Dustproof structure for expansion joint of clean operating room
By using components such as stainless steel plates, rubber panels, waterstops, and fire-resistant strips at the expansion joints of clean operating rooms, the airtightness problem of expansion joints in clean operating rooms is solved, achieving fireproof, waterproof, and cleanliness requirements, and is suitable for the construction of hospital clean operating rooms.
Patent Information
- Application Number
- CN202520429580.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-12
AI Technical Summary
In the existing technology, the expansion joints of clean operating rooms cannot effectively guarantee airtightness, and traditional expansion joint covers cannot meet the requirements of fire prevention, waterproofing, aesthetics, and hospital cleanliness.
An expansion joint structure for a clean operating room was designed, including expansion joints on the floor, ceiling, and walls. It uses components such as stainless steel plates, rubber panels, waterstops, fire-resistant strips, sealed isolation chambers, and decorative surfaces. Air tightness and cleanliness are ensured through measures such as sliding plate connections, sealant, and mechanical fastening.
It achieves improved airtightness and cleanliness of expansion joints while meeting fireproofing, waterproofing, and aesthetic requirements, making it suitable for construction in hospital clean operating rooms.
Smart Images
Figure CN223893554U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of expansion joint construction technology, specifically a dustproof structure for expansion joints in clean operating rooms. Background Technology
[0002] According to the "Technical Specifications for the Construction of Clean Operating Rooms in Hospitals", clean operating rooms should not have seismic joints or expansion joints passing through them, and there should be no seismic joints or expansion belts passing through them inside the clean operating room.
[0003] For large regional general hospitals, there are usually various departments such as internal medicine, surgery, gynecology, pediatrics, ophthalmology, otolaryngology, as well as medical technology departments such as pharmacy, laboratory, and radiology. The structural form is more complex than that of ordinary civil buildings, and the operating room on the same floor is relatively large. It is almost impossible to completely avoid the expansion joints. Therefore, how to achieve airtightness at the expansion joint of the operating room has become an important problem in this project.
[0004] After careful study of the "Building Construction Atlas of Expansion Joints" and communication and learning from many professional expansion joint manufacturers, it has been found that the commonly used expansion joint cover plates on the market only meet the basic functional requirements such as fire prevention, waterproofing, and aesthetics. However, there are currently no corresponding expansion joint products for buildings with purification requirements, such as operating rooms and cleanrooms. Summary of the Invention
[0005] In view of the above-mentioned prior art, this utility model proposes a dustproof structure for expansion joints in clean operating rooms.
[0006] This utility model provides a dustproof structure for expansion joints in a clean operating room, wherein the expansion joints include floor expansion joints, ceiling expansion joints, and wall expansion joints;
[0007] The top of the ground expansion joint is provided with a base, the upper end of the base is provided with a floor, the floor is detachably connected to the base, the upper inner part of the ground expansion joint is provided with a water-stop strip, and the lower inner part of the ground expansion joint is provided with a first fire-resistant strip.
[0008] The top expansion joint and the wall expansion joint are equipped with a second fire-resistant strip inside, and a sealed isolation chamber is provided outside the top expansion joint and the wall expansion joint. A decorative surface layer is provided at the outer end of the sealed isolation chamber.
[0009] Preferably, the floor comprises a stainless steel plate, and a rubber panel is provided on the upper surface of the stainless steel plate.
[0010] Preferably, expansion space is reserved at the junction of the floor and the ground concrete on both sides, and the expansion space is filled with elastic material.
[0011] Preferably, the floor and the base are connected by a sliding plate. The base includes two base units, which are respectively placed on both sides of the ground expansion joint. The inner side of each base unit is provided with a sliding groove. The upper ends of both sides of the sliding plate are provided with sliding rods, which are slidably connected to the corresponding sliding grooves. The middle part of the sliding plate is connected to the floor by bolts.
[0012] Preferably, the waterstop is made of EPDM rubber roll material, the thickness of the waterstop is not less than 1.2mm, the continuous length is not less than 20m, and the width deviation is ±3mm.
[0013] Preferably, the first and second fire-resistant strips are made of double-layer steel plates with fire-resistant fibers sandwiched in the middle, continuously welded or nailed together, and the continuous length of the first and second fire-resistant strips is not less than 10m, and the width deviation is ±3mm.
[0014] Preferably, the sealed isolation chamber adopts a U-shaped galvanized square tube steel frame keel. The U-shaped galvanized square tube steel frame keel is arranged along the entire length of the top expansion joint and the wall expansion joint. The front of the U-shaped galvanized square tube steel frame keel is broken, and a double layer of fireproof gypsum board is provided on its front, while a single layer of fireproof gypsum board is provided on both sides.
[0015] Preferably, in the double-layer fireproof gypsum board, each layer of fireproof gypsum board is provided with a fireproof expansion joint, the fireproof expansion joint is provided with fireproof sealant, and the fireproof expansion joints of the two layers of fireproof gypsum board are staggered.
[0016] Preferably, the decorative surface layer is made of electrolytic steel plate, the back of the electrolytic steel plate is provided with calcium silicate board, and the surface of the electrolytic steel plate is provided with antibacterial coating.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model proposes a dustproof structure for expansion joints in clean operating rooms, which ensures that the expansion joint structure can meet the basic functions of fire prevention, waterproofing and aesthetics, and solves the problem of the inability to guarantee the airtightness of traditional expansion joint covers. At the same time, it also takes into account the cleanliness requirements of hospitals such as corrosion resistance, easy cleaning and anti-slip, which is conducive to the widespread promotion and application of the project. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the dustproof structure at the ground expansion joint in an embodiment of this utility model.
[0019] Figure 2 This is a schematic diagram of the dustproof structure at the top expansion joint and the wall expansion joint in the embodiment of this utility model.
[0020] In the diagram, 1 is the base; 2 is the stainless steel plate; 3 is the rubber panel; 4 is the sealant; 5 is the sliding plate; 6 is the waterstop; 7 is the first fire barrier; 8 is the second fire barrier; 9 is the sealed isolation chamber; 10 is the fireproof gypsum board; 11 is the electrolytic steel plate; and 12 is the calcium silicate board. Detailed Implementation
[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0022] Example: Figure 1 , 2 The diagram illustrates a dustproof structure for expansion joints in a clean operating room, wherein the expansion joints include floor expansion joints, ceiling expansion joints, and wall expansion joints.
[0023] The top of the ground expansion joint is provided with a base 1, and the upper end of the base 1 is provided with a floor. The floor decoration material of the operating room is generally rubber floor roll. In order to ensure the integrity of the floor decoration, the floor includes a 3mm thick stainless steel plate 2. The upper surface of the stainless steel plate 2 is pasted with a rubber panel 3. A 10mm expansion space is reserved at the junction of the floor and the ground concrete on both sides. The expansion space is filled with sealant 4.
[0024] Furthermore, the floor and base 1 are connected via a sliding plate 5. The base 1 is made of 3mm thick 6063-T5 / T6 extruded aluminum alloy with an anodized surface. It includes two base units, each positioned on either side of the floor expansion joint. Both base units have grooves on their inner sides. Sliding rods are located at the upper ends of both sides of the sliding plate 5, and these rods are slidably connected to their corresponding grooves. The middle of the sliding plate 5 is bolted to the floor, and the base 1 is fixed to the ground using expansion bolts to ensure a stable connection between the floor and the ground, preventing displacement or detachment. The sliding plate 5 is made of Q235 steel plate with a hot-dip galvanized surface, with a minimum zinc coating thickness of 50μm. The bolts and anchors connecting the sliding plate 5 and the floor are all made of stainless steel.
[0025] Furthermore, a waterstop 6 is installed on the upper inner part of the ground expansion joint. The waterstop 6 is made of EPDM rubber roll material with a thickness of 1.2mm, a continuous length of 20m, and a width deviation of ±3mm. A first fire-resistant strip 7 is installed on the lower inner part of the ground expansion joint.
[0026] Furthermore, a second fire-resistant strip 8 is installed inside the expansion joints on the top and walls. The first fire-resistant strip 7 and the second fire-resistant strip 8 are continuously welded together from double-layer steel plates with fire-resistant fibers sandwiched in between, with a continuous length of 10m and a width deviation of ±3mm. In addition, the gaps between the first fire-resistant strip 7 and the second fire-resistant strip 8 and the structural surface are sealed with sealant, and expansion bolts are added at 60cm intervals for mechanical fastening. Through these two sealing measures, dust, moisture, and other contaminants are prevented from entering the expansion joints, thereby achieving the cleanliness of the clean area.
[0027] Furthermore, a sealed isolation chamber 9 is provided outside the expansion joints on the top surface and the wall surface. The sealed isolation chamber 9 adopts a U-shaped galvanized square tube steel frame keel. The U-shaped galvanized square tube steel frame keel is arranged along the entire length of the expansion joints on the top surface and the wall surface. The front of the U-shaped galvanized square tube steel frame keel is broken, and a double layer of 9.5mm thick fireproof gypsum board 10 is provided on its front. Each layer of fireproof gypsum board 10 is provided with a fireproof expansion joint. Fireproof sealant is provided in the fireproof expansion joint. The fireproof expansion joints of the two layers of fireproof gypsum board are staggered to play a role in fire prevention and sealing. A single layer of 9.5mm thick fireproof gypsum board 10 is provided on both sides of the U-shaped galvanized square tube steel frame keel.
[0028] Furthermore, the outer end of the sealed isolation chamber 9 is provided with a decorative surface layer, which is made of electrolytic steel plate 11. A 12mm thick calcium silicate board 12 is provided on the back of the electrolytic steel plate 11, and an antibacterial coating is provided on the surface of the electrolytic steel plate 11.
[0029] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent solutions made using the contents of this utility model specification, whether directly or indirectly applied to other related technical fields, are also within the patent protection scope of this utility model.
Claims
1. A dustproof structure for expansion joints in a clean operating room, characterized in that, The expansion joints include ground expansion joints, ceiling expansion joints, and wall expansion joints; The top of the ground expansion joint is provided with a base, the upper end of the base is provided with a floor, the floor is detachably connected to the base, the upper inner part of the ground expansion joint is provided with a water-stop strip, and the lower inner part of the ground expansion joint is provided with a first fire-resistant strip. The top expansion joint and the wall expansion joint are equipped with a second fire-resistant strip inside, and a sealed isolation chamber is provided outside the top expansion joint and the wall expansion joint. A decorative surface layer is provided at the outer end of the sealed isolation chamber.
2. The dustproof structure for expansion joints in a clean operating room as described in claim 1, characterized in that, The floor comprises a stainless steel plate, and a rubber panel is provided on the upper surface of the stainless steel plate.
3. The dustproof structure for expansion joints in a clean operating room as described in claim 1 or 2, characterized in that, Expansion space is reserved at the junction of the floor and the ground concrete on both sides, and the expansion space is filled with elastic material.
4. The dustproof structure for expansion joints in a clean operating room as described in claim 1 or 2, characterized in that, The floor and the base are connected by a sliding plate. The base includes two base units, which are respectively placed on both sides of the ground expansion joint. The inner side of each base unit is provided with a sliding groove. The upper ends of both sides of the sliding plate are provided with sliding rods, which are slidably connected to the corresponding sliding grooves. The middle part of the sliding plate is connected to the floor by bolts.
5. The dustproof structure for expansion joints in a clean operating room as described in claim 1 or 2, characterized in that, The waterstop is made of EPDM rubber roll material, with a thickness of not less than 1.2mm, a continuous length of not less than 20m, and a width deviation of ±3mm.
6. The dustproof structure for expansion joints in a clean operating room as described in claim 1 or 2, characterized in that, The first and second fire-resistant strips are made of double-layer steel plates with fire-resistant fibers sandwiched in the middle, and are continuously welded or nailed together. The continuous length of the first and second fire-resistant strips is not less than 10m, and the width deviation is ±3mm.
7. The dustproof structure for expansion joints in a clean operating room as described in claim 1 or 2, characterized in that, The sealed isolation chamber uses a U-shaped galvanized square tube steel frame keel. The U-shaped galvanized square tube steel frame keel is arranged along the entire length of the top expansion joint and the wall expansion joint. The front of the U-shaped galvanized square tube steel frame keel is broken, and a double layer of fireproof gypsum board is installed on its front, while a single layer of fireproof gypsum board is installed on both sides.
8. The dustproof structure for expansion joints in a clean operating room as described in claim 7, characterized in that, In the double-layer fireproof gypsum board, each layer of fireproof gypsum board is provided with a fireproof expansion joint, and the fireproof expansion joint is provided with fireproof sealant. The fireproof expansion joints of the two layers of fireproof gypsum board are staggered.
9. The dustproof structure for expansion joints in a clean operating room as described in claim 1 or 2, characterized in that, The decorative surface layer is made of electrolytic steel plate, the back of which is provided with calcium silicate board, and the surface of which is provided with antibacterial coating.