SMC (Sheet Molding Compound) door frame of single doorsill-free

Abstract

The utility model discloses a single doorsill-free protective airtight door SMC doorframe which comprises a top frame, a first side frame and a second side frame, the top frame comprises a first outer frame plate and a first inner frame plate, the two ends of the first inner frame plate are respectively provided with a first connecting structure, the first side frame comprises a second outer frame plate and a second inner frame plate, and the first outer frame plate and the second inner frame plate are respectively provided with a second connecting structure. The first side frame comprises a first outer frame plate and a first inner frame plate, a second connecting structure is arranged at the top of the second inner frame plate, the first connecting structure is connected with the second connecting structure in an inserted mode, a plurality of first lock holes are formed in the second inner frame plate, the second side frame comprises a third outer frame plate and a third inner frame plate, and a third connecting structure is arranged at the top of the third inner frame plate. The first connecting structure is connected with the third connecting structure in an inserted mode, a plurality of second lock holes are formed in the third inner frame plate, and a plurality of bolt holes are formed in the top frame, the first side frame and the second side frame. The door frame is made of the SMC composite material, and the door frame is of a split structure, so that the door frame is light in weight and convenient to transport and install.

Description

Technical Field

[0001] This utility model relates to the field of protective sealing door technology, and in particular to the SMC door frame of a single-leaf, thresholdless protective airtight door. Background Technology

[0002] Protective airtight doors are doors installed at the entrances and exits of civil protection projects. They generally include single-leaf and double-leaf protective airtight doors. Protective airtight doors should be able to block shock waves and meet corresponding resistance requirements. SMC composite material is a type of fiberglass, mainly composed of GF (special yarn), MD (filler), and various additives. SMC material has excellent corrosion resistance, is lightweight, and offers advantages such as easy and flexible engineering design. Its mechanical properties are comparable to some metal materials. By adjusting the formula, SMC composite materials can possess a series of advantages such as antistatic properties, flame retardancy, good thermal stability, high strength, corrosion resistance, long service life, and high production efficiency.

[0003] The existing protective airtight doors are mostly made of steel frames, and are mostly integral frames, which are heavy and inconvenient to transport and install. Utility Model Content

[0004] The purpose of this utility model is to provide a single-leaf thresholdless protective airtight door frame made of SMC composite material. The door frame has a split structure, is lightweight, and is convenient for transportation and installation.

[0005] To achieve the above and other related objectives, this utility model provides a single-leaf thresholdless protective airtight door frame (SMC), comprising: a top frame, a first side frame, and a second side frame. The top frame includes a first outer frame plate and a first inner frame plate. The bottom of the first outer frame plate is perpendicularly fixedly connected to one side of the first inner frame plate. A first connecting structure is provided at each end of the first inner frame plate. The first side frame includes a second outer frame plate and a second inner frame plate. One side of the second inner frame plate is perpendicularly fixedly connected to the side of the second outer frame plate facing the top frame. One end of the first outer frame plate engages with the top of the second outer frame plate. A second connecting structure is provided at the top of the second inner frame plate. One end of the first inner frame plate is connected to the second inner frame plate. The top of the plate is fitted together, and the first connecting structure is inserted into the second connecting structure. The second inner frame plate is provided with a plurality of first locking holes. The second side frame includes a third outer frame plate and a third inner frame plate. One side of the third inner frame plate is vertically fixedly connected to the side of the third outer frame plate facing the top frame. The other end of the first outer frame plate is fitted together with the top of the third outer frame plate. The top of the third inner frame plate is provided with a third connecting structure. The other end of the first inner frame plate is fitted together with the top of the third inner frame plate, and the first connecting structure is inserted into the third connecting structure. The third inner frame plate is provided with a plurality of second locking holes. The top frame, the first side frame, and the second side frame are provided with a plurality of bolt holes.

[0006] In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, the angle formed by the end faces of the two ends of the first outer frame plate and the top surface is 40-50°.

[0007] In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, the first connecting structure includes wedge-shaped blocks disposed at both ends of the first inner frame plate. The wedge-shaped blocks have a protrusion on the side away from the first outer frame plate. The surface of the protrusion facing the first side frame or the second side frame is a plane, and the surface of the protrusion away from the first side frame or the second side frame is an arc surface.

[0008] In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, both the second connecting structure and the third connecting structure are provided with wedge grooves that cooperate with the wedge block. The wedge block is inserted into the wedge groove, and the second inner frame plate and the third inner frame plate on the lower side of the two wedge grooves are provided with arc surfaces that cooperate with the protrusion.

[0009] In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, the second outer frame plate and the third outer frame plate are provided with a first overlapping part on the side facing the first outer frame plate, and the first overlapping part cooperates with the surface of the first outer frame plate facing the first inner frame plate.

[0010] In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, the second inner frame plate and the third inner frame plate are provided with a second overlapping part on the side facing the first inner frame plate, and the second overlapping part cooperates with the surface of the first inner frame plate facing the first outer frame plate.

[0011] In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, a second wing plate is provided at the top and bottom of the side of the second outer frame plate away from the second inner frame plate, and several bolt holes are provided on the two second wing plates.

[0012] In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, a third wing plate is provided at the top and bottom of the side of the third outer frame plate away from the third inner frame plate, and several bolt holes are provided on the two third wing plates.

[0013] In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, the top and bottom of the second inner frame plate are respectively provided with a first lock hole, and the second inner frame plate around the two first lock holes is provided with a first reinforcing part. The top and bottom of the third inner frame plate are respectively provided with a second lock hole, and the third inner frame plate around the two second lock holes is provided with a second reinforcing part.

[0014] In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, two parallel first strip plates are provided on the surface of the first outer frame plate away from the first inner frame plate along the extension direction of the first outer frame plate; two parallel second strip plates are provided on the surface of the second outer frame plate away from the second inner frame plate along the extension direction of the second outer frame plate; and two parallel third strip plates are provided on the surface of the third outer frame plate away from the third inner frame plate along the extension direction of the third outer frame plate. One end of each of the two first strip plates is engaged with the top end of each of the two second strip plates, and the other end of each of the two first strip plates is engaged with the top end of each of the two third strip plates.

[0015] This utility model relates to a single-leaf, threshold-free, protective airtight door frame made of SMC composite material. The frame consists of a top frame, a first side frame, and a second side frame, forming a modular structure. During installation, the two ends of the top frame are spliced ​​to the tops of the first and second side frames respectively. The first connecting structures at both ends of the top frame are then inserted into the second connecting structures at the top of the first side frame and the third connecting structures at the top of the second side frame, forming a relatively stable installation structure. Finally, the top frame, first side frames, and second side frames are secured to the concrete wall using bolts and bolts, completing the door frame installation. This utility model is made of SMC composite material, which is lightweight, convenient for transportation and installation, and exhibits good structural stability, high structural strength, good corrosion resistance, and a long service life. Attached Figure Description

[0016] Figure 1 This is a perspective view of an embodiment of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model;

[0017] Figure 2 This is a front view of an embodiment of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model;

[0018] Figure 3 This is a rear view of an embodiment of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model;

[0019] Figure 4 This is a side view of an embodiment of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model;

[0020] Figure 5 This is a rear view of the top frame in one embodiment of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model;

[0021] Figure 6 This is a rear view of the second side frame in one embodiment of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model;

[0022] Figure 7 This is a partial structural diagram of the second side frame in one embodiment of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model.

[0023] Component designation:

[0024] 100. Top frame; 110. First outer frame plate; 111. First strip plate; 120. First inner frame plate; 121. First connecting structure; 122. Wedge block; 200. First side frame; 210. Second outer frame plate; 211. Second wing plate; 212. Second strip plate; 220. Second inner frame plate; 221. Second connecting structure; 222. First lock hole; 223. First reinforcing part; 300. Second side frame; 310. Third outer frame plate; 311. First overlapping part; 312. Third wing plate; 313. Third strip plate; 320. Third inner frame plate; 321. Third connecting structure; 322. Second overlapping part; 323. Second lock hole; 324. Second reinforcing part; 400. Bolt hole. Detailed Implementation

[0025] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. It should also be understood that the terminology used in the embodiments of this utility model is for describing specific implementation schemes and not for limiting the scope of protection of this utility model. Test methods in the following embodiments that do not specify specific conditions are generally performed under conventional conditions or according to the conditions recommended by the respective manufacturers.

[0026] When numerical ranges are given in the embodiments, it should be understood that, unless otherwise specified in this invention, both endpoints of each numerical range and any value between the two endpoints may be selected. Unless otherwise defined, all technical and scientific terms used in this invention, as well as the prior art known to those skilled in the art and the description of this invention, may be implemented using any prior art methods, equipment, and materials similar to or equivalent to those in the embodiments of this invention.

[0027] Please see Figures 1 to 4This utility model provides a single-leaf thresholdless protective airtight door SMC door frame, which includes: a top frame 100, a first side frame 200 and a second side frame 300. The top frame 100 includes a first outer frame plate 110 and a first inner frame plate 120. The bottom of the first outer frame plate 110 is vertically fixedly connected to one side of the first inner frame plate 120. A first connecting structure 121 is provided at each end of the first inner frame plate 120. The first side frame 200 includes a second outer frame plate 210 and a second inner frame plate 220. One side of the second inner frame plate 220 is vertically fixedly connected to the side of the second outer frame plate 210 facing the top frame 100. One end of the first outer frame plate 110 is engaged with the top of the second outer frame plate 210. The top of the second inner frame plate 220 is provided with a second connecting structure 221. One end of the first inner frame plate 120 is engaged with the top of the second inner frame plate 220, and the first connecting structure 121 is inserted into the second connecting structure 221. The second inner frame plate 220 is provided with a plurality of first locking holes 222. The second side frame 300 includes a third outer frame plate 310 and a third inner frame plate 320. One side of the third inner frame plate 320 is vertically fixed to the side of the third outer frame plate 310 facing the top frame 100. The other end of the first outer frame plate 110 mates with the top of the third outer frame plate 310. The top of the third inner frame plate 320 is provided with a third connecting structure 321. The other end of the first inner frame plate 120 mates with the top of the third inner frame plate 320, and the first connecting structure 121 is inserted into the third connecting structure 321. The third inner frame plate 320 is provided with a plurality of second locking holes 323. The top frame 100, the first side frame 200, and the second side frame 300 are provided with a plurality of bolt holes 400.

[0028] When installing this utility model, the two ends of the top frame 100 can be spliced ​​to the top of the first side frame 200 and the second side frame 300 respectively at the installation site. The first connecting structure 121 at both ends of the first inner frame plate 120 is inserted into the second connecting structure 221 at the top of the second inner frame plate 220 and the third connecting structure 321 at the top of the third inner frame plate 320 to form a relatively stable installation structure. The first inner frame plate 120, the second inner frame plate 220 and the third inner frame plate 320 are matched with the inner wall of the reserved installation opening on the concrete wall. The first outer frame plate 110, the second outer frame plate 210 and the third outer frame plate 310 are matched with the outer wall of the reserved installation opening on the concrete wall. The bolt holes 400 on the top frame 100, the first side frame 200 and the second side frame 300 are used to fix the door frame to the concrete wall with bolts, thus completing the installation of the door frame. It should be noted that bolt holes 400 are provided on the first outer frame plate 110, the first inner frame plate 120, the second outer frame plate 210, the second inner frame plate 220, the third outer frame plate 310, and the third inner frame plate 320. The number and position of the bolt holes 400 can be set according to the size of the door frame and the installation requirements. Holes can be drilled in the concrete wall, or some sleeves for installation can be pre-embedded during pouring to facilitate the installation of the door frame. There is no specific installation sequence for the components of this utility model; they can be installed according to the requirements of the construction site.

[0029] Please see Figure 5 and Figure 6 In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, the angle formed by the end faces and top surface of the first outer frame plate 110 is 40-50°. The first connecting structure 121 includes wedge blocks 122 disposed at both ends of the first inner frame plate 120. The wedge block 122 has a protrusion on the side away from the first outer frame plate 110. The surface of the protrusion facing the first side frame 200 or the second side frame 300 is flat, and the surface of the protrusion away from the first side frame 200 or the second side frame 300 is arc-shaped. The second connecting structure 221 and the third connecting structure 321 are both provided with wedge grooves that cooperate with the wedge blocks 122. The wedge blocks 122 are inserted into the wedge grooves. The second inner frame plate 220 and the third inner frame plate 320 on the lower side of the two wedge grooves are provided with arc-shaped surfaces that cooperate with the protrusions.

[0030] Please see Figure 6 and Figure 7In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, the second outer frame plate 210 and the third outer frame plate 310 are provided with a first overlapping portion 311 on the side facing the first outer frame plate 110, and the first overlapping portion 311 mates with the surface of the first outer frame plate 110 facing the first inner frame plate 120. The second inner frame plate 220 and the third inner frame plate 320 are provided with a second overlapping portion 322 on the side facing the first inner frame plate 120, and the second overlapping portion 322 mates with the surface of the first inner frame plate 120 facing the first outer frame plate 110.

[0031] Please see Figure 2 In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, a second wing plate 211 is provided at the top and bottom of the side of the second outer frame plate 210 away from the second inner frame plate 220, and the two second wing plates 211 are provided with a plurality of bolt holes 400. A third wing plate 312 is provided at the top and bottom of the side of the third outer frame plate 310 away from the third inner frame plate 320, and the two third wing plates 312 are provided with a plurality of bolt holes 400. The second wing plates 211 and the third wing plates 312 are used to install the protective airtight door or to cooperate with the protective airtight door.

[0032] Please see Figure 1 , Figure 3 and Figure 4 In one example of the SMC door frame of the single-leaf thresholdless protective airtight door of this utility model, the second inner frame plate 220 is provided with a first lock hole 222 at its top and bottom respectively, and a first reinforcing part 223 is provided on the second inner frame plate 220 surrounding the two first lock holes 222. The third inner frame plate 320 is provided with a second lock hole 323 at its top and bottom respectively, and a second reinforcing part 324 is provided on the third inner frame plate 320 surrounding the two second lock holes 323. The first reinforcing part 223 and the second reinforcing part 324 are used to strengthen the structural strength at the lock hole.

[0033] Please see Figure 2In one example of the SMC door frame of this utility model single-leaf thresholdless protective airtight door, two parallel first strip plates 111 are provided on the surface of the first outer frame plate 110 away from the first inner frame plate 120 along the extending direction of the first outer frame plate 110. Two parallel second strip plates 212 are provided on the surface of the second outer frame plate 210 away from the second inner frame plate 220 along the extending direction of the second outer frame plate 210. Two parallel third strip plates 313 are provided on the surface of the third outer frame plate 310 away from the third inner frame plate 320 along the extending direction of the third outer frame plate 310. One end of each of the two first strip plates 111 engages with the top end of each of the two second strip plates 212, and the other end of each of the two first strip plates 111 engages with the top end of each of the two third strip plates 313. The first strip plates 111, second strip plates 212, and third strip plates 313 are used to install sealing strips and other sealing components.

[0034] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. Single leaf, no threshold, security, hermetically sealed door (SMC door frame) characterized in that, The utility model relates to a frame structure, including: top frame, the top frame includes first outer frame plate and first inner frame plate, the bottom of first outer frame plate is vertically fixedly connected with the side of first inner frame plate, and both ends of first inner frame plate are equipped with a first connecting structure respectively; first side frame, the first side frame includes second outer frame plate and second inner frame plate, and the side of second inner frame plate is vertically fixedly connected with the side of second outer frame plate towards top frame, one end of first outer frame plate cooperates with the top of second outer frame plate, and the top of second inner frame plate is equipped with second connecting structure, one end of first inner frame plate cooperates with the top of second inner frame plate, and first connecting structure and second connecting structure are inserted, and a plurality of first lock holes are equipped on second inner frame plate; Second side frame, the second side frame includes third outer frame plate and third inner frame plate, and the side of third inner frame plate is vertically fixedly connected with the side of third outer frame plate towards top frame, the other end of first outer frame plate cooperates with the top of third outer frame plate, and the top of third inner frame plate is equipped with third connecting structure, the other end of first inner frame plate cooperates with the top of third inner frame plate, and first connecting structure and third connecting structure are inserted, and a plurality of second lock holes are equipped on third inner frame plate; Wherein, a plurality of bolt holes are equipped on top frame, first side frame and second side frame.

2. The single swing no threshold security access door (SMC) frame according to claim 1, wherein, The included angle of the end face and top face of both ends of first outer frame plate is 40-50 DEG.

3. The single swing no threshold security access door (SMC) frame according to claim 1, wherein, First connecting structure includes the wedge-shaped block of being arranged at both ends of first inner frame plate, and the side of wedge-shaped block away from first outer frame plate is equipped with protruding portion, and the side surface of protruding portion towards first side frame or second side frame is plane, and the side surface of protruding portion away from first side frame or second side frame is arc surface.

4. The single leaf, no threshold, security, closed door (SMC) frame of claim 3, wherein, Second connecting structure and third connecting structure are all equipped with wedge-shaped groove matched with wedge-shaped block, and wedge-shaped block and wedge-shaped groove are inserted, and the arc surface matched with protruding portion is equipped on the second inner frame plate and third inner frame plate of the lower side of two wedge-shaped grooves.

5. The single swing no threshold security access door (SMC) frame according to claim 1, wherein, The side of second outer frame plate and third outer frame plate towards first outer frame plate is equipped with first lap joint, and the surface of first lap joint towards first inner frame plate side of first outer frame plate is matched.

6. The single leaf, no threshold, security, closed door (SMC) frame of claim 5, wherein, The side of second inner frame plate and third inner frame plate towards first inner frame plate is equipped with second lap joint, and the surface of second lap joint towards first outer frame plate side of first inner frame plate is matched.

7. The single swing no threshold security access door (SMC) frame according to claim 1, wherein, The top and bottom of the side of second outer frame plate away from second inner frame plate are equipped with a second wing plate respectively, and a plurality of bolt holes are equipped on two second wing plates.

8. The single swing no threshold security access door (SMC) frame according to claim 1, wherein, The top and bottom of the side of third outer frame plate away from third inner frame plate are equipped with a third wing plate respectively, and a plurality of bolt holes are equipped on two third wing plates.

9. The single swing no threshold security access door (SMC) frame according to claim 1, wherein, The top and bottom of the second inner frame plate are respectively provided with a first lock hole, and the periphery of the two first lock holes is respectively provided with a first reinforcing part.

10. The single swing no threshold security access door (SMC) frame according to claim 1, wherein, The surface of the first outer frame plate away from the first inner frame plate is provided with two first strip plates arranged in parallel along the extension direction of the first outer frame plate, the surface of the second outer frame plate away from the second inner frame plate is provided with two second strip plates arranged in parallel along the extension direction of the second outer frame plate, and the surface of the third outer frame plate away from the third inner frame plate is provided with two third strip plates arranged in parallel along the extension direction of the third outer frame plate.

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