CN216866374U

CN216866374U - Door closer with automatic stopping function

Info

Publication number: CN216866374U
Application number: CN202122834715.5U
Authority: CN
Inventors: 钟勇
Original assignee: Shenzhen City Minganweiye Technology Co ltd
Current assignee: Shenzhen City Minganweiye Technology Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-07-01
Anticipated expiration: 2031-11-18

Abstract

The utility model relates to the technical field of door closers, in particular to a door closer with an automatic stop function, which comprises a connecting rod and a hydraulic rod, wherein an infrared sensor is fixedly connected at the front end of the connecting rod, the hydraulic rod is rotatably connected at the rear end of the connecting rod, a gear is fixedly connected at a rotating shaft of the hydraulic rod, a fixed shell is fixedly connected at the front end of the connecting rod, a fixed frame is fixedly connected at the inner side of the fixed shell, a connecting shaft is slidably connected at the inner side of the fixed frame, a moving plate is fixedly connected at the top end of the connecting shaft, a clamping plate is fixedly connected at the bottom end of the connecting shaft, a clamping block is fixedly connected at the bottom end of the clamping plate, when the connecting rod and the hydraulic rod are mutually opened, the infrared sensor senses that a door is pushed open by a person, the clamping block and the gear are clamped together under the action of a controller, so that the hydraulic rod and the connecting rod are prevented from mutually rotating, realize automatic shutdown to guarantee that the door plant also automatic shutdown, the condition that can not appear closing automatically.

Description

Door closer with automatic stopping function

Technical Field

The utility model relates to the technical field of door closers, in particular to a door closer with an automatic stopping function.

Background

The door closer is a spring-like hydraulic device on the door head, when the door is opened, the spring-like hydraulic device can be released after compression, the door is automatically closed, the spring-like door has the effect of ensuring that the door is accurately and timely closed to the initial position after being opened, the modern hydraulic door closer (door closer for short) starts from a patent registered by American people in the early twentieth century, the spring-like hydraulic door closer is different from the traditional door closer and achieves the buffer effect by throttling liquid in the door closer, the core of the design idea of the hydraulic door closer lies in realizing the control of the door closing process, so that various functional indexes of the door closing process can be adjusted according to the needs of people, and the application of the door closer is increasingly wide along with the development of the society, so the demand for the door closer with the automatic stopping function is increasingly increased.

The door closer used in the current market generally only has the function of automatically closing the door, and can be automatically closed if no other barriers block the door after the door is opened, so that people need to frequently manually hold the door plate when going in and out, and the door closer is not beneficial to the use of a user, and the door closer with the automatic stop function is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a door closer with an automatic stop function to solve the above problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a door closer with automatic shutdown function, includes connecting rod and hydraulic stem, the front end fixedly connected with infrared inductor of connecting rod, the rear end of connecting rod rotates and is connected with the hydraulic stem, the pivot department fixedly connected with gear of hydraulic stem, and the gear rotates with the connecting rod to be connected, the front end fixedly connected with set casing of connecting rod, the fixed frame of inboard fixedly connected with of set casing, the inboard sliding connection of fixed frame has the connecting axle, the top fixedly connected with movable plate of connecting axle, and movable plate and fixed frame sliding connection, the bottom fixedly connected with cardboard of connecting axle, the bottom fixedly connected with fixture block of cardboard, the inboard fixedly connected with controller of set casing.

Preferably, the top end of the moving plate is fixedly connected with a second electromagnet, a first electromagnet is arranged above the second electromagnet, and the first electromagnet is fixedly connected with the fixed frame.

Preferably, the top end of the moving plate is fixedly connected with a spring, the spring is fixedly connected with the fixed shell, and the spring is in a stretching state in a natural state.

Preferably, the number of the first electromagnets and the number of the second electromagnets are two, and the first electromagnets and the second electromagnets are same in magnetism after being electrified.

Preferably, the number of the fixture blocks is three, the fixture blocks correspond to tooth grooves of the gear, and the fixture blocks can be clamped with the gear through the tooth grooves.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arrangement of the infrared sensor, the gear, the first electromagnet, the second electromagnet, the spring, the connecting shaft, the clamping plate and the clamping block, when the connecting rod and the hydraulic rod are mutually opened, the infrared sensor senses that a person pushes the door open, and the clamping block and the gear are clamped together under the action of the controller, so that the hydraulic rod and the connecting rod are prevented from mutually rotating, automatic stop is realized, the door plate is also ensured to automatically stop, and the situation of automatic closing is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view illustrating a structure of mounting the gear according to the present invention.

In the figure: the device comprises a connecting rod 1, a hydraulic rod 2, an infrared inductor 3, a fixed shell 4, a gear 5, a fixed frame 6, a first electromagnet 7, a second electromagnet 8, a movable plate 9, a spring 10, a connecting shaft 11, a clamping plate 12, a clamping block 13 and a controller 14.

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. 1-2, the present invention provides a technical solution:

a door closer with an automatic stopping function comprises a connecting rod 1 and a hydraulic rod 2, wherein an infrared sensor 3 is fixedly connected to the front end of the connecting rod 1, the hydraulic rod 2 is rotatably connected to the rear end of the connecting rod 1, a gear 5 is fixedly connected to a rotating shaft of the hydraulic rod 2, the gear 5 is rotatably connected with the connecting rod 1, a fixed shell 4 is fixedly connected to the front end of the connecting rod 1, a fixed frame 6 is fixedly connected to the inner side of the fixed shell 4, a connecting shaft 11 is slidably connected to the inner side of the fixed frame 6, a movable plate 9 is fixedly connected to the top end of the connecting shaft 11, the movable plate 9 is slidably connected with the fixed frame 6, a clamping plate 12 is fixedly connected to the bottom end of the connecting shaft 11, a clamping block 13 is fixedly connected to the bottom end of the clamping plate 12, a controller 14 is fixedly connected to the inner side of the fixed shell 4, and when a user pushes open a door panel, the hydraulic rod 2 and the connecting rod 1 can also relatively rotate, and infrared inductor 3 can be triggered by the user, then infrared inductor 3 transmits the signal to controller 14, controller 14 control first electro-magnet 7 and second electro-magnet 8 circular telegram, make first electro-magnet 7 and second electro-magnet 8 produce the same magnetism, under the repulsion action, make second electro-magnet 8 pass through movable plate 9, connecting axle 11 and cardboard 12 take fixture block 13 and gear 5 card together, thereby prevent gear 5 from rotating at will, guarantee through gear 5 that relative rotation can not take place between hydraulic stem 2 and the connecting rod 1 promptly, thereby realize the automatic shutdown between connecting rod 1 and the hydraulic stem 2, guarantee the automatic shutdown of door plant promptly, do not need manual the holding.

Furthermore, the top end of the moving plate 9 is fixedly connected with a second electromagnet 8, a first electromagnet 7 is arranged above the second electromagnet 8, and the first electromagnet 7 is fixedly connected with the fixed frame 6, so that the moving plate 9 can be driven to move after the first electromagnet 7 and the second electromagnet 8 are electrified.

Furthermore, the top end of the moving plate 9 is fixedly connected with a spring 10, the spring 10 is fixedly connected with the fixed shell 4, and the spring 10 is in a stretching state in a natural state, so that the position of the moving plate 9 can be conveniently adjusted.

Furthermore, the number of the first electromagnets 7 and the number of the second electromagnets 8 are two, and the first electromagnets 7 and the second electromagnets 8 have the same magnetism after being electrified, so that the first electromagnets 7 and the second electromagnets 8 are ensured to repel each other after being electrified.

Furthermore, the number of the fixture blocks 13 is three, and the fixture blocks correspond to tooth grooves of the gear 5, and the fixture blocks 13 can be clamped with the gear 5 through the tooth grooves, so that the fixture blocks 13 can be conveniently clamped with the gear 5.

The working process is as follows: when the utility model is used, power is supplied by an external power supply, firstly, the connecting rod 1 and the hydraulic rod 2 are connected with a door panel and a door frame, when a user pushes the door panel open, the hydraulic rod 2 and the connecting rod 1 can rotate relatively, the infrared sensor 3 can be triggered by the user, then the infrared sensor 3 transmits a signal to the controller 14, the controller 14 controls the first electromagnet 7 and the second electromagnet 8 to be electrified, so that the first electromagnet 7 and the second electromagnet 8 generate the same magnetism, under the repulsion action, the second electromagnet 8 drives the clamping block 13 to be clamped with the gear 5 through the moving plate 9, the connecting shaft 11 and the clamping plate 12, thereby preventing the gear 5 from rotating randomly, namely ensuring that the hydraulic rod 2 and the connecting rod 1 cannot rotate relatively through the gear 5, further realizing the automatic stop between the connecting rod 1 and the hydraulic rod 2, namely ensuring the automatic stop of the door panel, the door closer does not need to be manually held, after a user walks, a signal of the infrared sensor 3 is transmitted to the controller 14, the controller 14 controls the first electromagnet 7 and the second electromagnet 8 to be powered off, the clamping plate 12 is driven to be separated from the gear 5 through the connecting shaft 11 and the clamping plate 12 under the action of the tensile force of the spring 10, and then the door closer can be automatically closed again.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A door closer with an automatic stop function comprises a connecting rod (1) and a hydraulic rod (2), and is characterized in that: the front end of the connecting rod (1) is fixedly connected with an infrared inductor (3), the rear end of the connecting rod (1) is rotatably connected with a hydraulic rod (2), a rotating shaft of the hydraulic rod (2) is fixedly connected with a gear (5), the gear (5) is rotationally connected with the connecting rod (1), the front end of the connecting rod (1) is fixedly connected with a fixed shell (4), the inner side of the fixed shell (4) is fixedly connected with a fixed frame (6), the inner side of the fixed frame (6) is connected with a connecting shaft (11) in a sliding way, the top end of the connecting shaft (11) is fixedly connected with a movable plate (9), the moving plate (9) is connected with the fixed frame (6) in a sliding way, the bottom end of the connecting shaft (11) is fixedly connected with a clamping plate (12), the bottom end of the clamping plate (12) is fixedly connected with a clamping block (13), and the inner side of the fixed shell (4) is fixedly connected with a controller (14).

2. A door closer having an automatic stop function according to claim 1, characterized in that: the top end of the moving plate (9) is fixedly connected with a second electromagnet (8), a first electromagnet (7) is arranged above the second electromagnet (8), and the first electromagnet (7) is fixedly connected with the fixed frame (6).

3. A door closer having an automatic stop function according to claim 1, characterized in that: the top end of the moving plate (9) is fixedly connected with a spring (10), the spring (10) is fixedly connected with the fixed shell (4), and the spring (10) is in a stretching state in a natural state.

4. A door closer having an automatic stop function according to claim 2, wherein: the number of the first electromagnets (7) and the number of the second electromagnets (8) are two, and the magnetism of the first electromagnets (7) is the same as that of the second electromagnets (8) after the first electromagnets are electrified.

5. A door closer having an automatic stop function according to claim 1, characterized in that: the number of the fixture blocks (13) is three, the fixture blocks correspond to tooth grooves of the gear (5), and the fixture blocks (13) can be clamped with the gear (5) through the tooth grooves.