CN217735213U

CN217735213U - Flexible automatic door closing device

Info

Publication number: CN217735213U
Application number: CN202221729717.6U
Authority: CN
Inventors: 李贝杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-04
Anticipated expiration: 2032-07-06

Abstract

A flexible automatic door closing device comprises a door body and an outer frame, wherein a rotating shaft structure is arranged between the door body and the outer frame, the door body is connected with the outer frame in an openable, closable and rotatable mode through the rotating shaft structure, a first positioning seat is arranged on the door body, a second positioning seat is arranged on the outer frame, a buffering assembly is arranged on the first positioning seat, an elastic assembly is arranged between the buffering assembly and the second positioning seat, and when the door body is opened in a rotating mode, the elastic assembly is compressed and pushes the buffering assembly to compress and generate damping force, so that the door body is opened in a buffering mode relative to the outer frame; when the door body is rotated to be closed, the reset elasticity of the elastic component is released and the buffering component is driven to be released, so that the door body is buffered to be closed relative to the outer frame. The utility model has the characteristics of simple structure, elasticity are strong, the buffering is good, simple to operate and with low costs etc.

Description

Flexible automatic door closing device

Technical Field

The utility model relates to a flexible automatic door closing device.

Background

According to the understanding, the door body is installed through rotating to realize opening and closing adjustment, and the door body rotates to open and close conveniently and saves labor. To the condition that the gravity direction was opened the door, when the door body was opened for the upset downwards, under the action of gravity, the door body can be opened with higher speed, and the gravity moment of torsion constantly increases at the door body rotation in-process simultaneously, can accelerate the speed that the door body was opened and open the acceleration of in-process, when the door body rotated to target in place, can lead to the fact the impact to the door body to the noise production still influences the structural stability and the life of the door body.

Chinese patent document No. CN207033173U discloses a door closing buffer assembly in 2018, specifically discloses a door closing buffer assembly comprising a unhooking device provided with a first clamping part and a second clamping part, wherein the first clamping part is formed by enclosing three surfaces of an elastic baffle and a protruding part, and the second clamping part is formed by recessing the protruding part; the shifting piece moves relative to the detacher along the groove, the detacher rotates, and the shifting piece is selected and placed in the first clamping piece position and the second clamping piece position. This subassembly provides the pulling force through the spring and realizes the return after the door is opened or is closed, and the regulation of collision dynamics when opening the door and closing the door is realized through damping device and stop device's cooperation. But the structure is complicated, inconvenient to install and costly.

Therefore, further improvements are desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, elasticity are strong, the buffering is good, simple to operate and flexible automatic door closing device with low costs to overcome the weak point among the prior art.

The flexible automatic door closing device comprises a door body and an outer frame, wherein a rotating shaft structure is arranged between the door body and the outer frame, the door body is connected with the outer frame in an openable, closable and rotatable manner through the rotating shaft structure, a first positioning seat is arranged on the door body, a second positioning seat is arranged on the outer frame, a buffering assembly is arranged on the first positioning seat, an elastic assembly is arranged between the buffering assembly and the second positioning seat, and when the door body is opened in a rotating manner, the elastic assembly is compressed and is pushed to compress and generate damping force, so that the door body is opened in a buffering manner relative to the outer frame; when the door body rotates to close, the reset elasticity of the elastic component is released and the buffer component is driven to release, so that the door body is closed relative to the outer frame in a buffering mode.

The buffer assembly comprises a hydraulic push rod, a hydraulic cylinder and a hydraulic cover, the hydraulic cover covers one end of the hydraulic cylinder, a cover hole is formed in the hydraulic cover, a piston is arranged at one end of the hydraulic push rod, one end of the hydraulic push rod penetrates through the cover hole, and the piston is slidably arranged in the hydraulic cylinder.

The first positioning seat is provided with a sliding limit, the hydraulic cylinder is internally provided with a hydraulic cabin, and the hydraulic cylinder slides linearly and reciprocally on the sliding limit so as to compress the piston or release the pressure of the hydraulic cabin.

The other end of the hydraulic push rod is provided with an extrusion position, one side of the first positioning seat is provided with a resistance position, and the extrusion position is in contact fit with the resistance position.

The extrusion position and the resistance position are of a split structure, or the extrusion position and the resistance position are of an integrated structure.

And an included angle B is formed between the resistance position and the rotating shaft structure.

The other end of the hydraulic push rod is provided with a first open slot, the second positioning seat is provided with a second open slot, and the elastic component is installed between the first open slot and the second open slot.

The elastic component comprises a hose and a spring sleeved in the hose.

When the elastic component is compressed, the elastic component bends and deforms to form an angle A.

The first positioning seat is fixed on the door body through a fastening piece or a fastening piece, and the second positioning seat is fixed on the outer frame through a fastening piece or a fastening piece.

The utility model adopts the flexible automatic door closing device, when the door body rotates to open, the compression elastic component bends and deforms to generate bounce force and push the buffer component to compress and generate damping force, and the buffer component generates damping force and simultaneously extrudes between the door body and the outer frame; when the door body rotates and is closed, the reset elasticity of the release elastic component resets to drive the door body to rotate along the outer frame 2 and drive the buffer component to release; the rotating speed of the door body is slowed down, the stability of the door body is guaranteed, and the noise generated by impact can be reduced, so that the door body is closed or opened gently when being opened, the service life of the door body is prolonged, and the door body has the advantages of simple structure, strong elasticity and good buffering effect.

Drawings

Fig. 1 is a schematic view (looking down) of an assembly structure of the flexible automatic door closing device according to an embodiment of the present invention.

Fig. 2 is a structural schematic diagram of a state that the door body rotates to be closed in an embodiment of the present invention.

Fig. 3 is a structural schematic view of a state that the door body is opened by rotation in an embodiment of the present invention.

Fig. 4 is an exploded schematic view of the flexible automatic door closing device according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

1-door body, 2-outer frame, 3-rotating shaft structure, 4-first positioning seat, 401-resistance position, 5-second positioning seat, 501-second open slot, 6-buffer component, 601-hydraulic push rod, 6011-extrusion position, 6012-first open slot, 602-hydraulic cylinder, 6021-hydraulic bin, 603-hydraulic gland, 6031-cover hole, 7-elastic component, 701-hose, 702-spring and 8-sliding limit.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 4, in an embodiment, a flexible automatic door closing device is provided, which includes a door body 1 and an outer frame 2, a rotating shaft structure 3 is disposed between the door body 1 and the outer frame 2, the door body 1 is connected with the outer frame 2 through the rotating shaft structure 3 in an openable, closable and rotatable manner, a first positioning seat 4 is disposed on the door body 1, a second positioning seat 5 is disposed on the outer frame 2, a buffering assembly 6 is disposed on the first positioning seat 4, an elastic assembly 7 is disposed between the buffering assembly 6 and the second positioning seat 5, and when the door body 1 is opened by rotation, the elastic assembly 7 is compressed and pushes the buffering assembly 6 to compress and generate a damping force, so that the door body 1 is opened by buffering relative to the outer frame 2; when the door body 1 rotates to close, the reset elasticity of the elastic component 7 is released and the buffer component 6 is driven to release, so that the door body 1 is buffered to close relative to the outer frame 2.

Specifically, as shown in fig. 3, in the process of opening the door body 1 by rotation, the elastic compression component 7 bends and deforms to generate a rebound force and push the elastic buffer component 6 to compress and generate a damping force, the elastic buffer component 6 generates a damping force and simultaneously extrudes between the door body 1 and the outer frame 2, as shown in fig. 3, the mark C is the door closing direction of the door body 1, when the door body 1 rotates to close, the reset elastic force of the elastic release component 7 resets to drive the door body 1 to rotate along the outer frame 2 and drive the elastic buffer component 6 to release, the rotation speed of the door body 1 is reduced, the noise generated by impact can be reduced, therefore, the door body 1 is smoothly closed or opened when being closed or opened, the service life of the door body 1 is prolonged, and the door body has the advantages of simple structure, strong elasticity and good buffering.

Further, the buffering assembly 6 comprises a hydraulic push rod 601, a hydraulic cylinder 602 and a hydraulic cover 603, the hydraulic cover 603 covers one end of the hydraulic cylinder 602, a cover hole 6031 is formed in the hydraulic cover 603, a piston is arranged at one end of the hydraulic push rod 601, and the piston is slidably arranged in the hydraulic cylinder 602 after one end of the hydraulic push rod 601 penetrates through the cover hole 6031.

The first positioning seat 4 is provided with a sliding limit 8, a hydraulic chamber 6021 is arranged in the hydraulic cylinder 602, and the hydraulic cylinder 602 slides linearly and reciprocally on the sliding limit 8 to realize the compression of the piston or the release of the pressure of the hydraulic chamber 6021.

Specifically, as shown in fig. 3, when the door body 1 rotates to close, the reset elastic force of the release elastic assembly 7 resets to drive the door body 1 to rotate along the outer frame 2 and drive the piston to release the pressure of the hydraulic chamber 6021, and further buffer pressure is applied to push the door body 1 to rotate to be on the same plane with the outer frame 2, so as to realize compressing and closing of the door

The other end of the hydraulic push rod 601 is provided with an extrusion position 6011, one side of the first positioning seat 4 is provided with a resistance position 401, and the extrusion position 6011 is in contact fit with the resistance position 401.

Specifically, as shown in fig. 2, when the door body 1 is opened by rotation, the compression elastic component 7 is bent and deformed to generate a rebound force and push the hydraulic cylinder 602 to move toward the resistance position 401 to form a hydraulic pressure pressed outward moving state, the piston on the hydraulic push rod 601 presses the hydraulic chamber 6021 in the hydraulic cylinder 602, so that the hydraulic chamber 6021 generates pressure, the pressing position 6011 is in contact fit with the resistance position 401, and the pressing position 6011 is pressed by the resistance position 401 and cannot retreat.

Further, the pressing position 6011 and the resisting position 401 are separate structures, or the pressing position 6011 and the resisting position 401 are an integral structure.

Specifically, when the extrusion position 6011 and the resistance position 401 are of a split structure, the extrusion position 6011 is arranged at the other end of the hydraulic push rod 601, the resistance position 401 is arranged on one side of the first positioning seat 4, and the extrusion position 6011 and the hydraulic push rod 601 are fixedly connected through riveting, welding or screw connection and the like, so that the manufacturing difficulty is reduced, and the manufacturing cost is effectively reduced; when the extrusion position 6011 and the resistance position 401 are of an integral structure, the extrusion position 6011 and the resistance position 401 are processed simultaneously, and the extrusion position 6011 and the resistance position 401 are not required to be connected during assembly, so that the assembly steps are simplified, and the assembly efficiency is effectively improved.

Referring to fig. 2, the resistance position 401 is disposed at an angle B with respect to the rotation shaft structure 3.

Specifically, the door body 1 is further buffered and pressed to rotate to press the door to close through the impact force of the reset of the thrust buffering elastic assembly 7 arranged at the included angle B.

Referring to fig. 4, a first slot 6012 is disposed at the other end of the hydraulic push rod 601, a second slot 501 is disposed on the second positioning seat 5, and the elastic component 7 is installed between the first slot 6012 and the second slot 501.

Referring to fig. 4, the elastic member 7 includes a flexible tube 701 and a spring 702 sleeved in the flexible tube 701.

Specifically, one end of the hose 701 is inserted into the first slot 6012, the other end of the hose 701 is inserted into the second slot 501, one end of the spring 702 is abutted to the inner side wall of the first slot 6012, and the other end of the spring 702 is abutted to the inner side wall of the second slot 501, wherein the hydraulic cylinder 602 is pushed to slide on the sliding limit 8 in a reciprocating manner by the elastic restoring force of the compression spring 702, and the spring is common and low in cost, so that the manufacturing cost can be reduced.

Referring to fig. 3, when the elastic member 7 is compressed, the elastic member 7 is bent and deformed to form an angle a.

Referring to fig. 1, in order to enable the first positioning seat 4 and the second positioning seat 5 to be conveniently and quickly mounted on the door body 1 and the outer frame 2, the first positioning seat 4 is fixed on the door body 1 through a fastener or a fastener, and the second positioning seat 5 is fixed on the outer frame 2 through a fastener or a fastener.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a flexible automatic door closing device, includes the door body (1) and frame (2), the door body (1) with be equipped with pivot structure (3) between frame (2), the door body (1) is passed through pivot structure (3) with frame (2) can open and shut and rotate the connection, its characterized in that: the door body (1) is provided with a first positioning seat (4), the outer frame (2) is provided with a second positioning seat (5), the first positioning seat (4) is provided with a buffering assembly (6), an elastic assembly (7) is arranged between the buffering assembly (6) and the second positioning seat (5), and when the door body (1) rotates to be opened, the elastic assembly (7) is compressed, the buffering assembly (6) is pushed to be compressed, a damping force is generated, and the door body (1) is buffered to be opened relative to the outer frame (2); when the door body (1) is rotated to be closed, the reset elasticity of the elastic component (7) is released and the buffer component (6) is driven to be released, so that the door body (1) is closed in a buffer mode relative to the outer frame (2).

2. The flexible automatic door closing device of claim 1, wherein: buffer unit (6) include hydraulic pressure push rod (601), pneumatic cylinder (602) and hydraulic pressure lid (603), hydraulic pressure lid (603) lid closes pneumatic cylinder (602) is served, be equipped with lid hole (6031) on hydraulic pressure lid (603), hydraulic pressure push rod (601) one end is equipped with the piston, hydraulic pressure push rod (601) one end is passed behind lid hole (6031), the piston slidable sets up in pneumatic cylinder (602).

3. The flexible automatic door-closing device according to claim 2, wherein: the first positioning seat (4) is provided with a sliding limit (8), the hydraulic cylinder (602) is internally provided with a hydraulic chamber (6021), and the hydraulic cylinder (602) slides on the sliding limit (8) in a linear reciprocating manner so as to realize the compression of the piston or the release of the pressure of the hydraulic chamber (6021).

4. The flexible automatic door-closing device according to claim 3, wherein: the other end of the hydraulic push rod (601) is provided with an extrusion position (6011), one side of the first positioning seat (4) is provided with a resistance position (401), and the extrusion position (6011) is in contact fit with the resistance position (401).

5. The flexible automatic door-closing device according to claim 4, wherein: the extrusion position (6011) and the resistance position (401) are of a split structure, or the extrusion position (6011) and the resistance position (401) are of an integrated structure.

6. The flexible automatic door closing device of claim 5, wherein: the resistance position (401) and the rotating shaft structure (3) are arranged at an included angle B.

7. The flexible automatic door-closing device according to claim 2, wherein: the other end of the hydraulic push rod (601) is provided with a first open slot (6012), the second positioning seat (5) is provided with a second open slot (501), and the elastic component (7) is installed between the first open slot (6012) and the second open slot (501).

8. The flexible automatic door-closing device according to claim 7, wherein: the elastic component (7) comprises a hose (701) and a spring (702) sleeved in the hose (701).

9. The flexible automatic door-closing device according to claim 8, wherein: when the elastic component (7) is compressed, the elastic component (7) is bent and deformed to form an angle A.

10. The flexible automatic door closing device of claim 1, wherein: the first positioning seat (4) is fixed on the door body (1) through a fastening piece or a buckle piece, and the second positioning seat (5) is fixed on the outer frame (2) through a fastening piece or a buckle piece.