CN206245948U - The door check of adjustable rigidity elastic energy storage - Google Patents
The door check of adjustable rigidity elastic energy storage Download PDFInfo
- Publication number
- CN206245948U CN206245948U CN201621361312.6U CN201621361312U CN206245948U CN 206245948 U CN206245948 U CN 206245948U CN 201621361312 U CN201621361312 U CN 201621361312U CN 206245948 U CN206245948 U CN 206245948U
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- Prior art keywords
- door closer
- guide
- guide post
- rack
- shaft
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- Withdrawn - After Issue
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- 238000004146 energy storage Methods 0.000 title claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000008093 supporting effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The utility model provides a kind of door check of adjustable rigidity elastic energy storage, including door closer housing and pole, and sprocket drive spindle and rack gear are set in door closer housing, and the end of gear shaft is stretched out door closer housing and is connected with pole；Rack gear includes the tooth bar and direction transaxle that are engaged with gear shaft；One end of tooth bar is fixed with main lead column, and the free end of main lead column stretches out door closer housing, the main spring in door closer housing is arranged with main lead column；The other end of tooth bar is fixed with back resistance lead column, and resistance spring is arranged with back on resistance lead column is returned；Direction transaxle includes being oriented to column sleeve and diameter less than the transaxle for being oriented to column sleeve internal diameter, and transaxle is fixed with the bottom for being oriented to column sleeve, and pin is inserted with transaxle, and the other end insertion for returning resistance lead column is oriented to column sleeve；The cross recess for blocking pin is provided with the side wall of door closer housing.Noiseless closing the door can be realized using the utility model.
Description
Technical Field
The utility model relates to an automatic door closer technical field, more specifically relates to an automatic door closer of adjustable rigidity elastic energy storage.
Background
In order to reduce the situation of manual door closing, the automatic door closer is mainly applied to places with more people, such as superstores, hospitals, schools and the like. At present, the common automatic door closer is a spring hydraulic door closer which is used for controlled closing of a door system, but the spring hydraulic door closer has the defects of high door closing speed, large collision sound after door closing, unnecessary noise generation and complete failure in reducing the speed and the noise of the door closing once a hydraulic seal of the spring hydraulic door closer is damaged.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing an automatic door closer of adjustable rigidity elasticity energy storage to solve traditional automatic door closer and close the door fast, the big problem of noise of closing the door.
The utility model provides an automatic door closer of adjustable rigidity elasticity energy storage, include: the door closer comprises a door closer shell and a support rod, wherein the door closer shell is arranged on a door, a gear shaft and a rack transmission mechanism are arranged in the door closer shell, two ends of the gear shaft extend out of the door closer shell, and one end of the gear shaft is connected with the support rod; the rack transmission mechanism comprises a rack meshed with the gear shaft, a main guide column, at least two back resistance guide columns and direction conversion shafts with the same number as the back resistance guide columns; one end of the rack along the length direction is fixedly connected with one end of a main guide column, the other end of the main guide column extends out of the door closer shell, and a main spring is sleeved on the main guide column and positioned in the door closer shell; the other end of the rack along the length direction is fixedly connected with a guide block, the guide block is fixedly connected with one end of a back resistance guide post, and a back resistance spring is sleeved on the back resistance guide post; the direction conversion shaft comprises a guide column sleeve with a bottom and a conversion shaft with the diameter smaller than the inner diameter of the guide column sleeve, the conversion shaft is fixedly connected with the bottom of the guide column sleeve, a pin is inserted into the conversion shaft, and the other end of the back resistance guide column is inserted into the guide column sleeve; the side wall of the door closer shell is provided with a cross groove used for clamping the pin, and the rigidity of the return resistance spring is adjusted by the matching of the pin and the cross groove through the direction conversion shaft.
In addition, the number of the return resistance springs is preferably three, and the stiffness coefficient ratio of the three return resistance springs is 1:2: 4.
In addition, the preferable structure is that guide wheels are respectively connected with two sides of the bottom of the rack and two sides of the top of the guide block through guide wheel shafts.
Furthermore, the main guide post, the rack, the guide block and the guide post are preferably of an integral structure.
In addition, it is preferable that the guide post sleeve and the switching shaft are integrally formed.
In addition, it is preferable that the stay is attached to the door frame through a stay base.
In addition, the main guide post, the rack, the guide block and the guide post are preferably of an integral structure.
In addition, it is preferable that the guide post cover and the switching shaft are integrally formed.
Further, it is preferable that the stay is attached to the door frame through a stay base.
Utilize the aforesaid to be according to the utility model discloses an automatic door closer of adjustable rigidity elasticity energy storage through adjusting the rigidity coefficient that the back hinders the spring combination, makes the energy that automatic door closer closed the door just arrive well to realize not having the automation of impact, noiselessness and close the door, can also prolong the life of door and door frame.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:
fig. 1 is a schematic perspective view of an automatic door closer capable of adjusting rigidity and elastic energy storage according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a schematic perspective view of a rack gear according to an embodiment of the present invention;
FIG. 5 is a front view of FIG. 4;
FIG. 6 is a top view of FIG. 4;
fig. 7 is a schematic structural view of a rack according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a direction switching shaft according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a door closer housing according to an embodiment of the present invention.
Wherein the reference numerals include: the door closer comprises a support rod 1, a pin hole 11, a door closer shell 2, a cross groove 21, a gear shaft 3, a rack 4, a main guide column 5, a guide block 6, a return-blocking guide column 7, a direction switching shaft 8, a guide column sleeve 81, a switching shaft 82, a pin 83, a main spring 9, a return-blocking spring 10, a guide wheel shaft 11 and a guide wheel 12.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Because the in-process door that closes the door has that mass inertia is high, close fast characteristics, consequently, the utility model discloses an overall thinking does: before the door reaches the closed position, the deceleration of the door is realized through a mechanical structure, so that the rotational inertia of the door is reduced, the door is automatically stopped when reaching the closed position, the noiseless automatic door closing is realized, the impact of the door on a door frame can be reduced, and the service lives of the door and the door frame are prolonged.
Fig. 1 to 9 show, the utility model provides an automatic door closer of adjustable rigidity elasticity energy storage, include: the door closer comprises a supporting rod 1 and a door closer shell 2, wherein the supporting rod 1 is installed on a door frame through a supporting rod seat, and at least one pin hole 11 is formed in the supporting rod 1 and used for adjusting the moment radius of the supporting rod 1, so that the door closer is convenient to debug and install; the door closer shell 2 is installed on a door, the door closer shell 2 is of a cuboid structure and is provided with a cavity, the cavity is enclosed by a top surface, the ground and four side walls, the four side walls comprise two long arms and two short arms, through holes are respectively formed in the opposite positions of the two long arms and the short arm, and a cross groove 21 is formed in the other short arm.
A gear shaft 3 and a rack transmission mechanism are arranged in the door closer shell 2, two ends of the gear shaft 3 extend out of the door closer shell 2 through two through holes in the long arm, one end, extending out of the door closer shell 2, of the gear shaft 3 is connected with the supporting rod 1, and the gear shaft 3 is driven to rotate through rotation of the supporting rod 1.
The rack transmission mechanism comprises a rack 4, a main guide post 5, at least two back resistance guide posts 7 and direction conversion shafts 8 the number of which is the same as that of the back resistance guide posts 7; the rack 4 is meshed with the gear shaft 3, the rack 4 is driven to move repeatedly by positive rotation or reverse rotation of the gear shaft 3, one end of the rack 3 in the length direction is fixedly connected with one end of the main guide column 5, the other end of the main guide column 5 extends out of the door closer shell 2, a main spring 9 is arranged on the main guide column, one end of the main spring 9 tightly supports the rack 4, the other end tightly supports the door closer shell 2, when the rack 4 moves towards the main spring 9, the main spring 9 is compressed, and the main spring 9 is compressed to store energy; the other end fixedly connected with guide block 6 along length direction of rack 4, the one end of every back resistance guide post 7 respectively with guide block 6 fixed connection, the cover is equipped with back and hinders spring 10 on every back resistance guide post 7.
Guide wheels 12 are respectively connected to two sides of the bottom and two sides of the top of the guide block 6 through guide wheel shafts 11, the guide wheels 12 on the two sides of the bottom of the guide block 6 roll along the bottom surface of the door closer shell 2 to support the rack 4 to do linear motion and reduce friction with the door closer shell 2, and the guide wheels 12 on the two sides of the top of the guide block 6 roll along two long arms of the door closer shell 2 to provide a centering and supporting effect for eccentric stress of the rack 4.
Preferably, the rack 4, the main guide post 5, the guide block 6 and the return resistance guide post 7 are of an integral structure, and form a specially-structured rack.
Each direction switching shaft 8 includes a guide post sleeve 81 having a bottom and a switching shaft 82, the switching shaft 82 is fixedly connected to the bottom of the guide post sleeve 81, and the other end of the return-blocking guide post 7 is inserted into the guide post sleeve 81, and the switching shaft 83 has a diameter smaller than the inner diameter of the guide post sleeve 81 in order that the return-blocking spring 10 moves into the guide post sleeve 81 when the return-blocking spring 10 is stressed, and the bottom of the guide post sleeve 81 functions to support the return-blocking spring 10, thereby restricting the movement of the return-blocking spring 10. The pins 83 are inserted into the switching shaft 82, the pins 83 engage in the cross recesses 21 of the door closer housing 2, the number of the cross recesses 21 is the same as the number of the pins 83, and the end of the switching shaft 82 which is not connected to the guide post sleeve 81 protrudes out of the door closer housing 2.
Preferably, pin 83 is inserted on transfer shaft 82 at a location proximate to guide post sleeve 81.
Preferably, the guide post sleeve 81 and the switching shaft 82 are an integral structure, constituting the direction switching shaft 8.
The cross recess 21 acts as a limit for the direction-changing shaft 8, and the pin 83 on the direction-changing shaft 8 can be locked in the cross recess 21 whenever the direction-changing shaft 8 rotates 90 degrees, and the rotation of the direction-changing shaft 8 drives the return-resisting spring 10 to rotate, thereby adjusting the stiffness of the return-resisting spring 10.
When the rack 4 moves towards the direction of the return resistance spring 10, the return resistance spring 10 is compressed to store energy, and the main spring 9 gradually releases energy to return to the initial state.
In a specific embodiment of the present invention, the number of the back-blocking springs 10 is three, the stiffness coefficient ratio of the three back-blocking springs 10 is 1:2:4, and the stiffness of each back-blocking spring 10 is adjusted by the direction-changing shaft 8, so that the overall stiffness of the back-blocking spring 10 can be combined in eight kinds, i.e. 0-7, thereby adjusting the elastic energy storage after the door is pushed open, so that the energy for closing the door is proper, reducing the impact and noise, and being simple to operate.
Of course, the number of the return springs 10 can be increased or decreased according to the size and the mass of the door, so that the overall stiffness of the return springs 10 can be changed in different combinations to adapt to actual requirements.
The above details describe the structure of the automatic door closer with adjustable rigidity and elastic energy storage provided by the present invention, and the following description describes the operation principle of the automatic door closer with adjustable rigidity and elastic energy storage.
In the process of opening the door, when external force acts on the door, the supporting rod 1 drives the gear shaft 3 to rotate anticlockwise, the gear shaft 3 drives the rack 4 to move towards the direction of the main guide post 5, at the moment, the main spring 9 is compressed to store energy, and the back-blocking guide post 7 of the rack 4 moves in the guide post sleeve 81 of the direction conversion shaft 8.
