CN204590919U - A kind of door closer - Google Patents
A kind of door closer Download PDFInfo
- Publication number
- CN204590919U CN204590919U CN201520152666.9U CN201520152666U CN204590919U CN 204590919 U CN204590919 U CN 204590919U CN 201520152666 U CN201520152666 U CN 201520152666U CN 204590919 U CN204590919 U CN 204590919U
- Authority
- CN
- China
- Prior art keywords
- speed
- door closer
- regulating valve
- valve
- piston
- 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
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The utility model discloses a kind of door closer, comprise the door closer main body connected successively, rocking bar, connecting rod and Connection Block, described door closer main body comprises housing, piston, spring, gear, to lock speed-regulating valve, close a speed-regulating valve and return valve, described housing is provided with cavity and oil circuit, described cavity is communicated with described oil circuit, described piston is located at the left side cavity in described housing, the right side cavity of described housing is located at by described spring, described speed-regulating valve of locking, describedly close a speed-regulating valve and described return valve is located on described oil circuit respectively, also comprise general plug sealing ring, described general plug sealing ring to be locked speed-regulating valve described in being located at respectively, describedly close on a speed-regulating valve and described return valve, the utility model, by strict Seal Design, decreases the generation of leakage of oil situation, and then improves the application life of door closer.
Description
Technical field
The utility model belongs to the technical field of door and window hardware, particularly relates to a kind of door closer.
Background technology
Door closer is a hydraulic press for a upper spring-like, and after door is opened, door, by the spring release of compression, is shut, after can ensureing that door is unlocked, is closed to initial position accurately and timely by energy automatically.In the prior art, after door closer uses a period of time, there will be leakage oil condition, have a strong impact on the application life of door closer.
In view of this, the present inventor studies and devises a kind of door closer, and this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of door closer, by strict Seal Design, reduces the generation of leakage of oil situation, and then improves the application life of door closer.
To achieve these goals, the technical scheme in the invention for solving the technical problem is:
A kind of door closer, comprise the door closer main body connected successively, rocking bar, connecting rod and Connection Block, described door closer main body comprises housing, piston, spring, gear, to lock speed-regulating valve, close a speed-regulating valve and return valve, described housing is provided with cavity and oil circuit, described cavity is communicated with described oil circuit, described piston is located at the left side cavity in described housing, the right side cavity of described housing is located at by described spring, described piston is provided with the first one way valve, second one way valve and tooth bar, the two ends of described piston are located at respectively by described first one way valve and the second one way valve, the middle part of described piston is located at by described tooth bar, described gear and described tooth bar engage each other, described speed-regulating valve of locking, describedly close a speed-regulating valve and described return valve is located on described oil circuit respectively, also comprise general plug sealing ring, described general plug sealing ring to be locked speed-regulating valve described in being located at respectively, describedly to close on a speed-regulating valve and described return valve.
As the preferred embodiment of embodiment, described general plug sealing ring comprises capsul and U-shaped spring, and described capsul offers U-shaped annular groove, and described U-shaped spring is arranged on described U-shaped annular groove.
As the preferred embodiment of embodiment, described U-shaped spring comprises the Flat belt of dentation, and the cross section of described Flat belt is U-shaped, and the Flat belt two ends of described dentation are connected to form annulus.
As the preferred embodiment of embodiment, the width of described U-shaped annular groove opening is less than the width of described U-shaped spring opening.
Because a kind of door closer of the utility model takes above-mentioned technical scheme, namely comprise door closer main body, rocking bar, connecting rod and Connection Block, described door closer main body comprises housing, piston, spring, gear, to lock speed-regulating valve, close a speed-regulating valve and return valve, described housing is provided with cavity and oil circuit, and described cavity is communicated with described oil circuit, and described piston is located at the left side cavity in described housing, the right side cavity of described housing is located at by described spring, and described piston is provided with the first one way valve, second one way valve and tooth bar, the two ends of described piston are located at respectively by described first one way valve and the second one way valve, and the middle part of described piston is located at by described tooth bar, and described gear and described tooth bar engage each other, described in lock speed-regulating valve, describedly close a speed-regulating valve and described return valve is located on described oil circuit respectively, also comprise general plug sealing ring, described general plug sealing ring be located at respectively described in lock speed-regulating valve, describedly close on a speed-regulating valve and described return valve, make the utility model relative to traditional O type circle Seal Design, sealing effectiveness is better, effectively can reduce the generation of door closer leakage of oil situation, and then improve the application life of door closer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model door closer main body.
Fig. 3 is the structural representation of the general plug sealing ring of the utility model.
Detailed description of the invention
As shown in Figures 1 and 2, the utility model discloses a kind of door closer, comprise the door closer main body 1 connected successively, rocking bar 2, connecting rod 3 and Connection Block 4, described door closer main body 1 comprises housing 11, piston 12, spring 13, gear 14, to lock speed-regulating valve 15, close a speed-regulating valve 16 and return valve 17, described housing 11 is provided with cavity 111 and oil circuit 112, described cavity 111 is communicated with described oil circuit 112, described piston 12 is located at the left side cavity in described housing 11, the right side cavity of described housing 11 is located at by described spring 13, described piston 12 is provided with the first one way valve 121, second one way valve 122 and tooth bar 123, the two ends of described piston 12 are located at respectively by described first one way valve 121 and the second one way valve 122, the middle part of described piston 12 is located at by described tooth bar 123, described gear 14 engages each other with described tooth bar 123, described speed-regulating valve 15 of locking, describedly close a speed-regulating valve 16 and described return valve 17 is located on described oil circuit 112 respectively, also comprise general plug sealing ring 5, described general plug sealing ring 5 to be locked speed-regulating valve 15 described in being located at respectively, describedly to close on a speed-regulating valve 16 and described return valve 17.
As the preferred embodiment of embodiment, as shown in Figure 3, described general plug sealing ring 5 comprises capsul 51 and U-shaped spring 52, and described capsul 51 offers U-shaped annular groove 511, and described U-shaped spring 52 is arranged on described U-shaped annular groove 511.
As the preferred embodiment of embodiment, described U-shaped spring comprises the Flat belt of dentation, and the cross section of described Flat belt is U-shaped, and the Flat belt two ends of described dentation are connected to form annulus.
As the preferred embodiment of embodiment, the width of described U-shaped annular groove 511 opening is less than the width of described U-shaped spring 52 opening.
When using the utility model structure, door closer main body of the present utility model is arranged on door, Connection Block is arranged on doorframe, because the utility model structure have employed the good general plug sealing ring of sealing effectiveness, even if make the utility model within the use quite a long time, can guarantee that door closer is oil-proof, and then improve the application life of door closer.
The above, be only the utility model preferred embodiment, therefore the scope that the utility model implements can not be limited according to this, the equivalence namely done according to the utility model the scope of the claims and description change with modify, all should still belong in scope that the utility model contains.
Claims (4)
1. a door closer, it is characterized in that: comprise the door closer main body connected successively, rocking bar, connecting rod and Connection Block, described door closer main body comprises housing, piston, spring, gear, to lock speed-regulating valve, close a speed-regulating valve and return valve, described housing is provided with cavity and oil circuit, described cavity is communicated with described oil circuit, described piston is located at the left side cavity in described housing, the right side cavity of described housing is located at by described spring, described piston is provided with the first one way valve, second one way valve and tooth bar, the two ends of described piston are located at respectively by described first one way valve and the second one way valve, the middle part of described piston is located at by described tooth bar, described gear and described tooth bar engage each other, described speed-regulating valve of locking, describedly close a speed-regulating valve and described return valve is located on described oil circuit respectively, also comprise general plug sealing ring, described general plug sealing ring to be locked speed-regulating valve described in being located at respectively, describedly to close on a speed-regulating valve and described return valve.
2. a kind of door closer as claimed in claim 1, is characterized in that: described general plug sealing ring comprises capsul and U-shaped spring, and described capsul offers U-shaped annular groove, and described U-shaped spring is arranged on described U-shaped annular groove.
3. a kind of door closer as claimed in claim 2, it is characterized in that: described U-shaped spring comprises the Flat belt of dentation, the cross section of described Flat belt is U-shaped, and the Flat belt two ends of described dentation are connected to form annulus.
4. a kind of door closer as claimed in claim 2, is characterized in that: the width of described U-shaped annular groove opening is less than the width of described U-shaped spring opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520152666.9U CN204590919U (en) | 2015-03-18 | 2015-03-18 | A kind of door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520152666.9U CN204590919U (en) | 2015-03-18 | 2015-03-18 | A kind of door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204590919U true CN204590919U (en) | 2015-08-26 |
Family
ID=53927084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520152666.9U Expired - Fee Related CN204590919U (en) | 2015-03-18 | 2015-03-18 | A kind of door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204590919U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663728A (en) * | 2020-11-26 | 2021-04-16 | 安徽好诚供水工程有限公司 | Buried fire pump station with access hole capable of being automatically closed |
| CN112681454A (en) * | 2020-11-26 | 2021-04-20 | 安徽好诚供水工程有限公司 | Bottom self-cleaning buried fire pump station |
| CN112681453A (en) * | 2020-11-26 | 2021-04-20 | 安徽好诚供水工程有限公司 | Bury formula integration fire pump station |
| CN113944389A (en) * | 2021-11-10 | 2022-01-18 | 深圳市明安伟业科技有限公司 | Locking anti-theft structure for door closer and use method thereof |
-
2015
- 2015-03-18 CN CN201520152666.9U patent/CN204590919U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663728A (en) * | 2020-11-26 | 2021-04-16 | 安徽好诚供水工程有限公司 | Buried fire pump station with access hole capable of being automatically closed |
| CN112681454A (en) * | 2020-11-26 | 2021-04-20 | 安徽好诚供水工程有限公司 | Bottom self-cleaning buried fire pump station |
| CN112681453A (en) * | 2020-11-26 | 2021-04-20 | 安徽好诚供水工程有限公司 | Bury formula integration fire pump station |
| CN112681454B (en) * | 2020-11-26 | 2022-04-22 | 安徽好诚供水工程有限公司 | Bottom self-cleaning buried fire pump station |
| CN112681453B (en) * | 2020-11-26 | 2022-04-22 | 安徽好诚供水工程有限公司 | Bury formula integration fire pump station |
| CN112663728B (en) * | 2020-11-26 | 2022-04-22 | 安徽好诚供水工程有限公司 | Buried fire pump station with access hole capable of being automatically closed |
| CN113944389A (en) * | 2021-11-10 | 2022-01-18 | 深圳市明安伟业科技有限公司 | Locking anti-theft structure for door closer and use method thereof |
| CN113944389B (en) * | 2021-11-10 | 2024-01-26 | 深圳市明安伟业科技有限公司 | Locking anti-theft structure for door closer and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204590919U (en) | A kind of door closer | |
| AT519858A3 (en) | Lever-lock cylinder | |
| CN103485313A (en) | Fully-enclosed steel dam gate | |
| CN201021682Y (en) | High performance sealing hydraulic pressure lock | |
| CN205277063U (en) | Prevent technique and open lock core | |
| CN203717914U (en) | Semi-floating type side door sealing ring | |
| CN203939847U (en) | A kind of quick-detachable lock with locking functions | |
| CN204754868U (en) | Emergency control valve | |
| CN203395360U (en) | Composite filler sealing structure used for ultrahigh-pressure valve | |
| CN202520211U (en) | Safety door | |
| CN204590925U (en) | A kind of floor spring | |
| CN203335950U (en) | Shock-free swing check valve | |
| CN207963459U (en) | A kind of hermatic door for micro-wave vacuum equipment | |
| CN207905513U (en) | A kind of Door-lock bolt | |
| CN102409924B (en) | Sliding door type safe | |
| CN202971898U (en) | Novel door closer end cap sealing structure | |
| CN208718613U (en) | It is a kind of to seal entirely and partly seal compound ram block | |
| CN204024242U (en) | The automobile-used lock collar composite member of in-flight meal | |
| CN203082225U (en) | Corrosion-resistant quick closing stop valve | |
| CN202970239U (en) | Door closer with door-opening signal output | |
| CN102954241A (en) | Pressure sealing piloted extra high pressure gate valve | |
| CN204213369U (en) | Elasticity valve plate Flap valve | |
| CN204403418U (en) | Sand control plate valve | |
| CN207728961U (en) | Hydraulic forced seal valve seat | |
| CN202326164U (en) | Seepage-prevention packing of screw pump |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20200318 |