CN218993795U

CN218993795U - Economical free door mounting structure and free door

Info

Publication number: CN218993795U
Application number: CN202223389316.3U
Authority: CN
Inventors: 王希亮
Original assignee: Shenyang Huitong Door Industry Co ltd
Current assignee: Shenyang Huitong Door Industry Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-09
Anticipated expiration: 2032-12-16

Abstract

The utility model provides an economical free door mounting structure and a free door, and belongs to the technical field of refrigeration house doors. The economical free door mounting structure comprises a fixing frame, a rotating shaft and a door curtain bracket; the fixing frame comprises a supporting plate, a first connecting part and a second connecting part, wherein the supporting plate is vertically arranged, and the first connecting part and the second connecting part are connected to two ends of the supporting plate and form a certain included angle with the supporting plate; the rotating shaft passes through the through holes on the first connecting part and the second connecting part, is obliquely arranged, and is provided with a limiting part; the door curtain support is integrally connected with the rotating shaft. The free door mounting structure has the advantages that the fixing frame is mounted on the door frame, the rotating shaft forms a certain included angle with the fixing frame, the door curtain support is connected with the rotating shaft, when the door leaf is pushed by external force, the door can be naturally opened, the door can automatically reset under the action of gravity after the external force leaves the door, the free door structure is simple, the manufacture and the installation are simple, and the cost is greatly reduced.

Description

Economical free door mounting structure and free door

Technical Field

The utility model belongs to the technical field of refrigeration house doors, and particularly relates to an economical free door mounting structure and a free door.

Background

With the increasing consumption of substances, the refrigeration houses are increasingly used, and the logistics passage openings of modern refrigeration houses and refrigeration houses require high flexibility of passage doors and can be opened in two directions.

The conventional structure of the free door in the market is in a hinge form, but under some simple application environments, the requirements on the free door such as stress intensity condition, opening and closing reliability and the like of the door are not very high, and if the hinge structure is adopted, the manufacturing and the installation are complex, so that the cost is increased.

For example, patent number CN214665516U discloses a novel freezer translation door and free door suit structure, which comprises a doorframe, the door frame includes the crossbeam, the bottom of crossbeam is equipped with two support columns, installs the free door between two support columns, be equipped with the slide rail along the length direction of crossbeam on the crossbeam, the hoist and mount has the translation door on the slide rail, translation door and slide rail sliding connection, the width of translation door is not more than half of the length of slide rail, the width of translation door is greater than the width of free door, leave certain distance between the lateral surface of free door and the medial surface of translation door. The free door has a complex structure and high cost, and is not suitable for places with low requirements on the refrigeration house door.

Disclosure of Invention

The utility model provides an economic free door mounting structure and a free door, wherein a fixed frame is mounted on a door frame, a rotating shaft forms a certain included angle with the fixed frame, a door curtain bracket is connected with the rotating shaft, when a door leaf is pushed by external force, the door can be naturally opened, and the door can be automatically reset under the action of gravity after the external force leaves the door, so that the problem of high cost of the free door in the prior art is solved.

In order to achieve the above object, the technical solution of the present utility model is:

an economical free door mounting structure comprises a fixing frame, a rotating shaft and a door curtain bracket;

the fixing frame comprises a supporting plate, a first connecting part and a second connecting part, wherein the supporting plate is vertically arranged, the first connecting part and the second connecting part are connected to two ends of the supporting plate and form a certain included angle with the supporting plate, and through holes are formed in the first connecting part and the second connecting part; the length of the first connecting part is longer than that of the second connecting part;

the rotating shaft passes through the through holes on the first connecting part and the second connecting part, is obliquely arranged, and is provided with a limiting part;

the door curtain support is integrally connected with the rotating shaft.

Preferably, the included angle between the first connecting part and the supporting plate is 70-85 degrees.

Preferably, the angle between the first connecting portion and the support plate is 80 °.

Preferably, the included angle between the second connecting part and the supporting plate is 5-20 degrees.

Preferably, the included angle between the second connecting portion and the supporting plate is 10 °.

Preferably, the angle between the first connection portion and the rotation axis is 90 °.

Preferably, the limit part on the rotating shaft comprises a bump arranged at the lower end of the rotating shaft and a pin arranged at the upper end of the rotating shaft.

An economical free door comprising the economical free door mounting structure described above.

The beneficial effects of the utility model are as follows:

the free door mounting structure has the advantages that the fixing frame is mounted on the door frame, the rotating shaft forms a certain included angle with the fixing frame, the door curtain support is connected with the rotating shaft, when the door leaf is pushed by external force, the door can be naturally opened, the door can automatically reset under the action of gravity after the external force leaves the door, the free door structure is simple, the manufacture and the installation are simple, and the cost is greatly reduced.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic diagram of a second embodiment of the present utility model.

In the figure: 1. a fixing frame; 2. a rotation shaft; 3. a door curtain bracket; 4. a support plate; 5. a first connection portion; 6. a second connecting portion; 7. a bump; 8. and (5) a pin.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Example 1

Referring to fig. 1 to 2, an economical free door mounting structure includes a fixing frame 1, a rotation shaft 2, and a curtain bracket 3; the free door mounting structure is arranged at the left upper corner or the right upper corner of the door leaf, and specifically:

the fixing frame 1 comprises a supporting plate 4, a first connecting part 5 and a second connecting part 6, wherein the supporting plate 4 is vertically arranged, a mounting hole is formed in the supporting plate 4 and is convenient to fix on a door frame, the first connecting part 5 and the second connecting part 6 are connected to two ends of the supporting plate 4 and form a certain included angle with the supporting plate 4, and through holes are formed in the first connecting part 5 and the second connecting part 6; and the length of the first connecting part 5 is longer than that of the second connecting part 6; the rotating shaft 2 passes through the through holes on the first connecting part 5 and the second connecting part 6, the rotating shaft 2 is obliquely arranged, and a limiting part is arranged on the rotating shaft 2; since the length of the first connection part 5 is longer than that of the second connection part 6, the rotation shaft 2 is installed on the fixing frame 1 at a downward inclined angle. The door curtain support 3 is integrally connected with the rotating shaft 2, the door curtain support 3 is horizontally arranged, and the door curtain support 3 is provided with a plurality of threaded holes, so that the door curtain can be conveniently connected.

Further, the included angle between the first connecting part 5 and the supporting plate 4 is 70-85 degrees. Preferably, the angle between the first connecting portion 5 and the support plate 4 is 80 °.

Further, the included angle between the second connecting part 6 and the supporting plate 4 is 5-20 degrees. Preferably, the angle between the second connecting portion 6 and the support plate 4 is 10 °.

Further, the angle between the first connecting portion 5 and the rotation shaft 2 is 90 °.

Through multiple experiments by the inventor, the included angle between the first connecting part 5 and the supporting plate 4 is 70-85 degrees, the included angle between the second connecting part 6 and the supporting plate 4 is 5-20 degrees, and when the included angle between the first connecting part 5 and the rotating shaft 2 is 90 degrees, the return effect of the free door is the best, and the automatic return of the free door can be realized.

Further, the limiting part on the rotating shaft 2 comprises a bump 7 arranged at the lower end of the rotating shaft 2 and a pin 8 arranged at the upper end. The protruding block 7 is arranged between the door curtain bracket 3 and the second connecting part 6, and the pin 8 is arranged between the first connecting part 5 and the door curtain frame.

When in installation, firstly, the rotating shaft 2 is installed on the fixed frame 1, and the pin 8 is installed; then the door curtain bracket 3 is welded on the rotating shaft 2; and finally, the whole installation structure is installed on the wall body, and the door curtain is installed on the door curtain bracket 3, so that the installation is completed.

Example 2

The door curtain bracket in the free door is provided with a door curtain, and the lower end of the door curtain is connected with a door frame through a hinge or a limiting piece and the like. The mounting mode can refer to the patent CN214835585U, and the door curtain and the door frame are connected through the limiting piece. In order to improve the tightness of the free door, a sealing strip can be arranged above the door curtain bracket.

When the door is used, the door leaf is pushed by external force, the door leaf can be naturally opened, and the door leaf can automatically reset under the action of gravity after the external force leaves the door, so that one-time opening and closing actions are completed.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. An economical free door mounting structure is characterized by comprising a fixing frame, a rotating shaft and a door curtain bracket;

the door curtain support is integrally connected with the rotating shaft.

2. The economical free-door mounting structure of claim 1, wherein an angle between the first connecting portion and the support plate is 70-85 °.

3. The economical free-door mounting structure of claim 2, wherein the first connection portion is at an angle of 80 ° to the support plate.

4. The economical free-door mounting structure according to claim 2, wherein an angle between the second connecting portion and the support plate is 5-20 °.

5. The economical free-door mounting structure of claim 4, wherein the second connecting portion is at an angle of 10 ° to the support plate.

6. The economical free-door mounting structure of any one of claims 1-5, wherein the angle between said first connection portion and the rotational axis is 90 °.

7. The economical free door mounting structure according to claim 6, wherein the limit portion on the rotating shaft comprises a bump disposed at a lower end of the rotating shaft and a pin disposed at an upper end.

8. An economical free door comprising the economical free door mounting structure of any one of claims 1-5 or 7.