In the process of closing the door, after the external force is cancelled, the main spring 9 releases the stored elastic potential energy, so as to push the rack 4 to move towards the direction of the back resistance guide post 7 and drive the gear shaft 3 to rotate clockwise, in the process of moving the rack 4, the elastic force of the main spring 9 is gradually reduced, the elastic force of the back resistance spring 10 is gradually increased, the door is accelerated and decelerated firstly in the closing process, the friction force caused by each contact surface is the same as the stress direction of the back resistance spring 10, finally, the speed of the door is zero, at the moment, the total friction force can be reversed and is used for balancing the elastic force generated by the back resistance spring 10, the resultant force is zero, and the door is made to be stationary.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An adjustable rate elastic energy storage door closer comprising: the door closer comprises a door closer shell arranged on a door and a support rod arranged on a door frame; the door closer is characterized in that a gear shaft and a rack transmission mechanism are arranged in the door closer shell, two ends of the gear shaft extend out of the door closer shell, and one end of the gear shaft is connected with the support rod; the rack transmission mechanism comprises a rack meshed with the gear shaft, a main guide column, at least two back resistance guide columns and direction conversion shafts with the same number as the back resistance guide columns; wherein,
one end of the rack along the length direction is fixedly connected with one end of the main guide post, the other end of the main guide post extends out of the door closer shell, and a main spring is sleeved on the main guide post in the door closer shell;
the other end of the rack along the length direction is fixedly connected with a guide block, the guide block is fixedly connected with one end of the back resistance guide post, and a back resistance spring is sleeved on the back resistance guide post;
the direction conversion shaft comprises a guide column sleeve with a bottom and a conversion shaft with a diameter smaller than the inner diameter of the guide column sleeve, the conversion shaft is fixedly connected with the bottom of the guide column sleeve, a pin is inserted into the conversion shaft, and the other end of the back resistance guide column is inserted into the guide column sleeve;
the side wall of the door closer shell is provided with a cross groove used for clamping the pin, and the rigidity of the return resistance spring is adjusted by the direction conversion shaft through the matching of the pin and the cross groove.
2. The automatic door closer of claim 1, wherein the number of the return springs is three, and the ratio of the stiffness coefficients of the three return springs is 1:2: 4.
3. The automatic door closer of adjustable rigidity elastic energy storage according to claim 1 or 2, characterized in that guide wheels are respectively connected with two sides of the bottom of the rack and two sides of the top of the guide block through guide wheel shafts.
4. The adjustable rate spring energy automatic door closer of claim 3 wherein said main guide post, said rack, said guide block and said guide post are of unitary construction.
5. The adjustable rate spring energy automatic door closer of claim 4 wherein said guide post sleeve is integral with said transfer shaft.
6. The adjustable rate elastic energy storage door closer of claim 5 wherein said strut is mounted to said frame by a strut mount.
7. The adjustable rate elastic energy storage door closer of claim 1 or 2, wherein said main guide post, said rack, said guide block and said guide post are of a unitary construction.
8. The adjustable rate spring energy automatic door closer of claim 7 wherein said guide post sleeve is integral with said transfer shaft.
9. The adjustable rate spring energy automatic door closer of claim 8 wherein said guide post sleeve is integral with said transfer shaft.
10. The adjustable rate spring energy automatic door closer of claim 9 wherein said strut is mounted to said door frame by a strut mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621361312.6U CN206245948U (en) | 2016-12-12 | 2016-12-12 | The door check of adjustable rigidity elastic energy storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621361312.6U CN206245948U (en) | 2016-12-12 | 2016-12-12 | The door check of adjustable rigidity elastic energy storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206245948U true CN206245948U (en) | 2017-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621361312.6U Withdrawn - After Issue CN206245948U (en) | 2016-12-12 | 2016-12-12 | The door check of adjustable rigidity elastic energy storage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206245948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761104A (en) * | 2016-12-12 | 2017-05-31 | 重庆科技学院 | The door check of adjustable rigidity elastic energy storage |
-
2016
- 2016-12-12 CN CN201621361312.6U patent/CN206245948U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761104A (en) * | 2016-12-12 | 2017-05-31 | 重庆科技学院 | The door check of adjustable rigidity elastic energy storage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170613 Effective date of abandoning: 20180223 |