CN203716719U - Door closer - Google Patents
Door closer Download PDFInfo
- Publication number
- CN203716719U CN203716719U CN201320788384.9U CN201320788384U CN203716719U CN 203716719 U CN203716719 U CN 203716719U CN 201320788384 U CN201320788384 U CN 201320788384U CN 203716719 U CN203716719 U CN 203716719U
- Authority
- CN
- China
- Prior art keywords
- spring
- slide
- steel ball
- housing
- door closer
- 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
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- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The utility model discloses a door closer. According to the technical scheme, the door closer comprises a machine body and a sliding rail rocker arm device, wherein a sliding assembly comprises a sliding seat and a pulley capable of rolling on a sliding rail; a rotating hole is formed in the pulley; one end of the sliding seat is arranged in the rotating hole and is propped against the sliding rail, and the other end of the sliding seat is fixed at one end, opposite to a gear shaft, of a main arm; the sliding seat is rotationally connected with the pulley. According to the door closer, the pulley can rotate relative to the sliding seat; when the sliding seat moves, the pulley can roll on the sliding rail, friction between the pulley and the inner wall of the sliding rail is changed into rolling friction, the friction force of the sliding assembly on the sliding rail on a sliding groove is reduced, the sliding assembly can smoothly slide on the sliding rail on the sliding groove, and the using performance of the door closer is improved.
Description
Technical field
The utility model relates to automation field, and more particularly, it relates to a kind of door closer.
Background technology
Door closer is by the liquid in door closer, to carry out throttling to reach cushioning effect.The core of hydraulic door-closer design philosophy is to realize the control to the process of closing the door, and the various functional parameters of the process of closing the door can be regulated according to human needs.The meaning of door closer is not only door automatically to close, and can also protect doorframe and door body (steadily closing), the more important thing is that door closer has become a very important operating part of modern architecture intelligent management.
The operating principle of door closer is: when opening the door, and the action of door body drivening rod, and travelling gear is rotated, drive tooth bar plunger to right-hand movement.The process medi-spring moving to right at plunger is compressed, and the hydraulic oil in right chamber is pressurized also.The one way valve spheroid in plunger left side is opened under the effect of oil pressure, and the hydraulic oil in right chamber flows in left chamber through one way valve.After the process of opening the door completes, because spring is compressed in opening process, the elastic potential energy of putting aside is released, and by the plunger thruster of turning left, band nutating gear and door closer connecting rod rotate, and door is closed.
A kind of door closer, comprise body, slide rail rocker arm apparatus, described body comprises housing, buffer gear, travelling gear, gear shaft, spring, described buffer gear, travelling gear, spring connects successively and is placed in housing, described housing both ends of the surface are provided with the cylinder cap for seal casinghousing, described cylinder cap comprises front end housing, back cylinder cover, described front end housing is placed in housing one end face and contacts with described buffer gear, on described travelling gear, offer teeth groove, described slide rail rocker arm apparatus comprises chute, principal arm, slide assemblies, and the locked component that can lock slide assemblies, described locked component is placed in chute and is fixed on chute bottom, described chute is provided with the slide rail that can make slide assemblies slide, described slide assemblies is placed on slide rail, described gear shaft one end is placed in teeth groove, the other end exposes outside housing and principal arm is rotationally connected.While sliding on the slide rail of principal arm drive slide assemblies at chute, because described slide assemblies can only slide in chute, the inwall gap on slide assemblies and slide rail both sides is smaller simultaneously, described slide assemblies is encountered slide rail inwall and is produced easily its slip of obstruction of friction, be not easy to principal arm and rotate, reduce the functional performance of door closer.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide the door closer that a kind of slide assemblies can smooth and easy slip in chute.
For achieving the above object, the utility model provides following technical scheme: a kind of door closer, comprise body, slide rail rocker arm apparatus, described body comprises housing, buffer gear, travelling gear, gear shaft, spring, described buffer gear, travelling gear, spring connects successively and is placed in housing, described housing both ends of the surface are provided with the cylinder cap for seal casinghousing, described cylinder cap comprises front end housing, back cylinder cover, described front end housing is placed in housing one end face and contacts with described buffer gear, on described travelling gear, offer teeth groove, described gear shaft and travelling gear are suitable, described slide rail rocker arm apparatus comprises chute, principal arm, slide assemblies, and for locking the locked component of slide assemblies, described locked component is placed in chute, described chute is provided with for the slide rail with slide assemblies slippage, described slide assemblies is placed on slide rail, described gear shaft one end is placed in teeth groove, the other end exposes outside housing and principal arm is rotationally connected, described slide assemblies comprises slide, and the pulley for being connected with slide rail slippage, described pulley is provided with rotation hole, described slide one end be placed in rotation hole and this end and slide rail inconsistent, the other end is fixed on described principal arm one end relative to described gear shaft, described slide and pulley are rotationally connected.
