Steel double-opening purification door structure

Abstract

The utility model discloses a steel double-opening purification door structure which comprises two door plates which are symmetrically arranged, and each door plate comprises a core plate, two metal panels and two plastic steel stand columns. The core plate is clamped between the two metal panels; the two plastic steel stand columns are located between the two metal panels, the two pieces of plastic steel are located on the two sides of the core plate respectively, the ends of the metal panels are perpendicularly bent to form covered edges, the covered edges are attached to the outer sides of the plastic steel stand columns, and the covered edges are fixedly connected with the plastic steel stand columns through fasteners. The steel double-opening purification door structure is reasonable in structure, the outer side metal panel and the inner side metal panel of the door plate are fixedly connected through the plastic steel stand columns, a broken cold bridge structure can be formed, heat conduction can be effectively blocked, the heat insulation and heat preservation effect is achieved, and energy saving is facilitated.

Description

Technical Field

[0001] This utility model relates to a steel double-leaf purification door structure. Background Technology

[0002] A cleanroom door is an auxiliary device for cleanrooms, designed for the transfer of items between clean areas and between clean and non-clean areas, thereby reducing the number of times the cleanroom door is opened and minimizing contamination.

[0003] Existing cleanroom door panels typically consist of an inner metal panel, an outer metal panel, and a core panel. The inner and outer metal panels are fixedly connected by two metal posts, and the core panel is sandwiched between the inner and outer metal panels. However, because the panels and posts of existing cleanroom door panels are made of metal, which has heat conduction properties, heat is conducted along the panels and posts, affecting the cleanroom door's insulation performance. Therefore, a corresponding technical solution is needed to address this problem. Summary of the Invention

[0004] The purpose of this utility model is to provide a steel double-leaf purification door structure with a reasonable structure. By setting the outer metal panel and the inner metal panel of the door panel to be fixedly connected by plastic steel columns, a cold bridge structure can be formed, which can effectively block the conduction of heat to achieve the effect of heat insulation and heat preservation, and help save energy.

[0005] To achieve the above objectives, the technical solution of this utility model is to design a steel double-leaf purification door structure, including two symmetrically arranged door panels, each door panel including a core panel, two metal panels and two plastic steel columns;

[0006] The core board is sandwiched between two metal panels;

[0007] The two PVC-coated steel columns are located between two metal panels, and the two PVC-coated steel columns are located on both sides of the core board. The ends of the metal panels are vertically bent to form edgings, which are attached to the outside of the PVC-coated steel columns and are fixedly connected to the PVC-coated steel columns by fasteners.

[0008] Preferably, the outer surface of the plastic steel column is provided with a nut groove, and the edging is provided with a plurality of countersunk bolt holes corresponding to the nut groove. The fastener includes a bolt and a nut, the nut is placed in the nut groove, and the bolt passes through the countersunk bolt hole and engages with the nut thread.

[0009] Preferably, sealing strips are provided between the metal panel and the PVC column, and between the edging and the PVC column.

[0010] Preferably, the plastic steel column is provided with an installation groove for installing a sealing strip.

[0011] Preferably, the core board includes an insulation layer and two fireproof layers located on both sides of the insulation layer.

[0012] Preferably, the insulation layer is a rock wool board and the fireproof layer is a fiberglass board.

[0013] Preferably, the fireproof layer and the thermal insulation layer are bonded and fixed together.

[0014] The steel double-leaf purification door structure provided by this utility model has at least the following advantages compared with the prior art:

[0015] This invention replaces traditional metal columns with plastic steel columns, forming a thermal break structure that effectively blocks heat conduction, achieving thermal insulation and saving energy.

[0016] This invention improves the sealing performance between the metal panel and the PVC column by setting a sealing strip.

[0017] This utility model includes a core board comprising an insulation layer and two fireproof layers located on both sides of the insulation layer; wherein the insulation layer is a rock wool board and the fireproof layer is a fiberglass board, which can effectively improve the insulation and fireproof performance of the cleanroom door panel. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the present invention.

[0019] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0020] Attached reference numerals: 1. Metal panel; 2. Plastic steel column; 3. Edge banding; 4. Nut slot; 5. Countersunk bolt hole; 6. Bolt; 7. Nut; 8. Sealing strip; 9. Mounting groove; 10. Insulation layer; 11. Fireproof layer. Detailed Implementation

[0021] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0022] The specific technical solution of this utility model is as follows:

[0023] In one specific embodiment, such as Figure 1 As shown, this utility model provides a steel double-leaf purification door structure, including two symmetrically arranged door panels, each door panel including a core board, two metal panels 1 and two plastic steel columns 2;

[0024] The core board is sandwiched between two metal panels 1;

[0025] The two plastic steel columns 2 are located between the two metal panels 1, and the two plastic steel columns 2 are located on both sides of the core board. The ends of the metal panels 1 are vertically bent to form edging 3. The edging 3 is attached to the outside of the plastic steel column 2, and the edging 3 is fixedly connected to the plastic steel column 2 by fasteners.

[0026] The above solution involves replacing traditional metal columns with PVC-U uprights 2, creating a thermal break structure that effectively blocks heat conduction, achieving thermal insulation and saving energy. During door panel assembly, the core panel and two PVC-U uprights 2 are placed between two metal panels 1, with the two PVC-U uprights 2 positioned on either side of the core panel. The edging 3 of the metal panels 1 is then attached to the outer side of the corresponding PVC-U upright. Finally, fasteners are used to securely connect the edging 3 to the PVC-U uprights 2, thus achieving a fixed connection between the metal panels 1 and the PVC-U uprights 2, completing the door panel assembly.

[0027] In another specific embodiment, such as Figure 2 As shown, the outer side of the plastic steel column 2 is provided with a nut groove 4, and the edge 3 is provided with a plurality of countersunk bolt holes 5 corresponding to the nut groove 4. The fastener includes a bolt 6 and a nut 7. The nut 7 is placed in the nut groove 4, and the bolt 6 passes through the countersunk bolt hole 5 and is threadedly engaged with the nut 6.

[0028] The above solution is adopted: the edging 3 is fixedly connected to the plastic steel column 2 by bolts 6 and nuts 7.

[0029] In another specific embodiment, such as Figure 2 As shown, sealing strips 8 are provided between the metal panel 1 and the plastic steel column 2, and between the edging 3 and the plastic steel column 2.

[0030] The above solution is beneficial to improving the sealing performance between the metal panel 1 and the plastic steel column 2.

[0031] In another specific embodiment, such as Figure 2 As shown, the plastic steel column 2 is provided with an installation groove 9 for installing the sealing strip 8.

[0032] The above solution facilitates the positioning and installation of the sealing strip 8.

[0033] In another specific embodiment, such as Figure 1 As shown, the core board includes an insulation layer 10 and two fireproof layers 11 located on both sides of the insulation layer 10.

[0034] The above solutions can effectively improve the heat insulation and fire resistance of door panels.

[0035] In another specific embodiment, the insulation layer 10 is a rock wool board, and the fireproof layer 11 is a fiberglass board.

[0036] In another specific embodiment, the fireproof layer 11 is bonded and fixed to the thermal insulation layer 10.

[0037] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A steel double-leaf clean door construction comprising two door leaves arranged symmetrically, characterized in that, The door panel comprises a core plate, two metal face plates (1) and two plastic steel uprights (2); The core plate is clamped between the two metal face plates (1); The two plastic steel uprights (2) are located between the two metal face plates (1), and the two plastic steel uprights (2) are respectively located on the two sides of the core plate, the end of the metal face plate (1) is vertically bent to form an edge cover (3), the edge cover (3) is attached to the outer side of the plastic steel upright (2), and the edge cover (3) is fixedly connected with the plastic steel upright (2) through a fastener.

2. The steel double egress clean door structure according to claim 1, wherein, A nut clamping groove (4) is arranged on the outer side of the plastic steel upright (2), a plurality of countersunk bolt through holes (5) corresponding to the nut clamping groove (4) are arranged on the edge cover (3), the fastener comprises a bolt (6) and a nut (7), the nut (7) is arranged in the nut clamping groove (4), and the bolt (6) passes through the countersunk bolt through hole (5) and is threadedly connected with the nut (7).

3. The steel double egress clean door structure according to claim 1, wherein, Sealing strips (8) are arranged between the metal face plate (1) and the plastic steel upright (2) and between the edge cover (3) and the plastic steel upright (2).

4. The steel double egress clean door structure according to claim 3, wherein, An installation groove (9) for installing the sealing strip (8) is arranged on the plastic steel upright (2).

5. The steel double egress clean door structure according to claim 1, wherein, The core plate comprises a heat preservation layer (10) and two fireproof layers (11) respectively located on the two sides of the heat preservation layer (10).

6. The steel double-swing clear door structure according to claim 5, wherein, The heat preservation layer (10) is a rock wool board, and the fireproof layer (11) is a glass fiber board.

7. The steel double egress clean door structure of claim 5, wherein, The fireproof layer (11) and the heat preservation layer (10) are adhesively fixed.

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