CN2483483Y - Closer for door - Google Patents
Closer for door Download PDFInfo
- Publication number
- CN2483483Y CN2483483Y CN 01226718 CN01226718U CN2483483Y CN 2483483 Y CN2483483 Y CN 2483483Y CN 01226718 CN01226718 CN 01226718 CN 01226718 U CN01226718 U CN 01226718U CN 2483483 Y CN2483483 Y CN 2483483Y
- Authority
- CN
- China
- Prior art keywords
- piston
- door closer
- transmission shaft
- door
- forms
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 229920003023 plastic Polymers 0.000 claims abstract description 15
- 230000004308 accommodation Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000007598 dipping method Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 239000003921 oil Substances 0.000 description 27
- 239000010720 hydraulic oil Substances 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000003139 buffering effect Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
Disclosed is a door closer. A piston is arranged in the accommodating space within the body of the utility model. A lateral sealing cover is arranged at the lateral end of the accommodating space. A transmission shaft is arranged in the bottom concave part of the body. The gears of the transmission shaft are meshing with the metal rack of the piston. The piston is formed by plastic ejaculation and encapsulates the metal rack. The accommodating groove in the lateral end of the piston head forms an open slot which is provided with a through hole. A caulking groove, which is provided with an oil seal, is arranged near the piston head. A movable block is arranged in the caulking groove. A check valve is arranged in the accommodating groove. The door closer can obtain the effects that the piston can move smoothly and prevent improper return oil leakage.
Description
The utility model is about a kind of door closer.
The installing of door closer, can form damping action for door-plate, tool buffering effect when door-plate is opened, but and the flexible member of wherein being installed storage power when being compressed, and when replying closure, the piston involution that can promote wherein to be installed is moved, and makes piston crown can push hydraulic oil in the accommodation space, and allows the closure of door-plate also have buffering effect.
Please cooperate and consult Fig. 6, Fig. 7 and shown in Figure 8, be the door closer of commonly using, it is that the accommodation space (61) that runs through is set in body (60), spring (68) and piston (70) can be packed into wherein, and side seal lid (62) is set in both sides, (63) covered, then form the following protuberance (65) that circular arc is communicated with at body (60) downside, power transmission shaft (66) is set in the following protuberance (65), gear set on power transmission shaft (66) surface can be meshed with the set tooth bar (74) in piston (70) bottom, and sealed with the oil sealing and the nut of axle sleeve group (67) in both sides, and power transmission shaft (66) end can articulate with the trace of door-plate, make the keying of door-plate, can promote power transmission shaft (66) rotation by trace, make the gear of power transmission shaft (66) can drive upward set tooth bar (74) of piston (70), and promotion piston (70) move left and right, head (71) front end face of piston (70) is provided with a stepped perforation (72), steel ball (73) is set in the perforation (72) forms the non retern valve structure, and body (60) downside that is positioned at piston (70) head (71) direction is provided with oil return portion (64), (641), oil duct (642) is set, the adjusting lever that two spiral shells are established (69) in the oil return portion (64), (691) be arranged at oil return portion (641) respectively, (64).
Cooperate and consult Fig. 7 and shown in Figure 8, and when the door-plate of this door closer of installing is opened, trace can drive power transmission shaft (66) rotation, make the force-applied promotion of piston (70) and towards moving left, at this moment, piston (70) compression spring (68), and make filling can locate to flow in the right side accommodation space (61) by perforation (72) in the hydraulic oil of accommodation space (61) and piston (70) vacant (701), and when the door-plate involution is closed, the response force of being put aside in the time of then can utilizing spring (68) by compression promotes piston (70) and moves right, make piston (70) head (71) can push hydraulic oil in the right side accommodation space (61), hydraulic oil is caught up with the accommodation space (61) that flows back to the left side into oil duct (642) by the hole of running through (643), that is, the use of door closer can make closing of door-plate can reach soft effect by the stroke buffering of the extruding hydraulic oil before piston (70) homing, to avoid returning with sudden force of door-plate to close, cause door-plate or glass breakage.
Above-mentioned door closer structure, though can reach the keying effect of buffering door-plate, yet, its body (60) and piston (70) structure, made with metal material, and piston (70) is set in the accommodation space (61) of body (60), must consider the closure for hydraulic oil, to avoid producing bleeding back of hydraulic oil, so the tolerance dimension when it is made need have suitable accuracy, and manufacturing cost is improved relatively, and, in the piston (70) of circle, also to be drilled with vacant (701), and produce many waste materials, cause the waste of material, and, on columnar piston (70) surface, also to carry out the processing and manufacturing of tooth bar (74), the out of roundness that piston (70) is made, geometric tolerances such as straigheness must be quite accurate, and the clip that just can not cause power transmission shaft (66) rotation and piston (70) to move has some setbacks, therefore, its manufacturing cost height, and make and be difficult for, consuming time bothersome, be difficult to promote production capacity, and its product fraction defective is higher, and influences industrial competitiveness relatively.
