CN215485387U

CN215485387U - Protective airtight door with improved locking mechanism

Info

Publication number: CN215485387U
Application number: CN202121418377.0U
Authority: CN
Inventors: 李红军; 吴佳佳; 价拓; 吴洋; 王献军
Original assignee: Anhui Li'ang Civil Air Defense Engineering Equipment Co ltd
Current assignee: Anhui Li'ang Civil Air Defense Engineering Equipment Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-11
Anticipated expiration: 2031-06-23

Abstract

The invention discloses a protective airtight door with an improved locking mechanism, which comprises a door frame, a door body rotationally installed in the door frame, a rotating mechanism used for rotating the door body and a locking mechanism used for locking the door body, wherein the locking mechanism comprises a rotating roller which is rotationally installed on the door body and is vertical to the door body, the rotating roller takes the axis of the rotating roller as a rotating axis, a vertical gear is fixedly installed on the rotating roller, and the axis of the vertical gear is collinear with the axis of the rotating roller; the left side and the right side of the vertical gear are both vertically provided with a vertical rod which is parallel to the door body, and the two vertical rods are centrosymmetric by taking the rotating roller as a rotating axis; the fixed rack that is provided with of one end of montant, rack and perpendicular gear engagement, the other end of montant runs through the door body, sets up on the door frame and supplies montant male perpendicular spread groove. This application has the effect of simplifying airtight door locking mechanism, improvement locking mechanism efficiency.

Description

Protective airtight door with improved locking mechanism

Technical Field

The invention relates to the field of civil air defense engineering equipment, in particular to a protective airtight door with an improved locking mechanism.

Background

The air-tight door is one of people's air-tight doors, the people's air-tight door is the door of people's protection engineering access & exit, people's air-tight door classification is more bright, has ordinary single, biparting protective air-tight door and air-tight door, and various people's air-tight equipments such as door threshold list, biparting protective air-tight door and air-tight door of living.

The China patent with the publication number of CN209509988U discloses a civil air defense door, which comprises a door leaf and a door frame hinged with the door leaf, wherein the periphery of the door leaf is outwards extended with a coplanar overlapping edge extending out of the door frame and coplanar with the door leaf except the hinged edge with the door frame, a wall body is provided with a sinking groove embedded with the overlapping edge of the door leaf, a sealing device is arranged between the door leaf and the wall body, an electromagnetic adsorption component is distributed in the sinking groove, and the electromagnetic adsorption component is positioned between the sealing device and the wall surface of the sinking groove.

In view of the above-mentioned related art, the inventor believes that the method of locking the airtight door by using the hydraulic cylinder and the electromagnetic assembly has the problems of complicated structure and low efficiency.

Disclosure of Invention

To provide a more secure attachment between the containment door and the doorframe, the present application provides a protective containment door with an improved latching mechanism.

The application provides a protective airtight door with modified blocked mechanical system adopts following technical scheme:

a protective airtight door with an improved locking mechanism comprises a door frame, a door body rotatably installed in the door frame, a rotating mechanism used for rotating the door body and a locking mechanism used for locking the door body, wherein the locking mechanism comprises a rotating roller which is rotatably installed on the door body and is perpendicular to the door body, the rotating roller takes the axis of the rotating roller as a rotating axis, a vertical gear is fixedly installed on the rotating roller, and the axis of the vertical gear is collinear with the axis of the rotating roller; a vertical rod is vertically arranged on each of the left side and the right side of the vertical gear, the vertical rods are parallel to the door body, and the two vertical rods are centrosymmetric by taking the rotating roller as a rotating axis; the door is characterized in that a rack is fixedly arranged at one end of the vertical rod, the rack is meshed with the vertical gear, the other end of the vertical rod penetrates through the door body, and a vertical connecting groove for inserting the vertical rod is formed in the door frame.

By adopting the technical scheme, the vertical gear is used for rotating to drive the rack to move, so that the vertical rod extends out in the direction away from the center of the door body and is inserted into the vertical connecting groove, the mechanism of the locking mechanism is simplified, the stability of the locking mechanism is improved, and the locking efficiency of the locking mechanism is also improved.

Optionally, a transverse gear is further fixedly mounted on the rotating roller, an axis of the transverse gear is collinear with an axis of the rotating roller, and a nominal diameter of the transverse gear is equal to a nominal diameter of the vertical gear; the upper side and the lower side of the transverse gear are both horizontally provided with a transverse rod, the transverse rods are parallel to the door body, and the two transverse rods are centrosymmetric by taking the rotating roller as a rotating axis; the door is characterized in that a rack is fixedly arranged at one end of the cross rod, the rack is meshed with the cross gear, the other end of the cross rod penetrates through the door body, and a cross connecting groove for inserting the cross rod is further formed in the door frame.

Through adopting above-mentioned technical scheme, the horizontal pole has improved the joint strength of door body in the door frame in inserting horizontal spread groove, is that the locking of door body is more firm.

Optionally, the horizontal pole with all overlap on the montant and be equipped with the boss, the boss with door body fixed connection, the horizontal pole with the montant is all established the cover is established in the boss.

Through adopting above-mentioned technical scheme, the boss has promoted montant and horizontal pole and the joint strength with the door body, has reduced the possibility of being opened the door body by external force by force, has promoted the intensity and the reliability of door body.

Optionally, still install laborsaving mechanism in the door body, laborsaving mechanism include with erect gear engagement's input gear, input gear rotatory install in on the door body, input gear's axial lead parallel with erect gear's axial lead, just input gear's rotation axis and self axial lead collineation, input gear's nominal diameter is less than erect gear's nominal diameter.

By adopting the technical scheme, the nominal diameter of the input gear is smaller than that of the vertical gear, the vertical gear and the transverse gear are driven by the input gear to rotate, the labor-saving effect can be achieved, and the locking efficiency is improved.

Optionally, a hand wheel is fixedly connected to the input gear, an axial lead of the hand wheel is collinear with an axial lead of the input gear, and a diameter of the hand wheel is larger than that of the vertical gear.

By adopting the technical scheme, the opening and closing of the door body can be easily controlled outside the door body through the hand wheel connected with the input gear, and the diameter of the hand wheel is larger than that of the vertical gear, so that labor is saved when the hand wheel is rotated.

Optionally, an anti-slip ring is sleeved on the outer diameter of the hand wheel, a rotating column is further fixedly mounted on the hand wheel, and the rotating column is fixedly mounted on the outer diameter of the hand wheel and perpendicular to the hand wheel.

Through adopting above-mentioned technical scheme, rotate the hand wheel through rotating the post and can reduce the swing range of operating personnel health when rotating the hand wheel, further for operating personnel laborsaving.

Optionally, a lubricating mechanism is further fixedly mounted in the door body, the lubricating mechanism includes an oil dripping pipe, the oil dripping pipe is vertically mounted on the door body, one end of the oil dripping pipe is closed and is fixedly connected with the side surface of the door body close to the transverse gear, and the other end of the oil dripping pipe is coplanar with the side surface of the door body close to the vertical gear; the oil dripping pipe is positioned right above the vertical gear and the transverse gear, and one side of the oil dripping pipe, which is close to the rotating roller, is provided with an oil dripping hole.

Through adopting above-mentioned technical scheme, oil drip pipe sets up directly over perpendicular gear and cross gear, and on lubricating oil that adds from oil drip pipe dripped perpendicular gear and cross gear from the oil drip hole, reduced the frictional force of meshing department, made the door body can be with opening and closing easily.

Optionally, a blocking piece is rotatably mounted on the door body, a rotation axis of the blocking piece is perpendicular to the door body, and the blocking piece blocks the oil dripping pipe.

By adopting the technical scheme, the shielding block shields the opening of the oil dripping pipe, so that the possibility that sundries enter the door body from the oil dripping pipe to cause the locking mechanism to be clamped is reduced.

In summary, the present application has the following beneficial technical effects, including but not limited to:

1. the locking mechanism of the airtight door is simplified, and the efficiency of the locking mechanism is improved;

2. the possibility that the sealed door is not easy to open due to insufficient lubrication of the locking mechanism is reduced.

Drawings

Fig. 1 is a schematic diagram of the present embodiment.

Fig. 2 is a partial sectional view of the present embodiment.

FIG. 3 is a schematic view of the cam locking mechanism.

Description of reference numerals:

1. a door frame; 2. a door body; 3. a locking mechanism; 31. a rotating roller; 32. a vertical gear; 33. a vertical rod; 34. a rack; 35. a vertical connecting groove; 36. a transverse gear; 37. a cross bar; 38. a horizontal connecting groove; 39. a reinforcing block; 4. a rotating mechanism; 5. a labor-saving mechanism; 51. an input gear; 52. a hand wheel; 53. an anti-slip ring; 54. rotating the column; 6. a lubrication mechanism; 61. an oil dripping pipe; 62. an oil drip hole; 63. and (6) blocking the blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Embodiments of the present application disclose a protective containment door with an improved latching mechanism. Referring to fig. 1, a protective airtight door having an improved locking mechanism includes a door frame 1, a swing mechanism 4, and a door body 2 rotatably installed in the door frame 1 by the swing mechanism 4.

Referring to fig. 2 and 3, a vertical side of the door body 2 is hinged to the door frame 1 through a rotating mechanism 4, a locking mechanism 3 for locking the door body 2 in the door frame 1 is installed in the door body 2, the locking mechanism 3 includes a rotating roller 31, the rotating roller 31 is rotatably installed in the door body 2 and is perpendicular to the door body 2, and the rotating roller 31 uses its own axial lead as a rotation axis. The rotating roller 31 is fixedly provided with a vertical gear 32, and the axis of the vertical gear 32 is collinear with the axis of the rotating roller 31. The left side and the right side of the vertical gear 32 are both provided with a vertical rod 33 in a sliding way, and the vertical rod 33 is parallel to the door body 2 and is vertically arranged. One end of the outer side surface of the vertical rod 33 is fixedly provided with a rack 34 meshed with the vertical gear 32, the other end of the vertical rod 33 penetrates through the door body 2, a vertical connecting groove 35 for inserting the vertical rod 33 is formed in the door frame 1, and the other end of the vertical rod 33 is inserted into the vertical connecting groove 35. The two vertical bars 33 are arranged in a central symmetry manner with the axis of the rotating roller 31 as the rotation axis. The rotating roller 31 is also fixedly provided with a transverse gear 36, the nominal diameter of the transverse gear 36 is equal to that of the vertical gear 32, and the axial lead of the transverse gear 36 is collinear with the axial lead of the rotating roller 31. Both sides about the horizontal gear 36 all slidable mounting have a horizontal pole 37, and horizontal pole 37 is on a parallel with door body 2 and the level setting. One end of the cross bar 37 is fixedly provided with a rack 34 engaged with the cross gear 36, the other end of the cross bar 37 penetrates through the door body 2, a cross connecting groove 38 for inserting the cross bar 37 is formed in the door frame 1, and the other end of the cross bar 37 is inserted into the cross connecting groove 38. The two vertical bars 33 are arranged in a central symmetry manner with the axis of the rotating roller 31 as the rotation axis. Every montant 33 and horizontal pole 37 go up all to overlap and be equipped with a boss 39, and boss 39 is fixed to be set up on door body 2, and montant 33 and horizontal pole 37 homoenergetic slide in boss 39.

Referring to fig. 2 and 3, the door body 2 is also fixedly provided with a labor-saving mechanism 5, the labor-saving mechanism 5 comprises an input gear 51, the input gear 51 is rotatably arranged in the door body 2 and meshed with the vertical gear 32, the axis of the input gear 51 is parallel to the axis of the vertical gear 32, the rotation axis of the input gear 51 is collinear with the axis thereof, and the nominal diameter of the input gear 51 is smaller than that of the vertical gear 32. A hand wheel 52 is fixedly connected to the input gear 51, the hand wheel 52 is positioned at one end of the input gear 51 far away from the transverse gear 36, the axis of the hand wheel 52 is collinear with the axis of the input gear 51, and the diameter of the hand wheel 52 is larger than that of the vertical gear 32. The hand wheel 52 is also sleeved with an anti-slip ring 53, and the axis of the anti-slip ring 53 is collinear with the axis of the input gear 51. The hand wheel 52 is also fixedly provided with a rotating column 54, the circle center of the rotating column 54 is positioned on the outer diameter of the hand wheel 52, and the rotating column 54 is vertical to the hand wheel 52.

Referring to fig. 1 and 2, the door body 2 is further provided with a lubricating mechanism 6, the lubricating mechanism 6 includes an oil dripping pipe 61, the oil dripping pipe 61 is installed in the door body 2 and is perpendicular to the door body 2, one end of the oil dripping pipe 61 is closed and is fixedly connected with the side surface of the door body 2 close to the transverse gear 36, and the other end of the oil dripping pipe 61 penetrates through the side surface of the door body 2 close to the vertical gear 32 and is flush with the side surface. The oil dripping pipe 61 is positioned right above the vertical gear 32, one side of the oil dripping pipe 61 close to the vertical gear 32 is fixedly provided with two oil dripping holes 62 for lubricating oil to drip, one oil dripping hole 62 is positioned right above the transverse gear 36, and the other oil dripping hole is positioned right above the vertical gear 32. A blocking piece 63 is rotatably mounted on the door body 2, the rotation axis of the blocking piece 63 is perpendicular to the door body 2, and the blocking piece 63 blocks one end of the drip pipe 61, which is located in the side surface of the door body 2 close to the vertical gear 32.

The implementation principle of the protective airtight door with the improved locking mechanism is as follows: when the door body 2 needs to be locked, the rotating column 54 is held to rotate the hand wheel 52 anticlockwise, so that the input gear 51 rotates anticlockwise, the rotating roller 31 meshed with the input gear 51 is driven to rotate clockwise, at the moment, the vertical gear 32 and the transverse gear 36 also rotate clockwise simultaneously, the vertical rod 33 and the transverse rod 37 move towards the direction far away from the center of the door body 2, the vertical rod 33 is inserted into the vertical connecting groove 35, and the transverse rod 37 is inserted into the transverse connecting groove 38, so that the door body 2 is locked. When the door body 2 needs to be opened, the hand wheel 52 only needs to be rotated clockwise. The nominal diameter of the input gear 51 is smaller than the nominal diameter of the spur gear 32, so that the operator can rotate the input gear 51 more easily, and the locking efficiency of the locking mechanism 3 is improved. Rust can appear in the use of door body 2, and the lubricated condition that influences opening and closing door body 2 inadequately between the gear, rotatory dog 63 that blocks leaks oil drip pipe 61 this moment, injects lubricating oil into oil drip pipe 61, and lubricating oil flows into respectively on vertical gear 32 and transverse gear 36 from the oil drip hole 62 on oil drip pipe 61, makes locking mechanism 3 obtain the lubrication, further alleviates operation burden, raises the efficiency.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A protective containment door with an improved latching mechanism, comprising a door frame (1), a door body (2) rotatably mounted in the door frame (1), a rotation mechanism (4) for rotating the door body (2) and a latching mechanism (3) for latching the door body (2), characterized in that: the locking mechanism (3) comprises a rotating roller (31), the rotating roller (31) is rotatably installed on the door body (2) and is perpendicular to the door body (2), the rotating roller (31) takes the axis of the rotating roller as a rotating axis, a vertical gear (32) is fixedly installed on the rotating roller (31), and the axis of the vertical gear (32) is collinear with the axis of the rotating roller (31); a vertical rod (33) is vertically arranged on each of the left side and the right side of the vertical gear (32), the vertical rods (33) are parallel to the door body (2), and the two vertical rods (33) are centrosymmetric by taking the rotating roller (31) as a rotating axis; the one end of montant (33) is fixed and is provided with rack (34), rack (34) with vertical gear (32) meshing, the other end of montant (33) runs through door body (2), seted up the confession on door frame (1) montant (33) male vertical connection groove (35).

2. A containment door with an improved latching mechanism as in claim 1, wherein: a transverse gear (36) is fixedly mounted on the rotating roller (31), the axis of the transverse gear (36) is collinear with the axis of the rotating roller (31), and the nominal diameter of the transverse gear (36) is equal to that of the vertical gear (32); a cross rod (37) is horizontally arranged on each of the upper side and the lower side of the transverse gear (36), the cross rods (37) are parallel to the door body (2), and the two cross rods (37) are centrosymmetric by taking the rotating roller (31) as a rotating axis; the one end of horizontal pole (37) is fixed and is provided with rack (34), rack (34) with horizontal gear (36) meshing, the other end of horizontal pole (37) runs through door body (2), still seted up on door frame (1) and supplied horizontal connecting groove (38) that horizontal pole (37) inserted.

3. A containment door with an improved latching mechanism as in claim 2, wherein: horizontal pole (37) with all overlap on montant (33) and be equipped with boss (39), boss (39) with door body (2) fixed connection, horizontal pole (37) with montant (33) all overlap and establish in boss (39).

4. A containment door with an improved latching mechanism as in claim 1, wherein: still install laborsaving mechanism (5) in door body (2), laborsaving mechanism (5) include with input gear (51) of vertical gear (32) meshing, input gear (51) rotatory install in on door body (2), the axial lead of input gear (51) parallel with the axial lead of vertical gear (32), just the axis of rotation of input gear (51) and the axial lead collineation of self, the nominal diameter of input gear (51) is less than the nominal diameter of vertical gear (32).

5. A containment door with an improved latching mechanism as in claim 4, wherein: the input gear (51) is fixedly connected with a hand wheel (52), the axis of the hand wheel (52) is collinear with the axis of the input gear (51), and the diameter of the hand wheel (52) is larger than that of the vertical gear (32).

6. A containment door with an improved latching mechanism as in claim 5, wherein: the anti-slip ring (53) is sleeved on the outer diameter of the hand wheel (52), a rotating column (54) is fixedly mounted on the hand wheel (52), and the rotating column (54) is fixedly mounted on the outer diameter of the hand wheel (52) and is perpendicular to the hand wheel (52).

7. A containment door with an improved latching mechanism as in claim 2, wherein: a lubricating mechanism (6) is further fixedly mounted in the door body (2), the lubricating mechanism (6) comprises an oil dripping pipe (61), the oil dripping pipe (61) is vertically mounted on the door body (2), one end of the oil dripping pipe (61) is closed and is fixedly connected with the side face, close to the transverse gear (36), of the door body (2), and the other end of the oil dripping pipe (61) is coplanar with the side face, close to the vertical gear (32), of the door body (2); the oil dripping pipe (61) is positioned right above the vertical gear (32) and the transverse gear (36), and one side of the oil dripping pipe (61) close to the rotating roller (31) is provided with an oil dripping hole (62).

8. A containment door with an improved latching mechanism as in claim 7, wherein: a blocking piece (63) is rotatably installed on the door body (2), the rotation axis of the blocking piece (63) is perpendicular to the door body (2), and the blocking piece (63) blocks the oil dripping pipe (61).