CN216517642U - Steel construction people's air defense door - Google Patents

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

A steel structure civil air defense door

technical field

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

Background technique

The civil air defense door is one of the equipment used by the government to mobilize and organize the masses to take anti-aircraft, anti-disaster relief measures, implement rescue operations, and prevent and reduce disaster hazards.

When the existing steel structure air defense door is worn out, the wheel body of the universal wheel is separated from the ground, which makes the pulley fail and has a great impact on the service life of the hinge. Therefore, we have introduced a steel structure air defense door.

Utility model content

A steel structure civil air defense door proposed in the present application solves the problem in the above background technology that when the road surface is worn, the wheel body of the universal wheel is separated from the ground, so that the pulley becomes invalid, which has a greater impact on the service life of the hinge. The problem.

In order to achieve the above object, the application adopts the following technical solutions:

A steel structure civil air defense door, comprising a door frame and a door panel, an annular groove is provided on the front side wall of the door frame, the right end of the door panel is hinged with the right side groove wall of the annular groove, and the upper and lower ends of the front wall of the door panel are in the middle. Both are fixedly connected with a fixing block, the middle part of the front side wall of the door panel is fixedly connected with a casing, and a first screw rod is rotatably connected between the two fixed blocks through a first rolling bearing, and the rod wall of the first screw rod is connected. Passing through the casing, the front inner wall of the casing is rotatably connected with a rotating rod through the second rolling bearing, the front end of the rotating rod penetrates to the outside of the casing and is fixedly connected with a first runner, and the rear end of the rotating rod A transmission mechanism is fixed between it and the rod wall of the first screw rod. The front side wall of the door panel is located on the left and right sides of the first screw rod. A plurality of evenly distributed clamping rods are arranged from top to bottom. The middle part of the clamping rod is rotatably connected with the front side wall of the door panel through a rotating shaft, one end of the plurality of clamping rods close to the casing is inclined upward by 45°, and the inner walls of the left and right sides of the door frame are provided with a plurality of clamping rods. The rod is matched with the slot, the lower side of the rod wall of the first screw rod is threadedly sleeved with a horizontal rectangular rod, and the upper end of the rectangular rod is symmetrically opened with strip-shaped grooves on the left and right sides. A linkage mechanism is fixed inside the groove, a vertical rectangular sleeve is fixedly connected to the bottom right side of the rear side wall of the door panel, and a universal wheel is fixedly connected to the inside of the rectangular sleeve through an adjustment mechanism.

As a preferred embodiment, the transmission mechanism includes a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected to one end of the rotating rod located in the housing, and the second bevel gear is connected to the first wire The rod wall of the rod is fixedly sleeved, and the first bevel gear and the second bevel gear are arranged in mesh with each other.

As a preferred embodiment, the adjustment mechanism includes a rectangular block and a second screw rod, the rectangular block is vertically slidably arranged inside the rectangular sleeve, and the lower end of the rectangular block extends to the outside of the rectangular sleeve, A threaded hole is vertically opened in the middle of the upper end of the rectangular block, a mounting hole is vertically opened in the middle of the upper end of the rectangular sleeve, the rod wall of the second screw rod is threadedly connected with the hole wall of the threaded hole, and the first The upper end of the second screw rod passes through the mounting hole and extends to the outside of the rectangular sleeve, and the rod wall of the second screw rod is rotatably connected to the hole wall of the mounting hole through a third rolling bearing.

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

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

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

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

As a preferred embodiment, the linkage mechanism includes a sliding rod and a connecting rod, the sliding rod is horizontally fixed inside the bar-shaped groove, and the connecting rod is vertically slidably sleeved on the rod wall of the sliding rod, The rod wall of the connecting rod is hinged with one end of the corresponding plurality of clamping rods close to the casing.

Beneficial effects of this application:

The steel structure air defense door is convenient to rotate a plurality of clamping rods at the same time through the transmission mechanism, the casing, the first screw rod, the rectangular rod, the clamping rod and the linkage mechanism, which saves time and effort;

The steel structure civil air defense door is provided with an adjusting mechanism, a rectangular sleeve and a universal wheel, when the road surface is worn and the wheel body is separated from the ground, it is convenient for the universal wheel to provide support for the door panel all the time, and the life of the hinge is improved.

Description of drawings

Fig. 1 is the structural representation of this application;

Fig. 2 is the side view structure schematic diagram of the application;

FIG. 3 is an enlarged schematic view of part A of FIG. 2 .

Labels in the figure: 1 rectangular rod, 2 sliding rod, 3 connecting rod, 4 clamping rod, 5 rotating shaft, 6 fixing block, 7 door panel, 8 sealing ring, 9 door frame, 10 first screw rod, 11 first wheel, 12 First bevel gear, 13 second bevel gear, 14 housing, 15 rotating rod, 16 universal wheel, 17 rectangular block, 18 rectangular sleeve, 19 second screw rod, 20 second runner.

Detailed ways

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. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments.

1, a steel structure civil air defense door, including a door frame 9 and a door panel 7, the front side wall of the door frame 9 is provided with an annular groove, the groove wall of the annular groove is provided with a chamfer, and the chamfer can still be deformed after the door frame is damaged. Easy to open, the right end of the door panel 7 is hinged with the right groove wall of the annular groove. A fixing block 6 is fixedly connected to the middle of the upper and lower ends of the front wall of the door panel 7, a housing 14 is fixedly connected to the middle of the front side wall of the door panel 7, and a first screw rod 10 is rotatably connected between the two fixing blocks 6 through a first rolling bearing. , the rod wall of the first screw rod 10 penetrates the housing 14, the front inner wall of the housing 14 is rotatably connected with a rotating rod 15 through the second rolling bearing, and the front end of the rotating rod 15 penetrates to the outside of the casing 14 and is fixedly connected with the first Rotating wheel 11, a transmission mechanism is fixed between the rear end of the rotating rod 15 and the rod wall of the first screw rod 10, the front side wall of the door panel 7 is located on the left and right sides of the first screw rod 10 from top to bottom A plurality of evenly distributed clamping rods 4 are arranged at the bottom, and the middle parts of the plurality of clamping rods 4 are rotatably connected with the front side wall of the door panel 7 through the rotating shaft. , the inner walls of the left and right sides of the door frame 9 are provided with clamping grooves which are matched with a plurality of clamping rods 4, the lower side of the rod wall of the first screw rod 10 is threadedly sleeved with a horizontal rectangular rod 1, and the upper end of the rectangular rod 1 has two left and right sides. A strip-shaped groove is opened symmetrically and horizontally on the side, and a linkage mechanism is fixed inside the two strip-shaped grooves. A vertical rectangular sleeve 18 is fixedly connected to the right side of the bottom of the rear side wall of the door panel 7. The interior of the rectangular sleeve 18 The universal wheel 16 is fixedly connected with the adjusting mechanism, and the universal wheel 16 can provide support for the door panel 7 so as to facilitate the pushing of the door panel 7 .

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 to one end of the rotating rod 15 located in the housing 14, and the second bevel gear 13 is connected to the first wire The rod wall of the rod 10 is fixedly sleeved, and the first bevel gear 12 and the second bevel gear 13 are meshed with each other.

2 and 3 , the adjustment mechanism includes a rectangular block 17 and a second screw rod 19 , the rectangular block 17 is vertically slidably arranged inside the rectangular sleeve 18 , and the lower end of the rectangular block 17 extends to the outside of the rectangular sleeve 18 , the upper end of the rectangular block 17 is vertically opened with a threaded hole, the upper end of the rectangular sleeve 18 is vertically opened with a mounting hole, the rod wall of the second screw rod 19 is threadedly connected to the hole wall of the threaded hole, and the second screw The upper end of the 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 to the hole wall of the mounting hole through the third rolling bearing, and the upper end of the second screw rod 19 is fixedly connected with the first screw rod. Two runners 20, the second runner 20 is convenient to rotate the second screw 19, and the adjustment mechanism can adjust the universal wheel 16 when the road surface is worn and the wheel body is separated from the ground to provide support for the door panel 7 at all times, and the hinge is improved. lifespan.

1 and 2, a sealing ring 8 is fixedly connected to the bottom of the annular groove. The sealing ring 8 improves the airtightness of the air defense door. The sealing ring 8 is a corrosion-resistant rubber ring, and the corrosion-resistant rubber ring has a long service life.

2 and 3, the linkage mechanism includes a sliding rod 2 and a connecting rod 3, the sliding rod 2 is horizontally and fixedly arranged inside the bar-shaped groove, and the connecting rod 3 is vertically slidably sleeved on the rod wall of the sliding rod 2. The said The rod wall of the connecting rod 3 is hinged with one end of the corresponding plurality of clamping rods 4 close to the casing 14 , and the linkage mechanism can simultaneously drive the clamping rods 4 on both sides to rotate, saving time and effort.

Working principle: when the door panel 7 is closed, the first runner 11 is rotated, the first runner 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, and the second bevel gear 13 rotates. A rod 10 drives the rectangular rod 1 to move downward, and 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 groove. When the height of the universal wheel 16 needs to be adjusted, rotate the second rotation The wheel 20, the second runner 20 drives the second screw 19 to rotate, and the second screw 19 drives the rectangular block 17 and the universal wheel 16 to move up or down.

In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "top", "bottom", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation on this application.

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

The above are only the preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto. The equivalent replacement or change of the utility model concept thereof shall be covered within the protection scope of the present application.

Claims (8)

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.

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