CN217813041U

CN217813041U - Movable threshold structure of reinforced concrete single-leaf protective airtight door

Info

Publication number: CN217813041U
Application number: CN202221812247.XU
Authority: CN
Inventors: 余睿
Original assignee: Wuhan Qinglong Civil Air Defense Components Manufacturing Co ltd
Current assignee: Wuhan Qinglong Civil Air Defense Components Manufacturing Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-11-15
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a reinforced concrete single fan protective airtight door's activity threshold structure, including the containing box, one side of containing box is provided with the transmission case, one side of containing box is provided with the control box, the top of containing box is provided with runs through and extends to the inside threshold body of containing box, the both sides of the positive inner wall of containing box are all rotated and are connected with the first pivot that runs through and extend to the transmission case, the outer lane of first pivot is provided with the backup pad, two the one end that first pivot is located the transmission case is provided with fourth bevel gear, the top of control box is provided with the second pivot that runs through and extend to the control box inside. This activity threshold structure of reinforced concrete single leaf protective airtight door can realize the purpose of packing up the threshold body through setting up containing box, control box, transmission case and backup pad etc. if when will rise the threshold body, only need the reversal hand wheel can reach the purpose that rises the threshold body.

Description

Movable threshold structure of reinforced concrete single-leaf protective airtight door

Technical Field

The utility model relates to a closed door activity threshold technical field specifically is a reinforced concrete single fan protective closed door's activity threshold structure.

Background

Reinforced concrete single leaf protective airtight door generally sets up in the access & exit outside, has and blocks two kinds of functions of shock wave and isolated toxicant, and protective airtight door should block the shock wave, satisfies corresponding resistance requirement, when choosing for use, not only should satisfy the needs of entrance to a cave size, still should satisfy the design pressure requirement, and reinforced concrete door has the low price, prevents advantages such as early nuclear radiation performance is good, nevertheless because of its dead weight is great, so generally be used for the personnel access & exit that the size is less relatively.

The movable doorsill of the existing reinforced concrete single-leaf protective airtight door is generally fixedly installed on the corresponding ground, and the doorsill can not be folded, so that the vehicle is inconvenient to walk and the like, and a doorsill structure capable of folding the doorsill of the reinforced concrete single-leaf protective airtight door is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a reinforced concrete single leaf protective airtight door's activity threshold structure to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reinforced concrete single leaf protective sealing door's activity threshold structure, includes the containing box, one side of containing box is provided with the transmission case, one side of containing box is provided with the control box, the top of containing box is provided with runs through and extends to the inside threshold body of containing box, the both sides of the positive inner wall of containing box all rotate and are connected with the first pivot that runs through and extend to the transmission case in, the outer lane of first pivot is provided with the backup pad, two the one end that first pivot is located the transmission case is provided with fourth bevel gear, the top of control box is provided with runs through and extends to the inside second pivot of control box, the one end that the second pivot is located the control box is provided with first bevel gear, one side inner wall of transmission case rotates and is connected with the third pivot that runs through and extend to the control box inside, the both sides outer lane of third pivot all is provided with third bevel gear.

As the utility model discloses a preferred technical scheme, the one end that the third pivot is located the control box is provided with second bevel gear, second bevel gear meshes with the first bevel gear that the one end that the second pivot is located the control box set up mutually.

As the preferred technical scheme of the utility model, the third bevel gear that the third pivot was located the both sides outer lane of transmission case and set up meshes mutually with the fourth bevel gear that first pivot was located the one end setting of transmission case.

As the utility model discloses an optimized technical scheme, two spouts have all been seted up to the both sides inner wall of containing box, and have placed the slider in the spout, and the outer wall of slider and the inside both sides bottom welding of threshold body position in containing box.

As the utility model discloses an optimized technical scheme, the one end that the second pivot is located the control box outside is provided with the hand wheel, the through-hole has all been seted up with the containing box junction to the control box.

As a preferred technical scheme of the utility model, spacing hole has been seted up to one side of second pivot, the top surface of control box and the both sides that are located the second pivot all are provided with the fixed plate, two one side that the fixed plate is close to each other is provided with the gag lever post that runs through and extend to positive fixed plate one side, and the spacing hole looks adaptation that gag lever post and second pivot were seted up, the one end that the gag lever post is located fixed plate one side is provided with the arm-tie.

As the utility model discloses an optimal technical scheme, containing box, control box and transmission case all set up the underground that needs installation door frame department.

Compared with the prior art, the utility model provides a reinforced concrete single fan protective airtight door's activity threshold structure possesses following beneficial effect:

this movable threshold structure of reinforced concrete single leaf protective airtight door, through setting up the containing box, a control box, transmission case and backup pad etc, the hand wheel rotates, can drive the second pivot and rotate, and then can drive first bevel gear and rotate, further can drive second bevel gear and rotate, can drive the third pivot and rotate, and then can drive third bevel gear and rotate, further can drive fourth bevel gear and rotate, can drive first pivot and rotate, and then can drive the backup pad and rotate, thereby can move the threshold body downwards, thereby can realize the purpose of packing up the threshold body, if when will rising the threshold body, only need the reversal hand wheel can reach the purpose that raises the threshold body.

Drawings

FIG. 1 is a schematic sectional view of the storage box of the present invention;

FIG. 2 is a schematic sectional view of the transmission case of the present invention;

fig. 3 is a schematic view of the appearance structure of the present invention.

Reference numerals are as follows: 1. a threshold body; 2. a storage box; 3. a first rotating shaft; 4. a support plate; 5. a control box; 6. a second rotating shaft; 7. a hand wheel; 8. a transmission case; 9. a first bevel gear; 10. a second bevel gear; 11. a third rotating shaft; 12. a third bevel gear; 13. a fourth bevel gear; 14. pulling a plate; 15. a fixing plate; 16. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, in the present embodiment: the utility model provides a movable threshold structure of reinforced concrete single fan protective airtight door, including containing box 2, can pack up threshold body 1, one side of containing box 2 is provided with transmission case 8, one side of containing box 2 is provided with control box 5, can control packing up and rising of threshold body 1 through setting up control box 5, the top of containing box 2 is provided with and runs through and extends to the inside threshold body 1 of containing box 2, the both sides of the positive inner wall of containing box 2 all rotate and are connected with and run through and extend to the first pivot 3 in the transmission case 8, the outer lane of first pivot 3 is provided with backup pad 4, can play the supporting role to the rising of threshold body 1, the one end that two first pivots 3 are located transmission case 8 is provided with fourth bevel gear 13, the top of control box 5 is provided with and runs through and extends to the inside second pivot 6 of control box 5, control box 5 and second pivot 6 are connected through the bearing frame, the one end that second pivot 6 is located the inside of control box 5 is provided with first bevel gear 9, the inner wall of one side of transmission case 8 rotates and is connected with and runs through and extends to the inside third pivot 11 of control box 5, the both sides of third pivot 11 all are provided with third bevel gear 12.

Referring to fig. 1, fig. 2 and fig. 3, in this embodiment, a second bevel gear 10 is disposed at one end of a third rotating shaft 11 located in a control box 5, the second bevel gear 10 is engaged with a first bevel gear 9 disposed at one end of the second rotating shaft 6 located in the control box 5, third bevel gears 12 disposed at outer rings of two sides of the third rotating shaft 11 located in a transmission box 8 are engaged with a fourth bevel gear 13 disposed at one end of the first rotating shaft 3 located in the transmission box 8, the threshold body 1 can be folded and lifted through transmission between the gears, two sliding grooves are disposed on inner walls of two sides of the storage box 2, sliding blocks are disposed in the sliding grooves, outer walls of the sliding blocks are welded to bottoms of two sides of the threshold body 1 located in the storage box 2, so as to facilitate folding and lifting of the threshold body 1, a hand wheel 7 is disposed at one end of the second rotating shaft 6 located outside the control box 5, through holes are disposed at a connection between the control box 5 and the storage box 2, a limiting hole is disposed at one side of the second rotating shaft 6, a fixing plate 15 is disposed at a side of the top surface of the control box 5, and a fixing plate 16 is disposed at a side of the control box, and a control box 2, and a control box 5, and a control box 16 is disposed at a control box, and a control box 16 disposed at a control box, and a control box.

The utility model discloses a theory of operation and use flow: this movable threshold structure of reinforced concrete single leaf protective airtight door, at first can bury containing box 2, control box 5 and transmission case 8 in the place that needs the installation threshold, and fix, later if need to receive up the threshold, pulling arm-tie 14 this moment, arm-tie 14 will drive gag lever post 16 and shift out from the spacing hole that second pivot 6 was seted up, and rotate hand wheel 7, hand wheel 7 can drive second pivot 6 and rotate this moment, second pivot 6 rotates and then can drive first bevel gear 9 and rotate, first bevel gear 9 rotates and then can drive second bevel gear 10 and rotate, second bevel gear 10 rotates and further can drive third pivot 11 and rotate, third pivot 11 rotates and can drive third bevel gear 12 and rotate, third bevel gear 12 rotates and then can drive fourth bevel gear 13 and rotate, fourth bevel gear 13 rotates and further can drive first pivot 3 and rotate, first pivot 3 rotates and can drive backup pad 4 and rotate, thereby can be with threshold body 1 downstream, thereby can realize the packing up of body 1, if need to rise the goal of threshold body 1, only the hand wheel 7 can be raised.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a reinforced concrete single leaf protective airtight door's activity threshold structure, includes containing box (2), its characterized in that: the novel multifunctional door sill is characterized in that a transmission box (8) is arranged on one side of the storage box (2), a control box (5) is arranged on one side of the storage box (2), a doorsill body (1) penetrating through and extending into the storage box (2) is arranged at the top of the storage box (2), first rotating shafts (3) penetrating through and extending into the transmission box (8) are rotatably connected to two sides of the front inner wall of the storage box (2), a supporting plate (4) is arranged on the outer ring of each first rotating shaft (3), a fourth bevel gear (13) is arranged at one end, located in the transmission box (8), of each first rotating shaft (3), a second rotating shaft (6) penetrating through and extending into the control box (5) is arranged at the top of the control box (5), a first bevel gear (9) is arranged at one end, located in the control box (5), of each second rotating shaft (6), a third rotating shaft (11) penetrating through and extending into the control box (5) is rotatably connected to the inner wall of one side of the transmission box (8), and third rotating shafts (12) are arranged on two sides of the third rotating shaft (11).

2. The movable doorsill structure of a reinforced concrete single-leaf protective airtight door as claimed in claim 1, wherein: and one end of the third rotating shaft (11) positioned in the control box (5) is provided with a second bevel gear (10), and the second bevel gear (10) is meshed with a first bevel gear (9) arranged at one end of the second rotating shaft (6) positioned in the control box (5).

3. The movable doorsill structure of a reinforced concrete single-leaf protective airtight door as claimed in claim 1, wherein: and third bevel gears (12) arranged on outer rings of two sides of the third rotating shaft (11) in the transmission case (8) are meshed with fourth bevel gears (13) arranged at one end of the first rotating shaft (3) in the transmission case (8).

4. The movable doorsill structure of a reinforced concrete single-leaf protective airtight door as claimed in claim 1, wherein: two sliding grooves are formed in the inner walls of the two sides of the containing box (2), sliding blocks are placed in the sliding grooves, and the outer walls of the sliding blocks are welded with the bottoms of the two sides, located inside the containing box (2), of the doorsill body (1).

5. The movable doorsill structure of a reinforced concrete single-leaf protective airtight door as claimed in claim 1, wherein: the hand wheel (7) is arranged at one end, located outside the control box (5), of the second rotating shaft (6), and through holes are formed in the connection position of the control box (5) and the containing box (2).

6. The movable doorsill structure of a reinforced concrete single-leaf protective airtight door as claimed in claim 1, wherein: spacing hole has been seted up to one side of second pivot (6), the top surface of control box (5) and the both sides that are located second pivot (6) all are provided with fixed plate (15), two one side that fixed plate (15) are close to each other is provided with gag lever post (16) that runs through and extend to positive fixed plate (15) one side, and gag lever post (16) and the spacing hole looks adaptation that second pivot (6) were seted up, the one end that gag lever post (16) are located fixed plate (15) one side is provided with arm-tie (14).

7. The movable doorsill structure of a reinforced concrete single-leaf protective airtight door as claimed in claim 1, characterized in that: containing box (2), control box (5) and transmission case (8) all set up the underground that needs installation door frame department.