CN106968543A - A kind of door closer shaft-cup and preparation method thereof - Google Patents
A kind of door closer shaft-cup and preparation method thereof Download PDFInfo
- Publication number
- CN106968543A CN106968543A CN201710192203.9A CN201710192203A CN106968543A CN 106968543 A CN106968543 A CN 106968543A CN 201710192203 A CN201710192203 A CN 201710192203A CN 106968543 A CN106968543 A CN 106968543A
- Authority
- CN
- China
- Prior art keywords
- cup
- shaft
- door closer
- gland
- closer shaft
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
- E05F3/227—Additional arrangements for closers, e.g. for holding the wing in opened or other position mounted at the top of wings, e.g. details related to closer housings, covers, end caps or rails therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Electroplating Methods And Accessories (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses a kind of door closer shaft-cup and preparation method thereof, belong to mechanical five metals field of components.A kind of door closer shaft-cup of the present invention, including gland and the nut head on gland, the bottom of described gland, which is provided with external screw thread, described gland and nut head to run through, is provided with axis hole, and described gland, nut head and axis hole is using the integral forging molding of steel.The invention also discloses a kind of preparation method of door closer shaft-cup.The present invention overcomes existing door closer shaft-cup use allumen die casting system for a long time and causes the problem of service life is low, door closer shaft-cup uses steel forging molding, the hardness of shaft-cup is more preferable and durable, and cost-effective while, manufacturing process is eased.
Description
Technical field
The present invention relates to a kind of door closer parts, more specifically to a kind of door closer shaft-cup and preparation method thereof.
Background technology
Door closer is a hydraulic press for a upper spring-like, when door unlatching after can by compression after discharge, by door from
It is dynamic to shut, it is ensured that after door is unlocked, accurately, timely close and arrive initial position.The operation principle of door closer is：Work as enabling
When, the action of door body drivening rod, and the driving gearshaft in door closer is rotated, driving rack plunger movement, in plunger movement
During spring compressed, the hydraulic oil in door closer is also pressurized.Unidirectional valve sphere on the left of plunger is in the presence of oil pressure
Open, the hydraulic oil in right chamber is flowed in left chamber through check valve.After the completion of door opening process, due to spring in opening process by
To compression, the elastic potential energy put aside is released, plunger is pushed away toward left side, band nutating gear and door closer link rotatable, makes
Door is closed.
Door closer is used much on fire resistant doorsets, and the working frequency of door closer is also very high.It is known that door closer passes through
Connecting rod is connected with door, in the course of the work, and connecting rod drives the gear shaft of door closer to rotate, and gear shaft is by installed in door closer
What the shaft-cup on housing was installed, gear shaft is engaged with the axis hole of shaft-cup.At present, door closer shaft-cup uses allumen die casting
Manufacture, the door closer shaft-cup of this allumen is softer, it is easy to the gear shaft abrasion frequently rotated, so as to cause gear shaft
Increase with the shaft hole matching gap of shaft-cup, cause door closer transmission to produce unstable or even damage, be often accompanied by switch gate
Harsh noise.It can be seen that, the service life of existing door closer shaft-cup is very low, so that cause door closer whole service life to decline,
Although existing door closer shaft-cup has drawbacks described above, for a long time, those skilled in the art are because of existing door closer shaft cover structure
The reason for shape is designed, still makes door closer shaft-cup by the way of allumen die casting.Therefore, it is necessary to be closed to existing
Door device shaft-cup is improved, to improve the service life of door closer.
The content of the invention
1. the invention technical problem to be solved
Cause it is an object of the invention to overcome existing door closer shaft-cup use allumen die casting system for a long time
The low deficiency of service life is there is provided a kind of door closer shaft-cup and preparation method thereof, using technical scheme, door closer axle
Lid uses steel forging molding, and the hardness of shaft-cup is more preferable and durable, and cost-effective while, manufacturing process is more
Simply.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the present invention is provided is：
A kind of door closer shaft-cup of the present invention, including gland and the nut head on gland, the bottom of described gland
Provided with external screw thread, run through on described gland and nut head and be provided with axis hole, described gland, nut head and axis hole uses steel one
Body forging molding.
Further, it is additionally provided with zinc coat on the outer surface of the shaft-cup.
Further, described nut head is outer-hexagonal nut structure.
Further, described pressure upper part of the cover external diameter is more than externally threaded diameter.
Further, described steel are Q235 steel.
A kind of preparation method of above-mentioned door closer shaft-cup of the present invention, comprises the following steps：
(a) steel are directly used into cold headers upsetting into the shaft-cup blank of general shape and size after high-temperature process；
(b) deep processing is carried out to shaft-cup blank with numerically controlled lathe or small size lathe, until reaching qualified size；
(c) shaft-cup of qualified size is placed on the screw thread that machine-shaping shaft is covered on screw-rolling machine.
Further, in step (a), the temperature of steel high-temperature process is 700 DEG C~1000 DEG C.
Further, after step (c), shaft-cup is carried out using electroplating technology zinc-plated.
3. beneficial effect
The technical scheme provided using the present invention, compared with existing known technology, with following remarkable result：
(1) passed through in a kind of door closer shaft-cup of the invention, its gland and the nut head on gland, gland and nut head
Be equipped with axis hole, the bottom of gland is provided with external screw thread, and the door closer shaft cover structure is simple, it is easy to forging molding, by by gland,
Nut head and axis hole are using the integral forging molding of steel, and the hardness of shaft-cup is more preferable and durable, and with allumen die casting
Shaft-cup is compared, cost-effective while, and manufacturing process is eased；
(2) zinc coat is additionally provided with a kind of door closer shaft-cup of the invention, the outer surface of its shaft-cup, surface-brightening is prevented
Get rusty；
(3) preparation method of a kind of door closer shaft-cup of the invention, it uses cold headers by steel upsetting into shaft-cup blank, then
Deep processing, and the screw thread that machine-shaping shaft is covered on screw-rolling machine are carried out to shaft-cup blank with numerically controlled lathe or small size lathe,
Without the high die casting equipment of price, the cost of manufacture of door closer shaft-cup, and the simpler convenience of the preparation method are reduced.
Brief description of the drawings
Fig. 1 is a kind of structural representation of door closer shaft-cup of the present invention.
Label declaration in schematic diagram：
1st, gland；2nd, nut head；3rd, external screw thread；4th, axis hole.
Embodiment
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
With reference to shown in Fig. 1, a kind of door closer shaft-cup of the present embodiment, including gland 1 and the nut head 2 on gland 1,
The bottom of gland 1, which is provided with external screw thread 3, gland 1 and nut head 2 to run through, is provided with axis hole 4, and gland 1 is used to match somebody with somebody with door closer housing
Close, and be fixedly connected by external screw thread 3 with door closer housing, nut head 2 is used to utilize the instruments such as spanner by shaft-cup and door closer
Housing is tightened or dismantled, and axis hole 4 is used to be engaged with the gear shaft in door closer.Gland 1, nut head 2 and axis hole 4 use steel
Integral forging molding.The door closer shaft-cup, it is simple in construction, it is easy to forging molding, by the way that gland 1, nut head 2 and axis hole 4 are adopted
With the integral forging molding of steel, the hardness of shaft-cup is more preferable and durable, and compared with allumen die casting shaft-cup, door closer
The material of shaft-cup has very big breakthrough, cost-effective while, and manufacturing process is eased.
Above-mentioned nut head 2 is outer-hexagonal nut structure, is easy to forging molding and follow-up finishing；On above-mentioned gland 1
The external diameter in portion is more than the diameter of external screw thread 3, contributes to shaft-cup and door closer housing seal, more attractive in appearance after assembling.Above-mentioned steel
Material is Q235 steel, it is easy to forging molding.Zinc coat is additionally provided with the corrosion resistance of shaft-cup, the outer surface of the shaft-cup in order to improve,
Surface-brightening, prevents from getting rusty.
Based on the structure of above-mentioned shaft-cup, a kind of preparation method of door closer shaft-cup of the present embodiment comprises the following steps：
(a) steel are directly used into cold headers upsetting into the shaft-cup blank of general shape and size after high-temperature process；Specifically
Ground, steel use Q235 steel common wires, and the temperature of steel high-temperature process is 700 DEG C~1000 DEG C；
(b) deep processing is carried out to shaft-cup blank with numerically controlled lathe or small size lathe, until reaching qualified size；
(c) shaft-cup of qualified size is placed on the screw thread that machine-shaping shaft is covered on screw-rolling machine.
After step (c), shaft-cup is carried out using electroplating technology zinc-plated.
A kind of preparation method of the door closer shaft-cup of the present embodiment, it uses cold headers by steel upsetting into shaft-cup blank, then
Deep processing, and the screw thread that machine-shaping shaft is covered on screw-rolling machine are carried out to shaft-cup blank with numerically controlled lathe or small size lathe,
Without the high die casting equipment of price, the cost of manufacture of door closer shaft-cup, and the simpler convenience of the preparation method are reduced.
A kind of door closer shaft-cup and preparation method thereof of the present invention, overcome for a long time existing door closer shaft-cup use zinc
Aluminium alloy compression casting system and cause the problem of service life is low, door closer shaft-cup uses steel forging molding, and the hardness of shaft-cup is more preferable
And it is durable, and cost-effective while, manufacturing process is eased.
Schematically the present invention and embodiments thereof are described above, the description does not have restricted, institute in accompanying drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel are enlightened by it, without departing from the spirit of the invention, without creatively designing and the technical scheme
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (8)
1. a kind of door closer shaft-cup, it is characterised in that：Nut head (2) including gland (1) and on gland (1), it is described
The bottom of gland (1), which is provided with to run through on external screw thread (3), described gland (1) and nut head (2), is provided with axis hole (4), described pressure
Cover (1), nut head (2) and axis hole (4) and use the integral forging molding of steel.
2. a kind of door closer shaft-cup according to claim 1, it is characterised in that：It is additionally provided with the outer surface of the shaft-cup zinc-plated
Layer.
