, or is connected with working connection 5 by groove 211, second hydraulic fluid port 52.
Working connection 5 comprises the first back oil road 53 and the second back oil road 54, and hydraulic oil during enabling in the second oil pocket 4 flows to the first oil pocket 3, and the hydraulic oil at closing time in the first oil pocket 3 flows to the second oil pocket 4.
Control valve 6 comprises the first time-delay valve 61, second of closing the door be arranged in order and to close the door time-delay valve 62 and enabling time-delay valve 63, first close the door time-delay valve 62 and enabling time-delay valve 63 of time-delay valve 61, second of closing the door all is located on the first back oil road 53, first hydraulic fluid port 51 is connected with the second back oil road 54 with the second hydraulic fluid port 52, second close the door time-delay valve 62 and enabling time-delay valve 63 lays respectively at the both sides of the first hydraulic fluid port 51, and enabling time-delay valve 63 is positioned at the second hydraulic fluid port 52 place place.
By rotate first close the door time-delay valve 61 can hydraulic control oil in the flowing velocity of the first back oil road 53, when the first through hole of closing the door in time-delay valve 61 is relative with the first back oil road 53, maximum through first the close the door hydraulic oil flow velocity of time-delay valve 61 to the first back oil road 53; Rotate first to close the door time-delay valve 61, when the first through hole of closing the door in time-delay valve 61 is relative with the first back oil road 53 part, the hydraulic oil flows decrease of time-delay valve 61 to the first back oil road 53 of closing the door through first.By regulate first close the door time-delay valve 61 can the flowing velocity of regulator solution force feed, thus realize the control to door closing speed.
The speed of the second back oil road 54 can be flow to through the first back oil road 53 and second switch time-delay valve 62 by hydraulic control oil by rotating the second time-delay valve 62 of closing the door; By rotating enabling time-delay valve 63, can the oily speed entering into controlled side oil circuit 7 through enabling time-delay valve 63 of hydraulic control.
Controlled side oil circuit 7 comprises rake 71, and one end of rake 71 is mutually concordant with one end of groove 211, and rake 71 is 61 ° with the angle of housing 1 axis.Be provided with rake 71, make the hydraulic oil in the second oil pocket 4 when enabling time-delay valve 63 and groove 211 flow to rake 71, the hydraulic oil in groove 211 can rapidly flow to rake 71 place, and the horizontal part 72 finally by rake 71 other end flow to the first oil pocket 3.In like manner, when the hydraulic oil in the first oil pocket 3 flow to rake 71 through horizontal part 72, then when flowing to groove 211, hydraulic oil can seamlessly transit at the two ends of rake 71, ensures the flow velocity of hydraulic oil, flow to the second oil pocket 4 finally by the second back oil road 54.Thus, be provided with rake 71, when the two ends that can prevent hydraulic oil from flowing to rake 71 need to turn to there is buffering or backflow phenomenon in hydraulic oil, ensure that the smooth outflow of hydraulic oil, ensure that the door on buffer 2 can be opened stably or close.
As shown in Figures 1 to 5, when open angle is 0 ~ 65 °, the hydraulic oil in the second oil pocket 4 flow to the first oil pocket 3 through the second back oil road 54 and the first hydraulic fluid port 51; Hydraulic oil in second oil pocket 4 is depressed in the first oil pocket 3 under external force gradually, and hydraulic oil flow to the first oil pocket 3 through the second back oil road 54, first hydraulic fluid port 51 and controlled side oil circuit 7.
As shown in Fig. 1, Fig. 6 and Fig. 7, along with the unlatching gradually of door, first piston 21 moves to the second oil pocket 4 place gradually, when open angle is 65 ~ 130 °, first hydraulic fluid port 51 blocks by first piston 21, groove 211 on first piston 21 is connected with the second hydraulic fluid port 52, and the hydraulic oil in the second oil pocket 4 flow to the first oil pocket 3 through the second back oil road 54 and the second hydraulic fluid port 52, by regulating enabling time-delay valve 63 hydraulic control oil through the flow velocity of the second back oil road 54.When the aperture that the through hole on enabling time-delay valve 63 communicates with the second hydraulic fluid port 52 reduces, second back oil road 54 flow to the hydraulic oil flows decrease of the second hydraulic fluid port 52, thus hydraulic oil in the second oil pocket 4 slows down to the flowing velocity of the first oil pocket 3, and then, resistance when the hydraulic action Xiamen that hydraulic oil produces is rotated increases, door resistance in even power situation is increased, enabling speed is slowed down, realizes enabling time delay.