By adopting technique scheme, described pulley can rotate relative to slide, when slide moves, pulley can be rolled on slide rail, described pulley and slide rail inwall produce frictional force and become rolling friction, reduce the frictional force on the slide rail of slide assemblies on chute, slide assemblies can the slide rail on chute on smooth and easy slip, improve door closer functional performance.
The utility model is further set to: described body also includes spring guiding mechanism, described spring guiding mechanism linking springs and back cylinder cover, described back cylinder cover offers adjustment hole, described adjustment hole central axis is with respect to housing central axis eccentric setting, described spring guiding mechanism comprises adjusting bolt, adjusting nut, described adjusting bolt comprises and is integrally formed with successively bolt adjustment part, flange, bolt installation portion, described bolt installation portion is placed in adjustment hole, and described bolt adjustment part is provided with screw thread and matches with adjusting nut.Described adjustment hole central axis is with respect to housing central axis eccentric setting, make also relative and housing central axis eccentric setting of described adjusting bolt, adjusting nut, when rotation adjusting bolt, the whole relative adjustment bolt of adjusting nut is moved forward and backward, described adjusting nut and described adjusting bolt can not produce idle running, the pre compressed magnitude of adjustable springs.
The utility model is further set to: described slide includes slide main body, steel ball and spring, steel ball, steel ball and spring adjustment part, described slide main body is provided with through hole, described steel ball and spring adjustment part, steel ball and spring, steel ball connects successively and is placed in through hole, described steel ball and chute bottom are inconsistent, locked component comprises lock dog, and for the fixing shell fragment of steel ball, described shell fragment one end is fixed under lock dog, the other end is provided with jut, described shell fragment and chute bottom connection touch, described shell fragment one end relative to described jut is provided with bending part, described lock dog is provided with groove, described bending part is placed in groove.Slide drives steel ball in chute, to move to the jut of shell fragment, and steel ball can push jut and cross jut, realizes locked component locking slide assemblies, simplifies the structure.
The utility model is further set to: described through-hole wall is provided with screw thread, and described steel ball and spring adjustment part is with the inwall of through hole for being threaded, and a described steel ball and spring adjustment part end face relative to described steel ball and spring is provided with interior hexagonal counterbore.Interior hexagonal counterbore personnel adjustment spring adjusting part easy to use, reaches the spring force of spring to steel ball, and in adjusting door closer, locked component is to latching force of slide assemblies.
The utility model is further set to: described spring guiding mechanism also comprises adjusting washer (disk) and prevent the split washer that adjusting nut comes off, and described adjusting washer (disk) is placed between flange and back cylinder cover.Described split washer is placed on one end, described bolt adjustment part, prevents from when adjusting nut relative adjustment bolt from rotating coming off.
By adopting technique scheme, described pulley can rotate relative to slide, when slide moves, pulley can be rolled on slide rail, described pulley and slide rail inwall produce frictional force and become rolling friction, reduce the frictional force on the slide rail of slide assemblies on chute, slide assemblies can the slide rail on chute on smooth and easy slip, improve door closer functional performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of door closer of the utility model;
Fig. 2 is the body sectional view of a kind of door closer of the utility model;
Fig. 3 is the slide rail rocker arm apparatus sectional view of a kind of door closer of the utility model;
Fig. 4 is lock dog 241 sectional views of a kind of door closer of the utility model;
Fig. 5 is shell fragment 242 sectional views of a kind of door closer of the utility model;
Fig. 6 is that Fig. 1 is A partial enlarged drawing.
In figure 1, body; 2, slide rail rocker arm apparatus; 11, housing; 12, buffer gear; 13, travelling gear; 14, gear shaft; 15, spring; 16, front end housing; 17, spring guiding mechanism; 18, back cylinder cover; 21, chute; 22, principal arm; 23, slide assemblies; 24, locked component; 171, adjusting bolt; 172, adjusting nut; 173, adjusting washer (disk); 174, split washer; 181, adjustment hole; 211, slide rail; 231, slide; 232, pulley; 241, lock dog; 242, shell fragment; 1711, bolt adjustment part; 1712, flange; 1713, bolt installation portion; 2311, slide main body; 2312, steel ball and spring; 2313, steel ball; 2314, steel ball and spring adjustment part; 2315, through hole; 2411, groove; 2421, jut; 2422, bending part.
