CN211397185U

CN211397185U - It opens and close people's air defense door to be convenient for installation

Info

Publication number: CN211397185U
Application number: CN201921337478.8U
Authority: CN
Inventors: 章万海; 上官福拉; 傅董捷; 叶帆; 赵万朝; 秦晟豪
Original assignee: Zhejiang Jinzun Civil Air Defense Equipment Co ltd
Current assignee: Zhejiang Jinzun Civil Air Defense Equipment Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-09-01
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a be convenient for installation is opened and close people's air defense door includes door plant and door-hinge, the side of door plant is fixed with and is supported piece and lower support piece, the door-hinge includes the threaded rod that upper and lower symmetry set up, the screw thread opposite direction of two threaded rods, the outer end of two threaded rods all is fixed with square pole, the outer end of two square poles all is fixed with the axostylus axostyle, screw-thread fit has the piece of twisting between two threaded rods, all install pressure bearing on supporting piece and the lower support piece, two pressure bearing are passed respectively to the diaxon pole, install the door lock device who is used for the door plant to pin on the. The utility model discloses structural design is ingenious, reasonable, and frictional force between the people's air defense door that can greatly reduced and the door frame, not only the people's air defense door is opened laborsavingly but also the installation is very convenient, is worth popularizing and applying.

Description

It opens and close people's air defense door to be convenient for installation

Technical Field

The utility model relates to a door, especially a be convenient for installation is opened and close people's air defense door.

Background

The civil air defense door is a door of an entrance and an exit of civil protection engineering, and due to the particularity of the civil air defense door, the civil air defense door is thick in material, so that the civil air defense door is heavy in weight which generally can reach 400kg-600kg, the civil air defense door is not only complex in installation, time-consuming and labor-consuming, but also has the problem that due to the large mass of the civil air defense door, the door shaft area needs to bear all the weight of the civil air defense door, further, the friction force is huge, and the civil air defense door is very hard to open and close.

The invention patent CN 109372370A discloses a steel structure civil air defense door, which adopts the mode that a door shaft is directly arranged on a door frame, thereby causing large friction force, not only being inconvenient to install the civil air defense door, but also being very strenuous to open and close the civil air defense door.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve above-mentioned prior art's shortcoming, provide one kind can be convenient for people's air defense door installation and be convenient for the installation that people's air defense door opened or closed and open and close people's air defense door, the demand of being convenient for people's air defense door installation and opening and close when having satisfied the user and using.

The utility model provides a technical scheme that its technical problem adopted: this kind of be convenient for installation is opened and close people's air defense door, including door plant and door-hinge, the side of door plant is fixed with and props up piece and lower piece, the door-hinge includes the threaded rod that upper and lower symmetry set up, the screw thread opposite direction of two threaded rods, the outer end of two threaded rods all is fixed with the square pole of grafting on the door plant, the outer end of two square poles all is fixed with the axostylus axostyle, screw-thread fit has between two threaded rods and twists the piece, all install pressure bearing on propping up piece and the lower piece, two pressure bearing are passed respectively to the diaxon pole, install the door lock device that is used for the. The two threaded rods with opposite thread directions and the screwing block have the functions of shortening and lengthening the door shaft, so that the door shaft can be conveniently mounted on a door frame; the square rod has the function that the two threaded rods cannot rotate when the screwing block rotates, and the two threaded rods can only be mutually opened or closed when the screwing block rotates; the shaft lever is used for matching the rotating holes, so that the civil air defense door has a rotating shaft; the pressure bearing has the effects that the friction force between the civil air defense door and the door frame is reduced, so that the civil air defense door is opened more easily; the door lock device is used for opening and closing the civil defense door.

Further perfection, both threaded rods are in threaded connection with compression nuts. The compression nut has the function of preventing the two threaded rods from loosening, and the situation that the two threaded rods rotate due to shaking and then the door shaft is shortened and is separated from the door frame is avoided.

The door lock device is further perfected, the door lock device comprises a locking mechanism which is oppositely arranged on the left side and the right side, the locking mechanism comprises a linkage plug-in unit which is oppositely arranged on the upper side and the lower side, the linkage plug-in unit comprises a guide seat which is fixed on the door plate, a bolt is longitudinally inserted on the guide seat, a connecting rod is hinged on the two bolts, the outer ends of the two connecting rods are hinged together, a driving piece is arranged between the two locking mechanisms, the driving piece comprises a shell which is fixed on the door plate, a pair of square inserting rods which are oppositely arranged are inserted in the shell, a stop block is fixed on each square inserting rod, the outer ends of the two inserting rods are respectively hinged with the two connecting rods on the two sides, compression springs which press the stop block and enable the two inserting rods to be close to each other are arranged on the two square inserting rods, a rotating shaft is rotatably connected on the shell, a disc is arranged at the, arc-shaped convex blocks matched with the two arc-shaped grooves are fixed on the two stop blocks respectively, and hand-operated wheels are fixed on the outer sides of the rotating shafts. The door lock device has the effects that the door lock device can open and close the anti-theft door conveniently and efficiently in a labor-saving manner; the operating principle of the door lock device here is: the hand wheel is rotated, the hand wheel drives the rotating shaft to rotate, the rotating shaft drives the disc to rotate, the two bosses on the disc synchronously rotate and press the two stop blocks to open, so that the two square insertion rods are driven to open and move mutually and a compression spring is enabled to compress and store energy, the two square insertion rods can drive the connecting rod to move outwards and drive the bolt to move outwards and be inserted into the jack of the door frame after opening mutually, the anti-man door is locked until the arc-shaped groove on the boss is matched with the arc-shaped bump, and if the anti-man door is to be opened, the hand wheel is only required to be continuously screwed to enable the arc-shaped groove to be separated from the arc-shaped bump and the two stop blocks to be pressed to approach each other by the elasticity of; the guide seat has the advantages that the guide seat can guide the bolt to move longitudinally, so that the uniqueness of the moving direction of the bolt is ensured, the impact strength of the bolt on the transverse force resistance can be improved, and the impact resistance of the civil air defense door is greatly improved.

Further perfect, the outer end of door plant is fixed with the pulling pole. The pulling rod has the effect that force can be applied to the pulling rod, so that the civil air defense door can be opened more conveniently.

Further perfection, the top end of the door plate is fixed with a hanging ring. The function of rings here is that because the people's air defense door weight is big, rings play the effect of being convenient for hoist and transport.

Further perfecting, being provided with the circle groove on the door plant, installing the sealing washer of circle form on the circle groove. The inner ring-shaped groove and the sealing ring have the effects that the civil air defense door has better sealing performance, and also has the buffering effect when the civil air defense door is closed on the door frame, so that the noise is avoided, and the service life of the civil air defense door is prolonged.

The utility model discloses profitable effect is: the utility model has the advantages of ingenious and reasonable structural design, the threaded rods with opposite thread directions and the twisting block can shorten and lengthen the door shaft, thereby facilitating the installation of the door shaft on the door frame, the square rod can ensure that the twisting block can not rotate when rotating, and further ensure that the two threaded rods can only be mutually opened or closed when the twisting block rotates, the shaft rods are used for matching rotating holes, thereby leading the civil air defense door to have rotating shafts, the pressure bearing can greatly reduce the friction between the civil air defense door and the door frame, thereby saving more labor when opening the civil air defense door, the door shaft can be telescopically adjusted by utilizing the door lock device, thereby the door shaft is not required to be arranged at the door frame without being turned on one side, not only greatly reducing the installation difficulty, but also being difficult to cause the door plate to turn on one side, and is safer, and the pressure bearing can greatly reduce the friction between the civil air defense door and the door frame, the people's air defense door can be opened more laborsavingly, and the people's air defense door is worth popularizing and applying.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the locking mechanism of the present invention;

fig. 3 is a flow chart of the working principle of the present invention.

Description of reference numerals: the door comprises a door plate 1, a door shaft 2, a threaded rod 2-1, a square rod 2-2, a shaft rod 2-3, a screwing block 2-4, an upper supporting block 3, a lower supporting block 4, a pressure bearing 5, a door locking device 6, a locking mechanism 6-1, a linkage plug-in piece 6-1a, a bolt 6b-1a, a connecting rod 6c-1a, a driving piece 6-2, a shell 6-2a, a square plug-in rod 6-2b, a stop 6a-2b, an arc-shaped lug 6ab-2b, a compression spring 6-2c, a rotating shaft 6-2d, a disc 6-2e, a boss 6a-2e, an arc-shaped groove 6ab-2e, a hand wheel 6-3, a compression nut 7, a pulling rod 8, a lifting ring 9, a sealing ring 10 and a door frame 11.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

with reference to the accompanying drawings: the civil air defense door convenient to install and open and close comprises a door plate 1 and a door shaft 2, an upper support block 3 and a lower support block 4 are fixed at the side end of the door plate 1, the door shaft 2 comprises threaded rods 2-1 which are symmetrically arranged up and down, the thread directions of the two threaded rods 2-1 are opposite, square rods 2-2 inserted on the door plate 1 are fixed at the outer ends of the two threaded rods 2-1, shaft levers 2-3 are fixed at the outer ends of the two square rods 2-2, a screwing block 2-4 is in threaded fit between the two threaded rods 2-1, pressure bearings 5 are installed on the upper support block 3 and the lower support block 4, the two shaft levers 2-3 respectively penetrate through the two pressure bearings 5, and a door lock device 6 used for locking the door plate 1 is installed on the door plate 1.

The two threaded rods 2-1 are both connected with a compression nut 7 through threads.

The door lock device 6 comprises a locking mechanism 6-1 which is oppositely arranged at the left and the right, the locking mechanism 6-1 comprises a linkage plug-in 6-1a which is oppositely arranged at the upper and the lower parts, the linkage plug-in 6-1a comprises a guide seat 6a-1a which is fixed on the door panel 1, a bolt 6b-1a is longitudinally inserted on the guide seat 6a-1a, the two bolts 6b-1a are both hinged with a connecting rod 6c-1a, the outer ends of the two connecting rods 6c-1a are hinged together, a driving part 6-2 is arranged between the two locking mechanisms 6-1, the driving part 6-2 comprises a shell 6-2a which is fixed on the door panel 1, a pair of square plug-in rods 6-2b which are oppositely arranged are inserted in the shell 6-2a, and a stop block 6a-2b is fixed on the two square plug-in rods 6-2b, the outer ends of the two insert rods 6-2b are respectively hinged with the two connecting rods 6c-1a at two sides, compression springs 6-2c which press the stop blocks 6a-2b and enable the two insert rods 6-2b to be close to each other are arranged on the two square insert rods 6-2b, a rotating shaft 6-2d is connected to the shell 1 in a rotating mode, a disc 6-2e is arranged at the upper end of the rotating shaft 6-2d, a pair of symmetrically arranged bosses 6a-2e are fixed on the outer contour surface of the disc 6-2e, circular arc-shaped grooves 6ab-2e are formed in the outer ends of the two bosses 6a-2e, circular arc-shaped convex blocks 6ab-2b which are respectively matched with the two circular arc-shaped grooves 6ab-2e are fixed to the two stop blocks 6a-2b, and hand-cranking wheels 6-3 are fixed to the outer sides of the rotating shaft 6-2 d.

The outer end of the door panel 1 is fixed with a pulling rod 8.

The top end of the door panel 1 is fixed with a hanging ring 9.

The door panel 1 is provided with a ring-shaped groove 1-1, and a ring-shaped sealing ring 10 is arranged on the ring-shaped groove 1-1.

The utility model discloses a theory of operation: when the civil air defense door needs to be installed, only the screwing blocks 2-4 on the door shaft 2 need to be screwed, so that the two threaded rods 2-1 are mutually drawn together, the two shaft rods 2-3 are mutually drawn together, the length of the door shaft 2 is shortened, the door plate 1 is fallen by using a crane, the door plate is manually transversely pushed to a rotary hole of a door frame, the screwing blocks 2-4 on the door shaft 2 are screwed, the two threaded rods 2-1 with opposite thread directions are mutually opened, the two shaft rods 2-3 are mutually opened and are inserted into the rotary hole of the door frame 11, and finally, the two threaded rods 2-1 are pressed and loosened by using the two compression nuts 7, so that the installation difficulty of the civil air defense door can be greatly reduced, the civil air defense door does not need to be installed in an inclined side direction, the safety is higher, and the civil air defense door is worthy of popularization and application. The operating principle of the door lock device here is: rotating the hand-operated wheel 6-3, the hand-operated wheel 6-3 drives the rotating shaft 6-2d to rotate, the rotating shaft 6-2d drives the disc 6-2e to rotate, the two bosses 6a-2e on the disc 6-2e synchronously rotate and press the two stoppers 6a-2b to open mutually, so that the two square inserting rods 6-2b are driven to open mutually and move mutually and the compression spring 6-2c is enabled to compress and store energy, the two square inserting rods 6-2b open mutually to drive the connecting rod 6c-1a to move outwards and drive the bolt 6b-1a to move outwards and be inserted into the insertion hole of the door frame 11, the anti-man door is locked until the arc-shaped grooves 6ab-2e on the bosses 6a-2e are matched with the arc-shaped bumps 6ab-2b, and if the anti-man door is to be opened, the hand-operated wheel 6-3 is only required to screw the arc-shaped grooves 6ab-2e from the arc-shaped 2b and the two stoppers 6a-2b are pressed to close each other by the elasticity of the compression springs 6-2c (as shown in fig. 3).

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims; in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; in the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the two elements may be connected mechanically or electrically, directly or indirectly through an intermediate medium, or be connected internally, and specific meanings of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Claims

1. The utility model provides a be convenient for installation is opened and close people's air defense door, includes door plant (1) and door-hinge (2), characterized by: the door comprises a door plate (1), and is characterized in that an upper supporting block (3) and a lower supporting block (4) are fixed at the side end of the door plate (1), a door shaft (2) comprises threaded rods (2-1) which are symmetrically arranged up and down, the thread directions of the two threaded rods (2-1) are opposite, square rods (2-2) inserted on the door plate (1) are fixed at the outer ends of the two threaded rods (2-1), shaft rods (2-3) are fixed at the outer ends of the two square rods (2-2), a screwing block (2-4) is in threaded fit between the two threaded rods (2-1), pressure bearings (5) are installed on the upper supporting block (3) and the lower supporting block (4), the two shaft rods (2-3) respectively penetrate through the two pressure bearings (5), and a door lock device (6) used for locking the door plate (1) is installed on the door plate (.

2. The civil air defense door convenient to install, open and close according to claim 1, characterized in that: the two threaded rods (2-1) are both connected with a compression nut (7) in a threaded manner.

3. The civil air defense door convenient to install, open and close according to claim 1, characterized in that: the door lock device (6) comprises locking mechanisms (6-1) which are oppositely arranged at the left and right, the locking mechanisms (6-1) comprise linkage plug-ins (6-1 a) which are oppositely arranged at the upper and lower parts, the linkage plug-ins (6-1 a) comprise guide seats (6 a-1 a) fixed on the door panel (1), plugs (6 b-1 a) are longitudinally inserted into the guide seats (6 a-1 a), connecting rods (6 c-1 a) are hinged to the two plugs (6 b-1 a), the outer ends of the two connecting rods (6 c-1 a) are hinged together, a driving piece (6-2) is arranged between the two locking mechanisms (6-1), the driving piece (6-2) comprises a shell (6-2 a) fixed on the door panel (1), a pair of square plug-rods (6-2 b) which are oppositely arranged is inserted into the shell (6-2 a), the two square inserting rods (6-2 b) are respectively fixed with a stop block (6 a-2 b), the outer ends of the two inserting rods (6-2 b) are respectively hinged with the two connecting rods (6 c-1 a) at two sides, the two square inserting rods (6-2 b) are respectively provided with a compression spring (6-2 c) for pressing the stop block (6 a-2 b) and enabling the two inserting rods (6-2 b) to be close to each other, the shell (6-2 a) is rotatably connected with a rotating shaft (6-2 d), the upper end of the rotating shaft (6-2 d) is provided with a disc (6-2 e), the outer contour surface of the disc (6-2 e) is fixedly provided with a pair of symmetrically arranged bosses (6 a-2 e), the outer ends of the two bosses (6 a-2 e) are respectively provided with arc-shaped grooves (6 ab-2 e), and the two stop blocks (6 a-2 b) are respectively fixedly provided with arc-shaped grooves (6 ab-2 e) The outer side of the rotating shaft (6-2 d) is fixed with a hand-operated wheel (6-3).

4. The civil air defense door convenient to install, open and close according to claim 1, characterized in that: the outer end of the door panel (1) is fixed with a pulling rod (8).

5. The civil air defense door convenient to install, open and close according to claim 1, characterized in that: and a hanging ring (9) is fixed at the top end of the door panel (1).

6. The civil air defense door convenient to install, open and close according to claim 1, characterized in that: the door plate (1) is provided with a ring-shaped groove (1-1), and a sealing ring (10) is arranged on the ring-shaped groove (1-1).