CN105569483A - Controllable door opening delay sky spring - Google Patents
Controllable door opening delay sky spring Download PDFInfo
- Publication number
- CN105569483A CN105569483A CN201610052930.0A CN201610052930A CN105569483A CN 105569483 A CN105569483 A CN 105569483A CN 201610052930 A CN201610052930 A CN 201610052930A CN 105569483 A CN105569483 A CN 105569483A
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- Prior art keywords
- oil
- fluid port
- hydraulic fluid
- door
- time
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- 239000003921 oil Substances 0.000 claims abstract description 162
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 45
- 239000012530 fluid Substances 0.000 claims description 74
- 230000000694 effects Effects 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
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- 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
- E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
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- 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
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/14—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with double-acting springs, e.g. for closing and opening or checking and closing no material
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- 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
- E05F3/12—Special devices controlling the circulation of the liquid, e.g. valve arrangement
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/638—Cams; Ramps
Landscapes
- Fluid-Damping Devices (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention discloses a controllable door opening delay sky spring. The controllable door opening delay sky spring comprises a shell, a cover and a buffer device; the buffer device is arranged in the shell; a bracket is arranged on one side of the shell; the shell is inverted on a building basal body through the bracket; the cover is buckled with the shell; the buffer device includes a first piston; the shell 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 buffer device; the shell is provided with a main oil way; the first oil cavity and the second oil cavity are communicated through the main oil way; an adjusting valve is arranged on the main oil way; the first piston is provided with a controllable side oil way; the controllable side oil way is communicated with the main oil way, and includes a vertical part; and the vertical part is perpendicular to the axial direction of the shell. The sky spring is inverted on the building basal body through the bracket, so that the mounting steps are simplified; the adjusting valve is arranged on the main oil way; the controllable side oil way is arranged; and the adjusting valve adjusts and controls the flowing speed of hydraulic oil flowing to the controllable side oil way, so that the resistance is not increased in a certain angle range in door opening so as to realize door opening delay.
Description
Technical field
The invention belongs to a kind of door closer-holder, especially relate to a kind of controllable type enabling time delay sky spring.
Background technology
It spring when mounted, needs to reserve reserved place on building substrate, and for the installation of sky spring, by whole sky spring fitting in reserved place, this mounting means is not easy to installation and the maintenance of day spring.In use, door rotates and drives the cam in sky spring to rotate it spring, and door can rotate on sky spring, realizes opening the door and closing the door.But existing sky spring only has delay function of closing the door, and within the scope of the certain angle namely before door is closed completely, the spring of sky spring inner has cushioning effect power, cam is rotated slowly, thus makes the closing velocity of door slower; Due to 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 controllable type enabling time delay sky spring, at least one in can solving the problem.
According to an aspect of the present invention, provide a kind of controllable type enabling time delay sky spring, comprise housing, lid and buffer, buffer is located in housing, housing side is provided with support, housing passes through support upside-down mounting on building substrate, lid and housing are interlocked, buffer comprises first piston, housing is provided with the first oil pocket and the second oil pocket, first oil pocket and the second oil pocket lay respectively at the both sides of buffer, 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, first piston is provided with controlled side oil circuit, controlled side oil circuit is connected with working connection, controlled side oil circuit comprises vertical component effect, vertical component effect and housing are axially perpendicular.
The invention has the beneficial effects as follows: due to by support by sky spring upside-down mounting on building substrate, without the need to reserving reserved place in advance on building substrate, simplify installation steps; 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; Be provided with vertical component effect, offering of controlled side oil circuit can be facilitated, reduce machining accuracy.
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, one end of vertical component effect and one end of groove mutually concordant.Thus, 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 of controllable type enabling time delay sky of the present invention spring;
Structural representation when Fig. 2 is the enabling of controllable type enabling time delay sky of the present invention spring;
Fig. 3 is the sectional structure schematic diagram of Fig. 2;
The structural representation that Fig. 4 is controllable type enabling time delay sky of the present invention spring when door opens 65 °;
Fig. 5 is the sectional structure schematic diagram of Fig. 4;
The structural representation that Fig. 6 is controllable type enabling time delay sky of the present invention spring when door opens 130 °;
Fig. 7 is the sectional structure schematic diagram of Fig. 6;
Fig. 8 is that controllable type enabling time delay sky of the present invention spring is at structural representation at closing time;
Fig. 9 is the sectional structure schematic diagram of Fig. 8;
The structural representation that Figure 10 is controllable type enabling time delay sky of the present invention spring when door closes 25 °;
Figure 11 is the sectional structure schematic diagram of Figure 10;
Figure 12 is the structural representation of controllable type enabling time delay sky spring of the present invention when door buttoned-up status;
Figure 13 is the sectional structure schematic diagram of Figure 12;
Figure 14 is the structural representation of double overflow safeties in controllable type enabling time delay sky of the present invention spring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
With reference to Fig. 1: controllable type enabling time delay sky spring, comprise housing 1, lid and buffer 2, buffer 2 is located in housing 1, housing 1 side is provided with support 11, housing 1 passes through support 11 upside-down mounting on building substrate, support 11 offers screwed hole, and support 11 is fastened by bolts on building substrate; Lid and housing 1 are interlocked, and lid can be fixed by screw with housing 1, also can be interlocked by the fixture block that cooperatively interacts and draw-in groove.Buffer 2 comprises first piston 21, and 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, first oil pocket 3 is connected by working connection 5 with the second oil pocket 4, working connection 5 is provided with control valve 6, first piston 21 is provided with controlled side oil circuit 7, controlled side oil circuit 7 is connected with working connection 5, controlled side oil circuit 7 comprises vertical component effect 71, and vertical component effect 71 is axially perpendicular with housing 1.In use, door is arranged on buffer 2 controllable type enabling time delay sky of the present invention spring, 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.
