CN103243994A - Door closer - Google Patents
Door closer Download PDFInfo
- Publication number
- CN103243994A CN103243994A CN2013102116949A CN201310211694A CN103243994A CN 103243994 A CN103243994 A CN 103243994A CN 2013102116949 A CN2013102116949 A CN 2013102116949A CN 201310211694 A CN201310211694 A CN 201310211694A CN 103243994 A CN103243994 A CN 103243994A
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- CN
- China
- Prior art keywords
- door closer
- cam switch
- door
- connecting rod
- chute
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- 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.)
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- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses a door closer which comprises a seat body which can be mounted on a door or a door frame, a cam switch which is located between two lugs, and can be in intermittent transmission connection with a door closer connecting rod, and reset elastic pieces which are connected with the cam switch and can pull the cam switch to reset, wherein the seat body is provided with the two lugs which are arranged symmetrically in parallel; the lugs are provided with sliding grooves with sliding ends and corner clamping ends; the cam switch is provided with clamping shafts which are slidingly connected with the sliding grooves in a sleeving manner, and drive the cam switch to slide; when the clamping shafts are located at the sliding ends, the door closer connecting rod is in transmission connection with the cam switch; and when the clamping shafts are clamped at the corner clamping ends, the door closer connecting rod is separated from the cam switch. The door closer has the advantages that when the door is close to a closed position, a closing force of the door closer is increased effectively; the door can be closed completely; and the door closer is high in working stability and convenient to use.
Description
Technical field
The present invention relates to a kind of door closer.
Background technology
Door closer generally comprises housing and the connecting rod that is provided with governor motion, and during use, housing is installed on door or the doorframe, and the governor motion in connecting rod one end and the housing is connected, an end be articulated in be fixed in doorframe or on pedestal door is connected with doorframe.After door was opened, the main spring of governor motion applied driving force in connecting rod, and the connecting rod that makes rotates and drives door and closes, be used for guaranteeing that door is unlocked after, can be closed to initial position accurately, timely.During near fastening position, the elastic energy of the main spring of governor motion storage is very little, when having external drag (as the wind resistance on the door), causes the problem that door can not be closed easily at door for the door closer of prior art.Especially use when double-layer door, after the first floor door is closed, when closing the second layer, owing to form sealing air pressure between the two-layer door, make main spring in the door closer near preloading condition, make second layer door not close fully, poor work stability is brought inconvenience in the use to the client.
Summary of the invention
The object of the present invention is to provide a kind ofly can at door during near fastening position, increase the power of closing of door closer effectively, guarantee that door can close job stability height, door closer easy to use fully.
According to an aspect of the present invention, a kind of door closer is provided, comprise the pedestal that can be installed on door or the doorframe, pedestal is provided with two parallel symmetrically arranged lugs, lug is provided with the chute with sliding end and turning screens end, also comprise between two lugs and the cam switch that can be connected with the intermittently-driving of door closer connecting rod and be connected with cam switch also and can spur the return springs that this cam switch resets, cam switch is provided with and is socketed on chute slidably and drives the screens axle that this cam switch slides, when the screens axle is positioned at sliding end, door closer connecting rod and cam switch are in transmission connection, screens axle clip is when turning screens end, and door closer connecting rod and cam switch break away from mutually.
In some embodiments, chute can be bending chute or arc chute.
In some embodiments, screens end in turning can turn to the direction away from the door closer connecting rod.
In some embodiments, the groove width of bending chute can be mated with the diameter of axle size of screens axle.
In some embodiments, can also comprise the drive rod that is articulated between two lugs and can fixedlys connected with the door closer connecting rod by swivel pin, the door closer connecting rod is connected with the cam switch intermittently-driving by drive rod.
In some embodiments, cam switch can be provided with can with engagement groove or the engagement lugs of drive rod socket.
In some embodiments, can also comprise the wearing piece that between drive rod and lug, is used for reducing the drive rod wearing and tearing.
In some embodiments, can also comprise the stiffener that is fixedly connected on lug, is used for strengthening this lug intensity, stiffener is provided with the groove corresponding with chute, and the screens axle runs through chute and is socketed on groove.
In some embodiments, the screens axle can be two.
In some embodiments, return springs can be spring, resilient sleeve or shell fragment, and the one end is fixedlyed connected with cam switch, and the other end is fixedly connected on pedestal.
