Protective air-tight door with multiple lock heads in linkage

Abstract

The protective airtight door comprises a door frame, a door body, a rotating handle and a driving assembly, a plurality of lock grooves are formed in the inner side of the door frame, the door body is rotationally installed on the door frame, a plurality of lock blocks matched with the lock grooves are slidably arranged on the outer side of the door body, and the rotating handle is rotationally installed on the door body; the driving assembly is installed in the door body and connected with the locking block in a matched mode, and the driving assembly is connected with the rotating handle through the transmission assembly. The rotating handle is suitable for driving the locking block to synchronously move to be inserted into or away from the locking groove under the action of the transmission assembly and the driving assembly, and then closing or opening of the airtight door is achieved. The air-tight door locking device has the beneficial effects that the driving assembly and the transmission assembly are arranged, under the action of the driving assembly and the transmission assembly, one rotating handle and the multiple locking blocks can be linked, on one hand, the door locking effect on the air-tight door can be improved through the multiple locking blocks, and on the other hand, when the air-tight door is opened and closed, only one rotating handle needs to be rotated, and the operation is convenient. And the operation of the user is greatly facilitated.

Description

Technical Field

[0001] The present application relates to the technical field of closed doors, and in particular to a protective closed door with multiple locks linked together. Background Art

[0002] Protective sealed doors, also known as civil defense doors, refer to protective equipment installed at the entrances and exits of people's defense projects. They are mainly used to block shock waves and isolate toxic gases. In the event of an emergency, closing the protective sealed doors can ensure people's safety and effectively ensure the indoor safety of civil defense buildings. They have been widely used in the field of civil defense projects.

[0003] In the prior art, a handle usually controls a lock to unlock or lock, that is, the door body and the door frame are connected by a lock to lock the door, and the locking effect is not ideal; if multiple lock structures are installed, it will be very cumbersome to open and close the closed door, which brings inconvenience; for this reason, a protective closed door with multiple locks is proposed to solve the above technical problems. Utility Model Content

[0004] One of the purposes of the present application is to provide a protective closed door with multiple locks linked together.

[0005] To achieve the above objectives, the technical solution adopted in the present application is: a protective closed door with multiple locks linked together, comprising a door frame, a door body, a turn handle and a driving assembly, wherein a plurality of lock slots are arranged on the inner side of the door frame, the door body is rotatably mounted on the door frame, and a plurality of lock blocks adapted to the lock slots are slidably arranged on the outer side of the door body, the turn handle is rotatably mounted on the door body, the driving assembly is mounted in the door body and is matched and connected with the lock blocks, and the driving assembly is connected to the turn handle through a transmission assembly; the turn handle is suitable for driving the lock blocks to synchronously move into or away from the lock slots under the action of the transmission assembly and the driving assembly, thereby realizing the closing or opening of the closed door.

[0006] Preferably, the driving assembly includes a plurality of screw rods, which are rotatably installed in the door body and cooperated with the locking block, and one end of the screw rod is connected to the transmission assembly; and then the screw rod drives the locking block to move under the drive of the transmission assembly.

[0007] Preferably, the transmission assembly includes a bevel gear 1 and multiple bevel gear 2s, the bevel gear 1 is rotatably installed in the door body through a rotating shaft, and the rotating shaft extends out of the door body and is connected to the handle, and the bevel gear 2 is correspondingly installed on the screw rod and meshes with the bevel gear 2.

[0008] Preferably, the number of the locking blocks and the number of the locking slots are both four, and the locking blocks and the locking slots are correspondingly arranged at positions around the closed door.

[0009] Preferably, a seal is slidably mounted on the outer side of the door body, and the seal is connected to the locking block; when the airtight door is closed, the seal is adapted to be elastically deformed and abut against the gap between the door frame and the door body.

[0010] Preferably, the screw rod and the locking block are cooperatively connected via a connecting rod group, and the connecting rod group is a foldable structure; when the airtight door is closed, the connecting rod group is suitable for being unfolded and in a self-locking state under the drive of the screw rod.

[0011] Preferably, the outside of the screw rod is connected to a moving block by a thread, and the connecting rod group includes connecting rod one, connecting rod two and connecting rod three. The first end of connecting rod one is hinged to the locking block, the first end of connecting rod two is hinged to the door body, the first end of connecting rod three is hinged to the moving block, and the second ends of connecting rod one, connecting rod two and connecting rod three are hinged to each other; when connecting rod one and connecting rod two are located in the same straight line and perpendicular to the locking block, the connecting rod group is in a self-locking state.

[0012] Preferably, the connecting rod group is a pair, and the connecting rod group is symmetrically distributed around the screw axis.

[0013] Compared with the prior art, the beneficial effects of this application are:

[0014] The utility model is provided with a driving assembly and a transmission assembly, under the action of which a turning handle and a plurality of locking blocks can be linked. On the one hand, the locking effect of the closed door can be improved by the plurality of locking blocks. On the other hand, when the closed door is opened and closed, only one turning handle needs to be turned, which greatly facilitates the operation of the user. This linkage design not only improves safety, but also enhances the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the door body of the utility model when it is closed.

[0016] Figure 2 It is a schematic diagram of the structure of the door body of the utility model when it is opened.

[0017] Figure 3 It is a schematic diagram of the internal structure of the door body of the present utility model.

[0018] Figure 4 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0019] Figure 5It is a partial structural schematic diagram of the utility model.

[0020] In the figure: 1. door frame; 2. door body; 3. handle; 4. lock block; 5. seal; 6. drive assembly; 601. screw rod; 7. transmission assembly; 701. bevel gear one; 702. bevel gear two; 8. rotating shaft; 9. connecting rod group; 901. connecting rod one; 902. connecting rod two; 903. connecting rod three; 10. moving block; 11. lock slot. DETAILED DESCRIPTION

[0021] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0022] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present application.

[0023] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0024] One of the preferred embodiments of the present application is as follows: Figures 1 to 5 As shown, a protective closed door with multiple lock linkages includes a door frame 1, a door body 2, a turn handle 3 and a drive assembly 6. A plurality of lock slots 11 are arranged on the inner side of the door frame 1, the door body 2 is rotatably mounted on the door frame 1, and a plurality of lock blocks 4 adapted to the lock slots 11 are slidably arranged on the outer side of the door body 2, the turn handle 3 is rotatably mounted on the door body 2, the drive assembly 6 is installed in the door body 2 and is matched with the lock blocks 4, and the drive assembly 6 and the turn handle 3 are connected via a transmission assembly 7.

[0025] It is understandable that when we need to close the airtight door, we turn the handle 3 to act on the transmission assembly 7, and the transmission assembly 7 acts on the drive assembly 6, so that all the lock blocks 4 can be synchronously moved into the lock slot 11 to complete the closing of the airtight door. Similarly, when we need to open the airtight door, we turn the handle 3 in the opposite direction, and then all the lock blocks 4 can be synchronously driven away from the lock slot 11 under the action of the transmission assembly 7 and the drive assembly 6.

[0026] It can be seen that in this way, a single handle 3 can be linked with multiple lock blocks 4. On the one hand, multiple lock blocks 4 can improve the locking effect of the closed door. On the other hand, when opening and closing the closed door, only one handle 3 needs to be turned, which greatly facilitates the user's operation. Moreover, this design can ensure that the closed door can be opened quickly in an emergency to ensure the safety of personnel. Overall, this linkage design not only improves safety, but also improves user experience.

[0027] As a further description of the above technical solution: Figure 4 As shown, the driving assembly 6 includes a plurality of screw rods 601 , which are rotatably installed in the door body 2 and are matched and connected with the corresponding locking blocks 4 , and one end of the screw rods 601 is connected to the transmission assembly 7 .

[0028] It is understandable that when the handle 3 is turned, the handle 3 can rotate all the screw rods 601 through the transmission assembly 7, and the screw rods 601 act on the lock block 4 to move the lock block 4. It should be known that the screw rods 601 can be rotated forward or reversed by the forward and reverse rotation of the handle 3, thereby moving the lock block 4 into or away from the lock slot 11.

