CN1206436C - Oil-free door-closing device - Google Patents
Oil-free door-closing device Download PDFInfo
- Publication number
- CN1206436C CN1206436C CN 03101791 CN03101791A CN1206436C CN 1206436 C CN1206436 C CN 1206436C CN 03101791 CN03101791 CN 03101791 CN 03101791 A CN03101791 A CN 03101791A CN 1206436 C CN1206436 C CN 1206436C
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- speed
- door closer
- rotating shaft
- spring
- door
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Abstract
The present invention relates to an oil-free door-closing device which is composed of a shell, a power mechanism and a linking mechanism, wherein the linking mechanism is driven by an output main shaft of the power mechanism which is arranged in the shell, a piston is arranged in the shell, a spring of the door-closing device is sheathed in the piston, and the other end of the spring of the door-closing device is sheathed in a regulating nut which is screwed inwards form the outside of the shell. An eccentric guide wheel is fixed on the main shaft by using a key, a spring which is arranged in the guide wheel presses a rolling needle, a wheel sleeve is arranged outside one end of the guide wheel, a big spiral gear is arranged outside the wheel sleeve, the surface of the piston is dentate and is engaged with the guide wheel, a high-speed screw rod is engaged with the big spiral gear and is also provided with a small spiral gear, the small spiral gear is engaged with a rotating shaft, a reed is arranged on the rotating shaft, one end of the reed is fixed on a copper ring which is fixed on the rotating shaft, the other end of the reed is fixed on a speed regulating flange, the middle of the reed is provided with a balance block, and the rotating shaft is arranged in a bracket. The present invention is free from the influence of air temperature, and has no environment pollution, and a door can be automatically closed after the door is opened.
Description
Affiliated technical field
The present invention relates to the gating technology field, refer in particular to a kind of door closer.
Background technology
So-called door closer or door closer all are made up of actuating unit and link gear, and actuating unit is in housing, and housing is installed in the correct position of the upper end of door, and link gear is installed in the appropriate location of doorframe.The output main shaft drive link gear of actuating unit makes Men Kai or closes.Actuating unit has fluid pressure type, vapour-pressure type etc.At present, the door closer of selling on the market mostly is the fluid pressure type door closer, and its speed of closing the door is controlled by oil damping.In use, oil viscosity changes with temperature Change, and the variation of oil viscosity causes the variation of the speed of closing the door promptly to cause the speed instability of closing the door.Therefore say that the difference in season is the variation of temperature, the speed of closing the door all needs artificial adjustment.This is a defective of hydraulic pressure door closer, and another maximum defective is their also easy leakage of oils, oil impregnate, causes environment pollution, and after the door closer leakage of oil, the speed of closing the door Control Failure, application life is low.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective that prior art exists, a kind of no oily door closer is provided, it is not subjected to the influence of seasonal variations, and non-environmental-pollution can be closed the door after opening the door automatically.
For achieving the above object, the solution that the present invention takes is: a kind of no oily door closer, it is by housing, actuating unit and link gear are formed, the main shaft of actuating unit output drives link gear, actuating unit is in housing, it is characterized in that a piston is arranged in the housing, be inserted in the door closer spring in this piston, this door closer spring other end is inserted in the adjusting nut, and this adjusting nut is twisted outside housing inwards, fix the directive wheel of an off-centre on main shaft with a key, the spring that is contained in this directive wheel the inside is pushed down needle roller, and this directive wheel one end is adorned the wheel cover outward, and this takes turns the outer dress of cover large helical gear, the surface of described piston becomes dentation and directive wheel engagement, one high-speed screws and large helical gear engagement have bevel pinion on this high-speed screws, this bevel pinion and rotating shaft engagement, in this rotating shaft reed is housed, one of reed is fixed on the copper ring, and copper ring is fixed in the rotating shaft, and the reed other end speed that is fixed on is regulated on the flange, in the middle of the reed balance weight is housed, rotating shaft is contained in the support.
On the limit of described speed adjusting flange speed-regulating rack and adjustment screw and regulating spring are housed, are fixed with wearing piece on the adjustment screw.
