Push-and-pull compound door capable of separating gas from liquid

The sliding duplex door, with its multi-layered L-shaped door panel structure and double sealing strips, solves the problems of sealing performance and stability of gas-liquid separation doors, achieving efficient gas-liquid separation and stable and reliable results, and adapting to various installation scenarios.

CN121162166APending Publication Date: 2025-12-19KEWEITUO NEW MATERIAL TECHNOLOGY (TIANJIN) CO LTD
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Patent Information

Application Number
CN202511641095.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-11
Publication Date
2025-12-19

AI Technical Summary

Technical Problem

In the existing technology, the gas-liquid separation door has poor sealing performance and insufficient fixing stability, which leads to gas infiltration or liquid leakage, and its space adaptability is insufficient.

Method used

It adopts a multi-layer L-shaped door panel structure, combined with wedge-shaped grooves, double sealing strips and adjusting bolt fixing components, to achieve excellent gas-liquid separation effect and stable reliability, and supports switching between vertical and horizontal sliding modes.

Benefits of technology

It achieves efficient blocking of gas penetration and liquid leakage, with a sealing rating of up to IP67, strong fixation stability, and adaptability to various installation scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of separation devices, and particularly discloses a push-pull compound door for separating gas and liquid, which comprises a mounting cavity, a sliding rail assembly, a rotating shaft assembly and a door body, the mounting cavity is a hollow cavity formed in the surrounding area of a door frame, and the inner wall of the mounting cavity is provided with a mounting groove corresponding to the sliding rail assembly; the mounting cavity is used for containing the sliding rail assembly and the door body, the door body is hidden in the mounting cavity, the door body is of a duplex structure with multiple layers of door plates, the two sides of the bottom of the door body are connected with the sliding rail assembly through the rotating shaft assembly, and the door body is arranged in the mounting cavity. A fixing assembly is arranged at the top, away from the rotating shaft assembly, of the door body. The push-pull compound door for separating the gas and the liquid is excellent in gas-liquid separation effect, stable, reliable and high in space adaptability.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of partition devices, in particular to a push-pull double door for separating gas and liquid. BACKGROUND

[0002] In industrial production, scientific research experiments and daily life, it is often necessary to separate gas and liquid in a specific space to avoid equipment damage, environmental pollution or safety hazards caused by liquid leakage and gas diffusion. For example, industrial workshops, laboratories, domestic kitchens and bathrooms, and special cleaning areas that require gas-liquid isolation.

[0003] In the prior art, gas-liquid separation doors are mostly single-layer door panels, which are opened and closed by simple sliding rails, resulting in poor sealing performance. The gap between the single-layer door panel and the sliding rail is large, and there is a lack of targeted sealing structure, which is prone to gas penetration or liquid leakage. In addition, the fixing stability is insufficient: the fixing of the door panel and the sliding rail after closing mostly depends on a single buckle or friction, which is easily loosened under external force, affecting the separation effect. SUMMARY

[0004] The purpose of the present application is to provide a push-pull double door for separating gas and liquid, which has excellent gas-liquid separation effect, is stable and reliable, and has strong space adaptability.

[0005] To achieve the above purpose, the present application provides a push-pull double door for separating gas and liquid, which comprises a mounting cavity, a sliding rail assembly, a rotating shaft assembly and a door body. The mounting cavity is a hollow cavity opened in the inner part of the surrounding area of the door frame. The inner wall of the mounting cavity is provided with a mounting groove corresponding to the sliding rail assembly. The mounting cavity is used to accommodate the sliding rail assembly and the door body. The door body is hidden in the mounting cavity. The door body is a double structure of multiple door panels. The bottom of the door body is connected to the sliding rail assembly through the rotating shaft assembly. The top of the door body away from the rotating shaft assembly is provided with a fixing assembly.

[0006] Preferably, the door body comprises an outer door panel, a middle door panel and an inner door panel arranged in sequence. The outer door panel, the middle door panel and the inner door panel are all L-shaped structures. The sliding rail assembly comprises two parallel sliding rail guides. The cross section of the sliding rail guide is U-shaped structure. The sliding rail guide is provided with a first slot connected with the outer door panel, a second slot connected with the middle door panel and a third slot connected with the inner door panel in sequence. The bottom end of the first slot is provided with a notch. The bottom end of the sliding rail guide is provided with a wedge-shaped clamping groove. The bottom of the outer door panel is provided with a wedge-shaped block corresponding to the wedge-shaped clamping groove.

[0007] Preferably, the thickness of the outer door panel is greater than the thickness of the middle door panel, the thickness of the outer door panel is greater than the thickness of the inner door panel, the middle door panel and the inner door panel are both inverted L-shaped structures, the bottom of the middle door panel and the bottom of the inner door panel are both in abutment with the upper surface of the bottom of the outer door panel, the lower surface of the top of the middle door panel is in abutment with the upper surface of the top of the outer door panel, and the lower surface of the top of the inner door panel is in abutment with the upper surface of the top of the middle door panel.

[0008] Preferably, the lengths of the first groove, the second groove and the third groove decrease in turn.

[0009] Preferably, the rotating shaft assembly comprises a rotating shaft, a shaft sleeve and a bearing, the shaft sleeve is fixed in the mounting hole of the gap through interference fit, the inner ring of the shaft sleeve is the bearing, the inner ring of the bearing is rotatably connected with one end of the rotating shaft, the other end of the rotating shaft is connected with the mounting hole of the wedge-shaped block through interference fit, and a limiting pin is arranged on the outer side of the rotating shaft.

[0010] Preferably, the fixing assembly comprises an extrusion block, a spring and an adjusting bolt, the extrusion block is arranged on the top of the door body, one side of the extrusion block is fixedly connected with the door body, the other side of the extrusion block is fixedly connected with the spring, the other end of the spring is in abutment with the adjusting bolt, and the adjusting bolt penetrates the end wall of the mounting cavity.

[0011] Preferably, the sealing assembly further comprises a main sealing strip and an auxiliary sealing strip, the main sealing strip is fixed to the inner side wall of the sliding rail assembly through a clamping groove connection mode, and the auxiliary sealing strip is bonded in the wedge-shaped clamping groove.

[0012] Preferably, the main sealing strip is made of ethylene propylene diene rubber material, and the auxiliary sealing strip is made of foamed rubber material.

[0013] Preferably, the material of the door body and the sliding rail assembly is one or more of metal material or non-metal material.

[0014] Preferably, the inner wall surface of the mounting cavity is provided with an anti-rust and anti-corrosion coating.

[0015] Therefore, the push-pull double doors for separating gas and liquid have the following beneficial effects: The gas-liquid separation effect of the push-pull double doors is excellent: the three-layer L-shaped door panels form an air isolation layer, cooperate with the main and auxiliary double sealing strips and the extrusion sealing fixed by the wedge, effectively block the gas penetration and liquid leakage, and the sealing level can reach IP67, so that dust and gas can be completely prevented from entering.

[0016] The application is fixed, stable and reliable: through the cooperation of adjusting bolts, springs and extrusion blocks, the door body and the slide rail are tightly extruded and fixed, and the engagement of the wedge-shaped structure and the clamping groove further enhances the stability, and the door body is not easy to loosen under external force impact.

[0017] The application has strong space adaptability: supports vertical sliding and horizontal sliding mode switching, and the door body and the slide rail are hidden in the wall body, greatly saving the installation space, and adapting to the diversified needs of industrial, civil and special scenes.

[0018] The technical solutions of the application will be further described in detail below through the drawings and examples. DETAILED DESCRIPTION

[0019] Figure 1 is a door closing state schematic diagram of an embodiment of the push-pull double door for separating gas and liquid of the application; Figure 2 is a door opening state schematic diagram of an embodiment of the push-pull double door for separating gas and liquid of the application; Figure 3 is a structure schematic diagram of the door body of an embodiment of the push-pull double door for separating gas and liquid of the application; Figure 4 is a side view of the door body of an embodiment of the push-pull double door for separating gas and liquid of the application; Figure 5 is a front view of a slide rail assembly of an embodiment of the push-pull double door for separating gas and liquid of the application.

[0020] REFERENCE NUMERALS 1, mounting cavity; 2, door body; 3, outer door panel; 4, middle door panel; 5, inner door panel; 6, slide rail guide plate; 7, first slot; 8, second slot; 9, third slot; 10, notch; 11, wedge-shaped clamping groove; 12, wedge-shaped block; 13, pivot; 14, shaft sleeve; 15, bearing; 16, limit pin; 17, extrusion block; 18, spring; 19, adjusting bolt; 20, main sealing strip; 21, auxiliary sealing strip. DETAILED DESCRIPTION

[0021] The technical solutions of the application will be further described in detail below through the drawings and examples.

[0022] Unless otherwise defined, the technical or scientific terms used in this invention shall have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms "first," "second," and similar terms used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0023] Example 1 like Figures 1-5 As shown, a sliding duplex door for separating gas and liquid includes a mounting cavity 1, a slide rail assembly, a pivot assembly, and a door body 2. The mounting cavity 1 is a hollow cavity opened inside the area around the door frame. The inner wall of the mounting cavity 1 is provided with mounting grooves corresponding to the slide rail assembly. The mounting cavity 1 is used to accommodate the slide rail assembly and the door body 2. The door body 2 is hidden inside the mounting cavity 1. The door body 2 is a duplex structure of multi-layer door panels. The bottom two sides of the door body 2 are connected to the slide rail assembly through the pivot assembly. A fixing component is provided on the top of the door body 2 away from the pivot assembly.

[0024] The door body 2 includes an outer door panel 3, a middle door panel 4, and an inner door panel 5 arranged sequentially. All three panels have an L-shaped structure. The sliding rail assembly includes two parallel sliding rail guide plates 6, which are fixed to a pre-reserved installation cavity 1 in the wall using expansion bolts. The cross-section of each sliding rail guide plate 6 is U-shaped. Within each guide plate 6 are sequentially arranged a first groove 7 that slides through the outer door panel 3, a second groove 8 that slides through the middle door panel 4, and a third groove 9 that slides through the inner door panel 5. The lengths of the first groove 7, second groove 8, and third groove 9 decrease sequentially. The inner walls of the sliding rail guide plates 6 and the grooves are polished to reduce the sliding resistance of the door body 2. A notch 10 is provided at the bottom of the first groove 7, and a wedge-shaped groove 11 is provided at the bottom of the sliding rail guide plate 6. Wedge-shaped blocks 12 corresponding to the wedge-shaped grooves 11 are provided on both sides of the bottom of the outer door panel 3.

[0025] The thickness of the outer door panel 3 is greater than the thickness of the middle door panel 4, and the thickness of the outer door panel 3 is greater than the thickness of the inner door panel 5; the middle door panel 4 and the inner door panel 5 are both inverted L-shaped structures; the bottom of the middle door panel 4 and the bottom of the inner door panel 5 are both in abutment with the bottom upper surface of the outer door panel 3; the top lower surface of the middle door panel 4 is in abutment with the top upper surface of the outer door panel 3; and the top lower surface of the inner door panel 5 is in abutment with the top upper surface of the middle door panel 4.

[0026] The rotating shaft assembly comprises a rotating shaft 13, a shaft sleeve 14 and a bearing 15; the shaft sleeve 14 is fixed in the mounting hole of the gap 10 through interference fit; the inner ring of the shaft sleeve 14 is the bearing 15; the inner ring of the bearing 15 is rotatably connected with one end of the rotating shaft 13; the other end of the rotating shaft 13 is connected with the mounting hole of the wedge-shaped block 12 through interference fit; and a limit pin 16 is arranged on the outer side of the rotating shaft 13.

[0027] The fixing assembly comprises an extrusion block 17, a spring 18 and an adjusting bolt 19; the extrusion block 17 is arranged on the top of the door body 2; one side of the extrusion block 17 is fixedly connected with the door body 2; the other side of the extrusion block 17 is fixedly connected with the spring 18; the other end of the spring 18 is in abutment with the adjusting bolt 19; the adjusting bolt 19 penetrates through the end wall of the mounting cavity 1; and the number of the adjusting bolts 19 arranged on the side corresponding to one sliding rail guide plate 6 is at least four.

[0028] The door body 2 and the sliding rail assembly are made of one or more of metal materials or non-metal materials; and the inner wall surface of the mounting cavity 1 is provided with an anti-rust and anti-corrosion coating, which is an epoxy resin coating in the embodiment.

[0029] Embodiment two On the basis of embodiment one, the push-pull double door for separating gas and liquid further comprises a sealing assembly; the sealing assembly comprises a main sealing strip 20 and an auxiliary sealing strip 21; the main sealing strip 20 is fixed to the inner side wall of the sliding rail assembly through a clamping groove connection mode; the auxiliary sealing strip 21 is bonded in the wedge-shaped clamping groove 11; the main sealing strip 20 is made of ethylene-propylene-diene rubber material and has the characteristics of high and low temperature resistance and aging resistance; the main sealing strip 20 is closely attached to the side edge of the double door body, thereby forming a first sealing; the auxiliary sealing strip 21 is made of foamed rubber material and has the ability of elastic deformation; when the door body is engaged with the wedge-shaped clamping groove 11 of the sliding rail guide plate 6, the auxiliary sealing strip 21 is deformed by extrusion, thereby filling the gap between the wedge-shaped block 12 and the wedge-shaped clamping groove 11 and forming a second sealing.

[0030] The push-pull double door according to the present application can select vertical sliding or horizontal sliding mode according to the installation scene, and the working process of the door closing operation is as follows: The adjusting bolt 19 of the fixing assembly is reversely rotated to reset the spring 18, so that the extrusion block 17 does not extrude the door body 2, and the door body 2 slides along the first groove 7, the second groove 8 and the third groove 9 of the sliding rail guide plate 6, and gradually extends out of the wall reserved mounting cavity 1. When the door body slides to the gap 10 of the slide rail guide plate 6, the door body 2 is rotated around the rotating shaft 13 (opening angle 0-30 degrees), and the door body can be kept at a fixed angle, and the door body is reversely rotated to be aligned with the slide rail guide plate 6; The door body 2 is pushed to slide along the wedge-shaped slot 11 until the door body 2 is completely vertical, the adjusting bolt 19 of the rotating fixing assembly is rotated to fix the outer door panel 3, the wedge-shaped block 12 at the bottom of the door body 2 is tightly engaged with the wedge-shaped slot 11 of the slide rail guide plate 6, the middle door panel 4 is pulled to slide along the second slot 8, the adjusting bolt 19 of the rotating fixing assembly is rotated to fix the middle door panel 4, the inner door panel 5 is pulled to slide along the third slot 9, the adjusting bolt 19 of the rotating fixing assembly is rotated to fix the inner door panel 5, the adjusting bolt 19 pushes the spring 18 to compress, the extrusion block 17 extrudes the door body 2 in the direction of the slide rail, and the main sealing strip 20 and the auxiliary sealing strip 21 are extruded and deformed to fill the gap, so that the gas and the liquid are efficiently separated.

[0031] Therefore, the push-pull double doors for separating gas and liquid have excellent gas-liquid separation effect, are stable and reliable, and have strong space adaptability.

[0032] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application but not to limit it, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can still be modified or replaced by equivalents, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A sliding patio door separating a gas and a liquid, characterized in that: The door body includes an installation cavity, a slide rail assembly, a rotating shaft assembly and a door body. The installation cavity is a hollow cavity opened in the internal part of the surrounding area of the door frame. The inner wall of the installation cavity is provided with an installation groove corresponding to the slide rail assembly. The installation cavity is used to accommodate the slide rail assembly and the door body. The door body is hidden in the installation cavity. The door body is a multiple structure of multiple door panels. The bottom of the door body is connected with the slide rail assembly through the rotating shaft assembly. The top of the door body away from the rotating shaft assembly is provided with a fixing assembly.

2. The sliding and pusher combination door for separating gas and liquid according to claim 1, characterized in that: The door body includes an installation cavity, a slide rail assembly, a rotating shaft assembly and a door body. The installation cavity is a hollow cavity opened in the internal part of the surrounding area of the door frame. The inner wall of the installation cavity is provided with an installation groove corresponding to the slide rail assembly. The installation cavity is used to accommodate the slide rail assembly and the door body. The door body is hidden in the installation cavity. The door body is a multiple structure of multiple door panels. The bottom of the door body is connected with the slide rail assembly through the rotating shaft assembly. The top of the door body away from the rotating shaft assembly is provided with a fixing assembly.

3. A sliding and folding door separating gas and liquid according to claim 2, characterized in that: The outer door panel, the middle door panel and the inner door panel are all L-shaped structures. The slide rail assembly includes two parallel slide rail guide plates. The cross sections of the slide rail guide plates are all U-shaped structures. The slide rail guide plates are sequentially provided with a first groove connected with the outer door panel, a second groove connected with the middle door panel and a third groove connected with the inner door panel. The bottom end of the first groove is provided with a notch. The bottom end of the slide rail guide plate is provided with a wedge-shaped clamping groove. The bottom sides of the outer door panel are provided with wedge-shaped blocks corresponding to the wedge-shaped clamping groove.

4. The sliding and pusher combination door of claim 2, wherein: The thickness of the outer door panel is greater than that of the middle door panel. The thickness of the outer door panel is greater than that of the inner door panel. The middle door panel and the inner door panel are both inverted L-shaped structures. The bottom of the middle door panel and the bottom of the inner door panel are both abutted with the upper surface of the bottom of the outer door panel. The lower surface of the top of the middle door panel is abutted with the upper surface of the top of the outer door panel. The lower surface of the top of the inner door panel is abutted with the upper surface of the top of the middle door panel.

5. The sliding and pusher combination door of claim 2, wherein: The lengths of the first groove, the second groove and the third groove are sequentially reduced.

6. The sliding and pusher combination door of claim 1, wherein: The rotating shaft assembly includes a rotating shaft, a shaft sleeve and a bearing. The shaft sleeve is fixed in the mounting hole of the notch through interference fit. The inner ring of the shaft sleeve is the bearing. The inner ring of the bearing is rotationally connected with one end of the rotating shaft. The other end of the rotating shaft is connected with the mounting hole of the wedge-shaped block through interference fit. The outer side of the rotating shaft is provided with a limiting pin.

7. The sliding and pusher combination door of claim 2, wherein: The fixing assembly includes an extrusion block, a spring and an adjusting bolt. The extrusion block is arranged at the top of the door body. One side of the extrusion block is fixedly connected with the door body. The other side of the extrusion block is fixedly connected with the spring. The other end of the spring is abutted with the adjusting bolt. The adjusting bolt penetrates the end wall of the installation cavity.

8. A sliding and folding door separating gas and liquid according to claim 7, characterized in that: A sealing assembly is further included. The sealing assembly includes a main sealing strip and an auxiliary sealing strip. The main sealing strip is fixed to the inner side wall of the slide rail assembly through clamping groove connection. The auxiliary sealing strip is bonded in the wedge-shaped clamping groove.

9. The sliding and pusher combination door of claim 1, wherein: The main sealing strip is made of ethylene propylene rubber material. The auxiliary sealing strip is made of foamed rubber material.

10. The sliding and pusher combination door of claim 1, wherein: The materials of the door body and the slide rail assembly are one or more of metal material or non-metal material. The inner wall surface of the installation cavity is provided with an anti-rust and anti-corrosion coating.