CN204175082U - A kind of door operating device - Google Patents
A kind of door operating device Download PDFInfo
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- CN204175082U CN204175082U CN201420609118.XU CN201420609118U CN204175082U CN 204175082 U CN204175082 U CN 204175082U CN 201420609118 U CN201420609118 U CN 201420609118U CN 204175082 U CN204175082 U CN 204175082U
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- compress spring
- damper
- operating device
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- 238000013016 damping Methods 0.000 claims abstract description 26
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- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000003446 ligand Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
Provide a kind of door operating device, comprise: housing, cam structure, drive shaft body, piston, Compress Spring and damping structure, wherein: housing comprises upper body and lower case, the position that upper body corresponds to the bearing of cam structure has a hole, and allow the bearing of cam structure to pass through, the axis of cam structure is the axis of bearing; Cam structure comprises above-mentioned bearing, cam and with cam anti-rotation and the coaxial circular gear arranged, and above-mentioned circular gear can rotate with cam, for being connected to damping structure; Drive shaft body is cylindric, abuts against with cam; Piston is positioned at enclosure interior, and with inner walls sliding-contact, drive shaft body is arranged on piston one end near cam; Core through Compress Spring arranges a positioning rod; Damping structure comprises damper, and the dentalation engaged with above-mentioned circular gear.Door operating device structure of the present utility model is simple, and cost is low, easy to use, is suitable for extensive popularization.
Description
Technical field
The utility model relates to a kind of door operating device, is specifically related to a kind of mechanical door operating device, can be widely used in the labeled door etc. of mansion.
Background technology
Basic labeled door is all provided with the function of automatically closing at present, and usually install a door closer-holder additional, impel its automatic door-closing after unlatching, this door closer-holder is generally made up of actuating unit and link gear.A kind of door closer-holder conventional in prior art have employed cam structure, adopt the door closer-holder general principle of cam structure as follows: a cam is installed in a housing, when opening door operation, this cam rotates around its rotating shaft, link gear is forced to move by the operating surface of this cam, thus promote this link gear away from cam on the axial direction of cam, and then squeeze operation is carried out to the spring element of link gear side in above-mentioned housing.When after this door leaf of release, above-mentioned link gear can, because of the fault offset of spring element, to returning push cam, make cam reversely rotate, thus performs the operation of automatic door-closing.Usual meeting arranges damping mechanism in housing; generally be divided into fluid pressure type and pneumatic type etc.; the product sold in the market is mostly fluid pressure type; its ubiquity is not easily installed, and dismantles after installing and keep in repair inconvenient problem, and adopts cam structure in prior art; its camshaft quick abrasion; link gear easily tilts in guiding, causes motion to have some setbacks, and also there is the problems such as door making capacity is non-adjustable.
Simultaneously, the door operating device of prior art requires that shell is the metal parts of casting, cost is higher, mainly control its speed by oil damping in door closing procedure, but in use, oil viscosity changes with the change of temperature, cause the speed of closing door in different seasons inconsistent, particularly in the winter of cold, oil viscosity increases, and causes the opening and closing speed of door closer-holder slack-off.In addition, door closer-holder also easily leakage of oil, the oil impregnate of oil damping structure, causes environment pollution.In addition, because there is repeatedly back and forth movement between existing Compress Spring and housing wall, and and there is space between controller housing again without stable support, cause spring yielding, affect normal use or the result of use of door.
Summary of the invention
Based on above-mentioned prior art present situation, the utility model provides door operating device one or more in a kind of can solving the problem.
For achieving the above object, the utility model takes following technical scheme:
A kind of door operating device, comprising: housing, cam structure, drive shaft body, piston, Compress Spring and damping structure, wherein:
Housing comprises upper body and lower case, and the position that upper body corresponds to the bearing of cam structure has a hole, and allow the bearing of cam structure to pass through, the axis of cam structure is the axis of bearing;
Cam structure comprises above-mentioned bearing, cam and with cam anti-rotation and the coaxial circular gear arranged, and wherein this bearing upper end has an internal polygon hole, and above-mentioned circular gear can rotate with cam, for being connected to damping structure;
Drive shaft body is cylindric, abuts against with cam, for the power from cam is conducted to Compress Spring, promotes Compress Spring and moves to the direction away from cam;
Piston is positioned at enclosure interior, and with inner walls sliding-contact, drive shaft body is arranged on piston one end near cam, and the other end of piston fixedly abuts with Compress Spring;
Core through Compress Spring arranges a positioning rod, this backstay one end is fixed to piston, the other end is free end, this free end is through the hole be arranged on an adjustable plate, this adjustable plate contacts slidably with housing, for regulating the tensile strength of Compress Spring, regulative mode is, by being arranged on the position of the set screw adjustment adjustable plate of shell end;
Damping structure comprises damper, and the dentalation engaged with above-mentioned circular gear.