When opening the door, drive main axis rotation by link gear, at this moment the door closer spring is compressed and since eccentric directive wheel, wheel cover, large helical gear constitute folk prescription to, non-angular, any position all can unidirectional rotation one-way drive mechanism in inactive state, the speed of opening the door is not subjected to any control.Door has been held successfully, needs at closing time, because the rebound effect of door closer spring is closed door automatically, starts one-way drive mechanism simultaneously.At this moment can both work in any angle, because directive wheel is eccentric, needle roller is tightly pushed down by spring, drive main axis rotation, large helical gear drives the high-speed screws rotation on the main shaft, on this high-speed screws bevel pinion is arranged, reed and balance weight, speed adjusting flange are equipped with in this bevel pinion and rotating shaft engagement in this rotating shaft.This speed speed is controlled by the some shelves of adjustment screw, because speed is fast more, the knockout press of balance weight is big more, and speed is regulated the flange shift position and promptly rotated just manyly more so, as long as control rate is regulated the flange position, just can stablize and control the door closer rotating speed.By adjusting adjustment screw is that wearing piece on it is regulated the long-pending and elasticity of flange contact facings with speed, can control the rotating speed of main shaft with regard to the velocity of rotation of adjustable speed adjusting flange.Door has shut, and the door closer spring has also resetted, and prepares for opening the door next time.
In sum, this does not have oily door closer and has following characteristics:
Speed when 1, opening the door is uncontrolled, free, at closing time admission velocity control automatically; Can divide some grades of speed to regulate arbitrarily by the angle of door, governing speed is convenient.
2,, just do not have what leakage of oil, oil impregnate yet, cause the situation of environment pollution because actuating unit does not relate to hydraulic oil.
3, be not subjected to seasonal effect, it is constant, stable that the speed of closing the door once determines to need not to adjust the speed of closing the door that promptly regulates again.
Description of drawings
Below in conjunction with embodiment and accompanying drawing thereof the present invention is remake description.
Fig. 1 is the main TV structure schematic diagram of present embodiment.
Fig. 2 is the left TV structure schematic diagram of present embodiment.
Fig. 3 is the right TV structure schematic diagram (remove link gear, amplify) of present embodiment.
Fig. 4 is the A-A fragmentary cross-sectional view (amplification) of Fig. 1.
Fig. 5 is the B-B fragmentary cross-sectional view of Fig. 3.
Among the figure: 1, shell, 2, the flange hold-down screw, 3, mounting flange, 4, flower type pad, 5, the connecting rod hold-down screw, 6, adjusting screw(rod), 7, nut, 8, adjustable pipe, 9, connecting rod, 10, pad, 11, hold-down screw, 12, piston, 13, the door closer spring, 14, needle roller, 15, spring, 16, directive wheel, 17, the wheel cover, 18, large helical gear, 19, key, 20, holder, 21, the holder screw, 22, steel ball, 23, high-speed screws, 24, steel ball, 25, bevel pinion, 26, positioning seat, 27, the positioning seat hold-down screw, 28, adjusting nut, 29, screw, 30, lasso, 31, nut, 32, adjustment screw, 33, nut, 34, adjustment screw, 35, regulating spring, 36, the support hold-down screw, 37, the base plate hold-down screw, 38, gasket seal, 39, base plate, 40, the axle sleeve screw, 41, axle sleeve, 42, the protective cover rivet, 43, protective cover, 44, the torsion spring fixing pin, 45, torsion spring, 46, speed-regulating rack, 47, wearing piece, 48, steel ball, 49, the axle screw, 50, speed is regulated flange, 51, the reed hold-down screw, 52, reed, 53, the balance weight hold-down screw, 54, balance weight, 55, copper ring, 56, the copper ring hold-down screw, 57, rotating shaft, 58, support, 59, the axle screw, 60, steel ball, 61, nut, 62, main shaft, 63, axle sleeve, 64, the axle sleeve screw, 65, O type rubber seal.
The specific embodiment
As described in Fig. 1-Fig. 5, a kind of no oily door closer, it is by housing, actuating unit and link gear are formed, the main shaft 62 of actuating unit output drives link gear, actuating unit is in housing, it is characterized in that having in the housing piston 12, be inserted in door closer spring 13 in this piston 12, these door closer spring 13 other ends are inserted in the adjusting nut 28, this adjusting nut 28 is twisted outside housing inwards, fix the directive wheel 16 of an off-centre on main shaft 62 with a key 19, the spring 15 that is contained in these directive wheel 16 the insides is pushed down needle roller 14, these directive wheel 16 1 ends are adorned wheel cover 17 outward, this takes turns cover 17 outer dress large helical gears 18, eccentric directive wheel 16, wheel cover 17, large helical gear 18 constitute folk prescriptions to, non-angular, any position all can unidirectional rotation one-way drive mechanism, the surface of described piston 12 becomes dentation and directive wheel 16 engagements, one high-speed screws 23 and large helical gear 18 engagements, on this high-speed screws 23 bevel pinion 25 is arranged, this bevel pinion 25 and a rotating shaft 57 engagements, in this rotating shaft 57 reed 52 is housed, 52 1 of reeds are fixed on the copper ring 55, copper ring 55 is fixed in the rotating shaft 57, the reed 52 other ends speed that is fixed on is regulated on the flange 50, in the middle of the reed 52 balance weight 54 is housed, rotating shaft 57 is contained in the support 58.Large helical gear 18 is designed to certain gradient and cooperates with high-speed screws 23, go slick strong, speed ratio is big.The screw thread of high-speed screws 23 and rotating shaft 57 is two-wires, can bear certain mass, energy fast rotational.
