Temporary protective door for building engineering construction

Abstract

The utility model discloses a temporary protective door for building engineering construction, and belongs to the technical field of temporary protective doors. A temporary protective door for building engineering construction comprises a door frame. The protection assembly is fixedly installed in the door frame and comprises a plurality of sliding grooves formed in the inner wall of the door frame, sliding blocks are slidably connected into the sliding grooves, protection doors are fixedly connected to the inner ends of the two sliding blocks, driving grooves are formed in the outer end faces of the sliding blocks, and driving rods are slidably matched with the interiors of the two driving grooves. A stepping motor is fixedly connected to the end of the driving rod. Through the design of the protection assembly in the door frame, when the door needs to be closed, the two protection doors can be closed, meanwhile, the end of a driving rod of a stepping motor slides in a driving groove, then two sliding blocks can be driven to move to the end of a sliding groove, then the protection doors can be inserted into the door frame, and therefore the protection doors can be stably closed; when the protective door needs to be opened, only the stepping motor needs to continuously rotate.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of temporary protective doors, and particularly relates to a temporary protective door for building engineering construction. BACKGROUND

[0002] Building construction refers to production activities in the implementation phase of engineering construction, is the construction process of various buildings, and can also be regarded as the process of changing various lines on design drawings into real objects at specified sites. The building construction includes foundation engineering construction, main body structure construction, roof engineering construction, decoration engineering construction and the like. In the foundation construction, for example, when the elevator shaft construction is performed, the weak protection measures often lead to the occurrence of dangers.

[0003] The patent document with the publication number CN117588137A disclosed in the prior art provides a temporary protective door for building engineering construction. The temporary protective door can be expanded outward or tightened in the middle through the rotation of the first servo motor installed in the bidirectional pushing mechanism, so that the two sides of the cavity square box are changed. The L-shaped clamping plates on the two sides of the cavity square box can be self-adaptively clamped in the middle of the shaft opening, and the cavity square box is fixed through the expansion force from the middle to the two sides, so that the assembly is firmly and quickly completed. The problem that the protective door assembled on the outer side of the shaft opening in the prior art cannot be adaptively expanded and adjusted according to the erection requirement is effectively solved.

[0004] Although the prior technical scheme in the above can realize adaptive expansion and adjustment according to the erection requirement through the bidirectional pushing mechanism, the following defects still exist. The prior art is opened by rotation, so that the design needs a large space requirement, and personnel and materials cannot be conveniently sent in, so that the use is inconvenient.

[0005] In view of this, the application provides a temporary protective door for building engineering construction. CONTENT OF THE UTILITY MODEL

[0006] 1. Technical problem to be solved.

[0007] The application aims to provide a temporary protective door for building engineering construction, so as to solve the problem of inconvenient use in the background technology, and realize convenient use.

[0008] 2. Technical scheme.

[0009] A temporary protective door for building engineering construction comprises a door frame.

[0010] The protection assembly is fixedly installed in the door frame, and comprises a plurality of sliding grooves formed in the inner wall of the door frame, sliding blocks slidably connected in the sliding grooves, a protection door fixedly connected to the inner ends of the two sliding blocks, drive grooves formed in the outer end faces of the sliding blocks, drive rods slidably fitted in the two drive grooves, a stepping motor fixedly connected to the end portions of the drive rods, and the stepping motor is fixedly connected with the sliding grooves, the sliding grooves and the drive rods are all L-shaped structures, and the end portions of the drive grooves are arc chamfers.

[0011] By adopting the above technical scheme, the protection assembly in the door frame can be closed when the door needs to be closed, and the two protection doors can be driven to move to the end portions of the sliding grooves by the sliding of the end portions of the drive rods in the drive grooves, and then the protection doors can be inserted into the door frame, so that the protection doors can be stably closed, and the protection doors can be opened by continuously rotating the stepping motor, so that the opening and closing of the protection doors is convenient and does not occupy a large space.

[0012] Preferably, one end of one of the sliding blocks is provided with a slot, and a plug column is inserted and fitted in the slot, and the plug column is fixedly connected with the other sliding block.

[0013] Preferably, the outer walls of the two sliding blocks are abutted and fitted with abutment plates, the abutment plates are fixedly connected with elastic springs, the abutment plates are slidably connected with the sliding grooves, and the other ends of the elastic springs are fixedly connected with the sliding grooves.

[0014] By adopting the above technical scheme, the insertion and fitting of the slots on the two sliding blocks and the plug columns can ensure that the two sliding blocks slide synchronously, and then the abutment of the elastic springs with the abutment plates and the two sliding blocks can ensure the stability of the opening and closing of the protection doors.

[0015] Preferably, a matching groove is formed in the inner end of the drive groove, and the end portion of the drive rod is slidably fitted in the matching groove.

[0016] By adopting the above technical scheme, the abutment of the matching groove, the elastic spring and the abutment plate can ensure the stability of the connection of the sliding block with the drive rod and the stability of the fixing of the protection door.

[0017] Preferably, a fixing member is fixedly installed on the door frame, the fixing member comprises telescopic columns slidably connected with the door frame, limit springs fixedly connected to one end of the telescopic columns, a blocking frame fixedly connected to the door frame, and limit clamping plates fixedly connected to the other ends of the telescopic columns.

[0018] By adopting the technical scheme, the fixing member on the door frame can keep the whole protective door neat and beautiful through the blocking frame, and can also avoid the door frame from falling into the elevator shaft and the like, then the limiting spring drives the limiting clamping plate on the telescopic column to abut against and rub against the shaft body, so that the door frame can be fixed, and the plurality of clamping blocks on the limiting clamping plate can make clamping stable, and finally if more stable fixation is needed, a bolt can be nailed on the blocking frame for reinforcement.

[0019] 3. Beneficial effects.

[0020] Compared with the prior art, the application has the advantages of.

[0021] 1. The application can close two protective doors when needed through the design of the protective assembly inside the door frame, and then the end of the driving rod can slide in the driving groove through the driving of the stepping motor, so that the two sliding blocks can be moved to the end of the sliding groove, and then the protective door can be inserted into the door frame, so that the protective door can be stably closed, and the protective door can be opened only by continuing to rotate the stepping motor, so that the opening and closing of the protective door is more convenient, and a large space is not occupied.

[0022] 2. The design of the fixing member on the door frame can keep the whole protective door neat and beautiful through the blocking frame, and can also avoid the door frame from falling into the elevator shaft and the like, then the limiting spring drives the limiting clamping plate on the telescopic column to abut against and rub against the shaft body, so that the door frame can be fixed, and the plurality of clamping blocks on the limiting clamping plate can make clamping stable, and finally if more stable fixation is needed, a bolt can be nailed on the blocking frame for reinforcement. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a whole structure schematic diagram of a temporary protective door for building engineering construction according to an embodiment of the application.

[0024] Figure 2 is a door frame sectional schematic diagram of a temporary protective door for building engineering construction according to an embodiment of the application.

[0025] Figure 3 is an enlarged schematic diagram of a structure at A of a temporary protective door for building engineering construction according to an embodiment of the application.

[0026] Figure 4 is a sliding block structure schematic diagram of a temporary protective door for building engineering construction according to an embodiment of the application.

[0027] The figure label explanation: 1, door frame; 2, protection assembly; 3, sliding groove; 4, sliding block; 5, protective door; 6, drive slot; 7, drive rod; 8, stepper motor; 9, insertion slot; 10, insertion column; 11, abutting plate; 12, elastic spring; 13, matching groove; 14, fixing piece; 15, telescopic column; 16, limiting spring; 17, limiting clamping plate; 18, blocking frame. DETAILED DESCRIPTION

[0028] The application will be further described in detail below in conjunction with the accompanying drawings of the specification.

[0029] Referring to Figure 2 and Figure 3 , the embodiment of the application discloses a temporary protective door for construction engineering. The door frame 1.

[0030] The protection assembly 2 is fixedly installed in the door frame 1, and the protection assembly 2 comprises a plurality of sliding grooves 3 formed in the inner wall of the door frame 1, the sliding grooves 3 are slidably connected with sliding blocks 4 inside, the inner ends of the two sliding blocks 4 are fixedly connected with protective doors 5, the outer end faces of the sliding blocks 4 are provided with drive slots 6, the drive slots 6 are slidably matched with drive rods 7 inside, the drive rods 7 are fixedly connected with stepper motors 8 at the ends, the stepper motors 8 are fixedly connected with the sliding grooves 3, the sliding grooves 3 and the drive rods 7 are both L-shaped structures, and the ends of the drive slots 6 are arc chamfers.

[0031] The design of the protection assembly 2 in the door frame 1 can close the two protective doors 5 when the door needs to be closed, and then the end of the drive rod 7 in the drive slot 6 can be driven to slide by the stepper motor 8, so that the two sliding blocks 4 can be driven to move to the ends of the sliding grooves 3, and then the protective doors 5 can be inserted into the door frame 1, so that the protective doors 5 can be stably closed, and the protective doors 5 can be opened only by continuing to rotate the stepper motor 8, so that the opening and closing of the protective doors 5 is more convenient, and a large space is not occupied.

[0032] Referring to Figure 3 and Figure 4 , one end of one sliding block 4 is provided with an insertion slot 9, the insertion slot 9 is insertedly matched with an insertion column 10, and the insertion column 10 is fixedly connected with the other sliding block 4.

[0033] The outer walls of the two sliding blocks 4 are abuttingly matched with abutting plates 11, the abutting plates 11 are fixedly connected with elastic springs 12, the abutting plates 11 are slidably connected with the sliding grooves 3, and the other ends of the elastic springs 12 are fixedly connected with the sliding grooves 3.

[0034] The insertion slot 9 on the two sliding blocks 4 and the insertion column 10 can be insertedly matched to ensure that the two sliding blocks 4 slide synchronously, and then the elastic springs 12 cooperate with the abutting plates 11 and the two sliding blocks 4 to abut, so that the opening and closing of the protective doors 5 can be ensured to be stable.

[0035] The end of the driving slot 6 is provided with a matching slot 13, which is in sliding fit with the end of the driving rod 7.

[0036] The matching slot 13 matches the elastic spring 12 to abut against the abutment plate 11, so that the sliding block 4 is stably connected with the driving rod 7, and the stability of the protective door 5 is ensured.

[0037] Referring to Figure 1 and Figure 2 , the fixed part 14 is fixed on the door frame 1, the fixed part 14 comprises the telescopic column 15 in sliding connection with the door frame 1, one end of the telescopic column 15 is connected with the limiting spring 16, the blocking frame 18 is fixed on the door frame 1, and the limiting clamping plate 17 is fixed at the other end of the telescopic column 15.

[0038] The design of the fixed part 14 on the door frame 1 can keep the whole protective door neat and beautiful through the blocking frame 18, and can also avoid the door frame 1 from falling into the elevator shaft and the like, then the limiting spring 16 drives the limiting clamping plate 17 on the telescopic column 15 to abut against and rub against the shaft body, so that the door frame 1 is fixed, and the plurality of clamping blocks on the limiting clamping plate 17 can make the clamping stable, finally, if more stable fixation is needed, a bolt can be nailed into the blocking frame 18 for reinforcement.

[0039] The implementation principle of the temporary protective door for building engineering construction in the embodiment is as follows: the blocking frame 18 keeps the protective door from falling into the elevator shaft and the like, then the limiting spring 16 drives the limiting clamping plate 17 on the telescopic column 15 to abut against and rub against the shaft body, so that the door frame 1 is fixed, and the plurality of clamping blocks on the limiting clamping plate 17 can make the clamping stable, finally, if more stable fixation is needed, a bolt can be nailed into the blocking frame 18 for reinforcement; when the door needs to be closed in use, the two protective doors 5 are closed, and then the end of the driving rod 7 in the driving slot 6 is driven to slide by the stepping motor 8, so that the two sliding blocks 4 are driven to move to the end of the sliding slot 3, and then the protective door 5 is inserted into the door frame 1, so that the protective door 5 is stably closed, and when the protective door 5 needs to be opened, the stepping motor 8 is only needed to continue to rotate.

Claims

1. A temporary protective door for use in construction work, characterised in that: The utility model relates to a door frame (1); The utility model provides a door frame (1) is provided with the protection assembly (2), the protection assembly (2) is fixedly installed in the door frame (1), and the protection assembly (2) includes a plurality of slide grooves (3) that are opened in the inner wall of door frame (1), the inside slide groove (3) is connected with the sliding block (4), and the inner end of two sliding blocks (4) is connected with the protection door (5) fixedly, the outer end surface of sliding block (4) is equipped with the drive slot (6), and the inside slide cooperation of two drive slots (6) has drive rod (7), and the end of drive rod (7) is connected with the step motor (8) fixedly, and the step motor (8) is connected with slide groove (3) fixedly, and the slide groove (3) and drive rod (7) are all L type structure, and the end of drive slot (6) is arc chamfer. One end of a sliding block (4) is equipped with the slot (9), the inside plug-in cooperation of slot (9) has the plug -in post (10), and the plug -in post (10) is connected with another sliding block (4) fixedly.

2. The temporary protective door for construction site according to claim 1, characterized in that: The outer wall of two sliding blocks (4) is abutted with the abutment plate (11), the abutment plate (11) is connected with the elastic spring (12) fixedly, the abutment plate (11) is connected with the slide groove (3) slidably, and the other end of elastic spring (12) is connected with the slide groove (3) fixedly.

3. A temporary protective door for use in construction work according to claim 2, characterised in that: The inside drive slot (6) is equipped with the matching slot (13), and the matching slot (13) is slidably connected with the end of drive rod (7).

4. The temporary protective door for construction site according to claim 1, characterized in that: The fixed part (14) is fixedly installed on the door frame (1), the fixed part (14) includes the telescopic column (15) that is slidably connected with the door frame (1), one end of telescopic column (15) is connected with the limit spring (16) fixedly, the door frame (1) is connected with the blocking frame (18) fixedly, and the other end of a plurality of telescopic columns (15) is connected with the limit clamping plate (17).

5. The temporary protective door for construction site according to claim 1, characterized in that: ​

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