The purpose of this utility model is to provide a kind of door closer, and it not only can reach the effect that piston motion is smooth and easy and effectively prevent the improper oil return seepage of hydraulic oil, but also has simple, with low cost, the advantage of high production efficiency of manufacturing.
In order to achieve the above object, the utility model provides a kind of door closer, it is that the accommodation space that runs through is set in body, be equiped with piston in this accommodation space, and in the side of this accommodation space the side seal lid be set and sealed, and form the following protuberance that is communicated with at this body downside, in this time protuberance power transmission shaft is set, the set metal rack of set gear and this piston periphery is meshed on this power transmission shaft surface, and the trace of this power transmission shaft end and door-plate articulates, and it is characterized in that:
This piston is with the plastics ejection formation and coats this metal rack, the head side of this piston forms storage tank, form open slot in this storage tank, in this open slot perforation is set, this perforation runs through the head of this piston and enters among vacant of this piston inboard, and contiguous this piston crown place is provided with caulking groove, and an oil sealing is arranged on this caulking groove, one active block stop is arranged in this open slot, and a non retern valve is arranged in this storage tank.
Described door closer is characterized in that: this metal rack one end forms clamping hook arm, and the head of the plastic material institute shape of this ejaculation is coated on this clamping hook arm.
Described door closer is characterized in that: the formed open slot of this piston crown side is stepped.
Described door closer, it is characterized in that: the formed storage tank inner peripheral of this piston crown side forms most recessed grooves, this each groove is provided with the rubber-like cramp, and this non retern valve is forced in this storage tank, and this each cramp is held in this non retern valve periphery.
Described door closer is characterized in that: most bar flexure strips are set in the ring of this non retern valve, and this flexure strip end continues and forms a tapering, is formed with breach between this each flexure strip.
Described door closer is characterized in that: this oil sealing one side outer rim forms the outer shroud girth sheets of outward-dipping expansion, and inner edge forms interior ring plate.
Described door closer is characterized in that: the piston face that this plastics penetrate the clad metal tooth bar form most roads around rib.
Described door closer is characterized in that: the side of this active block stop is formed with the cone tank of indent.
Door closer of the present utility model, it is that the accommodation space that runs through is set in body, install piston in the accommodation space, and the side seal lid is set in both sides is sealed, and the following protuberance that form to be communicated with at the body downside, in the following protuberance power transmission shaft is set, gear set on the power transmission shaft surface can be meshed with the metal rack of piston, the power transmission shaft end can articulate with the trace of door-plate, make the keying of door-plate to promote the power transmission shaft rotation with trace, make the gear of power transmission shaft can drive tooth bar set on the piston, and promotion piston move left and right, mainly be to constitute piston with plastics ejection formation clad metal tooth bar, the head side of piston forms storage tank, form open slot in the storage tank, perforation is set in the open slot, perforation runs through head and enters among vacant of piston inboard, adjacent piston head place is provided with caulking groove, one oil sealing is arranged on the caulking groove, one active block stop is arranged in the open slot, one non retern valve is arranged in the storage tank, and design by this makes being positioned in the plastic material that metal rack can be firm, reduce production costs and be suitable for mass-produced effect and can reach, and, design of the present utility model, oil sealing that can special shape is sheathed, make the piston activity more smooth and easy, and can reach the seepage that prevents the improper oil return of hydraulic oil, therefore, the utlity model has the excellent effect that promotes industrial competitiveness.
In sum, door closer of the present utility model, its advantage is: have reducing production costs and be suitable for mass-produced effect, and, it can avoid piston displacement by force in body of complete metal material, and causes the wearing and tearing or the fracture of the power transmission shaft that is engaged with, and adds design of the present utility model, can make the piston activity more smooth and easy, and the seepage that can effectively prevent the improper oil return of hydraulic oil.
For enabling further to understand architectural feature of the present utility model, compound mode and other purposes, cooperate graphic detailed description as back with preferred embodiment now:
Brief description of drawings:
Fig. 1: be assembled sectional view of the present utility model.
Fig. 2: the three-dimensional exploded view that is piston of the present utility model and oil sealing, active block stop, non retern valve.
Fig. 3: another visual angle stereogram that is the utility model piston.
Fig. 4: the sectional view that is the utility model piston.
Fig. 5: the top view that is the utility model piston.
Fig. 6: be the three-dimensional exploded view of commonly using door closer.
Fig. 7: be the assembled sectional view of commonly using door closer.
Fig. 8: be the vertical view of commonly using door closer.
At first, please cooperate consult shown in Figure 1, it is the assembled sectional view of the utility model door closer (1), it is that the accommodation space (11) that runs through is set in body (10), installing piston (20) in the accommodation space (11), oil sealing (40) and non retern valve (50) structure, cover (14) and side seal is set in both sides, (15) sealed, and in the following protuberance (12) of body (10) downside formation connection, power transmission shaft (16) is set in the following protuberance (12), gear set on power transmission shaft (16) surface can be meshed with the metal rack (30) of piston (20), power transmission shaft (16) end can articulate with the trace of door-plate, make the keying of door-plate, can promote power transmission shaft (16) rotation by trace, make the gear of power transmission shaft (66) can drive upward set tooth bar (30) of piston (20), and promotion piston (20) move left and right, body (10) one side lower edges form oil return portion (13), oil return portion is provided with hole and oil duct in (13), and the left side of the connection inboard accommodation space of body (10) (11), right both sides, make hydraulic oil be subjected to piston (20) head (21) but the extruding oil return and form buffering.
Cooperation is consulted shown in Figure 2, it is piston (20) structure of the utility model improvement and in piston (20) head (21) end oil sealing (40) is set, the three-dimensional exploded view of active block stop (43) and non retern valve (50), wherein, the utility model design characteristic, can cooperate and consult Fig. 2, Fig. 3 and shown in Figure 4, be to form piston (20) structure with plastics ejection formation clad metal tooth bar (30), and head (21) side in piston (20) forms storage tank (22), form stair-stepping open slot (23) in the storage tank (22), and perforation (24) is set in open slot (23) runs through the interior protuberance (29) of head (21) inboard and enter in vacant (201) of piston (20).
Piston (20) surface form most roads around rib (28), and locate to form around stepped caulking groove (27) in contiguous head (21), storage tank (22) inner peripheral forms most recessed grooves (25), and locate to be provided with the flexible cramp of tool (26) at groove (25), one oil sealing (40) one sides form the outer shroud girth sheets (41) of outward-dipping expansion, and inner edge forms interior ring plate (42), oil sealing (40) can be sheathed in the caulking groove (27) of piston (20), when piston (20) was arranged at the accommodation space (11) of body (10), the outer shroud girth sheets (41) of oil sealing (40) can form excellent sealing driving fit.
In the open slot (23) of piston (20) active block stop (43) is set, active block stop (43) side forms the cone tank (431) of indent, most bar flexure strips (51) are set in the ring of one non retern valve (50), flexure strip (51) end continues and forms a tapering (52), form breach (53) between flexure strip (51) and the flexure strip (51), non retern valve (50) can be forced in the storage tank (22) of piston (20) side, make the cramp (26) of storage tank (22) periphery can be held in non retern valve (50) periphery, and as shown in Figure 5, it is preferred embodiment structure of the present utility model, penetrate two metal racks (30) side by side of coating with plastics, and metal rack (30) one ends form clamping hook arm (31), and the formed head of plastic material (21) that clamping hook arm (31) can be penetrated is coated.
On reality is used, can cooperate consult shown in Figure 1, when the door-plate of this door closer (1) of installing is opened, trace can drive power transmission shaft (16) rotation, make the force-applied promotion of piston (20) and towards moving left, at this moment, piston (20) compression spring (17), and make filling can flow to perforation (24) in the hydraulic oil of accommodation space (11) and piston (20) vacant (201), and with hydraulic oil promotion active block stop (43), hydraulic oil can be flow through by the active block stop (43) and the gap of open slot (23), and flow in the accommodation space (11) on body (10) right side by the breach (53) of non retern valve (50).
And when the door-plate involution is closed, the response force of being put aside in the time of then can utilizing spring (17) by compression promotes piston (20) and moves right, make piston (20) head (21) can push hydraulic oil in the right side accommodation space (11), and the pressure that makes hydraulic oil can promote the flexure strip (51) of non retern valve (50), make the terminal tapering (52) of flexure strip (51) can push against active block stop (43) and will bore a hole (24) sealed, at this moment, hydraulic oil can enter oil return portion (13) by the hole of running through into oil return portion (13), and flow back to via the runner of oil return portion (13) on the left of the accommodation space (11), and the stroke of the extruding hydraulic oil of this piston (20) before homing, promptly become the cushion stroke of door closer (1), make closing of door-plate can reach soft effect, to avoid returning with sudden force of door-plate to close, cause door-plate or glass breakage.
And because piston of the present utility model (20), be to penetrate clad metal tooth bar (30) with plastic material to be constituted, this plate shaped metal rack (30) itself promptly has the advantage that is easy to make, the ejaculation that adds plastics coats, making metal rack (30) have strong fix does not come off, and can reach the excellent effect that is suitable for producing in a large number to reduce cost, and, installing metal rack (30) in the piston of plastic material (20), in the time of can making the gear driven piston (20) of power transmission shaft (16), piston (20) surface can not rub with the inner brute force that forms the complete metal goods of the accommodation space (11) of body (10), and can avoid piston (20) wearing and tearing, and the fracture of power transmission shaft (16), add the setting of oil sealing (40), the one side forms the outer shroud girth sheets (41) that expands outwardly inclination, makes the left and right displacement of piston (20) in body (10) can prevent the hydraulic oil seepage, and allows piston (20) can reach the practical effect of more smooth and easy activity.
Claims (8)
1. door closer, it is that the accommodation space that runs through is set in body, be equiped with piston in this accommodation space, and in the side of this accommodation space the side seal lid is set and is sealed, and form the following protuberance that is communicated with at this body downside, and in this time protuberance power transmission shaft being set, the set metal rack of set gear and this piston periphery is meshed on this power transmission shaft surface, the trace of this power transmission shaft end and door-plate articulates, and it is characterized in that:
This piston is with the plastics ejection formation and coats this metal rack, the head side of this piston forms storage tank, form open slot in this storage tank, in this open slot perforation is set, this perforation runs through the head of this piston and enters among vacant of this piston inboard, and contiguous this piston crown place is provided with caulking groove, and an oil sealing is arranged on this caulking groove, one active block stop is arranged in this open slot, and a non retern valve is arranged in this storage tank.
2. door closer as claimed in claim 1 is characterized in that: this metal rack one end forms clamping hook arm, and the head of the plastic material institute shape of this ejaculation is coated on this clamping hook arm.
3. door closer as claimed in claim 1 is characterized in that: the formed open slot of this piston crown side is stepped.
4. door closer as claimed in claim 1, it is characterized in that: the formed storage tank inner peripheral of this piston crown side forms most recessed grooves, this each groove is provided with the rubber-like cramp, and this non retern valve is forced in this storage tank, and this each cramp is held in this non retern valve periphery.
5. as claim 1 or 4 described door closers, it is characterized in that: most bar flexure strips are set in the ring of this non retern valve, and this flexure strip end continues and forms a tapering, is formed with breach between this each flexure strip.
6. door closer as claimed in claim 1 is characterized in that: this oil sealing one side outer rim forms the outer shroud girth sheets of outward-dipping expansion, and inner edge forms interior ring plate.
7. door closer as claimed in claim 1 is characterized in that: the piston face that this plastics penetrate the clad metal tooth bar form most roads around rib.
8. door closer as claimed in claim 1 is characterized in that: the side of this active block stop is formed with the cone tank of indent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01226718 CN2483483Y (en) | 2001-06-12 | 2001-06-12 | Closer for door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01226718 CN2483483Y (en) | 2001-06-12 | 2001-06-12 | Closer for door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2483483Y true CN2483483Y (en) | 2002-03-27 |
Family
ID=33642307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01226718 Expired - Fee Related CN2483483Y (en) | 2001-06-12 | 2001-06-12 | Closer for door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2483483Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315005B (en) * | 2008-07-10 | 2011-10-19 | 王斌坚 | Transmission device of automatic lock |
| CN103306565A (en) * | 2013-06-25 | 2013-09-18 | 苏州市富尔达实业有限公司 | Door closer with novel sealing structure |
| CN108991943A (en) * | 2018-09-05 | 2018-12-14 | 广东美的厨房电器制造有限公司 | The door body buffer unit of cooking apparatus and cooking apparatus |
| CN109112796A (en) * | 2017-06-26 | 2019-01-01 | 青岛海尔洗衣机有限公司 | A kind of damp hinge and washing machine |
-
2001
- 2001-06-12 CN CN 01226718 patent/CN2483483Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315005B (en) * | 2008-07-10 | 2011-10-19 | 王斌坚 | Transmission device of automatic lock |
| CN103306565A (en) * | 2013-06-25 | 2013-09-18 | 苏州市富尔达实业有限公司 | Door closer with novel sealing structure |
| CN103306565B (en) * | 2013-06-25 | 2016-08-10 | 苏州市富尔达科技股份有限公司 | There is the door closer sealing structure |
| CN109112796A (en) * | 2017-06-26 | 2019-01-01 | 青岛海尔洗衣机有限公司 | A kind of damp hinge and washing machine |
| CN108991943A (en) * | 2018-09-05 | 2018-12-14 | 广东美的厨房电器制造有限公司 | The door body buffer unit of cooking apparatus and cooking apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020327 |