Referring to Fig. 4 and Fig. 5, on the limit of described speed adjusting flange 50 speed-regulating rack 46 and adjustment screw 32,34 and regulating spring 35 are housed, be fixed with wearing piece 47 on the adjustment screw 32,34.
Referring to Fig. 5, a torsion spring 45 is by torsion spring fixing pin 44 pinnings, and this torsion spring 45 withstands speed-regulating rack 46.
Referring to Fig. 4, speed-regulating rack 46 usefulness lassos 30 and screw 29 location.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 5, main shaft 62 is supported by housing two ends axle sleeve 41,63.Do not need in the use to refuel, used the oil-containing high-abrasive material because of them and made.
Referring to Fig. 4 and Fig. 5, during main shaft 62 rotations, force piston 12 straight reciprocating motions, strong door closer spring 13 makes piston 12 and housing that friction be arranged.Piston 12 has adopted the oil-containing high-abrasive material to make, and need not refuel in the use, guarantees its operation flexibility and does not generate heat.Nut 28 is adjusted to the required elastic force that closes door spring 13.O type rubber seal 65 prevents pernicious gas invasion housing.
Referring to Fig. 4 and Fig. 5, use key 19 stator wheels 16 on main shaft 62.Because directive wheel 16 off-centre make the spring 15 that is contained in directive wheel 16 the insides tightly push down needle roller 14.When opening the door, to the rotation of spring 15 directions, this hour wheel cover 17 does not change eccentric directive wheel 16 needle roller 14.When at closing time, eccentric directive wheel 16 is to the rotation of needle roller 14 directions, and at this moment spring 15 is pressed on the needle roller 14, needle roller 14 is very close to each other with directive wheel 16, this hour wheel cover 17 is just and then main shaft 62 rotations at once, and the large helical gear 18 that is contained in wheel cover 17 just rotates together, 23 rotations of drive high-speed screws.Bevel pinion 25 on the high-speed screws 23 drives rotating shaft 57 rotations.Reed 52 is housed in the rotating shaft 57, and 52 1 of reeds are fixed on the copper ring 55, and copper ring 55 is fixed in the rotating shaft 57, and the reed 52 other ends speed that is fixed on is regulated on the flange 50, and balance weight 54 is housed in the middle of the reed 52.Rotating shaft 57 is running up, and balance weight 54 knockout presses are big, makes reed 52 bendings, makes speed regulate flange 50 displacements simultaneously, and speed is fast more, and it is many more to be shifted.In order to control two grades of speed, on the limit of speed adjusting flange 50 adjustment screw 32,34 and spring 35 are housed.Adjustment screw 34 is first grade of adjusting, and adjustment screw 32 is second grade of adjusting, controls two grades of different angles pass speed at closing time.Be not subjected to influence of temperature change for the coefficient that reduces friction reaches, make wearing piece 47 with polytetrafluoroethylmaterial material, it is durable in use, need not refuel.Protective cover 43 is housed in housing, bevel pinion 25 is damaged and prevents that pernicious gas from invading.
Referring to Fig. 4, high-speed screws 29 two ends are withstood with steel ball 22,24 and are contained in holder 20 and the positioning seat 26, and rotating shaft 57 usefulness steel balls 48,60 withstand and are contained in the support 58.Axial force is very big during 25 rotations of large helical gear 18 and bevel pinion, and the point of application contact is reduced to friction minimum, makes rotation flexibly, long service life.
Referring to Fig. 1, Fig. 2, end pad 10, hold-down screw 11 secured adjusted pipes 8 at connecting rod 9, the adjusting screw(rod) 6 usefulness nuts 7 of loading onto adjustable distance at the other end of adjustable pipe are fixing, and mounting flange 3 is housed on the other end of adjusting screw(rod) 6, constitute described link gear.
As shown in Figure 4, described housing is formed enclosed construction by shell 1 and base plate 39, gasket seal 38, but the intrusion of anticorrosion gas improves application life.Shell 1 is formed by the punching out of high-quality plate.
Referring to Fig. 1, Fig. 2 and Fig. 5, four screws are arranged on the base plate 39, during use with screw on the suitable position, upper end that is fixed on door.And on main shaft 62, connect connecting rod 9, and anti-loosening with flower pad 4, fix connecting rod 9 with connecting rod hold-down screw 5 again, at connecting rod 9 other ends pad 10, hold-down screw 11 secured adjusted pipes 8, load onto the adjusting screw(rod) 6 of adjustable distance at the adjustable pipe other end.It is good to mix up distance, fixing with nut 7.Mounting flange 3 is housed on the other end of adjusting screw(rod) 6, and mounting flange 3 can directly be fixed on the doorframe of various doors.Adjusting screw(rod) 6 is fixing with mounting flange 3 usefulness flange hold-down screws 2.The present invention is easy to use, applicable to various doors.
Claims (10)
1, a kind of no oily door closer, it is by housing, actuating unit and link gear are formed, the main shaft (62) of actuating unit output drives link gear, actuating unit is in housing, it is characterized in that: a piston (12) is arranged in the housing, be inserted in door closer spring (13) in this piston (12), this door closer spring (13) other end is inserted in the adjusting nut (28), this adjusting nut (28) is twisted outside housing inwards, fix the directive wheel (16) of an off-centre on main shaft (62) with a key (19), the spring (15) that is contained in this directive wheel (16) the inside is pushed down needle roller (14), these directive wheel (16) one ends are adorned wheel cover (17) outward, this takes turns the outer dress of cover (17) large helical gear (18), the surface of described piston (12) becomes dentation and directive wheel (16) engagement, one high-speed screws (23) and large helical gear (18) engagement, bevel pinion (25) is arranged on this high-speed screws (23), this bevel pinion (25) and a rotating shaft (57) engagement, reed (52) is housed in this rotating shaft (57), (52) one of reeds are fixed on the copper ring (55), copper ring (55) is fixed in the rotating shaft (57), reed (52) the other end speed that is fixed on is regulated on the flange (50), in the middle of the reed (52) balance weight (54) is housed, rotating shaft (57) is contained in the support (58).
2, a kind of no oily door closer according to claim 1, it is characterized in that: the screw thread of described high-speed screws (23) and rotating shaft (57) is a two-wire.
3, a kind of no oily door closer according to claim 1, it is characterized in that: on the limit of described speed adjusting flange (50) speed-regulating rack (46) and adjustment screw (32,34) and regulating spring (35) are housed, adjustment screw is fixed with wearing piece (47) on (32,34).
4, a kind of no oily door closer according to claim 3, it is characterized in that: a torsion spring (45) is by torsion spring fixing pin (44) pinning, and this torsion spring (45) withstands speed-regulating rack (46).
5, according to claim 3 or 4 described a kind of no oily door closers, it is characterized in that: speed-regulating rack (46) is located with lasso (30) and screw (29).
6, a kind of no oily door closer according to claim 1 is characterized in that: main shaft (62) is supported by housing two ends axle sleeve (41,63).
7, a kind of no oily door closer according to claim 1 is characterized in that: protective cover (43) is housed in housing.
8, a kind of no oily door closer according to claim 1, it is characterized in that: high-speed screws (23) two ends are withstood with steel ball (22,24) and are contained in holder (20) and the positioning seat (26), and rotating shaft (57) is withstood with steel ball (48,60) and is contained in the support (58).
9, a kind of no oily door closer according to claim 1, it is characterized in that: at end pad (10), hold-down screw (11) the secured adjusted pipe (8) of connecting rod (9), the adjusting screw(rod) (6) of loading onto adjustable distance at the other end of adjustable pipe (8) is fixing with nut (7), mounting flange (3) is housed on the other end of adjusting screw(rod) (6), constitutes described link gear.
10, a kind of no oily door closer according to claim 1 is characterized in that: described housing is formed enclosed construction by shell (1) and base plate (39), gasket seal (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03101791 CN1206436C (en) | 2003-01-13 | 2003-01-13 | Oil-free door-closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03101791 CN1206436C (en) | 2003-01-13 | 2003-01-13 | Oil-free door-closing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1438400A CN1438400A (en) | 2003-08-27 |
| CN1206436C true CN1206436C (en) | 2005-06-15 |
Family
ID=27673832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03101791 Expired - Fee Related CN1206436C (en) | 2003-01-13 | 2003-01-13 | Oil-free door-closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1206436C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135221B (en) * | 2006-09-01 | 2012-11-14 | 多玛两合有限公司 | Door closer |
| CN102307557B (en) * | 2008-12-29 | 2014-10-22 | 叶夫根尼·彼得罗维奇·格列比翁尼科夫 | Method for producing liposomal drugs and a device for producing a liposome |
| CN108412354A (en) * | 2018-05-15 | 2018-08-17 | 东莞鑫泰玻璃科技有限公司 | Door closer |
-
2003
- 2003-01-13 CN CN 03101791 patent/CN1206436C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1438400A (en) | 2003-08-27 |
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