Buffer 2 also comprises the second piston 22, and the opposite side of working connection 5 offers the 3rd hydraulic fluid port 55 and the 4th hydraulic fluid port the 56, three hydraulic fluid port 55 and first time-delay valve 61 of closing the door and is connected, and one end is positioned at first and closes the door time-delay valve 61 place; 4th hydraulic fluid port 56 and second time-delay valve 62 of closing the door is connected, and one end is positioned at second and closes the door time-delay valve 62 place.
As shown in Fig. 1, Fig. 8 and Fig. 9, when angle of closing the door is 90 ~ 25 °, the hydraulic oil in the first oil pocket 3 flow to the second oil pocket 4 through the 3rd hydraulic fluid port 55, the 4th hydraulic fluid port 56, first oil duct 53, first time-delay valve 61 and second time-delay valve 62 of closing the door of closing the door; Meanwhile, the groove 211 on first piston 21 is corresponding with the second hydraulic fluid port 52, and the hydraulic oil in the first oil pocket 3 also can be passed through controlled side oil circuit 7, groove 211, second hydraulic fluid port 52 and the second oil duct 53 and flow in the second oil pocket 4.
As Fig. 1, Figure 10, 11, shown in 12 and 13, along with the closedown gradually of door, second piston 22 moves to the direction of the first oil pocket 3 gradually, when angle of closing the door is 25 ~ 0 °, 3rd hydraulic fluid port 55 is closed by the second piston 22, thus make hydraulic oil reduce by a flow ports when flowing, slowed down the flowing velocity of hydraulic oil, hydraulic oil in first oil pocket 3 is through the 4th hydraulic fluid port 56, second close the door time-delay valve 62 and the first oil duct 53 flow to the second oil pocket 4, rotate second to close the door time-delay valve 62, the second time-delay valve 62 can be regulated to enter into the flowing velocity of the hydraulic oil of the 4th hydraulic fluid port 56.
In door closing procedure, the first time-delay valve 61 and second of closing the door can be regulated to close the door time-delay valve 62, realize the flowing velocity to hydraulic oil in the first back oil road 53.
As shown in Fig. 1 and Figure 14, in second piston 22, double overflow safeties 8 are installed, double overflow safeties 8 comprise the contrary one way valve of two installation directions, two one way valves are installed along the axial direction of housing 1, when there is blocking when the first oil pocket 3 or the second oil pocket 4 are in oil return, the oil pressure of side acts on corresponding one way valve, make corresponding one-way valve opens, hydraulic oil can be circulated by double overflow safeties 8, ensure that this oil circuit controls to close the use safety of gate delay floor spring.
Buffer 2 also comprises supporting plate 23, cam 24, spring 25 and connecting rod 26, supporting plate 23, cam 24, spring 25 and connecting rod 26 are installed in housing 1, cam 24 is arranged on supporting plate 23, drive supporting plate 23 axially-movable, connecting rod 26 is two, and spring 25 is set in outside connecting rod 26, and one end of two connecting rods 26 is all bolted to connection with supporting plate 23, wherein the other end of a connecting rod 26 is set in first piston 21, and the other end of another root connecting rod 26 is set in the second piston 22.
Oil circuit of the present invention controls to close gate delay floor spring in use, and the turning cylinder of door is arranged on cam 24, and door rotating band moving cam 24 rotates, and cam 24 drives supporting plate 23 and connecting rod 26 to move along the axial direction of housing 1 again.
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 (9)
1. oil circuit controls to close gate delay floor spring, it is characterized in that, comprise housing (1) and buffer (2), described buffer (2) is located in housing (1), described buffer (2) comprises first piston (21), described housing (1) is provided with the first oil pocket (3) and the second oil pocket (4), described first oil pocket (3) and the second oil pocket (4) lay respectively at the both sides of buffer (2), described housing (1) is provided with working connection (5), described first oil pocket (3) is connected by working connection (5) with the second oil pocket (4), described working connection (5) is provided with control valve (6), described first piston (21) is provided with controlled side oil circuit (7), described controlled side oil circuit (7) is connected with working connection (5), described working connection (5) comprises the first back oil road (53), the opposite side of described working connection (5) is provided with the 3rd hydraulic fluid port (55) and the 4th hydraulic fluid port (56), described control valve (6) comprises the first time-delay valve (61) and second of closing the door be arranged in order and to close the door time-delay valve (62),
When angle of closing the door is 90 ~ 25 °, the hydraulic oil in described first oil pocket (3) flow to the second oil pocket (4) through the 3rd hydraulic fluid port (55), the 4th hydraulic fluid port (56), the first oil duct (53), first time-delay valve (61) and second time-delay valve (62) of closing the door of closing the door;
When angle of closing the door is 25 ~ 0 °, 3rd hydraulic fluid port (55) is closed by described second piston (22), and the hydraulic oil in described first oil pocket (3) flow to the second oil pocket (4) through close the door time-delay valve (62) and the first oil duct (53) of the 4th hydraulic fluid port (56), second.