Wherein, above-mentioned cam both sides of the edge have a screens part respectively, and these two screens part lines pass through cam axle center, and symmetrical about the center line of cam.
Wherein above-mentioned screens part is concave shape.
Wherein consider the duty of Compress Spring and damper, the size of door leaf, weight and frictional force, designing screens part, making to change at the positioning states of the door leaf when the masterpiece of 1-5N being used in door leaf edge.
Wherein dentalation is strip sawtooth, now adopts damper in the form of piston, and the rotation of circular gear is transformed into Linear-moving, and this Linear-moving power is sent to damper.
Wherein dentalation is gear structure, and now adopt the damper of rotary type, rotation is passed to gear structure by circular gear, and is passed to the damper of rotary type further, and this gear structure is coaxial with the damper of rotary type.
Wherein damper and Compress Spring are arranged on the homonymy of cam, and damper is separated by dividing plate with between Compress Spring and piston, and dividing plate is used for the operation of stable plunger and Compress Spring.
The wherein diameter of optimal design-aside circular gear, makes the rotation distance of circular gear outer rim and piston promote the ratio of the displacement of Compress Spring between 1.3:1-1.8:1.
Wherein piston has the two panels being up and down parallel to cam and gives prominence to structure, and this two panels gives prominence to this drive shaft body of structure semi-surrounding, engages slidably therebetween, but can not relative movement.
Wherein damper and Compress Spring are arranged on the not homonymy of cam.
Remarkable advantage of the present utility model is:
1. installation, maintenance is all very convenient, and cheap;
2. link gear stable operation, Compress Spring stable operation;
3. door making capacity is adjustable;
4. dissimilar damping structure can be adopted.
4, accompanying drawing explanation
In order to more clearly describe feature of the present utility model, advantage and object, will be specifically described, in accompanying drawing scheme of the present utility model in conjunction with schematic accompanying drawing:
Fig. 1 is the structure top view of the door operating device illustrated according to the utility model embodiment;
Fig. 2 be illustrate according to the utility model embodiment the structure side view of operating means;
Fig. 3 be illustrate according to the utility model embodiment the structure side view of operating means;
Fig. 4 be illustrate according to the utility model embodiment the structure top view of operating means.
5, detailed description of the invention:
Below in conjunction with accompanying drawing 1-4, detailed description of the invention of the present utility model is described in detail, it should be noted that detailed description of the invention of the present utility model is schematically with illustrative, should not think that it forms the restriction to the utility model scope.
Fig. 1 is the structure top view of the door operating device illustrated according to the utility model embodiment, and wherein dentalation 161 is strip sawtooth, and the damper of employing is piston damper.
Fig. 2 be illustrate according to the utility model embodiment the structure side view of operating means, wherein dentalation 161 is strip sawtooth, circular gear 124 is all have employed up and down at cam, also provided corresponding dentalation 161, be specially strip sawtooth, the damper adopted also is piston damper, owing to being blocked by Compress Spring 15, and therefore this damping structure 16 not shown.
Fig. 3 be illustrate according to the utility model embodiment the structure side view of operating means, wherein dentalation 161 is gear structure, the damping structure 16 adopted is the damper of rotary type, and said gear structure and this damper coaxial rotating, axis of rotation is separately fixed on dividing plate 17 and housing.
Fig. 4 be illustrate according to the utility model embodiment the structure top view of operating means, wherein dentalation 161 is strip sawtooth, the damping structure adopted is damper in the form of piston, this damper and Compress Spring are positioned at cam both sides, cam rotarily drives circular gear 124 and rotates, and then driving strip sawtooth generation Linear-moving, this linearly moving power is transferred to the piston 163 of damper by strip sawtooth.
Below in more detail the technical solution of the utility model will be described.
Door operating device of the present utility model mainly comprises: housing 11, cam structure 12, drive shaft body 13, piston 14, Compress Spring 15, damping structure 16.
