Explosion-proof safety door convenient to assemble

Abstract

The utility model relates to the technical field of explosion-proof safety doors, in particular to an explosion-proof safety door convenient to assemble, which comprises a door frame assembly, the door frame assembly comprises two vertical plates and transverse plates inserted at the two ends of the vertical plates, door bodies are symmetrically hinged in the middle of the door frame assembly, clamping grooves are arranged at the two ends of the vertical plates, and fixing strips are arranged in the connecting grooves. An adjusting assembly is arranged on the front end face of the door body away from the hinged end. According to the explosion-proof safety door convenient to assemble, under the cooperation of the two vertical plates and the two transverse plates and the insertion cooperation of clamping columns and clamping grooves, the door frame assembly is rapidly assembled and combined, the position is fixed under the cooperation of fixing bolts, the door body is matched with an adjusting assembly, and under the cooperation of a screwing handle, the insertion cooperation of corresponding pin shafts and pin holes in the transverse plates is achieved; the combination stability of the door bodies and the transverse plates is improved, the vertical plates are matched with the fixing strips with the positioning plates, stable installation and fixation of the vertical plates and the external wall are facilitated, the sealing strips are matched with the sealing grooves in an inserted mode, and the sealing performance between the door bodies is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof safety doors, in particular to an explosion-proof safety door convenient for assembly. Background Technique

[0002] An explosion-proof door is an anti-explosion protection device that resists accidental explosions outside industrial buildings, protects the lives of personnel, keeps the equipment inside industrial buildings intact, is not harmed by the explosion shock wave, and effectively prevents the continuation of explosion hazards;

[0003] The utility model with the publication number of CN219197164U discloses a safety door for fire and explosion protection, including a U-shaped door frame and a door panel. A limiting groove is arranged on the inner surface of one side of the U-shaped door frame. U-shaped sliding blocks are arranged at the front end and one side of the back of the door panel. Heat insulation plates are arranged at the bottoms of both sides of the U-shaped sliding block. A rotating round shaft is arranged inside one side of the door panel. A limiting block is arranged on the outer surface of one end of the rotating round shaft, and a lock block is arranged at the other end of the rotating round shaft;

[0004] In the above technical solution, by arranging a fixed shaft, it can prevent the connection between the safety door and the door frame bracket from being single, avoid the hinge being unable to withstand the shock wave generated by the explosion of the safety door, resulting in damage to the safety door and potential casualties to nearby personnel. Using the fixed shaft made of high-carbon chromium bearing steel, it can have good hardness and wear resistance, and strengthen the stability between the door panel and the U-shaped door frame when an explosion occurs; however, the explosion-proof safety door is not convenient for assembly and use, the combination installation between the door frame and the external wall is unstable, the explosion-proof safety door is not convenient for sealing installation with the door frame, and it is not convenient to increase the sealing performance of the door body. Content of the Utility Model

[0005] The purpose of the utility model is to provide an explosion-proof safety door convenient for assembly to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution:

[0007] An explosion-proof safety door convenient for assembly, including a door frame assembly. The door frame assembly includes two vertical plates and horizontal plates inserted and installed at both ends of the vertical plates. A door body is symmetrically hinged in the middle of the door frame assembly. Card slots are opened at both ends of the vertical plates, connection grooves are opened on the outer sides of the vertical plates, fixing strips are arranged in the connection grooves, positioning plates are arranged on the outer walls of the fixing strips, clamping columns are arranged at the corresponding positions of the two ends of the lower surface of the horizontal plate and the card slots, and an adjusting assembly is arranged at the end of the front surface of the door body away from the hinge.

[0008] Preferably, the adjusting component includes a worm gear and a worm that meshes with the side wall of the worm gear. The worm gear is rotatably connected to the door body. One end of the worm gear extending out of the door body is provided with a turning handle. One end of the worm is provided with a positive lead screw, and the other end of the worm is provided with a reverse lead screw. Chutes are opened at the corresponding positions of the upper and lower ends of the door body corresponding to the worm. The ends of the positive lead screw and the reverse lead screw are both provided with pin shafts, and screw holes are opened at the ends of the pin shafts.

[0009] In the present utility model, the setting of the turning handle helps to manually rotate and adjust the rotation of the worm gear. Under the meshing cooperation of the worm gear and the worm, the rotation of the worm gear drives the rotation of the worm. The pin shaft is threadedly connected to the positive lead screw and the reverse lead screw through the screw hole, realizing the up and down movement of the pin shaft on the positive lead screw and the reverse lead screw.

[0010] Preferably, a limiting plate is provided between the two vertical plates and the two horizontal plates. The outer walls of the limiting plates are fixedly connected to the vertical plates and the horizontal plates through screws.

[0011] In the present utility model, the setting of the limiting plate helps to perform corresponding position limitation on the door body, avoiding the deviation of the door body in the middle of the door frame assembly and affecting the overall sealing and explosion-proof use.

[0012] Preferably, the width of the inner wall of the card slot is adapted to the width of the outer wall of the card post. Counterbores communicating with the card slot are opened on the outer walls of the vertical plates. Screw grooves corresponding to the counterbores are opened on the outer walls of the card posts, and fixing bolts are provided in the screw grooves.

[0013] In the present utility model, the card post is inserted and matched with the card slot, and the fixing bolt passes through the counterbore and is threadedly connected to the screw groove, increasing the installation stability of the horizontal plate and the vertical plate and facilitating assembly and use.

[0014] Preferably, the width of the inner wall of the connecting groove is adapted to the width of the outer wall of the fixing strip. The positioning plate and the fixing strip are of an integrally formed structure, and positioning holes are opened at both ends of the positioning plate.

[0015] In the present utility model, the fixing strip is inserted and matched with the connecting groove, and with the cooperation of the positioning plate with positioning holes, an external expansion bolt passes through the positioning hole to realize the combined installation of the fixing strip and the external wall, and further realize the combined installation of the vertical plate and the wall.

[0016] Preferably, a pin hole is opened on the horizontal plate corresponding to the pin shaft, and the width of the inner wall of the pin hole is adapted to the width of the outer wall of the pin shaft.

[0017] In the present utility model, the pin shaft is inserted and matched with the pin hole, increasing the combination stability between the door body and the door frame assembly, reducing the separation of the door body and the door frame assembly caused by external collisions, and affecting the explosion-proof plugging use.

[0018] Preferably, the door bodies are all rotatably connected to the vertical plates through hinges. A symmetrical sealing strip is provided at one end of one of the door bodies away from the hinge, and a sealing groove is formed at the corresponding position of the other door body for the sealing strip.

[0019] In the present utility model, the sealing strip is adhesively fixed to one of the door bodies, and the sealing strip is inserted and matched with the sealing groove correspondingly to achieve the sealing performance when the two door bodies are closed. Moreover, the door body is composed of a mixture of explosion-proof steel and fire-resistant materials to enhance the explosion-proof and fire-resistant properties of the door body.

[0020] Preferably, the worm gear is rotatably connected to the door body, the worm is rotatably connected to the door body, the worm gear meshes with the worm, the positive lead screw and the reverse lead screw are both integrally formed with the worm, and the inner diameter of the screw hole is adapted to the diameters of the reverse lead screw and the positive lead screw.

[0021] In the present utility model, the arrangement of the positive lead screw and the reverse lead screw helps the two pin shafts to move towards each other synchronously, and the pin shafts are inserted and matched with the corresponding pin holes to achieve the fixed cooperation of the position of the door body.

[0022] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0023] 1. In the present utility model, through the cooperation of two vertical plates and two horizontal plates, and the insertion and matching of the clamping posts and the clamping grooves, the rapid assembly and combination of the door frame assembly are realized. With the cooperation of the fixing bolts, the position is fixed. The cooperation of the limiting plates helps to limit the positions of the two door bodies, increasing the stability during closing. Moreover, the door bodies are all equipped with adjusting components, and with the cooperation of the turning knobs, the corresponding pin shafts are inserted and matched with the pin holes on the horizontal plates, increasing the stability of the combination of the door bodies and the horizontal plates. The vertical plates are equipped with fixing strips with positioning plates, which helps to stably install and fix the vertical plates to the external wall. When the two door bodies are closed, the sealing strip is inserted and matched with the sealing groove, increasing the sealing performance between the door bodies.

[0024] 2. In the present utility model, the setting of the turning knobs helps to manually rotate and adjust the positions of the pin shafts. When the pin shafts are away from the pin holes, it helps the door bodies to open. The insertion and matching of the pin shafts and the pin holes help to fix the positions of the door bodies during closing. Handles are provided at both outer walls of the door bodies away from the hinge end, facilitating manual opening or closing operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0026] Figure 2 is a schematic diagram of the open state of the door body of the present utility model;

[0027] Figure 3 is a schematic diagram of the structure of the door frame assembly of the present utility model;

[0028] Figure 4Schematic diagram of the combined structure of the door body and the adjustment component of the present utility model;

[0029] Figure 5 Schematic diagram of the overall sectional structure of the present utility model.

[0030] The meanings of each label in the figure are as follows:

[0031] 1. Door frame assembly; 10. Vertical plate; 100. Card slot; 101. Counterbore; 102. Connection groove; 11. Horizontal plate; 110. Card column; 111. Threaded groove; 112. Fixed bolt; 12. Fixed strip; 120. Positioning plate; 121. Positioning hole; 13. Pin hole; 14. Limiting plate;

[0032] 2. Door body; 20. Slide groove; 21. Sealing strip; 22. Sealing groove;

[0033] 3. Adjustment component; 30. Worm gear; 300. Wrench; 31. Worm; 310. Positive lead screw; 311. Reverse lead screw; 32. Pin shaft; 320. Threaded hole. Specific implementation mode

[0034] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0035] Please refer to Figures 1 - 5 , this embodiment provides a technical solution:

[0036] An explosion-proof safety door convenient for assembly, including a door frame assembly 1. The door frame assembly 1 includes two vertical plates 10 and a horizontal plate 11 inserted and installed at both ends of the vertical plates 10. A limiting plate 14 is provided between the two vertical plates 10 and the two horizontal plates 11. The outer walls of the limiting plate 14 are fixedly connected to the vertical plates 10 and the horizontal plates 11 by screws.

[0037] In the present utility model, the setting of the limiting plate 14 helps to perform corresponding position limiting and matching on the door body 2, avoiding the offset of the door body 2 in the middle of the door frame assembly 1 and affecting the overall sealing and explosion-proof use.

[0038] Furthermore, the width of the inner wall of the card slot 100 is adapted to the width of the outer wall of the card column 110. Counterbores 101 communicating with the card slot 100 are opened on the outer walls of the vertical plates 10. Threaded grooves 111 corresponding to the counterbores 101 are opened on the outer walls of the card columns 110, and fixed bolts 112 are provided in the threaded grooves 111.

[0039] In the present utility model, the clamping post 110 is inserted and cooperated with the clamping groove 100, and the fixing bolt 112 passes through the counterbore 101 and is threadedly connected with the screw groove 111, which increases the installation stability of the horizontal plate 11 and the vertical plate 10 and is convenient for assembly and use.

[0040] Specifically, a door body 2 is symmetrically hinged in the middle of the door frame assembly 1. Clamping grooves 100 are provided at both ends of the vertical plate 10, and connecting grooves 102 are provided on the outer side surfaces of the vertical plates 10. Fixing strips 12 are provided in the connecting grooves 102, positioning plates 120 are provided on the outer walls of the fixing strips 12, clamping posts 110 are provided at the two ends of the lower surface of the horizontal plate 11 corresponding to the clamping grooves 100. The width of the inner wall of the connecting groove 102 is adapted to the width of the outer wall of the fixing strip 12. The positioning plate 120 and the fixing strip 12 are integrally formed structures, and positioning holes 121 are provided at both ends of the positioning plate 120.

[0041] In the present utility model, the fixing strip 12 is inserted and cooperated with the connecting groove 102, and with the cooperation of the positioning plate 120 with the positioning holes 121, an external expansion bolt passes through the positioning holes 121 to realize the combined installation of the fixing strip 12 and the external wall, and further realize the combined installation of the vertical plate 10 and the wall.

[0042] It should be noted that a pin hole 13 is provided at the position corresponding to the pin shaft 32 on the horizontal plate 11, and the width of the inner wall of the pin hole 13 is adapted to the width of the outer wall of the pin shaft 32.

[0043] In the present utility model, the pin shaft 32 is inserted and cooperated with the pin hole 13, which increases the combination stability between the door body 2 and the door frame assembly 1, reduces the separation of the door body 2 and the door frame assembly 1 caused by external collision, and affects the explosion-proof plugging use.

[0044] Furthermore, the door bodies 2 are all rotatably connected to the vertical plates 10 through hinges. Symmetrical sealing strips 21 are provided at one end of one door body 2 away from the hinge, and a sealing groove 22 is provided at the position corresponding to the sealing strip 21 on the other door body 2.

[0045] In the present utility model, the sealing strip 21 is adhesively fixed to one of the door bodies 2, and the sealing strip 21 is inserted and cooperated with the sealing groove 22 to realize the sealing between the two door bodies 2. Moreover, the door body 2 is composed of a mixture of explosion-proof steel and refractory materials, which increases the explosion-proof and fire-resistant properties of the door body 2.

[0046] Specifically, an adjusting assembly 3 is provided at one end of the front end surface of the door body 2 away from the hinge.

[0047] It is worth adding that the adjusting component 3 includes a worm gear 30 and a worm 31 meshing with the side wall of the worm gear 30. The worm gear 30 is rotatably connected to the door body 2. One end of the worm gear 30 extending out of the door body 2 is provided with a turning handle 300. One end of the worm 31 is provided with a positive lead screw 310, and the other end of the worm 31 is provided with a reverse lead screw 311. Chutes 20 are opened at the upper and lower ends of the door body 2 corresponding to the worm 31. Pin shafts 32 are provided at the ends of the positive lead screw 310 and the reverse lead screw 311, and screw holes 320 are opened at the ends of the pin shafts 32.

[0048] In the present utility model, the setting of the turning handle 300 helps to manually rotate the worm gear 30 for rotational cooperation. Under the meshing cooperation of the worm gear 30 and the worm 31, the rotation of the worm gear 30 drives the rotation of the worm 31. The pin shaft 32 is threadedly connected to the positive lead screw 310 and the reverse lead screw 311 through the screw hole 320, realizing the up and down movement of the pin shaft 32 on the positive lead screw 310 and the reverse lead screw 311.

[0049] Secondly, the worm gear 30 is rotatably connected to the door body 2, the worm 31 is rotatably connected to the door body 2, the worm gear 30 meshes with the worm 31, the positive lead screw 310 and the reverse lead screw 311 are integrally formed with the worm 31, and the inner diameter of the screw hole 320 is adapted to the diameters of the reverse lead screw 311 and the positive lead screw 310.

[0050] In the present utility model, the setting of the positive lead screw 310 and the reverse lead screw 311 helps the two pin shafts 32 to move synchronously towards each other, and the pin shaft 32 is inserted and matched with the corresponding pin hole 13, realizing the fixed cooperation of the position of the door body 2.

[0051] When the explosion-proof safety door that is convenient for assembly in this embodiment is in use, the user first installs the adjusting component 3 on the door body 2 correspondingly. The worm gear 30 with the turning handle 300 meshes with the worm 31, and both the positive lead screw 310 and the reverse lead screw 311 are rotatably connected to the corresponding door body 2. The pin shaft 32 is threadedly connected to the positive lead screw 310 and the reverse lead screw 311 through the screw hole 320, and the pin shaft 32 is received in the chute 20. Then, the two cross plates 11 and the two vertical plates 10 are inserted into the card slots 100 through the clamping posts 110, and the fixing bolts 112 pass through the counter bores 101 and are threadedly connected to the screw grooves 111, realizing the combined fixation of the cross plate 11 and the vertical plate 10. Then, the fixing strip 12 with the positioning plate 120 is inserted and matched with the connecting groove 102, and the external expansion bolts pass through the positioning holes 121 and are fixed to the wall, realizing the fixed installation of the door frame assembly 1. Then, the door body 2 is fixedly connected to the vertical plate 10 through the hinge;

[0052] When the door body 2 needs to be closed with the door frame assembly 1, under the cooperation of the handle on the outer wall of the door body 2, the door body 2 is closely attached to the door frame assembly 1. Under the cooperation of the limit plate 14, the closing position of the door body 2 is limited. Finally, by rotating the turning knob 300, the pin shaft 32 is adjusted to extend out of the sliding groove 20. Under the cooperation of the positive lead screw 310 and the reverse lead screw 311, the pin shaft 32 extends out of the door body 2 and is inserted into the pin hole 13 on the cross plate 11, realizing the stable installation and cooperation of the door body 2 and the door frame assembly 1. The overall combined installation is convenient and the operation is simple.

Claims

1. An explosion-proof safety door that is convenient for assembly, including a door frame assembly (1), the door frame assembly (1) includes two vertical plates (10) and a horizontal plate (11) inserted and installed at both ends of the vertical plate (10), and a door body (2) is symmetrically hinged in the middle of the door frame assembly (1), and is characterized in that: Both ends of the vertical plate (10) are provided with clamping grooves (100), connecting grooves (102) are provided on the outer side surfaces of the vertical plates (10), fixing strips (12) are provided in the connecting grooves (102), positioning plates (120) are provided on the outer walls of the fixing strips (12), clamping posts (110) are provided at the corresponding positions of the two ends of the lower surface of the horizontal plate (11) corresponding to the clamping grooves (100), and an adjusting assembly (3) is provided at the end of the front end face of the door body (2) far from the hinge end.

2. The explosion-proof safety door convenient for assembly according to claim 1, wherein: The adjusting assembly (3) includes a worm wheel (30) and a worm (31) meshing with the side wall of the worm wheel (30). The worm wheel (30) is rotatably connected to the door body (2). One end of the worm wheel (30) extending out of the door body (2) is provided with a turning handle (300). One end of the worm (31) is provided with a positive lead screw (310), and the other end of the worm (31) is provided with a reverse lead screw (311). Sliding grooves (20) are provided at the corresponding positions of the upper and lower ends of the door body (2) corresponding to the worm (31). Pin shafts (32) are provided at the ends of the positive lead screw (310) and the reverse lead screw (311), and screw holes (320) are provided at the ends of the pin shafts (32).

3. The explosion-proof safety door convenient for assembly according to claim 1, characterized in that: A limiting plate (14) is provided between the two vertical plates (10) and the two horizontal plates (11). The outer walls of the limiting plates (14) are fixedly connected to the vertical plates (10) and the horizontal plates (11) by screws.

4. The explosion-proof safety door convenient for assembly according to claim 1, wherein: The width of the inner wall of the clamping groove (100) is adapted to the width of the outer wall of the clamping post (110). Counterbores (101) communicating with the clamping grooves (100) are provided on the outer walls of the vertical plates (10). Screw grooves (111) corresponding to the counterbores (101) are provided on the outer walls of the clamping posts (110), and fixing bolts (112) are provided in the screw grooves (111).

5. The explosion-proof safety door convenient for assembly according to claim 1, wherein: The width of the inner wall of the connecting groove (102) is adapted to the width of the outer wall of the fixing strip (12). The positioning plate (120) and the fixing strip (12) are of an integrally formed structure, and positioning holes (121) are provided at both ends of the positioning plate (120).

6. The explosion-proof safety door convenient for assembly according to claim 1, wherein: Pin holes (13) are provided on the horizontal plate (11) corresponding to the pin shafts (32). The width of the inner wall of the pin holes (13) is adapted to the width of the outer wall of the pin shafts (32).

7. The explosion-proof safety door convenient for assembly according to claim 1, characterized in that: The door bodies (2) are all rotatably connected to the vertical plates (10) through hinges. Symmetrical sealing strips (21) are provided at one end of one of the door bodies (2) far from the hinge end, and sealing grooves (22) are provided at the corresponding positions on the other door body (2) corresponding to the sealing strips (21).

8. The explosion-proof safety door convenient for assembly according to claim 2, characterized in that: The worm wheel (30) is rotatably connected to the door body (2), the worm (31) is rotatably connected to the door body (2), the worm wheel (30) meshes with the worm (31), the positive lead screw (310) and the reverse lead screw (311) are both of an integrally formed structure with the worm (31), and the inner diameter of the screw hole (320) is adapted to the diameters of the reverse lead screw (311) and the positive lead screw (310).

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