Free door with adjustable opening degree

By combining the limiting slider and the adjusting ring with the rotational speed difference between the buffer and the buffer plate, the opening and buffering problems of traditional free doors are solved. This achieves adaptive buffering of the door and a solution to technical problems in different usage scenarios. It simplifies the opening and closing speed and opening adjustment of the door, and improves the service life and safety of the door.

CN223753927UActive Publication Date: 2026-01-02南京艾思迈尔装饰材料有限公司
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Patent Information

Application Number
CN202423217344.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2026-01-02
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Traditional free gates lack opening limits and buffer mechanisms, resulting in excessively fast opening and closing speeds that can cause impact damage, and they are difficult to adapt to the opening requirements of different usage scenarios.

Method used

An adjustable free gate was designed. Through the cooperation of the limit slider and the adjustment ring, the opening of the gate panel can be precisely adjusted. The rotational speed difference between the buffer and the buffer plate is used for adaptive buffering to avoid impact.

Benefits of technology

It achieves adaptive buffering of the door panel to prevent impact damage, and can adjust the opening degree according to needs, simplifying the maintenance process and reducing maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an openness-adjustable free door which comprises a door frame, the right side of the front end of the door frame is rotatably connected with a door plate through a hinge, the door plate is located inside the front end of the door frame, fixing grooves are formed inside the intersection of the door frame and the right side of the door plate, and fixing plates are fixedly connected inside the two fixing grooves through bolts. Two limiting movable shafts are fixedly connected to the right side of the front end of the fixing plate on the left side, a limiting fixed shaft is fixedly connected to the left side of the front end of the fixing plate on the right side, a buffer plate is driven to rotate in a buffer cavity filled with buffer liquid through a connecting shaft, and power is consumed through the rotating speed difference between the buffer liquid and the buffer plate and the state change of the buffer liquid; the buffering device buffers the opening and closing force of the door plate, violent impact between the door plate and a door frame or a wall due to too high opening and closing speed of the door plate is avoided, the door plate is prevented from being damaged due to impact, the higher the opening and closing speed of the door plate is, the larger the resistance of the buffering liquid borne by the buffering plate in the buffering cavity is, the self-adaptive buffering effect is achieved, and an additional control device is not needed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the free door related technical field, concretely relates to a free door of adjustable opening degree. BACKGROUND

[0002] Among numerous building sites and facilities, doors are widely used as important partition and passing components. However, traditional free doors often have some problems in the use process. On the one hand, in the opening and closing process, due to the lack of effective opening degree restriction and buffer mechanism, the opening and closing speed is easy to be too fast to cause violent impact with the door frame or wall, which not only produces a large noise, but also can cause the door panel damage, reduces the service life and safety of the door. On the other hand, different use scenarios have different opening degree requirements for the door, but the traditional free door is difficult to realize flexible opening degree adjustment, and cannot meet the diversified use demand.

[0003] In order to solve these problems, it is necessary to develop a new type of free door with adjustable opening degree. This free door should have effective buffer function, which can buffer when the opening and closing speed of the door panel is too fast, and prevent impact damage. At the same time, it should also have the function of adjustable opening degree to adapt to different use scenarios and requirements. In addition, in order to facilitate maintenance and maintenance, the structural design of the free door should facilitate the disassembly and replacement of internal components and buffer liquid. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a free door with adjustable opening degree to solve the problem of lack of opening degree restriction and buffer mechanism of traditional free door in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a free door with adjustable opening degree, comprising a door frame, a door panel is rotatably connected to the right side of the front end of the door frame through a hinge, and the door panel is located inside the front end of the door frame, a fixed groove is formed inside the intersection of the right side of the door frame and the door panel, a fixed plate is fixedly connected inside each of the two fixed grooves through a bolt, two limit dynamic shafts are fixedly connected to the right side of the front end of the left fixed plate, a limit fixed shaft is fixedly connected to the left side of the front end of the right fixed plate, and the limit fixed shaft is rotatably connected between the two limit dynamic shafts.

[0006] Preferably, a limit rotating groove is vertically penetrated in the limit dynamic shaft on the upper side, a square limit clamping hole is vertically penetrated in the limit dynamic shaft on the lower side, and a sealing connecting groove is formed in the upper end of the limit fixed shaft.

[0007] Preferably, the lower end of the sealing connecting groove is communicated with a buffer cavity, a connecting shaft is rotatably connected to the center of the limit fixed shaft and the limit dynamic shaft on the upper side, and the connecting shaft penetrates the limit rotating groove and the buffer cavity.