Housing 11 can be divided into upper and lower two parts, upper body 111 and lower case 112, and preferred upper body is a lid.The position that upper body 111 corresponds to the bearing 121 of cam structure 12 has a hole, and allow the bearing 121 of cam structure 12 to pass through, the rotation of cam structure 12 is the axis of bearing 121.
As mentioned above, cam structure 12 comprises the bearing 121 given prominence to from the upper and lower both sides of housing and the hole 122 being positioned at bearing 121 upper end.Sliding-contact or Structure deformation is arranged between bearing 121 and housing, the hole 122 of its upper end is an inner polygon, this hole 122 shown in Fig. 1 is square, and the connecting rod that this hole 122 allows door leaf axis of rotation or is fixed to door leaf is coaxially connected to bearing 121 in anti-rotational mode.In addition, cam structure 12 specifically comprises a cam 123, this cam 123 is heart-shaped, preferably, one screens part 1231 and 1232 is set respectively in the both sides of the edge of heart-shaped cam 123, be preferably concave shape by this screens partial design, this two screens parts 1231 and 1232 line is by the axle center of heart-shaped cam 123 and the two center line about heart-shaped cam is symmetrical.Have circular gear 124 in the upside of cam 123 and/or downside, this circular gear 124 can not rotate relatively with cam 123 and coaxial, and therefore when cam 123 rotates, circular gear 124 rotates thereupon together.This circular gear 124 is connected to above-mentioned damping structure 16.
In the utility model, by arranging the diameter of circular gear 124, the displacement ratio of Compress Spring and damper in the form of piston can be distributed rationally, and then optimize the effect of the utility model door operating device.Preferably, the rotation distance diameter of circular gear 124 being arranged to circular gear 124 outer rim is greater than the displacement that piston 14 promotes Compress Spring 15, but range difference distance also can not be excessive, further, preferably two distances are than between 1.3:1-1.8:1, now can guarantee the effect of damping and the action effect of Compress Spring simultaneously.
Also by arranging the diameter of circular gear 124, the relation between the displacement of Compress Spring and the rotational angle of the damper of rotary type is optimized.
Drive shaft body 13 is preferably cylindric, abuts against with cam 123, for the power from cam 123 is conducted to Compress Spring, and then promotes Compress Spring.When door is in closed condition, drive shaft body 13 is connected to the minimum position of the spacing in heart-shaped cam 123 periphery and axle center, as shown in fig. 1, when External Force Acting drives the bearing 121 of cam structure to rotate, cam 123 and circular gear 124 thereupon together with rotate, cam 123 promotes drive shaft body 13 and drives piston 14 to move to the direction away from cam 123, and then promote Compress Spring 15 to the direction away from cam 123, Compress Spring 15 storage power, when External Force Acting disappears, because Compress Spring 15 needs to release energy, therefore the direction towards cam 123 promotes piston 14 and drive shaft body 13, and then force cam 123 to rotate round about, and then drive door leaf return.When under external force, cam turns to position that screens part just engages with drive shaft body 13 and does not now exist large to when affecting inertia or external force that door leaf locates, and door leaf is fixed on this position.
Piston 14 be positioned at housing 11 inner and with inner walls sliding-contact, drive shaft body 13 is also fixed to piston 14 rotationally, preferably, as shown in figs. 1-4, piston 14 has the two panels being up and down parallel to cam 123 and gives prominence to structure, this two panels gives prominence to this drive shaft body 13 of structure semi-surrounding, engages slidably therebetween, but can not relative movement.Piston 14 is provided with drive shaft body 13 near one end of cam, and this drive shaft body 13 is fixed to the end of piston 14 near cam side rotationally, and the opposite side of piston 14 fixedly abuts with Compress Spring 15.
Preferably, the core through Compress Spring 15 arranges backstay 151, and this backstay 151 can play the effect preventing Compress Spring distorted deformation.This backstay 151 one end is fixed to piston 14, the other end is free end, and this free end, by the hole arranged on adjustable plate 152, is designed in the moving range of piston 14 by this free end, this free end can not affect the operation of door operating device, can not touch housing.The opposite side of Compress Spring 15 fixedly abuts with adjustable plate 152, and adjustable plate 152 contacts slidably with housing, can be used for the tensile strength regulating Compress Spring 15.Should be noted that, this adjustable plate 152 is comprised although all illustrate in accompanying drawing, but adjustable plate 152 of the present utility model is preferred, this adjustable plate 152 can not be set, now, the opposite side directly fixing inner wall of end abutted to housing of Compress Spring, backstay 151 such as can be connected by sliding tray with between housing Linear-moving.When being provided with adjustable plate 152, adjusting device such as set screw 153 being set in corresponding shell end, the position of adjustable plate 152 is adjusted, and then realize the adjustment to Compress Spring tensile strength.
