CN202990680U - Oil leakage prevention door closer - Google Patents
Oil leakage prevention door closer Download PDFInfo
- Publication number
- CN202990680U CN202990680U CN2012206654528U CN201220665452U CN202990680U CN 202990680 U CN202990680 U CN 202990680U CN 2012206654528 U CN2012206654528 U CN 2012206654528U CN 201220665452 U CN201220665452 U CN 201220665452U CN 202990680 U CN202990680 U CN 202990680U
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- CN
- China
- Prior art keywords
- door closer
- oil
- leakage
- prevention door
- groove
- 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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Abstract
The utility model provides an oil leakage prevention door closer, which comprises a housing, an end cover and a rotary shaft, wherein the end cover comprises a screwing part, a supporting sheet and a thread part; the screwing part and the thread part are arranged at the top and the bottom of the supporting sheet respectively; at least one longitudinal rubber ring is embedded into the inner wall of the end cover; and the rubber ring can be arranged on the inner wall of the screwing part or the thread part. According to the oil leakage prevention door closer, the rubber ring is arranged on the inner wall of the end cover, so that lubricating oil is prevented from flowing out of a gap between the end cover and the rotary shaft; the two end surfaces in the rotary shaft are set to be of a square or triangular structure, so that the phenomenon of oil leakage can be avoided, the damage of the rotary shaft on the end cover after the lubricating oil flows out is prevented, and the service life of the end cover is prolonged; and in addition, a cover body can be made of materials such as iron, pig iron, steel, lead and the like.
Description
Technical field
The utility model relates to door closer field, especially a kind of oil-leakage-prevention door closer.
Background technology
The meaning of door closer not only is the door autoshutdown, can also protect doorframe and door body, the more important thing is, door closer has become a very important operating part of modern architecture intelligent management.
Wherein, whether the quality problems of door closer most critical for leakage of oil, because its internal hydraulic pressure system of door closer relying on fully realizes the control to the process of closing the door, leakage of oil means the inefficacy of hydraulic system, so hydraulic system is to determine the door closer sole criterion in application life.In addition, lubrication oil can increase the friction factor between rotating shaft and end cap after loss, thereby causes the damage of end cap.
Summary of the invention
For the weak point of above-mentioned technology, the utility model provides a kind of oil leakage phenomenon of can stopping to produce, with the oil-leakage-prevention door closer of avoiding end cap to damage.
For achieving the above object, the utility model provides a kind of oil-leakage-prevention door closer, consisted of by housing, end cap and rotating shaft, described end cap consists of by screwing part, supporting spring and threaded portion, the described part that screws is separately positioned on the top and bottom of described supporting spring with described threaded portion, is embedded with the rubber ring of at least one longitudinal arrangement on the inwall of described end cap.
Described rubber ring embeds described screwing in the groove b that the part inner wall surface arranges.
Described rubber ring embeds in the groove b of described threaded portion inner wall surface setting.
The described top that screws part is provided with the section of screwing, and the described section of screwing is the cylinder with a plurality of groove a.
Described groove a is recessed to form to its circle centre position by described cylindrical outer wall.
A plurality of described groove a are symmetrical structure and are arranged on described cylinder.
Also be provided with joint ring between described supporting spring and described threaded portion.
Describedly screw part, described supporting spring and described threaded portion are the integral type structure.
In described rotating shaft, two end faces is shaped as quadrangle or triangular structure.
Compared with prior art, the utlity model has following advantage:
The utility model is flowed out by the gap between end cap and rotating shaft to prevent lubrication oil by being arranged on the rubber ring on the end cap inwall; The shape of two end faces in rotating shaft is set as quadrangle or triangular structure, can stops oil leakage phenomenon and produce, after preventing that lubrication oil runs off, the damage that rotating shaft causes end cap, thereby improve the application life of end cap, in addition, lid can adopt the materials such as iron, the pig iron, steel, lead to make.
Description of drawings
Fig. 1 is structure chart of the present utility model;
Fig. 2 is the lateral view of the end cap of Fig. 1;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the exploded view of end cap and sealing ring in Fig. 2;
Fig. 5 is the longitudinal sectional view of Fig. 2 embodiment;
Fig. 6 is the longitudinal sectional view of another embodiment of Fig. 2.
Main symbol description is as follows:
1-housing 2-end cap 3-rotating shaft
4-screws part 5-supporting spring 6-joint ring
7-threaded portion 8-screws the 9-of section groove a
10-groove b 11-rubber ring
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the utility model provides a kind of oil-leakage-prevention door closer, consisted of with rotating shaft 3 by housing 1, end cap 2, lid can adopt the materials such as iron, the pig iron, steel, lead to make, in rotating shaft, two end faces is shaped as quadrangle or triangular structure, be provided with the through hole that runs through its inside and be used for accommodating roller end in the inside of end cap, end cap consists of by screwing part, supporting spring and threaded portion.Rotating shaft 3 is arranged in the circular hole of housing 1 inside, be provided with multiple internal thread on the end of circular hole, the threaded portion of end cap 2 lower ends matches with the multiple internal thread of circular hole end, thereby be tightened on the end of circular hole, and be set on the end of rotating shaft, to complete the assembling of housing and end cap and rotating shaft.
To shown in Figure 5, this end cap consists of by screwing part 4, supporting spring 5 and threaded portion 7 as Fig. 2, and screwing part, supporting spring and screw thread bearing portions is the integral type structure.Screw the top and bottom that part 4 and threaded portion 7 are separately positioned on supporting spring 5, also be provided with joint ring 6 between supporting spring 5 and threaded portion 7.Wherein, be provided with the section of screwing 8 at the top that screws part 4, this screws section 8 and is the cylinder with a plurality of groove a9, and groove a9 is recessed to form to its circle centre position by cylindrical outer wall, and a plurality of groove a9 are symmetrical structure and are arranged on cylinder.
In the present embodiment, be provided with on the inwall that screws part 4 for the groove b10 that embeds rubber ring 11, rubber ring 11 is arranged in groove b10.
As shown in Figure 6, the difference of this embodiment and above-described embodiment is the position that rubber ring is arranged on the end cap inwall.In the present embodiment, be provided with on the inwall of threaded portion 7 for the groove b10 that embeds rubber ring 11, rubber ring 11 is arranged in groove b10.
The above is only preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. oil-leakage-prevention door closer, by housing, end cap and rotating shaft consist of, described end cap by screw part, supporting spring and threaded portion consist of, the described top and bottom that partly is separately positioned on described supporting spring with described threaded portion that screws, it is characterized in that, be embedded with the rubber ring of at least one longitudinal arrangement on the inwall of described end cap.
2. oil-leakage-prevention door closer according to claim 1, is characterized in that, described rubber ring embeds described screwing in the groove b that the part inner wall surface arranges.
3. oil-leakage-prevention door closer according to claim 1, is characterized in that, described rubber ring embeds in the groove b of described threaded portion inner wall surface setting.
4. oil-leakage-prevention door closer according to claim 2, is characterized in that, the described top that screws part is provided with the section of screwing, and the described section of screwing is the cylinder with a plurality of groove a.
5. oil-leakage-prevention door closer according to claim 4, is characterized in that, described groove a is recessed to form to its circle centre position by described cylindrical outer wall.
6. the oil-leakage-prevention door closer described according to claim 5, is characterized in that, a plurality of described groove a are symmetrical structure and are arranged on described cylinder.
7. the oil-leakage-prevention door closer described according to claim 1, is characterized in that, also is provided with joint ring between described supporting spring and described threaded portion.
8. the oil-leakage-prevention door closer described according to claim 7, is characterized in that, described to screw part, described supporting spring and described threaded portion be the integral type structure.
9. the oil-leakage-prevention door closer described according to claim 1, is characterized in that, in described rotating shaft, two end faces is shaped as quadrangle or triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206654528U CN202990680U (en) | 2012-12-05 | 2012-12-05 | Oil leakage prevention door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206654528U CN202990680U (en) | 2012-12-05 | 2012-12-05 | Oil leakage prevention door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202990680U true CN202990680U (en) | 2013-06-12 |
Family
ID=48561871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206654528U Expired - Fee Related CN202990680U (en) | 2012-12-05 | 2012-12-05 | Oil leakage prevention door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202990680U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968543A (en) * | 2017-03-28 | 2017-07-21 | 丹阳市恩名五金制品有限公司 | A kind of door closer shaft-cup and preparation method thereof |
-
2012
- 2012-12-05 CN CN2012206654528U patent/CN202990680U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968543A (en) * | 2017-03-28 | 2017-07-21 | 丹阳市恩名五金制品有限公司 | A kind of door closer shaft-cup and preparation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20201205 |