2. oil circuit according to claim 1 controls to close gate delay floor spring, it is characterized in that, the side of described working connection (5) is provided with the first hydraulic fluid port (51) and the second hydraulic fluid port (52), described first piston (21) offers groove (211), distance between described first hydraulic fluid port (51) and the second hydraulic fluid port (52) is greater than the length of groove (211), described controlled side oil circuit (7) is by groove (211), first hydraulic fluid port (51) is connected with working connection (5), or by groove (211), second hydraulic fluid port (52) is connected with working connection (5).
3. oil circuit according to claim 2 controls to close gate delay floor spring, it is characterized in that, described working connection (5) also comprises the second back oil road (54), hydraulic oil in second oil pocket (4) described in during enabling flows to the first oil pocket (3), and the hydraulic oil at closing time in described first oil pocket (3) flows to the second oil pocket (4).
4. oil circuit according to claim 3 controls to close gate delay floor spring, it is characterized in that, described control valve (6) also comprises enabling time-delay valve (63), described first closes the door time-delay valve (61), second close the door time-delay valve (62) and enabling time-delay valve (63) is arranged in order, described first closes the door time-delay valve (61), second close the door time-delay valve (62) and enabling time-delay valve (63) is all located on the first back oil road (53), described first hydraulic fluid port (51) is connected with the second back oil road (54) with the second hydraulic fluid port (52), described second close the door time-delay valve (62) and enabling time-delay valve (63) lays respectively at the both sides of the first hydraulic fluid port (51), described enabling time-delay valve (63) is positioned at the second hydraulic fluid port (52) place place.
5. oil circuit according to claim 2 controls to close gate delay floor spring, it is characterized in that, described controlled side oil circuit (7) comprises rake (71), one end of described rake (71) is mutually concordant with one end of groove (211), and described rake (71) is 61 ° with the angle of housing (1) axis.
6. oil circuit according to claim 4 controls to close gate delay floor spring, it is characterized in that, when open angle is 0 ~ 65 °, the hydraulic oil in described second oil pocket (4) flow to the first oil pocket (3) through the second back oil road (54) and the first hydraulic fluid port (51);
When open angle is 65 ~ 130 °, hydraulic oil in described second oil pocket (4) flow to the first oil pocket (3) through the second back oil road (54) and the second hydraulic fluid port (52), by regulating the flow velocity of enabling time-delay valve (63) hydraulic control oil through the second back oil road (54).
7. oil circuit according to claim 6 controls to close gate delay floor spring, it is characterized in that, described buffer (2) also comprises the second piston (22), described 3rd hydraulic fluid port (55) and first time-delay valve (61) of closing the door is connected, one end is positioned at first and closes the door time-delay valve (61) place, described 4th hydraulic fluid port (56) and second time-delay valve (62) of closing the door is connected, and one end is positioned at second and closes the door time-delay valve (62) place.
8. oil circuit according to claim 7 controls to close gate delay floor spring, it is characterized in that, described second piston (22) is provided with double overflow safeties (8), and described double overflow safeties (8) comprise the contrary one way valve of two installation directions.