In addition, door operating device of the present utility model also comprises damping structure 16.Alternatively, this damping structure 16 can be arranged on Compress Spring 15 homonymy or not homonymy.When being arranged on Compress Spring 15 homonymy, adopting dividing plate 17 Compress Spring 15 and piston 14 to be separated with damping structure 16, to guarantee that piston is in enclosure interior stable working state, situation that is crooked thus impact operation not occurring.This dividing plate 17 can be fixed to housing or be integrally formed with housing.Damping structure 16 comprises a dentalation 161 to engage with above-mentioned circular gear 124, also comprise a damper, this damper can be the damper of rotary type, also can be damper in the form of piston, when adopting rotary damper, this rotary damper is fixed on the inwall of upper body, as shown in Figure 3, above-mentioned dentalation 161 is a gear structure, engage with above-mentioned circular gear 124, the axis of rotation of this gear structure and the rotating shaft coaxle of rotary damper, now this rotary damper is preferably a two way damper, the situation arranging two groups of rotary dampers has been shown in Fig. 3, wherein, by dividing plate 17, piston 14 is protected, prevent it from distorting, preferably the axis of rotation of rotary damper is also fixed on dividing plate 17, to strengthen the job stability of the utility model controlling device for doors, those skilled in the art understand certainly, only one group of rotary damper also can be set, according to damper in the form of piston, as as shown in Fig. 1,2, also preferably by the job stability adopting dividing plate 17 to guarantee spring 15, above-mentioned dentalation 161 is strip sawtooth, engage with above-mentioned circular gear 124, moved by the piston of this strip saw tooth belt fluctuation dampers which.Preferably, as shown in Figure 2, circular gear 124 is upper and lower two, and the dentalation 161 engaged with circular gear 124 is also correspondingly upper and lower two.Or, can arrange according to actual needs.
Preferably, when the utility model adopts rotary damper, rotary damper as mentioned below can be selected.This rotary damper can comprise: housing, has the chamber of filling viscous fluid in inside; Axis of rotation, is accommodated in above-mentioned indoor at least partially, for above-mentioned housing relatively freely; First torque production part, is located at the upper of above-mentioned housing or above-mentioned axis of rotation, and at least possesses and produce face in the first torque of the axial extension of above-mentioned axis of rotation; And the second torque production part, be located at above-mentioned housing and above-mentioned axis of rotation another on, possess and can produce face with the second torque that above-mentioned first torque produces face opposed, and the viscous drag of the viscous fluid produced between face and above-mentioned second torque generation face by above-mentioned first torque produces torque.Wherein, produce the opposing area that face and above-mentioned second torque produce face to make above-mentioned first torque variable, at least one in above-mentioned first torque production part and above-mentioned second torque production part is configured to can the movable member of movement in axis relative to another torque production part.Preferably, rotary damper of the present utility model be also included in above-mentioned housing and above-mentioned axis of rotation any one when being driven in rotation, according to the torque automatic mechanism that its rotary speed makes above-mentioned opposing area change.Preferably, above-mentioned torque automatic mechanism comprises: apply towards the elastic mechanism leaving the power in the direction of another torque production part above-mentioned in axis to above-mentioned movable member; There is the cam relative to the above-mentioned cam surface axially tilted; And the ligand coordinating with the cam surface of above-mentioned cam and arrange.Preferably, above-mentioned cam utilizes the relative rotation of above-mentioned axis of rotation and above-mentioned housing, to above-mentioned axis of rotation rotating axial thrust direction press above-mentioned ligand relative to direction of rotation with along above-mentioned relative to above-mentioned housing, utilize the power of above-mentioned thrust direction, above-mentioned movable member moves to the direction of another torque production part above-mentioned.Adopt this rotary damper mentioned above, advantage is, suitable brake force can be applied by door leaf for the speed of service in low and fast situation, braking can not be performed because the door leaf speed of service is low, also can not there is the excessive situation of indicating brake action because the door leaf speed of service is high, be convenient to the utility model door operating device executable operations.