The specific embodiment
Referring to figs. 1 through Fig. 6, a kind of door closer of the utility model is described further.
A kind of door closer, comprise body 1, slide rail 211 rocker arm apparatuss 2, described body 1 comprises housing 11, buffer gear 12, travelling gear 13, gear shaft 14, spring, described buffer gear 12, travelling gear 13, spring connects successively and is placed in housing 11, described housing 11 both ends of the surface are provided with the cylinder cap for seal casinghousing 11, described cylinder cap comprises front end housing 16, back cylinder cover 18, described front end housing 16 is placed in housing 11 1 end faces and contacts with described buffer gear 12, on described travelling gear 13, offer teeth groove, described gear shaft 14 is suitable with travelling gear 13, described slide rail 211 rocker arm apparatuss 2 comprise chute 21, principal arm 22, slide assemblies 23, and for locking the locked component 24 of slide assemblies 23, described locked component 24 is placed in chute 21, described chute 21 is provided with for the slide rail 211 with slide assemblies 23 slippages, described slide assemblies 23 is placed on slide rail 211, described gear shaft 14 one end are placed in teeth groove, the other end exposes outside housing 11 and principal arm 22 is rotationally connected, described slide assemblies 23 comprises slide 231, and the pulley 232 for being connected with slide rail 211 slippages, described pulley 232 is provided with rotation hole, described slide 231 one end be placed in rotation hole and this end and slide rail 211 inconsistent, the other end is fixed on described principal arm 22 with on the relative one end of described gear shaft 14, described slide 231 is rotationally connected with pulley 232.
Described pulley 232 can rotate relative to slide 231, when slide 231 moves, pulley 232 can be rolled on slide rail 211, described pulley 232 produces frictional force with slide rail 211 inwalls and becomes rolling friction, reduce the frictional force on the slide rail 211 of slide assemblies 23 on chute 21, slide assemblies 23 can the slide rail 211 on chute 21 on smooth and easy slip, improve door closer functional performance.
Described body 1 also includes spring guiding mechanism 17, described spring guiding mechanism 17 linking springs and back cylinder cover 18, described back cylinder cover 18 offers adjustment hole 181, described adjustment hole 181 central axis are with respect to housing 11 central axis eccentric settings, described spring guiding mechanism 17 comprises adjusting bolt 171, adjusting nut 172, described adjusting bolt 171 comprises and is integrally formed with successively bolt adjustment part 1711, flange 1712, bolt installation portion 1713, described bolt installation portion 1713 is placed in adjustment hole 181, described bolt adjustment part 1711 is provided with screw thread and matches with adjusting nut 172.Described adjustment hole 181 central axis are with respect to housing 11 central axis eccentric settings, make also relative and housing 11 central axis eccentric settings of described adjusting bolt 171, adjusting nut 172, when rotation adjusting bolt 171, the whole relative adjustment bolt 171 of adjusting nut 172 is moved forward and backward, described adjusting nut 172 can not produce idle running with described adjusting bolt 171, the pre compressed magnitude of adjustable springs, adjusts the size of the resistance of closing the door.
Described slide 231 includes slide main body 2311, steel ball and spring 2312, steel ball 2313, steel ball and spring adjustment part 2314, described slide main body 2311 is provided with through hole 2315, described steel ball and spring adjustment part 2314, steel ball and spring 2312, steel ball 2313 connects and is placed in through hole 2315 successively, described steel ball and chute 21 bottoms are inconsistent, locked component 24 comprises lock dog 241, and for the fixing shell fragment 242 of steel ball, described shell fragment 242 one end are fixed on lock dog 241 times, also can screwed hole be set at lock dog 241, be bolted shell fragment 242, be convenient to like this locked component 24 Assembly And Disassemblies, shell fragment 242 other ends are provided with jut 2421, described shell fragment 242 touches with chute 21 bottom connections, described shell fragment 242 is provided with bending part 2422 with the relative one end of described jut 2421, described lock dog 241 is provided with groove 2411, described bending part 2422 is placed in groove 2411.Slide 231 drives steel ball in chute 21, to move to the jut 2421 of shell fragment 242, and steel ball can push jut 2421 and cross jut 2421, realizes locked component 24 locking slide assemblies 23, simplifies the structure.
Described through hole 2315 inwalls are provided with screw thread, and described steel ball and spring adjustment part 2314 is with the inwall of through hole 2315 for being threaded, and described steel ball and spring adjustment part 2314 end face relative to described steel ball and spring 2312 is provided with interior hexagonal counterbore.Interior hexagonal counterbore personnel adjustment spring adjusting part easy to use, reaches the spring force of steel ball and spring to steel ball, regulates 23 1 latching forces of 24 pairs of slide assemblies of locked component in door closer, can meet different places and use needs.
