CN1083161A - Automatic door closer - Google Patents
Automatic door closer Download PDFInfo
- Publication number
- CN1083161A CN1083161A CN 92104659 CN92104659A CN1083161A CN 1083161 A CN1083161 A CN 1083161A CN 92104659 CN92104659 CN 92104659 CN 92104659 A CN92104659 A CN 92104659A CN 1083161 A CN1083161 A CN 1083161A
- Authority
- CN
- China
- Prior art keywords
- housing
- piston
- door closer
- crank axle
- oil
- 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
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Abstract
The present invention is a kind of novel door closer.It utilizes spring energy-storage, promotes piston, and the control oil return makes a process of closing steadily, reliably.BIQZ-I type automatic door closer opening angle can make door stably be held open state in the time of 85 °～100 °; When opening angle is 3 °, reinforcement gently, make door reliably, not have the ground of impact closed, this door closer is rational in infrastructure, compact, open and close is reliable, and is easy to use, do not have bump, noiselessness, compare with present similar products at home and abroad, performance improves greatly, has big popularizing value.
Description
The present invention relates to a kind of stable automatic door closer that opens and closes of door leaf that guarantees.
Damage door leaf and doorframe for preventing that bump from waiting, the assurance door leaf is stable to open and close, and people have developed automatic door closer, and the Swan automatic door closer of producing as Xi'an Aircraft Manufacturing Corporation is exactly an example.This door closer adopts fan tooth and two-sided interior tooth bar engagement, has during operation and impacts and the dead point, and the requirement on machining accuracy of part is higher in addition; Adopt cylindrical spring, in the door closer running, pressure changes undesirable, and the vibration impact noise is big when closing; The Rocker arm assembly complex structure, member rocks instability, poor effect ...It is better that the present invention is exactly the performance of developing at above-mentioned deficiency, the new type auto door closer of more reasonable structure.
Structural principle of the present invention is provided by accompanying drawing:
Figure one is a structure principle chart;
Figure two is the run location schematic diagram, the state when a is closed, the state when b is unlatching;
Figure three is trade mark, label schematic diagram;
Figure four is the straight burr schematic diagram of rocking arm or pull bar contact surface;
Figure five is droop adjustment screw and triangular groove schematic diagram thereof.
Shown in figure one～five, it wherein 1. is housing, 2. be installing hole, 3. be piston, 4. be rocking arm, 5. be crank axle, 6. be bearing, 7. be crankshaft base, 8. be pull bar, 9. be end cap, 10. be the oil strain sheet, (11) be check valve, (12) coat for nylon, (13) be droop adjustment screw, (14) be the oil return ditch, (15) be oil-recovery tank, (16) be spill port, (17) be connecting rod, (18) be oil cylinder, (19) be the taper stage clip, (20) be pressure oil, (21) be trade mark, (22) be adjusting bolt, (23) be the pull bar holder, (24) be doorframe, (25) be door Fan, (26) are that groove, (27) are triangular groove for label, (28) for straight burr, (29).
Now with reference to the accompanying drawings in conjunction with the embodiments, operating principle of the present invention is described below:
Pull bar holder (23) is fixed on the doorframe (24), 1. housing is fixed on the door leaf (25).When opening the door, because 8. people's thrust increase pull bar gradually with rocking arm angle 4., 4. rocking arm drives crank axle and 5. rotates, and 3. 5. crank axle move right by connecting rod (17) pulling piston and compress taper stage clip (19).3. in the process that moves right, the pressure oil (20) in the oil cylinder (18) 10. flows to piston left side 3. by one way valve (11) through the oil strain sheet at piston.When door was opened into 85 °～100 °, 3. piston moved near the top dead-centre, and pressure oil this moment (20) can only pass through spill port (16) return piston right side 3..The pressure oil that returns (20) is subjected to the damping force damping that droop adjustment screw (15) is set up, and this damping force makes piston 3. relatively stable near top dead-centre, guarantees the state that door leaf (25) is in out.When door need be closed, the opening angle of door leaf (25) is less than 85 °, then 3. piston leaves metastable state, under the promotion of taper stage clip (19), 3. piston is moved to the left, because of piston 3. the left side pressure oil (20) can only pass through spill port (16) return piston right side 3., under the effect of damping force, 3. piston can only move to the left with the speed of setting up, and connecting rod (17) then drives crank axle and 5. rotates reposefully, closes up reposefully thereby drive door leaf (25).When door leaf (25) to make position still has 3 ° of opening angles, oil return ditch (14) is communicated with the oil-recovery tank (15) that 3. piston is gone up, piston 3. the pressure oil (20) in left side by 3. right side of oil return ditch (14), oil-recovery tank (15) return piston, damping force disappears, the pressure of taper stage clip (19) directly be passed to connecting rod (17), crank axle 5., rocking arm 4., pull bar 8., pull bar holder (23), door leaf (25) cuts out reliably.
The present invention also has following characteristics:
1,3. piston adopts nylon to coat (12), has improved sealing performance effectively, has prolonged application life.
2, adopt taper stage clip (19), improved automatic door closer stationarity in the course of the work effectively.
3,4. 8. pull bar adopt the flat bar structure with rocking arm, can be parallel superimposed during work, pull bar 8. and the active length of rocking arm between 4. adjustable arbitrarily by regulating bolt (22).For the secure fixation of active length, 8. 4. suppressed straight burr (28) on the contact surface of superimposed position with rocking arm at pull bar.
4,9. two end cap adopts hexagonal socket head plug, and after installing, trade mark (21) is sticked in its outside, not only compactness but also attractive in appearance.
5,2. shell upside 1. is provided with several installing holes, and installing hole center line 2. at grade.Along fluted (26) on the installing hole position 2., after 1. shell is installed on the door leaf (25), label (27) can be inserted groove (26) and cover installing hole 2..
6, have the triangular groove (29) of a proper angle on the droop adjustment screw (13), this structure can effectively be regulated oil return speed in a big way.
7, crank axle 5. and the crank axle bed bearing is housed 6. between 7., reduce friction, guarantee reliable.
The present invention is rational in infrastructure, compact, and is reliable, easy to use, do not have bump, noiselessness, compares with present similar products at home and abroad, and performance improves greatly, has bigger popularizing value.
Claims (8)
1, a kind ofly be used for controlling the BIQZ-I type automatic door closer that door leaf opens and closes, it is characterized in that this door closer by housing 1., piston 3., crank axle 5., rocking arm 4., 8. pull bar form.
2,, it is characterized in that oil cylinder (18), end cap being arranged 9. on housing 1. according to the described automatic door closer of claim 1.
3,3., according to the described piston of claim 1 it is characterized in that having on piston 3. the oil strain sheet 10., one way valve (11); 3. piston coats (12) with nylon, and oil-recovery tank (15) is arranged on it; 5. 3. piston connected with crank axle by connecting rod (17), and taper stage clip (19) is arranged therebetween.
4,5., according to the described crank axle of claim 1 it is characterized in that crank axle 5. and the crank axle bed bearing is housed 6. between 7..
5,4. 8. adopt the flat bar structure with pull bar according to the described rocking arm of claim 1, both connect by regulating bolt (22), and straight burr (28) is arranged on the contact surface of superimposed position between the two.
6,1. according to the described housing of claim 1, it is characterized in that housing 1. upside several installing holes are arranged 2., installing hole center line 2. is at grade; The housing vertical with the installing hole center line be fluted (26) on the lateral surface 1., and label (27) can insert groove (26).
7,1. according to claim 1 and 2 described housings, it is characterized in that on the inwall of housing oil cylinder (18) 1. oil return ditch (14) being arranged, housing has spill port (16) on 1., spill port (16) is provided with droop adjustment screw (13), has the triangular groove (29) of a proper angle on the droop adjustment screw (13).
8,1., it is characterized in that 9. the end cap that 1. housing is gone up is hexagonal socket head plug, after installing, trade mark (21) is posted in the end cap outside 9. according to claim 1 and 2 described housings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92104659 CN1083161A (en) | 1992-07-21 | 1992-07-21 | Automatic door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92104659 CN1083161A (en) | 1992-07-21 | 1992-07-21 | Automatic door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1083161A true CN1083161A (en) | 1994-03-02 |
Family
ID=4940909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92104659 Pending CN1083161A (en) | 1992-07-21 | 1992-07-21 | Automatic door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1083161A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9995076B1 (en) | 2001-07-13 | 2018-06-12 | Steven M. Hoffberg | Intelligent door restraint |
| CN114809846A (en) * | 2018-04-02 | 2022-07-29 | 赛峰客舱公司 | Soft self-closing door damper |
-
1992
- 1992-07-21 CN CN 92104659 patent/CN1083161A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9995076B1 (en) | 2001-07-13 | 2018-06-12 | Steven M. Hoffberg | Intelligent door restraint |
| CN114809846A (en) * | 2018-04-02 | 2022-07-29 | 赛峰客舱公司 | Soft self-closing door damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |