CN111305682A

CN111305682A - Prevent tong door

Info

Publication number: CN111305682A
Application number: CN202010176247.4A
Authority: CN
Inventors: 彭志江
Original assignee: Individual
Current assignee: Guangdong Wanbao Longmen Industrial Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-06-19
Anticipated expiration: 2040-03-13
Also published as: CN111305682B

Abstract

The invention discloses a hand-clamping prevention door which comprises a door body and a door frame, wherein two mounting blocks are fixedly connected to one side of the door frame, which is close to the door body, a fixed shaft is vertically and fixedly connected between the two mounting blocks, a rotating sleeve is sleeved on the fixed shaft, and the rotating sleeve freely rotates relative to the fixed shaft. Has the advantages that: in case the door body receives when great wind-force, the rotational speed of the relative fixed axle of commentaries on classics cover is very fast, because the installation cavity is seted up at the relative position of keeping away from the commentaries on classics cover of the door body, the balancing weight has certain quality, then the centrifugal force that the balancing weight received is great, overcome reset spring elastic tension and extrusion flexible bag, the air in the flexible bag is through extruding into the annular intracavity communicating pipe, the elastic block is protruding towards the fixed axle under atmospheric pressure, make to produce great frictional force between fixed axle and the commentaries on classics cover, form the brake action, door body stall, effectively avoid making the door body rotate rapidly because of wind-force and close the tong accident that makes the reaction time arouse for a short time, greatly increased safety.

Description

Prevent tong door

Technical Field

The invention relates to the technical field of doors, in particular to a hand-clamping prevention door.

Background

In order to keep the circulation of indoor air, the user usually can open the door, avoid wooden door to use for a long time simultaneously and wet the deformation, all can have the clearance between general door and the door frame, children can put into above-mentioned clearance with the finger under curiosity, when the door is slowly closed, children can take out in time when feeling the sore department, nevertheless under door closes rapidly under great wind-force, often do not give children certain reaction time, lead to the finger to press from both sides the wound or even indicate the bone fracture, have great potential safety hazard.

In order to solve the problems, a hand-clamping prevention door is provided.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a hand-clamping-proof door.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a prevent tong room door, includes the door body and door frame, two installation pieces of one side fixedly connected with of door frame is close to the door body, two vertical fixedly connected with fixed axle between the installation piece, the cover is equipped with changes the cover on the fixed axle, and changes the relative fixed axle free rotation of cover, change cover and door body fixed connection, the installation cavity has been seted up in the door body, horizontal sliding connection has the balancing weight in the installation cavity, the balancing weight and the common fixedly connected with reset spring of the left wall of installation cavity, the balancing weight is sealed jointly with the flexible bag with the right wall of installation cavity, the annular chamber has been seted up in the commentaries on classics cover, the right wall of installation cavity and the intercommunication of flexible bag in-connection have communicating pipe, and keep away from the one end and the annular chamber intercommunication of communicating pipe installation cavity, the internal perisporium of commentaries on classi.

In foretell prevent tong room door, the equal fixed mounting of upper and lower inner wall of installation cavity has the slide rail, balancing weight sliding connection is on two slide rails.

In the anti-pinch door, the telescopic bag, the communicating pipe and the annular cavity form a sealed channel together, and water is filled in the sealed channel.

Compared with the prior art, this prevent tong door's advantage lies in:

once the door body is subjected to high wind power, the rotating sleeve rotates relatively fast to the fixed shaft, the mounting cavity is arranged at a position of the door body relatively far away from the rotating sleeve, the balancing weight has certain mass, the centrifugal force applied to the balancing weight is high, the elastic tension of the reset spring is overcome, the telescopic bag is extruded, air in the telescopic bag is extruded into the annular cavity through the communicating pipe, the elastic block protrudes towards the fixed shaft under the air pressure, high friction force is generated between the fixed shaft and the rotating sleeve, a braking effect is formed, the door body stops rotating, the hand clamping accident caused by short reaction time due to the fact that the door body rotates rapidly and is closed due to high wind power is effectively avoided, and the use safety is greatly improved;

in addition, water is filled in the sealing channel, on one hand, the water has mass and can generate centrifugal force in the rotating process, on the other hand, the water cannot be compressed relative to air, and the elastic block is effectively extruded and protruded.

Drawings

FIG. 1 is a perspective view of a door body and a door frame of a hand-clamping prevention room provided by the invention;

FIG. 2 is a perspective view of the connection structure of the hand-pinching-proof door fixing shaft and the rotating sleeve.

In the figure: the door comprises a door body 1, a door frame 2, a mounting block 3, a fixing shaft 4, a rotating sleeve 5, a mounting cavity 6, a sliding rail 7, a balancing weight 8, a return spring 9, a telescopic bag 10, a communicating pipe 11, an annular cavity 12 and an elastic block 13.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-2, a hand-clamping-proof door comprises a door body 1 and a door frame 2, wherein one side of the door frame 2 close to the door body 1 is fixedly connected with two installation blocks 3, a fixed shaft 4 is vertically and fixedly connected between the two installation blocks 3, a rotating sleeve 5 is sleeved on the fixed shaft 4, the rotating sleeve 5 freely rotates relative to the fixed shaft 4, the rotating sleeve 5 is fixedly connected with the door body 1, an installation cavity 6 is arranged in the door body 1, a balancing weight 8 is horizontally and movably connected in the installation cavity 6, the balancing weight 8 and the left wall of the installation cavity 6 are jointly and fixedly connected with a reset spring 9, a telescopic bag 10 is jointly and hermetically fixed on the balancing weight 8 and the right wall of the installation cavity 6, an annular cavity 12 is arranged in the rotating sleeve 5, a communicating pipe 11 is communicated in the telescopic bag 10 on the right wall of the installation cavity 6, one end of the communicating pipe 11 far away from the installation cavity 6 is communicated with the annular cavity 12, elastic blocks, the elastic block 13 is deformable.

Specifically, the upper and lower inner walls of the mounting cavity 6 are fixedly provided with slide rails 7, and the counterweight block 8 is slidably connected to the two slide rails 7, so that the counterweight block 8 is provided with a sliding groove at the joint with the slide rails 7, and the counterweight block 8 slides more stably.

In a normal stable state and in a slow closing process, the friction force between the fixed shaft 4 and the rotating sleeve 5 is small, the balancing weight 8 is positioned at a position close to the left wall of the installation cavity 6 under the pulling force of the reset spring 9, and no centrifugal force or small centrifugal force can not influence the balancing weight 8;

once the door body 1 is subjected to larger wind power, the rotating sleeve 5 rotates faster relative to the fixed shaft 4, and the counterweight block 8 has certain mass due to the installation cavity 6 arranged at the position of the door body 1 relatively far away from the rotating sleeve 5, the centrifugal force applied to the balancing weight 8 is larger, the elastic tension of the return spring 9 is overcome, the telescopic bag 10 is extruded, the air in the telescopic bag 10 is extruded into the annular cavity 12 through the communicating pipe 11, the elastic block 13 protrudes towards the fixed shaft 4 under the air pressure, so that larger friction force is generated between the fixed shaft 4 and the rotating sleeve 5 to form a braking effect, the door body 1 stops rotating, the hand clamping accident caused by short reaction time due to the fact that the door body 1 is rapidly rotated and closed by larger wind power is effectively avoided, and the use safety is greatly improved, after the rotation is temporarily stopped, the weight 8 slides to the left to the initial position under the elastic tension of the return spring 9, and the air in the annular cavity 12 and the communication pipe 11 flows back to the bellows 10.

The embodiment is improved: the expansion bag 10, the communication pipe 11 and the annular cavity 12 together form a sealed channel, and water is filled in the sealed channel.

On one hand, water has mass and can generate centrifugal force in the rotating process, and on the other hand, the water cannot be compressed relative to air, so that the elastic block 13 is effectively extruded and raised.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The hand-clamping-preventing room door comprises a door body (1) and a door frame (2), and is characterized in that the door frame (2) is close to two installation blocks (3) of one side of the door body (1), two vertical fixedly connected with fixed shafts (4) between the installation blocks (3), a rotary sleeve (5) is sleeved on the fixed shafts (4), the rotary sleeve (5) can rotate freely relative to the fixed shafts (4), the rotary sleeve (5) is fixedly connected with the door body (1), an installation cavity (6) is formed in the door body (1), a balancing weight (8) is movably connected with the water level in the installation cavity (6), a reset spring (9) is fixedly connected with the balancing weight (8) and the left wall of the installation cavity (6) together, a telescopic bag (10) is fixed on the balancing weight (8) and the right wall of the installation cavity (6) together in a sealing manner, an annular cavity (12) is formed in the rotary sleeve (5), the right wall of installation cavity (6) just links to each other in expansion bag (10) has communicating pipe (11), and the one end and the annular chamber (12) intercommunication of installation cavity (6) are kept away from in communicating pipe (11), the corresponding position circumference of the interior perisporium of commentaries on classics cover (5) and annular chamber (12) that are in evenly inlays and is equipped with elasticity piece (13).

2. The hand-clamping-preventing room door as claimed in claim 1, wherein the upper and lower inner walls of the installation cavity (6) are both fixedly provided with slide rails (7), and the balancing weight (8) is slidably connected to the two slide rails (7).

3. The hand-clamping prevention door as claimed in claim 1, wherein the bellows (10), the communicating tube (11) and the annular cavity (12) together form a sealed channel, and the sealed channel is filled with water.