[0029] In this embodiment, Figure 4 As shown, the transmission assembly 7 includes a bevel gear 1 701 and multiple bevel gear 2s 702. The bevel gear 1 701 is rotatably installed in the door body 2 via a rotating shaft 8, and the rotating shaft 8 extends out of the door body 2 and is connected to the handle 3. The bevel gear 2 702 is correspondingly installed on the screw rod 601 and meshes with the bevel gear 2 702.

[0030] In order to facilitate a detailed understanding of the opening and closing process of the sealed door, the working principle is described below:

[0031] like Figure 1 As shown, the sealed door is in a closed state. At this time, if we want to open the door body 2, we can (positively) rotate the handle 3 on the door body 2, so that the bevel gear 1 701 on the shaft 8 rotates, and the bevel gear 1 701 drives all the bevel gears 2 702 to rotate, and the bevel gear 2 702 drives the screw rod 601 to rotate synchronously, and the screw rod 601 drives the lock block 4 away from the lock slot 11, so that the door body 2 can be opened (as shown in FIG. Figure 2 shown).

[0032] After applying this embodiment, considering the manufacturing cost and the stability of the sealed door, the number of the locking block 4 and the locking slot 11 is preferably four. Figure 3 As shown, the locking block 4 and the locking groove 11 are correspondingly arranged at the positions around the closed door, thereby limiting the four sides of the door body 2 when it is closed, so that the stability of the door body 2 is greatly improved.

[0033] It should be known that the four locking blocks 4 are preferably located in the middle of the side of the door body 2, and the adjacent screw rods 601 are 90 degrees apart, and the bevel gear 2 702 is equidistantly distributed along the circumference of the bevel gear 1 701.

[0034] One of the embodiments of the present application is as follows: Figure 2 and Figure 5 As shown, a seal 5 is slidably mounted on the outer side of the door body 2 , and the seal 5 is connected to the locking block 4 .

[0035] It can be understood that the sealing member 5 will move with the movement of the locking block 4; when the airtight door is opened, that is, the locking block 4 is separated from the locking groove 11, the sealing member 5 will be located inside the door body 2 or flush with the side of the door body 2, that is, it will not interfere with the rotation of the door body 2; and when the airtight door is closed, that is, the locking block 4 will move and be inserted into the locking groove 11, the locking block 4 will synchronously drive the sealing member 5 to move from the door body 2 to the gap between the door frame 1 and the door body 2, and then the sealing member 5 will elastically deform and fill in this gap, which can greatly improve the sealing of the airtight door, that is, can prevent poisonous gas or smoke from flowing out of the gap of the airtight door, and further improve safety.

[0036] It should be known that the sealing member 5 should be made of elastic material, such as sponge, rubber, etc., and because it should also have fireproof properties, a fireproof cotton board or a fireproof polyurethane board can also be used.

[0037] After adopting the above embodiment, since the seal 5 and the locking block 4 are connected, the elastic deformation of the seal 5 will give the locking block 4 a reaction force, and the locking block 4 is limited by the threaded bite force of the screw rod 601, so that the thread on the screw rod 601 will be subjected to a long-term force, which will reduce the service life of the screw rod 601.

[0038] In order to solve the above-mentioned problem, one of the embodiments of the present application is as follows: Figure 4 As shown, the screw rod 601 and the locking block 4 are connected by a connecting rod group 9, and the connecting rod group 9 is a foldable structure. When the airtight door is opened, the connecting rod group 9 is in a folded state; and when the airtight door is closed, the connecting rod group 9 is unfolded and in a self-locking state under the drive of the screw rod 601. It can be understood that at this time, it is mainly the connecting rod group 9 in the self-locking state that provides support force to the locking block 4, so that the force on the screw rod 601 can be greatly reduced, thereby increasing the service life of the screw rod 601, and the limiting force of the connecting rod group 9 is also greater than the limiting force of the thread on the screw rod 601, so that the stability of the airtight door when closed is also greatly improved.

[0039] As a further description of the above technical solution: Figure 4 and Figure 5As shown, the outside of the screw rod 601 is connected to the moving block 10 through a threaded connection, and the connecting rod group 9 includes a connecting rod 1 901, a connecting rod 2 902 and a connecting rod 3 903. The first end of the connecting rod 1 901 is hinged to the locking block 4, the first end of the connecting rod 2 902 is hinged in the door body 2, the first end of the connecting rod 3 903 is hinged to the moving block 10, and the second ends of the connecting rod 1 901, the connecting rod 2 902 and the connecting rod 3 903 are hinged to each other.

[0040] like Figure 5 As shown, when the connecting rod 1 901 and the connecting rod 2 902 are located in the same straight line and perpendicular to the locking block 4, the connecting rod group 9 is in a self-locking state. It should be known that at this time, the airtight door is also in a closed and locked state, and the supporting force of the locking block 4 is mainly supported by the connecting rod 1 901 and the connecting rod 2 902 located in the same straight line, thereby greatly reducing the force on the screw rod 601, thereby increasing its service life, and also increasing the strength of the support for the locking block 4.

[0041] Further, the connecting rod group 9 preferably adopts a pair, such as Figure 5 As shown, the connecting rod group 9 is symmetrically distributed with respect to the axis of the screw rod 601, which can further improve the support strength of the locking block 4 and ensure the stability and reliability of the connecting rod group 9. In addition, the symmetrical design of the connecting rod group 9 also takes into account the balance of the overall structure to ensure that it will not be excessively deformed or damaged during operation. Through these design optimizations, the connecting rod group 9 can better withstand the load of the locking block 4 and extend the service life of the overall device.

[0042] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.

Claims

1. A protective closed door with multiple locks linked together. It is characterized in that include: A door frame, wherein a plurality of lock slots are arranged on the inner side of the door frame; A door body, the door body is rotatably mounted on the door frame, and a plurality of lock blocks adapted to the lock slots are slidably arranged on the outer side of the door body; A turning handle, the turning handle is rotatably mounted on the door body; as well as A driving assembly is installed in the door body and is connected to the locking block, and the driving assembly is connected to the turning handle through a transmission assembly; the turning handle is suitable for driving the locking block to move synchronously into or away from the locking slot through the action of the transmission assembly and the driving assembly, thereby realizing the closing or opening of the closed door.

2. The multi-lock linkage protective closed door as claimed in claim 1, Features: The driving assembly includes a plurality of screw rods, which are rotatably installed in the door body and are cooperatively connected with the locking block, and one end of the screw rod is connected to the transmission assembly; and then the screw rod drives the locking block to move under the drive of the transmission assembly.

3. The multi-lock linkage protective closed door as claimed in claim 2, Features: The transmission assembly includes a bevel gear 1 and multiple bevel gears 2. The bevel gear 1 is rotatably installed in the door body through a rotating shaft, and the rotating shaft extends out of the door body and is connected to the handle. The bevel gear 2 is correspondingly installed on the screw rod and meshes with the bevel gear 2.

4. The multi-lock linkage protective closed door according to any one of claims 1 to 3, Features: The number of the locking blocks and the number of the locking slots are both four, and the locking blocks and the locking slots are correspondingly arranged at positions around the closed door.

5. The multi-lock linkage protective closed door as claimed in claim 3, Features: A sealing member is slidably mounted on the outer side of the door body, and the sealing member is connected to the locking block; when the airtight door is closed, the sealing member is adapted to be elastically deformed and abut against the gap between the door frame and the door body.

6. The multi-lock linkage protective closed door as claimed in claim 5, Features: The screw rod and the locking block are cooperatively connected via a connecting rod group, and the connecting rod group is a foldable structure; when the airtight door is closed, the connecting rod group is suitable for being unfolded and in a self-locking state under the drive of the screw rod.

7. The multi-lock linkage protective closed door as claimed in claim 6, Features: The outside of the screw rod is connected to a moving block by a thread, and the connecting rod group includes connecting rod one, connecting rod two and connecting rod three. The first end of connecting rod one is hinged to the locking block, the first end of connecting rod two is hinged to the door body, the first end of connecting rod three is hinged to the moving block, and the second ends of connecting rod one, connecting rod two and connecting rod three are hinged to each other; when connecting rod one and connecting rod two are located in the same straight line and perpendicular to the locking block, the connecting rod group is in a self-locking state.

8. The multi-lock linkage protective closed door as claimed in claim 7, Features: The connecting rod group is a pair, and the connecting rod group is symmetrically distributed around the screw rod axis.

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