SMC (Sheet Molding Compound) door frame pouring template for double-leaf threshold-free

Abstract

The utility model discloses an SMC (Sheet Molding Compound) door frame pouring template for a double-leaf threshold-free protective air-tight door, which comprises an inner frame template assembly, an outer frame template assembly, a support assembly and a through hole embedded part, and is characterized in that the inner frame template assembly comprises an inner frame top plate, an inner frame bottom plate and two inner frame side plates; the outer frame formwork assembly comprises two outer frame top plate assemblies and four outer frame side plates, the two outer frame top plate assemblies are detachably installed on the edges of the two sides of the top of an inner frame top plate, the two outer frame side plates are detachably installed on the edges of the two sides of the surfaces, away from each other, of the two inner frame side plates respectively, and the supporting assembly comprises a plurality of supporting rods. The top ends of the multiple supporting rods are detachably and fixedly connected with the two outer frame top plate assemblies and the four outer frame side plates correspondingly, the through hole embedded part comprises a plurality of embedded pipes, and an insertion rod is arranged in each embedded pipe in a penetrating mode. The device can assist in pouring the concrete outer frame, so that the SMC door frame of the double-leaf threshold-free protective airtight door can be conveniently mounted on the concrete outer frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protective sealing door, especially to the double-leaf door sill-free protective sealing door SMC door frame pouring formwork. BACKGROUND

[0002] The protective sealing door generally comprises a single-leaf protective sealing door and a double-leaf protective sealing door, and the protective sealing door should be able to block the shock wave and meet the corresponding resistance requirements. SMC composite material is a kind of glass steel, mainly composed of GF (special yarn), MD (filler) and various additives. SMC material has superior corrosion resistance, and has the advantages of light weight, easy engineering design, flexibility, etc. Its mechanical properties can be comparable to some metal materials. By adjusting the formula, SMC composite material has a series of advantages such as anti-static, flame retardant, good thermal stability, high strength, corrosion resistance, long service life, high production efficiency, etc.

[0003] The door frame of the existing protective sealing door is mostly made of steel material, and is mostly a whole door frame, which is heavy and inconvenient to transport and install. In order to overcome the above problems, our company develops a double-leaf door sill-free protective sealing door SMC door frame. In order to facilitate the installation of the door frame, a corresponding door frame pouring formwork is needed when pouring the concrete frame. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a double-leaf door sill-free protective sealing door SMC door frame pouring formwork, which can assist in pouring the concrete outer frame, so that the concrete outer frame is convenient to install the double-leaf door sill-free protective sealing door SMC door frame.

[0005] To achieve the above object and other related objects, the utility model provides a kind of double-leaf no threshold protective sealed door SMC door frame pouring formwork, it includes: inner frame template component, outer frame template component, support component and through-hole embedded part, the inner frame template component includes inner frame top plate, inner frame bottom plate and two inner frame side plates, the both ends of the inner frame top plate are respectively detachably fixed with the top end of two inner frame side plates, the both ends of the inner frame bottom plate are respectively detachably fixed with the bottom end of two inner frame side plates, the top surface of the inner frame top plate is equipped with two first limiting convex strips along the extension direction of the inner frame top plate, the surface of two inner frame side plates away from each other is respectively equipped with two second limiting convex strips along the extension direction of the inner frame side plate, the both ends of the first limiting convex strip are respectively matched with the end portion of the second limiting convex strip on two inner frame side plates;The outer frame template component includes two outer frame top plate components and four outer frame side plates, two outer frame top plate components are detachably installed at the two side edges of the top of the inner frame top plate, one outer frame side plate is detachably installed at the two side edges of the surface of two inner frame side plates away from each other, the both ends of each outer frame top plate component are respectively matched with the top of two outer frame side plates, the bottom edge of the side of two outer frame top plate components towards the inner frame top plate is respectively matched with two first limiting convex strips, the inner side edge of the side of four outer frame side plates towards two inner frame side plates is respectively matched with four second limiting convex strips, the both ends of the bottom of the surface of two outer frame top plates opposite are respectively equipped with a lug;The support component includes a plurality of support rods, the top end of a plurality of support rods is respectively detachably fixed with two outer frame top plate components, four outer frame side plates, the bottom end of a plurality of support rods is in abutment with ground or base surface;The through-hole embedded part includes a plurality of embedded pipes, the outer wall of both ends and middle of each embedded pipe is equipped with annular fin, one plug rod is arranged in each embedded pipe, the both ends of the plug rod are matched with the both ends of the embedded pipe, the both ends of the plug rod are respectively equipped with a plug, a plurality of insertion holes are arranged on the outer frame template component, the plug is matched with the insertion hole and is inserted.

[0006] In the utility model double-leaf no threshold protective sealed door SMC door frame pouring formwork one example, the surface of the inner frame top plate and the inner frame bottom plate opposite is respectively equipped with a plurality of first reinforcing bars, a plurality of first reinforcing bars are arranged along the extension direction of the inner frame top plate or the inner frame bottom plate.

[0007] In the utility model double-leaf no threshold protective sealed door SMC door frame pouring formwork one example, the surface of two inner frame side plates opposite is respectively equipped with a plurality of second reinforcing bars, a plurality of second reinforcing bars are arranged along the extension direction of two inner frame side plates, the end portion of a plurality of first reinforcing bars and a plurality of second reinforcing bars is matched.

[0008] In the utility model double -leaf no threshold protection closed door SMC door frame pouring formwork one example, the junction of the inner frame top plate and the inner frame side plate and the junction of the inner frame bottom plate and the inner frame side plate are equipped with a plurality of angle connecting blocks respectively, the angle connecting blocks are connected with the inner frame top plate and the inner frame side plate through bolt assembly respectively, or the angle connecting blocks are connected with the inner frame bottom plate and the inner frame side plate through bolt assembly respectively.

[0009] In the utility model double -leaf no threshold protection closed door SMC door frame pouring formwork one example, the inner frame template assembly still includes a plurality of inclined support plates, a plurality of inclined support plates are used for the connection and fixing of the inner frame top plate and the inner wall of the inner frame side plate, or for the connection and fixing of the inner frame bottom plate and the inner wall of the inner frame side plate.

[0010] In the utility model double -leaf no threshold protection closed door SMC door frame pouring formwork one example, the cross section of the first limiting convex strip and the second limiting convex strip is triangle.

[0011] In the utility model double -leaf no threshold protection closed door SMC door frame pouring formwork one example, the outer frame top plate assembly includes two first outer frame top plates and two second outer frame top plates, one end of two second outer frame top plates is matched, the other end of two second outer frame top plates is matched with one end of two first outer frame top plates respectively, and the other end of two first outer frame top plates is matched with the top of two outer frame side plates respectively.

[0012] In the utility model double -leaf no threshold protection closed door SMC door frame pouring formwork one example, the surface of four first outer frame top plates that are away from each other is equipped with third reinforcing rib assembly respectively, the bottom of four first outer frame top plates is equipped with a plurality of first bolt holes respectively, the surface of four second outer frame top plates that are away from each is equipped with fourth reinforcing rib assembly respectively, the bottom of four second outer frame top plates is equipped with a plurality of second bolt holes respectively, the both side edges of the inner frame top plate are equipped with a plurality of third bolt holes respectively, and a plurality of first bolt holes and a plurality of second bolt holes are matched with a plurality of third bolt holes respectively.

[0013] In the utility model double -leaf no threshold protection closed door SMC door frame pouring formwork one example, the surface of four outer frame side plates that are away from each other is equipped with fifth reinforcing rib assembly, the surface of two outer frame side plates that are oppositely arranged and matched with the same outer frame top plate assembly is equipped with a plurality of fourth bolt holes respectively, the both side edges of two inner frame side plates are equipped with a plurality of fifth bolt holes respectively, and a plurality of fourth bolt holes are matched with a plurality of fifth bolt holes.

[0014] In one example of the SMC door frame casting template for the double-leaf thresholdless protective airtight door of this utility model, the support component further includes several mounting blocks. The mounting blocks are respectively fixedly installed on the outer walls of the four first outer frame top plates, the four second outer frame top plates, and the four outer frame side plates. A connecting component is fixedly installed at the top of each support rod, and the connecting component is detachably and fixedly connected to the mounting block.

[0015] In one example of the SMC door frame casting template for the double-leaf thresholdless protective airtight door of this utility model, a number of insertion holes are provided on the four first outer frame top plates, the four second outer frame top plates, and the four outer frame side plates.

[0016] This utility model relates to a double-leaf thresholdless protective airtight door SMC door frame casting template. An inner frame template assembly forms the pre-reserved protective airtight door opening. An outer frame template assembly is installed on the outside of the inner frame template assembly to form a mold for concrete pouring. Supporting components are used to support and fix the outer frame template assembly. Through-hole embedded parts are installed inside the outer frame template assembly, and embedded pipes are installed using insert rods, thus reserving several through holes in the cast concrete frame for subsequent door frame installation. The first and second limiting protrusions facilitate the positioning and installation of the outer frame top plate assembly and outer frame side plates. The inner and outer frame template assemblies of this utility model are easier and faster to install, and offer good stability, reducing the difficulty and workload for workers. The cast concrete frame is compatible with the installation of double-leaf thresholdless protective airtight door SMC door frames, making the concrete frame pouring and door frame installation more standardized, thereby improving the quality of protective airtight doors in buildings. Attached Figure Description

[0017] Figure 1 This is a perspective view of an embodiment of the SMC door frame casting template for a double-leaf thresholdless protective airtight door of this utility model;

[0018] Figure 2 This is a side view of an embodiment of the SMC door frame casting template for a double-leaf thresholdless protective airtight door of this utility model;

[0019] Figure 3 This is a schematic diagram of the inner frame template assembly in one embodiment of the SMC door frame casting template for a double-leaf thresholdless protective airtight door of this utility model.

[0020] Figure 4 This is a schematic diagram of the outer frame template assembly in one embodiment of the SMC door frame casting template for a double-leaf thresholdless protective airtight door of this utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the top plate of the first outer frame in one embodiment of the SMC door frame casting template for the double-leaf thresholdless protective airtight door of this utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the top plate of the second outer frame in one embodiment of the SMC door frame casting template for the double-leaf thresholdless protective airtight door of this utility model;

[0023] Figure 7 This is a schematic diagram of the outer frame side plate in one embodiment of the SMC door frame casting template for the double-leaf thresholdless protective airtight door of this utility model;

[0024] Figure 8 This is a partial structural diagram of the support component in one embodiment of the SMC door frame casting template for a double-leaf thresholdless protective airtight door of this utility model.

[0025] Figure 9 This is a schematic diagram of the through-hole embedded part in one embodiment of the SMC door frame casting template for the double-leaf thresholdless protective airtight door of this utility model.

[0026] Component designation:

[0027] 100. Inner frame template assembly; 110. Inner frame top plate; 111. First limiting protrusion; 112. First reinforcing rib; 113. Third bolt hole; 120. Inner frame bottom plate; 130. Inner frame side plate; 131. Second reinforcing rib; 132. Second limiting protrusion; 133. Fifth bolt hole; 140. Corner connecting block; 150. Inclined support plate; 200. Outer frame template assembly; 210. Outer frame top plate assembly; 211. Protrusion; 212. Third bolt hole; 213. Top plate of outer frame; 214. Top plate of outer shell; 215. Third reinforcing rib assembly; 216. Fourth reinforcing assembly; 227. Side plate of outer frame; 228. Fifth reinforcing rib assembly; 229. Fourth bolt hole; 230. Insertion hole; 300. Support assembly; 310. Support rod; 320. Mounting block; 330. Connecting assembly; 400. Through hole embedded part; 410. Embedded pipe; 411. Annular wing plate; 420. Insert rod; 421. Plug. Detailed Implementation

[0028] 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.

[0029] 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.

[0030] Please see Figures 1 to 9This utility model provides a double-leaf thresholdless protective airtight door SMC door frame casting template, which includes: an inner frame template assembly 100, an outer frame template assembly 200, a support assembly 300, and a through-hole embedded part 400. The inner frame template assembly 100 includes an inner frame top plate 110, an inner frame bottom plate 120, and two inner frame side plates 130. The two ends of the inner frame top plate 110 are detachably and fixedly connected to the top ends of the two inner frame side plates 130, respectively. The two ends of the inner frame bottom plate 120 are respectively... The bottom ends of the two inner frame side plates 130 are detachably and fixedly connected. Two first limiting protrusions 111 are provided on the top surface of the inner frame top plate 110 along the extending direction of the inner frame top plate 110. Two second limiting protrusions 132 are provided on the opposing surfaces of the two inner frame side plates 130 along the extending direction of the inner frame side plates 130. The two ends of the first limiting protrusions 111 respectively cooperate with the ends of the second limiting protrusions 132 on the two inner frame side plates 130. The outer frame template assembly 200 includes two outer frame top plate assemblies 210 and four outer frame side plates 220. The two outer frame top plate assemblies 210 are detachably installed on the two side edges of the top of the inner frame top plate 110. One outer frame side plate 220 is detachably installed on the two side edges of the opposing surfaces of the two inner frame side plates 130. The two ends of each outer frame top plate assembly 210 are respectively engaged with the top of the two outer frame side plates 220. The bottom edges of the two outer frame top plate assemblies 210 facing the inner frame top plate 110 are respectively engaged with the two first limiting protrusions 111. The inner edges of the four outer frame side plates 220 facing the two inner frame side plates 130 are respectively engaged with the four second limiting protrusions 132. A protrusion 211 is provided at each end of the bottom of the opposing surfaces of the two outer frame top plate assemblies 210. The support assembly 300 includes a plurality of support rods 310, the top ends of which are detachably and fixedly connected to two outer frame top plate assemblies 210 and four outer frame side plates 220, respectively, and the bottom ends of which abut against the ground or base surface. The through-hole embedded part 400 includes a plurality of embedded pipes 410, each of which has an annular wing plate 411 on its outer wall at both ends and in the middle. Each embedded pipe 410 has an insert rod 420 inserted through it, the two ends of which mate with the two ends of the embedded pipe 410. Each end of the insert rod 420 has a plug 421. The outer frame template assembly 200 has a plurality of insertion holes 230, and the plug 421 mates with the insertion holes 230 for insertion.

[0031] When using this utility model, first install the inner frame template assembly 100, place the inner frame bottom plate 120 on the bottom surface or base surface of the designated position, then fix the bottom ends of the two inner frame side plates 130 to the two ends of the inner frame bottom plate 120, and then fix the two ends of the inner frame top plate 110 to the top ends of the two inner frame side plates 130 to complete the installation of the inner frame template assembly 100. Then fix an outer frame top plate assembly 210 and two outer frame side plates 220 on one side of the inner frame template assembly 100, and use several support rods 310 to support and fix the outer frame top plate assembly 210 and outer frame side plates 220. Then insert the plugs 421 at one end of several plugs 420 on the through hole pre-embedded parts 400 into several plug holes 230 on the outer frame top plate assembly 210 and outer frame side plates 220 to complete the installation of several pre-embedded pipes 410. Then, the reinforcing cage is installed on the outside of the inner frame formwork assembly 100. Another outer frame top plate assembly 210 and two outer frame side plates 220 are then fixedly installed on the other side of the inner frame formwork assembly 100. The plugs 421 at the other end of several plug rods 420 are inserted into several holes 230 on the outer frame top plate assembly 210 and the outer frame side plates 220. Finally, several support rods 310 are used to support and fix the outer frame top plate assembly 210 and the outer frame side plates 220, thereby completing the installation of the entire casting formwork.

[0032] The first limiting protrusion 111 and the second limiting protrusion 132 facilitate the positioning and installation of the outer frame top plate assembly 210 and the outer frame side plate 220. The protrusion 211 can create corresponding grooves in the poured concrete frame for subsequent door frame installation. The inner frame template assembly 100 and the outer frame template assembly 200 of this utility model are easier and faster to install, and have good stability, which can reduce the difficulty and workload of workers. The poured concrete frame can be adapted to the installation of double-leaf thresholdless protective airtight door SMC door frame, which can make the pouring of concrete frame and the installation of door frame more standardized, thereby improving the quality of the protective airtight door of the building.

[0033] Please see Figure 3 In an example of the SMC door frame casting template for a double-leaf thresholdless protective airtight door of this utility model, a plurality of first reinforcing ribs 112 are respectively provided on the opposing surfaces of the inner frame top plate 110 and the inner frame bottom plate 120, and the plurality of first reinforcing ribs 112 are arranged along the extending direction of the inner frame top plate 110 or the inner frame bottom plate 120. A plurality of second reinforcing ribs 131 are respectively provided on the opposing surfaces of the two inner frame side plates 130, and the plurality of second reinforcing ribs 131 are arranged along the extending direction of the two inner frame side plates 130, and the ends of the plurality of first reinforcing ribs 112 and the plurality of second reinforcing ribs 131 are engaged. The first reinforcing ribs 112 and the second reinforcing ribs 131 are used to strengthen the structural strength.

[0034] Please see Figure 3In an example of the SMC door frame casting template for a double-leaf thresholdless protective airtight door of this utility model, several corner connecting blocks 140 are respectively provided at the connection points between the inner frame top plate 110 and the inner frame side plate 130, and at the connection points between the inner frame bottom plate 120 and the inner frame side plate 130. The corner connecting blocks 140 are connected to the inner frame top plate 110 and the inner frame side plate 130 respectively via bolt assemblies, or the corner connecting blocks 140 are connected to the inner frame bottom plate 120 and the inner frame side plate 130 respectively via bolt assemblies. The corner connecting blocks 140 are used for connecting and installing the inner frame template assembly 100. The detachable installation of the inner frame template assembly 100 can be completed by using bolts and nuts in conjunction with several corner connecting blocks 140.

[0035] Please see Figure 3 In an example of the SMC door frame casting template for a double-leaf thresholdless protective airtight door of this utility model, the inner frame template assembly 100 further includes several inclined support plates 150. These inclined support plates 150 are used for connecting and fixing the inner frame top plate 110 to the inner wall of the inner frame side plate 130, or for connecting and fixing the inner frame bottom plate 120 to the inner wall of the inner frame side plate 130. The cross-sections of the first limiting protrusion 111 and the second limiting protrusion 132 are both triangular. The inclined support plates 150 effectively enhance the structural stability of the inner frame template assembly 100.

[0036] Please see Figures 4 to 7In an example of the SMC door frame casting template for the double-leaf thresholdless protective airtight door of this utility model, the outer frame top plate assembly 210 includes two first outer frame top plates 212 and two second outer frame top plates 213. One end of the two second outer frame top plates 213 is engaged with each other, and the other end of the two second outer frame top plates 213 is engaged with one end of the two first outer frame top plates 212 respectively. The other end of the two first outer frame top plates 212 is engaged with the top of the two outer frame side plates 220 respectively. Each of the four opposing surfaces of the first outer frame top plates 212 is provided with a third reinforcing rib assembly 214. The bottom of each of the four first outer frame top plates 212 is provided with a plurality of first bolt holes. Each of the four opposing surfaces of the second outer frame top plates 213 is provided with a fourth reinforcing rib assembly 215. The bottom of each of the four second outer frame top plates 213 is provided with a plurality of second bolt holes. The two side edges of the inner frame top plate 110 are provided with a plurality of third bolt holes 113. The plurality of first bolt holes and the plurality of second bolt holes respectively mate with the plurality of third bolt holes 113. Each of the four opposing surfaces of the four outer frame side plates 220 is provided with a fifth reinforcing rib assembly 221. The surfaces of two outer frame side plates 220 that mate with the same outer frame top plate assembly 210 are respectively provided with a plurality of fourth bolt holes 222. The two side edges of the two inner frame side plates 130 are respectively provided with a plurality of fifth bolt holes 133. The plurality of fourth bolt holes 222 mate with the plurality of fifth bolt holes 133. The outer frame template assembly 200 and the inner frame template assembly 100 are detachably connected by bolts and nuts.

[0037] Please see Figures 4 to 7 In an example of the SMC door frame casting template for a double-leaf thresholdless protective airtight door of this utility model, the support component 300 further includes several mounting blocks 320. These mounting blocks 320 are respectively fixedly installed on the outer walls of the four first outer frame top plates 212, the four second outer frame top plates 213, and the four outer frame side plates 220. A connecting component 330 is fixedly installed at the top of each support rod 310, and the connecting component 330 is detachably and fixedly connected to the mounting block 320. Several insertion holes 230 are provided on each of the four first outer frame top plates 212, the four second outer frame top plates 213, and the four outer frame side plates 220. The connecting component 330 is detachably connected to the mounting block 320 by bolts. It should be noted that the bolts and nuts are not shown in the accompanying drawings.

[0038] 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. A double-leaf thresholdless protective airtight door SMC door frame casting template, characterized in that, include: An inner frame template assembly includes an inner frame top plate, an inner frame bottom plate, and two inner frame side plates. The two ends of the inner frame top plate are detachably and fixedly connected to the top ends of the two inner frame side plates, and the two ends of the inner frame bottom plate are detachably and fixedly connected to the bottom ends of the two inner frame side plates, respectively. Two first limiting protrusions are provided on the top surface of the inner frame top plate along the extending direction of the inner frame top plate, and two second limiting protrusions are provided on the opposing surfaces of the two inner frame side plates along the extending direction of the inner frame side plates, respectively. The two ends of the first limiting protrusions respectively cooperate with the ends of the second limiting protrusions on the two inner frame side plates. The outer frame template assembly includes two outer frame top plate assemblies and four outer frame side plates. The two outer frame top plate assemblies are detachably installed on the two side edges of the top of the inner frame top plate. One outer frame side plate is detachably installed on each side edge of the opposite surface of the two inner frame side plates. The two ends of each outer frame top plate assembly are respectively engaged with the top of the two outer frame side plates. The bottom edges of the two outer frame top plate assemblies facing the inner frame top plate are respectively engaged with two first limiting protrusions. The inner edges of the four outer frame side plates facing the two inner frame side plates are respectively engaged with four second limiting protrusions. A protrusion is provided at each end of the bottom of the opposite surface of the two outer frame top plates. The support assembly includes a plurality of support rods, the top ends of which are detachably and fixedly connected to two outer frame top plate assemblies and four outer frame side plates, respectively, and the bottom ends of which abut against the ground or base surface. The through-hole embedded component includes several embedded pipes. Each embedded pipe has an annular wing plate on its outer wall at both ends and in the middle. Each embedded pipe has a plug inserted inside it. The two ends of the plug are engaged with the two ends of the embedded pipe. Each end of the plug is provided with a plug. The outer frame template assembly has several insertion holes. The plug is engaged with the insertion holes.

2. The SMC door frame casting template for a double-leaf thresholdless protective airtight door as described in claim 1, characterized in that, The inner frame top plate and the inner frame bottom plate are respectively provided with a plurality of first reinforcing ribs on their opposing surfaces, and the plurality of first reinforcing ribs are provided along the extending direction of the inner frame top plate or the inner frame bottom plate.

3. The SMC door frame casting template for a double-leaf thresholdless protective airtight door as described in claim 2, characterized in that, The two inner frame side plates are respectively provided with a plurality of second reinforcing ribs on their opposing surfaces. The plurality of second reinforcing ribs are provided along the extension direction of the two inner frame side plates, and the ends of the plurality of first reinforcing ribs and the plurality of second reinforcing ribs are engaged.

4. The SMC door frame casting template for a double-leaf thresholdless protective airtight door as described in claim 3, characterized in that, Several corner connecting blocks are provided at the connection points between the inner frame top plate and the inner frame side plate, and at the connection points between the inner frame bottom plate and the inner frame side plate. The corner connecting blocks are connected to the inner frame top plate and the inner frame side plate respectively by bolt assemblies, or the corner connecting blocks are connected to the inner frame bottom plate and the inner frame side plate respectively by bolt assemblies.

5. The SMC door frame casting template for a double-leaf thresholdless protective airtight door as described in claim 3, characterized in that, The inner frame template assembly also includes several inclined support plates, which are used for connecting and fixing the top plate of the inner frame to the inner wall of the side plate of the inner frame, or for connecting and fixing the bottom plate of the inner frame to the inner wall of the side plate of the inner frame.

6. The SMC door frame casting template for a double-leaf thresholdless protective airtight door as described in claim 1, characterized in that, The outer frame top plate assembly includes two first outer frame top plates and two second outer frame top plates. One end of the two second outer frame top plates is engaged with each other, and the other end of the two second outer frame top plates is engaged with one end of the two first outer frame top plates respectively. The other end of the two first outer frame top plates is engaged with the top of the two outer frame side plates respectively.

7. The SMC door frame casting template for a double-leaf thresholdless protective airtight door as described in claim 6, characterized in that, Each of the four opposing surfaces of the first outer frame top plates is provided with a third reinforcing rib assembly. Each of the four first outer frame top plates is provided with a plurality of first bolt holes at its bottom. Each of the four second outer frame top plates is provided with a fourth reinforcing rib assembly on its opposing surface. Each of the four second outer frame top plates is provided with a plurality of second bolt holes at its bottom. Each of the two sides of the inner frame top plate is provided with a plurality of third bolt holes. The plurality of first bolt holes and the plurality of second bolt holes respectively mate with the plurality of third bolt holes.

8. The SMC door frame casting template for a double-leaf thresholdless protective airtight door as described in claim 7, characterized in that, A fifth reinforcing rib assembly is provided on the opposing surfaces of the four outer frame side plates. A plurality of fourth bolt holes are provided on the opposing surfaces of the two outer frame side plates that cooperate with the same outer frame top plate assembly. A plurality of fifth bolt holes are provided at the two side edges of the two inner frame side plates. The plurality of fourth bolt holes cooperate with the plurality of fifth bolt holes.

9. The SMC door frame casting template for a double-leaf thresholdless protective airtight door as described in claim 8, characterized in that, The support assembly further includes several mounting blocks, which are respectively fixedly installed on the outer walls of the four first outer frame top plates, the four second outer frame top plates, and the four outer frame side plates. A connecting component is fixedly installed at the top of each support rod, and the connecting component is detachably and fixedly connected to the mounting block.

10. The SMC door frame casting template for a double-leaf thresholdless protective airtight door as described in claim 6, characterized in that, Each of the four first outer frame top plates, the four second outer frame top plates, and the four outer frame side plates is provided with a plurality of the aforementioned insertion holes.

Images