9. oil circuit according to claim 7 controls to close gate delay floor spring, it is characterized in that, described buffer (2) also comprises supporting plate (23), cam (24), spring (25) and connecting rod (26), described supporting plate (23), cam (24), spring (25) and connecting rod (26) are installed in housing (1), described cam (24) is arranged on supporting plate (23), drive supporting plate (23) axially-movable, described connecting rod (26) is two, described spring (25) is set in connecting rod (26) outside, one end of two described connecting rods (26) is all fixed with supporting plate (23), wherein the other end of a connecting rod (26) is set in first piston (21), the other end of another root connecting rod (26) is set in the second piston (22).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459310.4A CN105019756B (en) | 2015-07-29 | 2015-07-29 | Enabling time delay floor spring |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510459310.4A Division CN105019756B (en) | 2015-07-29 | 2015-07-29 | Enabling time delay floor spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105401820A true CN105401820A (en) | 2016-03-16 |
Family
ID=54410016
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510828294.1A Pending CN105386670A (en) | 2015-07-29 | 2015-07-29 | Oil way control floor spring achieving delayed door opening |
| CN201510459310.4A Expired - Fee Related CN105019756B (en) | 2015-07-29 | 2015-07-29 | Enabling time delay floor spring |
| CN201510831141.2A Pending CN105401820A (en) | 2015-07-29 | 2015-07-29 | Oil circuit controlled door closing delay floor spring |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510828294.1A Pending CN105386670A (en) | 2015-07-29 | 2015-07-29 | Oil way control floor spring achieving delayed door opening |
| CN201510459310.4A Expired - Fee Related CN105019756B (en) | 2015-07-29 | 2015-07-29 | Enabling time delay floor spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN105386670A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499288A (en) * | 2016-12-27 | 2017-03-15 | 佛山市奥达金属制品有限公司 | Concealed floor spring and door |
| CN106704448A (en) * | 2016-12-27 | 2017-05-24 | 佛山市奥达金属制品有限公司 | Cold-resistant anti-freezing type floor spring |
| CN108458026A (en) * | 2018-05-22 | 2018-08-28 | 杨华富 | A kind of gas spring and door |
| CN109267865A (en) * | 2017-07-18 | 2019-01-25 | 朕豪工业股份有限公司 | Door closer |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386670A (en) * | 2015-07-29 | 2016-03-09 | 佛山市奥达金属制品有限公司 | Oil way control floor spring achieving delayed door opening |
| CN108894641B (en) * | 2018-07-10 | 2023-11-28 | 上海皇冠门控五金有限公司 | Split type device of floor spring oil cylinder |
| CN110005292A (en) * | 2019-04-22 | 2019-07-12 | 东莞力督门控设备有限公司 | Cam-type door closer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201155259Y (en) * | 2008-01-29 | 2008-11-26 | 东莞力督门控设备有限公司 | Door closer |
| JP2009052362A (en) * | 2007-08-29 | 2009-03-12 | Nippon Door Check Mfg Corp | Device for closing door |
| CN202031423U (en) * | 2011-04-28 | 2011-11-09 | 肇庆市志盛门控五金有限公司 | Door control top spring |
| CN102733702A (en) * | 2011-03-30 | 2012-10-17 | 台湾泰德轼股份有限公司 | Top and bottom hinge capable of adjusting back resistance |
| CN105019756A (en) * | 2015-07-29 | 2015-11-04 | 佛山市奥达金属制品有限公司 | Floor spring for door opening delaying |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013101054A (en) * | 2011-11-08 | 2013-05-23 | Canon Inc | Aspherical shape measurement device |
| CN204984040U (en) * | 2015-07-29 | 2016-01-20 | 佛山市奥达金属制品有限公司 | Time delay floor spring opens door |
-
2015
- 2015-07-29 CN CN201510828294.1A patent/CN105386670A/en active Pending
- 2015-07-29 CN CN201510459310.4A patent/CN105019756B/en not_active Expired - Fee Related
- 2015-07-29 CN CN201510831141.2A patent/CN105401820A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2009052362A (en) * | 2007-08-29 | 2009-03-12 | Nippon Door Check Mfg Corp | Device for closing door |
| CN201155259Y (en) * | 2008-01-29 | 2008-11-26 | 东莞力督门控设备有限公司 | Door closer |
| CN102733702A (en) * | 2011-03-30 | 2012-10-17 | 台湾泰德轼股份有限公司 | Top and bottom hinge capable of adjusting back resistance |
| CN202031423U (en) * | 2011-04-28 | 2011-11-09 | 肇庆市志盛门控五金有限公司 | Door control top spring |
| CN105019756A (en) * | 2015-07-29 | 2015-11-04 | 佛山市奥达金属制品有限公司 | Floor spring for door opening delaying |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499288A (en) * | 2016-12-27 | 2017-03-15 | 佛山市奥达金属制品有限公司 | Concealed floor spring and door |
| CN106704448A (en) * | 2016-12-27 | 2017-05-24 | 佛山市奥达金属制品有限公司 | Cold-resistant anti-freezing type floor spring |
| CN109267865A (en) * | 2017-07-18 | 2019-01-25 | 朕豪工业股份有限公司 | Door closer |
| CN108458026A (en) * | 2018-05-22 | 2018-08-28 | 杨华富 | A kind of gas spring and door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105019756A (en) | 2015-11-04 |
| CN105019756B (en) | 2016-09-14 |
| CN105386670A (en) | 2016-03-09 |
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Application publication date: 20160316 |