CN216517642U

CN216517642U - Steel construction people's air defense door

Info

Publication number: CN216517642U
Application number: CN202123100603.3U
Authority: CN
Inventors: 张毅; 吴尚峰; 童进平; 李岳峰; 邹杰; 朱瑞贞
Original assignee: Guangdong Zhengdun Civil Defense Engineering Protective Equipment Co ltd
Current assignee: Guangdong Zhengdun Civil Defense Engineering Protective Equipment Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-05-13
Anticipated expiration: 2031-12-10

Abstract

The application discloses steel construction people's air defense door belongs to people's air defense door field, including door frame and door plant, the ring channel has been seted up to the preceding lateral wall of door frame, the right-hand member of door plant is articulated mutually with the right side cell wall of ring channel, the equal fixedly connected with fixed block in both ends middle part about the antetheca of door plant, the preceding lateral wall middle part fixedly connected with casing of door plant, it is connected with first lead screw to rotate through first antifriction bearing between two fixed blocks, the pole wall of first lead screw runs through the casing, the front side inner wall of casing rotates through second antifriction bearing and is connected with the bull stick, the front end of bull stick runs through to the outside of casing and the first runner of fixedly connected with, the fixed drive mechanism that is equipped with between the pole wall of the rear end of bull stick and first lead screw. The clamping rods can be rotated simultaneously, so that time and labor are saved; when the road surface is abraded, and the wheel body is separated from the ground, the universal wheels are convenient to enable the universal wheels to always support the door plate, and the service life of the hinge is prolonged.

Description

Steel construction people's air defense door

Technical Field

The application relates to the technical field of civil air defense doors, in particular to a steel structure civil air defense door.

Background

The civil air defense door is one of devices used by governments for mobilization and organization of masses, taking measures of air attack prevention and disaster resistance and relief, implementing rescue actions, and preventing and relieving disaster damage activities.

Current steel construction people's air defense door is worn and torn the back as the road surface for the wheel body and the ground separation of universal wheel make the pulley inefficacy, produce great influence to the life of hinge, so we have released a steel construction people's air defense door.

SUMMERY OF THE UTILITY MODEL

The application provides a steel construction people's air defense door to the back is worn and torn when the road surface that proposes in solving above-mentioned background art, makes the wheel body and the ground separation of universal wheel, makes the pulley inefficacy, produces the problem of great influence to the life of hinge.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a steel structure civil air defense door comprises a door frame and a door plate, wherein a ring-shaped groove is formed in the front side wall of the door frame, the right end of the door plate is hinged with the right side groove wall of the ring-shaped groove, fixed blocks are fixedly connected to the middle parts of the upper end and the lower end of the front wall of the door plate, a shell is fixedly connected to the middle part of the front side wall of the door plate, a first lead screw is rotatably connected between the two fixed blocks through a first rolling bearing, the rod wall of the first lead screw penetrates through the shell, a rotating rod is rotatably connected to the inner wall of the front side of the shell through a second rolling bearing, the front end of the rotating rod penetrates to the outer part of the shell and is fixedly connected with a first rotating wheel, a transmission mechanism is fixedly arranged between the rear end of the rotating rod and the rod wall of the first lead screw, a plurality of clamping rods which are uniformly distributed are arranged on the left side wall and the right side wall of the door plate from top to bottom, and the middle parts of the clamping rods are rotatably connected with the front side wall of the door plate through rotating shafts, the one end that a plurality of kellies are close to the casing all upwards inclines 45, the left and right sides inner wall of door frame all seted up with a plurality of kellies matched with draw-in grooves, the pole wall downside screw thread of first lead screw has cup jointed the horizontally rectangle pole, the upper end left and right sides symmetry level of rectangle pole has seted up the bar groove, two the inside in bar groove is all fixed and is equipped with link gear, the vertical rectangle sleeve of rear side wall bottom right side fixedly connected with of door plant, the inside of rectangle sleeve is through adjustment mechanism fixedly connected with universal wheel.

As a preferred embodiment, the transmission mechanism includes a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected with one end of the rotating rod located in the housing, the second bevel gear is fixedly sleeved with a rod wall of the first lead screw, and the first bevel gear and the second bevel gear are arranged in an engagement manner.

As a preferred embodiment, adjustment mechanism includes rectangular block and second lead screw, the vertical slip setting of rectangular block is in the telescopic inside of rectangle, the lower extreme of rectangular block extends to the telescopic outside of rectangle, the vertical screw hole of seting up in upper end middle part of rectangular block, the vertical mounting hole of seting up in upper end middle part of rectangular sleeve, the pole wall of second lead screw and the pore wall threaded connection of screw hole, the upper end of second lead screw is passed the mounting hole and is extended to the telescopic outside of rectangle, the pole wall of second lead screw passes through third antifriction bearing and is connected with the pore wall rotation of mounting hole.

As a preferred embodiment, a second rotating wheel is fixedly connected to the upper end of the second screw rod.

As a preferred embodiment, a groove wall of the annular groove is provided with a chamfer.

In a preferred embodiment, a sealing ring is fixedly connected to the groove bottom of the annular groove.

In a preferred embodiment, the sealing ring is a corrosion-resistant rubber ring.

As a preferred embodiment, the linkage mechanism comprises a sliding rod and a connecting rod, the sliding rod is horizontally and fixedly arranged inside the strip-shaped groove, the connecting rod is vertically sleeved on the rod wall of the sliding rod in a sliding manner, and the rod wall of the connecting rod is hinged to one end, close to the shell, of the corresponding clamping rods.

The beneficial effect of this application:

the steel structure civil air defense door is convenient to rotate a plurality of clamping rods simultaneously through the transmission mechanism, the shell, the first screw rod, the rectangular rods, the clamping rods and the linkage mechanism, and time and labor are saved;

this steel construction people's air defense door is through adjustment mechanism, rectangle sleeve and the universal wheel that is equipped with, and when the road surface was worn and torn, when the wheel body and ground separation, the universal wheel of being convenient for made it provide the support for the door plant all the time, has improved the life-span of hinge.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a side view schematic of the present application;

fig. 3 is an enlarged schematic view of a portion a of fig. 2.

Reference numbers in the figures: the device comprises a rectangular rod 1, a sliding rod 2, a connecting rod 3, a clamping rod 4, a rotating shaft 5, a fixed block 6, a door plate 7, a sealing ring 8, a door frame 9, a first screw rod 10, a first rotating wheel 11, a first bevel gear 12, a second bevel gear 13, a shell 14, a rotating rod 15, a universal wheel 16, a rectangular block 17, a rectangular sleeve 18, a second screw rod 19 and a second rotating wheel 20.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1, a steel structure civil air defense door comprises a door frame 9 and a door plate 7, wherein an annular groove is formed in the front side wall of the door frame 9, a chamfer is formed in the groove wall of the annular groove, the chamfer can be still easily opened after the door frame is damaged and deformed, and the right end of the door plate 7 is hinged to the right groove wall of the annular groove. The middle parts of the upper end and the lower end of the front wall of the door plate 7 are fixedly connected with fixed blocks 6, the middle part of the front side wall of the door plate 7 is fixedly connected with a shell 14, a first screw rod 10 is rotatably connected between the two fixed blocks 6 through a first rolling bearing, the rod wall of the first screw rod 10 penetrates through the shell 14, the front side inner wall of the shell 14 is rotatably connected with a rotating rod 15 through a second rolling bearing, the front end of the rotating rod 15 penetrates through the outer part of the shell 14 and is fixedly connected with a first rotating wheel 11, a transmission mechanism is fixedly arranged between the rear end of the rotating rod 15 and the rod wall of the first screw rod 10, a plurality of clamping rods 4 which are uniformly distributed are arranged at the left side and the right side of the first screw rod 10 from top to bottom, the middle parts of the plurality of clamping rods 4 are rotatably connected with the front side wall of the door plate 7 through rotating shafts, one ends of the plurality of the clamping rods 4, which are close to the shell 14, are inclined upwards by 45 degrees, and clamping grooves which are matched with the plurality of the clamping rods 4 are arranged at the left side and right side inner walls of the door frame 9 are respectively, horizontal rectangular pole 1 has been cup jointed to the pole wall downside screw thread of first lead screw 10, and the bar groove has been seted up to the upper end left and right sides symmetry level of rectangular pole 1, and the inside in two bar grooves is all fixed and is equipped with link gear, the vertical rectangular sleeve 18 of rear sidewall bottom right side fixedly connected with of door plant 7 department, and adjustment mechanism fixedly connected with universal wheel 16 is passed through to rectangular sleeve 18's inside, and universal wheel 16 can provide the support to door plant 7, is convenient for promote door plant 7.

Referring to fig. 1 and 2, the transmission mechanism includes a first bevel gear 12 and a second bevel gear 13, the first bevel gear 12 is fixedly connected with one end of a rotating rod 15 located in a housing 14, the second bevel gear 13 is fixedly sleeved with a rod wall of the first lead screw 10, and the first bevel gear 12 and the second bevel gear 13 are arranged in an engagement manner.

Referring to fig. 2 and 3, the adjusting mechanism includes a rectangular block 17 and a second lead screw 19, the rectangular block 17 is vertically slidably disposed inside a rectangular sleeve 18, the lower end of the rectangular block 17 extends to the outside of the rectangular sleeve 18, the middle part of the upper end of the rectangular block 17 is vertically provided with a threaded hole, the middle part of the upper end of the rectangular sleeve 18 is vertically provided with a mounting hole, the rod wall of the second screw rod 19 is in threaded connection with the hole wall of the threaded hole, the upper end of the second screw rod 19 passes through the mounting hole and extends to the outside of the rectangular sleeve 18, the rod wall of the second screw rod 19 is rotatably connected with the hole wall of the mounting hole through a third rolling bearing, the upper end of the second screw rod 19 is fixedly connected with a second rotating wheel 20, the second rotating wheel 20 is convenient for rotating the second screw rod 19, the adjusting mechanism can be worn on the road surface, when the wheel body is separated from the ground, the universal wheels 16 are adjusted to always provide support for the door panel 7, and the service life of the hinge is prolonged.

Referring to fig. 1 and 2, the bottom of the annular groove is fixedly connected with a sealing ring 8, the sealing ring 8 improves the sealing performance of the civil air defense door, and the sealing ring 8 is a corrosion-resistant rubber ring which is long in service life.

Referring to fig. 2 and 3, link gear includes slide bar 2 and connecting

rod

3, and 2 horizontal fixed settings of slide bar are in the inside of bar groove, and connecting rod 3 vertically slides and cup joints on the pole wall of slide bar 2, the pole wall of connecting rod 3 is articulated mutually with the one end that a plurality of kellies 4 that correspond are close to casing 14, and link gear can drive the kellies 4 rotation of both sides simultaneously, labour saving and time saving.

The working principle is as follows: when the door plate 7 is closed, the first rotating wheel 11 is rotated, the first rotating wheel 11 drives the rotating rod 15 to rotate, the rotating rod 15 drives the first screw rod 10 to rotate through the first bevel gear 12 and the second bevel gear 13, the first screw rod 10 drives the rectangular rod 1 to move downwards, the rectangular rod 1 drives the plurality of clamping rods 4 to rotate through the sliding rod 2 and the connecting rod 3 and is clamped with the clamping grooves, when the height of the universal wheel 16 needs to be adjusted, the second rotating wheel 20 is rotated, the second rotating wheel 20 drives the second screw rod 19 to rotate, and the second screw rod 19 drives the rectangular block 17 and the universal wheel 16 to move upwards or downwards.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. The utility model provides a steel construction people's air defense door, includes door frame (9) and door plant (7), its characterized in that, the ring channel has been seted up to the preceding lateral wall of door frame (9), the right-hand member of door plant (7) is articulated mutually with the right side cell wall of ring channel, equal fixedly connected with fixed block (6) in the middle part of both ends about the antetheca of door plant (7), preceding lateral wall middle part fixedly connected with casing (14) of door plant (7), two rotate through first antifriction bearing between fixed block (6) and be connected with first lead screw (10), the pole wall of first lead screw (10) runs through casing (14), the front side inner wall of casing (14) rotates through second antifriction bearing and is connected with bull stick (15), the front end of bull stick (15) runs through to the outside of casing (14) and fixedly connected with first runner (11), it is fixed between the pole wall of rear end of bull stick (15) and first lead screw (10) to be equipped with drive mechanism, the front side wall of the door panel (7) is positioned at the left side and the right side of the first screw rod (10) and is provided with a plurality of clamping rods (4) which are uniformly distributed from top to bottom, the middle parts of the clamping rods (4) are rotatably connected with the front side wall of the door panel (7) through rotating shafts, one end of each clamping rod (4) close to the shell (14) is inclined upwards by 45 degrees, the inner walls of the left side and the right side of the door frame (9) are both provided with a clamping groove matched with the plurality of clamping rods (4), a horizontal rectangular rod (1) is sleeved on the lower side of the rod wall of the first screw rod (10) in a threaded manner, the left side and the right side of the upper end of the rectangular rod (1) are symmetrically and horizontally provided with a strip-shaped groove, the insides of the two strip-shaped grooves are both fixedly provided with a linkage mechanism, a vertical rectangular sleeve (18) is fixedly connected at the right side of the bottom of the rear side wall of the door panel (7), the inside of the rectangular sleeve (18) is fixedly connected with a universal wheel (16) through an adjusting mechanism.

2. The steel structure civil air defense door as claimed in claim 1, wherein the transmission mechanism comprises a first bevel gear (12) and a second bevel gear (13), the first bevel gear (12) is fixedly connected with one end of the rotating rod (15) positioned in the shell (14), the second bevel gear (13) is fixedly sleeved with the rod wall of the first screw rod (10), and the first bevel gear (12) and the second bevel gear (13) are arranged in an engagement manner.

3. The steel structure civil air defense door as claimed in claim 1, wherein the adjusting mechanism comprises a rectangular block (17) and a second screw rod (19), the rectangular block (17) is vertically and slidably arranged inside the rectangular sleeve (18), the lower end of the rectangular block (17) extends to the outside of the rectangular sleeve (18), a threaded hole is vertically formed in the middle of the upper end of the rectangular block (17), a mounting hole is vertically formed in the middle of the upper end of the rectangular sleeve (18), the rod wall of the second screw rod (19) is in threaded connection with the hole wall of the threaded hole, the upper end of the second screw rod (19) penetrates through the mounting hole and extends to the outside of the rectangular sleeve (18), and the rod wall of the second screw rod (19) is rotatably connected with the hole wall of the mounting hole through a third rolling bearing.

4. The steel structure civil air defense door of claim 3, characterized in that the upper end of the second screw rod (19) is fixedly connected with a second rotating wheel (20).

5. The steel structure civil air defense door of claim 1, wherein the groove wall of the annular groove is chamfered.

6. A steel construction civil air defense door according to claim 1, characterized in that the bottom of the ring groove is fixedly connected with a sealing ring (8).

7. The steel structural civil air defense door of claim 6, characterized in that the sealing ring (8) is a corrosion resistant rubber ring.

8. The steel structure civil air defense door of claim 1, characterized in that, the link gear includes slide bar (2) and connecting rod (3), slide bar (2) horizontal fixed setting is in the inside of bar groove, connecting rod (3) vertical slip cup joint is on the pole wall of slide bar (2), the pole wall of connecting rod (3) and a plurality of kelly (4) that correspond are close to one end of casing (14) and are articulated mutually.