When the utility model adopts piston damper, preferably this damper structure is as follows.This damper preferably includes: have the cylinder body of bottomless drum shape, be configured to piston that can be reciprocal or movable in cylinder body, the annular ring 166 be assembled on piston, with piston synchronous movement piston rod 163 and be installed on the lid of end side of cylinder body.Piston has the holding tank arranged along its circumference, piston outer periphery itself not with cylinder body inner circumferential close contact, but by being flush-mounted in annular ring in above-mentioned holding tank and cylinder body inner circumferential close contact, thus and cup and rear room 164 and 165 will be divided in above-mentioned cylinder body, piston also has the air channel be communicated with above-mentioned rear room from the groove bottom of above-mentioned holding tank.Along with annular ring moving forward and reduce the flowing of the air flowed from rear room to cup in above-mentioned holding tank when piston rearward moves in cylinder body, along with annular ring moving backward and increase the flowing from the cup air of room flowing backward via above-mentioned air channel in above-mentioned holding tank when piston forwards moves in cylinder body.Above-mentioned air channel on piston roughly the position of decile be provided with two or more, preferably two.Wherein, consider as amount of movement etc. from annular ring to axis after the groove width of width dimensions design holding tank.Annular ring in holding tank there is suitable elasticity and can the mode setting-in of movement vertically.Above-mentioned this piston damper, structure is simple, is convenient to assembling, and with low cost, is applicable to extensively promoting.
At employing piston damper, more specifically, when adopting piston damper mentioned above, preferably, damping structure 16 is arranged to and Compress Spring 15 not homonymy, as shown in Figure 4.In this case, the cylinder body 162 of damper is arranged to outer wall shape and enclosure interior shape adapts, inboard wall of cylinder block is designed to the cylindrical of applicable plunger, via dentalation 161, linearly moving power is sent to piston rod 163 by circular gear 124.In addition, in this case, arrange dividing plate 17 in Compress Spring 15 side, protection Compress Spring is indeformable, and in addition, this dividing plate 17 also reserves linearly moving space for dentalation 161.
Should note, in door operating device of the present utility model, the cam structure of enclosure interior is fixedly mounted in lower case via its bearing 121 by a fastening devices, the backstay 151 of Compress Spring is fixedly installed in lower case by a fastening devices, damping structure 16 is fixedly installed on housing by a fastening devices, if damper in the form of piston, then be fixedly installed in lower case, if the damper of rotary type, then be fixedly installed in upper body, set screw is installed on lower case end face by fastening devices.For dentalation 161, if strip sawtooth, then by can linearly moving device relative to housing, such as sliding groove structure, is fixed to housing, if gear structure, then be fixed on housing via its rotating shaft, or as described above, be also fixed on dividing plate 17.The miscellaneous part of the utility model door operating device, if necessary, is also correspondingly fixedly installed to the appropriate location of housing by fastening devices.
In door leaf motion process, when the position that the screens part 1231 or 1232 and drive shaft body 13 that are in cam 123 abut against, unless External Force Acting, door leaf will be positioned at this position, continue through to facilitate many people or will conveniently convey goods.Preferably, consider the duty of Compress Spring and damper, the bounce of such as Compress Spring and the damping force of damper, the shape of screens part, size, edge angle etc., by accurate Calculation and test, can be designed to the safety not affecting door by the size of door leaf, weight, frictional force, such as, when carrying out switching manipulation to door leaf, needing deliberately to find this anchor point, otherwise door leaf can not be located.In the utility model, the positioning states shape of above-mentioned screens part is arranged to only to need the masterpiece of about 1-5N to be used in door leaf edge can change door leaf.
Preferably, housing of the present utility model is cuboid profile, is engaged between upper body and lower case by snap.
Describe several embodiment of the present utility model and advantage thereof by means of example above, describe comparatively concrete and detailed, it should be noted that the restriction do not thought and describe and form the utility model protection domain above.It should be pointed out that to those skilled in the art, when not departing from the utility model design, multiple changes and improvements can be made to above-mentioned embodiment, thinking that this changes and improvements all belong to protection domain of the present utility model.Protection domain of the present utility model is only defined by the following claims.
Claims (10)
1. a door operating device, comprising: housing, cam structure, drive shaft body, piston, Compress Spring and damping structure, wherein:
Housing comprises upper body and lower case, and the position that upper body corresponds to the bearing of cam structure has a hole, and allow the bearing of cam structure to pass through, the axis of cam structure is the axis of bearing;
Cam structure comprises above-mentioned bearing, cam and with cam anti-rotation and the coaxial circular gear arranged, and wherein this bearing upper end has an internal polygon hole, and above-mentioned circular gear can rotate with cam, for being connected to damping structure;
Drive shaft body is cylindric, abuts against with cam, for the power from cam is conducted to Compress Spring, promotes Compress Spring and moves to the direction away from cam;
Piston is positioned at enclosure interior, and with inner walls sliding-contact, drive shaft body is arranged on piston one end near cam, and the other end of piston fixedly abuts with Compress Spring;
Core through Compress Spring arranges a positioning rod, this backstay one end is fixed to piston, the other end is free end, this free end is through the hole be arranged on an adjustable plate, this adjustable plate contacts slidably with housing, for regulating the tensile strength of Compress Spring, regulative mode is, by being arranged on the position of the set screw adjustment adjustable plate of shell end;
Damping structure comprises damper, and the dentalation engaged with above-mentioned circular gear.
2. door operating device as claimed in claim 1, wherein, above-mentioned cam both sides of the edge have a screens part respectively, and these two screens part lines pass through cam axle center, and symmetrical about the center line of cam.
3. door operating device as claimed in claim 2, wherein above-mentioned screens part is concave shape.
4. door operating device as claimed in claim 2 or claim 3, wherein consider the duty of Compress Spring and damper, the size of door leaf, weight and frictional force, designing screens part, making to change at the positioning states of the door leaf when the masterpiece of 1-5N being used in door leaf edge.
5. door operating device as claimed in claim 1, wherein dentalation is strip sawtooth, now adopts damper in the form of piston, and the rotation of circular gear is transformed into Linear-moving, and this Linear-moving power is sent to damper.
6. door operating device as claimed in claim 1, wherein dentalation is gear structure, and now adopt the damper of rotary type, rotation is passed to gear structure by circular gear, and being passed to the damper of rotary type further, this gear structure is coaxial with the damper of rotary type.
7. the door operating device as described in claim 1,5 or 6, wherein damper and Compress Spring are arranged on the homonymy of cam, and damper is separated by dividing plate with between Compress Spring and piston, and dividing plate is used for the operation of stable plunger and Compress Spring.
8. door operating device, the wherein diameter of optimal design-aside circular gear as claimed in claim 1, make the rotation distance of circular gear outer rim and piston promote the ratio of the displacement of Compress Spring between 1.3:1-1.8:1.
9. door operating device as claimed in claim 1, wherein piston has the two panels being up and down parallel to cam and gives prominence to structure, and this two panels gives prominence to this drive shaft body of structure semi-surrounding, engages slidably therebetween, but can not relative movement.
10. door operating device as claimed in claim 1, wherein damper and Compress Spring are arranged on the not homonymy of cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609118.XU CN204175082U (en) | 2014-10-21 | 2014-10-21 | A kind of door operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609118.XU CN204175082U (en) | 2014-10-21 | 2014-10-21 | A kind of door operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175082U true CN204175082U (en) | 2015-02-25 |
Family
ID=52563899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420609118.XU Withdrawn - After Issue CN204175082U (en) | 2014-10-21 | 2014-10-21 | A kind of door operating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204175082U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314403A (en) * | 2014-10-21 | 2015-01-28 | 王俭俭 | Door operating device |
| CN112012611A (en) * | 2019-05-28 | 2020-12-01 | 利优比株式会社 | Door closer |
| CN112038048A (en) * | 2020-09-04 | 2020-12-04 | 陈远旭 | Electric power transformer with from cooling function |
-
2014
- 2014-10-21 CN CN201420609118.XU patent/CN204175082U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314403A (en) * | 2014-10-21 | 2015-01-28 | 王俭俭 | Door operating device |
| CN112012611A (en) * | 2019-05-28 | 2020-12-01 | 利优比株式会社 | Door closer |
| CN112012611B (en) * | 2019-05-28 | 2022-04-26 | 利优比株式会社 | Door closer |
| CN112038048A (en) * | 2020-09-04 | 2020-12-04 | 陈远旭 | Electric power transformer with from cooling function |
| CN112038048B (en) * | 2020-09-04 | 2021-08-31 | 莱芜鲁能开源集团电器有限公司 | Electric power transformer with from cooling function |
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