CN213573543U

CN213573543U - Door closer for security door

Info

Publication number: CN213573543U
Application number: CN202021321060.0U
Authority: CN
Inventors: 朱邦胜
Original assignee: Nanjing Yiju Home Technology Co Ltd
Current assignee: Nanjing Yiju Home Technology Co Ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-06-29
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a door closer for burglary-resisting door relates to door closer technical field, installs in the door body outside for solving current door closer main part and leads to the relatively poor problem of aesthetic property and protection nature. The utility model discloses a mounting panel, including mounting panel, rocking arm, buffer mechanism, and mounting panel, the both sides of mounting panel lower extreme all are provided with the supporting seat, and supporting seat and mounting panel welded fastening, welded fastening has the main part between the supporting seat, the internally mounted of main part has the gear post, and the gear post extends to the upper end of mounting panel, the rocking arm is installed to the upper end of mounting panel, the both sides of rocking arm are provided with first support arm and second support arm respectively, the guide rail is installed to the upper end of rocking arm one side, the internally mounted of guide rail has the slider, and slider and guide rail sliding connection, buffer mechanism is all installed.

Description

Door closer for security door

Technical Field

The utility model relates to a door closer technical field specifically is a door closer for burglary-resisting door.

Background

The door closer is a hydraulic press similar to a spring on the door head, can be released after being compressed after the door is opened, automatically closes the door, has the effect similar to a spring door, can ensure that the door is accurately and timely closed to an initial position after being opened, has the significance of not only automatically closing the door, but also protecting a door frame and a door body (stably closed), and more importantly, becomes a non-negligible execution part of modern building intelligent management.

However, the existing security door is large in size and is often installed on one side of the door body, on one hand, the aesthetic property is poor, and on the other hand, the door closer body is exposed outside and is easy to collide, so that the existing requirements are not met, and therefore a door closer for the security door is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a door closer for burglary-resisting door to the door closer main part that provides in solving above-mentioned background art is installed in the door body outside and is leaded to the relatively poor problem of aesthetic property and protection nature.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a door closer for burglary-resisting door, includes the mounting panel, the both sides of mounting panel lower extreme all are provided with the supporting seat, and supporting seat and mounting panel welded fastening, welded fastening has the main part between the supporting seat, the internally mounted of main part has the gear post, and the gear post extends to the upper end of mounting panel, the rocking arm is installed to the upper end of mounting panel, the both sides of rocking arm are provided with first support arm and second support arm respectively, the guide rail is installed to the upper end of rocking arm one side, the internally mounted of guide rail has the slider, and slider and guide rail sliding connection, buffer gear is all installed at the inside both ends of guide rail, and buffer gear's one end and.

Preferably, the gear post is located the fixed first stopper that is provided with in upper end of mounting panel, spacing hole is installed to the one end of first support arm, spacing hole and first stopper looks adaptation of first support arm one end, and the spacing hole of first support arm one end passes through the bearing with first support arm and rotates and be connected, the intermediate position department of slider lower extreme is provided with the second stopper, the spacing hole of second support arm one end and second stopper looks adaptation, and the spacing hole of second support arm one end passes through the bearing with the second support arm and rotates and be connected.

Preferably, the other end of the first support arm is rotatably connected with the rocker arm, the first support arm is fixed with the rocker arm through a fixing bolt, the other end of the second support arm is rotatably connected with the rocker arm, and the second support arm is fixed with the rocker arm through a fixing bolt.

Preferably, the inside of the buffer mechanism is provided with a telescopic block, the telescopic block is connected with the buffer mechanism in a sliding manner, and a second spring is fixedly arranged between the telescopic block and the buffer mechanism.

Preferably, the inside of the main body consists of a first spring, a door closer piston and an oil cavity, the lower end of the gear column extends to the inside of the door closer piston, and the gear column is in meshed connection with the door closer piston through a gear.

Preferably, the mounting plate and the two sides of the guide rail are both provided with mounting holes.

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

1. the utility model discloses an adopt embedded installation, mounting position according to the door closer main part, fluting is carried out in door body upper end in advance, place the door closer main part in the recess after the fluting is accomplished, make the upper end of mounting panel and the door body keep the level, use the bolt to consolidate both can, door closer main part is located the inside of the door body completely this moment, avoided the bulky outside influence of exposing to be pleasing to the eye of having avoided on the one hand, on the other hand the door body is protected door closer main part, avoid bumping when removing, possess dustproof dampproofing effect simultaneously, guarantee its life, simultaneously according to the mounted position of guide rail, fluting is carried out in the door frame upper end in advance, keep at the coplanar when making guide rail and door frame installation, the inside slider of guide rail cooperatees with the rocking arm this moment, can realize opening.

2. The utility model discloses a both ends at the rocking arm are provided with first support arm and second support arm respectively, the inside of first support arm all is provided with spacing hole, cooperate with first stopper and second stopper respectively and form fixed spacing, and the other end of first support arm and second support arm then rotates with the rocking arm respectively and is connected, when the gap is great between door frame and the door body, then need adjust the angle of rocking arm, through the normal running fit between support arm and the rocking arm, then can adjust the angle of slope, adjust and accomplish the back, utilize fixing bolt to fix first support arm and second support arm respectively can, through this kind of mode, adjust simply swiftly, the practicality all obtains improving with the flexibility.

3. The utility model discloses an all install buffer gear in the inside both sides of guide rail, buffer gear's inside is equipped with the flexible piece of slidable, when the user opens the burglary-resisting door hard, make the rocking arm drive the slider removal fast, striking to flexible piece, flexible piece atress is inside shrink towards, thereby to the second spring application of force, the second spring atress shrink produces elastic deformation, the deformation in-process cushions the impact, thereby effectively alleviate impact force, the effectual slider that has protected, through this kind of design, the impact resistance of door closer has further been improved.

Drawings

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

fig. 2 is a bottom view of the guide rail of the present invention;

FIG. 3 is a partial enlarged view of area A of the present invention;

fig. 4 is a partial enlarged view of the area B of the present invention.

In the figure: 1. mounting a plate; 2. a supporting seat; 3. a main body; 4. a first spring; 5. a door closer piston; 6. an oil chamber; 7. a rocker arm; 8. a first support arm; 9. a second support arm; 10. a guide rail; 11. a slider; 12. mounting holes; 13. a buffer mechanism; 14. a first stopper; 15. a second limiting block; 16. a limiting hole; 17. fixing the bolt; 18. a telescopic block; 19. a second spring; 20. a gear column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a door closer for burglary-resisting door, including mounting panel 1, the both sides of 1 lower extreme of mounting panel all are provided with supporting seat 2, and supporting seat 2 and 1 welded fastening of mounting panel, welded fastening has main part 3 between the supporting seat 2, the internally mounted of main part 3 has gear post 20, and gear post 20 extends to the upper end of mounting panel 1, rocking arm 7 is installed to the upper end of mounting panel 1, the both sides of rocking arm 7 are provided with first support arm 8 and second support arm 9 respectively, guide rail 10 is installed to the upper end of rocking arm 7 one side, the internally mounted of guide rail 10 has slider 11, and slider 11 and guide rail 10 sliding connection, buffer gear 13 is all installed at the inside both ends of guide rail 10, and buffer gear 13's one end.

Further, the gear post 20 is located the fixed first stopper 14 that is provided with in upper end of mounting panel 1, spacing hole 16 is installed to the one end of first support arm 8, the spacing hole 16 of 8 one ends of first support arm and first stopper 14 looks adaptation, and the spacing hole 16 of 8 one ends of first support arm is connected through the bearing rotation with first support arm 8, the intermediate position department of slider 11 lower extreme is provided with second stopper 15, the spacing hole 16 of 9 one ends of second support arm and the 15 looks adaptations of second stopper, and the spacing hole 16 of 9 one ends of second support arm is connected through the bearing rotation with second support arm 9, the support arm installation can be more firm in the cooperation of mutually between stopper and the spacing hole 16.

Further, the other end of first support arm 8 rotates with rocking arm 7 to be connected, and first support arm 8 passes through fixing bolt 17 with rocking arm 7 to be fixed, and the other end of second support arm 9 rotates with rocking arm 7 to be connected, and second support arm 9 passes through fixing bolt 17 with rocking arm 7 to be fixed, through the normal running fit between support arm and the rocking arm 7, then can adjust the angle of slope, adjust the completion back, utilize fixing bolt 17 to fix respectively first support arm 8 and second support arm 9 can.

Further, buffer gear 13's internally mounted has flexible piece 18, and flexible piece 18 and buffer gear 13 sliding connection, the fixed second spring 19 that is provided with between flexible piece 18 and the buffer gear 13, when the burglary-resisting door is opened hard to the user, make rocking arm 7 drive slider 11 fast and remove, striking to flexible piece 18, flexible piece 18 atress is towards inside shrink, thereby to the 19 application of force of second spring, second spring 19 atress shrink produces elastic deformation, the deformation in-process cushions the impact, thereby effectively alleviate impact, effectual slider 11 of having protected.

Further, the inside of main part 3 comprises first spring 4, door closer piston 5 and oil pocket 6, and the lower extreme of gear post 20 extends to the inside of door closer piston 5, and gear post 20 is connected through gear engagement with door closer piston 5, can make rocking arm 7 drive gear post 20 rotate through opening and shutting of the door body, pushes door closer piston 5 and carries out the displacement in main part 3 inside under the meshing effect of gear to realize the automatic closure of the door body.

Further, mounting holes 12 are formed in the two sides of the mounting plate 1 and the guide rail 10, and the mounting holes 12 are used for fixing the mounting plate 1 and the door body and fixing the guide rail 10 and the door frame respectively.

The working principle is as follows: when in use, the embedded installation is adopted, the upper end of the door body is grooved in advance according to the installation position of the door closer main body 3, the door closer main body 3 is placed in the groove after the grooving is finished, so that the installation plate 1 and the upper end of the door body are kept horizontal, the bolt is used for reinforcing the installation plate 1 and the door body, the door closer main body 3 is completely positioned in the door body, on one hand, the influence of overlarge volume on the outside on the appearance is avoided, on the other hand, the door body protects the door closer main body 3 to avoid collision during movement, meanwhile, the dustproof and moistureproof effects are achieved, the service life of the door closer is ensured, meanwhile, the grooving is carried out on the upper end of the door frame in advance according to the installation position of the guide rail 10, so that the guide rail 10 and the door frame are kept on the same plane during installation, the slide block 11 in the, then need adjust the angle of rocking arm 7, through the normal running fit between support arm and the rocking arm 7, then can adjust the angle of slope, adjust the completion back, utilize fixing bolt 17 to fix first support arm 8 and second support arm 9 respectively can, in addition when the user opens the burglary-resisting door with strength, make rocking arm 7 drive slider 11 fast and remove, striking to flexible piece 18, flexible piece 18 atress is towards inside shrink, thereby to the application of force of second spring 19, second spring 19 atress shrink produces elastic deformation, the deformation in-process cushions the impact, thereby effectively alleviate impact, effectual slider 11 of having protected.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a door closer for burglary-resisting door, includes mounting panel (1), its characterized in that: the two sides of the lower end of the mounting plate (1) are respectively provided with a supporting seat (2), the supporting seats (2) are welded and fixed with the mounting plate (1), a main body (3) is welded and fixed between the supporting seats (2), a gear column (20) is arranged in the main body (3), and the gear column (20) extends to the upper end of the mounting plate (1), the upper end of the mounting plate (1) is provided with a rocker arm (7), a first supporting arm (8) and a second supporting arm (9) are respectively arranged at two sides of the rocker arm (7), a guide rail (10) is arranged at the upper end of one side of the rocker arm (7), a slide block (11) is arranged in the guide rail (10), and slider (11) and guide rail (10) sliding connection, buffer gear (13) are all installed at the inside both ends of guide rail (10), and the one end and the guide rail (10) fixed connection of buffer gear (13).

2. The door closer for a security door according to claim 1, wherein: the utility model discloses a bearing rotation connection device, including mounting panel (1), gear post (20), spacing hole (16) are installed to the one end of first support arm (8), the spacing hole of first support arm (8) one end (16) and first stopper (14) looks adaptation, and the spacing hole of first support arm (8) one end (16) is connected through the bearing rotation with first support arm (8), the intermediate position department of slider (11) lower extreme is provided with second stopper (15), the spacing hole of second support arm (9) one end (16) and second stopper (15) looks adaptation, and the spacing hole of second support arm (9) one end (16) is connected through the bearing rotation with second support arm (9).

3. The door closer for a security door according to claim 1, wherein: the other end and the rocking arm (7) of first support arm (8) rotate to be connected, and first support arm (8) are fixed through fixing bolt (17) with rocking arm (7), the other end and rocking arm (7) of second support arm (9) rotate to be connected, and second support arm (9) are fixed through fixing bolt (17) with rocking arm (7).

4. The door closer for a security door according to claim 1, wherein: the buffer mechanism (13) is internally provided with a telescopic block (18), the telescopic block (18) is connected with the buffer mechanism (13) in a sliding manner, and a second spring (19) is fixedly arranged between the telescopic block (18) and the buffer mechanism (13).

5. The door closer for a security door according to claim 1, wherein: the inside of main part (3) comprises first spring (4), door closer piston (5) and oil pocket (6), the lower extreme of gear post (20) extends to the inside of door closer piston (5), and gear post (20) are connected through gear engagement with door closer piston (5).

6. The door closer for a security door according to claim 1, wherein: mounting holes (12) are formed in the two sides of the mounting plate (1) and the guide rail (10).