CN220645616U - Steel door internal buffer structure - Google Patents

Abstract

The utility model discloses an internal buffer structure of a steel door, which comprises a door frame and a door leaf, wherein square annular limiting steps are formed in the door frame in a measuring mode, the limiting steps play a limiting role in the closing process of the door leaf, the door leaf is arranged on the inner side of the door frame through a hinge, placing grooves are symmetrically formed in the side faces, opposite to the door leaf, of the limiting steps measured in the door frame, and buffer components are arranged in the placing grooves. The buffer component comprises the mounting seat, the supporting rods are rotatably arranged on two sides of the mounting seat, the torsion springs are arranged at the rotary connection positions of the supporting rods and the mounting seat, when the door leaf is closed, the supporting rods are pushed to rotate towards two sides, and finally the supporting rods are rotated into the placing grooves, the torsion springs store force in the rotating process of the supporting rods and apply resistance to the door leaf by reacting on the supporting rods, so that the door leaf can be prevented from directly striking the door frame, vibration generated when the door leaf strikes the door frame can be effectively reduced, impact force is reduced, damage of the impact force to the steel door is reduced, and the service life of the steel door is prolonged.

Description

Steel door internal buffer structure

Technical Field

The utility model relates to the technical field of steel door production, in particular to an internal buffer structure of a steel door.

Background

The appearance of the steel door in the market is very similar to that of the burglary-resisting door, and the standard burglary-resisting door has thick steel plate and strong impact resistance and performs the national mandatory standard; the steel door is widely used indoors and outdoors of various buildings by executing enterprise standards of various enterprises; the fireproof steel door not only has the function of a common door, but also has the obvious function of spreading fireproof potential, and also has better heat insulation and strong safety.

In the existing steel door in the process of closing the door, if the door leaf is blown by carelessly and forcefully or strong wind is provided, the door leaf and the door frame can generate strong collision, long-term collision vibration can possibly cause loosening of installation of the door frame, the connecting hinge of the door frame and the door leaf can generate loosening deformation in the collision process, so that the door leaf is not smooth to open and close, the door can be closed when the steel door is closed by additionally installing the door closer, but after the door closer is used, the door can be automatically closed, if people carry objects through the steel door, the door leaf is inconvenient, people are required to help to control the steel door not to be closed, and a certain invariance is caused.

Accordingly, one skilled in the art would be able to provide a steel door inner buffer structure to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an internal buffer structure of a steel door, which comprises a door frame and a door leaf, wherein square annular limiting steps are formed in the door frame in a measuring mode, the limiting steps play a limiting role in the closing process of the door leaf, the door leaf is arranged on the inner side of the door frame through a hinge, placing grooves are symmetrically formed in the side faces, opposite to the door leaf, of the limiting steps measured in the door frame, buffer parts are arranged in the placing grooves and are elastic parts, the buffer parts comprise mounting seats, supporting rods are arranged on two sides of each mounting seat in a rotating mode, and torsion springs are arranged at rotating joints of the supporting rods and the mounting seats.

Preferably: the upper and lower both sides of mount pad are fixed to set up the fixed block, and the fixed block passes through the bolt with the fixed tank bottom that sets up at the standing groove of mount pad, and symmetrical mounting groove is seted up to the mount pad both sides, and the one end of connecting the vaulting pole is rotated through axle two to the mounting groove, and torsion spring groove is seted up to the junction of vaulting pole and axle two, sets up the torsional spring in the torsional spring inslot, and torsion spring cover is established on axle two, and torsional force is applyed to the vaulting pole, and when the door leaf rotated the inboard of leaving the door frame, the vaulting pole was turned back to the normal position under the effect of torsional spring.

Preferably: one end of the stay bar, which is far away from the second shaft, is fixedly connected with a wheel frame, and the wheel frame is rotatably connected with the contact wheel through the shaft.

Preferably: the mounting groove is a right-angle trapezoid groove, and the inclined groove surface on the inner side of the mounting groove limits the stay bar.

Preferably: the contact wheel is a rubber wheel.

The utility model has the technical effects and advantages that:

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

1. the buffer component comprises the mounting seat, the supporting rods are rotatably arranged on two sides of the mounting seat, the torsion springs are arranged at the rotary connection positions of the supporting rods and the mounting seat, when the door leaf is closed, the supporting rods are pushed to rotate towards two sides, and finally the supporting rods are rotated into the placing grooves, the torsion springs store force in the rotating process of the supporting rods and apply resistance to the door leaf by reacting on the supporting rods, so that the door leaf can be prevented from directly striking the door frame, vibration generated when the door leaf strikes the door frame can be effectively reduced, impact force is reduced, damage of the impact force to the steel door is reduced, and the service life of the steel door is prolonged.

Drawings

FIG. 1 is a block diagram of an internal buffer structure of a steel door provided in an embodiment of the present application;

fig. 2 is a structural diagram of the steel door with the door leaf removed according to the embodiment of the present application;

FIG. 3 is a schematic view of a part of an internal buffer structure of a steel door according to an embodiment of the present application;

FIG. 4 is a block diagram of a cushioning component in an internal cushioning structure of a steel door provided in an embodiment of the present application;

fig. 5 is a schematic structural view of a buffering component in an internal buffering structure of a steel door according to an embodiment of the present application.

Wherein: door frame 1, door leaf 2, spacing step 3, standing groove 4, buffer unit 5, mount pad 51, vaulting pole 52, wheel carrier 53, conflict wheel 54, axle one 55, axle two 56, fixed block 57, mounting groove 58, torsional spring 59, torsional spring groove 510.

Detailed Description

The present utility model will be described in further detail with reference to the following embodiments. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1-5, in this embodiment, an internal buffer structure of a steel door is provided, including a door frame 1 and a door leaf 2, a square annular limiting step 3 is formed in the door frame 1, the limiting step 3 plays a limiting role in the closing process of the door leaf 2, the door leaf 2 is mounted on the inner side of the door frame through a hinge, a placing groove 4 is symmetrically arranged on the side face, opposite to the door leaf, of the limiting step 3 measured in the door frame 1, a buffer component 5 is arranged in the placing groove 4, the buffer component 5 is an elastic component, the buffer component 5 comprises a mounting seat 51, supporting rods 52 are rotatably arranged at two sides of the mounting seat 51, torsion springs 59 are arranged at the rotary connection positions of the supporting rods 52 and the mounting seat 51, when the door leaf 2 is closed, the supporting rods 52 are pushed to rotate to two sides, and finally the supporting rods 52 are turned into the placing groove 4, the torsion springs 59 store force and apply resistance to the supporting rods 52, so that the door leaf can be prevented from directly striking the door frame 1, vibration generated when the door leaf strikes the door frame 1 can be effectively reduced, impact force is reduced, damage to the steel door is reduced, and service life of the steel door is prolonged.

The upper and lower sides of the mounting seat 51 are fixedly provided with fixing blocks 57, the fixing blocks 57 fixedly arrange the mounting seat 51 at the bottom of the placement groove 4 through bolts, the two sides of the mounting seat 51 are provided with symmetrical mounting grooves 58, the mounting grooves 58 are rotationally connected with one end of the supporting rod 52 through the second shaft 56, the connecting part of the supporting rod 52 and the second shaft 56 is provided with a torsion spring groove 510, a torsion spring 59 is arranged in the torsion spring groove 510, the torsion spring 59 is sleeved on the second shaft 56, the torsion spring 59 applies torsion force to the supporting rod 52, when the door leaf 2 rotates away from the inner side of the door frame 1, the supporting rod 52 rotates back to the original position under the action of the torsion spring 59,

the other end of the supporting rod 52 is fixedly connected with the wheel frame 53, the wheel frame 53 is rotatably connected with the abutting wheel 54 through a shaft, the abutting wheel 54 is a rubber wheel, and the rotatable rubber abutting wheel contacts the door leaf 2, so that abrasion to the door leaf can be reduced.

The mounting groove 58 is a right-angled trapezoid groove, and the inclined groove surface on the inner side of the mounting groove 58 limits the stay bar 52.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (5)

1. The utility model provides an inside buffer structure of steel door, including door frame (1) and door leaf (2), survey the shaping in door frame (1) has square annular spacing step (3), spacing step (3) play spacing effect in door leaf (2) closing process, door leaf (2) are inboard at the door frame through hinge mount, a serial communication port, set up standing groove (4) on just facing the side of door leaf on spacing step (3) of door frame (1) interior survey, set up buffer unit (5) in standing groove (4), buffer unit (5) are elastomeric element, buffer unit (5) are including mount pad (51), mount pad (51) both sides rotate and set up vaulting pole (52), the rotation junction of vaulting pole (52) and mount pad (51) sets up torsional spring (59).

2. The steel door inner buffer structure according to claim 1, wherein fixing blocks (57) are fixedly arranged on the upper side and the lower side of the installation seat (51), the fixing blocks (57) are used for fixedly arranging the installation seat (51) at the bottom of the placement groove (4) through bolts, symmetrical installation grooves (58) are formed in the two sides of the installation seat (51), one end of the supporting rod (52) is rotatably connected with the installation grooves (58) through the shaft II (56), torsion spring grooves (510) are formed in the connecting positions of the supporting rod (52) and the shaft II (56), torsion springs (59) are arranged in the torsion spring grooves (510), the torsion springs (59) are sleeved on the shaft II (56), torsion springs (59) apply torsion force to the supporting rod (52), and when the door leaf (2) rotates away from the inner side of the door frame (1), the supporting rod (52) rotates back to the original position under the action of the torsion springs (59).

3. The steel door inner buffer structure according to claim 1, wherein one end of the stay bar (52) far away from the second shaft (56) is fixedly connected with a wheel frame (53), and the wheel frame (53) is rotatably connected with a contact wheel (54) through the second shaft.

4. The steel door inner buffer structure according to claim 2, wherein the mounting groove (58) is a right-angled trapezoid groove, and the inclined groove surface inside the mounting groove (58) limits the stay bar (52).

5. A steel door inner buffer structure according to claim 3, characterized in that the interference wheel (54) is a rubber wheel.