A kind of door closer of the present invention, pedestal is provided with two parallel symmetrically arranged lugs, lug is provided with the chute with sliding end and turning screens end, has the cam switch that is provided with the screens axle between two lugs, the screens axle is socketed in the chute movably and can drives cam switch and slides, cam switch is connected with the connecting rod intermittently-driving of door closer, and return springs is connected with cam switch and can spurs cam switch and reset.When door was closed, the door closer connecting rod was connected with cam switch, and return springs is in compressive state; In opening the door, the door closer connecting rod rotates and drives screens axle and cam switch and moves along the sliding end of chute, and when the screens axle moves to the turning screens end of chute and lived by clip, the door closer connecting rod just breaks away from cam switch, and return springs is in extended state; In closing the door, door closer connecting rod counter-rotation just is connected with cam switch during to certain angle, and drive screens axle disengaging turning screens end enters sliding end, return springs is released, drive cam switch and door closer connecting rod and reset rapidly, increased the power of closing of door closer effectively, the assurance door can be closed fully, the job stability height, easy to use.
Description of drawings
Fig. 1 is the structural representation of a kind of door closer of one embodiment of the present invention.
The STRUCTURE DECOMPOSITION schematic diagram of Fig. 2 a kind of door closer shown in Figure 1.
Cam switch shown in Figure 2 and drive rod connection status schematic diagram when Fig. 3 closes for door.
Fig. 4 is cam switch shown in Figure 2 in opening the door and drive rod connection status schematic diagram.
Fig. 5 is cam switch shown in Figure 2 in closing the door and drive rod connection status schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing invention is described in further detail.
Fig. 1 has schematically shown a kind of door closer according to one embodiment of the present invention.
As shown in Figure 1, 2, this door closer comprises pedestal 1, cam switch 2 and return springs 3.In addition, also comprise drive rod 4, stiffener 5 and wearing piece 6.
Turning screens end 104 can turn to the direction near door closer connecting rod 7, also can be the direction that turns to away from door closer connecting rod 7.Be preferably the latter, make turning screens end 104 can tighten screens axle 201 effectively thus, improved the stability of a kind of door closer work of the present invention.
The diameter of axle size coupling of the groove width of chute 102 and screens axle 201.Specifically, be exactly that the outer circumference surface of screens axle 201 and the inner surface of chute 102 are fitted.Make screens axle 201 slide or clip in turning screens end 104 time at sliding end 103 thus, can not produce and rock, improved the stability of a kind of door closer work of the present invention.
Wearing piece 6 can be two, four or six etc.In the present embodiment, be two, respectively clip separates drive rod 4 both sides and lug 101 between drive rod 4 both sides and lug 101, and the wearing and tearing of drive rod 4 when reducing work have effectively prolonged application life of a kind of door closer of the present invention.
When a kind of door closer of the present invention uses, door closer be installed on that door is gone up or doorframe on, pedestal 1 is installed on doorframe or the door accordingly, door closer connecting rod 7 and drive rod 4 are fixedly connected to be connected door with doorframe.
A kind of door closer duty of the present invention is as follows:
Door is when closing, as shown in Figure 3, door closer connecting rod 7 in a state of nature, the axis of drive division 401 is parallel with horizon and be plugged in the engagement groove 202 of cam switch 2, at this moment, return springs 3 is in contraction state.
In closing the door, as shown in Figure 4, door closer connecting rod 7 drives drive divisions 401 and turns clockwise in engagement groove 202, and drives screens axle 201 and drive cam switches 2 and slide in the sliding end 103 of chute 102, and return springs 3 is stretched.When door closer connecting rod 7 rotates to axis and horizon angle during greater than 40 °, a screens axle 201 is connected in the turning screens end 104, and drive division 401 detaches engagement groove 202, and return springs 3 is in tension.
In closing the door, as shown in Figure 5, door closer connecting rod 7 drive drive rods 4 are done and are rotated counterclockwise, and drive division 401 rotates gradually to inserting in the engagement groove 202.When door closer connecting rod 7 rotates to axis and horizon angle during less than 40 ° (door near fastening position time), drive division 401 drives the screens axle 201 disengaging turning screens ends 104 that are connected in the turning screens end 104 and enters in the sliding end 103, return springs 3 discharges, drive door closer connecting rod 7 powerful returns, increased the power of closing of door closer effectively, the assurance door can be closed fully, and the job stability height is easy to use.
Above-described only is some embodiments of the present invention.For the person of ordinary skill of the art, under the prerequisite that does not break away from the invention design, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. door closer, comprise the pedestal that can be installed on door or the doorframe, it is characterized in that, described pedestal is provided with two parallel symmetrically arranged lugs, described lug is provided with the chute with sliding end and turning screens end, also comprise between described two lugs and the cam switch that can be connected with the intermittently-driving of door closer connecting rod and be connected with described cam switch also and can spur the return springs that this cam switch resets, described cam switch is provided with and is socketed on described chute slidably and drives the screens axle that this cam switch slides, when described screens axle is positioned at described sliding end, described door closer connecting rod and cam switch are in transmission connection, described screens axle clip is when described turning screens end, and described door closer connecting rod and described cam switch break away from mutually.
2. a kind of door closer according to claim 1 is characterized in that, described chute is bending chute or arc chute.
3. a kind of door closer according to claim 1 is characterized in that, described turning screens end turns to the direction away from described door closer connecting rod.
4. a kind of door closer according to claim 1 is characterized in that, the diameter of axle size coupling of the groove width of described bending chute and described screens axle.
5. a kind of door closer according to claim 1, it is characterized in that, also comprise the drive rod that is articulated between described two lugs and can fixedlys connected with the door closer connecting rod by swivel pin, described door closer connecting rod is connected with described cam switch intermittently-driving by described drive rod.
6. a kind of door closer according to claim 5 is characterized in that, described cam switch be provided with can with engagement groove or the engagement lugs of described drive rod socket.
7. a kind of door closer according to claim 5 is characterized in that, also comprises the wearing piece that is used for reducing described drive rod wearing and tearing between described drive rod and described lug.
8. a kind of door closer according to claim 1, it is characterized in that, also comprise the stiffener that is fixedly connected on described lug, is used for strengthening this lug intensity, described stiffener is provided with the groove corresponding with described chute, and described screens axle runs through described chute and is socketed on described groove.
9. a kind of door closer according to claim 1 is characterized in that, described screens axle is two.
10. according to each described a kind of door closer of claim 1-9, it is characterized in that described return springs is spring, resilient sleeve or shell fragment, the one end is fixedlyed connected with described cam switch, and the other end is fixedly connected on described pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102116949A CN103243994A (en) | 2013-05-31 | 2013-05-31 | Door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102116949A CN103243994A (en) | 2013-05-31 | 2013-05-31 | Door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103243994A true CN103243994A (en) | 2013-08-14 |
Family
ID=48923837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102116949A Pending CN103243994A (en) | 2013-05-31 | 2013-05-31 | Door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103243994A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742016A (en) * | 2014-01-22 | 2014-04-23 | 伍志勇 | Automatic reset switch system for furniture |
| CN103924858A (en) * | 2014-04-09 | 2014-07-16 | 希美克(广州)实业有限公司 | Door closer device with automatic stopping function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB497283A (en) * | 1937-06-15 | 1938-12-15 | Wilkes Berger Engineering Comp | Improvements relating to lid stays |
| CN2210242Y (en) * | 1994-06-10 | 1995-10-18 | 张永善 | Damping device for closing door |
| CN2300699Y (en) * | 1996-02-09 | 1998-12-16 | 刘琰 | Automatic door closing device |
| US5931554A (en) * | 1997-08-29 | 1999-08-03 | General Electric Company | Refrigerator door stop |
| US20120192382A1 (en) * | 2011-01-31 | 2012-08-02 | Weber Knapp Company | Counterbalance mechanism |
| CN202450908U (en) * | 2011-11-28 | 2012-09-26 | 潘少萍 | Novel box hinge assembly |
-
2013
- 2013-05-31 CN CN2013102116949A patent/CN103243994A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB497283A (en) * | 1937-06-15 | 1938-12-15 | Wilkes Berger Engineering Comp | Improvements relating to lid stays |
| CN2210242Y (en) * | 1994-06-10 | 1995-10-18 | 张永善 | Damping device for closing door |
| CN2300699Y (en) * | 1996-02-09 | 1998-12-16 | 刘琰 | Automatic door closing device |
| US5931554A (en) * | 1997-08-29 | 1999-08-03 | General Electric Company | Refrigerator door stop |
| US20120192382A1 (en) * | 2011-01-31 | 2012-08-02 | Weber Knapp Company | Counterbalance mechanism |
| CN202450908U (en) * | 2011-11-28 | 2012-09-26 | 潘少萍 | Novel box hinge assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742016A (en) * | 2014-01-22 | 2014-04-23 | 伍志勇 | Automatic reset switch system for furniture |
| CN103742016B (en) * | 2014-01-22 | 2016-04-20 | 伍志勇 | The automatic reset switch system of furniture |
| CN103924858A (en) * | 2014-04-09 | 2014-07-16 | 希美克(广州)实业有限公司 | Door closer device with automatic stopping function |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: The inventor has waived the right to be mentioned Inventor before: The inventor has waived the right to be mentioned |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20160511 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |