CN112431496A

CN112431496A - Hidden adjustable door closer

Info

Publication number: CN112431496A
Application number: CN202011220510.1A
Authority: CN
Inventors: 龚植祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-03-02

Abstract

The invention relates to the technical field related to door closers, and discloses a hidden adjustable door closer, which comprises a door main body, wherein a door closing device is fixedly installed on one side of the top of the inner wall of the door main body, a damping buffer device is fixedly installed on the inner wall of the door closing device, a driving spring is fixedly installed on one side of the damping buffer device, a fixed frame is movably installed on one side of the top of the door main body, an adjusting gear is movably installed at the bottom of a rotating shaft of the fixed frame, and a movable gear meshed with the inner teeth of the adjusting gear is movably installed on the inner wall of the adjusting gear. The driving rope is used for compressing the driving spring in the door closing device, so that the driving rope is fixed with the rope drum in the door opening process, the moment for pushing the door handle is increased, the force required by compressing the driving spring is greatly reduced, the door opening force is further reduced, and the aim of opening the door conveniently is fulfilled finally.

Description

Hidden adjustable door closer

Technical Field

The invention relates to the technical field of door closers, in particular to a hidden adjustable door closer.

Background

The door closer has the significance of not only automatically closing the door, but also protecting the door frame and the door body (smooth closing), and more importantly, the door closer becomes a non-negligible execution part of modern building intelligent management. Door closers are mainly used in commercial and public buildings, but there are also situations in which they are used at home, the most important of which is to have the door close by itself.

The working principle of the existing door closer mainly comprises the following steps: when the door is opened, the door body drives the connecting rod to act, the transmission gear is rotated, and the rack plunger is driven to move towards the right. During the rightward movement of the plunger, the spring is compressed, and the hydraulic oil in the right chamber is also compressed. The check valve ball on the left side of the plunger is opened under the action of oil pressure, and hydraulic oil in the right cavity flows into the left cavity through the check valve. After the door is opened, the spring is compressed during the opening process, so that the accumulated elastic potential energy is released, the plunger is pushed to the left side, the transmission gear and the door closer connecting rod are driven to rotate, and the door is closed.

However, in the actual use process, in order to ensure that the door closer has enough driving force to pull back the door, the compression amount of the spring of the door closer can be increased, and further energy loss caused in the rotating process of the door closer is offset.

In addition, the existing door closer is installed at the top of the door and is positioned at the outer side of the door, so that not only is the service life of the door closer increased due to corrosion of the external environment to the door closer at any time, but also the moving area of the door required in the opening and closing process is increased due to the door closer installed to the outside, and further the moving area of the door in the using process is increased, and the door closer installed to the outside cannot avoid violent forcible disassembly of some people, so that the safety performance of the installation of the door closer is greatly reduced.

Meanwhile, after the existing door closer is installed on a door, only the function of closing the door at any time is performed, so that when dangers occur in some houses and the like, the door closer can be closed continuously, people or objects are required to block the door, the door closer cannot close the door, and therefore when an emergency situation occurs, the door closer cannot be ensured to be in a normally open state constantly, and therefore dangerousness is greatly increased when people escape and take refuge.

Disclosure of Invention

Aiming at the defects of the existing door closer in the use process in the background technology, the invention provides a hidden adjustable door closer which has the advantages of light door opening, device hiding and free initial position exchange, and solves the technical problems in the background technology.

The invention provides the following technical scheme: a hidden adjustable door closer comprises a door main body, wherein a door closing device is fixedly installed on one side of the top of the inner wall of the door main body, a damping buffer device is fixedly installed on the inner wall of the door closing device, a driving spring is fixedly installed on one side of the damping buffer device, a fixed frame is movably installed on one side of the top of the door main body, an adjusting gear is movably installed at the bottom of a rotating shaft of the fixed frame, a movable gear meshed with the inner teeth of the adjusting gear is movably installed on the inner wall of the adjusting gear, the rotating shaft of the movable gear is movably installed on the inner wall of the door main body, a rope drum is fixedly installed at the bottom of the rotating shaft of the movable gear, a driving block fixedly installed with the driving spring is fixedly installed on the inner wall of the door closing device, a driving rope is fixedly installed on the surface of the driving block, and the lateral wall movable mounting of locking pole has the locking spring, the inner wall movable mounting of locking spring and mount, the one end movable mounting of locking pole has the regulation stay cord.

Preferably, a sealing tube located in the inner cavity of the driving spring is fixedly installed on one side of the driving block, the sealing tube and one side of the door closing device are fixedly installed, and the driving rope is located in the inner cavity of the sealing tube.

Preferably, the top of the locking rod is conical, and the conical shape of the top of the locking rod is matched with the tooth-shaped interval of the adjusting gear.

Preferably, the adjusting gear is in the shape of a gear, and an inner tooth socket for relative movement of the movable gear is formed in the inner wall of the adjusting gear.

The invention has the following beneficial effects:

1. the driving rope is used for compressing the driving spring in the door closing device, so that the driving rope is fixed with the rope drum in the door opening process, the moment for pushing the door handle is increased, the force required by compressing the driving spring is greatly reduced, the door opening force is further reduced, and the aim of opening the door conveniently is fulfilled finally.

2. The door closing device can be arranged in the inner cavity of the door main body, and the driving rope pulls the driving spring to compress, so that the force required by the door closing device when the door is opened can be reduced, meanwhile, the door main body is arranged in the inner cavity of the door main body, so that a good working environment can be provided for the door closing device, the phenomenon of manual violent forcible disassembly is prevented, and the aim of hiding the door closing device is finally fulfilled.

3. The rope drum and the movable gear are coaxially and fixedly installed and are internally meshed with the adjusting gear through the movable gear, so that when the door body is opened, the movable gear rotates on the inner wall of the adjusting gear, the rope drum can be opposite to the rotating direction of the door body, the contraction efficiency of the driving rope is further enhanced, meanwhile, the initial position of the door body after being closed can be changed by controlling the initial position of the adjusting gear, and therefore, in some occasions needing to continuously open the door body, the door body can be automatically opened by setting the opening of the door body to be in the initial state, and when the door body is closed by external force, the purpose of freely changing the initial position is finally achieved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic partial cross-sectional view of the inventive structure;

FIG. 3 is a schematic view of a structural locking bar of the present invention;

fig. 4 is a schematic view of the structure of the movable gear of the invention.

In the figure: 1. a door main body; 2. a door closing device; 3. a damping buffer device; 4. a drive spring; 5. a fixed mount; 6. an adjusting gear; 7. a movable gear; 8. a rope drum; 9. a drive block; 10. a drive rope; 100. a sealing tube; 11. a locking lever; 12. locking the spring; 13. the pull rope is adjusted.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a hidden adjustable door closer includes a door main body 1, a door closer 2 is fixedly installed on one side of the top of the inner wall of the door main body 1, a damping buffer device 3 is fixedly installed on the inner wall of the door closer 2, a driving spring 4 is fixedly installed on one side of the damping buffer device 3, a fixed frame 5 is movably installed on one side of the top of the door main body 1, an adjusting gear 6 is movably installed at the bottom of a rotating shaft of the fixed frame 5, a movable gear 7 engaged with the inner teeth of the adjusting gear 6 is movably installed on the inner wall of the adjusting gear 6, a rotating shaft of the movable gear 7 is movably installed on the inner wall of the door main body 1, a rope barrel 8 is fixedly installed at the bottom of the rotating shaft of the movable gear 7, a driving block 9 fixedly installed on the inner wall of the door closer 2 and the driving spring 4, a driving rope 10 is fixedly, the side wall of the fixed frame 5 is movably provided with a dead lock rod 11, the side wall of the dead lock rod 11 is movably provided with a dead lock spring 12, the dead lock spring 12 is movably arranged with the inner wall of the fixed frame 5, one end of the dead lock rod 11 is movably provided with an adjusting pull rope 13, in order to achieve the purpose of opening the door lightly, the driving spring 4 in the door closing device 2 is compressed by pulling the driving rope 10, meanwhile, the driving rope 10 is arranged on the rope drum 8, simultaneously, the movable gear 7 can be meshed with the inner teeth of the adjusting gear 6, therefore, in the process of opening the door, the door is opened by pushing the door main body 1, because the force arm of stress when the door main body 1 is opened is longer, the force which needs to overcome the compression of the driving spring 4 is greatly reduced, thereby being more convenient for some children, old people and the like to push the door, and meanwhile, in the process of opening the door main body 1 through the movable gear 7, can rotate in the internal teeth of the movable gear 7, so that the movable gear 7 can drive the rope drum 8 to rotate, the rope drum 8 can increase the compression efficiency of the driving spring 4, the driving spring 4 is ensured to have enough power to close the door main body 1, and finally the aim of opening the door conveniently is achieved,

