Seamless opening and closing device

The seamless opening and closing groove and rotating shaft design solves the problems of hinge device pinching and uneven opening and closing, achieving a safe and reliable opening and closing effect, suitable for doors, windows and other objects.

CN223459284UActive Publication Date: 2025-10-21CHINA METALLURGICAL CONSTR ENG GRP
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Patent Information

Application Number
CN202422129489.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-31
Publication Date
2025-10-21
Estimated Expiration
2034-08-31

AI Technical Summary

Technical Problem

Existing hinge devices can easily pinch users, especially children, during the opening and closing process, and may cause unsmooth opening and closing, increasing the risk of pinching and foreign object damage.

Method used

A seamless opening and closing device is designed. By installing a seamless opening and closing groove and an integrally formed rotating shaft on the inner edge of the frame, a seamless connection between the opening and closing part and the frame is achieved. The stopper is used for limiting the position to ensure that the opening and closing part is stable in the set position to avoid pinching and foreign objects being caught.

Benefits of technology

It reduces the risk of pinching and damage from foreign objects, improves user comfort, especially the safety of children, and extends the lifespan of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a seamless opening and closing device which comprises a frame body, a rotatable opening and closing part and a rotating shaft serving as a rotating center shaft of the opening and closing part, an opening and closing groove in seamless connection with the rotating shaft is vertically installed on the inner edge of the frame body, and the opening and closing groove is used for installing the opening and closing part on the frame body to achieve seamless opening and closing. According to the seamless opening and closing device, the situation that people are pinched without attention can be reduced, particularly, the probability that children are pinched is high, the situation that the opening and closing device is damaged due to the fact that foreign matter is pinched is reduced, and the using comfort level of people is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the security technical field of opening and closing device, especially a seamless opening and closing device. BACKGROUND

[0002] The objects with opening and closing function such as door, window, etc. usually use hinge device to open and close between frame body and opening and closing part, for example, hinge door is a common door design, which is connected with door frame through hinge (also called as hinge), allowing door to swing freely within a certain angle range, which is used more frequently in daily life, simple to install, and suitable for various occasions, including daily life environment such as family, office, shop, school, etc.

[0003] In prior art, most frame bodies of door, window, etc. are connected with opening and closing part through hinge, when opening and closing part is opened and closed, hinge is opened and closed at an angle, there is a certain gap between frame body and opening and closing part, user is easy to be pinched in the process of opening and closing, especially children with weak self-protection consciousness are easy to be pinched when using hinge, and hinge is not properly maintained and lubricated, which may cause the opening and closing of opening and closing part to be not smooth, increasing the risk of pinching.

[0004] Therefore, it is urgent to develop an opening and closing device capable of preventing pinching, reducing the situation of people being pinched without attention, especially the higher probability of children being pinched and reducing the situation of opening and closing device pinching foreign matter and being damaged, improving the comfort of people using. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing a seamless opening and closing device, which can reduce the situation of people being pinched without attention, especially the higher probability of children being pinched and reduce the situation of opening and closing device pinching foreign matter and being damaged, improving the comfort of people using.

[0006] The seamless opening and closing device of the utility model, including frame body, rotatable opening and closing part and rotating shaft as the rotating center shaft of opening and closing part, the inner edge of frame body is vertically installed with opening and closing groove connected with rotating shaft seamlessly, the opening and closing groove is used to install opening and closing part on frame body to realize seamless opening and closing.

[0007] Further, the outer edge of opening and closing part is vertically provided with rotating shaft, opening and closing part and rotating shaft are integrally formed, and rotating shaft is cylindrical.

[0008] Further, the opening and closing groove is formed with semicylindrical notch on both sides of semicylindrical notch, and the length of semicylindrical notch is same with the length of rotating shaft.

[0009] Further, the opening and closing groove is formed with stop I and stop II on both sides of semicylindrical notch, and the width of stop I is greater than the width of stop II.

[0010] Further, the opening and closing part rotates in the semicylindrical slot with the rotating shaft as the rotating center to the opening and closing part coincides with the frame body, the opening and closing part is in the closed state, and the stopper II limits the connection of the opening and closing part and the rotating shaft.

[0011] Further, the opening and closing part rotates in the semicylindrical slot with the rotating shaft as the rotating center to the opening and closing part coincides with the frame body, the opening and closing part is in the closed state, and the stopper II limits the connection of the opening and closing part and the rotating shaft.

[0012] Further, the opening and closing slot is provided with a plurality of mounting positions for mounting the opening and closing slot on the frame body in the vertical direction of the frame body.

[0013] The further seamless opening and closing device can reduce the situation that people are not careful and are pinched, especially the probability that children are pinched is higher, and the situation that the opening and closing device is damaged by being pinched with foreign matters is reduced, and the comfort degree of people in use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further described below in combination with the drawings and embodiments:

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the opening and closing part schematic of the utility model Figure I ;

[0017] Figure 3 It is the opening and closing part schematic of the utility model Figure II ;

[0018] Figure 4 It is the opening and closing slot schematic diagram of the utility model;

[0019] Figure 5 It is the opening and closing slot plan view of the utility model. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0022] Figure 1 For the structural diagram of the utility model, Figure 2 For, Figure 3 For, as shown: the seamless opening and closing device of the embodiment, including frame body 4, rotatable opening and closing part 1 and rotating shaft 2 as the rotating center shaft of opening and closing part 1, the inner edge of the frame body 4 is vertically installed with the opening and closing groove 3 connected seamlessly with the rotating shaft 2, the opening and closing groove 3 is used to install the opening and closing part 1 on the frame body 4 to realize seamless opening and closing; the seamless opening and closing device can be applied to doors, windows, box covers and other opening and closing parts with opening and closing function, taking the door as an example, the frame body 4 in the scheme is a door frame, and the rotatable opening and closing part 1 is a door panel, and other windows, box covers and the like are similar to the door, which will not be described here; seamless connection refers to the connection between the rotating shaft 2 and the opening and closing groove 3, which can be smoothly and tightly connected together, and there is no visible gap or gap between them, so that the opening and closing part 1 can not leave a gap or gap during opening and closing, avoiding the danger of pinching, reducing the damage of the opening and closing device clamping foreign matters; the inner edge of the frame body 4 is vertically installed with the opening and closing groove 3, and the length of the opening and closing groove 3 is the same as the length of the inner edge of the frame body 4.

[0023] In the embodiment, the outer edge of the opening and closing part 1 is vertically provided with the rotating shaft 2, the opening and closing part 1 and the rotating shaft 2 are integrally formed, the rotating shaft 2 is cylindrical, and the thickness of the opening and closing part 1 is less than the diameter of the rotating shaft 2; the opening and closing part 1 and the rotating shaft 2 are integrally formed, which simplifies the manufacturing process, is convenient for production and improves production efficiency; the rotating shaft 2 is cylindrical, the cylindrical opening and closing groove 3 is connected seamlessly, which can provide good bearing capacity, is suitable for applications that can bear radial load, the connection is reliable, and the failure rate is low; the thickness of the opening and closing part 1 is less than the diameter of the rotating shaft 2, which can ensure that when the rotating shaft 2 rotates in the opening and closing groove 3, the thickness of the opening and closing part 1 is less than the thickness of the opening and closing groove 3, avoiding the excessive contact between the opening and closing part 1 and the opening and closing groove 3, and prolonging the service life.

[0024] In the embodiment, the opening and closing groove 3 is provided with a semicylindrical notch which is in conformity with the rotating shaft 2, and the length of the semicylindrical notch is the same as the length of the rotating shaft 2. The length of the semicylindrical notch is the same as the length of the rotating shaft 2, which can ensure that the rotating shaft 2 will not slide up and down in the semicylindrical notch, and the rotation of the rotating shaft 2 is more stable when the opening and closing part 1 is opened and closed.

[0025] In the embodiment, the opening and closing groove 3 is provided with a semicylindrical notch which is in conformity with the rotating shaft 2, and the length of the semicylindrical notch is the same as the length of the rotating shaft 2. The length of the semicylindrical notch is the same as the length of the rotating shaft 2, which can ensure that the rotating shaft 2 will not slide up and down in the semicylindrical notch, and the rotation of the rotating shaft 2 is more stable when the opening and closing part 1 is opened and closed. Figure 5 As shown in the figure, the stop notch I 301 and the stop notch II 302 can limit the axial rotation range of the rotating shaft 2, and ensure that the opening and closing part 1 can be accurately in the set open position and closed position. In the scheme, the opening and closing part 1 is a single opening structure, which means that the opening and closing is only realized on one side of the frame body 4.

[0026] In the embodiment, the opening and closing part 1 rotates in the semicylindrical notch with the rotating shaft 2 as the rotating center to the vertical position of the opening and closing part 1 and the frame body 4, and the opening and closing part 1 is in the open state. The stop notch I 301 limits the connection between the opening and closing part 1 and the rotating shaft 2. The vertical position of the opening and closing part 1 and the frame body 4 means that the opening and closing part 1 is perpendicular to the plane where the frame body 4 is located. When the arc side surface of the rotating shaft 2 extends to the surface of the opening and closing part 1, two recesses are formed between the arc side surface of the rotating shaft 2 and the surface of the opening and closing part 1 due to the thickness of the opening and closing part 1 being smaller than the diameter of the circular surface of the rotating shaft 2. One end of the recess is connected with the arc side surface of the rotating shaft 2, and the other end is connected with the surface of the opening and closing part 1, which is the connection. The stop notch II 302 can be matched with the connection to block when the opening and closing part 1 is in the open state, and limit the opening and closing part 1.

[0027] In the embodiment, the opening and closing part 1 rotates in the semicylindrical notch with the rotating shaft 2 as the rotating center to the vertical position of the opening and closing part 1 and the frame body 4, and the opening and closing part 1 is in the open state. The stop notch I 301 limits the connection between the opening and closing part 1 and the rotating shaft 2. The vertical position of the opening and closing part 1 and the frame body 4 means that the opening and closing part 1 is perpendicular to the plane where the frame body 4 is located. When the arc side surface of the rotating shaft 2 extends to the surface of the opening and closing part 1, two recesses are formed between the arc side surface of the rotating shaft 2 and the surface of the opening and closing part 1 due to the thickness of the opening and closing part 1 being smaller than the diameter of the circular surface of the rotating shaft 2. One end of the recess is connected with the arc side surface of the rotating shaft 2, and the other end is connected with the surface of the opening and closing part 1, which is the connection. The stop notch II 302 can be matched with the connection to block when the opening and closing part 1 is in the open state, and limit the opening and closing part 1.

[0028] In the embodiment, the opening and closing groove 3 is provided with a plurality of mounting positions for mounting the opening and closing groove 3 on the frame 4 in the vertical direction of the frame 4. Figure 4 As shown in the figure, the mounting positions can adopt bolt holes, the frame 4 is provided with bolt holes on the inner edge for mounting the opening and closing groove 3, the bolt holes on the frame 4 are opposite to the bolt holes on the opening and closing groove 3, the opening and closing groove 3 is mounted on the frame 4 by bolt connection, the frame 4 and the opening and closing groove 3 can also adopt other mechanical connection modes to mount the opening and closing groove 3 on the frame 4 by cooperating with the mounting positions, which will not be described here.

[0029] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A seamless opening and closing device, characterized by: The frame, the rotatable opening and closing part and the rotating shaft as the rotating center shaft of the opening and closing part are included, the inner edge of the frame is vertically provided with the opening and closing slot which is seamlessly connected with the rotating shaft, and the opening and closing slot is used for mounting the opening and closing part on the frame to realize seamless opening and closing.

2. The seamless opening and closing device according to claim 1, characterized in that: The outer edge of the opening and closing part is vertically provided with the rotating shaft, the opening and closing part and the rotating shaft are integrally formed, the rotating shaft is in the shape of a cylinder, and the thickness of the opening and closing part is less than the diameter of the circular surface of the rotating shaft.

3. The seamless opening and closing device according to claim 1, characterized in that: The opening and closing slot is provided with the semicylindrical slot which is adapted to the shape of the rotating shaft, and the length of the semicylindrical slot is the same as the length of the rotating shaft.

4. The seamless opening and closing device according to claim 3, characterized in that: The opening and closing slot is provided with the stop I and the stop II on both sides of the semicylindrical slot, and the width of the stop I is greater than the width of the stop II.

5. The seamless opening and closing device according to claim 4, characterized in that: The opening and closing part rotates in the semicylindrical slot with the rotating shaft as the rotating center, and when the opening and closing part is perpendicular to the frame, the opening and closing part is in the open state, and the stop I limits the connection part of the opening and closing part and the rotating shaft.

6. The seamless opening and closing device according to claim 4, characterized in that: The opening and closing part rotates in the semicylindrical slot with the rotating shaft as the rotating center, and when the opening and closing part coincides with the frame, the opening and closing part is in the closed state, and the stop II limits the connection part of the opening and closing part and the rotating shaft.

7. The seamless opening and closing device according to claim 1, characterized in that: The opening and closing slot is provided with a plurality of mounting positions in the vertical direction of the frame, and the opening and closing slot is mounted on the frame through the mounting positions.