[0008] Preferably, the lower end of the connecting shaft is fixedly connected with a limiting clamping column, and the limiting clamping column is clamped in the limiting clamping hole.

[0009] Preferably, the plurality of buffer plates are rotationally connected in the buffer cavity and are attached to the cylindrical inner wall of the buffer cavity, and a plurality of differential flow holes are formed in the plurality of buffer plates.

[0010] Preferably, the upper end of the sealing limiting sleeve is fixedly connected with a sealing limiting sleeve through bolts, and the upper end of the sealing limiting sleeve is rotationally connected in the limiting rotating groove and is sleeved on the outside of the connecting shaft.

[0011] Preferably, the upper end of the sealing limiting sleeve is fixedly connected with a sealing limiting sleeve through bolts, and the upper end of the sealing limiting sleeve is rotationally connected in the limiting rotating groove and is sleeved on the outside of the connecting shaft.

[0012] Preferably, the upper end of the connecting shaft is fixedly connected with a limiting sliding block through bolts, and the limiting sliding block is clamped in the limiting sliding groove and is in sliding connection with the limiting sliding groove.

[0013] Compared with the prior art, the utility model provides a free door with adjustable opening degree, which has the following beneficial effects:

[0014] 1、 the utility model discloses a connecting shaft drives buffer plate to rotate in the buffer cavity full of buffer solution, utilizes the rotational speed difference between buffer solution and buffer plate and the power consumption of buffer solution state change to buffer the opening and closing force of door leaf, avoids the violent impact of door leaf opening and closing speed too fast and door frame or wall, thereby prevents the damage of door leaf due to impact, and the faster the opening and closing speed of door leaf is, the greater the buffer resistance that buffer plate receives in the buffer cavity is, realizes the self -adaptation buffer effect, and does not need extra control device.

[0015] 2、 the utility model discloses the cooperation of the limiting sliding block in the limiting sliding groove is adjusted through the limiting ring and the limiting sliding block, thereby the limiting angle of limiting sliding groove to limiting sliding block is adjusted, and then the accurate adjustment of door leaf opening degree is realized, and the demand of different use scenes is satisfied.

[0016] 3、 the utility model discloses the limiting ring and the limiting sliding block of the position adjustment of the screwing of bolt can be adjusted, and the firm fixing is carried out through bolt and antiskid line after the adjustment, and the operation is simple and convenient.

[0017] 4、 the utility model discloses the sealing limiting sleeve and the limiting ring of the disassembly, make the inside component of limiting fixed axle and buffer solution more convenient for dismounting and replacement, improve the maintenance efficiency, and reduce the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1The utility model discloses a free door three-dimensional structure schematic diagram.

[0019] Figure 2 The utility model discloses a fixed plate connecting structure schematic diagram.

[0020] Figure 3 The utility model discloses a limiting fixed axle connecting structure schematic diagram.

[0021] Figure 4 The utility model discloses a connecting axle connecting structure schematic diagram.

[0022] Figure 5 The utility model discloses a sealing limiting sleeve connecting structure schematic diagram.

[0023] Figure 6 The utility model discloses a buffer plate connecting structure schematic diagram.

[0024] In the drawing: 1, door frame;2, door plate;3, fixed groove;4, fixed plate;5, limiting movable axle;6, limiting fixed axle;7, limiting rotary groove;8, limiting clamping hole;9, sealing connecting groove;10, buffer cavity;11, connecting axle;12, limiting clamping column;13, buffer plate;14, differential flow through hole;15, sealing limiting sleeve;16, limiting sliding groove;17, position adjusting ring;18, limiting sliding block. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range protected by the utility model.

[0026] The utility model provides a kind of adjustable opening degree's free door as Figures 1-6 As shown in a kind of adjustable opening degree's free door provided by the utility model, including door frame 1, door frame 1 front end right side is rotationally connected with door plate 2 by hinge, and door plate 2 is located in the inside of door frame 1 front end, and the inside of the intersection of door frame 1 and door plate 2 right side is all provided with fixed groove 3, and the inside of two fixed grooves 3 is all fixedly connected with fixed plate 4 by bolt, and the front end right side of left fixed plate 4 is fixedly connected with two limiting movable axles 5, and the front end left side of right fixed plate 4 is fixedly connected with limiting fixed axle 6, and limiting fixed axle 6 is rotationally connected between two limiting movable axles 5, and door frame 1 is fixed in the inside of wall body, and door plate 2 can be freely opened and closed by hinge in the front end of door frame 1, and can be limited opening degree by two limiting movable axles 5 and limiting fixed axle 6, and simultaneously can be buffered by two limiting movable axles 5 and limiting fixed axle 6 to the force of opening and closing, prevent that door plate 2 opening and closing speed is too fast and causes violent impact with door frame 1 or wall, avoid that door plate 2 is damaged due to impact.

[0027] Preferably, the upper limit of the movable shaft 5 is internally penetrated by a limit rotating groove 7, the lower limit of the movable shaft 5 is internally penetrated by a square limit clamping hole 8, the upper end of the limit fixed shaft 6 is internally provided with a sealing connecting groove 9, the lower end of the sealing connecting groove 9 is communicated with a buffer cavity 10, the limit fixed shaft 6 and the upper limit of the movable shaft 5 are rotationally connected at the internal center of the movable shaft 5, the connecting shaft 11 penetrates the limit rotating groove 7 and the buffer cavity 10, the lower end of the connecting shaft 11 is fixedly connected with a limit clamping column 12, the limit clamping column 12 is clamped in the limit clamping hole 8, a plurality of buffer plates 13 are fixedly connected to the lower side of the connecting shaft 11, the plurality of buffer plates 13 are rotationally connected in the buffer cavity 10 and are attached to the cylindrical inner wall of the buffer cavity 10, a plurality of differential flow holes 14 are formed in the plurality of buffer plates 13, a sealing limit sleeve 15 is fixedly connected to the upper end of the sealing connecting groove 9, the upper end of the sealing limit sleeve 15 is rotationally connected in the limit rotating groove 7 and is sleeved on the outside of the connecting shaft 11. Since the buffer cavity 10 is internally provided with a buffer solution and is sealed at the upper end by the sealing limit sleeve 15, and the connecting shaft 11 can be fixed with the lower limit of the movable shaft 5 through the insertion between the limit clamping hole 8 and the limit clamping column 12, the connecting shaft 11 can rotate with the movable shaft 5 and drive the plurality of buffer plates 13 outside the buffer cavity 10 to rotate. The buffer solution in the buffer cavity 10 rotates under the pushing of the plurality of buffer plates 13, and part of the buffer solution in the buffer cavity 10 can flow between the plurality of buffer plates 13 through the plurality of differential flow holes 14, resulting in a speed difference in rotation between the buffer solution and the plurality of buffer plates 13. The buffer solution will form resistance to the plurality of buffer plates 13, consuming the power of the buffer plates 13. The buffer solution will consume the power of the plurality of buffer plates 13 from static to rotation, or from low-speed rotation to high-speed rotation, thereby buffering and decelerating the plurality of buffer plates 13.

[0028] Preferably, since the door plate 2 can drive the left fixed plate 4 and the two limit movable shafts 5 to rotate together, and can drive the connecting shaft 11 and the plurality of buffer plates 13 to rotate together through the limit clamping hole 8 and the limit clamping column 12, the faster the door plate 2 opens and closes, the greater the resistance of the plurality of buffer plates 13 to the buffer solution in the buffer cavity 10, so that the door plate 2 can buffer the opening and closing force through the plurality of buffer plates 13 and the buffer solution, avoiding damage caused by the opening and closing speed of the door plate 2 being too fast.

[0029] Preferably, a limiting sliding groove 16 is formed in the upper end of the sealing limiting sleeve 15, and the upper end of the connecting shaft 11 penetrates into the limiting sliding groove 16, the upper end of the connecting shaft 11 is fixedly connected with a position adjusting ring 17 through bolts, the outer wall of the upper end of the connecting shaft 11 and the outer wall of the lower end of the position adjusting ring 17 are provided with anti-skid lines, the left end of the position adjusting ring 17 is fixedly connected with a limiting sliding block 18, the limiting sliding block 18 is clamped into the limiting sliding groove 16 and is in sliding connection with the limiting sliding groove 16, since the sealing limiting sleeve 15 is fixedly connected to the upper end of the limiting fixed shaft 6 through bolts and the sealing connecting groove 9, the sealing limiting sleeve 15 is in a stationary state together with the limiting fixed shaft 6, when the connecting shaft 11 rotates together with the door plate 2, since the upper end of the connecting shaft 11 is fixedly connected with the position adjusting ring 17 and the limiting sliding block 18, and the limiting sliding block 18 is in sliding connection with the limiting sliding groove 16 in the upper end of the sealing limiting sleeve 15, the limiting sliding block 18 rotates together with the connecting shaft 11 and is limited by the limiting sliding groove 16 during the rotation, and the rotation angle of the limiting sliding block 18 in the limiting sliding groove 16 is limited, so that the limiting sliding groove 16 and the limiting sliding block 18 can limit the rotation angle of the door plate 2, thereby limiting the opening degree of the door plate 2.

[0030] Preferably, since the position adjusting ring 17 and the limiting sliding block 18 can be adjusted on the upper end of the connecting shaft 11 by loosening the bolts, the limiting sliding block 18 can be adjusted in the limiting sliding groove 16 through the position adjusting ring 17, and can be firmly fixed through the bolts and the anti-skid lines, so that the limiting sliding block 18 adjusts the limiting angle of the limiting sliding groove 16 to the limiting sliding block 18 through the position adjusting ring 17, thereby adjusting the opening degree of the door plate 2.

[0031] Preferably, since the sealing limiting sleeve 15 and the position adjusting ring 17 can be disassembled, the internal components of the limiting fixed shaft 6 and the buffer solution can be more conveniently disassembled and replaced, and maintenance can be more conveniently performed.

[0032] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable opening free gate, characterized in that, The utility model relates to a door frame, the door frame (1) front end right side is connected with the door board (2) through the hinge rotation, and the door board (2) is located the door frame (1) front end inside, the door frame (1) and the door board (2) right side intersection inside are all seted up fixed groove (3), two fixed groove (3) inside are all connected with fixed plate (4) through bolt fixation, left fixed plate (4) front end right side fixed connection has two limit movable shaft (5), right fixed plate (4) front end left side fixed connection has limit fixed shaft (6), and limit fixed shaft (6) rotation is connected between two limit movable shaft (5).

2. An adjustable opening free gate according to claim 1, wherein: The utility model relates to a door frame, the door frame (1) front end right side is connected with the door board (2) through the hinge rotation, and the door board (2) is located the door frame (1) front end inside, the door frame (1) and the door board (2) right side intersection inside are all seted up fixed groove (3), two fixed groove (3) inside are all connected with fixed plate (4) through bolt fixation, left fixed plate (4) front end right side fixed connection has two limit movable shaft (5), right fixed plate (4) front end left side fixed connection has limit fixed shaft (6), and limit fixed shaft (6) rotation is connected between two limit movable shaft (5).

3. An adjustable opening free gate according to claim 2, wherein: The utility model relates to a door frame, the door frame (1) front end right side is connected with the door board (2) through the hinge rotation, and the door board (2) is located the door frame (1) front end inside, the door frame (1) and the door board (2) right side intersection inside are all seted up fixed groove (3), two fixed groove (3) inside are all connected with fixed plate (4) through bolt fixation, left fixed plate (4) front end right side fixed connection has two limit movable shaft (5), right fixed plate (4) front end left side fixed connection has limit fixed shaft (6), and limit fixed shaft (6) rotation is connected between two limit movable shaft (5).

4. An adjustable opening free gate according to claim 3, wherein: The utility model relates to a door frame, the door frame (1) front end right side is connected with the door board (2) through the hinge rotation, and the door board (2) is located the door frame (1) front end inside, the door frame (1) and the door board (2) right side intersection inside are all seted up fixed groove (3), two fixed groove (3) inside are all connected with fixed plate (4) through bolt fixation, left fixed plate (4) front end right side fixed connection has two limit movable shaft (5), right fixed plate (4) front end left side fixed connection has limit fixed shaft (6), and limit fixed shaft (6) rotation is connected between two limit movable shaft (5).

5. An adjustable opening free gate according to claim 4, wherein: The utility model relates to a door frame, the door frame (1) front end right side is connected with the door board (2) through the hinge rotation, and the door board (2) is located the door frame (1) front end inside, the door frame (1) and the door board (2) right side intersection inside are all seted up fixed groove (3), two fixed groove (3) inside are all connected with fixed plate (4) through bolt fixation, left fixed plate (4) front end right side fixed connection has two limit movable shaft (5), right fixed plate (4) front end left side fixed connection has limit fixed shaft (6), and limit fixed shaft (6) rotation is connected between two limit movable shaft (5).

6. An adjustable opening free gate according to claim 5, wherein: ​ 7. An adjustable opening free gate according to claim 6, wherein: ​ 8. An adjustable opening free gate according to claim 7, wherein: ​