3. a kind of door closer shaft-cup according to claim 2, it is characterised in that：Described nut head (2) is outer-hexagonal spiral shell
Parent structure.
4. a kind of door closer shaft-cup according to claim 3, it is characterised in that：The external diameter on described gland (1) top is big
Diameter in external screw thread (3).
5. a kind of door closer shaft-cup according to Claims 1-4 any one, it is characterised in that：Described steel are
Q235 steel.
6. the preparation method of the door closer shaft-cup described in a kind of claim 1 to 5 any one, it is characterised in that including following
Step：
(a) steel are directly used into cold headers upsetting into the shaft-cup blank of general shape and size after high-temperature process；
(b) deep processing is carried out to shaft-cup blank with numerically controlled lathe or small size lathe, until reaching qualified size；
(c) shaft-cup of qualified size is placed on the screw thread that machine-shaping shaft is covered on screw-rolling machine.
7. a kind of preparation method of door closer shaft-cup according to claim 6, it is characterised in that：In step (a), steel
The temperature of high-temperature process is 700 DEG C~1000 DEG C.
8. a kind of preparation method of door closer shaft-cup according to claim 6, it is characterised in that：After step (c), profit
Shaft-cup is carried out with electroplating technology zinc-plated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192203.9A CN106968543A (en) | 2017-03-28 | 2017-03-28 | A kind of door closer shaft-cup and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192203.9A CN106968543A (en) | 2017-03-28 | 2017-03-28 | A kind of door closer shaft-cup and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106968543A true CN106968543A (en) | 2017-07-21 |
Family
ID=59335727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710192203.9A Pending CN106968543A (en) | 2017-03-28 | 2017-03-28 | A kind of door closer shaft-cup and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106968543A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230432A (en) * | 2020-02-24 | 2020-06-05 | 瑞安市乐舟紧固件有限公司 | Cold heading processing method for water gap plug of heat exchanger |
Citations (9)
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|---|---|---|---|---|
| CN1680678A (en) * | 2004-04-09 | 2005-10-12 | 黄潭城 | Door closing device |
| CN1804353A (en) * | 2006-01-23 | 2006-07-19 | 伦振荣 | Novel door closer tail cap made of steel plate |
| CN101624889A (en) * | 2008-07-08 | 2010-01-13 | 台湾福兴工业股份有限公司 | Door closer |
| CN202990680U (en) * | 2012-12-05 | 2013-06-12 | 黄永聪 | Oil leakage prevention door closer |
| CN203081244U (en) * | 2013-01-15 | 2013-07-24 | 瑞安市华东锻造有限公司 | Connection rod for door closer |
| CN103861976A (en) * | 2012-12-10 | 2014-06-18 | 多玛两合有限公司 | Method for manufacturing of ring-shaped operation element of door actuator for actuation of door |
| EP2761117A1 (en) * | 2011-09-27 | 2014-08-06 | Dorma GmbH&Co. Kg | Door actuating device and method for producing a cover for a door actuating device |
| CN104191187A (en) * | 2014-09-24 | 2014-12-10 | 浙江佑安高科消防系统有限公司 | Energy-saving and high-efficiency processing method for gear shaft of door closer |
| CN204252715U (en) * | 2014-09-28 | 2015-04-08 | 周晓明 | Door closer |
-
2017
- 2017-03-28 CN CN201710192203.9A patent/CN106968543A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1680678A (en) * | 2004-04-09 | 2005-10-12 | 黄潭城 | Door closing device |
| CN1804353A (en) * | 2006-01-23 | 2006-07-19 | 伦振荣 | Novel door closer tail cap made of steel plate |
| CN101624889A (en) * | 2008-07-08 | 2010-01-13 | 台湾福兴工业股份有限公司 | Door closer |
| EP2761117A1 (en) * | 2011-09-27 | 2014-08-06 | Dorma GmbH&Co. Kg | Door actuating device and method for producing a cover for a door actuating device |
| CN202990680U (en) * | 2012-12-05 | 2013-06-12 | 黄永聪 | Oil leakage prevention door closer |
| CN103861976A (en) * | 2012-12-10 | 2014-06-18 | 多玛两合有限公司 | Method for manufacturing of ring-shaped operation element of door actuator for actuation of door |
| CN203081244U (en) * | 2013-01-15 | 2013-07-24 | 瑞安市华东锻造有限公司 | Connection rod for door closer |
| CN104191187A (en) * | 2014-09-24 | 2014-12-10 | 浙江佑安高科消防系统有限公司 | Energy-saving and high-efficiency processing method for gear shaft of door closer |
| CN204252715U (en) * | 2014-09-28 | 2015-04-08 | 周晓明 | Door closer |
Non-Patent Citations (2)
| Title |
|---|
| 李新华: "《钢铁制件热浸镀与渗镀》", 31 January 2009, 北京：化学工业出版社 * |
| 美国金属学会: "《金属手册-成型和锻造》", 31 May 1994, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230432A (en) * | 2020-02-24 | 2020-06-05 | 瑞安市乐舟紧固件有限公司 | Cold heading processing method for water gap plug of heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170721 |
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| RJ01 | Rejection of invention patent application after publication |