CN202299830U - Plunger connecting device for electro-hydraulic door closer - Google Patents
Plunger connecting device for electro-hydraulic door closer Download PDFInfo
- Publication number
- CN202299830U CN202299830U CN2011203344169U CN201120334416U CN202299830U CN 202299830 U CN202299830 U CN 202299830U CN 2011203344169 U CN2011203344169 U CN 2011203344169U CN 201120334416 U CN201120334416 U CN 201120334416U CN 202299830 U CN202299830 U CN 202299830U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- plunger
- gear
- door closer
- spur rack
- 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 - Lifetime
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Abstract
The utility model relates to a plunger connecting device for an electro-hydraulic door closer. The device comprises a gear box, wherein a rotating shaft arranged on a bearing is arranged in the gear box; the rotating shaft is connected with a hydraulic device and an electric device which drive the rotating shaft to rotate; the hydraulic device is connected to the rotating shaft through a plunger; the inner end of the rotating shaft is fixedly connected with a cylindrical straight tooth; a straight rack meshed with the cylindrical straight tooth is arranged in the vertical direction of the cylindrical straight tooth; the straight rack is connected in the gear box in a sliding mode; and the plunger penetrates through the gear box and is pressed against the end face of the straight rack. The device is reasonable in design, easy to assemble and disassemble and convenient to maintain; and the original cam rotating connection is improved into straight tooth cylindrical tooth connection, so that motion connection between the rotating shaft and the plunger is smoother.
Description
Technical field
The utility model relates to a kind of electric liquid door closer, relates in particular to a kind of plunger linkage of electric liquid door closer.
Background technology
Door closer is the hydraulic press of the last spring-like of door, and hydraulic means is used the most extensive, but the unlatching of the uncontrollable door of hydraulic means, can only be after door to be opened, control gate is closed automatically.If door is stopped, can only on rocking arm, realize this function by mounting and positioning device.Electric device can control gate folding, but can only under the situation that electricity is arranged, work, in case have a power failure then can't work, also can cause door to open or to close.
Specially a kind of door closer of (sharp number is 201010222199.4) of one Chinese patent application is arranged at present; This door closer combines electric device and hydraulic means; Its structure comprises electric device, hydraulic means, and electric device, hydraulic means are connected with rotating shaft (being the axle in the documents) respectively, and this rotating shaft is used to connect the connecting rod on the door; The inner of rotating shaft is fixedly connected with cam, and wherein the plunger front end on the hydraulic means is provided with and the corresponding roller of cam.The rotating band moving cam of rotating shaft rotates, and the rotation through cam promotes plunger, and such kind of drive is unstable, back block easily during actuating cam at plunger, and long-term the use can wear cam.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, and a kind of plunger linkage of electric liquid door closer is provided, and comes the motion between drive shaft and the plunger through the straight-tooth structure that is meshed, and transmission is stable.
The utility model solves the technical scheme that its technical problem adopts: the plunger linkage of this electric liquid door closer; Comprise gear-box; In gear-box, be provided with the rotating shaft that is installed on the bearing, rotating shaft is connected with hydraulic means, the electric device that drives its rotation, and wherein hydraulic means is connected in the rotating shaft through plunger; The inner of rotating shaft is fixedly connected with cylindrical straight gear; And on the vertical direction of cylindrical straight gear, be provided with the spur rack that is meshed with cylindrical straight gear, and spur rack is slidingly connected in the gear-box, and plunger passes gear-box and roof pressure on the end face of spur rack.The rotation of rotating shaft directly drives spur rack and slides, and the spur rack roof pressure also directly promotes plunger motion on plunger.
The cylinder that spur rack is complementary for the end face with plunger.Just in time roof pressure is on the end face of spur rack for plunger, and it is more smooth and easy to make it connect motion.
The effect that the utility model is useful is: the utility model is reasonable in design, original cam rotation is connected be modified into the straight tooth column tooth and connect, and it is more smooth and easy that rotating shaft is connected with motion between the plunger, and installing/dismounting is easy, is convenient to keep in repair.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model;
Fig. 2 is the enlarged diagram of A part among Fig. 1;
Fig. 3 is the front view of the utility model;
Fig. 4 is the sectional view in B-B cross section among Fig. 3.
Description of reference numerals: hydraulic means 1, plunger 1-1, electric device 2, rotating shaft 3, cylindrical straight gear 4, spur rack 5, gear-box 6, bearing 7.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further:
With reference to accompanying drawing: the plunger linkage of this electric liquid door closer; Comprise gear-box 6; In gear-box 6, be provided with the rotating shaft 3 that is installed on the bearing 7, rotating shaft 3 is connected with hydraulic means 1, the electric device 2 that drives its rotation, and wherein hydraulic means 1 is connected in the rotating shaft 3 through plunger 1-1; The inner of rotating shaft 3 is fixedly connected with cylindrical straight gear 4; And on the vertical direction of cylindrical straight gear 4, be provided with the spur rack 5 that is meshed with cylindrical straight gear 4, and spur rack 5 is slidingly connected in the gear-box 6, and plunger 1-1 passes gear-box 6 and roof pressure on the end face of spur rack 5.The cylinder that spur rack 5 is complementary for the end face with plunger 1-1.
When installing and using; Rotating shaft straight-tooth 4 rotates with rotating shaft 3 synchronously; The rotation of rotating shaft straight-tooth 4 drives spur rack 5 and gear-box 6 in, slides, and spur rack 5 direct roof pressure plunger 1-1 inwardly slide, and plunger 1-1 promotion spur rack 5 when back sliding; Spur rack 5 drives rotating shaft 3 and rotates to original direction, realizes closing the door automatically function.
Though the utility model is through illustrating and describe with reference to preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.
Claims (2)
1. the plunger linkage of an electric liquid door closer; Comprise gear-box (6); In gear-box (6), be provided with the rotating shaft (3) that is installed on the bearing (7); Rotating shaft (3) is connected with hydraulic means (1), the electric device (2) that drives its rotation; Wherein hydraulic means (1) is connected in the rotating shaft (3) through plunger (1-1), it is characterized in that: the inner of said rotating shaft (3) is fixedly connected with cylindrical straight gear (4), and on the vertical direction of cylindrical straight gear (4), is provided with the spur rack (5) that is meshed with cylindrical straight gear (4); Spur rack (5) is slidingly connected in the gear-box (6), and said plunger (1-1) passes gear-box (6) and roof pressure on the end face of spur rack (5).
2. the plunger linkage of electric liquid door closer according to claim 1 is characterized in that: the cylinder that said spur rack (5) is complementary for the end face with plunger (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203344169U CN202299830U (en) | 2011-09-07 | 2011-09-07 | Plunger connecting device for electro-hydraulic door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203344169U CN202299830U (en) | 2011-09-07 | 2011-09-07 | Plunger connecting device for electro-hydraulic door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202299830U true CN202299830U (en) | 2012-07-04 |
Family
ID=46368753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203344169U Expired - Lifetime CN202299830U (en) | 2011-09-07 | 2011-09-07 | Plunger connecting device for electro-hydraulic door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202299830U (en) |
-
2011
- 2011-09-07 CN CN2011203344169U patent/CN202299830U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |