Maintenance combined component for fabricated building
By designing a maintenance assembly component for prefabricated buildings, the convenient connection and disengagement between the maintenance door and the maintenance port is achieved by using a retractable locking device, the problems of difficulty in disassembly and assembly of the maintenance door and low space utilization in the prior art are solved, and the operation efficiency and space utilization are improved.
Patent Information
- Application Number
- CN202421729432.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-22
AI Technical Summary
The maintenance doors in the prior art are difficult to disassemble and assemble, and are inconvenient to operate in a narrow space, which reduces the space utilization rate of the maintenance door.
An access assembly component for prefabricated buildings is designed, including vertical panels, access ports and access doors. The access door consists of a door body and a locking device. The locking device can be telescopic and retracted in the door body in a direction parallel to the door body, so as to achieve the clamping or disengagement between the door body and the access port.
It realizes the convenient disassembly and assembly of the maintenance door, improves work efficiency, especially in a narrow space, and improves space utilization.
Smart Images

Figure CN222909336U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building decoration, in particular to a maintenance combined component for prefabricated buildings. Background Art
[0002] A maintenance opening, also known as an inspection hole or inspection port, is mainly provided for later maintenance. During the decoration process, the maintenance opening is an element that cannot be ignored because it involves the maintenance entrances of pipelines, structural components, equipment, etc. hidden behind the decorative surface. These entrances need to be close to the equipment for easy maintenance and as concealed and beautiful as possible to avoid affecting the overall decoration style and aesthetics.
[0003] However, most of the inspection doors for maintenance openings in the prior art are installed and fastened by bolts, or one side of the inspection door is hinged to the maintenance opening, and the other side is installed and fastened by bolts. However, this method is not only difficult to disassemble and assemble, but also when maintaining pipelines, structural components, equipment, etc. inside the maintenance opening, since one side of the inspection door is hinged to the maintenance opening, the inspection door will be placed vertically and hung at the maintenance opening during disassembly. For maintenance openings in narrow spaces, it is inconvenient to operate when inspecting and maintaining the pipelines, structural components, equipment, etc. inside, reducing the space utilization rate of the maintenance opening, and it is also extremely inconvenient during disassembly and assembly.
[0004] Therefore, there is an urgent need for an inspection door that is convenient to disassemble and assemble and can improve the space utilization rate. Summary of the Utility Model
[0005] (1) Technical Problems to be Solved
[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a maintenance combined component for prefabricated buildings, which solves the technical problems that the inspection door in the prior art is not only difficult to disassemble and assemble, but also inconvenient to operate when inspecting and maintaining pipelines, structural components, equipment, etc. inside the maintenance opening in narrow spaces, reducing the space utilization rate of the maintenance opening.
[0007] (2) Technical Solutions
[0008] In order to achieve the above object, the main technical solutions adopted by the utility model include:
[0009] The present utility model provides a maintenance combined component for an assembled building, including a vertical plate with a maintenance opening formed thereon, and further including a maintenance door; the maintenance door includes a door body and a locking device; the door body is placed within the maintenance opening and can cover the maintenance opening; the locking device can be installed in the door body in a telescopic manner along a direction parallel to the door body; when the locking device extends out and retracts relative to the door body, it is respectively clamped with and disengaged from the maintenance opening, so as to limit the door body at the maintenance opening or separate the door body from the maintenance opening.
[0010] Preferably, the locking device includes two locking mechanisms respectively placed within the door body and mirror-symmetric with respect to the vertical or horizontal median line of the door body.
[0011] Preferably, a partition is provided inside the door body, the partition is placed vertically or horizontally and is aligned with the vertical or horizontal median line of the door body at the same time, and the partition divides the door body into two moving areas; the two locking mechanisms are respectively installed in the two moving areas; the two locking mechanisms can move away from or towards each other in the two moving areas respectively, and the ends of the two locking mechanisms far from the partition can pass through the door body to be clamped with or disengaged from the maintenance opening.
[0012] Preferably, the locking mechanism includes a moving plate and a dial block; the two side walls of the moving plate are attached to the opposite inner walls of the moving area, and there is a gap between the moving plate and the partition; two through holes are formed on one side wall of the door body and the two through holes are mirror-symmetric with respect to the vertical or horizontal median line of the partition, the dial block is placed within the through hole and the dial block is perpendicularly connected to the moving plate, and there is a redundant space between the dial block and the through hole; a clamping groove is provided on the opposite side wall of the maintenance opening, and the moving plate can be driven by the dial block to move vertically or horizontally in a direction close to or away from the partition, so that the end of the moving plate far from the partition passes through the door body to be clamped with or disengaged from the clamping groove.
[0013] Preferably, the locking mechanism further includes an elastic member; the elastic member is placed between the moving plate and the partition and the two ends of the elastic member are respectively connected to the moving plate and the partition to provide pressure or buffering force to the moving plate.
[0014] Preferably, a plurality of elastic members are provided and the plurality of elastic members are arranged at intervals along the vertical or horizontal median line of the partition between the moving plate and the partition.
[0015] Preferably, the clamping groove is an arc-shaped groove, and the concave direction of the arc-shaped groove faces the moving plate; the end of the moving plate close to the clamping groove is an arc-shaped structure matching the arc-shaped groove.
[0016] Preferably, the movable plate is a hollow structure.
[0017] Preferably, a limiting plate is provided on the side wall of the inspection opening away from the through hole on the door body, and the limiting plate is used to limit the door body.
[0018] Preferably, the top wall and the bottom wall of the shift block are respectively fitted with the top wall and the bottom wall of the through hole.
[0019] (III) Beneficial effects
[0020] The beneficial effects of the utility model are:
[0021] 1. The utility model provides a maintenance assembly component for prefabricated buildings. By arranging a locking device in the door body, and the locking device can be telescopically moved in a direction parallel to the door body, it can realize the connection or disengagement between the door body and the inspection port, so that it is more convenient to install or disassemble the door body at the inspection port, which greatly improves the work efficiency. Moreover, even in a small space, the door body can be put into an active state by only disengaging the locking device from the inspection port, so that the door body can be easily disassembled and removed to inspect the pipelines, structural parts, equipment, etc. in the inspection port. When the door body needs to be installed at the inspection port, it only needs to connect the locking device with the inspection port to complete the installation of the door body. The installation and disassembly operations are more convenient and quick, and the structure is simple, which improves the space utilization rate.
[0022] 2. The utility model provides a combined maintenance component for prefabricated buildings. Two locking mechanisms are provided, and the two locking mechanisms can be telescopically moved in the door body, so that the two locking mechanisms are more stable when the door body is installed at the inspection opening, and it is also easier to disassemble. The entire door body can be removed by simply moving the two locking mechanisms toward each other, thereby improving work efficiency.
[0023] 3. The utility model provides a maintenance composite component for prefabricated buildings. By arranging a partition inside the door body, not only the door body is divided into two moving areas, thereby realizing the installation of two locking mechanisms in the two moving areas, but also the strength and stability of the door body are improved, making the door body more stable, and at the same time, it is convenient for the two locking mechanisms to move toward or away from each other in the two moving areas. Alternatively, the locking mechanisms on both sides can be operated separately or simultaneously to install or disassemble the door body at the inspection port, which increases the flexibility and convenience of operation.
[0024] 4. The present utility model provides a maintenance combined component for prefabricated buildings. By setting a moving plate, and the side wall of the moving plate fits against the inner wall on the opposite side of the moving area, it can enable the moving area to guide the moving plate, avoiding the deviation of the moving plate during movement in the moving area and preventing jamming. By setting a dial block, and there is a redundant space between the dial block and the through hole, it can enable the dial block to move at the through hole, so as to drive the moving block to move in the moving area. At the same time, a clamping groove is provided on the side wall opposite to the maintenance opening, which can realize the clamping connection between the moving plate and the clamping groove, so that the door body can be stably installed at the maintenance opening, improving the stability and reliability of the locking device.
[0025] 5. The present utility model provides a maintenance combined component for prefabricated buildings. By setting an elastic member, it can apply pressure or buffering force to the moving plate. When the moving plate is clamped with the clamping groove, the elastic member can always apply pressure to the moving plate, so that the moving plate can be stably clamped in the clamping groove, avoiding the loosening between the moving plate and the clamping groove and causing the door body to fall. At the same time, when the moving plate leaves the clamping groove, the elastic member can give the moving plate a buffering force, avoiding the moving plate moving too fast and causing damage to the moving plate or the door body. By setting a plurality of elastic members, it can make the moving plate more stable when clamped with the clamping groove or moving.
[0026] 6. The present utility model provides a maintenance combined component for prefabricated buildings. By setting the clamping groove as an arc groove and setting one end of the moving plate as an arc structure matching the arc groove, it can not only make the contact between the moving plate and the clamping groove always have a smooth transition, reducing the friction and resistance during operation and making the whole process more smooth, but also enable the moving plate to more easily find the correct insertion angle when moving to the position of the clamping groove, reducing the operation difficulty and improving the use accuracy of the locking mechanism. By setting the moving plate as a hollow structure, it can reduce the weight of the moving plate, making the whole maintenance door lighter, and at the same time, it can also be more labor-saving when driving the moving plate to move through the dial block, which is simple and convenient.
[0027] 7. The present utility model provides a maintenance combined component for prefabricated buildings. By setting a limiting plate, it can limit the door body during the process of installing the door body at the maintenance opening, so that the door body can be accurately positioned. At the same time, the moving plate and the clamping groove can also be positioned, making the installation more convenient. By making the top wall and the bottom wall of the dial block fit against the top wall and the bottom wall of the through hole respectively, it can realize the limitation of the dial block, avoiding the dial block shaking in the through hole and causing the moving block to move along with the shaking of the dial block, and further avoiding the deviation of the movement of the moving plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 is an overall three-dimensional structural schematic diagram of a maintenance combined component for prefabricated buildings of the present utility model;
[0029] Figure 2 A top view sectional structure schematic diagram of a maintenance combined component for prefabricated buildings of the present utility model when in a locked state;
[0030] Figure 3 A top view sectional structure schematic diagram of a maintenance combined component for prefabricated buildings of the present utility model when in an unlocked state;
[0031] Figure 4 A top view sectional structure schematic diagram of a vertical plate of a maintenance combined component for prefabricated buildings of the present utility model;
[0032] Figure 5 An overall three-dimensional structure schematic diagram of a door body hiding one side plate and a locking device of a maintenance combined component for prefabricated buildings of the present utility model.
[0033]
Explanation of reference numerals
[0034] 1: Vertical plate; 2: Maintenance opening; 21: Card slot; 3: Door body; 31: Moving area; 32: Through hole; 4: Locking device; 41: Locking mechanism; 411: Moving plate; 412: Pushing block; 413: Elastic member; 5: Partition board; 6: Limiting plate. Specific implementation manners
[0035] In order to better understand the above technical solution, the exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided so that the present utility model can be understood more clearly and thoroughly, and the scope of the present utility model can be completely conveyed to those skilled in the art.
[0036] Embodiment 1
[0037] As Figures 1-5 shown, a maintenance combined component for prefabricated buildings in this embodiment includes a vertical plate 1 with a maintenance opening 2 provided thereon, and also includes a maintenance door.
[0038] Specifically, the access door includes a door body 3 and a locking device 4. The door body 3 is placed inside the access opening 2 and can cover the access opening 2. The locking device 4 is installed in the door body 3 in a telescopic manner along a direction parallel to the door body 3. When the locking device 4 extends and retracts relative to the door body 3, it is respectively engaged with and disengaged from the access opening 2, so as to limit the door body 3 at the access opening 2 or separate the door body 3 from the access opening 2. By arranging the locking device 4 inside the door body 3 and enabling the locking device 4 to move telescopically along a direction parallel to the door body 3, it can achieve the engagement or disengagement between the door body 3 and the access opening 2, thereby making it more convenient to install or disassemble the door body 3 at the access opening 2, greatly improving the work efficiency. Moreover, even in a narrow space, only by disengaging the locking device 4 from the access opening 2, the door body 3 can be made in a movable state, so that the door body 3 can be easily disassembled and removed to repair the pipelines, structural members, equipment, etc. inside the access opening 2. When the door body 3 needs to be installed at the access opening 2, only by engaging the locking device 4 with the access opening 2, the installation of the door body 3 can be completed. The installation and disassembly operations are more convenient and fast, its structure is simple, and the space utilization rate is improved.
[0039] Further, the locking device 4 includes two locking mechanisms 41 which are respectively placed inside the door body 3 and are mirror-symmetrical with respect to the vertical or horizontal center line of the door body 3, and the two locking mechanisms 41 can move telescopically inside the door body 3, so that the two locking mechanisms 41 are more stable when the door body 3 is installed at the access opening 2, and during disassembly, it is also more convenient. Just by moving the two locking mechanisms 41 towards each other, the entire door body 3 can be removed, improving the work efficiency.
[0040] Further, a partition 5 is provided inside the door body 3. The partition 5 is placed vertically or horizontally and is aligned with the vertical or horizontal center line of the door body 3 at the same time. The partition 5 divides the door body 3 into two moving areas 31. The two locking mechanisms 41 are respectively installed in the two moving areas 31. The two locking mechanisms 41 can move away from or towards each other respectively in the two moving areas 31, and the ends of the two locking mechanisms 41 far from the partition 5 can pass through the door body 3 to be engaged with or disengaged from the access opening 2. By arranging the partition 5 inside the door body 3, not only the door body 3 is divided into two moving areas 31, thus realizing the installation of the two locking mechanisms 41 in the two moving areas 31, but also the strength and stability of the door body 3 are improved, making the door body 3 more stable. At the same time, it is also convenient for the two locking mechanisms 41 to move towards or away from each other in the two moving areas 31, or the locking mechanisms 41 on both sides can be selected to be operated separately or simultaneously to install or disassemble the door body 3 at the access opening 2, increasing the flexibility and convenience of the operation.
[0041] Further, the locking mechanism 41 includes a moving plate 411 and a shifting block 412. The two side walls of the moving plate 411 are in contact with the opposite inner walls of the moving area 31, which can guide the moving plate 411 in the moving area 31, preventing the moving plate 411 from shifting when moving in the moving area 31 and avoiding jamming. There is a gap between the moving plate 411 and the partition plate 5. Two through holes 32 are formed in one side wall of the door body 3, and the two through holes 32 are mirror-symmetrical with respect to the vertical or horizontal center line of the partition plate 5. The shifting block 412 is placed in the through hole 32 and is perpendicularly connected to the moving plate 411. There is a redundant space between the shifting block 412 and the through hole 32, which enables the shifting block 412 to move at the through hole 32 to drive the moving block to move in the moving area 31. A clamping groove 21 is provided on the opposite side wall of the maintenance port 2. The moving plate 411 can be driven by the shifting block 412 to move vertically or horizontally in a direction close to or away from the partition plate 5, so that one end of the moving plate 411 away from the partition plate 5 passes through the door body 3 and is clamped or disengaged from the clamping groove 21, so as to stably install the door body 3 at the maintenance port 2, improving the stability and reliability of the locking device 4. Preferably, the clamping groove 21 is an arc-shaped groove, and the concave direction of the arc-shaped groove faces the moving plate 411. One end of the moving plate 411 close to the clamping groove 21 is an arc-shaped structure that matches the arc-shaped groove. It can not only ensure that the contact between the moving plate 411 and the clamping groove 21 is always a smooth transition, reducing the friction and resistance during operation and making the whole process smoother, but also enable the moving plate 411 to more easily find the correct insertion angle when moving to the position of the clamping groove 21, reducing the operation difficulty and improving the use accuracy of the locking mechanism 41.
[0042] Further, the top wall and the bottom wall of the shifting block 412 are respectively in contact with the top wall and the bottom wall of the through hole 32, which can limit the shifting block 412, preventing the shifting block 412 from shaking in the through hole 32, causing the moving block to move with the shaking of the shifting block 412, and further preventing the movement of the moving plate 411 from shifting.
[0043] Further, the locking mechanism 41 further includes an elastic member 413. The elastic member 413 is disposed between the moving plate 411 and the partition plate 5, and both ends of the elastic member 413 are respectively connected to the moving plate 411 and the partition plate 5 to provide pressure or buffering force to the moving plate 411. When the moving plate 411 is clamped with the card slot 21, the elastic member 413 can always apply pressure to the moving plate 411 so that the moving plate 411 can be stably clamped in the card slot 21 to prevent the moving plate 411 from loosening from the card slot 21 and causing the door body 3 to fall. At the same time, when the moving plate 411 leaves the card slot 21, the elastic member 413 can give the moving plate 411 a buffering force to prevent the moving plate 411 from moving too fast and causing damage to the moving plate 411 or the door body 3. Preferably, a plurality of elastic members 413 are provided, and the plurality of elastic members 413 are arranged at intervals along the vertical or horizontal center line of the partition plate 5 between the moving plate 411 and the partition plate 5 so that the moving plate 411 can be more stable when being clamped with or moving relative to the card slot 21. Preferably, the moving plate 411 has a hollow structure, which can reduce the weight of the moving plate 411, make the entire inspection door lighter, and at the same time make it more labor-saving and simple and convenient to drive the moving plate 411 to move through the dial block 412.
[0044] Further, a limiting plate 6 is provided on the side wall of the inspection opening 2 away from the through hole 32 on the door body 3. The limiting plate 6 is used to limit the door body 3. By providing the limiting plate 6, it can limit the door body 3 during the installation process of the door body 3 at the inspection opening 2 so that the door body 3 can be accurately positioned, and at the same time, the positioning between the moving plate 411 and the card slot 21 can also be realized, making the installation more convenient.
[0045] Through the above structure, the working principle of a kind of inspection combined component for prefabricated buildings in this embodiment is as follows:
[0046] As Figures 1-5 shown, first, the two locking mechanisms 41 are respectively installed in the two moving areas 31 inside the door body 3.
[0047] When it is necessary to install the inspection door at the inspection opening 2, just align the inspection door with the position of the inspection opening 2 and push the inspection door. Since the end of the moving plate 411 away from the partition 5 is an arc structure, during the pushing process, the two moving plates 411 move towards each other in the direction towards the partition 5 and compress the elastic member 413. At this time, the elastic member 413 provides a buffering force to the two moving plates 411, causing the arc-shaped end of the moving plate 411 to gradually move to the position of the card slot 21. When the arc-shaped end of the moving plate 411 corresponds to the card slot 21, the moving plate 411 extends. That is, due to the action of the elastic member 413, the elastic member 413 provides a restoring force to the moving plate 411 and applies a pressure, causing the two moving plates 411 to move away from each other in the direction away from the partition 5. After the arc-shaped ends of the two moving plates 411 are both placed in the two card slots 21 of the inspection opening 2 and, due to the action of the limiting plate 6, the inspection door cannot be pushed further, the inspection door can be released. At this time, the two moving plates 411 are stably engaged with the card slot 21, and the inspection door is stably installed at the inspection opening 2.
[0048] When it is necessary to disassemble the inspection door from the inspection opening 2, just move one of the toggle blocks 412 in the direction towards the partition 5, so that the toggle block 412 drives the moving plate 411 to move synchronously in the direction towards the partition 5, and the elastic member 413 is compressed, providing a buffering force to the moving plate 411, causing the arc-shaped end of the moving plate 411 to disengage from one of the card slots 21 of the inspection opening 2. At this time, the inspection door is in a movable state, and the inspection door can be disassembled. Or, move the two toggle blocks 412 towards each other in the direction towards the partition 5 at the same time, thereby driving the two moving plates 411 to move towards each other in the two moving areas 31 in the direction towards the partition 5. The elastic members 413 in the two moving areas 31 are both compressed, respectively providing a buffering force to the corresponding moving plates 411, causing the arc-shaped ends of the two moving plates 411 to disengage from the card slots 21 of the inspection opening 2 respectively, making the inspection door in a movable state, and the inspection door can be disassembled.
[0049] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless otherwise specifically defined.
[0050] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "attachment", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral one; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium; it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0051] In the present utility model, unless otherwise clearly defined and limited, when the first feature is "above" or "below" the second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, when the first feature is "above", "over" and "on" the second feature, it may be that the first feature is directly above or obliquely above the second feature, or it merely means that the horizontal height of the first feature is higher than that of the second feature. When the first feature is "below", "under" and "beneath" the second feature, it may be that the first feature is directly below or obliquely below the second feature, or it merely means that the horizontal height of the first feature is lower than that of the second feature.
[0052] In the description of this specification, the description of terms such as "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.
[0053] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present utility model.
Claims
1. A maintenance assembly component for a prefabricated building, comprising a vertical plate (1) and a maintenance opening (2) formed on the vertical plate (1), characterized in that: Also includes access doors; The inspection door comprises a door body (3) and a locking device (4); The door body (3) is placed in the inspection opening (2) and is capable of covering the inspection opening (2); The locking device (4) can be telescopically installed in the door body (3) along a direction parallel to the door body (3); The locking device (4) is respectively engaged with and disengaged from the inspection opening (2) when extending and retracting relative to the door body (3), so as to limit the door body (3) at the inspection opening (2) or enable the door body (3) to be separated from the inspection opening (2).
2. The maintenance assembly component for prefabricated buildings according to claim 1, characterized in that: The locking device (4) comprises two locking mechanisms (41) which are respectively placed in the door body (3) and are mirror-symmetrical about the vertical center line or the horizontal center line of the door body (3).
3. The maintenance assembly component for prefabricated buildings according to claim 2, characterized in that: A partition (5) is provided inside the door body (3), the partition (5) is placed vertically or horizontally and is aligned with the vertical center line or the horizontal center line of the door body (3), and the partition (5) divides the door body (3) into two moving areas (31); The two locking mechanisms (41) are respectively installed in the two moving areas (31); The two locking mechanisms (41) can move away from or towards each other in the two moving areas (31), respectively, and the ends of the two locking mechanisms (41) away from the partition (5) can pass through the door body (3) and be engaged with or disengaged from the inspection opening (2).
4. The maintenance assembly component for prefabricated buildings according to claim 3, characterized in that: The locking mechanism (41) comprises a moving plate (411) and a shifting block (412); The side walls of the movable plate (411) are in contact with the inner walls of the opposite sides of the movable area (31), and there is a gap between the movable plate (411) and the partition plate (5); Two through holes (32) are provided on a side wall of the door body (3), and the two through holes (32) are mirror-symmetrical about the vertical center line or the horizontal center line of the partition plate (5); the shift block (412) is placed in the through hole (32) and the shift block (412) is vertically connected to the movable plate (411); and there is a redundant space between the shift block (412) and the through hole (32); A slot (21) is provided on the side wall opposite to the inspection opening (2), and the movable plate (411) can be driven by the shift block (412) to move vertically or horizontally in a direction approaching or moving away from the partition (5), so that the end of the movable plate (411) away from the partition (5) passes through the door body (3) and is engaged with or disengaged from the slot (21).
5. The maintenance assembly component for prefabricated buildings according to claim 4, characterized in that: The locking mechanism (41) further includes an elastic member (413); The elastic member (413) is placed between the movable plate (411) and the partition plate (5), and two ends of the elastic member (413) are respectively connected to the movable plate (411) and the partition plate (5) to provide pressure or buffering force to the movable plate (411).
6. The maintenance assembly component for prefabricated buildings according to claim 5, characterized in that: A plurality of the elastic members (413) are provided, and the plurality of the elastic members (413) are spaced apart between the movable plate (411) and the partition (5) along the vertical center line or the horizontal center line of the partition (5).
7. The maintenance assembly component for prefabricated buildings according to claim 4, characterized in that: The clamping groove (21) is an arc-shaped groove, and the concave direction of the arc-shaped groove is toward the movable plate (411); One end of the movable plate (411) close to the clamping groove (21) is an arc-shaped structure that matches the arc-shaped groove.
8. The maintenance assembly component for prefabricated buildings according to claim 7, characterized in that: The movable plate (411) is a hollow structure.
9. The maintenance assembly component for prefabricated buildings according to claim 4, characterized in that: A limiting plate (6) is provided on the side wall of the inspection opening (2) away from the through hole (32) on the door body (3), and the limiting plate (6) is used to limit the door body (3).
10. The maintenance assembly component for prefabricated buildings according to claim 4, characterized in that: The top wall and the bottom wall of the shifting block (412) are respectively fitted with the top wall and the bottom wall of the through hole (32).