One end of vertical component effect 71 is mutually concordant with one end of groove 211.Be provided with vertical component effect 71, make the hydraulic oil in the second oil pocket 4 when enabling time-delay valve 63 and groove 211 flow to vertical component effect 71, the hydraulic oil in groove 211 can flow to vertical component effect 71 place, and the horizontal part 72 finally by vertical component effect 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 vertical component effect 71 through horizontal part 72, then when flowing to groove 211, the second oil pocket 4 is flow to finally by the second back oil road 54.
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 the use safety of this controllable type enabling time delay sky 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.
In use, the turning cylinder of door is arranged on cam 24 controllable type enabling time delay sky of the present invention spring, 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 (10)
1. controllable type enabling time delay sky spring, it is characterized in that, comprise housing (1), lid and buffer (2), described buffer (2) is located in housing (1), described housing (1) side is provided with support, described housing (1) by support (11) upside-down mounting on building substrate, described lid and housing (1) are interlocked, 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 controlled side oil circuit (7) comprises vertical component effect (71), described vertical component effect (71) is axially perpendicular with housing (1).
2. controllable type enabling time delay sky according to claim 1 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. controllable type enabling time delay sky according to claim 2 spring, it is characterized in that, described working connection (5) comprises the first back oil road (53) and 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. controllable type enabling time delay sky according to claim 3 spring, it is characterized in that, described control valve (6) comprises first closing the door time-delay valve (61) of being arranged in order, second closes the door time-delay valve (62) and 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 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. controllable type enabling time delay sky according to claim 2 spring, is characterized in that, one end of described vertical component effect (71) is mutually concordant with one end of groove (211).
6. controllable type enabling time delay sky according to claim 4 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. controllable type enabling time delay sky according to claim 6 spring, it is characterized in that, described buffer (2) also comprises the second piston (22), 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 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. controllable type enabling time delay sky according to claim 7 spring, it is characterized in that, 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.
9. the controllable type enabling time delay sky spring according to claim 7 or 8, 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.
10. the controllable type enabling time delay sky spring according to claim 7 or 8, 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052930.0A CN105569483A (en) | 2016-01-26 | 2016-01-26 | Controllable door opening delay sky spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052930.0A CN105569483A (en) | 2016-01-26 | 2016-01-26 | Controllable door opening delay sky spring |
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| CN105569483A true CN105569483A (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610052930.0A Pending CN105569483A (en) | 2016-01-26 | 2016-01-26 | Controllable door opening delay sky spring |
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| CN (1) | CN105569483A (en) |
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| GB2323125B (en) * | 1997-03-15 | 2001-05-30 | Freeman & Pardoe Ltd | Electronic door closer |
| CN201850898U (en) * | 2010-10-28 | 2011-06-01 | 肇庆市志成气动有限公司 | Multifunctional floor spring |
| CN202064758U (en) * | 2011-05-24 | 2011-12-07 | 肇庆市志盛门控五金有限公司 | High-load bearing floor spring |
| EP2570578A1 (en) * | 2010-05-14 | 2013-03-20 | Sugatsune Kogyo CO., LTD. | Door opening and closing device |
| CN105401821A (en) * | 2015-11-25 | 2016-03-16 | 佛山市奥达金属制品有限公司 | Controllable top spring delaying door opening |
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2016
- 2016-01-26 CN CN201610052930.0A patent/CN105569483A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2323125B (en) * | 1997-03-15 | 2001-05-30 | Freeman & Pardoe Ltd | Electronic door closer |
| EP2570578A1 (en) * | 2010-05-14 | 2013-03-20 | Sugatsune Kogyo CO., LTD. | Door opening and closing device |
| CN201850898U (en) * | 2010-10-28 | 2011-06-01 | 肇庆市志成气动有限公司 | Multifunctional floor spring |
| CN202064758U (en) * | 2011-05-24 | 2011-12-07 | 肇庆市志盛门控五金有限公司 | High-load bearing floor spring |
| CN105401821A (en) * | 2015-11-25 | 2016-03-16 | 佛山市奥达金属制品有限公司 | Controllable top spring delaying door opening |
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