Civil air defense door with linkage type lifting threshold

Abstract

The civil air defense door comprises a base part, a door leaf part, a transmission assembly and a doorsill part, the base part is provided with a plane, the plane is provided with an avoiding opening communicated with an inner cavity of the base part, the door leaf part is rotatably arranged on the upper side of the plane, the transmission assembly is arranged on the base part and connected with the door leaf part, and the doorsill part is arranged on the door leaf part. The doorsill part is arranged on the base part in a lifting mode, the door leaf part and the doorsill part are arranged front and back, the doorsill part is connected with the transmission assembly, and when the door leaf part is rotationally opened, the door leaf part can drive the doorsill part to descend through the transmission assembly so as to drive the doorsill part to move to the receding opening and be flush with the plane, so that daily personnel or vehicles can pass conveniently; when the door leaf part is rotationally closed, the door leaf part can drive the threshold part to ascend through the transmission assembly so that the threshold part can be driven to move to the position higher than the bottom of the door leaf part from the receding opening.

Description

Technical Field

[0001] The present invention relates to the technical field of civil air defense doors, and in particular to a civil air defense door with a linkage lifting threshold. Background Art

[0002] Civil defense doors (including protective doors, closed doors, etc.) are protective equipment and are widely used in underground warehouses, underground parking lots, etc. In the existing technology, some civil defense doors include door leaf members and threshold members arranged at the front and rear, wherein the threshold member is higher than the bottom of the door leaf member, so as to improve the protection and sealing effect of the overall civil defense door after the door leaf member is rotated and closed. However, the design of the above threshold member is not conducive to the daily passage of people or vehicles. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a civil air defense door with a linked lifting threshold.

[0004] According to an embodiment of the present invention, a civil defense door with a linked lifting threshold includes a base member, a door leaf member, a transmission assembly and a threshold member, the base member is provided with a plane, the plane is provided with an avoidance opening connected to the inner cavity of the base member, the door leaf member is rotatably arranged on the upper side of the plane, the transmission assembly is arranged on the base member, the transmission assembly is connected to the door leaf member, the threshold member is liftably arranged on the base member, the door leaf member and the threshold member are arranged front and back, and the threshold member is connected to the transmission assembly, wherein, when the door leaf member is rotated to open, the door leaf member can drive the threshold member to descend through the transmission assembly, so as to drive the threshold member to move to the avoidance opening and be flush with the plane, and when the door leaf member is rotated to close, the door leaf member can drive the threshold member to rise through the transmission assembly, so as to drive the threshold member to move from the avoidance opening to a bottom higher than the door leaf member.

[0005] A civil air defense door with a linkage lifting threshold according to an embodiment of the present invention has at least the following beneficial effects:

[0006] Through the above structure, on the one hand, when the door leaf is rotated to open, the door leaf can drive the threshold member to descend through the transmission assembly, so that the threshold member can be driven to move to the avoidance opening and be flush with the plane, so as to facilitate the daily passage of people or vehicles; when the door leaf is rotated to close, the door leaf can drive the threshold member to rise through the transmission assembly, so that the threshold member can be driven to move from the avoidance opening to above the bottom of the door leaf, so as to improve the protection and sealing effect of the overall civil defense door.

[0007] According to some embodiments of the present invention, the transmission assembly includes a first rod, a swing rod and a connecting rod assembly, wherein the first rod is provided in at least two, one end of the first rod is rotatably connected to the base member, the other end of the first rod is rotatably connected to the swing rod, at least two first rods are arranged in sequence along the length direction of the swing rod, the first rod or the swing rod is connected to the threshold member, the connecting rod assembly is provided on the base member, the door leaf member and the swing rod are both connected to the connecting rod assembly, wherein the door leaf member can rotate to drive the swing rod to swing through the connecting rod assembly, and the swinging swing rod can drive the threshold member to rise or fall.

[0008] According to some embodiments of the present invention, the threshold member is provided with a second rod having a first tooth portion, the base member is rotatably connected to a first gear, one end of the first rod is connected to the first gear, and the first gear is meshed with the first tooth portion, wherein the swinging swing rod can drive the first gear to rotate through the first rod, thereby driving the second rod to move and drive the threshold member to rise or fall.

[0009] According to some embodiments of the present invention, the swing rod is rotatably connected to at least two third rods, and at least two of the third rods are arranged in sequence along the length direction of the swing rod. The third rods are rotatably connected to the threshold piece, wherein the swinging swing rod can drive the threshold piece to rise or fall through the third rods.

[0010] According to some embodiments of the present invention, one of the base member and the threshold member is provided with a guide cylinder, and the other one is provided with a guide rod, and the guide rod is inserted into the guide cylinder.

[0011] According to some embodiments of the present invention, the swing rod is provided with a first ball joint portion, the connecting rod assembly includes a fourth rod, a fifth rod, a sixth rod, a seventh rod and an eighth rod, the fourth rod is rotatably connected to the base member, the fourth rod sleeve is provided with a second gear, the fourth rod is connected to the door leaf member, the fifth rod is slidably provided on the base member, the fifth rod is provided with a second tooth portion, the second tooth portion is meshed with the second gear, one end of the sixth rod is rotatably connected to the fifth rod, the seventh rod is rotatably connected to the base member, one end of the seventh rod is rotatably connected to the other end of the sixth rod, and the other end is rotatably connected with a flap member, one end of the eighth rod is movably sleeved on the first ball joint portion, and the other end is provided with a second ball joint portion, and the flap member is movably sleeved on the second ball joint portion, wherein the door leaf member can rotate to drive the swing rod to swing through the fourth rod, the fifth rod, the sixth rod, the seventh rod and the eighth rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0013] Figure 1 It is a structural diagram of an embodiment of a protective door of the present invention;

[0014] Figure 2 for Figure 1 Another structural diagram of the protective door shown in;

[0015] Figure 3 for Figure 1 The structural diagram of the protective door with some parts removed;

[0016] Figure 4 for Figure 1 Another structural diagram after removing some parts of the protective door shown in;

[0017] Figure 5 This is a structural diagram of another embodiment of the protective door of the present invention after some components are removed;

[0018] Figure 6 for Figure 1 A cross-sectional view of the protective door shown in FIG. 1 with some parts removed;

[0019] Figure 7 It is a structural diagram of an embodiment of a closed door of the present invention;

[0020] Figure 8 for Figure 7 Another structural diagram of the closed door shown in ;

[0021] Fig. 9 for Figure 7 The structural diagram of the closed door with some parts removed;

[0022] Fig.10 This is a structural diagram of another embodiment of the airtight door of the present invention with some components removed.

[0023] Reference numerals:

[0024] Base member 100, plane 110, avoidance opening 111;

[0025] Door leaf member 200;

[0026] Transmission assembly 300, first rod 310, swing rod 320, first ball joint portion 321, connecting rod assembly 330, fourth rod 331, second gear 331A, fifth rod 332, second gear portion 332A, sixth rod 333, seventh rod 334, flap 334A, eighth rod 335, second ball joint portion 335A;

[0027] Threshold member 400, guide cylinder 410;

[0028] The second rod 510 , the first toothed portion 511 , the first gear 520 , the third rod 530 , and the guide rod 540 . DETAILED DESCRIPTION

[0029] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0030] In the description of the present invention, if there is a description of first, second, third, fourth, fifth, etc., it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence of the indicated technical features.

[0031] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 therefore should not be understood as a limitation on the present invention.

[0032] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0033] Reference Figures 1 to 4 In an embodiment of the present invention, a civil air defense door with a linkage lifting threshold is a protective door, which includes a base member 100, a door leaf member 200, a transmission assembly 300 and a threshold member 400.

[0034] The base member 100 is provided with a plane 110, and the plane 110 is provided with an escape opening 111 communicating with the inner cavity of the base member 100, the door leaf member 200 is rotatably arranged on the upper side of the plane 110, the transmission assembly 300 is arranged on the base member 100, the transmission assembly 300 is connected to the door leaf member 200, the threshold member 400 is escalably arranged on the base member 100, the door leaf member 200 and the threshold member 400 are arranged front and back, and the threshold member 400 is connected to the transmission assembly 300. Among them, the escape opening 111 cooperates with the threshold member 400; the door leaf member 200 is rotatably arranged on the upper side of the plane 110 through the door frame member, and the door leaf member 200 is a double-door structure.

[0035] When the door leaf 200 rotates to open, the door leaf 200 can drive the threshold 400 to descend through the transmission assembly 300 , so as to drive the threshold 400 to move to the avoidance opening 111 and be flush with the plane 110 .

[0036] When the door leaf 200 rotates to close, the door leaf 200 can drive the threshold 400 to rise through the transmission assembly 300 , so as to drive the threshold 400 to move from the escape opening 111 to a position higher than the bottom of the door leaf 200 .

[0037] Through the above structure, on the one hand, when the door leaf 200 rotates to open, the door leaf 200 can drive the threshold member 400 to descend through the transmission assembly 300, so that the threshold member 400 can be driven to move to the avoidance opening 111 and be flush with the plane 110, so as to facilitate the daily passage of people or vehicles; when the door leaf 200 rotates to close, the door leaf 200 can drive the threshold member 400 to rise through the transmission assembly 300, so as to drive the threshold member 400 to move from the avoidance opening 111 to above the bottom of the door leaf 200, so as to improve the protection and sealing effect of the overall civil defense door.

[0038] It is understandable that the threshold member 400 is higher than the bottom of the door leaf member 200 so that it can abut against the rear side of the door leaf member 200 after the door leaf member 200 is rotated and closed, thereby improving the protection and sealing effect of the overall civil air defense door.

[0039] The transmission assembly 300 includes a first rod 310 , a swing rod 320 and a connecting rod assembly 330 .

[0040] Reference Figure 3, four first rods 310 are provided, one end of the first rod 310 is rotatably connected to the base member 100, and the other end of the first rod 310 is rotatably connected to the swing rod 320, and the four first rods 310 are arranged in sequence along the length direction of the swing rod 320, the first rod 310 is connected to the threshold member 400, the connecting rod assembly 330 is provided on the base member 100, and the door leaf member 200 and the swing rod 320 are both connected to the connecting rod assembly 330, wherein the door leaf member 200 can rotate to drive the swing rod 320 to swing through the connecting rod assembly 330, and the swinging swing rod 320 can drive the threshold member 400 to rise or fall.

[0041] The first rod 310 is connected to the threshold member 400, and the swinging swing rod 320 can drive the threshold member 400 to rise or fall. Figure 3 and Figure 4 The threshold member 400 is provided with a second rod 510 having a first tooth portion 511, the base member 100 is rotatably connected to the first gear 520, one end of the first rod 310 is connected to the first gear 520, and the first gear 520 is meshed with the first tooth portion 511, wherein the swinging swing rod 320 can drive the first gear 520 to rotate through the first rod 310, thereby driving the second rod 510 to move and drive the threshold member 400 to rise or fall.

[0042] In some embodiments, the swing rod 320 is connected to the threshold member 400, and the swinging swing rod 320 can drive the threshold member 400 to rise or fall. Figure 5 The swing rod 320 is rotatably connected to four third rods 530 , and the four third rods 530 are arranged in sequence along the length direction of the swing rod 320 . The third rods 530 are rotatably connected to the threshold member 400 , wherein the swinging swing rod 320 can drive the threshold member 400 to rise or fall through the third rods 530 .

[0043] In the above-mentioned embodiment where the swinging rod 320 is connected to the threshold member 400 and the swinging swinging rod 320 can drive the threshold member 400 to rise or fall, refer to Figure 5 The threshold member 400 is escalably disposed on the base member 100, and the specific implementation method thereof is that the threshold member 400 is provided with a guide cylinder 410, and the base member 100 is provided with a guide rod 540, and the guide rod 540 is inserted into the guide cylinder 410. Of course, in some embodiments, the guide rod 540 can be disposed on the threshold member 400, and the guide cylinder 410 can be disposed on the base member 100.

[0044] In this embodiment, the swinging rod 320 is provided with a first ball joint portion 321 , and the connecting rod assembly 330 includes a fourth rod 331 , a fifth rod 332 , a sixth rod 333 , a seventh rod 334 and an eighth rod 335 .

[0045] Reference Figure 3 , Figure 4 as well as Figure 6 The fourth rod 331 is rotatably connected to the base member 100, the fourth rod 331 is sleeved with a second gear 331A, the fourth rod 331 is connected to the door leaf member 200, the fifth rod 332 is slidably arranged on the base member 100, the fifth rod 332 is provided with a second tooth portion 332A, the second tooth portion 332A is meshed with the second gear 331A, one end of the sixth rod 333 is rotatably connected to the fifth rod 332, the seventh rod 334 is rotatably connected to the base member 100, and one end of the seventh rod 334 is meshed with the second gear 331A. The other end of the sixth rod 333 is rotatably connected, and the other end is rotatably connected with a flap member 334A. One end of the eighth rod 335 is movably mounted on the first ball joint portion 321, and the other end is provided with a second ball joint portion 335A. The flap member 334A is movably mounted on the second ball joint portion 335A, wherein the door leaf member 200 can rotate to drive the swing rod 320 to swing through the fourth rod 331, the fifth rod 332, the sixth rod 333, the seventh rod 334 and the eighth rod 335.

[0046] Reference Figures 7 to 9 In the embodiment of the present invention, when a civil air defense door with a linkage lifting threshold is a closed door, it includes a base member 100, a door leaf member 200, a transmission assembly 300 and a threshold member 400. It can be understood that, except that the door leaf member 200 of the closed door structure of this embodiment is different from the door leaf member 200 of the protective door embodiment, the remaining structures and connection relationships are the same, so it will not be repeated here.

[0047] In some embodiments, the first rod 310 of the sealed door embodiment is connected to the threshold member 400, which can be replaced by a swing rod 320 connected to the threshold member 400, so that the swinging swing rod 320 can drive the threshold member 400 to rise or fall, referring to Fig.10 The swing rod 320 is rotatably connected to four third rods 530 , and the four third rods 530 are arranged in sequence along the length direction of the swing rod 320 . The third rods 530 are rotatably connected to the threshold member 400 , wherein the swinging swing rod 320 can drive the threshold member 400 to rise or fall through the third rods 530 .

[0048] Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A civil air defense door with a linkage lifting threshold, characterized in that: It comprises a base member (100) provided with a plane (110), wherein the plane (110) is provided with an escape opening (111) communicating with an inner cavity of the base member (100); A door leaf member (200) is rotatably disposed on the upper side of the plane (110); A transmission assembly (300) is arranged on the base member (100), and the transmission assembly (300) is connected to the door leaf member (200); The threshold member (400) is escalably arranged on the base member (100), the door leaf member (200) and the threshold member (400) are arranged front and back, and the threshold member (400) is connected to the transmission assembly (300), wherein: When the door leaf member (200) is rotated to open, the door leaf member (200) can drive the threshold member (400) to descend through the transmission assembly (300), so as to drive the threshold member (400) to move to the avoidance opening (111) and be flush with the plane (110). When the door leaf member (200) is rotated to close, the door leaf member (200) can drive the threshold member (400) to rise through the transmission assembly (300), so as to drive the threshold member (400) to move from the avoidance opening (111) to a bottom portion higher than the door leaf member (200).

2. The civil air defense door with a linkage lifting threshold according to claim 1, characterized in that: The transmission assembly (300) comprises: At least two first rods (310) are provided, and one end of the first rod (310) is rotatably connected to the base member (100); a swing rod (320), the other end of the first rod (310) being rotatably connected to the swing rod (320), at least two of the first rods (310) being arranged in sequence along the length direction of the swing rod (320), and the first rod (310) or the swing rod (320) being connected to the threshold member (400); A connecting rod assembly (330) is provided on the base member (100), and the door leaf member (200) and the swing rod (320) are both connected to the connecting rod assembly (330), wherein: The door leaf member (200) can rotate to drive the swing rod (320) to swing through the connecting rod assembly (330), and the swinging swing rod (320) can drive the threshold member (400) to rise or fall.

3. The civil air defense door with a linkage lifting threshold according to claim 2, characterized in that: The threshold member (400) is provided with a second rod (510) having a first tooth portion (511), the base member (100) is rotatably connected to a first gear (520), one end of the first rod (310) is connected to the first gear (520), and the first gear (520) is meshed with the first tooth portion (511), wherein: The swinging swing rod (320) can drive the first gear (520) to rotate through the first rod (310), so as to drive the second rod (510) to move and drive the threshold member (400) to rise or fall.

4. The civil air defense door with a linkage lifting threshold according to claim 2, characterized in that: The swing rod (320) is rotatably connected to at least two third rods (530), and the at least two third rods (530) are arranged in sequence along the length direction of the swing rod (320). The third rods (530) are rotatably connected to the threshold member (400), wherein: The swinging swing rod (320) can drive the threshold member (400) to rise or fall through the third rod (530).

5. The civil air defense door with a linkage lifting threshold according to claim 4, characterized in that: One of the base member (100) and the threshold member (400) is provided with a guide cylinder (410), and the other is provided with a guide rod (540), and the guide rod (540) is inserted into the guide cylinder (410).

6. The civil air defense door with a linkage lifting threshold according to claim 2, characterized in that: The swing rod (320) is provided with a first ball joint portion (321), and the connecting rod assembly (330) comprises: A fourth rod (331) is rotatably connected to the base member (100), the fourth rod (331) is sleeved with a second gear (331A), and the fourth rod (331) is connected to the door leaf member (200); a fifth rod (332) slidably disposed on the base member (100), the fifth rod (332) being provided with a second tooth portion (332A), the second tooth portion (332A) being meshed with the second gear (331A); a sixth rod (333), one end of which is rotatably connected to the fifth rod (332); A seventh rod (334) is rotatably connected to the base member (100), one end of the seventh rod (334) is rotatably connected to the other end of the sixth rod (333), and the other end is rotatably connected to a flap member (334A); The eighth rod (335) has one end movably mounted on the first ball joint (321), and the other end is provided with a second ball joint (335A), and the flap member (334A) is movably mounted on the second ball joint (335A), wherein: The door leaf member (200) is rotatable to drive the swing rod (320) to swing through the fourth rod (331), the fifth rod (332), the sixth rod (333), the seventh rod (334) and the eighth rod (335).

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