meanwhile, in the application, because the door closing device 2 is fixed to the top of the inner wall of the door main body 1, the occupied space of the door closing device 2 can be greatly reduced in the installation process, meanwhile, the door closing device 2 arranged in the door main body 1 can be better protected, the door closing device can be prevented from being blown by wind and rain from the outside, meanwhile, the aim of manual violent dismantling can be prevented, and the aim of hiding equipment is finally achieved.

Wherein, one side of the driving block 9 is fixedly provided with a sealing tube 100 which is positioned in the inner cavity of the driving spring 4, the sealing tube 100 is fixedly arranged with one side of the door closing device 2, the driving rope 10 is positioned in the inner cavity of the sealing tube 100, in order to prevent the oil liquid in the door closing device 2 from being pulled out due to the frequent stretching of the driving rope 10, the sealing tube 100 is arranged outside the driving rope 10, and then the driving rope 10 can be continuously wrapped by the sealing tube 100, thereby preventing the phenomenon of oil leakage of the door closing device 2 caused by the pulling out of the driving rope 10.

Wherein, the top of the locking rod 11 is cone-shaped, and the cone-shaped top of the locking rod 11 is adapted to the tooth-shaped space of the adjusting gear 6, in order to achieve the purpose of freely changing the initial position, therefore, the side wall of the fixing frame 5 is provided with the locking rod 11, and further the fixed relation between the adjusting gear 6 and the fixing frame 5 can be controlled by the locking rod 11, meanwhile, under the state that the door body 1 is normally opened, the adjusting gear 6 is locked by the locking rod 11, so that the door body 1 can pull the driving rope 10 by the rope drum 8 in the process of closing the door, thereby ensuring that the driving spring 4 can be compressed, realizing the effect of automatically closing the door, and after the locking rod 11 is separated from the adjusting gear 6, when pushing the door body 1, the movable gear 7 can synchronously rotate by driving the adjusting gear 6, at this time, the rope drum 8 can not wind up the driving rope 10, and after door main part 1 activity to suitable position afterwards, will adjust gear 6 dead lock through locking pole 11 to can realize the changeable phenomenon of initial position of door main part 1, and then under dangerous circumstances such as some conflagrations, the accessible sets up its door main part 1 to open state, therefore can guarantee the biggest personnel and dredge the flux, finally reaches the purpose that can free change initial position.

Wherein, the appearance of adjusting gear 6 is the gear, and adjusting gear 6's inner wall has seted up loose gear 7 relative motion's interior tooth's socket, in order to make adjusting gear 6 under fixed state, its loose gear 7 rotates at adjusting gear 6 inner chamber rotation through door main part 1, therefore the inner wall through its loose gear 7 is equipped with interior tooth's socket, and make adjusting gear 6 accessible door main part 1's rotation realize the rotation on adjusting gear 6 through interior tooth's socket, and, its loose gear 7 pivoted in-process can drive rope section of thick bamboo 8 and carry out synchronous rotation, and simultaneously, the rotation direction of its loose gear 7 is opposite with the rotation direction of door main part 1, therefore guaranteed that rope section of thick bamboo 8 can be quick carries out the rolling with its drive rope 10.

The using method of the invention has the following working principle: firstly, fixing a fixing frame 5 of the door to be installed on a wall body of a main body 1 of the door to be installed;

and (4) normal operation: the manual intervention is not direct, at this time, the locking rod 11 is affected by the elastic force of the locking spring 12 to lock the adjusting gear 6, then, the door body 1 is pushed or pulled manually to rotate around the axis of the fixed frame 5, and in the process of rotation, the movable gear 7 rotates in the adjusting gear 6 in the direction opposite to the rotation direction of the door body 1, so that the movable gear 7 drives the rope drum 8 to rotate and the door body 1 rotates relative to the position of the rope drum 8, so that the rope drum 8 can contract the driving rope 10, the driving rope 10 compresses the driving spring 4 through the driving block 9 until the door body 1 is opened to a proper position, then, the damping buffer device 3 can be slowly recovered under the action of the driving spring 4 through manual departure, so that the driving spring 4 is slowly recovered, and then, when the door body 1 is closed, the movable gear 7 rotates reversely in the inner cavity of the adjusting gear 6, so that the rope drum 8 rotates reversely, the driving rope 10 extends out until the driving spring 4 is not compressed, and the door is at the initial position.

Adjusting the initial position: when the door body 1 needs to be adjusted to be normally opened in emergency situations such as fire, only the adjusting pull rope 13 needs to be pulled, so that the dead locking rod 11 can compress the dead locking spring 12 through the adjusting pull rope 13, meanwhile, the dead locking spring 12 can also be separated from the adjusting gear 6, further, when the door is pushed, the rope drum 8 and the adjusting gear 6 can rotate synchronously along the direction of the door body 1, after the door body 1 rotates to a proper position, the adjusting pull rope 13 is loosened to enable the dead locking rod 11 to continuously push the adjusting gear 6 under the elastic force action of the dead locking spring 12, at the moment, the initial position of the door body 1 is changed, and then, after the door body 1 is closed by external force, the door body 1 can be automatically opened according to the operation steps.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hidden adjustable door closer, includes door main part (1), inner wall top one side fixed mounting of door main part (1) has door closer (2), and the inner wall fixed mounting of door closer (2) has damping buffer (3), one side fixed mounting of damping buffer (3) has driving spring (4), its characterized in that: the door is characterized in that a fixing frame (5) is movably mounted on one side of the top of the door main body (1), an adjusting gear (6) is movably mounted at the bottom of a rotating shaft of the fixing frame (5), a movable gear (7) meshed with inner teeth of the adjusting gear (6) is movably mounted on the inner wall of the adjusting gear (6), the rotating shaft of the movable gear (7) is movably mounted on the inner wall of the door main body (1), a rope drum (8) is fixedly mounted at the bottom of the rotating shaft of the movable gear (7), a driving block (9) fixedly mounted with a driving spring (4) is fixedly mounted on the inner wall of the door closing device (2), a driving rope (10) is fixedly mounted on the surface of the driving block (9), the driving rope (10) is fixedly mounted on the rope drum (8), a locking rod (11) is movably mounted on the side wall of the fixing frame (5), and a locking spring (12) is movably, the locking spring (12) is movably mounted on the inner wall of the fixing frame (5), and an adjusting pull rope (13) is movably mounted at one end of the locking rod (11).

2. The concealed adjustable door closer of claim 1, wherein: one side fixed mounting of drive block (9) has sealed tube (100) that is located drive spring (4) inner chamber, and sealed tube (100) and one side fixed mounting of closing door device (2), drive rope (10) are located the inner chamber of sealed tube (100).

3. The concealed adjustable door closer of claim 1, wherein: the top of the locking rod (11) is conical, and the conical shape of the top of the locking rod (11) is matched with the tooth-shaped interval of the adjusting gear (6).

4. The concealed adjustable door closer of claim 1, wherein: the adjusting gear (6) is in the shape of a gear, and the inner wall of the adjusting gear (6) is provided with an inner tooth socket for relative movement of the movable gear (7).