Described spring guiding mechanism 17 also comprises adjusting washer (disk) 173 and prevents the split washer 174 that adjusting nut 172 comes off, described adjusting washer (disk) 173 is placed between flange 1712 and back cylinder cover 18, the diameter of described adjusting washer (disk) 173 is preferably the same with flange 1712 diameter, make the regulating effect of adjusting washer (disk) 173 better, described split washer 174 is placed on 1711 one end, described bolt adjustment part, prevent from when adjusting nut 172 relative adjustment bolts 171 from rotating coming off, what described split washer 174 can be by 65Mn steel making.
Claims (5)
1. a door closer, comprise body, slide rail rocker arm apparatus, described body comprises housing, buffer gear, travelling gear, gear shaft, spring, described buffer gear, travelling gear, spring connects successively and is placed in housing, described housing both ends of the surface are provided with the cylinder cap for seal casinghousing, described cylinder cap comprises front end housing, back cylinder cover, described front end housing is placed in housing one end face and contacts with described buffer gear, on described travelling gear, offer teeth groove, described gear shaft and travelling gear are suitable, described slide rail rocker arm apparatus comprises chute, principal arm, slide assemblies, and for locking the locked component of slide assemblies, described locked component is placed in chute, described chute is provided with for the slide rail with slide assemblies slippage, described slide assemblies is placed on slide rail, described gear shaft one end is placed in teeth groove, the other end exposes outside housing and principal arm is rotationally connected, it is characterized in that: described slide assemblies comprises slide, and the pulley for being connected with slide rail slippage, described pulley is provided with rotation hole, described slide one end be placed in rotation hole and this end and slide rail inconsistent, the other end is fixed on described principal arm one end relative to described gear shaft, described slide and pulley are rotationally connected.
2. a kind of door closer according to claim 1, it is characterized in that: described body also includes spring guiding mechanism, described spring guiding mechanism linking springs and back cylinder cover, described back cylinder cover offers adjustment hole, described adjustment hole central axis is with respect to housing central axis eccentric setting, described spring guiding mechanism comprises adjusting bolt, adjusting nut, described adjusting bolt comprises and is integrally formed with successively bolt adjustment part, flange, bolt installation portion, described bolt installation portion is placed in adjustment hole, and described bolt adjustment part is provided with screw thread and matches with adjusting nut.
3. a kind of door closer according to claim 1 and 2, it is characterized in that: described slide includes slide main body, steel ball and spring, steel ball, steel ball and spring adjustment part, described slide main body is provided with through hole, described steel ball and spring adjustment part, steel ball and spring, steel ball connects successively and is placed in through hole, described steel ball and chute bottom are inconsistent, locked component comprises lock dog, and for the fixing shell fragment of steel ball, described shell fragment one end is fixed under lock dog, the other end is provided with jut, described shell fragment and chute bottom connection touch, described shell fragment one end relative to described jut is provided with bending part, described lock dog is provided with groove, described bending part is placed in groove.
4. a kind of door closer according to claim 3, it is characterized in that: described through-hole wall is provided with screw thread, described steel ball and spring adjustment part is with the inwall of through hole for being threaded, and a described steel ball and spring adjustment part end face relative to described steel ball and spring is provided with interior hexagonal counterbore.
5. a kind of door closer according to claim 2, it is characterized in that: described spring guiding mechanism also comprises adjusting washer (disk) and prevents the split washer that adjusting nut comes off, described adjusting washer (disk) is placed between flange and back cylinder cover, and described split washer is placed on one end, described bolt adjustment part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320788384.9U CN203716719U (en) | 2013-12-03 | 2013-12-03 | Door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320788384.9U CN203716719U (en) | 2013-12-03 | 2013-12-03 | Door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203716719U true CN203716719U (en) | 2014-07-16 |
Family
ID=51155885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320788384.9U Expired - Fee Related CN203716719U (en) | 2013-12-03 | 2013-12-03 | Door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203716719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982436A (en) * | 2021-10-21 | 2022-01-28 | 北京华予人防设备有限公司 | Reinforced concrete structure people's air defense door |
-
2013
- 2013-12-03 CN CN201320788384.9U patent/CN203716719U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982436A (en) * | 2021-10-21 | 2022-01-28 | 北京华予人防设备有限公司 | Reinforced concrete structure people's air defense door |
| CN113982436B (en) * | 2021-10-21 | 2023-09-05 | 北京华予人防设备有限公司 | Reinforced concrete structure civil air defense door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20181203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |